Johnson Controls YVAHP0721CW Series Service Manual Download Page 257 | Manualshive

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SM-16007

TROUBLESHOOTING

Refer to next page.

Restart operation.

No

Smaller than
activation current.

Yes (Transistor Module is normal.)

Is discharge pressure
high?

Check pressure and
refrigeration cycle.

Is compressor current
larger than
activation current? *1)

Check inverter PCB
connection. *3)

Normal

"2"

"4"

Check for clogging of
heat exchanger.

Check fan motor.

Replace diode module.
*2)

Abnormal

Abnormal

Connect it correctly. *3)

Inverter PCB is faulty.
Replace it. *3)

Which is cause of
stoppage "

" of

troubleshooting by
7-segments display,
"2" or "4"?

Check diode module. *2)

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Summary of Contents for YVAHP0721CW Series

Page 1: ...TER DRIVEN MULTI SPLIT SYSTEM HEAT PUMP AIR CONDITIONERS Service Manual Outdoor Units Low Ambient VRF Heat Pump H Y VAHP072 3 4 1CW H Y VAHP096 3 4 1CW H Y VAHP144 3 4 1CW H Y VAHP168 3 4 1CW H Y VAHP192 3 4 1CW H Y VAHP288 3 4 1CW ...

Page 2: ......

Page 3: ...rten the life of the compressor Important Notice Ɣ Johnson Controls Inc pursues a policy of continuing improvement in design and performance in its products As such Johnson Controls Inc reserves the right to make changes at any time without prior notice Ɣ Johnson Controls Inc cannot anticipate every possible circumstance that might involve a potential hazard Ɣ This heat pump air conditioning unit ...

Page 4: ...hase order 3 The standard utilization for this unit is explained in these instructions Use of this equipment for purposes other than what it designed for is not recommended 4 Please contact your local agent or contractor as any issues involving installation performance or PDLQWHQDQFH DULVH LDELOLW GRHV QRW FRYHU GHIHFWV RULJLQDWLQJ IURP XQDXWKRUL HG PRGL FDWLRQV performed by a customer without the...

Page 5: ...mage or injury that might occur in an earthquake if the unit is not installed correctly injuries may occur due to a falling unit Ɣ Use appropriate Personal Protective Equipment PPE such as gloves and protective goggles and where appropriate have a gas mask nearby Also use electrical protection equipment and tools suited IRU HOHFWULFDO RSHUDWLRQ SXUSRVHV HHS D TXHQFKLQJ FORWK DQG D UH H WLQJXLVKHU ...

Page 6: ...ZKLFK PD FDXVH OHDNV Ɣ Be sure the drain hose discharges water properly If connected incorrectly it may cause leaks Ɣ Do not install the unit in any place where oil can seep onto the units such as table or seating areas in restaurants and so forth For these locations or social venues use specialized units with oil resistant features built into them In addition use a specialized ceiling fan designe...

Page 7: ...ULJHUDQWV WKDW KDYH EHHQ DSSURYHG IRU XVH LQ WKH XQLW V LQWHQGHG KRPH FRXQWU or market Johnson Controls distributors similarly are only authorized to provide refrigerants that have been approved for use in the countries or markets they serve The refrigerant used in this unit LV LGHQWL HG RQ WKH XQLW V IDFHSODWH DQG RU LQ WKH DVVRFLDWHG PDQXDOV Q DGGLWLRQV RI UHIULJHUDQW LQWR WKLV XQLW PXVW FRPSO Z...

Page 8: ... 7DNH WKH IROORZLQJ SUHFDXWLRQV WR UHGXFH WKH ULVN RI HOHFWULF VKRFN UH RU explosion resulting in serious injury or death Ɣ Highly dangerous electrical voltages are used in this system Carefully refer to the wiring diagram and these instructions when wiring Improper connections and inadequate grounding can cause serious injury or death Ɣ Perform all electrical work in strict accordance with this i...

Page 9: ...IRUH WXUQLQJ RII WKH PDLQ SRZHU switch Otherwise water leakage or electrical breakdown may result Disconnect the power source completely before attempting any maintenance for electrical parts Check to ensure that no residual voltage is present after disconnecting the power source Ɣ Do not clean with or pour water into the controller as it could cause electric shock and or damage the unit Do not us...

Page 10: ...viii SM 16007 ...

Page 11: ...oards PCBs 3 6 3 1 3 Checking Rotary Switch and DIP Switch Settings 3 10 3 1 4 Checking Wired Controller 3 13 3 1 5 Checking Using 7 Segment Display 3 20 3 1 6 Checking Alarm Code History 3 26 3 1 7 Emergency Operation 3 33 3 2 Troubleshooting Procedures 3 38 3 2 1 Alarm Code Table 3 38 3 2 2 Troubleshooting Using Alarm Codes 3 39 3 2 3 Abnormalities of Devices 3 106 3 3 Procedures for Checking 3 ...

Page 12: ... Oil 4 24 4 1 14 Removing Coils 4 28 4 1 15 Removing Stop Valve 4 34 4 1 16 Removing High Pressure Switch High Pressure Sensor Low Pressure Sensor and Thermistor 4 35 4 1 17 Removing Thermistor for Liquid Pipe 4 37 4 1 18 Removing Thermistor for Ambient Temperature 4 38 4 1 19 Removing Other Electrical Components 4 39 4 1 20 Removing Transformer 4 47 4 2 Main Parts 4 48 4 2 1 for Outdoor Unit 4 48...

Page 13: ...door Unit Capacity Control 5 27 5 4 3 Rotation Control Function 5 28 5 4 4 Intermittent Control Function 5 28 5 4 5 Power Saving Schedule Function 5 29 5 4 6 Operation Noise Reduction Schedule Function 5 29 5 4 7 Power Consumption Display Function 5 29 6 Field Work Instructions 6 1 6 1 Caution for Refrigerant Leakage 6 2 6 2 Modifications of Charging Refrigerants Other than Those Specified by John...

Page 14: ......

Page 15: ...SM 16007 1 1 INSTALLATION 1 Installation ...

Page 16: ... 1 23 5 3 2 Condensate Treatment 1 25 6 Refrigerant Piping Work 1 26 6 1 Piping Materials 1 27 6 2 Piping Connection Work 1 30 6 2 1 Stop Valve 1 30 6 2 2 Piping Connection Method 1 31 6 3 Piping Work between Outdoor Units 1 34 6 4 Piping Size between Outdoor Units 1 37 6 5 Piping Size and Multi Kit Selection 1 39 6 6 Multi Kit Connection 1 45 7 Electrical Wiring 1 46 7 1 General Check 1 47 7 2 El...

Page 17: ...mage or injury that might occur in an earthquake if the unit is not installed correctly injuries may occur due to a falling unit Ɣ Use appropriate Personal Protective Equipment PPE such as gloves and protective goggles and where appropriate have a gas mask nearby Also use electrical protection equipment and tools suited IRU HOHFWULFDO RSHUDWLRQ SXUSRVHV HHS D TXHQFKLQJ FORWK DQG D UH H WLQJXLVKHU ...

Page 18: ...EDFN ZKLFK PD FDXVH OHDNV Ɣ Be sure the drain hose discharges water properly If connected incorrectly it may cause leaks Ɣ Do not install the unit in any place where oil can seep onto the units such as table or seating areas in restaurants and so forth For these locations or social venues use specialized units with oil resistant features built into them In addition use a specialized ceiling fan de...

Page 19: ...rants that have been approved for use in the unit s intended home country or market Johnson Controls distributors similarly are only authorized to provide refrigerants that have been approved for use in the countries or markets they serve The refrigerant used in this unit LV LGHQWL HG RQ WKH XQLW V IDFHSODWH DQG RU LQ WKH DVVRFLDWHG PDQXDOV Q DGGLWLRQV RI UHIULJHUDQW LQWR this unit must comply wit...

Page 20: ...lectrical Precautions 7DNH WKH IROORZLQJ SUHFDXWLRQV WR UHGXFH WKH ULVN RI HOHFWULF VKRFN UH RU explosion resulting in serious injury or death Ɣ Highly dangerous electrical voltages are used in this system Carefully refer to the wiring diagram and these instructions when wiring Improper connections and inadequate grounding can cause serious injury or death Ɣ Perform all electrical work in strict a...

Page 21: ...g any maintenance for electrical parts Check to ensure that no residual voltage is present after disconnecting the power source Ɣ Do not clean with or pour water into the controller as it could cause electric shock and or damage the unit Do not use strong detergent such as a solvent Clean with a soft cloth Ɣ Check that the ground wire is securely connected Do not connect ground wiring to gas pipin...

Page 22: ...th the unit please contact your distributor NOTE inch mm Accessory 72 Type 96 Type Remarks Cable Clamp For Fixing Power Supply Wiring and PVC Tube x 1 x 1 Cable Band 5 5 Screw One for Fixing Cord Clamp Tow for Spare 3 3 PVC Tube 2 2 ID 1 2 12 Rubber Bushing For Power Supply Wiring Bottom Base 1 1 OD 2 5 16 58 For Communication Cable Piping Cover 2 2 OD 1 1 2 38 3 Before Installation ...

Page 23: ...utter 17 Gas Leak Detector 3 Vacuum Pump 10 Brazing Kit 18 Level 4 Refrigerant Gas Hose 11 Hexagon Wrench 19 Crimper for Solderless Terminals 5 Megohmmeter 12 Wrench 20 Hoist for Indoor Unit 6 Copper Pipe Bender 13 Scale 21 Ammeter 7 Manual Water Pump for Indoor Unit 14 Charging Cylinder 22 Voltage Meter 15 Gauge Manifold 3 2 Necessary Tools and Instrument List for Installation ...

Page 24: ...ainst Contamin Blow nitrogen during brazing Prevention from Oxidation during Brazing Lubrication Oil for Flare Surface O Use a synthetic oil which is equivalent to the oil used in the refrigeration cycle Synthetic oil absorbs moisture quickly Applying Oil to the Flared Surface Vacuum Drying O Refrigerant Charge Refrigerant Cylinder O Check refrigerant cylinder color Liquid refrigerant charging is ...

Page 25: ...2 26 5 8 15 88 1 5 32 29 3 4 19 05 1 13 32 36 NOTE Do not use a thin joint other than the ones shown in the table at the left NOTES Do not use the pipe that allowable pressure is less than 601 psi 4 15MPa The reference value of the refrigerant piping thickness is indicated in the table at left Do not use the pipe which is considerably different from the reference value B Flare Nut x Piping Thickne...

Page 26: ...9 32 7 8 D 12 15 32 D 5 8 5 16 8 0 002 0 018 0 05 0 45 12 D 16 5 8 D 31 32 13 32 10 16 D 25 31 32 D 1 3 8 15 32 12 0 002 0 022 0 05 0 55 25 D 35 1 3 8 D 1 25 32 9 16 14 35 D 45 x Processing at Brazing Connection To prevent gas leakage at the brazing connection refer to the table for the insertion depth and the gap for joint pipe B D A ...

Page 27: ...its Capacity MBH 144 168 192 288 Model H Y VAHP144B31CW H Y VAHP168B31CW H Y VAHP192B31CW H Y VAHP288B31CW Combination H Y VAHP072B31CW H Y VAHP096B31CW H Y VAHP096B31CW H Y VAHP096B31CW H Y VAHP072B31CW H Y VAHP072B31CW H Y VAHP096B31CW H Y VAHP096B31CW H Y VAHP096B31CW 460V Base Unit Capacity MBH 72 96 Model H Y VAHP072B41CW H Y VAHP096B41CW Combination of Base Units Capacity MBH 144 168 192 288...

Page 28: ... the outdoor air temperature is lower than 14o F 10o C select the combination of indoor units and outdoor unit as the total capacity of indoors not to exceed the capacity of outdoor unit Table 3 2 System Combination NOTES 1 The connectable indoor unit capacity ratio can be calculated as follows Connectable Indoor Unit Capacity Ratio Total Indoor Unit Capacity Total Outdoor Unit Capacity 2 For the ...

Page 29: ...Direction Indoor Unit Side Indoor Unit Side Piping Connection Kit 1 Piping Connection Kit 1 Piping Connection Kit 2 Piping Connection Kit 2 Maintain a straight line distance of 19 11 16 inch 500mm or more for piping after the piping connection kit Outdoor Unit A Outdoor Unit B Outdoor Unit C Outdoor Unit C Outdoor Unit B Outdoor Unit A NOTICE I WKH DUUDQJHPHQW IRU RXWGRRU XQLWV LV LQFRUUHFW LW PD ...

Page 30: ... GH FDQ DFFXPXODWH VXFK DV QHDU D KRW tub or hot spring Ɠ KHUH GHQVH VDOW ODGHQ DLUÀRZ LV KHDY VXFK DV LQ FRDVWDO UHJLRQV Ɠ Where the air quality is of high acidity Ɠ Where harmful gases can be generated from decomposition Ɣ During heating or defrosting operation drain water is discharged Provide adequate drainage around the foundation If installing the unit on a roof or a balcony provide the addi...

Page 31: ... necessary clearance indicated in the diagram above For walls on more than two sides secure adequate clearance for service access space as shown in the following illustrations If the space between the unit and an obstacle above the unit is less than 59 1 16 inch 1 500mm or the space above the unit is closed set up the duct at the air outlet side in order to prevent short circuit Make sure there is...

Page 32: ...8 1 Side Space Front Side Front Side 1 If the snow protection hood optional part or the air outlet duct field supplied is adopted a minimum spacial clearance of 1 15 16 inch is required Min 11 13 16 h1 2 Unit inch Min 3 8 1 Front Side Top View Min 19 11 16 h2 2 No limit for side wall height Min 11 13 16 Min 3 8 1 Front Side Top View No limit for side wall height Min 11 13 16 Min 15 3 4 Min 7 7 8 F...

Page 33: ...3 3 ft 1m spacial distance between each unit group 3 Walls on Four Sides Single Installation Installation in the Same Direction Rear to Rear Installation Multiple Serial Installation One Group Max Six Outdoor Units Min 3 3 ft Top View Front Side No limit for side wall height No limit for side wall height Min 7 7 8 Min 7 7 8 Min 19 11 16 h2 2 Min 7 7 8 Min 7 7 8 Front Side Min 35 7 16 Min 31 1 2 2 ...

Page 34: ...t rough handling Secure with two sling belts when hoisting the outdoor unit with a crane Ɣ 7UDQVSRUWDWLRQ DQG DQGLQJ LUH To protect the unit do not remove any packing R QRW VWDFN RU SODFH DQ PDWHULDO on top of the product Apply banding wire to both sides of the packaged unit as shown at right Sling Belt Wooden Skid Base INCORRECT Sling Belt Square Hole Apply sling belts through square holes Sling ...

Page 35: ...ng Belt Sling Belt Slots Slots Sling Belt Position INCORRECT CORRECT Angle of sling belt is more than 60o Min 6 6 ft 2 0m Top corners Attach four 5 8 inch 15mm thick corrugated corner padding as shown Bottom corners Attach four 5 8 inch 15mm thick cardboard padding on both sides at this point for protection Do not apply any force to surface Both Sides Do not remove corrugated paper frame and plast...

Page 36: ... forks into the slots at the unit side panels The unit can sustain damage Do not apply excessive force to the squared slots with forks or other materials The bottom of the unit can become deformed Do not push the bottom base with forks Do not use a roller XULQJ WUDQVSRUWDWLRQ GR QRW DOORZ WKH EDFNUHVW RI WKH IRUNOLIW WR FRPH LQWR FRQWDFW ZLWK WKH XQLW Sudden forward movement on the forklift can ca...

Page 37: ...upright in the face of strong winds and seismic events Provide a concrete foundation as shown below Do not use a concrete foundation such as seen here The footing for the outdoor unit can become deformed Width Depth INCORRECT CORRECT Front Side of Unit Foot Front Side of Unit Foot Foundation Foundation Right Side and Left Side Front Side and Rear Side Details of Installing Anchor Bolt Place the ed...

Page 38: ...ts Refer to Figure 5 3 for the location of holes for anchor bolts Figure 5 3 Positions of Anchor Bolts Unit inch 5 3 8 37 5 16 5 3 8 28 11 16 1 9 16 1 4 1 1 2 x 9 16 Long Hole Hole for Anchor Bolt M12 Pitch for Anchor Bolts Pitch for Anchor Bolts 18 11 16 Min 3 1 8 Min 3 1 8 Vibration Proof Mat 3 portions of each front and rear ...

Page 39: ...may drain slightly from screw holes Provide a second condensation drainage pan under the outdoor unit as necessary Name Model Drain Adaptor DBS TP10A Component Formation of Drain Adaptor Model Parts Name Material Color Qty Application DBS TP10A Drain Adaptor PP Black 2 Connecting for Drain Piping Drain Cap PP Black 2 Cover for Drain Hole Rubber Cap CR Black 4 Sealing for Adaptor and Cap Unit inch ...

Page 40: ... piping may rupture due to an excessive refrigerant pressure Pay close attention to the piping thickness when using copper refrigerant piping The thickness of copper refrigerant piping differs depending on its material x KHFN WR HQVXUH WKDW QR SUHVVXUH H LVWV LQVLGH WKH VWRS YDOYH EHIRUH UHPRYLQJ WKH ÀDQJH x Ensure that the corresponding pipe connections for the liquid and gas piping are properly ...

Page 41: ...G DQWLR LGDQW ZKLFK FDQ FRUURGH SLSHV DQG GHJUDGH WKH UHIULJHUDQW RLO 8VH D W SH RI ÀX ZLWK D ORZ FKORULQH FRQFHQWUDWLRQ 5HPRYH DOO ÀX FRPSOHWHO DIWHU FRPSOHWLQJ EUD LQJ ZRUN NOTICE To avoid oxidation and scaling perform brazing at the appropriate temperature NOTES 1 Make sure to use nitrogen Nitrogen gas pressure shall be 2 9 psi 0 02 MPa or less DO NOT use the following gases Oxygen 7KLV LV ÀDPP...

Page 42: ...9 61 N m 5 8 inch 15 88 mm 50 2 60 5 ft lbs 68 82 N m 3 4 inch 19 05 mm 73 8 88 5 ft lbs 100 120 N m NOTE As for the tightening torque for liquid stop valve according to Section 6 2 1 Stop Valve Liquid Valve of the tightening torque table 4 When the temperature and humidity inside the ceiling exceed 80o F 27o C RH80 apply additional insulation of approximately 3 8 inch 10mm in thickness to the acc...

Page 43: ...ng can occur NOTE Gas Piping Installing Part for Piping Liquid Piping NOTICE When assembling piping onsite with hidden elbow or socket joints provide a service access doorway to facilitate close up examination of interconnecting components Ɣ DXWLRQ IRU QVWDOOLQJ DQG 6HFXULQJ 3LSLQJ Table 6 1 Piping Size of Outdoor Unit inch mm Outdoor Unit Capacity MBH Gas Liquid 72 96 7 8 22 2 3 8 9 52 144 192 1 ...

Page 44: ...side the piping 3 Cut the end of the closing pipe and ensure that no residual gas exists inside the gas piping 5HPRYH WKH FORVLQJ SLSH IURP WKH EUD LQJ SRUWLRQ ZLWK D WRUFK H FDUHIXO WKDW WKH ÀDPH GRHVQ W EXUQ the stop valve Ɣ 5HPRYH JDV LQVLGH WKH FORVLQJ SLSH EHIRUH WKH EUD LQJ ZRUN LV SHUIRUPHG I WKH EUD LQJ OOHU PHWDO PHOWV ZLWK UHVLGXDO JDV LQVLGH WKH SLSLQJ ZLOO H SORGH DQG LQMXULHV FDQ resu...

Page 45: ...cted to the same refrigerant system Ɣ LUPO VHFXUH WKH SLSLQJ LQ RUGHU WR DYRLG YLEUDWLRQ DQG H FHVVLYH force exerted on the valve 2 Follow the installation procedures in Section 6 2 1 3 Connect the piping in accordance with Figures 6 1 and 6 2 on the following page 4 Seal the gap between the bottom base or front piping cover and pipes with the insulation 1 Piping can be installed in three directio...

Page 46: ...Connection 6 11 16 170 Refrigerant Liquid Piping Connection 13 3 8 340 Refrigerant Liquid Piping Connection 8 1 16 205 Refrigerant Gas Piping Connection φ7 8 22 2 Refrigerant Gas Piping Connection φ3 8 9 52 Refrigerant Liquid Piping Connection Konckout Square Hole for Piping Cover 3 7 16 88 5 11 16 145 8 1 16 205 3 3 8 85 3 1 4 82 9 13 16 250 5 1 8 130 4 1 4 108 5 3 16 132 4 5 16 110 7 1 2 190 2 9...

Page 47: ...H 3LSLQJ RQQHFWLRQ NOTES QVXUH WKDW WKH FORVLQJ SLSH RI WKH JDV VWRS YDOYH LV UHPRYHG UVW 5HIHU WR LJXUH DERYH IRU WKH ÀDULQJ ZRUN Flaring Stop Valve Gas Stop Valve Liquid Liquid Pipe Field Supplied Gas Pipe Field Supplied 90o Elbow A Field Supplied ...

Page 48: ...aximum clearance of 11 13 16 inch 300mm between the piping connection kit and the bottom of the outdoor unit Also install an oil trap minimum 7 7 8 inch 200mm between the piping connection kit and the outdoor unit 6 3 Piping Work between Outdoor Units Outdoor Unit B Outdoor Unit A Outdoor Unit C Piping Connection Kit 1 Piping Connection Kit 2 L L C A B L Indoor Unit Side Outdoor Unit B Outdoor Uni...

Page 49: ...hown LQ WKH JXUH 5 For servicing if the pipe is installed in front of the outdoor unit make sure minimum clearance of 19 11 16 inch 500mm between the outdoor unit and piping connection kits When the compressor is replaced minimum clearance of 19 11 16 inch 500mm is required The refrigerant system may be damaged if the slope of the piping connection kit exceeds 15o NOTICE Less than 6 6 ft Less than...

Page 50: ...uid Accessory Pipe L Shape Accessory Pipe L Shape Accessory Pipe L Shape Accessory Pipe L Shape Liquid Piping Field Supplied Liquid Piping Field Supplied Liquid Piping Field Supplied Gas Piping Field Supplied Gas Piping Field Supplied Gas Piping Field Supplied Foundation for Outdoor Unit Accessory Pipe Z Shape Accessory Pipe Z Shape Piping Connection Kit 1 Liquid Piping Connection Kit 1 Gas Base F...

Page 51: ...15 88 5 8 15 88 5 8 15 88 b Gas 7 8 22 2 7 8 22 2 7 8 22 2 Liquid 3 8 9 52 3 8 9 52 3 8 9 52 c Gas 7 8 22 2 7 8 22 2 7 8 22 2 Liquid 3 8 9 52 3 8 9 52 3 8 9 52 Install the outdoor unit and piping connections in accordance to whatever is applicable to your situation Refer to the table for the outdoor unit model the piping connection kit model and the piping diameter Base Unit Two Units Combination ...

Page 52: ...9 52 Three Units Combination Indoor Unit on Left Side Indoor Unit on Right Side Install the outdoor unit and piping connections in accordance to whatever is applicable to your situation Refer to the table for the outdoor unit model the piping connection kit model and the piping diameter Outdoor Unit A To Indoor Units Outdoor Unit B Outdoor Unit C Piping Connection Kit 1 Piping Connection Kit 2 a c...

Page 53: ...der Branches Model 36 60 4 MH NP224A 36 72 8 MH NP288A Line Branch Header Branch C Line Branch after First Branch Total Indoor Unit Capacity MBH Model 86 MW NP282A2 87 125 MW NP452A2 126 185 MW NP692A2 186 MW NP902A2 NOTE If C Line Branch after First Branch is larger than B First Branch use the same model as B First Branch Multi Kit Optional Parts 1 1 4 4 5 5 5 5 4 5 5 1 3 2 D C C B A Maintain a s...

Page 54: ...H UHGXFHU HOG supplied NOTE If the size of 4 Pipe after First Branch is larger than the size of 3 Main Pipe adjust the size of 4 Pipe after First Branch to the same size as 3 Main Pipe 5 Diameter of Pipe between Multi Kit and Indoor Unit Indoor Unit Capacity MBH Gas Liquid 6 15 1 2 12 7 1 4 6 35 1 18 48 5 8 15 88 3 8 9 52 72 3 4 19 05 3 8 9 52 96 7 8 22 2 3 8 9 52 1 When liquid piping length is lo...

Page 55: ... e f g h Maximum Piping Length Ex1 a c The actual piping length between the stop valve of the outdoor unit or the piping connection kit1 and the terminal indoor unit Ex2 f h Piping Length The actual length of pipe that takes no account for equivalent lengths for pressure drops of elbows Equivalent Piping Length The combination of the straight pipe length plus the equivalent length of elbows and ot...

Page 56: ...ng details 2 The piping length between outdoor units should be La Lb Lc 32 8 ft 10m If the piping length is incorrect there may be a failure of outdoor units caused by a refrigerant back up 3 Maintain a straight line distance of 19 11 16 inch 500mm or more for piping after the piping connection kit 4 The condition of refrigerant piping installation is different depending on the connected number of...

Page 57: ...h j b d 131 2 ft 40m Example 2 Installation without Main Piping Branch 7 3LSLQJ OHQJWK IURP WKH 0XOWL LW DW WKH UVW EUDQFK WR WKH WHUPLQDO LQGRRU XQLW LV ZLWKLQ IW 90m 1 If the pipe length L2 is over 131 2 ft 40m the size of gas and liquid pipes b d and f should be selected according to Table 4 below Diameter of Pipe after First Branch If the size of a is smaller than the size of b after selecting...

Page 58: ...rmance and operating limit in overload operation 2 For the system under which all the indoor units are not supposed to operate simultaneously the total indoor unit capacity is available 100 or more against the outdoor unit capacity Refer to Table 3 2 System Combination for detail 3 When operating the outdoor unit in cold area with temperatures of 14o F 10o C or under the high heating load conditio...

Page 59: ...ipe Branch Connection Branch Pipe Branch Pipe Straight Length Min 1 6 ft Main Pipe Branch Connection Branch Pipe Branch Pipe Main Pipe Branch Connection Branch Pipe Branch Pipe Bending Radius Min 1 6 ft CORRECT CORRECT CORRECT INCORRECT Upper Side Upper Side Upper Side Upper Side Piping Form from Multi Kit to Indoor Unit Outdoor Unit Outdoor Unit Multi Kit Ex Recommended To prevent pipe damage use...

Page 60: ...N m M10 13 3 to 17 0 ft lbs 18 0 to 23 0 N m Ɣ 6HW 6 RQ WKH 3 DFFRUGLQJ WR HDFK SRZHU VXSSO VKRZQ LQ WKH JXUH EHORZ Ɣ 8VH WKH VSHFL HG FDEOHV IRU ZLULQJ EHWZHHQ WKH RXWGRRU XQLW DQG LQGRRU XQLWV 6HOHFWLQJ LQFRUUHFW FDEOHV ZLOO FDXVH DQ HOHFWULF VKRFN RU D UH RPPXQLFDWLRQ FDEOLQJ VKDOO EH D PLQLPXP RI AWG18 0 82mm2 2 Conductor Stranded Copper Shielded cable must be considered for applications and r...

Page 61: ...ommunication errors When shielded cabling is applied proper bonding and termination of the cable shield is required as per Johnson Controls guidelines Plenum and riser ratings for communication cables must be considered per application and local code requirements x In an instance where the power source for the packaged air conditioner is supplied from the same power transformer as the device with ...

Page 62: ... B Outdoor Unit Power Source AC 3 208 230V 60Hz AC 3 460V 60Hz 1 2 1 2 1 3 3 3 4 6 5 5 6 5 7 8 8 7 7 7 4 5 4 Indoor Unit Side S GFCI Indoor Unit Power Source AC 1 208 230V 60Hz Pull Box Pull Box GFCI Ground Fault Circuit Interrupter S Main Switch and Fuse 2 Power Supply Wiring O U Ground Wiring O U Communication Cable O U I U Communication Cable O U O U 8 Power Supply Wiring I U Ground Wiring I U ...

Page 63: ...ling shall be a minimum of AWG18 0 82mm2 2 Conductor Stranded Copper Shielded cable must be considered for applications and routing in areas of high EMI and other sources of potentially excessive electrical noise to reduce the potential for communication errors When shielded cabling is applied proper bonding and termination of the cable shield is required as per Johnson Controls guidelines Plenum ...

Page 64: ...cessory 4 Tighten screws for the terminal block according to the following table Required Tightening Torque Size Tightening Torque M4 0 7 to 1 0 IWÂOEV 1 0 to 1 3 1ÂP M5 1 5 to 1 8 IWÂOEV 2 0 to 2 4 1ÂP M6 3 0 to 3 7 IWÂOEV 4 0 to 5 0 1ÂP M8 6 6 to 8 1 IWÂOEV 9 0 to 11 0 1ÂP M10 13 3 to 17 0 IWÂOEV 18 0 to 23 0 1ÂP Secure with a cable clamp PVC Tube VW 1 600V Accessory Cable Clamp For Securing Pow...

Page 65: ...unit 2 Connect a power supply wiring to each indoor unit group connected to the same outdoor unit Total operating current be less than 12A Connect a Ground Fault Circuit Interrupter GFCI fuse and main switch S to each indoor unit group 3 Connect the communication cable between indoor units and outdoor units as shown in Figure 7 1 4 Connect the communication cables in the same refrigerant system un...

Page 66: ...tween outdoor units in the same refrigerant system to the terminals 3 and 4 on TB2 x Communication Cabling NOTES 1 For the combination units DSW settings of Main and Sub are required 2 An alarm occurs if the communication cables between main outdoor unit and sub outdoor units are connected to the terminals 1 and 2 for H LINK system 3 In an alarm is triggered on the LCD of Main outdoor unit follow ...

Page 67: ...Box or Pull Box GFCI GFCI GFCI GFCI GFCI S S S Outdoor Unit A Main Ground Ground Outdoor Unit B Sub Controller Cable Controller Cable Wired Controller Wired Controller No 0 System Indoor Units No 1 System Indoor Units 1 208 230V 60Hz TB Terminal Block PCB Printed Circuit Board Field Wiring Communication Line DC5V Non Pole Communication H LINK System Field Supplied Optional Accessory 3 208 230V 60H...

Page 68: ... unit 0 Ref Cycle No Setting DSW3 Setting Before Shipment DSW10 Transmission Setting Power Supply Setting and Service Setting For End Resistance Cancellation End Resistance Cancellation 2 1 ON 2 1 ON Setting Before Shipment 208V 230V Unit 230V Setting Before Shipment 460V Unit 460V Setting Before Shipment 208V Unit 230V 460V Unit 208V 230V 460V Test Run and Service Setting DSW4 For Test Run Functi...

Page 69: ...ation of Base Unit Unit A No 0 Unit B No 1 Unit C No 2 1 2 3 4 ON OFF 1 2 3 4 ON OFF 1 2 3 4 ON OFF 1 2 3 4 ON OFF Maximum Number of Connectable Outdoor Units and Indoor Units for H LINK II Outdoor Unit 64 Indoor Unit 160 NOTE For installing the outdoor unit and the indoor unit on the same communication cable which cannot be used for H LINK II maximum number of connectable indoor units is 128 0 7 ...

Page 70: ...in of DSW10 to the OFF position except the main outdoor unit A In a situation of one refrigerant system in the same H LINK II set all No 1 pin of DSW10 in the OFF position except the main outdoor unit A 1 2 1 2 ON OFF ON OFF Before Shipment Cancellation DSW10 Setting of End Terminal Resistance Voltage DSW7 Setting 208V 230V 460V 1 2 3 4 ON OFF 1 2 3 4 ON OFF 1 2 3 4 ON OFF 1 2 DSW10 1 2 DSW10 1 2 ...

Page 71: ...Start Stop Defrost Signal 5 Forced Stoppage 6 Demand Current Control 40 7 Demand Current Control 60 8 Demand Current Control 70 9 Demand Current Control 80 10 Demand Current Control 100 11 Low Noise Setting 1 12 Low Noise Setting 2 13 Low Noise Setting 3 0 No Setting No Setting Item SEG2 SEG1 SET 1 Input Setting 1 CN17 1 2 pin 2 Input Setting 2 CN17 2 3 pin 3 Input Setting 3 CN18 1 2 pin 4 Output ...

Page 72: ...hair dryer etc when controlling the stop valve in a cold area The spindle O ring will harden at low temperature causing the O ring material to contract by volume and refrigerant leakage can occur c Do not apply excessive force after fully opening the spindle Tightening Torque 3 7 ft lbs 5 0 N m A back seat hard stop is not provided allowing complete removal of the valve stem G 7LJKWHQ FDSV VHFXUHO...

Page 73: ...RU OLTXLG OLQH VLGH If not performed in this manner the expansion valve for the outdoor unit or indoor unit can close up making any airtight test impossible Be sure to use nitrogen gas for the airtight test If other gases such as oxygen gas acetylene gas or ÀXRURFDUERQ JDV DUH DFFLGHQWDOO XVHG LW PD FDXVH DQ H SORVLRQ RU JDV DVSK LDWLRQ Insulation Work 1 Securely insulate the gas piping side and l...

Page 74: ...check that the gas valve and liquid stop valve are fully closed Charge the additional refrigerant from the check joint of liquid stop valve acceptable error must be within 1 1 lbs 0 5 kg 3 After refrigerant has been charged fully open the liquid stop valve and gas stop valves NOTE Gas remaining at the O ring or screw component may emit a hissing sound when removing the spindle cap However this is ...

Page 75: ...orrect refrigerant quantity according to Table 8 1 If not a compressor may be damaged due to an excess or LQVXI FLHQW UHIULJHUDQW FKDUJH Refrigerant charge from check joint of gas stop valve may lead to compressor failure Be sure to charge refrigerant from the check joint of liquid stop valve Insulate the liquid piping and gas piping completely to avoid decreasing of performance and dewing on the ...

Page 76: ... lbs 3 W3 Calculation Method for Additional Refrigerant Charge W3 lbs If the capacity of combined Indoor Unit is larger than 072 MBH the additional refrigerant charge must be 2 2 lbs unit 2 2 lbs unit lbs 4 W4 The Ratio of Indoor Unit Connection Capacity Indoor Unit Total Capacity Outdoor Unit Capacity Additional Charge W4 lbs Determine the ratio of indoor unit connection capacity Condition Refrig...

Page 77: ...s lbs NOTE When refrigerant is recovered or charged due to repairs operating or adjusting the unit record the refrigerant quantity again NOTICE 1 PLVVLRQV RI WKH ÀXRURFDUERQV ZLWKRXW DQ UHDVRQ DUH SURKLELWHG 2 RU GLVSRVDO DQG PDLQWHQDQFH RI WKLV SURGXFW UHFRYHU RI ÀXRURFDUERQV LV UHTXLUHG 8 5 Automatic Simple Judgment System for Refrigerant Amount 1 This function is applicable when outdoor air tem...

Page 78: ...tion capacity ratio 30 indoor units capacity ratio or less Especially if the indoor ambient air temperature is 15 or less the total indoor unit operation capacity will be 30 indoor units capacity ratio or less and if this is the case sometimes this refrigerant quantity check cannot be performed 6 Is switch No 4 pin of DSW4 compressor forced stoppage OFF 1 Refrigerant quantity check operation can b...

Page 79: ...Special Attention Regarding Refrigerant Gas Leakage Pay attention to the critical gas concentration to avoid accidental refrigerant gas leakage before installing air conditioning systems Critical Concentration lbs ft3 Totally Charged Refrigerant Quantity in System lbs Room Space for each Indoor Unit ft3 0 019 lbs ft3 0 3 kg m3 If the calculated critical concentration is higher than 0 019 lbs ft3 0...

Page 80: ...r details Do not impress the voltage on the terminals for communication lines Outdoor Unit TB2 1 2 3 4 Indoor Unit TB2 A B 1 2 Otherwise failure can result 3 Verify that each wire L1 L2 and L3 is correctly connected at the power source If any one of those is incorrectly connected the unit will not operate and the wired controller will display the alarm code 05 In this case check and change the pha...

Page 81: ...nnect the compressor cables from the inverter PCB Then turn on the main power to apply current to the crankcase heater IWHU DSSO LQJ FXUUHQW IRU PRUH WKDQ WKUHH KRXUV PHDVXUH LQVXODWLRQ UHVLVWDQFH DJDLQ HSHQGLQJ on the air conditions length of piping or refrigerant conditions it may be necessary to apply the current for a longer period of time I WKH URXQG DXOW LUFXLW QWHUUXSWHU LV DFWLYDWHG FKHFN ...

Page 82: ...GUHVV IXQFWLRQ may be activated Cancel Test Run mode and reset it Ɣ If the indicated number is not equal to the actual number of connected indoor units the auto address function is not performed correctly due to incorrect wiring or electronic noise EMI Turn OFF the power supply and correct the wiring after checking the following areas Do not repeat turning ON and OFF within 10 seconds The power su...

Page 83: ...QGV 2 WKLV LV DQ LQGLFDWLRQ WKDW the system is searching for irregularities in communication between indoor units and the wired controller This could boil down to loose or disconnected wires components and incorrect wiring Ɣ VPDOO VRXQG PD EH KHDUG IURP WKH RXWGRRU XQLW DIWHU WXUQLQJ 21 DW WKH SRZHU VRXUFH because the electrical expansion valve is activated to adjust the opening Therefore there is...

Page 84: ...ontroller is canceled However the test run function of the outdoor unit is not canceled Check to ensure that the No 1 pin of DSW4 of the outdoor unit PCB is turned OFF If multiple indoor units are connected with one wired controller perform the test run operation individually for each refrigerant system one by one Then make sure to turn the power source OFF for the indoor units in other refrigeran...

Page 85: ...perature Inlet DB o F WB o F Outlet DB o F WB o F 7 Check Refrigerant Temperature Liquid Temperature o F Discharge Gas Temperature o F 8 Check Pressure Discharge Pressure Psi Suction Pressure Psi 9 Check Voltage Rated Voltage V Operating Voltage L1 L2 V L1 L3 V L2 L3 V Starting Voltage V V Vm 10 Check Compressor Input Running Current Input kW Running Current A 11 Is the refrigerant charge adequate...

Page 86: ...cessive Refrigerant Charge Failure of Thermistor Incorrect Wiring Incorrect Piping Connection Expansion Valve Locking at Opened Position Disconnect Connector 08 Increase in Discharge Gas Temperature Insufﬁcient Refrigerant Charge Pipe Clogging Failure of Thermistor Incorrect Wiring Incorrect Piping Connection Expansion Valve Locking at Closed Position Disconnect Connector 0A Communication Problem ...

Page 87: ...tion Device Overload Operation Clogging Short Pass Pipe Clogging Excessive Refrigerant Inert Gas Mixing 47 Activation of Low Pressure Decrease Protection Device Vacuum Operation Protection Insufﬁcient Refrigerant Refrigerant Piping Clogging Expansion Valve Locking at Open Position Loose Connector 48 Activation of Inverter Overcurrent Protection Device Overload Operation Compressor Failure 51 Senso...

Page 88: ...tection Automatic Reset Non Adjustable psi MPa Pressure Switch for each compressor Cut Out psi 7 7 21 21 MPa 0 05 0 05 0 15 0 15 Cut In psi 464 21 464 21 MPa 3 20 0 15 3 20 0 15 For Inverter Compressor Automatic Reset Non Adjustable Over Current Inverter Current Protection Control A Breaker A Over Heat Automatic Reset Non Adjustable for 5sec o F o C for 10min o F o C For Fixed Speed Compressor Aut...

Page 89: ...73 1 84 1 2 1 3 Snow Protection Hood 1 87 Ɣ 6QRZ 3URWHFWLRQ RRG 8SSHU 6 73 6 1 87 Ɣ 6QRZ 3URWHFWLRQ RRG 5HDU 6 73 6 1 95 Ɣ 6QRZ 3URWHFWLRQ RRG 5LJKW 6 73 56 1 101 Ɣ 6QRZ 3URWHFWLRQ RRG HIW 6 73 6 1 107 7RSSOLQJ 3UHYHQWLRQ 7RRO 6 6 1 113 1 2 1 5 Seismic Kit SSK TP10A 1 115 Table of Contents 1 2 Optional Parts 1 2 1 For Outdoor Unit SM 16007 1 75 INSTALLATION ...

Page 90: ... HTXLSPHQW PDQXDOV Ɣ 6LJQDO ZRUGV DUH XVHG WR LGHQWLI OHYHOV RI KD DUG VHULRXVQHVV H QLWLRQV IRU LGHQWLI LQJ KD DUG OHYHOV DUH SURYLGHG EHORZ ZLWK WKHLU UHVSHFWLYH VLJQDO ZRUGV QGLFDWHV D KD DUGRXV VLWXDWLRQ WKDW LI QRW DYRLGHG could result in minor or moderate injury Unit inch mm No Accessory Qty 5HPDUNV 1 Drain Adaptor 93 TXLYDOHQW 1 11 16 43 Outer Diameter φ31 32 φ25 Inner Diameter φ25 32 φ20 2...

Page 91: ...p 7KH GUDLQ FDS LV D FRPSRQHQW WR FRYHU D KROH 1 Put the 2 rubber cap in the 3 drain cap to the upper part of the drain adaptor projection in the direction of the arrow 2 Put the drain cap in the hole for the drain adaptor of the RXWGRRU XQLW ERWWRP EDVH XQWLO LW LV VHFXUHO HG DSSUR o 7KH GUDLQ FDS FDQ EH W LQWR WKH ERWWRP EDVH XQWLO LW VWRSV R QRW XVH WKH GUDLQ DGDSWRU LQ DQ DUHD ZKHUH GUDLQ ZDWH...

Page 92: ...OHV RI WKH RXWGRRU XQLW LQ RUGHU WR SUHYHQW UXVWLQJ HOG VXSSOLHG 6HFXUH HQRXJK VHUYLFH VSDFH ZLWK FRQVLGHUDWLRQ IRU DWWDFKLQJ GHWDFKLQJ WKH SURWHFWLRQ QHW Ɣ 6HUYLFH 6SDFH ZLWK 3URWHFWLRQ 1HW 6HUYLFH 6SDFH IRU 2XWGRRU 8QLW 0LQ LQFK PP R QRW VWHS RQ WKH SURWHFWLRQ QHW RU WKH RXWGRRU XQLW WR SUHYHQW IDOOV UHVXOWLQJ LQ LQMXU DOOHQ OHDYHV RU VRPH RWKHU REMHFWV PD EH FDXJKW E WKH SURWHFWLRQ QHW DQG SLOH...

Page 93: ...H LQVWDOODWLRQ FRQ UP WKH RXWGRRU XQLW PRGHO I WKH SURWHFWLRQ QHW LV DYDLODEOH WR LQVWDOO IROORZ WKH installation procedures 7LJKWHQ ORRVHO WZR VFUHZV 2 at the top of the outdoor unit rear side A and set the protection net for rear side installation 1 RYHU WKH WRS 6HFXUHO WLJKWHQ WKH RWKHU HLJKW VFUHZV 2 except for the top A WZR VFUHZV DQG QDOO WLJKWHQ WKH WRS A WZR VFUHZV VHFXUHO Outdoor Unit Pro...

Page 94: ...16 100 3 15 16 100 29 1 2 750 YDLODEOH RPELQDWLRQV Applicable Outdoor Unit Model H Y VAH P R 072B 3 4 1S H Y VAH P R 096 120B 3 4 1S H Y VAHP072 096B 3 4 1CW Protection Net for Rear Side PN TP10BA PN TP10BB 3URWHFWLRQ 1HW IRU HIW 6LGH 31 73 Protection Net for Right Side PN TP10R NOTES Ɣ 7KLV PDQXDO DSSOLHV RQO WR WKH FRPELQDWLRQ LQGLFDWHG ZLWK RU RWKHU SURWHFWLRQ QHW RSWLRQV UHIHU WR HDFK LQVWDOOD...

Page 95: ...unit in order to prevent rusting HOG VXSSOLHG 3 Secure enough service space with consideration for attaching detaching the protection net Ɣ 6HUYLFH 6SDFH ZLWK 3URWHFWLRQ 1HW 6HUYLFH 6SDFH IRU 2XWGRRU 8QLW 0LQ LQFK PP 4 Do not step on the protection net or the outdoor unit in order to prevent a fall resulting in injury DOOHQ OHDYHV RU VRPH RWKHU REMHFWV PD EH FDXJKW E WKH SURWHFWLRQ QHW DQG SLOHG X...

Page 96: ...RZ WKH installation procedures 1 Remove the one screw for the bottom parts of the RXWGRRU XQLW ULJKW VLGH FRYHU VHH WKH JXUH RQ WKH ULJKW 2 Tighten loosely two screws 2 at the top of the outdoor unit right side and set the protection net for right side installation 1 RYHU WKH WRS 6HFXUHO WLJKWHQ WKH RWKHU YH VFUHZV 2 except for the top two VFUHZV DQG QDOO WLJKWHQ WKH WRS WZR VFUHZV VHFXUHO Protect...

Page 97: ...ch mm 68 1 8 1730 29 1 2 750 Available Combinations Applicable Outdoor Unit Model H Y VAH P R 072B 3 4 1S H Y VAH P R 096 120B 3 4 1S H Y VAHP072 096B 3 4 1CW Protection Net for Rear Side PN TP10BA PN TP10BB 3URWHFWLRQ 1HW IRU HIW 6LGH 31 73 Protection Net for Right Side PN TP10R NOTES Ɣ 7KLV PDQXDO DSSOLHV RQO WR WKH FRPELQDWLRQ LQGLFDWHG ZLWK RU RWKHU SURWHFWLRQ QHW RSWLRQV UHIHU WR HDFK LQVWDOO...

Page 98: ...it in order to prevent rusting HOG VXSSOLHG 3 Secure enough service space with consideration for attaching detaching the protection net Ɣ 6HUYLFH 6SDFH ZLWK 3URWHFWLRQ 1HW 6HUYLFH 6SDFH IRU 2XWGRRU 8QLW 0LQ LQFK PP 4 Do not step on the protection net or the outdoor unit in order to prevent falls resulting in injury DOOHQ OHDYHV RU VRPH RWKHU REMHFWV PD EH FDXJKW E WKH SURWHFWLRQ QHW DQG SLOHG XS H...

Page 99: ...ORZ WKH installation procedures 1 Remove the two screws for the bottom parts of the RXWGRRU XQLW OHIW VLGH FRYHU VHH WKH JXUH RQ WKH ULJKW Outdoor Unit Screws for Bottom Parts of Outdoor Unit Left Side Cover 2 Tighten loosely two screws 2 at the top of the outdoor unit left side and set the protection net for left side installation 1 over the top Securely tighten the other six screws 2 except for ...

Page 100: ... mm 68 1 8 1730 29 1 2 750 Available Combinations Applicable Outdoor Unit Model H Y VAH P R 072B 3 4 1S H Y VAH P R 096 120B 3 4 1S H Y VAHP072 096B 3 4 1CW Protection Net for Rear Side PN TP10BA PN TP10BB Protection Net for Left Side PN TP10L Protection Net for Right Side PN TP10R NOTES Ɣ 7KLV PDQXDO DSSOLHV RQO WR WKH FRPELQDWLRQ LQGLFDWHG ZLWK RU RWKHU SURWHFWLRQ QHW RSWLRQV UHIHU WR HDFK LQVWD...

Page 101: ...ituation that if not avoided could result in death or serious injury Indicates a hazardous situation that if not avoided could result in minor or moderate injury 1 Applicable Unit NOTE 7KH DSSOLFDEOH RXWGRRU XQLW PD EH GLIIHUHQW GHSHQGLQJ RQ WKH SURGXFW VHULHV H VXUH WR FRQ UP ZLWK the product catalogue before installation Name Hood for Air Outlet Model 6 73 6 6 73 6 Applicable Outdoor Unit 9 3 5 ...

Page 102: ... WKH EDVH KHLJKW RU DGGLWLRQDOO SURYLGH WKH IUDPH XQGHU WKH XQLW KLJKHU WKDQ VQRZ DFFXPXODWLRQ DQG the outdoor unit securely with anchor bolts 6HFXUH HQRXJK VHUYLFH VSDFH ZLWK FRQVLGHUDWLRQ IRU VQRZ DFFXPXODWLRQ KHLJKW DQG VQRZ UHPRYDO operation 7KHUH PXVW EH QR REVWDFOHV LQ WKH DLU GLVFKDUJH GLUHFWLRQ H VXUH WR DSSO WRXFK XS FRDWLQJ RU FDXONLQJ DJHQW DW WKH VFUHZ DWWDFKLQJ SRUWLRQV IRU UXVWSURR Q...

Page 103: ...3ODWH for Right Side URQW 6LGH L LQJ 3ODWH for Right Side Rear Side Screw for Installation 0 tapping screw type B RU LQVWDOODWLRQ accepting burring TP hole 6SDUH Screw for Assembling 0 tapping screw type C RU LQVWDOODWLRQ accepting weld nut 6SDUH Drill Screw 0 RU SUHSDUHG KROH 4 Before Installation Check that all the following accessories are packed with the unit before installation SM 16007 1 89 ...

Page 104: ...ODWH and left side plate together two places by using screws for assembling 7LJKWHQ WKH KRUL RQWDO SODWH in four places by using screws for assembling 7LJKWHQ WKH IDFHSODWH WKUHH SLHFHV by using screws for assembling Screws for Assembling 6 73 6 SODFHV 6 73 6 SODFHV 1 12 3 2 6 12 4 12 1 90 SM 16007 INSTALLATION ...

Page 105: ...snow protection hood for the air outlet with those removed screws 7LJKWHQ WKH IDFHSODWH 5 by using screws for assembling Screws for Assembling 6 73 6 SODFHV 6 73 6 SODFHV 5 12 Snow Protection Hood for Air Outlet Outdoor Unit Screws for Fixing Top Plate six places SM 16007 1 91 INSTALLATION ...

Page 106: ...IURQW VLGH LQJ SODWH IRU WKH ULJKW VLGH UHDU VLGH with the VFUHZV IRU DVVHPEOLQJ SODFHV or 8VH WKH VFUHZV LQ VSHFL HG SRVLWLRQV DV VKRZQ LQ WKH JXUH 12 12 12 10 8 11 11 11 7 12 11 9 Snow Protection Hood for Air Outlet Tighten the fixing plate with the screws for assembling or Outdoor Unit 12 11 1 92 SM 16007 INSTALLATION ...

Page 107: ... Side Air Inlet other snow protection hood option 29 17 32 750 Available Combinations Applicable Outdoor Unit Model 9 3 5 6 9 3 5 6 9 3 Hood for Air Outlet 6 73 6 6 73 6 Hood for Rear Side Air Inlet 6 73 6 6 73 6 Hood for Left Side Air Inlet 6 73 6 Hood for Right Side Air Inlet 6 73 56 127 This manual applies only to the combination indicated with RU RWKHU VQRZ SURWHFWLRQ KRRG RSWLRQV UHIHU WR HDF...

Page 108: ...HG 5XVW HQHUDWLRQ DQG RDWLQJ LOP KHFN I UHG UXVW LV JHQHUDWHG RU FRDWLQJ OP LV SHHOHG FUDFNHG VFRXU WKH UXVW RII RU DSSO WRXFK XS FRDWLQJ KHQ UHFRDWLQJ VXFK SDUWV EH VXUH WR JULQG WKH FRDWLQJ XVLQJ VDQGSDSHU WR EHIRUH UH applying coating agent Wear protective equipment such as vinyl gloves when handling the coating agent to prevent contact with skin 5HWLJKWHQLQJ 6FUHZV IRU QVWDOODWLRQ DQG VVHPEO C...

Page 109: ...avoided could result in death or serious injury Indicates a hazardous situation that if not avoided could result in minor or moderate injury 1 Applicable Unit NOTE 7KH DSSOLFDEOH RXWGRRU XQLW PD EH GLIIHUHQW GHSHQGLQJ RQ WKH SURGXFW VHULHV H VXUH WR FRQ UP ZLWK the product catalogue before installation Name Hood for Rear Side Air Inlet Model 6 73 6 6 73 6 Applicable Outdoor Unit 9 3 5 6 9 3 5 6 9 ...

Page 110: ... EDVH KHLJKW RU DGGLWLRQDOO SURYLGH WKH IUDPH XQGHU WKH XQLW KLJKHU WKDQ VQRZ DFFXPXODWLRQ DQG the outdoor unit securely with anchor bolts 6HFXUH HQRXJK VHUYLFH VSDFH ZLWK FRQVLGHUDWLRQ IRU VQRZ DFFXPXODWLRQ KHLJKW DQG VQRZ UHPRYDO operation 7KHUH PXVW EH QR REVWDFOHV LQ WKH DLU GLVFKDUJH GLUHFWLRQ H VXUH WR DSSO WRXFK XS FRDWLQJ RU FDXONLQJ DJHQW DW WKH VFUHZ DWWDFKLQJ SRUWLRQV IRU UXVWSURR QJ 5 ...

Page 111: ...e 5 Screw for Installation 0 tapping screw type B 8 8 For installation accepting burring TP hole 6SDUH Screw for Assembling 0 tapping screw type C For installation accepting weld nut 6SDUH 4 Before Installation Check that all the following accessories are packed with the unit before installation SM 16007 1 97 INSTALLATION ...

Page 112: ...73 6 SODFHV 6 73 6 SODFHV 7LJKWHQ ORRVHO WZR VFUHZV IRU LQVWDOODWLRQ DW WKH WRS RI WKH VQRZ SURWHFWLRQ KRRG 5 to the outdoor unit and set the snow protection hood for rear side air inlet to the outdoor unit Tighten the other six screws 5 H FHSW IRU WKH WRS WZR VFUHZV DQG QDOO WLJKWHQ WKH WRS WZR VFUHZV VHFXUHO 1 2 6 4 6 3 5 5 Outdoor Unit Screws at the Top of the Snow Protection Hood Snow Protecti...

Page 113: ...now protection hood option Hood for Rear Side Air Inlet Available Combinations Applicable Outdoor Unit Model 9 3 5 6 9 3 5 6 9 3 Hood for Air Outlet 6 73 6 6 73 6 Hood for Rear Side Air Inlet 6 73 6 6 73 6 Hood for Left Side Air Inlet 6 73 6 Hood for Right Side Air Inlet 6 73 56 127 This manual applies only to the combination indicated with For other snow protection hood options refer to each inst...

Page 114: ...5XVW HQHUDWLRQ DQG RDWLQJ LOP KHFN I UHG UXVW LV JHQHUDWHG RU FRDWLQJ OP LV SHHOHG FUDFNHG VFRXU WKH UXVW RII RU DSSO WRXFK XS FRDWLQJ KHQ UHFRDWLQJ VXFK SDUWV EH VXUH WR JULQG WKH FRDWLQJ XVLQJ VDQGSDSHU WR EHIRUH UH applying coating agent Wear protective equipment such as vinyl gloves when handling the coating agent to prevent contact with skin 5HWLJKWHQLQJ 6FUHZV IRU QVWDOODWLRQ DQG VVHPEO Chec...

Page 115: ...ld result in death or serious injury Indicates a hazardous situation that if not avoided could result in minor or moderate injury 1 Applicable Unit NOTE SSOLFDEOH RXWGRRU XQLW PD EH GLIIHUHQW GHSHQGLQJ RQ WKH SURGXFW VHULHV H VXUH WR FRQ UP ZLWK WKH product catalogue before installation Name Hood for Right Side Air Inlet Model 6 73 56 Required Qty 1 Applicable Outdoor Unit 9 3 5 6 9 3 2 Installati...

Page 116: ...on Increase the EDVH KHLJKW RU DGGLWLRQDOO SURYLGH WKH IUDPH XQGHU WKH XQLW KLJKHU WKDQ VQRZ DFFXPXODWLRQ DQG the outdoor unit securely with anchor bolts 6HFXUH HQRXJK VHUYLFH VSDFH ZLWK FRQVLGHUDWLRQ IRU VQRZ DFFXPXODWLRQ KHLJKW DQG VQRZ UHPRYDO operation 7KHUH PXVW EH QR REVWDFOHV LQ WKH DLU GLVFKDUJH GLUHFWLRQ H VXUH WR DSSO WRXFK XS FRDWLQJ RU FDXONLQJ DJHQW DW WKH VFUHZ DWWDFKLQJ SRUWLRQV IRU...

Page 117: ...de 1 5 Screw for Installation 0 tapping screw type B 8 For installation accepting burring TP hole 6SDUH Screw for Assembling 0 tapping screw type C For installation accepting weld nut 6SDUH 4 Before Installation Check that all the following accessories are packed with the unit before installation SM 16007 1 103 INSTALLATION ...

Page 118: ...inlet to the outdoor unit Tighten the other four screws 5 H FHSW IRU WKH WRS WZR VFUHZV DQG QDOO WLJKWHQ WKH WRS WZR VFUHZV VHFXUHO 127 7KH WWLQJ VORWV IRU WKH KRRG DUH DGMXVWDEOH ZLWK WKH VHFXULQJ SRVLWLRQV ZLWKLQ LQFK PP RU hood installation there must be no gap between the outdoor unit top plate and the hood upper part If there is a gap ice may form inside the hood 2 1 4 6 3 6 5 5 Shape of Fitt...

Page 119: ...tion Hood for Right Side Air Inlet Hood for Left Side Air Inlet other snow protection hood option Outdoor Unit Available Combinations Applicable Outdoor Unit Model 9 3 5 6 9 3 5 6 9 3 Hood for Air Outlet 6 73 6 6 73 6 Hood for Rear Side Air Inlet 6 73 6 6 73 6 Hood for Left Side Air Inlet 6 73 6 Hood for Right Side Air Inlet 6 73 56 127 This manual applies only to the combination indicated with Fo...

Page 120: ... air conditioners inspection 1 Red Rust Generation and Coating Film Check I UHG UXVW LV JHQHUDWHG RU FRDWLQJ OP LV SHHOHG FUDFNHG VFRXU WKH UXVW RII RU DSSO WRXFK XS FRDWLQJ KHQ UH FRDW VXFK SRUWLRQV DIWHUZDUGV EH VXUH WR JULQG WKH FRDWLQJ E VDQGSDSHUV EHIRUH applying coating agent The coating agent may give bad effects to your skin Wear the protective equipment such as vinyl gloves when handling ...

Page 121: ...HULHV H VXUH WR FRQ UP ZLWK the product catalogue before installation 7KLV VQRZ SURWHFWLRQ KRRG SUHYHQWV VQRZ IURP HQWHULQJ WKH RXWGRRU XQLW DQG SUHYHQWV D VWURQJ ZLQG IURP EORZLQJ DJDLQVW WKH KHDW H FKDQJHU H VXUH WR UHDG WKLV PDQXDO FDUHIXOO IRU FRUUHFW SHUIRUPDQFH EHIRUH LQVWDOODWLRQ ZRUN Name Hood for Left Side Air Inlet Model 6 73 6 5HTXLUHG 4W 1 SSOLFDEOH 2XWGRRU 8QLW 9 3 5 6 9 3 2 Installat...

Page 122: ...PXODWLRQ QFUHDVH WKH EDVH KHLJKW RU DGGLWLRQDOO SURYLGH WKH IUDPH XQGHU WKH XQLW KLJKHU WKDQ VQRZ DFFXPXODWLRQ DQG WKH RXWGRRU XQLW VHFXUHO ZLWK DQFKRU EROWV 6HFXUH HQRXJK VHUYLFH VSDFH ZLWK FRQVLGHUDWLRQ IRU VQRZ DFFXPXODWLRQ KHLJKW DQG VQRZ UHPRYDO operation 7KHUH PXVW EH QR REVWDFOHV LQ WKH DLU GLVFKDUJH GLUHFWLRQ H VXUH WR DSSO WRXFK XS FRDWLQJ RU FDXONLQJ DJHQW DW WKH VFUHZ DWWDFKLQJ SRUWLRQV...

Page 123: ...6LGH 1 5 6FUHZ IRU QVWDOODWLRQ 0 WDSSLQJ VFUHZ W SH 8 For installation accepting burring TP hole 6SDUH 6FUHZ IRU VVHPEOLQJ 0 WDSSLQJ VFUHZ W SH For installation DFFHSWLQJ ZHOG QXW 6SDUH 4 Before Installation KHFN WKDW DOO WKH IROORZLQJ DFFHVVRULHV DUH SDFNHG ZLWK WKH XQLW EHIRUH LQVWDOODWLRQ SM 16007 1 109 INSTALLATION ...

Page 124: ...QOHW WR WKH RXWGRRU XQLW 7LJKWHQ WKH RWKHU IRXU VFUHZV 5 H FHSW IRU WKH WRS WZR VFUHZV DQG QDOO WLJKWHQ WKH WRS WZR VFUHZV VHFXUHO 127 7KH WWLQJ VORWV IRU WKH KRRG DUH DGMXVWDEOH LQ LWV LQJ SRVLWLRQ ZLWKLQ LQFK PP RU KRRG LQVWDOODWLRQ WKHUH PXVW EH QR JDS EHWZHHQ WKH RXWGRRU XQLW WRS SODWH DQG WKH KRRG XSSHU SDUW I WKHUH LV D JDS LFH PD IRUP LQVLGH WKH KRRG 1 6 4 2 6 3 5 5 Outdoor Unit Snow Protec...

Page 125: ...ght Side Air Inlet other protection hood option Outdoor Unit Available Combinations SSOLFDEOH 2XWGRRU 8QLW Model 9 3 5 6 9 3 5 6 9 3 Hood for Air Outlet 6 73 6 6 73 6 Hood for Rear Side Air Inlet 6 73 6 6 73 6 Hood for Left Side Air Inlet 6 73 6 Hood for Right Side Air Inlet 6 73 56 127 7KLV PDQXDO DSSOLHV RQO WR WKH FRPELQDWLRQ LQGLFDWHG ZLWK RU RWKHU VQRZ SURWHFWLRQ KRRG RSWLRQV UHIHU WR HDFK LQ...

Page 126: ...G 5XVW HQHUDWLRQ DQG RDWLQJ LOP KHFN I UHG UXVW LV JHQHUDWHG RU FRDWLQJ OP LV SHHOHG FUDFNHG VFRXU WKH UXVW RII RU DSSO WRXFK XS FRDWLQJ KHQ UHFRDWLQJ VXFK SDUWV EH VXUH WR JULQG WKH FRDWLQJ XVLQJ VDQGSDSHU WR EHIRUH UH DSSO LQJ FRDWLQJ DJHQW HDU SURWHFWLYH HTXLSPHQW VXFK DV YLQ O JORYHV ZKHQ KDQGOLQJ WKH FRDWLQJ DJHQW WR SUHYHQW FRQWDFW ZLWK VNLQ 5HWLJKWHQLQJ 6FUHZV IRU QVWDOODWLRQ DQG VVHPEO KHF...

Page 127: ...DQXDO EHIRUH XVLQJ WKLV Toppling Prevention Tool Ɣ 3HUIRUP WKH WHVW UXQ DIWHU LQVWDOODWLRQ WR FKHFN IRU DEQRUPDOLWLHV Ɣ RUZDUG WKLV LQIRUPDWLRQ WR WKH EXLOGLQJ RZQHU DQG UHTXHVW WKDW WKH PDLQWDLQ DOO WKH HTXLSPHQW PDQXDOV Ɣ 6LJQDO ZRUGV DUH XVHG WR LGHQWLI OHYHOV RI KD DUG VHULRXVQHVV H QLWLRQV IRU LGHQWLI LQJ KD DUG OHYHOV DUH SURYLGHG EHORZ ZLWK WKHLU UHVSHFWLYH VLJQDO ZRUGV QGLFDWHV D KD DUGRXV...

Page 128: ...isengage locking mechanism to adjust wire tension Re engage lever after proper tension Caution for Installation To prevent split wire edge wrap up the wire with plastic tape when cutting for length adjustment It may be difficult to unlock the fastening fitting while applying tension to the wire Pay attention for sudden change in wire tension when unlock the fastening fitting Wrap the fastening fit...

Page 129: ... Do not use this kit by itself or in FRPELQDWLRQ ZLWK RWKHU FRPSDQLHV DLU FRQGLWLRQHUV Read and understand this manual before using this Seismic Kit H VXUH WR IROORZ WKLV PSRUWDQW 1RWLFH UHODWHG WR VDIHW Perform a test run after installation to check for abnormalities 6LJQDO ZRUGV DUH XVHG WR LGHQWLI OHYHOV RI KD DUG VHULRXVQHVV H QLWLRQV IRU LGHQWLI LQJ KD DUG OHYHOV DUH SURYLGHG EHORZ ZLWK WKHLU...

Page 130: ...emarks 1 Left Support 2 2 Right Support 2 Washer 6SDUH ROW 0 8 6SDUH 5 1XW 0 8 6SDUH 3 Before Installation KHFN WKDW DOO WKH IROORZLQJ DFFHVVRULHV DUH SDFNHG ZLWK WKH XQLW EHIRUH LQVWDOODWLRQ 1 116 SM 16007 INSTALLATION ...

Page 131: ...DOODWLRQ KROH 3XW D KDQG into the square hole on the outdoor unit bottom base to temporarily fasten the bolt and the nut 5 WZR SRUWLRQV 7KH QXW 5 ZLWK DQ DGMXVWDEOH ZUHQFK RU HWF WKHQ VHFXUHO WLJKWHQ WKH EROW ZLWK D 3KLOOLSV KHDG GULYHU IURP WKH IURQW RI WKH RXWGRRU XQLW WZR SRUWLRQV QVWDOO WKH OHIW VXSSRUW 1 WR WKH EDFN OHIW RI WKH RXWGRRU XQLW ERWWRP EDVH DQG WKH ULJKW VXSSRUW 2 WR the front and...

Page 132: ...WKH LQVWDOODWLRQ 5HIHU WR WKH 2XWGRRU 8QLW QVWDOODWLRQ 0DQXDO WR WKH LQVWDOODWLRQ ZRUN Front Side Rear Side Seismic Kit Seismic Kit Seismic Kit Enlarged Cross Section of Installing Anchor Bolt Right Side of Unit Place the edge of the unit onto the vibration proof mat 3 15 16 2 3 4 3 16 11 16 Filled Mortar Min 3 15 16 Min 5 7 8 Foundation Drainage Min 3 3 16 Vibration Proof Mat Field Supplied Drain...

Page 133: ...1 2 2 1 Piping Connection Kit Ɣ 0 13 0 13 0XOWL LW LQH UDQFK Ɣ 0 13 0 13 0 13 0 13 0XOWL LW HDGHU UDQFK Ɣ 0 13 0 13 Table of Contents 1 2 2 Piping Kit 60 INSTALLATION ...

Page 134: ...service this heat pump air conditioning unit which you operate as well for other models Ɣ This manual should be considered as a permanent part of the air conditioning equipment and should remain with the air conditioning equipment Product Inspection Upon Arrival 1 Upon receiving this product inspect it for any damages incurred in transit Claims for damage either DSSDUHQW RU FRQFHDOHG VKRXOG EH OHG...

Page 135: ...s inside the indoor or outdoor units All safety features disengagement and interlocks must be in place and functioning correctly before the equipment is put into operation If these devices are improperly adjusted or tampered with in any way a serious accident can occur Never bypass or jump out any safety device or switch Ɣ Johnson Controls will not assume any liability for injuries or damage cause...

Page 136: ...EDIÀH ƕ A snowy area Install the outdoor unit on a raised platform that is higher than drifting snow Provide snow vents Ɣ R QRW LQVWDOO WKH XQLW LQ WKH IROORZLQJ SODFHV RLQJ VR FDQ UHVXOW LQ DQ H SORVLRQ UH GHIRUPDWLRQ FRUURVLRQ RU product failure ƕ SORVLYH RU ÀDPPDEOH DWPRVSKHUH ƕ KHUH D UH RLO VWHDP RU SRZGHU FDQ GLUHFWO HQWHU WKH XQLW VXFK DV QHDUE RU DERYH D NLWFKHQ VWRYH ƕ Where oil including...

Page 137: ...ressor activates with the stop valve opened the refrigerant cycle will become VXEMHFWHG WR H WUHPHO KLJK SUHVVXUH ZKLFK FDQ FDXVH DQ H SORVLRQ RU UH Ɣ 7LJKWHQ WKH ÀDUH QXW ZLWK D WRUTXH ZUHQFK LQ WKH VSHFL HG PDQQHU R QRW DSSO H FHVVLYH IRUFH WR WKH ÀDUH QXW ZKHQ WLJKWHQLQJ I RX GR WKH ÀDUH QXW FDQ FUDFN DQG UHIULJHUDQW OHDNDJH PD RFFXU Ɣ A compressor unit comprises a pressurized system Never loos...

Page 138: ...UH WR ZDLW DW OHDVW YH PLQXWHV EHIRUH WXUQLQJ RII WKH PDLQ SRZHU VZLWFK Otherwise water leakage or electrical breakdown may result Disconnect the power source completely before attempting any maintenance for electrical parts Check to ensure that no residual voltage is present after disconnecting the power source Ɣ Do not clean with or pour water into the controller as it could cause electric shock...

Page 139: ...sulation for Liquid Line 1 set 1 set 1 set 1 set Reducer for High Low Pressure Gas Line Connection For Connecting Pipe Field Supplied 1 1 1 1 1 1 1 1 1 1 1 1 None 1 2 1 1 2 Reducer for Liquid Line Connection For Connecting Pipe Field Supplied 1 1 1 1 1 None None None Tape 2 2 2 2 NOTE If any of these parts are missing please contact your distributor Do not discard any foam packaging as it is used ...

Page 140: ...utdoor Unit To Piping Connection Kit 2 To Indoor Unit ID 5 8 ID 3 4 ID 5 8 ID 3 4 ID 7 8 ID 3 4 ID 1 2 ID 3 8 To Outdoor Unit To Indoor Unit To Piping Connection Kit 2 OD 1 1 4 ID 1 1 8 ID 1 ID 1 2 ID 5 8 OD 3 4 ID 3 8 ID 1 1 8 ID 1 1 4 OD 1 1 4 OD 1 ID 3 4 ID 7 8 OD 1 1 4 ID 1 3 8 OD 1 1 2 ID 1 5 8 Piping Connection Kit 2 ID 1 1 2 ID 1 1 4 ID 1 1 4 ID 1 1 8 ID 1 ID 1 1 4 To Outdoor Unit To Piping...

Page 141: ...Field Supplied Liquid Piping High Low Pressure Gas Piping Field Supplied Piping Connection Kit 2 Liquid Field Supplied Liquid Piping Piping Connection Kit 2 High Low Pressure Gas Accessory Pipe Z Shape Accessory Pipe Z Shape Piping Connection Kit 1 Liquid Piping Connection Kit 1 High Low Pressure Gas Accessory Pipe L Shape Accessory Pipe L Shape Piping Connection Kit 1 Liquid Accessory Pipe L Shap...

Page 142: ...UHVLGXH inch mm Recommended Mini Pipe Cutter Available Cut Size Rotating Radius 2 3 4 inch 70mm or less 13 16 21 1 11 16 43 2 3 4 70 3 16 1 1 8 5 29 2 inches 51 Pipe Cutter Pipe Connection Part Deburring B A Ɣ DXWLRQ IRU 5HIULJHUDQW 3LSLQJ Hole Rain water can enter When installing pipe through the wall secure a cap at the end of the pipe Attach a cap or vinyl tape INCORRECT CORRECT INCORRECT CORRE...

Page 143: ...he inside free of dust and moisture Make sure that a test for leakage of refrigerant gases has been performed The refrigerant used for this unit 5 LV D QRQ ÀDPPDEOH QRQ WR LF DQG RGRUOHVV JDV RZHYHU LI UHIULJHUDQW VKRXOG OHDN DQG PDNH FRQWDFW ZLWK VSDUNV UH WR LF JDV ZLOO EH JHQHUDWHG OVR EHFDXVH WKH ÀXRURFDUERQ LV KHDYLHU WKDQ DLU WKH ÀRRU VXUIDFH ZLOO EH OOHG ZLWK LW ZKLFK FRXOG FDXVH VXIIRFDWLR...

Page 144: ... This heat pump air conditioning unit will be operated and serviced in the United States of America and comes with a full complement of the appropriate Safety Danger and Caution warnings Ɣ If you have questions please contact your distributor or dealer Ɣ This manual provides common descriptions basic and advanced information to maintain and service this heat pump air conditioning unit which you op...

Page 145: ...s inside the indoor or outdoor units All safety features disengagement and interlocks must be in place and functioning correctly before the equipment is put into operation If these devices are improperly adjusted or tampered with in any way a serious accident can occur Never bypass or jump out any safety device or switch Ɣ Johnson Controls will not assume any liability for injuries or damage cause...

Page 146: ...EDIÀH Ɠ A snowy area Install the outdoor unit on a raised platform that is higher than drifting snow Provide snow vents Ɣ R QRW LQVWDOO WKH XQLW LQ WKH IROORZLQJ SODFHV RLQJ VR FDQ UHVXOW LQ DQ H SORVLRQ UH GHIRUPDWLRQ corrosion or product failure Ɠ SORVLYH RU ÀDPPDEOH DWPRVSKHUH Ɠ KHUH D UH RLO VWHDP RU SRZGHU FDQ GLUHFWO HQWHU WKH XQLW VXFK DV QHDUE RU DERYH D NLWFKHQ VWRYH Ɠ Where oil including...

Page 147: ...pressor activates with the stop valve opened the refrigerant F FOH ZLOO EHFRPH VXEMHFWHG WR H WUHPHO KLJK SUHVVXUH ZKLFK FDQ FDXVH DQ H SORVLRQ RU UH Ɣ 7LJKWHQ WKH ÀDUH QXW ZLWK D WRUTXH ZUHQFK LQ WKH VSHFL HG PDQQHU R QRW DSSO H FHVVLYH IRUFH WR WKH ÀDUH QXW ZKHQ WLJKWHQLQJ I RX GR WKH ÀDUH QXW FDQ FUDFN DQG UHIULJHUDQW OHDNDJH PD RFFXU Ɣ A compressor unit comprises a pressurized system Never loo...

Page 148: ...round wire is securely connected Do not connect ground wiring to gas piping water piping lighting conductor or telephone ground wiring Ɣ If a circuit breaker or fuse is frequently activated shut down the system and contact your service contractor 3 Before Installation 03257 17 RQ UP WKH QXPEHU RI WKH IROORZLQJ SDUWV NLW E UHIHUHQFLQJ WKH PRGHO QXPEHU SULQWHG RQ WKH package before opening Do NOT in...

Page 149: ... Unit To Main Piping ID 1 2 ID 1 4 ID 3 8 ID 3 8 ID 1 2 ID 1 2 To Outdoor Unit To Indoor Unit To Main Piping OD 1 1 8 ID 1 ID 5 8 ID 7 8 ID 3 4 ID 1 2 ID 3 8 OD 1 4 ID 5 8 OD 1 2 MW NP692A2 ID 1 2 ID 5 8 ID 1 1 8 ID 1 1 8 ID 1 ID 3 4 ID 7 8 ID 7 8 To Outdoor Unit To Indoor Unit To Main Piping ID 3 8 ID 3 4 ID 5 8 ID 1 2 ID 3 8 ID 1 2 ID 5 8 ID 5 8 ID 7 8 ID 1 4 To Outdoor Unit To Indoor Unit To Ma...

Page 150: ...mple Recommended From each Indoor Unit to Multi Kit have bending pipes and they will not tend to be deformed Bending Pipe Connection Pipe Example Recommended Indoor Unit Straight piping does not allow for movement of the piping when it expands or contracts Copper Piping will expand and contract due to temperature changes in piping Copper Piping will expand and contract due to temperature changes i...

Page 151: ...n below Use the insulation attached to the indoor unit Brazing Insulation Attached to Indoor Unit Field Supplied Refrigerant Piping Field Supplied Insulation Fix this part with the attached cord band or field supplied vinyl tape Insulate this part with the attached insulation Use the flare nut of the indoor unit Expander for Liquid Line Accessory Flare the pipe after inserting the flare nut Indoor...

Page 152: ...VXIIRFDWLRQ NOTE When polyethylene foam is applied a thickness of 13 32 inch 10mm for liquid piping and 19 32 to 25 32 inch 15 to 20mm for gas piping is recommended Use a grade of insulation with a heat resistance of 212ºF 100ºC for gas piping Do not leave any gaps between layers of insulation Insulation Field Supplied After positioning all insulation with tape follow up and secure it permanently ...

Page 153: ...itioning unit will be operated and serviced in the United States of America and comes with a full complement of the appropriate Safety Danger and Caution warnings Ɣ If you have questions please contact your distributor or dealer Ɣ This manual provides common descriptions basic and advanced information to maintain and service this heat pump air conditioning unit which you operate as well for other ...

Page 154: ...s inside the indoor or outdoor units All safety features disengagement and interlocks must be in place and functioning correctly before the equipment is put into operation If these devices are improperly adjusted or tampered with in any way a serious accident can occur Never bypass or jump out any safety device or switch Ɣ Johnson Controls will not assume any liability for injuries or damage cause...

Page 155: ...EDIÀH Ɠ A snowy area Install the outdoor unit on a raised platform that is higher than drifting snow Provide snow vents Ɣ R QRW LQVWDOO WKH XQLW LQ WKH IROORZLQJ SODFHV RLQJ VR FDQ UHVXOW LQ DQ H SORVLRQ UH GHIRUPDWLRQ corrosion or product failure Ɠ SORVLYH RU ÀDPPDEOH DWPRVSKHUH Ɠ KHUH D UH RLO VWHDP RU SRZGHU FDQ GLUHFWO HQWHU WKH XQLW VXFK DV QHDUE RU DERYH D NLWFKHQ VWRYH Ɠ Where oil including...

Page 156: ...pressor activates with the stop valve opened the refrigerant cycle will become subjected to extremely high pressure which can cause an H SORVLRQ RU UH Ɣ 7LJKWHQ WKH ÀDUH QXW ZLWK D WRUTXH ZUHQFK LQ WKH VSHFL HG PDQQHU R QRW DSSO H FHVVLYH IRUFH WR WKH ÀDUH QXW ZKHQ WLJKWHQLQJ I RX GR WKH ÀDUH QXW FDQ FUDFN DQG UHIULJHUDQW OHDNDJH PD RFFXU Ɣ A compressor unit comprises a pressurized system Never lo...

Page 157: ...UH WR ZDLW DW OHDVW YH PLQXWHV EHIRUH WXUQLQJ RII WKH PDLQ SRZHU VZLWFK Otherwise water leakage or electrical breakdown may result Disconnect the power source completely before attempting any maintenance for electrical parts Check to ensure that no residual voltage is present after disconnecting the power source Ɣ Do not clean with or pour water into the controller as it could cause electric shock...

Page 158: ...id Line Insulation for Gas Line Insulation for Liquid Line Closing Pipe Expander for Gas Line Insulation for Closing Pipe Insulation for Liquid Line Tape Unit inch Accessories Expander for Liquid Line Qty Qty For Gas Line φ1 2 For Liquid Line φ1 4 For Liquid Header φ3 8 1 For Gas Line φ1 2 For Liquid Line φ1 4 For Liquid Header φ3 8 1 1 1 1 1 1 1 1 1 2 2 6 6 4 2 sets 4 sets 24 2 8 6 sets 8 sets 48...

Page 159: ... 4 φ5 8 ID 5 8 ID 1 2 φ3 8 φ3 4 φ3 8 ID 1 4 ID 3 8 ID 3 8 ID 3 8 ID 1 4 ID 3 4 ID 1 2 φ3 4 φ3 8 ID 3 8 ID 5 8 φ5 8 ID 5 8 ID 3 4 ID 7 8 φ7 8 MH NP224A MH NP288A Models Gas Line Liquid Line Expander Closing Pipe φ3 8 φ3 8 For Closing For Closing For Gas Line For Liquid Line For Gas Line For Liquid Line For Gas Line For Liquid Line For Liquid Line Qty 2 Qty 2 Qty 6 Qty 6 Qty 4 Qty 2 Qty 8 Unit inch ...

Page 160: ...RZ 8VH the insulation attached to the indoor unit Brazing Insulation Attached to Indoor Unit Field Supplied Refrigerant Piping Field Supplied Insulation Fix this part with the attached cord band or field supplied vinyl tape Insulate this part with the attached insulation Use the flare nut of the indoor unit Expander for Liquid Line Accessory Flare the pipe after inserting the flare nut Indoor Unit...

Page 161: ...e closed off end of pipe Then seal the joint portion with tape accessory Insulation for Header Multi Kit Insulation Field Supplied Tape Accessory Accessory a Braze the pipe cap to the open end of the liquid header opposite the liquid line connection Cover the liquid line header with the insulation after pipe temperature decreases to room temperature b Cut the sections of insulation for liquid pipi...

Page 162: ... to melt Ɣ XULQJ SLSLQJ ZRUN DOZD V FRYHU RYHU RU SOXJ WKH RSHQ HQG WR NHHS WKH LQVLGH IUHH RI GXVW DQG PRLVWXUH Branch Pipe for Gas Line Branch Pipe for Liquid Line Install the branch pipe horizontally by placing it on the platform Suspend the branch pipe from the ceiling so that the branch pipe port openings are horizontal Ceiling Horizontally Platform Field Supplied Suspension Bracket Ceiling H...

Page 163: ...SM 16007 2 1 OPERATION 2 Operation ...

Page 164: ...2 2 SM 16007 OPERATION Ɣ 5HIHU WR WKH 6HUYLFH 0DQXDO IRU QGRRU 8QLW RU RQWUROOHU ...

Page 165: ...SM 16007 3 1 TROUBLESHOOTING 3 Troubleshooting ...

Page 166: ... a tester 3 V WKH ZLULQJ UPO VHFXUHG DQG correctly connected Check that the following wiring connections on O U I U printed circuit boards PCBs are not loose The connection for thermistors The connection for the wired controller cable The connection for communication cabling Each connection for power source line Check that the wiring connection on O U I U PCBs are not loose or misconnected on the ...

Page 167: ...ull Box Distribution Box or Pull Box GFCI GFCI GFCI GFCI GFCI S S S Outdoor Unit A Main Ground Ground Outdoor Unit B Sub Controller Cable Controller Cable Wired Controller Wired Controller No 0 System Indoor Units No 1 System Indoor Units 1 208 230V 60Hz TB Terminal Block PCB Printed Circuit Board Field Wiring Communication Line DC5V Non Pole Communication H LINK System Field Supplied Optional Acc...

Page 168: ...a minimum of AWG18 0 82mm2 2 Conductor Stranded Copper Shielded cable must be considered for applications and routing in areas of high EMI and other sources of potentially excessive electrical noise to reduce the potential for communication errors When shielded cabling is applied proper bonding and termination of the cable shield is required as per Johnson Controls guidelines Plenum and riser rati...

Page 169: ...door Unit Indoor Unit Indoor Unit A B A B A B Individual Simultaneous Thermo ON OFF individually Individual Wired Controller Wired Controller Wired Controller Indoor Unit Indoor Unit A B Outdoor Unit A B Wired Controller Wired Controller Outdoor Unit Indoor Unit A B The communication cabling for the wired controller is necessary Indoor Unit A B Wired Controller NOTE Thermo ON The outdoor unit and ...

Page 170: ...Model H Y VAHP072B31CW and H Y VAHP096B31CW NF1 TB1 CB NF6 PCB2 NF7 IPM THM ZNR DM CMC1 RS DCL CS NF5 FFB1 PCB1 TB2 FANM Model H Y VAHP072B41CW and H Y VAHP096B41CW PCB1 TB1 NF1 FFB1 CB3 FANM1 DM EF3 ZNR1 CMC1 DCL1 NF4 PCB2 THM ZNR2 IPM NF6 NF3 CS1 CS2 RS1 RS2 NF5 NF9 TB2 NF7 ...

Page 171: ...witch Input 4 Operation Control for Above Items 1 to 3 Compressor Operation Control Bypass Valve Control Fan Control and Overcurrent Control 5 7 Segment Indication 6 Processing of Safety Device Input 7 Processing of Relay Output 8 Reverse Phase Detection for Power Source PCB2 Inverter PCB 1 Inverter power part is driven by outdoor unit PCB to drive compressor 2 Overcurrent Control 3 Protection Con...

Page 172: ...Red Power Source Indicator for Outdoor Unit PCB High Voltage Normal Condition Activated ON Abnormal Condition Deactivated OFF SEGs SEG1 SEG2 These indicate Alarm Protective Safety Device has Tripped or Checking Items b Inverter Printed Circuit Board PCB2 Inverter PCB and Transistor Module Securing Screw for Transistor Module M4 Transistor Module Terminal Screw M5 Screw M5 LED201 PCN301 PCN302 DSW1...

Page 173: ...ED202 Yellow This indicates the state of the microcomputer Normal Condition Activated ON Abnormal Condition Deactivated OFF DSW1 No setting is required 1 2 3 4 ON OFF LED501 Red LED202 Yellow CN206 W V U CN207 Lot 1 ON 2 3 4 HIC1 N P2 S R DCL1 DCL2 T DSW1 Lot 1 2 3 4 102 L3 LED501 Red LED202 Yellow CN206 W V U CN207 Lot 1 ON 2 3 4 HIC1 N S R DCL1 DCL2 T DSW1 Lot 1 2 3 4 CB1 102 L3 460V 60Hz 208 23...

Page 174: ...is setting 3 2 1 4 ON 5 6 DSW1 Tens Digit 0 7 9 5 8 6 4 3 Setting Position 1 2 RSW1 Last Digit DSW1 Set the unit number of outdoor unit at each refrigerant cycle Setting before shipment is unit 0 Ref Cycle No Setting DSW3 Setting Before Shipment DSW10 Transmission Setting Power Supply Setting and Service Setting For End Resistance Cancellation End Resistance Cancellation 2 1 ON 2 1 ON Setting Befo...

Page 175: ...cle number set RSW2 and DSW5 on the indoor unit PCB Base Unit Factory Setting Combination of Base Unit Unit A No 0 Unit B No 1 Unit C No 2 1 2 3 4 ON OFF 1 2 3 4 ON OFF 1 2 3 4 ON OFF 1 2 3 4 ON OFF Maximum Number of Connectable Outdoor Units and Indoor Units Outdoor Unit 64 Indoor Unit 160 0 7 9 5 8 6 4 3 1 2 3 2 1 4 ON 5 6 OFF Turn ON No 2 pin Set Dial No 5 0 7 9 5 8 6 4 3 1 2 3 2 1 4 ON 5 6 OFF...

Page 176: ...line H LINK ll set all No 1 pins of DSW10 in the OFF position except one outdoor unit 1 2 1 2 ON OFF ON OFF Factory Setting Cancellation DSW10 Setting of End Terminal Resistance Voltage DSW7 Setting 208V 230V 460V 1 2 3 4 ON OFF 1 2 3 4 ON OFF 1 2 3 4 ON OFF 1 2 DSW10 1 2 DSW10 1 2 DSW10 Communication Line No Polarity H LINK II Outdoor Unit Unit Combination Indoor Unit Cancel the end terminal sett...

Page 177: ...Normal Mode Display Check Menu Display 1 Press and hold Menu and ECO simultaneously for three seconds during the normal mode The Check Menu is displayed Check Menu Function 5 Model Display Alarm History Display Check 2 01 02 Check 1 Entr Sel OK Rtrn Back 2 Select Check 1 or Check 2 from the Check Menu and press OK 3 Select the Set Indoor Unit by pressing and press OK This screen is NOT displayed w...

Page 178: ...d1 Stopping Cause State Indication 36 q2 Radiation Sensor Temp 1 16 E1 Times of Abnormality 37 q3 Motion Sensor 1 Reaction Rate 1 17 E2 Times of Power Failure 38 q4 Motion Sensor 2 Reaction Rate 1 18 E3 Times of Abnormal Transmitting 39 q5 Motion Sensor 3 Reaction Rate 1 19 E4 Times of Inverter Tripping 40 q6 Motion Sensor 4 Reaction Rate 1 20 F1 Louver Sensor State 41 q7 Setting Temp Collected Va...

Page 179: ...ory 01 03 Next Page Delete Rtrn Back 2008 10 28 PM02 10 01 01 22 2008 10 29 PM03 45 01 03 11 2008 11 06 AM11 37 01 02 14 2008 11 07 PM07 15 01 03 13 2008 11 07 PM11 55 01 01 29 Date Time I U ERR OK 4 To delete the alarm history press OK The FRQ UPDWLRQ VFUHHQ ZLOO EH GLVSOD HG Select Yes and press OK The alarm history is deleted and the screen will return to 3 above If No is pressed the screen wil...

Page 180: ... Check 2 Checking Check 3 Checking I U O U PCB Check 01 01 5 After completing the check the results of the PCB check will be indicated Press Back Help and return to 3 above Check 1 00 Check 2 00 Check 3 00 I U O U PCB Check 01 01 3 I U O U PCB Check Indoor Unit PCB Outdoor Unit PCB Normal Normal Abnormality of Inlet Air Temp Thermistor Abnormality of Transmission of Outdoor Unit Abnormality of Out...

Page 181: ... 12 34 Self Checking 4 LCD Test Press OK and the screen will change as shown at the right 0 2 0 0 0 Self Checking 5 Backlight Test LCD brightness is changed gradually by pressing OK 0 3 0 0 0 Self Checking 6 Contrast Test Contrast of the LCD gradually changes by pressing OK 7 Run Indicator Test 3UHVV 2 DQG WKH UXQ LQGLFDWRU ZLOO ÀDVK LQ UHG and green twice for each 8 Button Input Test Press the ni...

Page 182: ... Test The date and time is changed from 2012 03 04 12 34 to 2008 01 01 00 00 1 0 0 0 0 2008 01 01 00 00 Self Checking 13 EEPROM Test EEPROM Clearing Cancel Press help EEPROM Clear Press OK or wait 15 seconds EEPROM data will be cleared During the process the numbers will indicate the location with A If A has a value of 999 EEPROM is in a faulty condition If A has 999 the process does not proceed t...

Page 183: ... z 4 r d x 5 t f c 6 y g v 7 u h b 8 i 9 o k m j n l 0 p ABC abc Sym 1 Sym 2 Spce Del Fin Entr Fin Sel Letter p Electric Cor Menu 4 Press to select letters 3UHVV 2 WR FRQ UP WKH OHWWHUV 0D letters 6 Select Fin and press OK or simply press Menu 7 will be displayed 7 Repeat 3 through 5 to register contact information and continue 6HOHFW LQ DQG SUHVV 2 WKH FRQ UPDWLRQ VFUHHQ ZLOO EH GLVSOD HG OVR SUH...

Page 184: ...eck the locations of 7 segment and push switches 4 AC208 230V is applied to the PCB and electrical parts Never touch electrical parts and wires without appropriate personal protective equipment PPE when checking Ɣ RFDWLRQ RI 3XVK 6ZLWFKHV DQG 6HJPHQW LVSOD The push switches and 7 segment display are located on the PCB1 0 8 7 54 3 2 1 ON 1 2 3 4 ON 1 2 3 4 ON 1 2 3 4 ON 1 2 3 4 5 6 ON 1 2 3 4 5 6 O...

Page 185: ...on the Outdoor Unit 3 Auto addressing Starts Normal Case 1 The outdoor unit s on board 7 segment LED display is not indicated Abnormal Instance 2 The outdoor unit s on board 7 segment LED display indicates the following if there is something wrong A Alarm code will be displayed on the 7 segment LED display when an alarm is received from an indoor unit in normal mode As for the following alarm code...

Page 186: ...Mode and Optional Function Setting Mode should be according to the exhibit of External Input Output and Function Setting attached to the back side of the service cover Press PSW1 for once Press PSW1 more than 3 seconds Check Mode will begin To Cancel Checking B Connecting Information This information is indicated on Unit A No 0 only 3UHVV 36 ź WR PRYH IRUZDUG RU 36 Ÿ WR PRYH EDFNZDUG 7KH LQIRUPDWL...

Page 187: ...r MC1 Accumulated Operation Time of Compressor MC1 Accumulated Operation Time of Compressor MC2 Accumulated Operation Time of Compressor MC2 Compressor MC1 Current 1 Compressor MC2 Current 1 Fan Motor MOF1 Current 1 20 21 18 17 19 Inverter Fin Temperature 22 27 26 25 23 24 Discharge Pressure High Suction Pressure Low 10 12 Ambient Air Temperature Ta 7 8 11 9 Unit Hour Indication x 10 Hours Unit Ho...

Page 188: ...Inlet Temp Unit o F 6 Air Outlet Temp Unit o F 7 Unit Stoppage Cause Code Indoor Unit Stoppage Cause Code Indication Refer to Cause of Indoor Unit Stoppage Table E Cause of Alarm Code Information This information is indicated on Unit A No 0 only 3UHVV 36 ź WR PRYH IRUZDUG RU 36 Ÿ WR PRYH EDFNZDUG 7KH LQIRUPDWLRQ ZLOO EH LQGLFDWHG DOWHUQDWHO DV WHP ĺ HWDLOV Details of Indication Item 7 Segment Disp...

Page 189: ...ils SEG2 SEG1 1 Unit Accumulated Operation Time O U Accumulated Operation Time at Stoppage Unit Hour Indication x 10 Hours 2 Cause of Stoppage Alarm Stoppage Retry Stoppage Control Information 3 Alarm Stoppage Cause Code Alarm and Stoppage Cause Code O U No is indicated on 10 digit of SEG2 Compressor and fan controller No are indicated on one digit of SEG2 Alarm and stoppage code are indicated on ...

Page 190: ...des 2 Refer to 2 A Protection Control Code for details of the retry codes 3 Refer to 2 D and E for details of the iT codes and FT codes Indication of Stoppage Cause Item AC d1 c1 Contents Alarm Code Retry Stoppage Micro Computer Reset Alarm Retry Code Item Contents Seg2 Seg1 10th 1st Outdoor Unit No Compressor Fan Controller No Alarm Retry Code Abnormal Data Item Contents Remarks iT ITC In case of...

Page 191: ...sor Accumulated Time AC ż 22 Abnormality of thermistor for outdoor air temperature Accumulated Time AC ż 23 Abnormality of thermistor for discharge gas temp on top of compressor Accumulated Time AC ż ż 24 Abnormality of thermistor for outdoor unit heat exchanger liquid pipe Te Tchg Accumulated Time AC ż Thermistor Signal Te E Tchg C 25 Abnormality of thermistor for outdoor unit heat exchanger gas ...

Page 192: ...mulated Time AC ż ż FTC 5b Activation of overcurrent protection Accumulated Time AC ż ż FTC 5C Abnormality of fan controller sensor Accumulated Time AC ż ż FTC b5 Incorrect setting of indoor unit connection number Accumulated Time AC EE Compressor protection alarm Accumulated Time AC A1 Abnormality of Active Filter Accumulated Time AC ż d1 05 Instantaneous power failure Accumulated Time d1 d1 18 A...

Page 193: ...DQG 36 IRU YH VHFRQGV WR FOHDU WKH DODUP FRGH KLVWRU ZKLOH WKH KLVWRU GDWD LV displayed All history can be deleted PSW4 PSW2 PSW4 PSW2 PSW2 PSW4 PSW2 PSW4 PSW4 PSW2 PSW3 PSW5 In order to delete all the history press PSW1 and PSW3 for five seconds while history is displayed ...

Page 194: ...r PCB Communication Failure Loose Connector Wire Breaking Blown of Fuse Fan Controller Outdoor PCB Communication Failure Loose Connector Wire Breaking Blown of Fuse 05 Supply Phase Problem of Power Source Phases Incorrect Power Source Connection to Reversed Phase Open Phase 06 Voltage Abnormal Inverter Voltage Outdoor Voltage Drop Insufﬁcient Power Capacity 06 Abnormal Fan Controller Voltage Outdo...

Page 195: ...ction Device Overload Operation Clogging Short Pass Pipe Clogging Excessive Refrigerant Inert Gas Mixing 47 Activation of Low Pressure Decrease Protection Device Vacuum Operation Protection Insufﬁcient Refrigerant Refrigerant Piping Clogging Expansion Valve Locking at Open Position Loose Connector 48 Activation of Inverter Overcurrent Protection Device Overload Operation Compressor Failure 51 Sens...

Page 196: ...ease 32 Retry due to Abnormal Transmission of Outdoor Unit 13 Retry due to High Pressure Increase 36 Retry after Defrosting Operation 14 Retry due to Abnormal Current of Constant Speed Compressor 39 Stoppage of Thermo OFF due to Energy Saving Control 15 Retry due to Vacuum Abnormality Discharge Gas Temp Increase Code Cause 1 Driver IC Error Signal Detection 2 Instantaneous Overcurrent 3 Fin Temp I...

Page 197: ...than eight hours Going beyond that may damage the unit Â3 The emergency operation can be SHUIRUPHG ZKHQ WKH VSHFL HG DODUP code occurs Refer to the following Failed Outdoor Unit Even if one unit fails the others can be operated continuously 2 Compressor Compressor Compressor x Â Following these alarm codes emergency operation is possible 1 Inverter Compressor Failure 06 Abnormality of Inverter Vol...

Page 198: ...erter Error Signal Detection 54 Abnormality of Inverter Fin Temperature 55 Inverter Failure Alarms Corresponding to Fixed Speed Compressor Failure 23 Abnormality of Discharge Gas Thermistor 39 Abnormality of Running Current at Fixed Speed Compressor a Procedures 1 Turn OFF all the main switches of the outdoor and indoor units 2 If the inverter compressor is faulty disconnect the wiring U V W of th...

Page 199: ...eously the stoppage cause is supposed to be d1 30 Â2 4 Turn ON the power supply 5 Start the operation with the wired controller PROCEDURE REMINDERS Measure the insulation resistance of the malfunctioning compressor Do not perform the emergency operation when the insulation resistance is 0 The other compressors may be damaged because there is a possibility that refrigerant oil is oxidized In this e...

Page 200: ... This operation is a temporary emergency operation when the inverter compressor is damaged Therefore replace it with the new one as soon as possible Turn OFF DSW5 No 1 and No 2 of the outdoor unit PCB after replacing the compressor If this setting is not performed the inverter compressor will be damaged b Operation Condition Indoor Unit Operation Capacity The compressor is forced to stop for compr...

Page 201: ...because there is a possibility that refrigerant oil is oxidized In this emergency operation compressor frequency cannot be controlled normally Therefore an alarm code 07 43 44 45 or 47 may be indicated on the LCD 7KLV HPHUJHQF RSHUDWLRQ PD QRW SURYLGH VXI FLHQW FRROLQJ DQG KHDWLQJ FDSDFLW 7KLV RSHUDWLRQ LV D WHPSRUDU HPHUJHQF RSHUDWLRQ ZKHQ WKH HG VSHHG FRPSUHVVRU LV GDPDJHG Therefore replace it w...

Page 202: ...the Indoor Unit Having Trouble 6 Indoor Unit Model 2 3 7 Outdoor Unit Model 2 3 1 If two or more indoor units having trouble are connected to the wired controller the indicated indoor unit is selectable 2 The initial of model names are indicated as T These T shall be replaced with H or Y Except for the wall mount model When there is a combination of outdoor units ODU indication is the model of the...

Page 203: ...een 1 and 2 of CN14 on the I U PCB is opened for over 120 seconds during the cooling dry fan or heating operation I U PCB Indoor Unit PCB Turn OFF power supply and remove connectors CN36 and CN14 on I U PCB Then turn ON power supply Is DC12 5 13 5V applied between CN36 terminals Turn OFF power supply and connect connector CN14 on I U PCB Then turn ON power supply Is voltage applied between CN36 te...

Page 204: ... resistance with a tester Measure resistance with a tester Measure voltage between CN36 terminals with a tester Check connection Check connection High Drain Level Clogging of Drainage Up Slope Condensate Piping Remove foreign particles clogging condensate pipe Replace float switch if faulty Replace condensate pump if faulty Replace and tighten connector Replace and tighten connector Repair connect...

Page 205: ... This alarm code is indicated when the high pressure switch PSH is activated during the compressor operation Y52C is turned ON O U PCB Outdoor Unit PCB 2 CMC Voltage and Number of Pressure Switch Is CMC1 ON when starting Does CMC1 turn ON for more than three seconds Yes No Normal O U PCB Is the voltage between PCN2 1 and faston terminal S1 on O U PCB correct 2 during LED ON Yes Is the protective d...

Page 206: ...ck for dust on air filter Remove dust Check for any obstacles at inlet or outlet of heat exchanger Remove obstacles Check service space is sufficient Secure sufficient service space Check fan motor speed Outdoor Fan Cooling Indoor Fan Heating Replace fan motor if faulty Insufficient Airflow to Heat Exchanger Outdoor Heat Exchanger during Cooling Operation or Indoor Heat Exchanger during Heating Op...

Page 207: ...oor units and outdoor units The abnormal condition continues for 30 seconds even after the micro computer is automatically reset If communication failure occurs from the beginning the alarm code is displayed after 30 seconds from start up Power Supply Faston Terminal Voltage 208 230V 60Hz 208 230V 460V 60Hz 220V 2 Correct Voltage Is LED3 yellow on O U PCB ON No No Yes Yes Yes Is DSW10 1P Terminati...

Page 208: ... units or fuse EF for I U O U PCB No Yes No Does Alarm occur with all indoor units Yes No Check other indoor units No No Is LED3 yellow ON even if connector CN2 on I U PCB is removed Yes Yes Indoor Unit Does refrigerant system No setting between O U and I U correspond O U DSW4 and RSW1 I U DSW5 and RSW2 Yes Set it correctly No for wall mounted Is SW1 of PCB set to Nonpolar Setting 2 O U PCB Outdoo...

Page 209: ...replace fuse Short Circuit to Ground Disconnected Wires Contact Failure or Incorrect Connection Check continuity of wires Check for looseness of connection screws Check terminal Nos Replace and repair wires tighten screws or correct wires Between Outdoor Unit and Indoor Unit Power Source Wiring for Outdoor Unit Measure resistance of coil Replace magnetic switch CMC and fuse Faulty Solenoid Coil fo...

Page 210: ...en CN2 is reconnected 3 12VDC between VCC12 and GND2 5VDC between VCC05 and GND1 12VDC between VCC12 and GND1 15VDC between VCC15 and GND1 24VDC between VCC24 and GND1 12VDC between VCC12T and GND1 2 Communication setting for the wall mounted SW1 Item Setting Position SW1 Side SW1 for communication on the indoor unit PCB is set to by default No setting is required for SW1 If it is set to alarm 03 ...

Page 211: ...the fan controller is turned ON Yes The connections between inverter PCB and reactor DCL smoothing condenser CB contactor for compressor CMC are correct Also other connections for inverter PCB are correct Check limiting resistance of incoming current Check the part according to the alarm code as follows 04 Check Wiring between O U PCB and Inverter PCB 1 04 Check Wiring between Inverter PCB and Fan...

Page 212: ...Check connection Repair wiring connection Replace PCB if faulty Replace power fuse power transistor and diode module Replace incoming current limit resistance Between O U PCB Inverter PCB and Fan Controller Disconnected Wires Contact Failure or Incorrect Connection Check continuity of wires Check for loose screw connections Check connection No Replace or repair wires tighten screws or correct wire...

Page 213: ...r source No Open Phase Is there any phase not connected No Yes O U PCB is normal O U PCB is normal O U PCB is normal Voltage for unit to be suspended Running Voltage B V Starting Voltage Less than A V Abnormality with Power Source Is there any excessive voltage decrease at power source Yes Correctly connect each phase of power source Faulty O U PCB No Reverse Phase Connection Yes Cause Check Item ...

Page 214: ...apacitors A Restart operation Check wiring and wire sizes Connect it correctly Replace capacitors Capacitors have high voltage Be careful 1 Yes Yes Yes Check the wiring the transistor module and capacitors A 2 If the wiring is correct replace the transistor module Yes Yes Normal Normal Fault Abnormal Loose Wiring Change of Color Frequency can increase higher than 60Hz Compressor stops immediately ...

Page 215: ...s No No No In case of 208 230V 60Hz Is the power supply voltage 208V 10 or 230V 10 In case of 460V 60Hz Is the power supply voltage 460V 10 In case of 208 230V 60Hz Is the power supply voltage more than 177V In case of 460V 60Hz Is the power supply voltage more than 391V Is connection correct at fan controller Does LED201 on fan controller ON Connect it correctly Yes Fan revolution can increase hi...

Page 216: ...e under 18o F 10o C Yes Check the high pressure compressor discharge gas temperature and calculate superheat value by O U PCB Remove sudden fluctuation of load like short path by discharge air from the outdoor unit or the cause of frequent thermo ON OFF Faulty Thermistor No No Is the thermistor installed correctly on the compressor Yes Install it correctly No Was it at cooling or heating mode when...

Page 217: ...on Check connections Replace O U PCB and check operation Faulty O U PCB Failure Replace O U PCB if faulty Repair wiring connection Disconnected Wires for Expansion Valve Control Check ref cycle and electrical system Repair wiring correctly Ref cycle does not match electrical system Check operating pressures Charge correct amount of refrigerant Overcharged Refrigerant Check expansion valve Refer to...

Page 218: ...rge gas temperature is over 270o F 132o C Failure of Thermistor No No Is thermistor installed correctly on the compressor Yes Install it correctly No Is it at cooling or heating mode when alarm has occurred Is amount of refrigerant correct Is there refrigerant leak Yes Yes Yes Yes Yes Yes Cooling Check O U PCB if compressor discharge gas temperature is over 270o F 132o C Heating Operation Cooling ...

Page 219: ...heck connection Tighten replace connectors or repair connection Incorrect Wiring Check connection Replace O U PCB and check operation Faulty O U PCB Failure Replace O U PCB if faulty Repair wiring connection Disconnected Wires for Expansion Valve Check ref cycle and electrical system Repair wiring Ref cycle does not match electrical system Check pressures Charge correct amount of refrigerant Under...

Page 220: ...ting line between outdoor unit A and outdoor unit B connected to H LINK communication terminal Is operating line between outdoor unit A and outdoor unit C connected to H LINK communication terminal Is operating line between outdoor unit and another outdoor unit connected INCORRECTLY Correctly connect wiring between outdoor unit and another outdoor unit and reset the power supply Abnormality of O U...

Page 221: ... Outdoor Unit Incorrect Setting of Main Outdoor Unit No Yes No Yes No Yes Is DSW6 setting for outdoor units B and C correct DSW6 outdoor unit address setting Set DSW6 correctly for outdoor units B and C and reset the power supply Are four or more outdoor units connected to communication terminal between outdoor units Correctly connect operating line between outdoor unit and another outdoor unit an...

Page 222: ...Nȍ RU PRUH RI the thermistor is detected during a heating or cooling operation The operation automatically restarts when the malfunction is removed Yes Yes Connect them No Failure of Thermistor Failure of I U PCB No Is thermistor THM1 for inlet air temp connected to THM1 of I U PCB Is resistance of THM1 between 0 24kΩ and 840kΩ Cause Check Item Action Turn OFF Main Switch Event Failure of Inlet Ai...

Page 223: ...GLVFRQQHFWLRQ Nȍ RU PRUH RI the thermistor is detected during a heating or cooling operation The operation automatically restarts when the malfunction is removed Yes Connect them No Refer to Alarm Code 11 for thermistor resistance Failure of I U PCB Is thermistor THM2 for outlet air temp connected to THM2 of I U PCB Yes Failure of Thermistor No Is resistance of THM2 between 0 24kΩ and 840kΩ Cause ...

Page 224: ...V RU GLVFRQQHFWLRQ Nȍ RU PRUH RI the thermistor is detected during a heating or cooling operation The operation automatically restarts when the malfunction is removed Yes Connect them No Refer to Alarm Code 11 for thermistor resistance Is thermistor THM3 for freeze protection connected to THM3 of I U PCB Yes No Is resistance of THM3 between 0 24kΩ and 840kΩ Failure of I U PCB Failure of Thermistor...

Page 225: ...e thermistor is detected during a heating or cooling operation The operation automatically restarts when the malfunction is removed Refer to Alarm Code 11 for thermistor resistance Yes Yes Connect them No Failure of Thermistor Failure of I U PCB No Is thermistor THM5 for gas pipe connected to THM5 of I U PCB Is resistance of THM5 between 0 24kΩ and 840kΩ Cause Check Item Action Turn OFF Main Switc...

Page 226: ...thermistor resistance Failure of I U PCB Yes Failure of Thermistor No Is resistance of THM4 for Outside Air Temperature between 0 24kΩ and 840kΩ Alarm Code Abnormality of Thermistor for Outside Air Temperature for Ducted Medium Static with EconoFresh Kit Cause Check Item Action Turn OFF Main Switch Event Failure of Outlet Air Thermistor Check resistance Replace thermistor if faulty Failure Check w...

Page 227: ...ailure of I U PCB Is thermistor THM4 connected to THM4 of I U PCB Remote Thermistor Set Thermistor for Controller setting at Function Setting by Controller Thermistor for Controller Is I U air temperature detected by Remote Thermistor THM4 or Thermistor for Controller Yes Failure of Thermistor No Is resistance of THM4 between 0 24kΩ and 840kΩ Cause Check Item Action Turn OFF Main Switch Event Fail...

Page 228: ...K RI WKHUPLVWRUV DUH IDLOXUH WKLV DODUP FRGH LV GLVSOD HG For this reason when both Remote Thermistor THM4 and Thermistor for Controller are using and this alarm code is displayed means both of Thermistor are failure As for Remote Thermistor THM4 follow the previous page Alarm Code 16 Abnormality of Remote Thermistor DOAS for checking Refer to Alarm Code 11 for thermistor resistance Failure of I U...

Page 229: ...CC13 and GND 13 1V 10 Normal Voltage DC311 339V No Failure of Fan Motor Replace Fan Motor Yes Failure of I U PCB Failure of Fan Motor Is speed pulse signal to I U PCB sent correctly 6 Replace I U PCB Replace Fan Motor No Does Fan Motor run Yes 5 6 6 Start the operation with CN1 on I U PCB connected It functions normally if several volts are generated between No 2 pin of PC4 and VDC check point NOT...

Page 230: ...e Check whether the resistance value is over or not according to the table shown below When performing the second measuring make sure to change the tester Red Black 1st 2nd Decision Basis Tester Resistance Value Tester Resistance Value Resistance values of both 1st and 2nd measurings are over 10 Red Black Red Black FG GND GND FG Vsp GND GND Vsp Vcc GND GND Vcc Vdc GND GND Vdc Ɣ DPSOH RI D DVVHWWH ...

Page 231: ... Failure of I U PCB2 Failure of Fan Motor Failure of I U PCB2 1 Abnormal voltage is supplied for fan motor Is LED1 on I U PCB2 OFF 1 Check connectors PCN201 and CN201 on I U PCB2 No No Yes Does fan motor run Replace I U PCB2 Replace Fan Motor Replace I U PCB2 Replace Fan Motor Yes Yes Occurrence of Alarm Code 19 Normal Voltage DC 280V Failure of Fan Motor No Check that 208 230V is applied between ...

Page 232: ...Red Black Red Black PG GND GND PG Vsp GND GND Vsp Vcc GND GND Vcc Vm GND GND Vm CN201 PCN201 PCB2 LED1 2 PG Blue 3 Vsp Yellow 4 Vcc White 5 GND Black 8 Vdc Red Connector for Fan Motor Checking for Fan Motor Remove the connector of the fan motor and measure the resistance value between each of the pins twice Check whether the resistance value is over or not according to the table shown below When p...

Page 233: ...r Yes Yes No Occurrence of Alarm Code 19 4 Measure the voltage of the following check points with a tester Between VCC05 and GND 5V 4 Between VCC13 and GND 13 1V 10 Normal Voltage DC280V No Failure of Fan Motor Replace Fan Motor Yes Failure of I U PCB Failure of Fan Motor Is speed pulse signal to I U PCB sent correctly 6 Replace I U PCB Replace Fan Motor No Does Fan Motor run Yes 5 6 6 Start the o...

Page 234: ...e the resistance value between each of the pins twice Check whether the resistance value is over or not according to the table shown below When performing the second measuring make sure to change the tester Red Black 1st 2nd Decision Basis Tester Resistance Value Tester Resistance Value Resistance values of both 1st and 2nd measurings are over 10 Red Black Red Black FG GND GND FG Vsp GND GND Vsp V...

Page 235: ...ndoor Unit Fan Motor Yes Yes Yes Yes Replace motor No No No Repair wiring and connection No Replace motor No Yes Does indoor fan run Is fan motor hot Is there continuity at the internal thermostat of indoor fan motor Is connection bad at connector Is coil resistance of fan motor normal Check indoor temperature If it is unusual take suitable action to reduce it O 7KH 581 LQGLFDWRU UHG ÀDVKHV O The ...

Page 236: ...and 3 of connector CN7 of O U PCB Yes Yes Is voltage under 0 1 VDC or over 4 9VDC between 2 and 3 of connector CN7 of O U PCB Is access port clogged Failure of high pressure sensor Connect it correctly Failure of O U PCB Yes No No No No Failure of O U PCB Replace access port Yes 2 8 3 2XWGRRU 8QLW 3 Cause Check Item Action Turn OFF Main Switch Event Failure of Thermistor on Top of Compressor Check...

Page 237: ... XQLW 3 FHSW IRU VRPH PRGHOV 7KLV DODUP FRGH LV GLVSOD HG ZKHQ D VKRUW FLUFXLW Nȍ RU OHVV RU GLVFRQQHFWLRQ Nȍ RU PRUH RI WKH WKHUPLVWRU LV GHWHFWHG GXULQJ RSHUDWLRQ Yes Yes Connect them No No Is thermistor THM7 connected to THM7 Ta color red of O U PCB Is resistance of THM7 between 0 2kΩ and 840kΩ Failure of Thermistor Failure of O U PCB Cause Check Item Action Turn OFF Main Switch Event Failure o...

Page 238: ...N WKH DODUP FRGH KLVWRU FHSW IRU VRPH PRGHOV 7KLV DODUP FRGH LV GLVSOD HG ZKHQ D VKRUW FLUFXLW IRU RQH PLQXWH Nȍ RU OHVV RU GLVFRQQHFWLRQ Nȍ RU PRUH RI WKH WKHUPLVWRU LV GHWHFWHG IRU D VHFRQG WLPH GXULQJ RSHUDWLRQ Alarm RGH EQRUPDOLW RI 7KHUPLVWRU IRU LVFKDUJH DV 7HPSHUDWXUH RQ WKH 7RS RI RPSUHVVRU Cause Check Item Action Turn OFF Main Switch Event Faulty Discharge Gas Thermistor Check resistance ...

Page 239: ...P LV GLVSOD HG ZKHQ D VKRUW FLUFXLW Nȍ RU OHVV RU GLVFRQQHFWLRQ Nȍ RU PRUH RI WKH WKHUPLVWRU LV GHWHFWHG IRU HLJKW PLQXWHV GXULQJ RSHUDWLRQ Alarm RGH EQRUPDOLW RI 7KHUPLVWRU IRU YDSRUDWLQJ 7HPSHUDWXUH GXULQJ HDWLQJ 2SHUDWLRQ 2XWGRRU 8QLW YDSRUDWLQJ 7KHUPLVWRU Cause Check Item Action Turn OFF Main Switch Event Failure of Thermistor for Evaporating Temperature during Heating Check resistance Replace...

Page 240: ...G RQ WKH VHJPHQW GLVSOD RI WKH RXWGRRU XQLW 3 RU D FRPELQDWLRQ RI RXWGRRU XQLWV WKH DODUP FRGH LV GLVSOD HG RQ WKH 3 RI RXWGRRU 8QLW GGLWLRQDOO IRU WKH RXWGRRU XQLW QXPEHU DQG FRPSUHVVRU QXPEHU ZLWK DQ DEQRUPDO WKHUPLVWRU FKHFN WKH DODUP FRGH KLVWRU FHSW IRU VRPH PRGHOV 7KLV DODUP LV GLVSOD HG ZKHQ D VKRUW FLUFXLW Nȍ RU OHVV RU GLVFRQQHFWLRQ Nȍ RU PRUH RI WKH WKHUPLVWRU LV GHWHFWHG IRU HLJKW PLQXW...

Page 241: ...ssure Sensor Check output voltage is correct Replace pressure sensor if faulty Failure Indicated Value of Pressure Value is Excessively High or Low Check for clogging of check joint Replace check joint Malfunction of Pressure Sensor due to Faulty Check Joint Check wiring to O U PCB Repair wiring and connection Incorrect Connection Replace O U PCB and check operation Replace O U PCB if faulty Fault...

Page 242: ... LQGRRU XQLW FDSDFLW UDWLR RI RXWGRRU XQLW Alarm RGH QFRUUHFW DSDFLW 6HWWLQJ RI QGRRU 8QLW DQG 2XWGRRU 8QLW Cause Check Item Action Turn OFF Main Switch Event Check combination of indoor units and capacity setting of I U PCB Correctly set DIP switch DSW3 Incorrect Capacity Setting of Indoor Unit Check outdoor unit model by calculating total indoor units capacity Ensure that total indoor unit capac...

Page 243: ...RQGLWLRQ FRQWLQXHV IRU VHFRQGV DIWHU QRUPDO FRPPXQLFDWLRQ EHWZHHQ RXWGRRU XQLWV DQG DOVR WKH DEQRUPDO FRQGLWLRQ FRQWLQXHV IRU VHFRQGV HYHQ DIWHU WKH PLFUR FRPSXWHU LV DXWRPDWLFDOO UHVHW Is LED1 on PCB of outdoor unit B or C turned ON Is operating line between outdoor units loose or disconnected No No Turn ON power supply Replace PCB of outdoor unit B or C Correctly connect operating line between o...

Page 244: ...DODUP FRGH LV GLVSOD HG YH PLQXWHV DIWHU SRZHU RQ RI WKH RXWGRRU XQLW LI WKH LQGRRU XQLW QXPEHU VHW E 6 DQG 56 GXSOLFDWHV LQ WKH VDPH UHIULJHUDQW JURXS Alarm RGH QFRUUHFW QGRRU 8QLW 1R 6HWWLQJ Alarm RGH QFRUUHFW QGRRU 8QLW RPELQDWLRQ O 7KH 581 LQGLFDWRU UHG ÀDVKHV O 7KH LQGRRU XQLW QXPEHU UHIULJHUDQW F FOH QXPEHU DGGUHVV QXPEHU WKH DODUP FRGH WKH PRGHO FRGH 1 WKH PRGHO QDPH 1 DQG WKH QXPEHU RI FRQ...

Page 245: ... 9 LV QRW GHWHFWHG LQ GXULQJ LQYHUWHU FRPSUHVVRU VWRSSDJH Alarm RGH EQRUPDOLW RI 3LFNLQJ XS LUFXLW IRU 3URWHFWLRQ LQ 2XWGRRU 8QLW Faulty O U PCB No No Is AC208V or 230V applied to A during stoppage Are connections for PSH loose Yes Check wiring connections Yes Faulty PSH 2 8 3 2XWGRRU 8QLW 3 Faulty Step Down Transformer TF No No Is AC220V output from secondary terminals of step down transformer TF...

Page 246: ...cking up Circuit for Protection Alarm Code History 02 and 09 before 38 Refer to Alarm Code 02 and 09 Starting Outdoor Unit at Activation of Picking up Circuit for Protection Failure of O U PCB Replace O U PCB 7KLV DODUP FRGH PD EH LQGLFDWHG ZKHQ WKH KLJK SUHVVXUH VZLWFK 36 LV FRQQHFWHG LQFRUUHFWO RU IDLOV RSHQ IDXOW 7KH LWHP IRU DODUP FRGH VKRXOG EH FKHFNHG DV ZHOO VSHFLDOO FKHFN WKH ZLULQJ FRQQHF...

Page 247: ...W RI WKH HG VSHHG FRPSUHVVRU LV RU H FHHGV WKH RYHUFXUUHQW OLPLW GXULQJ WKH RSHUDWLRQ DOO WKH FRPSUHVVRUV VWRS 7KH RSHUDWLRQ DXWRPDWLFDOO UHVWDUWV DIWHU WKUHH PLQXWHV I WKLV RFFXUV DJDLQ LQ WKH VDPH FRPSUHVVRU WZLFH LQ WKH QH W PLQXWHV WKLV DODUP FRGH LV GLVSOD HG Alarm RGH EQRUPDOLW RI 5XQQLQJ XUUHQW DW L HG 6SHHG RPSUHVVRU Connect it correctly No No Yes Yes Yes Yes Is CMC2 turned ON Does fixed s...

Page 248: ...er Source Excessively Large Running Current of Compressor Motor Adjust voltage between each phase Excessively High Discharge Pressure Operate within 208 230V 10 460V 10 Check causes Overcurrent of Compressor Motor Locked up Replace compressor Failure of Compressor Bearing Loose Screws for Power Source Single Phase Operation Tighten screws Deterioration of Contact of Magnetic Switch for Compressor ...

Page 249: ...B correctly DSW2 DSW3 DSW6 DSW7 DSW10 Yes Yes No Correctly connect the operating line and reset the power source No O 7KH 581 LQGLFDWRU 5HG ÀDVKHV O 7KH LQGRRU XQLW QXPEHU 5HIULJHUDQW 6 VWHP 1R GGUHVV 1R WKH DODUP FRGH WKH PRGHO FRGH 1 WKH PRGHO QDPH 1 DQG WKH QXPEHU RI FRQQHFWHG LQGRRU XQLWV DUH GLVSOD HG RQ DQG WKH LQGRRU XQLW QXPEHU DQG WKH DODUP FRGH DUH GLVSOD HG RQ WKH VHJPHQW RI RXWGRRU XQL...

Page 250: ...WLRQ WR RXWGRRU 8QLW RU LV 127 SURYLGHG IRU VHFRQGV ODUP FRGH ZLOO EH GLVSOD HG ZKHQ FRPPXQLFDWLRQ WR DOO WKH RXWGRRU XQLWV FRQQHFWHG WR WKH FRPPXQLFDWLRQ WHUPLQDOV EHWZHHQ RXWGRRU XQLWV LV 127 SURYLGHG Is LED1 turned ON on PCB of outdoor unit B or C Is operating line between outdoor units loose or disconnected No No Turn ON the power source Replace the PCB of outdoor unit B or C Correctly connect...

Page 251: ...O FRGH VHWWLQJ RI WKH RXWGRRU XQLW LV FRQQHFWHG WR WKH WHUPLQDOV EHWZHHQ WKH RXWGRRU XQLWV FRPPXQLFDWLRQ WHUPLQDO 7 1R DQG WHUPLQDOV RQ WKH 3 IRU WKH RXWGRRU XQLW FRPELQDWLRQ Has PCB of outdoor unit A B or C been replaced Is the operating line between PCB1 and PCB2 connected correctly Set following DIP switches of replaced O U PCB correctly DSW2 DSW3 DSW6 DSW7 DSW10 No Yes No There is an incorrect...

Page 252: ...ssure sensor or low pressure sensor if faulty Check compressor and power cable Check inverter Replace reversing valve if faulty No No No No Is there a leak in solenoid valve for Hot Gas Bypass SVA Yes No Yes Replace solenoid valve SVA if faulty Yes FWLYDWLRQ RI RZ RPSUHVVLRQ 5DWLR 3URWHFWLRQ HYLFH Cause Check Item Action Turn OFF Main Switch Event Excessively Decrease Low Compression Ratio Check c...

Page 253: ...normal Check that indoor outdoor intake air temperature is not too high No No Yes Yes Is the reversing valve internal slide not fully shifted Replace low pressure sensor if faulty Replace solenoid valve SVA if faulty Replace reversing valve if faulty No Yes Cause Check Item Action Turn OFF Main Switch Event Excessively Increase Low Suction Pressure Check outlet pipe temp of solenoid valve SVA Chec...

Page 254: ...osed No No Yes Yes Correctly connect it Check the outdoor electronic expansion valve during cooling and the indoor electronic expansion valve during heating Yes Check that indoor outdoor intake air temperature is not too high FWLYDWLRQ RI LJK 3UHVVXUH QFUHDVH 3URWHFWLRQ HYLFH Cause Check Item Action Turn OFF Main Switch Event Excessively High Discharge Pressure Check stop valve Open stop valve Clo...

Page 255: ...Yes Are electronic expansion valves fully closed and locked Check connection of connectors O U PCB and electronic expansion valves Replace them if faulty No Yes O 7KH 581 LQGLFDWRU UHG ÀDVKHV O 7KH LQGRRU XQLW QXPEHU UHIULJHUDQW F FOH QXPEHU DGGUHVV QXPEHU WKH DODUP FRGH WKH PRGHO FRGH 1 WKH PRGHO QDPH 1 DQG WKH QXPEHU RI FRQQHFWHG LQGRRU XQLWV DUH GLVSOD HG RQ WKH 7KH LQGRRU XQLW QXPEHU DQG WKH D...

Page 256: ...or if faulty Faulty Outdoor Fan Motor Check charged ref volume or check for leakage Repair leakage and correctly charge ref Shortage of Refrigerant Check electrical system and ref cycle Correctly connect indoor unit and outdoor unit Incorrect Connection between Indoor Unit and Outdoor Unit Check connector for O U PCB Replace pressure sensor if faulty Abnormal Low or High Pressure Sensor Check stop...

Page 257: ... LQGRRU XQLW QXPEHU DQG WKH DODUP FRGH DUH GLVSOD HG RQ WKH VHJPHQW GLVSOD RI WKH RXWGRRU XQLW 3 KHFN WKH LQYHUWHU VWRSSDJH FRGH ZKHQ WKLV DODUP FRGH LV GLVSOD HG FHSW IRU VRPH PRGHOV 7KLV DODUP FRGH LV GLVSOD HG ZKHQ WKH LQYHUWHU HOHFWURQLF WKHUPDO SURWHFWLRQ LV DFWLYDWHG VL WLPHV ZLWKLQ PLQXWHV I WKLV RFFXUV OHVV WKDQ VL WLPHV LQ PLQXWHV WKH RSHUDWLRQ LV DXWRPDWLFDOO UHWULHG RQGLWLRQV RI FWLYDWL...

Page 258: ... more during operation when other devices are operating In case of 460V 60Hz Is it 391V or more during operation when other devices are operating 1 Turn OFF power and disconnect U V W from compressor terminals Turn ON 1 of DSW1 on inverter PCB to cancel 0A detection and restart Does it trip O 7KH 581 LQGLFDWRU UHG ÀDVKHV O 7KH LQGRRU XQLW QXPEHU UHIULJHUDQW F FOH QXPEHU DGGUHVV QXPEHU WKH DODUP FR...

Page 259: ... 9 LV RU OHVV 7KH ZDYH KHLJKW YDOXH RI UXQQLQJ FXUUHQW IRU WKH SKDVH SRVLWLRQLQJ LV OHVV WKDQ EHIRUH WKH FRPSUHVVRU VWDUWV DW WKH HQG RI WKH SKDVH SRVLWLRQLQJ 3 DSSHDUV RQ VHJPHQW GLVSOD RI WKH RXWGRRU XQLW 3 RU WKH PDLQWHQDQFH DQG UHSODFHPHQW RI LQYHUWHU 3 SHUIRUP WKH KLJK YROWDJH GLVFKDUJH ZRUN DFFRUGLQJ WR 6HFWLRQ 5HIHU WR 6HFWLRQ IRU GHWDLOV RI FKHFNLQJ SURFHGXUHV RI WUDQVLVWRU PRGXOH G Is out...

Page 260: ...GH QYHUWHU UURU 6LJQDO HWHFWLRQ Yes Yes Faulty Turn OFF power disconnect U V W from compressor terminals and restart operation Is protecting function activated 3 Check transistor module 1 2 Normal No Is heat exchanger of outdoor unit clogged Replace inverter PCB 1 Remove clogging or replace heat exchanger Replace transistor module 1 2 Yes Yes Is silicon grease applied all over contact surface of t...

Page 261: ...KH LQYHUWHU 3 UHG 2 DSSUR LPDWHO YH PLQXWHV DQG WXUQ LW 21 DJDLQ 7KHVH UHIHUHQFHV DUH IURP SUHYLRXV SDJH Is expansion valve of I U open locked in cooling operation Is expansion valve of O U open locked in heating operation Is supply voltage AC 208 230V 10 or AC 460V 10 Is refrigerant overcharged Is discharge pressure high Yes Check capacity and wiring of power source Check stop valves and expansio...

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Page 264: ...LHG RQGLWLRQV RI FWLYDWLRQ QYHUWHU 3 GRHV QRW RSHUDWH QRUPDOO Alarm RGH QYHUWHU DLOXUH KHQ DQ H FHVVLYH VXUJH FXUUHQW LV DSSOLHG WR WKH XQLW GXH WR OLJKWQLQJ RU RWKHU FDXVHV WKLV DODUP FRGH RU WKH LQYHUWHU VWRSSDJH FRGH 7 ZLOO EH LQGLFDWHG DQG WKH XQLW FDQQRW EH RSHUDWHG Q WKLV FDVH FKHFN WKH VXUJH DEVRUEHU VXUJH DUUHVWHU 6 RQ WKH QRLVH OWHU 1 1 7KH VXUJH DEVRUEHU PD EH GDPDJHG LI WKH LQQHU VXUIDF...

Page 265: ...RQWURO YROWDJH GHFUHDVHV 127 KHQ DQ H FHVVLYH VXUJH FXUUHQW LV DSSOLHG WR WKH XQLW GXH WR OLJKWQLQJ RU RWKHU FDXVHV WKLV DODUP FRGH RU WKH LQYHUWHU VWRSSDJH FRGH 7 ZLOO EH LQGLFDWHG DQG WKH XQLW FDQQRW EH RSHUDWHG Q WKLV FDVH FKHFN WR HQVXUH WKH VXUJH DEVRUEHU VXUJH DUUHVWHU 6 RQ WKH QRLVH OWHU 1 1 7KH VXUJH DEVRUEHU PD EH GDPDJHG LI WKH LQQHU VXUIDFH RI WKH VXUJH DEVRUEHU LV EODFN Q WKDW FDVH UHS...

Page 266: ... VWRSV DQG WKLV DODUP FRGH LV GLVSOD HG I WKLV RFFXUV OHVV WKDQ WLPHV LQ PLQXWHV WKH RSHUDWLRQ DXWRPDWLFDOO UHVWDUWV 8VH WKH VLOLFRQ JUHDVH SURYLGHG DV DQ DFFHVVRU 6HUYLFH 3DUWV 1R 3 ZKHQ UHSODFLQJ FRPSRQHQWV R 1RW UH XVH ROG VLOLFRQ JUHDVH RU WKH PDLQWHQDQFH DQG UHSODFHPHQW RI WKH IDQ FRQWUROOHU SHUIRUP WKH KLJK YROWDJH GLVFKDUJH ZRUN DFFRUGLQJ WR 6HFWLRQ Yes No Is heat exchanger of outdoor unit ...

Page 267: ...V RQGLWLRQV RI FWLYDWLRQ OHFWULF FXUUHQW ZLWK RI WKH UDWHG FXUUHQW UXQV IRU VHFRQGV FRQWLQXRXVO OHFWULF FXUUHQW UXQV LQWHUPLWWHQWO DQG WKH DFFXPXODWHG WLPH UHDFKHV XS WR WKUHH PLQXWHV LQ PLQXWHV 5HJDUGLQJ WKH VHWWLQJ YDOXH RI DFWLYDWLRQ FXUUHQW UHIHU WR 6HFWLRQ RU WKH PDLQWHQDQFH DQG UHSODFHPHQW RI IDQ FRQWUROOHU SHUIRUP WKH KLJK YROWDJH GLVFKDUJH ZRUN DFFRUGLQJ WR 6HFWLRQ Which is cause of stoppa...

Page 268: ...6HFWLRQ Is fan motor running current same as rated current 2 Restart operation Does it trip soon Yes Yes Yes Yes It trips No No No No No It trips immediately Check fan motor Check fan motor Is there any cause of instantaneous voltage drop It trips occasionally It trips after a certain period Replace fan controller 1 Replace fan controller 1 Check fan controller 1 Normal Replace fan controller 1 Fa...

Page 269: ... Protection Device in Outdoor Unit 07 Decrease in Discharge Gas Superheat 08 Increase in Discharge Gas Temperature 39 Abnormality of Running Current at Fixed Speed Compressor 43 Activation of Low Compression Ratio Protection Device 44 Activation of Low Pressure Increase Protection Device 45 Activation of High Pressure Increase Protection Device 47 Activation of Low Pressure Decrease Protection Dev...

Page 270: ...N Indicator and LCD are ON However the system does not operate example Indoor outdoor fans or compressor do not operate The Comp does not Stop or Start even if the temperature setpoint on the LCD is Changed 3 Measure insulation resistance Burned Out Coil Measure coil resistance with tester Replace outdoor unit fan motor Failure of Outdoor Unit Fan Motor Disconnected Coil Measure insulation resista...

Page 271: ...alities of Devices Other Abnormalities Incorrect Optional Setting The Comp does not stop or start even if the temperature setpoint on the LCD is changed 3 Check Setting Condition of Thermistor of Wired Controller with Optional Setting Setting and Control 00 Control by Indoor Thermistor for Suction Air 01 Control by Thermistor of Wired Controller 02 Control by Average Value of Indoor Thermistor for...

Page 272: ...of Thermistor Measure resistance of coil Failure of Reversing Valve Disconnected Reversing Valve Coil Supply power forcibly Replace reversing valve Incorrect Activation of Reversing Valve Check connectors Failure of Outdoor Unit PCB Disconnected Wire to PCB Correctly connect wires Replace it when check mode is not available Failure of PCB Check PCB in self checking mode 1 Check connectors Failure ...

Page 273: ... wires Disconnected Wire for Indoor Fan Check Indoor Unit PCB Replace Indoor Unit PCB Failure of Indoor Unit PCB Wait for switching of reversing valve 1 to 3 minutes If the reversing valve is not switched check for insufficient refrigerant Preparatory State for Heating Operation Indoor Fan does Not Operate even when Compressor is Operating Check operation pressure Add refrigerant Discharge pressur...

Page 274: ...HOOTING 3 3 Procedures for Checking 3 3 1 Self Checking of PCBs using Wired Controller Refer to Section 3 1 4 Checking Wired Controller 3 3 2 Self Checking of Wired Controller Refer to Section 3 1 4 Checking Wired Controller ...

Page 275: ...oor temperature out of the working range 3 Heating operation may not be operated due to the activation of the overload operation prevention under the ambient temperature of 66o F 19o C or over To perform the test run set the test run mode with the wired controller 1 Insulation Resistance O If the unit has been turned OFF for long periods insulation resistance may decrease to 1M or less because the...

Page 276: ...red zone controller the connection of the remote control cable is correct The total number of indoor units connected is indicated on the liquid crystal display LCD If the indicated number is not equal to the actual number of connected indoor units the auto address function is not performed correctly due to incorrect wiring or electromagnetic interference Turn OFF the power supply and correct the w...

Page 277: ... Block 3 Connecting Order of Power Line Between Indoor Units and Outdoor Unit The unit does not start The operation lamp flashes 1 time 1 sec And the Unit No 00 Alarm Code dd and Unit Code E 00 flash The connecting wires of operating line are incorrect or loose An authorized service person should check the unit using the Alarm Code Table in this manual 5 Checking Procedure for Abnormalities If the...

Page 278: ...conjunction with the test run operation of the outdoor unit If the test run is started from the outdoor unit and stopped from the wired controller the test run function of the wired controller is cancelled However the test run function of the outdoor unit is not cancelled Check to ensure that the DSW4 1 of the outdoor unit PCB is turned OFF If multiple indoor units are connected with one wired con...

Page 279: ...high pressure is higher than 3 3MPa or the unit is Thermo OFF Do not continuously repeat defrosting operation When manual defrosting operation is accepted by PSW5 the time left before starting defrosting operation is indicated on the 7 segment display on the PCB ON OFF 1 2 3 4 5 6 When the test run operation is complete turn all switches of DSW4 OFF 1 If the wired controller is set to a different ...

Page 280: ...peration pressure in the test run mode 4 High Pressure Switch Check the operation pressure of the high pressure switch in the table below b When the high pressure retry control is activated alarm code will be indicated on the 7 segment display of the outdoor unit PCB If the high pressure retry control occurs three times or more within 30 minutes alarm code will be indicated on the LCD of the wired...

Page 281: ...9 psi 0 15 to 1 3 MPa 4 Is Pd 145 to 522 psi 1 0 to 3 6 MPa If the outdoor temperature is high Pd becomes high I U Model I U Serial No I U Indoor Unit O U Outdoor Unit Piping Length feet Additional Refrigerant Charge lb CHECKLIST FOR TEST OPERATION CLIENT INSTALLER DATE O U MODEL O U SERIAL NO CHECKER The system data can be checked on the 7 segment display of the outdoor unit PCB during the test r...

Page 282: ...I U with the I U heat exchanger SH TG TL excessively lower than the other units value and is iE I U Ex Valves Opening lower than 100 It is normal if SH of the unit is up to 5o F 3o C higher than the other units I U Ex Valve Locked and Slightly Open or Closed Mismatched between Wiring and Piping 8 Is the temperature difference between I U s more than 13o F 7o C The temperature difference between I ...

Page 283: ... YH VHFRQGV ZKLOH WKH DFFXPXODWHG RSHUDWLRQ WLPH RI FRPSUHVVRU GDWD LV displayed The accumulated operation time of the compressor is reset PSW2 PSW4 3UHVV 36 DQG 36 IRU YH VHFRQGV ZKLOH WKH DFFXPXODWHG RSHUDWLRQ WLPH is displayed Press PSW2 to display the accumulated operation time of the compressor Press PSW4 to return to the indication cUJ1 The indication will be changed to 0 The accumulated ope...

Page 284: ......

Page 285: ...SM 16007 4 1 MAINTENANCE 4 Maintenance ...

Page 286: ...sertion part into the piping cover on the left Then draw the front cover forward Refer to Fig 3 Tool Phillips Screwdriver 4 1 Maintenance of Outdoor Unit TURN OFF all power source switches NOTES 1 When attaching removing the front service cover take special care not to be injured with the plate edges 2 When attaching the front cover insert the hooks into the square holes of the side cover as shown...

Page 287: ...H LQVLGH RI WKH ERWWRP EDVH b Fix the front cover with the screws Tool Phillips Screwdriver 2 Attaching Service Cover a Service cover shall be attached after attaching the front cover Insert the hooks of the service cover into the square holes of the side cover Refer to Fig 2 b Fix the front cover with the screws Fig 1 Fig 2 Side Cover Square Hole Hook Bottom Base Front Cover Do NOT insert the fro...

Page 288: ... Top Cover and Upper Cover 1 Remove the 28 screws securing the top cover T R L and FB TURN OFF all power source switches Tool Phillips Screwdriver Air Grille Top Cover Upper Cover Top Cover FB Top Cover R Top Cover L Top Cover FB Top Cover T ...

Page 289: ...removing the upper cover make sure that it does not come in contact with the propeller fan TURN OFF all power source switches Tool Phillips Screwdriver When removing two screws on the front side remove the service cover according to Section 4 1 1 Removing Front Service Cover Front Side Rear Side Upper Side ...

Page 290: ...e of the upper rear support to remove it TURN OFF all power source switches Screws for Protection Net Screws for Protection Net Screws for Protection Net B A Protection Net Assy A Side View Upper Rear Support Upper Cover Upper Rear Support B Connection for Protection Net Protection Net Pull out the protection net from the bridge of the upper rear support to remove it Bridge ...

Page 291: ...ctrical box 2 cover by drawing it forward from the securing screws7 NOTES 1 Before removing the screws securing the electrical box 1 cover and electrical box 2 cover ensure that the securing screws7 are attached to the cover so that the cover will not fall 2 Be careful not to get injured by the front cover edge when removing the electrical box cover TURN OFF all power source switches Tool Phillips...

Page 292: ...r side of electrical box 1 7 Install the electrical box 1 cover 8 Remove two screws securing the upper side of electrical box 1 and loosen the securing screw7 9 Push the electrical box 1 up and draw it forward from the securing screw7 10 Remove two screws securing the lower side of electrical box 2 11 Install the electrical box 2 cover 12 Remove two screws securing the upper side of electrical box...

Page 293: ... 4 Remove four screws securing the electrical box support 5 Lift up the electrical box support Remove the electrical box support from the hooks on the right and left sides and draw it forward in the direction of the arrow TURN OFF all power source switches Ɣ 9 H Y VAHP072 096B31CW Ɣ 460V H Y VAHP072 096B41CW Electrical Box Support Screws for Reinforcement Support Screws for Reinforcement Support S...

Page 294: ...our screws from the transformer box cover upper side and remove the transformer box cover upper side 3 Remove four screws from the transformer box cover lower side and remove the transformer box cover lower side TURN OFF all power source switches Transformer Box Transformer Box Lower Side Transformer Box Cover Upper Side Screws for Transformer Box Cover Upper Side Screws for Transformer Box Cover ...

Page 295: ...ng to Section 4 1 1 Removing Front Service Cover 2 Remove the reinforcement support according to Section 4 1 7 Removing Electrical Box Support and Reinforcement Support 3 Remove four screws securing the transformer box 4 Remove the transformer box by pulling the knobs of the front and upper sides of the transformer box and slide forward Knob Knob Transformer Box Screws for Transformer Box ...

Page 296: ...ir Grille Remove eight screws securing the air grille Remove the air grille NOTE 2 127 DSSO H FHVVLYH IRUFH WR WKH WRS FRYHU WR DYRLG GDPDJH TURN OFF all power source switches Tool Phillips Screwdriver Screws for Air Grille Air Grille Top Cover ...

Page 297: ...IDQ RQWR WKH PRWRU VKDIW XVLQJ D ER ZUHQFK 5HPRYH WKH SURSHOOHU IDQ IURP WKH PRWRU VKDIW I LW LV GLI FXOW WR UHPRYH WKH IDQ XVH D puller NOTE 2 127 DSSO H FHVVLYH IRUFH WR WKH upper cover plastic part to avoid damage Tool Adjustable Wrench Puller Phillips Screwdriver Wire Cutter Box Wrench Fan Motor Position Tool Adjustable Wrench Puller Phillips Screwdriver Wire Cutter Box Wrench Air Grille Top C...

Page 298: ...eller fan with matching the mark with the cut out part of the motor shaft Firmly install the propeller fan with a 22 1 lbf ft 30N m torque after the head of the fan shaft comes up Torque for Mounting Propeller Fan 22 1 lbf ft 30N m 3 Connect the motor wire connector with the wire connector in electrical box 1 6 Check that the gap between the propeller fan and the upper cover is even by observing f...

Page 299: ... close to the wall remove the refrigerant piping and move the outdoor unit away from the wall 2 Release the tack for the soundproof cover of the compressor and remove the soundproof cover 3 Remove the Td thermistor on top of the compressor NOTE The thermistor holder thermistor securing plate and the RC cover are used again when reassembling Keep them in a container so that the parts are stored cor...

Page 300: ...ged it may lead to a malfunction because of contact with electrical wiring To avoid such a failure check the RC cover conditions when repair is complete TURN OFF all power source switches RC Cover Aluminum Sheet Compressor Keep the distance between the crankcase heaters at a minimum of 13 16 inches 20mm 13 16in 20ｍｍ Remove the crankcase heater from slotted part of RC cover without contacting the b...

Page 301: ...ing terminal condition If the ring terminal is damaged or something appears wrong with it replace it with a new one 6HFXUH WKH OHDG ZLUH UPO ZLWK SODVWLF WLHV 3 Retighten the compressor screws after replacing Tool Phillips Screwdriver Adjustable Wrench U V W Details of Terminal Box Mark Band Plastic Tie Compressor Power Line Ring Terminal Remove Retaining Nut Retaining Nut Terminal Box Cover Termi...

Page 302: ...QFK DQG FXW WKH SLSH at the closer position to the compressor from the braze joint so that the refrigerant oil remaining inside the compressor does not spill from the oil discharge pipe Before disconnecting the oil discharge pipe at the system piping side check that the oil at the brazing part is completely removed NOTES 1 If the oil discharge pipe is disconnected without performing the above proc...

Page 303: ...remaining refrigerant oil spill R QRW H SRVH WKH UHIULJHUDQW F FOH WR WKH HQYLURQPHQW IRU D ORQJ SHULRG LQ RUGHU WR DYRLG introduction of foreign particles and moisture to system After removing the compressor mount the new one quickly 5 When removing the compressor remove the electrical box and transformer box 460V only located above the compressor to make the work easier The box wrench 13 32 inch...

Page 304: ...quantity in the old compressor is less than the pre charged refrigerant oil in the new compressor 3 The recharged quantity of the refrigerant oil to the cycle is calculated as follows Remaining quantity in the old compressor Collected quantity in Section 4 1 12 8 0 05 gal 200cc Initial charged quantity in the compressor for each model Compressor Initial Charged Refrigerant Oil RU QYHUWHU 0 29 gal ...

Page 305: ...piping If contacted piping may become deformed 2 The new compressor should be mounted with the cap Remove the cap just before starting the brazing work 3 Connect the charging hose with the access port at the low pressure side to release pressure KHQ EUD LQJ WKH VXFWLRQ SLSH PDNH VXUH WKDW WKH FRQQHFWLQJ SDUW LV UPO LQVHUWHG LQWR WKH compressor Keep compressor piping cool using a wet cloth in order...

Page 306: ... switches F DVWHQ WKH FRYHU UPO ZLWK WZR WDFNV WR NHHS ZDWHU IURP HQWHULQJ WKH FOHDUDQFH EHWZHHQ WKH 5 cover and the soundproof cover Example Example RC Cover Power Line Crankcase Heater Oil Discharge Pipe Compressor RC Cover Slots Spring Crankcase Heater Lead Line Hook Crankcase Heater Wire is caught on the spring Hook RC Cover Slot For Td Thermistor Lead Wiring Slot For PSH Lead Wire Suction Pip...

Page 307: ...ing Fix the power line for the compressor and the crankcase heater lead line together when winding the bind lace at the tack Do not contact the discharge oil pipe with the crankcase heater lead wire and the power line for the compressor Cover outside of the discharge oil pipe when winding RC cover RC Cover Crankcase Heater Wind the crankcase heater firmly around the compressor bottom part Crankcas...

Page 308: ... abnormal when nitrogen is charged 6 Stop charging nitrogen after refrigerant oil has been completely recovered 3HUIRUP YDFXXPLQJ IURP ORZ SUHVVXUH DFFHVV SRUW DQG DGG WKH VDPH TXDQWLW DV WKH FROOHFWHG refrigerant oil NOTE When the collected refrigerant oil is 0 79 gal 3L or less a blockage may exist in the return oil circuit In that case replace the return oil circuit according to Section 4 1 13 ...

Page 309: ...sformer box 460V only according to Section 4 1 6 4 1 7 and 4 1 9 3 Close A gas stop valve and B liquid stop valve 5HFRYHU WKH UHIULJHUDQW LQ WKH RXWGRRU XQLW IURP ORZ SUHVVXUH DFFHVV SRUW DQG KLJK SUHVVXUH access port Ensure that the pressure will not increase at this time NOTE If the pressure increases recover all the refrigerant in the refrigerant cycle Tool Adjustable Wrench E High Pressure Acc...

Page 310: ...H SRLQW LQGLFDWHG LQ WKH JXUH Remove I return oil circuit from the unit Then remove M brazing for oil separator outlet NOTES 1 When cutting I return oil circuit off cut the closer part to I return oil circuit to prevent the refrigerant oil remaining in I return oil circuit from spilling out 2 When cutting I return oil circuit off do not use a saw 3 After cutting I return oil circuit off remove the...

Page 311: ... H MRLQW 3HUIRUP YDFXXPLQJ IURP ORZ SUHVVXUH DFFHVV SRUW DQG DGG WKH VDPH TXDQWLW RI RLO WKDW ZDV collected from C access port for recovering refrigerant oil NOTE If replacing the return oil circuit only procedures 8 and 9 are not required KHQ WKH SURFHGXUHV KDYH EHHQ FRPSOHWHG SHUIRUP YDFXXPLQJ DJDLQ IURP ORZ SUHVVXUH DFFHVV port and recharge the refrigerant After recharging open the stop valves ...

Page 312: ... IROORZLQJ JXUHV LQGLFDWH SRVLWLRQV RI FRLOV SVA Solenoid Valve Coil SVB Solenoid Valve Coil SVC Solenoid Valve Coil SVX Solenoid Valve Coil RVR2 Reversing Valve Coil MV1 Expansion Valve Coil MV2 Expansion Valve Coil MVB Expansion Valve Coil Coil Position SVA SVC MV2 MV1 MVB SVB SVX RVR2 ...

Page 313: ...nsion valve coil press the coil into the expansion valve slot by turning the coil If an excessive force is applied to the coil the coil bracket may become damaged As a result the coil FDQQRW EH HG DW WKH FRUUHFW SRVLWLRQ DV VKRZQ LQ WKH JXUH Q VORWV RQ WKH H SDQVLRQ YDOYH LQQHU VXUIDFH DUH DFFHSWDEOH WR NOTE The expansion valve coil should be tightened to 44 3 lbf ft 60 N m or less After securing ...

Page 314: ...less After securing check the expansion valve coil position TURN OFF all power source switches Tool Pliers Expansion Valve Coil Expansion Valve Body Coil bracket is mounted at the correct position Coil bracket is mounted at the incorrect position The coil bracket is secured in the slotted part of the expansion valve body 4 1 14 2 Removing Solenoid Valve Coil SVA SVB SVC SVX 5HPRYH RQH VFUHZ VHFXUL...

Page 315: ...s according to Section 4 1 14 2 Removing Solenoid Valve Coil 5 Unbraze at the following segments Solenoid Valve Coil SVA Two brazing segments Solenoid Valve Coil SVB Two brazing segments Solenoid Valve Coil SVC Two brazing segments Solenoid Valve Coil SVX Two brazing segments NOTE 1 When performing brazing work cover the solenoid valve with a wet cloth for cooling 2 Pay attention not to burn the c...

Page 316: ...Reversing Valve Coil RVR2 1 Remove one screw securing the reversing valve coil with a Phillips screwdriver I WKH VFUHZ LV GLI FXOW WR UHPRYH XVH DQ DGMXVWDEOH ZUHQFK 2 Remove the reversing valve coil Tool Phillips Screwdriver Reversing Valve Coil Screw This is the unit front view ...

Page 317: ...O DW WKH LQGLFDWHG VHJPHQW LQ WKH JXUH I QRW OHDNDJH PD RFFXU ZKHQ UHDVVHPEOLQJ 2 Connect the charging hose to the access port for the low pressure gas stop valve before unbrazing 8 Remove the reversing valve assembly 8QEUD H DV VKRZQ LQ WKH JXUH E FRYHULQJ WKH UHYHUVLQJ YDOYH ZLWK D ZHW FORWK IRU FRROLQJ Unbraze in the following order a Brazing at right and left branch pipes of three pipes from t...

Page 318: ...U WKH VWRS YDOYH DV VKRZQ LQ WKH JXUH NOTE 1 Connect the charging hose to the access port for the low pressure gas stop valve 2 To unbraze for the A gas stop valve the RC cover should be removed or protected with a metal plate IWHU XQEUD LQJ IRU WKH VWRS YDOYHV UHPRYH WKH VFUHZV VHFXULQJ WKH SODWHV DV VKRZQ LQ WKH JXUH DQG pull out the stop valves and the plates 4 Set the stop valves using a rever...

Page 319: ...nt Service Cover 2 High Pressure Switch PSH1 and PSH2 High Pressure Sensor Low Pressure Sensor and Thermistor 7J 7FKJ 7EJ DQG 7H DUH VHFXUHG DV VKRZQ LQ WKH JXUH EHORZ TURN OFF all power source switches Tool Adjustable Wrench Tbg Thermistor Super Cooling Bypass Line Tg Thermistor Evaporation Gas Line High Pressure Sensor Low Pressure Sensor PSH2 High Pressure Switch PSH1 High Pressure Switch Heat ...

Page 320: ...YH RI WKH IDVWRQ WHUPLQDOV DV VKRZQ LQ WKH JXUH If the terminals of the high pressure switch are exposed and come in contact with the RC cover the electrical components may be damaged TURN OFF all power source switches 4 1 16 2 Removing High Pressure Sensor Pd and Low Pressure Sensor Ps 1 Remove the connector for the pressure sensor wiring from PCB1 NOTE First remove the connector or the wiring ca...

Page 321: ...ip from the pipe NOTE When removing the thermistor for the liquid pipe take special care not to cause damage to your hands or the thermistor with the valve support securing the stop valve 4 Reassemble the thermistor for the liquid pipe using reverse procedures NOTE When reassembling the thermistor secure the thermistor with the vinyl pipe end downward to prevent condensate from entering the pipe T...

Page 322: ... When removing the top cover and upper cover be careful not to damage the shroud 4 Remove the securing clamps for wiring 5 Reassemble the thermistor for ambient temperature using reverse procedures for removal NOTE If the upper cover is not secured properly it may cause upper cover vibration during the outdoor fan operation Check the upper cover carefully after reassembling TURN OFF all power sour...

Page 323: ... of the power source cable with the U Phase side CTU and the V Phase with the V Phase side CTV of the current sensor Not doing so may cause equipment malfunction or failure 4 When securing PCBs or sheet metal for PCBs protect the electric wiring from being caught on the sheet metal or the electrical components 5 Make sure to use screws bushes and collars when securing PCBs for the inverter compres...

Page 324: ... within 120 degrees If trying to open wider than GHJUHHV WKH VHFXULQJ SODWH ZLOO QRW RSHQ GXH WR LQVXI FLHQW HOHFWULFDO ZLULQJ OHQJWK R QRW WRXFK WKH HOHFWULFDO FRPSRQHQWV RQ WKH 3 V R QRW EHQG RU DSSO H FHVVLYH IRUFH WR D 3 W ZLOO FDXVH D 3 IDLOXUH 5HPRYLQJ 3 1 Remove all the connectors for wiring at PCB1 ROG WKH PLGGOH SDUW RI WKH KROGHU VHFXULQJ 3 3DUW LQ WKH JXUH SDUWV ZLWK D ORQJ QRVH SOLHU a...

Page 325: ...ard Reactor PSH1 2 Pressure Switch for Protection 0 LRGH 0RGXOH RS Resistor for Starting FANM Fan Module TB1 2 Terminal Block FFB1 2 Fuse Free Breaker THM Thermistor for Fin Temperature IPM Transistor Module ZNR Surge Absorber MC1 2 Motor for Compressor With PCB1 Plate Without PCB1 Plate NF3 NF4 PCB2 IPM RS DCL NF7 NF5 THM CS FFB1 TB1 NF6 ZNR CMC1 DM CB NF1 NF1 TB1 CB NF6 PCB2 NF7 IPM THM ZNR DM C...

Page 326: ...for Starting EF1 3 Fuse TB1 5 Terminal Block FANM Fan Module TF Transformer FFB1 3 Fuse Free Breaker THM Thermistor for Fin Temperature IPM Transistor Module ZNR1 2 Surge Absorber 0 460V 0 220V TB4 NF2 EF2 EF1 FFB3 TB5 TF NF1 TB1 CB1 CB2 NF9 DCL2 R1 R2 FFB1 FANM1 ZNR1 NF5 CB3 DM PCB2 PCB1 DCL1 NF3 NF4 CMC1 THM IPM NF6 RS2 RS1 ZNR2 EF3 TB1 NF1 FFB1 CB3 FANM1 DM EF3 ZNR1 CMC1 DCL1 FFB2 CMC2 TB3 CT2 ...

Page 327: ...UHG RI WKH LQYHUWHU 3 3 LV 21 Otherwise it may lead to an electrical shock Turn OFF all power source switches R QRW WRXFK DQ HOHFWULFDO FRPSRQHQWV ZKLOH UHG RQ WKH QYHUWHU 3 3 LV 21 2WKHUZLVH DQ HOHFWULF VKRFN ZLOO RFFXU Tool Phillips Screwdriver NOTES 1 When reassembling the electrical components match the terminal numbers with the mark band numbers If they are incorrectly connected a malfunction...

Page 328: ...ncorrectly connected a malfunction may occur or the electrical components may be damaged 2 When closing the outdoor unit PCB PCB1 securing plate for reassembly protect the cables from catching on the plate edges or electrical components 3 When mounting the diode module and transistor module apply silicon grease evenly over the whole back side of the diode module and the transistor module Use silic...

Page 329: ...removed NOTES R QRW DSSO JUHDW IRUFH ZKHQ UHPRYLQJ WKH IDQ FRQWUROOHU RU WKH VROGHULQJ PD EHFRPH ORRVHQHG DQG a malfunction of the fan controller may occur 2 Identify and match the terminal numbers with the mark band numbers when reassembling If incorrectly connected a malfunction or damage will occur 3 Check to ensure that the electrical wires will not be caught between the mounting electrical co...

Page 330: ...ver Otherwise the wiring may be damaged when the cover is closed 6HFXUH WKH IDQ PRWRU ZLULQJ ZLWK D FDEOH FODPS DV VKRZQ LQ WKH JXUH Tool Phillips Screwdriver Pincher Tool TURN OFF all power source switches NOTES 1 When reassembling the electrical component match the terminal numbers with the mark band numbers If they are incorrectly connected malfunction may occur or the electrical components may...

Page 331: ...1 8 Removing Transformer Box Cover LVFRQQHFW DOO ZLULQJ WR WKH WHUPLQDO EORFN RI WUDQVIRUPHU XULQJ WKH WUDQVIRUPHU ER DVVHPEO UHPRYH VL VFUHZV WKDW VHFXUH WKH PHWDO SODWHV 3 Remove the metal plate assembly from the transformer 4 Remove four screws securing the transformer so the transformer can be removed TURN OFF all power source switches Tool Phillips Screwdriver Transformer Terminal Block Metal...

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Page 340: ... Failure Yes No Fuse EFR1 or EFS1 is melted LED5 red for DC280V applied voltage indicator flashes No Yes Press and hold the PSW1 of O U PCB to change the Check Mode The indication CHEK will be displayed on the 7 segment DC280V line and DC5V line are normal The voltage 13V is applied between the test port VCC12 and GND1 DC12V line is normal Replace fuse EFRI or EFS1 Replace each 208 230V load equip...

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Page 342: ...is sucked from the inlet port at the outer frame of the fixed scroll 2 The gas inside the compression space is compressed toward the center of the scroll 3 The compression space is minimum at the center of the scroll and the gas compressed at the maximum is discharged from the outlet port at the center of the scroll 4 The above procedures Suction Compression Discharge are repeated continuously Fix...

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Page 361: ...SM 16007 5 1 EXTERNAL INPUT OUTPUT AND FUNCTION SETTING 5 External Input Output and Function Setting ...

Page 362: ...ng Before Shipment 460V Unit 460V Setting Before Shipment 208V Unit 230V 460V Unit 208V 230V 460V Test Run and Service Setting DSW4 For Test Run Function Setting and External Input Output Setting 1 ON 2 3 4 5 6 Setting Before Shipment Setting Before Shipment Setting Before Shipment DSW5 3 2 1 4 ON 5 6 Emergency Operation Test Run and Service High Static Pressure Mode Setting 2 1 ON 3 4 Single Sett...

Page 363: ...e mode the operation sound value increases by 8dB from the nominal value Balcony Building Installation of outdoor units on each floor Ceiling Wall Air Outlet Duct Kit Field Supplied Duct Field Supplied Ceiling Wall Air Outlet Duct Kit Field Supplied Louver Outdoor Unit Wall Outdoor Unit The recommended air outlet duct kit has flanged opening which makes the field connection work possible The airfl...

Page 364: ...00 45 1 2 1156 Internal Width of Duct 6 x φ9 32 φ7 47 7 32 1199 3 13 16 96 5 11 13 16 300 11 13 16 300 4 x Long Hole 47 7 32 1199 A A View Detail of Long Hole Dimensional Drawing 21 21 32 550 Internal Height of Duct Flange 31 32 25 OVER 15 3 4 400 45 1 2 1156 Internal Width of Duct Flange 31 32 25 72 7 16 1840 95 3 32 2415 Safety Wire Rope to Prevent Overturning optional part 55 recommended angle ...

Page 365: ...B and C is invalid Transition Method External Input Output Setting Function Setting Start of Setting After setting confirm DSW4 setting is the same as the factory setting and the DSW7 setting is correct Start of Setting Turn ON DSW4 No 4 Turn ON DSW4 No 6 Exit Setting Mode Exit Setting Mode Turn OFF DSW4 No 6 during indicated External Input Output Setting Mode Turn OFF DSW4 No 4 Turn OFF DSW7 No 4...

Page 366: ...g Function Control Function No Input 1 CN17 1 2 Fixed Heating Operation Mode 1 Input 2 CN17 2 3 Fixed Cooling Operation Mode 2 Input 3 CN18 1 2 Demand Stoppage 3 Output Terminal Output Terminal Name Connector Pin No Setting Function Control Function No Output 1 CN16 1 2 Operation Signal 1 Output 2 CN16 1 3 Alarm Signal 2 5 3 1 External Input and Output Settings Output Control Function No Setting F...

Page 367: ...etting for outdoor unit A 1 By selecting External Input and Output Setting the following appears on the 7 segment display The setting should be performed during an outdoor unit stoppage Also set DSW4 No 4 of the outdoor unit PCB to the ON side before performing the setting in order to prevent the compressor activation This display indicates Control Function No 1 Fixed Heating Operation Mode is set...

Page 368: ...n No 1 Input Fixing Cooling Operation Mode Control Function No 2 When the input terminals for the setting operation mode on the outdoor unit PCB are short circuited the operation mode can be set at the cooling or heating mode Short Circuit between Terminals 1 and 2 of CN17 Fixed Heating Operation Mode Short Circuit between Terminals 2 and 3 of CN17 Fixed Cooling Operation Mode During this set heat...

Page 369: ...OTES 1 This is an auxiliary function to protect the unit from snow In snowy regions make sure to protect the XQLW ZLWK D VQRZ SUHYHQWLRQ URRI IHQFH HOG VXSSOLHG RU VQRZ SURWHFWLRQ KRRG RSWLRQDO 2WKHUZLVH abnormal vibrations because of an imbalanced propeller fan will be caused 2 If the fan motor or fan controller fail during this function stop all the outdoor fans to suspend this function Check th...

Page 370: ...ol is value criterion The value used for this control is calculated from the current and therefore is different from the value indicated by a wattmeter If it is required that the PD LPXP SRZHU FRQVXPSWLRQ LV PDQDJHG SUHFLVHO D HOG VXSSOLHG GHPDQG FRQWUROOHU VKRXOG EH XVHG 2 The actual value may temporarily be higher than the indicated value by 40 to100 depending on the operating control conditions...

Page 371: ...geted value of single unit In some cases the operating sound may be temporarily higher than the value in the table below The operating sound of combination units will be higher than the value on the table below c If Low Noise Setting is always required without input signal refer to Section 5 3 2 2 6 Low Noise Setting Control Function No for Low Noise Setting and Operating Sound Outdoor Unit Capaci...

Page 372: ...e cable s into a metal tube and ground it at one end If sealed wirings are used at the low voltage wiring side ground it at one end of the shielded wirings 3 The maximum length should be within 230 ft 70m Parts 6SHFL FDWLRQV Remarks Auxiliary Relay X1 X2 Mini Power Relay Model MY1F or MY2F made by OMRON 208V 230V Change Over Switch SS2 SS3 Manual Switch 208V 230V 3 Pin Connector Cord Model PCC 1A ...

Page 373: ...ven when the alarm occurs from one indoor unit Ɣ External Output Function Setting 1 Output Operation Signal Control Function No 1 This function is utilized to receive the operation signal Auxiliary relay contacting RYa is closed during the operation The operation signal will be sent to output terminals when the indoor units are operating Even when one indoor unit is operating the signal will be VH...

Page 374: ...tacting RYa is closed during the defrosting 3 Output Compressor ON Signal Control Function No 3 This function is utilized to receive the compressor operation signal Auxiliary relay contacting RYa is closed during the compressor operation 7DEOH 6SHFL FDWLRQV RI 5HTXLUHG X LOLDU 5HOD Parts 6SHFL FDWLRQV Auxiliary Relay High Power Relay LY2F DC12V made by OMRON Do not use the relay with diode built i...

Page 375: ...B and the Function Setting is completed The stored data is maintained even when the power source is cut OFF 1 By selecting Function Setting the following appears on the 7 segment display The setting should be performed during an outdoor unit stoppage Also set DSW4 No 4 of the outdoor unit PCB to the ON side before performing the setting in order to prevent the compressor activation SEG2 SEG1 Funct...

Page 376: ...city Mode No setting Change of frequency maximum limit value Change of current limit value Change of frequency maximum limit value and current limit value 8 Compressor Frequency Control Target Value for Cooling Initial setting Ps evaporation temperature targeted value 46o F 8o C Targeted value 36o F 2o C Targeted value 38o F 3o C Targeted value 40o F 4o C Targeted value 41o F 5o C Targeted value 4...

Page 377: ...l setting Cooling operation initial opening 5 Cooling operation initial opening 3 Cooling operation initial opening 5 Cooling operation initial opening 10 16 Indoor Expansion Valve Initial Opening for Heating Initial setting Heating operation initial opening 5 Heating operation initial opening 3 Heating operation initial opening 5 Heating operation initial opening 10 17 Low Noise Setting Sound Red...

Page 378: ...tial setting stoppage unit expansion valve opening 006 015MBH 90 pulse 018MBH or over 90pulse Expansion valve opening 150 325 pulse Expansion valve opening 006 015MBH 175 pulse 018MBH or over 300 pulse Expansion valve opening 006 015MBH 100 pulse 018MBH or over 150 pulse Expansion valve opening 006 015MBH 90 pulse 018MBH or over 100 pulse Expansion valve opening 006 015MBH 40 pulse 018MBH or over ...

Page 379: ...peed continuously The action when the indoor fan motor operates at the circulator function is indicated as follows Contents of Function Setting Item FA FA Setting Condition 0 1 2 3 4 Indoor Fan Motor LOW Operation Time X min Continuous Operation 2 2 2 0 Indoor Fan Motor Stop Time Y min 0 6 13 28 Stopped NOTE If using function setting No 2 to 4 install the remote sensor THM R2A Optional Because the...

Page 380: ...the margin to be allowed for the capacity decrease and the low sound operation is required especially in the nighttime at Cooling Operation Reduction Rate of Upper Limit Outdoor Fan Radiation 72 22 77 25 65 75 90 86 30 92 33 Outdoor Temperature o F oC Night Shift Reduction Rate of Maximum Outdoor Fan Rotation Compressor Frequency ni Setting Condition Operation Cooling Including Dry Operation Heati...

Page 381: ...on 0 Not Available Default Setting 1 Heating 2 Cooling 3 Heating Cooling Heating Operation Indoor Inlet Air Temperature o F o C Outdoor Temperature o F o C Operation Stoppage Area 77 25 0 18 62 17 59 15 66 19 78 26 80 27 86 30 The limitation of the permissible outdoor temperature area in heating operation factory setting shown in the figure at the right is cancelled NOTE When the outdoor ambient t...

Page 382: ...is limited 2 Reduction rates are approximate these may change slightly depending on the outdoor unit model 3 The Low Noise Setting db 7 8 9 are same operation as Low Noise Setting 1 2 3 by External Input Function Setting db Setting Condition Reduction Rate of Upper Limit Compressor Frequency Outdoor Fan Rotation 0 Not Changed 100 Not Changed 100 1 Not Changed 65 2 Not Changed 50 3 Not Changed 40 4...

Page 383: ...emand Running Current Control 0 Not Available Default Setting 1 40 2 60 3 70 4 80 5 100 Demand Control Adopting self demand function which drastically decreases power consumption has largely improved energy saving NOTES for Facility 1 The demand current control is value criterion The value used for this control is calculated from the current and therefore is different from the value indicated by a...

Page 384: ...lect the setting condition 0 to 4 so that Wave Function Setting can be set While this function is activated the maximum limit of running current is changed from 40 to 80 as shown LQ WKH JXUH NOTE If Demand Current Control by External Input Function is set and the external input signal is available this function is not performed during Demand Current Control by External Input Function is performed ...

Page 385: ...can be set This function is available by setting to 1 to lower the compressor frequency upper limit and reduce energy consumption The heating capacity will be reduced during Energy Saving Mode is set so utilize this mode only when the extra capacity to the load is available Energy Saving Mode can be set during heating operation NOTE By setting this function the outdoor fan rotation is slightly red...

Page 386: ...now In snowy regions make sure to protect the XQLW ZLWK D VQRZ SUHYHQWLRQ URRI IHQFH HOG VXSSOLHG RU VQRZ SURWHFWLRQ KRRG RSWLRQDO 2WKHUZLVH abnormal vibrations because of an imbalanced propeller fan will be caused 2 If the fan motor or fan controller fail during the outdoor fan motor start stop operation stop all the outdoor fans to suspend the operation Check the alarm code and deal properly wit...

Page 387: ...for the power circuit power source wiring GFCI transformer etc It may cause actuation of interrupter and equipment fault without Power Saving Setting Maximum Capacity Operation in Power Saving Set Value Range Morning Night Daytime Operation Time Power Consumption Power Saving Set Value It can be selected from 100 90 80 70 60 50 and 40 of reference power consumption Moderate Control Function The mo...

Page 388: ... WHQ PLQXWHV 2 It is possible to change the rotation assigned number according to the minimum differential between the setting temperature and indoor temperature 5 4 4 Intermittent Control Function 7KH LQWHUPLWWHQW FRQWURO UHSHDWV RROLQJ HDWLQJ DQG DQ 7KHUPR 2 PRGH LQ HG LQWHUYDOV 30 Minutes 30 Minutes Cooling Operation 20 Minutes Cooling Operation 20 Minutes Fan Operation 10 Minutes Fan Operation...

Page 389: ...reduction schedule function is utilized to set the operation noise reduction schedule up WR YH VHWWLQJV D GD HDFK GD RI WKH ZHHN NOTE The operation noise reduction setting may decreases the Cooling Heating capacity 5 4 7 Power Consumption Display Function This function displays the power consumption of the outdoor unit compressor The value of each displayed in Graph List format is one day one week...

Page 390: ......

Page 391: ...SM 16007 6 1 FIELD WORK INSTRUCTIONS 6 Field Work Instructions ...

Page 392: ... WKH HQWLUH 95 V VWHP PHHWV 6 5 6WDQGDUG RU DQ ORFDO FRGHV UHJDUGLQJ 6DIHW 7KH 6 5 6WDQGDUG SURYLGHV VDIHJXDUGV IRU OLIH OLPE KHDOWK SURSHUW DQG SUHVFULEHV VDIHW requirements The standard is recognized as the main guide for personal safety involving refrigeration systems It strives to ensure a safe application of refrigerant systems by limiting the maximum charge so that a complete discharge due t...

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Page 394: ...OD RU SULQWHG circuit board PCB Line Condition Pay attention to working voltage amperage and phase balance Inspect for faulty contact caused by loosened terminal connections oxidized contacts foreign matter and other items Inspect for electrical insulation resistance f Control and Protective Devices x 6HWWLQJ R QRW UHDGMXVW WKH VHWWLQJ LQ WKH HOG RU 2XWGRRU 8QLW 2QO a Compressor x Sound and Vibrat...

Page 395: ...6WHS Fo 2XWGRRU SDQVLRQ 9DOYH 2SHQLQJ R LJK 3UHVVXUH LVFKDUJH 3UHVVXUH Pd Low Pressure Suction Pressure Ps Discharge Temperature Td YDSRUDWLQJ 7HPSHUDWXUH 7 PELHQW LU 7HPSHUDWXUH To Inverter Fin Temperature TF Inverter Primary Current Inverter Secondary Current Checking for Indoor Unit QGRRU 8QLW GGUHVV n QGRRU SDQVLRQ 9DOYH 2SHQLQJ Liquid Pipe Temperature of Indoor Unit L DV 3LSH 7HPSHUDWXUH RI Q...

Page 396: ...ro Computer State Indication I U Micro Computer C1 2 8 0LFUR RPSXWHU C2 D Stopping Cause State Indication Cause Code of Indoor Unit Stoppage d1 ODUP 2FFXUUHQFH 7LPHV RI EQRUPDOLW Times of Power Failure Times of EQRUPDO RPPXQLFDWLRQ Times of Inverter Tripping XWRPDWLF RXYHU 6WDWH Louver Sensor State F1 3UHVVXUH UHTXHQF 6WDWH QGLFDWLRQ Discharge Pressure g9 Suction Pressure J Control Information gb ...

Page 397: ...dication Motion Sensor Response Rate g1 Radiation Sensor Temp g2 Motion Sensor1 Response Rate g3 Motion Sensor2 Response Rate g4 Motion Sensor3 Response Rate J Motion Sensor4 Response Rate g6 Setting Temp Collected Value g7 OLHQW Result QVWDOODWLRQ DWH 6 VWHP 1R DWH KHFNHG KHFNHG E 127 Refer to Section 3 1 4 Checking Wired Controller for items of check mode ...

Page 398: ...door heat exchanger ditto 22 RU 127 22 16 Check for leakage at reversing valve ditto 22 RU 127 22 17 Check for leakage at check valve ditto 22 RU 127 22 18 Check for leakage at accumulator ditto 22 RU 127 22 19 Check for leakage at strainer ditto 22 RU 127 22 20 Check for leakage at electronic expansion valve ditto 22 RU 127 22 21 Check for leakage at piping ditto 22 RU 127 22 22 Check direction o...

Page 399: ... 16007 6 9 FIELD WORK INSTRUCTIONS 6 7 Saturation Curve for Refrigerant 0 50 100 150 200 250 300 350 400 Ͳ50 Ͳ25 0 25 50 75 100 125 150 ĂƚƵƌĂƚŝŽŶ WƌĞƐƐƵƌĞ ŝƋƵŝĚͿ ƉƐŝ Ϳ R410A ĂƚƵƌĂƚŝŽŶ dĞŵƉĞƌĂƚƵƌĞ ŝƋƵŝĚͿ Ž ...

Page 400: ...6 10 SM 16007 FIELD WORK INSTRUCTIONS 0ROOLHU KDUW IRU 5 ft 3 l b ...

Page 401: ...SERVICE PARTS LIST SM 16007 7 1 7 Service Parts List ...

Page 402: ... 1 1 16 Washer H17E08525E SUS 1 1 17 Closing Nut H17D50034D SUS M10 1 1 18 Upper Cover H17C79378E QU098002 1 1 19 Air Outlet Grille H17F06637A QU034001 1 1 20 Special Screw 17G84611D P27991 SUS M5 22 22 21 Front Cover H17B43545A QU098019 1 1 22 Service Cover H7D05012B QU098015 1 1 23 Special Screw 17G84611A P25678 SUS M5 103 109 24 Sub E Box Cover H7C01492D 1 1 25 Protective Tube 06SY0800 Thermist...

Page 403: ... 27 28 29 30 23 23 23 23 23 23 23 23 23 23 23 23 23 23 20 23 23 23 31 23 20 20 23 32 35 33 Only for 208 230V 60Hz Only for 460V 60Hz 25 36 A B C D E F G H J K Truss Head Tapping Screw Round Head Screw Flat Head Screw Pan Head Tapping Screw Hexagon Head Bolt Stud Bolt Nut Washer Spring Lock Washer Tooth Lock Washer NOTE A protective coating like zinc is applied to iron and steel for unspecified mat...

Page 404: ...0 Expansion Valve 17C78465A P26007 MVB Saginomiya UKV 25D26 1 1 21 EXPV Coil 17C78180C P27606 MVB Saginomiya UKV A035 1 1 22 Stop Valve H7C00434A QU027003 3 8 Liquid 1 1 23 Plate Stay H17H06172A 1 1 24 Stopper H17E25685A 2 2 25 Rubber Seat H17H10681A 2 2 26 Reversing Valve H7C03986A QU081003 RVR1 2 Saginomiya STF H07U12 1 1 27 Coil H7C03987B QU081001 RVR1 2 Saginomiya STF H01AQ3004UAA1 1 1 28 Stra...

Page 405: ...istor H7B00030A QU015010 THM23 for Piping TBg 1 1 47 Thermistor H7B00029B QU015014 THM9 for Compressor Td2 1 1 48 Thermistor H7B00030B QU015015 THM11 for Piping Tg 1 1 49 EXPV Coil 17F03633C P30139 MVD Fujikoki HAM MD12HS 5 1 1 50 Strainer H17G55723A QU030007 1 1 51 Special Screw H17D30320F P25673 SUS M6 4 4 52 Bolt H17E19003B for Coil 4 4 53 Bolt H17G24763A 14 14 54 Heat Exchanger H17B44164A 1 1 ...

Page 406: ...pplied to iron and steel for unspecified materials like a bolt or screw LOCATION OF SERVICE PARTS IN THE UNIT MODEL H Y VAHP072B31CW Refrigerant Cycle H Y VAHP096B31CW H Y VAHP072B41CW H Y VAHP096B41CW 53 53 53 42 41 43 44 47 51 54 45 40 48 39 46 45 51 53 53 12 52 52 52 52 30 15 14 13 17 16 33 31 33 31 19 19 36 28 26 27 32 30 29 31 33 49 55 50 36 37 38 18 20 21 31 33 23 25 24 22 36 58 24 25 11 53 ...

Page 407: ...5 DM 800V 75A 1 10 Transistor Module 17H07049B P28434 IPM 6MBP100RTB060 50 1 11 PV113 S 17H16919C P29746 PCB2 PV113 1 12 Collar H17G15233B 2 13 Collar H17G15233C 1 14 Bushing H17G15232A 3 15 Spacer H7D01151A 1 16 Spacer H7D01151B 1 17 Radiation Fin H17F03877A 1 18 Radiation Fin H17F03878A 1 19 Thermistor for R Fin H7D02341A QU015013 THM for Inverter Fin 1 20 Capacitor H17B37350B QU014005 CB 450V 4...

Page 408: ... 12 7 A 4x10 A 4x10 A 4x10 A 4x10 B 3x10 H 3 J 3 B 4x10 H 4 J 4 B 4x10 H 4 J 4 B 5x16 H 5 J 5 B 4x16 H 4 J 4 5 19 26 9 17 18 10 27 28 24 22 A 4x10 11 A B C D E F G H J K Truss Head Tapping Screw Round Head Screw Flat Head Screw Pan Head Tapping Screw Hexagon Head Bolt Stud Bolt Nut Washer Spring Lock Washer Tooth Lock Washer NOTE A protective coating like zinc is applied to iron and steel for unsp...

Page 409: ... INV 1 12 Diode Module 17G92900K P27779 DM PT50SN16 1 13 Transistor Module 17G92902L P27215 IPM 6MBP50RA120 55 1 14 PV113 S 17H16919E P30461 PCB2 PV113 1 15 Collar H17G15233B 2 16 Collar H17G15233C 1 17 Bushing H17G15232A 3 18 Spacer H7D01151A 1 19 Spacer H7D01151B 1 20 Radiation Fin H17F03877A 1 21 Radiation Fin H17F03878A 1 22 Thermistor for R Fin H7D02341A QU015013 THM for Inverter Fin 1 23 Cap...

Page 410: ... A 4x10 A 4x10 A 4x10 A 4x10 A 4x10 A 4x10 A 4x10 B 4x10 H 4 J 4 B 4x10 H 4 J 4 LOCATION OF SERVICE PARTS IN THE UNIT MODEL H Y VAHP072B41CW Electrical Parts 460V 60Hz H Y VAHP096B41CW A B C D E F G H J K Truss Head Tapping Screw Round Head Screw Flat Head Screw Pan Head Tapping Screw Hexagon Head Bolt Stud Bolt Nut Washer Spring Lock Washer Tooth Lock Washer NOTE A protective coating like zinc is...

Page 411: ...r Unit Draw No Part No H Y VAHP072B31CW H Y VAHP096B31CW 1 Sub Electrical Box H7C01437A 1 2 Terminal Block H7C04157A QU013003 1 3 Mag Contactor 17B25840G P28818 CMC2 1 4 Current Sensor H7D06486A QU019002 CT2 1 5 Circuit Breaker 17B42992B P29103 FFB2 32A 1 No Part Name Replacement Part Remarks ...

Page 412: ...Unit Draw No Part No H Y VAHP072B41CW H Y VAHP096B41CW 1 Sub Electrical Box H7C01437A 1 2 Terminal Block H7C04157A QU013003 1 3 Mag Contactor 17B46286A P30509 CMC2 1 4 Current Sensor H7C04166A QU019001 CT2 1 5 Circuit Breaker 17B46288A P30511 FFB2 15A 1 No Part Name Replacement Part Remarks ...

Page 413: ...H Y VAHP096B31CW H Y VAHP072B41CW H Y VAHP096B41CW A B C D E F G H J K Truss Head Tapping Screw Round Head Screw Flat Head Screw Pan Head Tapping Screw Hexagon Head Bolt Stud Bolt Nut Washer Spring Lock Washer Tooth Lock Washer NOTE A protective coating like zinc is applied to iron and steel for unspecified materials like a bolt or screw ...

Page 414: ...r Assy H17H26002A 1 5 Service Cover H17H25235A 1 6 Circuit Breaker 17B46287A P30510 FFB3 1 7 Noise Filter H7B00626A QU085008 1 8 Spacer 17G26058A P21187 6 9 Fuse H7B03335A QU004006 7A 2 10 Fuse Holder H17B47429A QU004008 600VAC 30A 1 11 Terminal Block H7C01790B QU013001 TB4 1 12 Terminal Block H7C04158A QU013004 TB5 1 13 Transformer H7B03334A QU082003 1 14 TF Box Assy H7B03336B 1 No Part Name Repl...

Page 415: ...x10 A 4x16 A 4x16 3 10 12 4 5 13 2 7 8 6 11 9 14 B 8x20 H 8 J 8 A B C D E F G H J K Truss Head Tapping Screw Round Head Screw Flat Head Screw Pan Head Tapping Screw Hexagon Head Bolt Stud Bolt Nut Washer Spring Lock Washer Tooth Lock Washer NOTE A protective coating like zinc is applied to iron and steel for unspecified materials like a bolt or screw ...

Page 416: ... 2016 Johnson Controls Inc SM 16007 Code No LIT 12012400 Issued November 2016 ...

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