Panasonic CS-MKE7NKU Technical & Service Manual Download

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CU-3KE19NBU (3-room multi unit)
CU-4KE24NBU (4-room multi unit)
CU-4KE31NBU (4-room multi unit)

< Applicable Multi-Outdoor Units >

INDOOR UNIT : CS-MKE7NKU

CS-MKE9NKU
CS-MKE12NKU
CS-MKE18NKU
CS-MKE24NKU

DC INVERTER MULTI-SYSTEM AIR CONDITIONER

Wall Mounted Type Indoor Unit

CS-MKE7NKU
CS-MKE9NKU
CS-MKE12NKU

CS-MKE18NKU
CS-MKE24NKU

Product Code No.

1 852 360 99

1 852 361 00

1 852 361 01

1 852 361 02

1 852 361 03

Capacity

7,500BTU / h

9,000BTU / h

11,900BTU / h

17,500BTU / h

24,200BTU / h

Indoor Model No.

CS-MKE7NKU

CS-MKE9NKU

CS-MKE12NKU

CS-MKE18NKU

CS-MKE24NKU

AIR CONDITIONER

IMPORTANT

These air conditioners employ new
refrigerant R410A.

Pay special attention when
servicing the unit.

TECHNICAL & SERVICE MANUAL

REFERENCE NO.

700874

Summary of Contents for CS-MKE7NKU

Page 1: ...MKE7NKU CS MKE9NKU CS MKE12NKU CS MKE18NKU CS MKE24NKU Product Code No 1 852 360 99 1 852 361 00 1 852 361 01 1 852 361 02 1 852 361 03 Capacity 7 500BTU h 9 000BTU h 11 900BTU h 17 500BTU h 24 200BT...

Page 2: ...ction perform the repair work after sufficiently discharging it Insufficient capacitor discharge may cause an electric shock Do not perform repair work on the electric sections with wet hands Doing so...

Page 3: ...n Caution Do not wash the air conditioner with water as this may cause an electric shock or fire For the repair work in places with high humidity or moisture make sure to ground the unit Failure to do...

Page 4: ...ELECTRICAL DATA 6 1 Electric Wiring Diagrams 7 FUNCTIONS 7 1 Operation Functions 7 2 Protective Functions 8 TROUBLESHOOTING BEFORE CALLING FOR SERVICE 8 1 Precautions before Performing Inspection or R...

Page 5: ...TDOOR UNITS CS MKE7NKU CS MKE9NKU CS MKE12NKU CS MKE18NKU CS MKE24NKU 3 Room CU 3KE19NBU YES YES YES YES NO 4 Room CU 4KE24NBU YES YES YES YES YES 4 Room CU 4KE31NBU YES YES YES YES YES Indoor Unit Mu...

Page 6: ...WB 67 F DB 57 F WB 80 F DB 67 F WB DB WB 1 OPERATING RANGE Maximum Minimum Maximum Minimum 115 F DB 14 F DB 75 F DB 65 F WB DB 0 F WB Temperature Indoor Air Intake Temp Outdoor Air Intake Temp Coolin...

Page 7: ...Running Amperes Refrigerant Tubing Kit Narrow tube Wide tube Refrigerant inch mm Tube Diameter inch mm 19 8 24 3 2 82 9 0 11 0 7 7 16 189 32 15 32 825 11 7 32 285 0 08 1 4 6 35 3 8 9 52 Flare Type 33...

Page 8: ...gerant Tubing Kit Narrow tube Wide tube Refrigerant inch mm Tube Diameter inch mm 19 8 24 3 2 82 9 0 11 0 7 7 16 189 32 15 32 825 11 7 32 285 0 08 1 4 6 35 3 8 9 52 Flare Type 33 30 27 23 33 30 27 23...

Page 9: ...igerant Tubing Kit Narrow tube Wide tube Refrigerant inch mm Tube Diameter inch mm 19 8 24 3 2 82 9 0 11 0 7 7 16 189 32 15 32 825 11 7 32 285 0 08 1 4 6 35 3 8 9 52 Flare Type 34 31 28 23 34 31 28 23...

Page 10: ...igerant Tubing Kit Narrow tube Wide tube Refrigerant inch mm Tube Diameter inch mm 19 8 24 3 2 82 9 0 11 0 7 7 16 189 32 15 32 825 11 7 32 285 0 08 1 4 6 35 3 8 9 52 Flare Type 34 31 28 23 34 31 28 23...

Page 11: ...igerant Tubing Kit Narrow tube Wide tube Refrigerant inch mm Tube Diameter inch mm 19 8 24 3 2 82 9 0 11 0 7 7 16 189 32 15 32 825 11 7 32 285 0 08 1 4 6 35 3 8 9 52 Flare Type 34 31 29 25 36 33 29 25...

Page 12: ...igerant Tubing Kit Narrow tube Wide tube Refrigerant inch mm Tube Diameter inch mm 19 8 24 3 2 82 9 0 11 0 7 7 16 189 32 15 32 825 11 7 32 285 0 08 1 4 6 35 3 8 9 52 Flare Type 34 31 29 25 36 33 29 25...

Page 13: ...gerant Tubing Kit Narrow tube Wide tube Refrigerant inch mm Tube Diameter inch mm 26 5 33 1 12 0 15 0 8 5 8 219 41 15 16 1 065 11 23 32 298 1 4 6 35 1 2 12 7 Flare Type 40 37 34 28 41 38 34 28 R410A W...

Page 14: ...gerant Tubing Kit Narrow tube Wide tube Refrigerant inch mm Tube Diameter inch mm 26 5 33 1 12 0 15 0 8 5 8 219 41 15 16 1 065 11 23 32 298 1 4 6 35 1 2 12 7 Flare Type 40 37 34 28 41 38 34 28 R410A W...

Page 15: ...erant Tubing Kit Narrow tube Wide tube Refrigerant inch mm Tube Diameter inch mm 26 5 33 1 12 0 15 0 8 5 8 219 41 15 16 1 065 11 23 32 298 1 4 6 35 5 8 15 88 Flare Type 43 40 37 30 44 41 38 30 R410A W...

Page 16: ...erant Tubing Kit Narrow tube Wide tube Refrigerant inch mm Tube Diameter inch mm 26 5 33 1 12 0 15 0 8 5 8 219 41 15 16 1 065 11 23 32 298 1 4 6 35 5 8 15 88 Flare Type 43 40 37 30 44 41 38 30 R410A W...

Page 17: ...Control PCB Control Circuit Fuse Controls Part No Microprocessor 250V 3A CB CS MKE7NKU 1 D3 5 8 L24 31 32 D92 L634 Cross Flow DC Motor SIC 41CVJ D847 4 1 8 47 1 050 1 100 Internal Controller Yes Fan Q...

Page 18: ...CHANGE WITHOUT NOTICE Yes Control PCB Control Circuit Fuse Controls Part No Microprocessor 250V 3A CB CS MKE9NKU 1 D3 5 8 L24 31 32 D92 L634 Cross Flow DC Motor SIC 41CVJ D847 4 1 8 47 1 100 1 150 In...

Page 19: ...CHANGE WITHOUT NOTICE Yes Control PCB Control Circuit Fuse Controls Part No Microprocessor 250V 3A CB CS MKE12NKU 1 D3 5 8 L24 31 32 D92 L634 Cross Flow DC Motor SIC 41CVJ D847 4 1 8 47 1 200 1 200 I...

Page 20: ...CHANGE WITHOUT NOTICE Yes Control PCB Control Circuit Fuse Controls Part No Microprocessor 250V 3A CB CS MKE18NKU 1 D3 5 8 L33 9 32 D92 L845 Cross Flow DC Motor SIC 41CVJ D847 3 1 8 30 1 200 1 200 In...

Page 21: ...CHANGE WITHOUT NOTICE Yes Control PCB Control Circuit Fuse Controls Part No Microprocessor 250V 3A CB CS MKE24NKU 1 D3 5 8 L33 9 32 D92 L845 Cross Flow DC Motor SIC 41CVJ D847 3 1 8 30 1 300 1 300 In...

Page 22: ...KE7NKU CS MKE9NKU CS MKE12NKU CS MKE18NKU CS MKE24NKU Indoor heat exchanger sensor PTM D51H S4 1 TH1 Model No of sensor Sensor Name 1 1 1 Quantity of Sensor 0 0 PTM D51H S4 2 TH1 0 0 0 1 1 0 32 50 68...

Page 23: ...3 DIMENSIONAL DATA Indoor Unit CS MKE7NKU CS MKE9NKU CS MKE12NKU Unit inch mm 852 0 0010 215 00 0 23...

Page 24: ...Indoor Unit CS MKE18NKU CS MKE24NKU Unit inch mm 852 0 0010 216 00 0 24...

Page 25: ...AGRAM 4 1 Refrigerant Flow Diagram Indoor Unit CS MKE7NKU CS MKE9NKU CS MKE12NKU Indoor Unit CS MKE18NKU Indoor Unit CS MKE24NKU Indoor heat exchanger Cooling cycle Heating cycle Indoor unit Indoor he...

Page 26: ...ocity ft sec Vertical distance ft Room air temp 80 F 26 7 C Fan speed High Cooling Flap angle 0 Axis air velocity 0 Flap angle 30 Axis air velocity 30 Flap angle 45 Axis air velocity 45 Flap angle 60...

Page 27: ...igh Heating Horizontal distance ft Axis air velocity ft sec Vertical distance ft Room air temp 80 F 26 7 C Fan speed High Cooling Flap angle 0 Axis air velocity 0 Flap angle 30 Axis air velocity 30 Fl...

Page 28: ...High Heating Horizontal distance ft Axis air velocity ft sec Vertical distance ft Room air temp 80 F 26 7 C Fan speed High Cooling Flap angle 0 Axis air velocity 0 Flap angle 30 Axis air velocity 30 F...

Page 29: ...High Heating Horizontal distance ft Axis air velocity ft sec Vertical distance ft Room air temp 80 F 26 7 C Fan speed High Cooling Flap angle 0 Axis air velocity 0 Flap angle 30 Axis air velocity 30 F...

Page 30: ...High Heating Horizontal distance ft Axis air velocity ft sec Vertical distance ft Room air temp 80 F 26 7 C Fan speed High Cooling Flap angle 0 Axis air velocity 0 Flap angle 30 Axis air velocity 30 F...

Page 31: ...OR RED PNK BLU BRN YEL 1 5 6 1 5 4 4 6 DCM 6P BLU RED WHT YEL 3 3 2 2 BLU 4 1 2 3 4P WHT HA JEM A AC1 TO OUTDOOR UNIT TERMINAL BASE FAN MOTOR 3 2 1 ROOM THERMISTOR FLAP FM AC2 RED WHT BLK SI WHT WHT W...

Page 32: ...om temperature is below 59 F 15 C Load COOL zone A zone B zone Emergency operation is available when the remote controller malfunctions has been lost or otherwise cannot be used The set temperature is...

Page 33: ...is set mark appears on the remote controller The main unit display lamp also becomes dimmer COOL and DRY modes When the night setback mode is selected the air conditioner automatically raises the tem...

Page 34: ...ame as in the a area When the temperature drops to below 36 F 2 C continuously for 2 minutes or longer the compressor stops Once the freeze condition is detected the air conditioner will work less tha...

Page 35: ...the procedure below to perform detailed trouble diagnostics Step 1 Press and hold the remote controller QUIET button and 1 HR TIMER button At the same time press the ACL reset button Use a pointed obj...

Page 36: ...LY 3 I D PCB FAILURE I D INDOOR 1 OPEN OR SHORT CIRCUIT IN SENSOR 2 POOR CONTACT AT CONNECTOR OR OPEN CIRCUIT AT TERMINAL PRESS FIT LOCATION 3 O D PCB FAILURE O D OUTDOOR O D PCB FAILURE 1 MIS WIRING...

Page 37: ...function fails to operate Check the indoor unit Is the fuse blown Replace the controller Replace the circuit board or the fuse No indicators illuminate and the indoor fan does not rotate Check the pow...

Page 38: ...ween inter unit wirings 1 and 2 Connect a 5 k ohm resistor between inter unit wirings 2 and 3 When the voltage at both ends is measured approximately 12 to 15V DC must be output and the multimeter poi...

Page 39: ...considered An error in the inter unit wiring might be considered ex wire breaking or connection error etc Does the voltage between the terminals 1 and 2 on the indoor unit terminal board reach the rat...

Page 40: ...hen five minutes later perform the self diagnosis Condition E01 Condition E12 Condition E01 An error in the P C Board in the outdoor unit might be considered Connection error between the P C Board in...

Page 41: ...Trouble symptom 1 The fan does not stop when the unit stops Indoor unit controller trouble Trouble symptom 2 The fan motor does not rotate when the unit is operating Diagnostic procedure Disconnect t...

Page 42: ...the system less susceptible to noise Insulate for noise or distance from the noise source Trouble Either of the following trouble may occur 1 The unit may stop suddenly during operation 2 Indicator la...

Page 43: ......

Page 44: ...Operating Instructions CS MKE7NKU CS MKE9NKU CS MKE12NKU APPENDIX A 852 6 4181 217 00 2 A 1...

Page 45: ...itioner uses the refrigerant R410A Split System Air Conditioner Model No Indoor Units CS MKE7NKU CS MKE9NKU CS MKE12NKU Outdoor Units CU 3KE19NBU CU 4KE24NBU CU 4KE31NBU Operating Instructions Before...

Page 46: ...If not in Auto Operation the unit operates at maximum output for 30 minutes regardless of the desired temperature The fan speed is 1 step above High Quiet Operation The fan rotates slower than the fan...

Page 47: ...heat generating objects are placed Avoid To protect the air conditioner from heavy corrosion avoid installing the outdoor unit where salty sea water can splash directly onto it or in sulphurous air ne...

Page 48: ...15 of the FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 this device must accept any interference received including interferenc...

Page 49: ...ed air is blown out of the air conditioner through the air outlet Remote Controller The remote controller controls power ON OFF operation mode selection temperature fan speed timer setting and air swe...

Page 50: ...ed DRY orange and COOL green mode The OPERATION lamp lights up red and orange alternately when the system is defrosting TIMER lamp This lamp lights when the system is being controlled by the timer QUI...

Page 51: ...imer ON Timer OFF Timer 1 hour OFF Timer 5 NIGHT SETBACK 6 Confirmation of transmission 7 Auto flap indication Flap angle indication Sweep indication 8 High power operation 9 Quiet operation Displayed...

Page 52: ...is for turning the air conditioner on and off 1 HR TIMER button 1 HOUR OFF TIMER When you press this button regardless of whether the unit is operating or stopping the unit operates for one hour and t...

Page 53: ...t If selected in a cooling or dry operation the flap is set at position 7 in the following chart The airflow direction can be set manually six positions The flap moves up and down automatically When y...

Page 54: ...eries The batteries last about six months depending on how much you use the remote controller Replace the batteries when the remote controller s display fails to light or when the remote controller ca...

Page 55: ...rom the remote controller every 5 minutes Mounting the Remote Controller Before mounting the remote controller press the ON OFF operation button at the mounting location to make sure that the air cond...

Page 56: ...t breaker on the power panel is turned on Once mode is selected and the unit is preset by following the steps below you can have the air conditioner automatically bring the room to the desired tempera...

Page 57: ...press the ON OFF operation button STEP 3 Press the TEMP setting buttons to change the temperature setting to the desired temperature Adjustable temperature range STEP 4 Set the FAN SPEED selector but...

Page 58: ...5 minute time delay circuit to ensure reliable operation When the operation button is pressed the compressor will start running within three minutes In the event of power failure the unit will stop 3...

Page 59: ...another 30 minutes have passed regardless of the indoor temperature when night setback was selected This enables you to save energy without sacrificing comfort This function is convenient when gentle...

Page 60: ...cept automatic operation Press the HIGH POWER button while unit is operating The mark appears in the display To cancel press HIGH POWER button again When the HIGH POWER button is pressed the unit oper...

Page 61: ...alternately until defrosting is completed Heating operation restarts after several minutes This interval will vary slightly depending upon the outdoor temperature and the way in which frost forms Cold...

Page 62: ...rn button until PM 10 30 is displayed The time can be set in 1 minute increments Holding down the button advances the time rapidly in 10 minute increments 3 Press the CLOCK button again This completes...

Page 63: ...ates as if it is turned off Operation Indication 1 Press the ON TIME setting button once The timer indication is displayed and the present ON time is shown 2 Press the Advance Return button until AM 7...

Page 64: ...s to operate for one hour from that point in time and then stops It is not possible to use the OFF Timer and 1 Hour OFF Timer together Whichever function is set last takes precedence If the 1 HR TIMER...

Page 65: ...ion position until the air being blown out of the unit begins to warm Once the air warms up the flap position and fan speed change to the settings specified with the remote controller Use the FLAP but...

Page 66: ...ing 2 Do not pour water on the indoor unit to clean it This will damage the internal components and cause an electric shock hazard Casing and Grille Indoor Unit Clean the casing and grille of the indo...

Page 67: ...ter and dry it How to replace the filter 1 With the FRONT mark of the filter at the front align the two indentions near the mark with the hooks at the rear of the air intake grille and then mount the...

Page 68: ...ce the filter on page 23 When using a footstool or the like be careful not to let it tip over Washing the grille with water Clean the grille gently using a soft sponge or the like Then wipe away any r...

Page 69: ...w 2 Heat source or many people in room 2 Eliminate heat source if possible 3 Doors and or windows are open 3 Shut them to keep the heat or cold out 4 Obstacle near air intake or air discharge port 4 R...

Page 70: ...34 31 29 11 7 32 32 15 32 7 7 16 285 825 189 19 8 9 0 CS MKE12NKU Model No Outdoor Unit CU 4KE24NBU CU 3KE19NBU Single phase 208 230 V 60 Hz Heating Capacity Operation Sound Unit Dimensions H W D Net...

Page 71: ......

Page 72: ...Operating Instructions CS MKE18NKU CS MKE24NKU 852 6 4181 218 00 2 APPENDIX B A 2...

Page 73: ...No 1006 Kadoma Kadoma City Osaka Japan 85264181218002 Indoor Units CS MKE18NKU CS MKE24NKU Outdoor Units CU 3KE19NBU CU 4KE24NBU CU 4KE31NBU Operating Instructions Before operating the unit read these...

Page 74: ...If not in Auto Operation the unit operates at maximum output for 30 minutes regardless of the desired temperature The fan speed is 1 step above High Quiet Operation The fan rotates slower than the fan...

Page 75: ...heat generating objects are placed Avoid To protect the air conditioner from heavy corrosion avoid installing the outdoor unit where salty sea water can splash directly onto it or in sulphurous air ne...

Page 76: ...15 of the FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 this device must accept any interference received including interferenc...

Page 77: ...ed air is blown out of the air conditioner through the air outlet Remote Controller The remote controller controls power ON OFF operation mode selection temperature fan speed timer setting and air swe...

Page 78: ...d DRY orange and COOL green mode The OPERATION lamp lights up red and orange alternately when the system is defrosting TIMER lamp This lamp lights when the system is being controlled by the timer QUIE...

Page 79: ...imer ON Timer OFF Timer 1 hour OFF Timer 5 NIGHT SETBACK 6 Confirmation of transmission 7 Auto flap indication Flap angle indication Sweep indication 8 High power operation 9 Quiet operation Displayed...

Page 80: ...is for turning the air conditioner on and off 1 HR TIMER button 1 HOUR OFF TIMER When you press this button regardless of whether the unit is operating or stopping the unit operates for one hour and t...

Page 81: ...t If selected in a cooling or dry operation the flap is set at position 7 in the following chart The airflow direction can be set manually six positions The flap moves up and down automatically When y...

Page 82: ...teries The batteries last about six months depending on how much you use the remote controller Replace the batteries when the remote controller s display fails to light or when the remote controller c...

Page 83: ...rom the remote controller every 5 minutes Mounting the Remote Controller Before mounting the remote controller press the ON OFF operation button at the mounting location to make sure that the air cond...

Page 84: ...t breaker on the power panel is turned on Once mode is selected and the unit is preset by following the steps below you can have the air conditioner automatically bring the room to the desired tempera...

Page 85: ...press the ON OFF operation button STEP 3 Press the TEMP setting buttons to change the temperature setting to the desired temperature Adjustable temperature range STEP 4 Set the FAN SPEED selector but...

Page 86: ...5 minute time delay circuit to ensure reliable operation When the operation button is pressed the compressor will start running within three minutes In the event of power failure the unit will stop 3...

Page 87: ...another 30 minutes have passed regardless of the indoor temperature when night setback was selected This enables you to save energy without sacrificing comfort This function is convenient when gentle...

Page 88: ...cept automatic operation Press the HIGH POWER button while unit is operating The mark appears in the display To cancel press HIGH POWER button again When the HIGH POWER button is pressed the unit oper...

Page 89: ...alternately until defrosting is completed Heating operation restarts after several minutes This interval will vary slightly depending upon the outdoor temperature and the way in which frost forms Cold...

Page 90: ...rn button until PM 10 30 is displayed The time can be set in 1 minute increments Holding down the button advances the time rapidly in 10 minute increments 3 Press the CLOCK button again This completes...

Page 91: ...ates as if it is turned off Operation Indication 1 Press the ON TIME setting button once The timer indication is displayed and the present ON time is shown 2 Press the Advance Return button until AM 7...

Page 92: ...s to operate for one hour from that point in time and then stops It is not possible to use the OFF Timer and 1 Hour OFF Timer together Whichever function is set last takes precedence If the 1 HR TIMER...

Page 93: ...ion position until the air being blown out of the unit begins to warm Once the air warms up the flap position and fan speed change to the settings specified with the remote controller Use the FLAP but...

Page 94: ...ing 2 Do not pour water on the indoor unit to clean it This will damage the internal components and cause an electric shock hazard Casing and Grille Indoor Unit Clean the casing and grille of the indo...

Page 95: ...to replace the filter 1 With the FRONT mark of the filter at the front align the two indentions near the mark with the hooks at the rear of the air intake grille and then mount the filter 2 Allow the...

Page 96: ...ce the filter on page 23 When using a footstool or the like be careful not to let it tip over Washing the grille with water Clean the grille gently using a soft sponge or the like Then wipe away any r...

Page 97: ...w 2 Heat source or many people in room 2 Eliminate heat source if possible 3 Doors and or windows are open 3 Shut them to keep the heat or cold out 4 Obstacle near air intake or air discharge port 4 R...

Page 98: ...g 26 5 12 0 26 5 12 0 Model No Outdoor Unit CU 3KE19NBU CU 4KE24NBU CU 4KE31NBU Power Source Single phase 208 230 V 60 Hz Cooling Capacity kW 5 45 2 90 5 45 6 80 2 90 6 80 9 00 2 90 9 00 BTU h 18 600...

Page 99: ......

Page 100: ...INSTALLATION INSTRUCTIONS CS MKE7NKU CS MKE9NKU CS MKE12NKU CS MKE18NKU CS MKE24NKU APPENDIX C 852 6 4190 583 00 0 A 3...

Page 101: ...LL THE INDOOR UNIT 7 3 1 Remove the Rear Panel from the Unit 3 2 Make a Hole 3 3 Install the Rear Panel on the Wall 3 4 Removing and Installing the Grille 3 5 Shape the Indoor Side Tubing 3 6 Wiring I...

Page 102: ...zard 7R SUHYHQW SRVVLEOH KD DUGV IURP LQVXODWLRQ IDLOXUH the unit must be grounded When Transporting Be careful when picking up and moving the indoor and out door units Get a partner to help and bend...

Page 103: ...ILQJHUV DQG FORWKLQJ DZD IURP DQ PRYLQJ parts OHDQ XS WKH VLWH DIWHU RX ILQLVK UHPHPEHULQJ WR FKHFN that no metal scraps or bits of wiring have been left inside the unit being serviced Others 9HQWLODW...

Page 104: ...r tube for refrigerant tub ing as detailed in Table 2 Cut each tube to the appropriate lengths 1 to 1 4 30 cm to 40 cm to dampen vibration between units Table 2 2 Foamed polyethylene insulation for th...

Page 105: ...st select a location that will hold the weight of the unit select a location where tubing and drain hose have the shortest run to the outside Fig 1 allow room for operation and maintenance as well as...

Page 106: ...ends securely If a tube is left open for an extended time moisture in the air inside the tubing may condense into water droplets and lead to water contamination of the refrig erant circuit In order to...

Page 107: ...drain cap on page 15 3 2 Make a Hole 1 Place the rear panel from the indoor unit on the wall at the location selected Make sure the panel is hori zontal using a carpenter s level or tape measure to m...

Page 108: ...on the wall type a If Wooden Wall 1 Attach the rear panel to the wall with the 8 screws provided Fig 13a or 13b If you are not able to line up the holes in the rear panel with the beam locations marke...

Page 109: ...lots and push the lower part of the grille back into position 2 Make sure that the grille and frame are firmly fitted together by engaging the tabs 3 Attach the thermistor on the grille Fig 17a 4 Clos...

Page 110: ...o the frame first Fig 18b 1 Then insert the tabs on the top of the grille and on the front face into the frame 2 Make sure that the grille and frame are firmly fitted together by engaging the tabs 3 A...

Page 111: ...agram 2 Provide a power outlet to be used exclusively for each unit with a power supply disconnect and cir cuit breaker for overcurrent protection provided in the exclusive line 3 To prevent possible...

Page 112: ...ring from the back of the indoor unit and pull it toward the front for connec tion Figs 26a and 26b 5 Connect the inter unit wiring to the corresponding terminals on the terminal plate Figs 26a and 26...

Page 113: ...the terminal screw 4 Shape the loop wire properly place it on the termi nal plate and fix it securely with the removed termi nal screw using a screwdriver For stranded wiring 1 Cut the wire end with a...

Page 114: ...unit so it is securely seated on the rear panel Fig 36 3 Carefully bend the tubing if necessary to run along the wall in the direction of the outdoor unit and then tape as far as the fittings See Cau...

Page 115: ...rain hose fully onto the drain pan outlet until the drain hose edge is pushed into the insula tion Check that the screw holes in the drain bracket and the drain pan outlet are aligned and securely in...

Page 116: ...ose should be slanted downward to the outdoors Fig 43 b Never form a trap in the course of the hose c If the drain hose will run in the room insulate the hose with insulation so that chilled condensat...

Page 117: ...t blinking Fig 59c IWHU PLQXWHV WKH V VWHP VKLIWV LQWR FRROLQJ RSHUD tion and cool air will start to be felt Cooling mode test run is unaffected by the room temperature 3 Press the ON OFF operation bu...

Page 118: ...is an obstacle between the remote con troller and the air conditioner since a check signal is sent from the remote controller every 5 minutes 5 1 Mounting on a Wall Before mounting the remote control...

Page 119: ...H WLS RI D SHQ IWHU VHFRQGV UHOHDVH WKH button first then release the QUIET and 1HR TIMER buttons oP 1 Test Run appears blinking in the remote controller clock display area 4 Each time the 1HR TIMER b...

Page 120: ...stalled level and vertically The power and voltage are as specified Inter unit cables are securely inserted into the terminal block Inter unit cables are securely fixed The power cable and inter unit...

Page 121: ......

Page 122: ...DC1111 0...

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