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Troubleshooting

122

Electrical Control System

2.4 Solving steps for typical malfunction

2.4.1 For the indoor unit

2.4.1.1 Open or short circuit of temperature sensor

Check the connections

between temperature
sensor and PCB. Are

the connections good?

Correct the connections.

Yes

Replace indoor or outdoor PCB.

Replace the sensor

Check the resistance value

of the sensor via Appendix 1

Is it normal?

Содержание LISAS-B-1403

Страница 1: ...CYB Ceiling Cassette RYB Concealed Ducted UYB Floor Ceiling Flexmount FYB Floor Console DC INVERTER Split Heat Pumps Service Manual 2014 LISAS B 1403 ...

Страница 2: ...n 1 Part 2 Indoor Units 5 Part 3 Outdoor Units 60 Part 4 Installation 71 Part 5 Electrical Control System 103 The specifications designs and information in this book are subject to change without notice for product improvement ...

Страница 3: ...General Information General Information 1 Part 1 General Information 1 Model Lists 2 2 External Appearance 3 2 1 Indoor Units 3 2 2 Outdoor Units 3 3 Features 4 ...

Страница 4: ...tdoor Units Universal Outdoor unit Model Compressor type Compressor Brand Matched indoor units YN012GMFI16RUD Rotary GMCC CB012GMFI16MLD RB012GMFI16MLD UB012GMFI16MLD FB012GMFI16MLD YN018GMFI16RUD Rotary GMCC CB018GMFI16MLD RB018GMFI16MLD UB018GMFI16MLD YN024GMFI16RUD Rotary GMCC CB024GMFI16MLD RB024GMFI16MLD UB024GMFI16MLD YN036GMFI16RUD Rotary MITSUBISHI CB036GMFI16MLD RB036GMFI16MLD UB036GMFI16...

Страница 5: ... 2 External Appearance 2 1 Indoor Units 4 way cassette 12K 18K CB 4 way cassette 24K 48K CB Concealed Duct RB Floor Console FB Ceiling Floor 12K 18K UB Ceiling Floor 24K 48K UB 2 2 Outdoor Units Single fan outdoor unit Double fan outdoor unit ...

Страница 6: ... and follow me function 4 4 Slim cassette with standard remote controller wire controller and CCM for optional Med Duct and HESP duct with standard wired controller remote controller and CCM for optional 4 5 Standard anti cold air function 4 6 Standard auto defrosting function 4 7 Standard self diagnose function 4 8 Standard timer function and sleep mode function controlled by controller ...

Страница 7: ...Indoor Units Indoor Units 5 Part 2 Indoor Units 4 way Cassette Type 6 Duct Type 22 Ceiling Floor Type 37 Console Type 49 ...

Страница 8: ...way Cassette Type 1 Features 12K 18K 7 2 Features 24K 36K 9 3 Dimensions 14 4 Service Space 16 5 Wiring Diagrams 17 6 Electric Characteristics 18 7 Sound Levels 18 8 Accessories 19 9 The Specification of Power 20 10 Field Wiring 21 ...

Страница 9: ...ze is 647 50 647mm The hooks are designed in the four corners of the body which can save installation space 1 3 Electric control box built in design The E box is simply and safely built inside the indoor unit It s convenient for installation and maintenance Can check the control part easily you only need to open the air return grille 1 4 Air passage function Reserves the space for air outlet from ...

Страница 10: ...Features 12K 18K 8 Indoor Units ...

Страница 11: ... Auto lifting panel design more convenient to clean and maintain the filter optional Old Cassette New slim cassette Volume change Dimension 18K 24K 840 230 840 18K 24K 840 205 840 11 30K 840 300 840 30K 840 205 840 32 36K 48K 840 300 840 36K 48K 840 245 840 18 2 2 Fresh air intake function Fresh air fulfills air quality more healthy and comfortable Ventilation motor is optional to increase the eff...

Страница 12: ...be switched on or off by remote controller When pressing the Clean Air button on the remote controller Ionizer will work and the indicator light on display board will shine New air intake I Io on ni iz ze er r g ge en ne er ra at to or r c co on nn ne ec ct to or r V Ve en nt ti il la at ti io on n m mo ot to or r c co on nn ne ec ct to or r ...

Страница 13: ... Reserve external air duct more flexible for the air supply 2 5 Built in draining pump Due to the improvement of structure more convenient to repair or replace the draining pump Built in draining pump to make sure condensed water drain out reliably Draining Pump ...

Страница 14: ...istance on off controller more human control 2 7 Optional touch screen wired controller Touch screen wired controller is optional with error code indication function Better man machine conversation interface Undated structure design 4 way wire layout design no raised part at backside more convenient to place the wires and install the device Alarm lamp Long distance on off controller ...

Страница 15: ...Features 24K 36K Indoor Units 13 ...

Страница 16: ...anel E parts box Gas side Liquid side 4 install hanger Body Wiring connection port Drain pipe 32 Fresh air intake 65 570 545 570 523 260 647 647 50 150 Distribution duct 170 2 2 4 Screw hole for install panel Drain hole for Service 75 156 125 68 40 44 ...

Страница 17: ...680 780 780 680 136 126 91 196 132 A A B A A B A A B A B Service hole for draining pump Fresh air intake 75 55 80 80 4 install hanger Gas side Liquid side E parts box 135 90 Panel Body 92 92 92 92 D D 92 92 D D D D 92 92 92 92 92 92 92 92 D D Unit mm Model A B C D 24K 160 75 205 50 36K 160 95 245 60 48K 160 95 287 60 ...

Страница 18: ...Service Space 16 Indoor Units 4 Service Space ...

Страница 19: ...Wiring Diagrams Indoor Units 17 5 Wiring Diagrams CB012GMFI16MLD CB018GMFI16MLD CB024GMFI16MLD CB036GMFI16MLD CB048GMFI16MLD ...

Страница 20: ...B018GMFI16LMD 60 208 230V 187V 253V CB024GMFI16LMD 60 208 230V 187V 253V CB036GMFI16LMD 60 208 230V 187V 253V CB048GMFI16LMD 60 208 230V 187V 253V 6 Sound Levels 1 4m Microphone Model Noise level dB A H M L CB012GMFI16LMD 51 46 40 5 CB018GMFI16LMD 51 46 40 5 CB024GMFI16LMD 51 47 43 CB036GMFI16LMD 52 47 44 CB048GMFI16LMD 52 48 44 ...

Страница 21: ...3 Installation paper board 1 Drainpipe Fittings 4 Out let pipe sheath 1 5 Out let pipe clasp 1 6 Tightening band 20 7 Drain joint 1 Remote controller Its holder 8 Remote controller 1 9 Remote controller holder 1 10 Mounting screw ST2 9 10 C H 2 11 Alkaline dry batteries AM4 2 Others 12 Owner s manual 1 13 Installation manual 1 ...

Страница 22: ...ic Signal 4 1 5 AWG16 Low Voltage Electric Signal Model CB024GMFI24MLD CB036GMFI16MLD CB048GMFI16MLD Power Phase 1 phase 1 phase 1 phase Frequency and Voltage 208 230V 60Hz 208 230V 60Hz 208 230V 60Hz Circuit Breaker Fuse A 40 30 60 40 70 55 Indoor Unit Power Wiring mm2 Indoor Outdoor Connecting Wiring Ground Wiring 4 0 AWG12 4 0 AWG12 4 0 AWG12 Outdoor Unit Power Wiring 3 4 0 AWG12 3 4 0 AWG12 3 ...

Страница 23: ...Field Wiring Indoor Units 21 9 Field Wiring CB012GMFI16MLD CB018GMFI16MLD CB024GMFI16MLD CB036GMFI16MLD CB048GMFI16MLD ...

Страница 24: ...Units Duct Type 1 Features 23 2 Dimensions 26 3 Service Space 27 4 Wiring Diagrams 28 5 Static Pressure 30 6 Electric Characteristics 32 7 Sound Level 33 8 Accessories 34 9 The Specification of Power 35 10 Field Wiring 36 ...

Страница 25: ...m bottom to rear side or from rear to the bottom in order to matching the installation condition 1 3 Fresh air intake function Install one duct from the reserved fresh air intake to outdoor Continually inhale the fresh air to improve the quality of the indoor air fulfills air quality more healthy and comfortable 1 4 Easy maintenance Clean the filter Optional standard product without filter It is e...

Страница 26: ...emote on off and central control ports Reserved remote on off ports and central control ports can connect the cable of an on off controller or a central controller to realize remote on off control function or group control function 1 6 Built in drain pump Optional Built in drain pump can lift the water to 750mm upmost It s convenient to install drainage piping under most space condition Motor Blow...

Страница 27: ... with a receiver in the E box Move out the display and fix it in other place even in the distance of 10m The unit will realized remoter control The wired controller and the display board can display the error code or production code when the chips detect some failure Display 750mm upmost Wired Controller Standard Remote Controller Optional ...

Страница 28: ...ard product without filter Unit mm Outline dimension Air outlet opening size Air return opening size Size of install hanger Size of refrigerant pipe Capacity KBtu A B C D E F G H I J K L M H1 H2 W1 W2 12 700 210 635 570 65 493 35 119 595 200 80 740 350 120 143 95 150 18 920 210 635 570 65 713 35 119 815 200 80 960 350 120 143 95 150 24 920 270 635 570 65 713 35 179 815 260 20 960 350 120 143 95 15...

Страница 29: ...Service Space Indoor Units 27 3 Service Space Ensure enough space required for installation and maintenance All the indoor units reserve the hole to joint the fresh air pipe The hole size as following ...

Страница 30: ...Wiring Diagrams 28 Indoor Units 4 Wiring Diagrams RB012GMFI16MLD RB018GMFI16MLD RB024GMFI16MLD RB036GMFI16MLD RB048GMFI16MLD ...

Страница 31: ...Wiring Diagrams Indoor Units 29 ...

Страница 32: ...20 30 40 50 60 70 80 90 Pa 600 700 800 900 1000 1100 Air volume m h 3 External static pressure Pa Highspeed Midspeed 1200 24 000Btu h 36 000Btu h Super high speed 1400 1300 Low speed 10 20 30 40 50 60 70 80 90 Pa 800 900 1000 1100 Air volume m h 3 External static pressure Pa High speed Mid speed 1200 1500 700 2400 2200 1600 1400 Low speed 10 20 30 40 50 60 70 80 90 1100 Air volume m h 3 External s...

Страница 33: ...500 2200 1300 Mid speed High speed External static pressure Pa 3 Air volume m h 1000 90 80 70 60 50 40 30 20 10 Low speed 1600 1900 2800 3100 Metric to Imperial Conversion Every 10 Pa Pascal pressure is equivalent to 0 04 Inches of water column Every 100 m3 h air flow is equivalent to 69 CFM ...

Страница 34: ...ectric Characteristics Model Indoor Unit Hz Voltage Min Max RB012GMFI16LMD 60 208 230V 187V 253V RB018GMFI16LMD 60 208 230V 187V 253V RB024GMFI16LMD 60 208 230V 187V 253V RB036GMFI16LMD 60 208 230V 187V 253V RB048GMFI16LMD 60 208 230V 187V 253V ...

Страница 35: ...3 6 Sound Level Suction Discharge Microphone 1 4m Concealed Duct Type Duct Duct Model Noise level dB A H M L RB012GMFI16LMD 40 36 33 RB018GMFI16LMD 43 36 33 RB024GMFI16LMD 50 47 43 RB036GMFI16LMD 51 48 44 RB048GMFI16LMD 49 46 43 ...

Страница 36: ...ulation sheath 2 Binding tape 1 Seal sponge 1 Drainpipe Fittings for cooling heating Drain joint 1 Seal ring 1 Wired controller Its Frame Wired controller 1 Others Owner s manual 1 Installation manual 1 EMS It s fitting Magnetic ring twist the electric wires L and N around it to five circles 1 ...

Страница 37: ...g Electric Signal 4 1 5 AWG16 Weak Electric Signal Model RB024GFI16MLD RB036GMFI16MLD RB048GMFI48MLD Power Phase 1 phase 1 phase 1 phase Frequency and Voltage 208 230V 60Hz 208 230V 60Hz 208 230V 60Hz Circuit Breaker Fuse A 40 30 60 40 70 55 Indoor Unit Power Wiring mm2 Indoor Outdoor Connecting Wiring Ground Wiring 4 0 AWG12 4 0 AWG12 4 0 AWG12 Outdoor Unit Power Wiring 3 4 0 AWG12 3 4 0 AWG12 3 ...

Страница 38: ...Field Wiring 36 Indoor Units 9 Field Wiring RB012GMFI16MLD RB018GMFI16MLD RB024GMFI16MLD RB036GMFI16MLD RB048GMFI16MLD ...

Страница 39: ... Indoor Units 37 Ceiling Floor Type 1 Features 38 2 Dimensions 40 3 Service Space 43 4 Wiring Diagrams 44 5 Electric Characteristics 46 6 Sound Levels 46 7 Accessories 47 8 The Specification of Power 47 9 Field Wiring 48 ...

Страница 40: ...s of warm air 1 2 Brief design Brief design that is suitable for any interior will not only give you cooling and heating performance but also upgrade your lifestyle 1 3 3D airflow Vertical air flow and horizontal airflow can be adjusted by remote controller the cooperation of the two airflow ways help to spread air comfortably throughout even a large room With these functions the whole room can be...

Страница 41: ...nel A Panel B Panel LED display C Panel LED display D Panel 1 6 Convenience operating and easy maintenance Remote controller as standard wired controller for optional The filter without screw fixed can be took out easily 1 7 Easy installation save working time The pipes can be connected from bottom back and right side makes the installation more easily The wiring works can be finished before insta...

Страница 42: ...3 Two direction auto swing vertical horizontal and wide angle air flow Air flow directional control minimizes the air resistance and produces wilder air flow to vertical direction The range of horizontal air discharge is widened which secures wider air flow distribution to provide more comfortable air circulation no matter where the unit is set up 1 4 Three level fan speed more humanism design mee...

Страница 43: ... 12K 18K 203 A 660 100 100 Refrigerant pipe hole optional C 200 180 B 506 Ceiling Installation Floor Installation Hanging arm f or ceiling 100 100 Hanging arm f or Floor Refrigerant pipe hole optional Capacity KBtu h A B C 12 18 990 505 907 ...

Страница 44: ... 48K A B 220 222 C 120 2 40 120 140 2 33 Wiring connection port 204 94 Fresh air intake Drain discharge port Refrigerant pipe hole Hanging arm D Capacity Btu h A B C D 24K 1068 675 235 983 36K 1285 675 235 1200 48K 1650 675 235 1565 ...

Страница 45: ...Service Space Indoor Units 43 3 Service Space 12K 18K C Ý 3 5mm Ý 3 5mm Ý 35mm Ý 1000mm 24K 48K ...

Страница 46: ...Wiring Diagrams 44 Indoor Units 4 Wiring Diagrams UB012GMFI16MLD UB018GMFI16MLD ...

Страница 47: ...Wiring Diagrams Indoor Units 45 UB024GMFI16MLD UB036GMFI16MLD UB048GMFI16MLD ...

Страница 48: ...08 230V 187V 253V UB024GMFI16LMD 60 208 230V 187V 253V UB036GMFI16LMD 60 208 230V 187V 253V UB048GMFI16LMD 60 208 230V 187V 253V 6 Sound Levels Microphone 1m 1m Air outlet side 1 5m 1m Microphone Ceiling Floor Model Noise level dB A H M L UB012GMFI16LMD 46 38 34 UB018GMFI16LMD 46 5 38 34 5 UB024GMFI16LMD 58 5 55 52 UB036GMFI16LMD 55 48 41 UB048GMFI16LMD 57 54 52 ...

Страница 49: ...ring mm2 Indoor Outdoor Connecting Wiring Ground Wiring 2 0 AWG14 Outdoor Unit Power Wiring 3 2 0 AWG14 Strong Electric Signal 4 1 5 AWG16 Weak Electric Signal Model UB024GMFI16MLD UB036GMFI16MLD UB048GMFI16MLD Power Phase 1 phase 1 phase 1 phase Frequency and Voltage 208 230V 60Hz 208 230V 60Hz 208 230V 60Hz Circuit Breaker Fuse A 40 30 60 40 70 55 Indoor Unit Power Wiring mm2 Indoor Outdoor Conn...

Страница 50: ...Ceiling Floor Type 48 Indoor Units 9 Field Wiring UB012GMFI16MLD UB018GMFI16MLD UB024GMFI16MLD UB036GMFI16MLD UB048GMFI16MLD ...

Страница 51: ... Indoor Units 49 Console Type 1 Features 51 2 Dimensions 53 3 Service Space 54 4 Wiring Diagrams 55 5 Electric Characteristics 56 6 Sound Levels 57 7 Accessories 58 8 The Specification of Power 58 9 Field Wiring 59 ...

Страница 52: ......

Страница 53: ...hed on or room temp is still high cold air will be blown out from top and bottom air outlet to cool down the room quickly Air outlet from top to maintain room temp When the room has been cooled down or the A C has been opened over 1 hour cold air only from the top outlet to keep constant room temp Heating mode Anti cold air When the AC is just turn on temperature of evaporator is very low in this ...

Страница 54: ...1 5 Low noise DC indoor fan motor which has five speeds Low noise and energy saving Advanced centrifugal fan technology makes a fast airflow and reduces the indoor noise lower to 28dB 1 6 Golden fin is optional 1 7 Active carbon filter is standard ...

Страница 55: ...Dimensions Indoor Units 53 2 Dimensions 16 Drain pipe 195 Hanging arm Unit mm 700 600 210 ...

Страница 56: ...Service Space 54 Indoor Units 3 Service Space ...

Страница 57: ...Wiring Diagrams Indoor Units 55 4 Wiring Diagrams FB012GMFI16MLD ...

Страница 58: ...Electric Characteristics 56 Indoor Units 5 Electric Characteristics Model Indoor Unit Hz Voltage Min Max FB012GMFI16MLD 60 208 230V 187V 253V ...

Страница 59: ...Sound Levels Indoor Units 57 6 Sound Levels 1 5m 1m Microphone Model Noise level dB A H M L FB012GMFI16MLD 41 32 29 5 ...

Страница 60: ...ne dry batteries AM4 2 Others Installation manual 1 Owner s manual 1 8 The Specification of Power Model MFAU 12HRFN1 M Power Phase 1 phase Frequency and Voltage 208 230V 60Hz Circuit Breaker Fuse A 20 16 Indoor Unit Power Wiring mm 2 Indoor Outdoor Connecting Wiring Ground Wiring 2 0 AWG14 Outdoor Unit Power Wiring 3 2 0 AWG14 Strong Electric Signal 4 1 5 AWG16 Weak Electric Signal ...

Страница 61: ...Field Wiring Indoor Units 59 9 Field Wiring MFAU 12HRFN1 M ...

Страница 62: ...Outdoor Units 60 Outdoor Units Part 3 Outdoor Units 1 Dimensions 61 2 Service Space 63 3 Piping Diagrams 64 4 Wiring Diagrams 65 5 Electric Characteristics 68 6 Operation Limits 69 7 Sound Levels 70 ...

Страница 63: ...Units 61 1 Dimensions Model Unit mm A B C D E F H YN012GMFI16RUD 760 530 290 315 270 285 590 YN018GMFI16RUD 845 560 335 360 312 320 700 YN024GMFI16RUD 900 590 333 355 302 315 860 YN036GMFI16RUD 990 624 366 396 340 345 965 ...

Страница 64: ...Dimensions 62 Outdoor Units Model Unit mm A B C D E F H YN048GMFI16RUD 938 634 404 448 370 392 1369 ...

Страница 65: ... Outdoor Units 63 2 Service Space More than 30cm 11 81in More than 60cm 23 62in More than 200cm 78 74in Air inlet Air inlet More than 30cm 11 81in Air outlet Wall or obstacle Maintain channel More than 60cm 23 62in ...

Страница 66: ...sor T4 Ambient temp sensor INDOOR OUTDOOR YN024GMFI16RUD YN036GMFI16RUD YN048GMFI16RUD LIQUID SIDE GAS SIDE HEAT EXCHANGE EVAPORATOR HEAT EXCHANGE CONDENSER Compressor 2 WAY VALVE 3 WAY VALVE 4 WAY VALVE COOLING HEATING T2B Evaporator temp sensor outlet T1 Room temp sensor T3 Condenser temp sensor T5 Discharge temp sensor High pressure switch T4 Ambient temp sensor Low pressure switch INDOOR OUTDO...

Страница 67: ...Wiring Diagrams Outdoor Units 65 4 Wiring Diagrams YN012GMFI16RUD YN018GMFI16RUD ...

Страница 68: ...Wiring Diagrams 66 Outdoor Units YN024GMFI16RUD ...

Страница 69: ...Wiring Diagrams Outdoor Units 67 YN036GMFI16RUD YN048GMFI16RUD ...

Страница 70: ...l Outdoor Unit Power Supply Hz Voltage Min Max MFA YN012GMFI16RUD 60 208 230V 187V 253V 16 YN018GMFI16RUD 60 208 230V 187V 253V 16 YN024GMFI16RUD 60 208 230V 187V 253V 30 YN036GMFI16RUD 60 208 230V 187V 253V 40 YN048GMFI16RUD 60 208 230V 187V 253V 55 Note MFA Max Fuse Amps A ...

Страница 71: ...beyond the above conditions certain safety protection features may come into operation and cause the unit to operate abnormally 2 The room relative humidity should be less than 80 If the air conditioner operates beyond this figure the surface of the air conditioner may attract condensation Please set the vertical air flow louver to its maximum angle vertically to the floor and set HIGH fan mode 3 ...

Страница 72: ...s 70 Outdoor Units 7 Sound Levels H 1 0m Outdoor Unit Microphone Note H 0 5 height of outdoor unit Model Noise Level dB A YN012GMFI16RUD 55 YN018GMFI16RUD 59 YN024GMFI16RUD 61 5 YN036GMFI16RUD 66 YN048GMFI16RUD 64 ...

Страница 73: ...r unit installation 74 4 Outdoor unit installation Side Discharge Unit 91 5 Refrigerant pipe installation 92 6 Drainage pipe installation 94 7 Vacuum Drying and Leakage Checking 98 8 Additional refrigerant charge 99 9 Engineering of insulation 100 10 Engineering of electrical wiring 101 11 Test operation 102 ...

Страница 74: ... Wiring connection and electric safety checking Test operation Refrigerant pipe installation and insulation Drainage pipe installation and insulation Indoor unit installation location selection Outdoor unit installation location selection Indoor unit installation Outdoor unit installation Refrigerant pipe installation and insulation Drainage pipe installation and insulation ...

Страница 75: ...asily support the outdoor unit s weight Locate the outdoor unit as close to indoor unit as possible The piping length and height drop cannot exceed the allowable value The place where the noise vibration and outlet air do not disturb the neighbors There is enough room for installation and maintenance The air outlet and the air inlet are not impeded and not face the strong wind It is easy to instal...

Страница 76: ...ion 3 1 1 Service space for indoor unit 3 1 2 Bolt pitch 3 1 3 Install the pendant bolt Select the position of installation hooks according to the hook holes positions showed in upper picture Drill four holes of Ø12mm 45 50mm deep at the selected positions on the ceiling Then embed the expansible hooks fittings ...

Страница 77: ... the 4 suspender through the 4 hanger of the main body to suspend it Adjust the hexangular nuts on the four installation hooks evenly to ensure the balance of the body Use a leveling instrument to make sure the levelness of the main body is within 1 Adjust the position to ensure the gaps between the body and the four sides of ceiling are even The body s lower part should sink into the ceiling for ...

Страница 78: ... the screws under the panel hooks till the panel closely stick on the ceiling to avoid condensate water Hang the air in grill to the panel then connect the lead terminator of the swing motor and that of the control box with corresponding terminators on the body respectively Note The panel shall be installed after the wiring connected ...

Страница 79: ...ing Heating 36 245 275 R410A and R22 Cooling Cooling Heating 48 287 317 R410A and R22 Cooling Cooling Heating 3 2 2 Bolt pitch 3 2 3 Install the pendant bolt Select the position of installation hooks according to the hook holes positions showed in upper picture Drill four holes of Ø12mm 45 50mm deep at the selected positions on the ceiling Then embed the expansible hooks fittings ...

Страница 80: ...a leveling instrument to make sure the levelness of the main body is within 1 Adjust the position to ensure the gaps between the body and the four sides of ceiling are even The body s lower part should sink into the ceiling for 10 12 mm In general L is half of the screw length of the installation hook Locate the air conditioner firmly by wrenching the nuts after having adjusted the body s position...

Страница 81: ...g the panel to the hooks on the mainbody If the panel is with auto lift grille please watch the ropes lifing the grille DO NOT make the ropes enwinded or blocked Tighten the screws under the panel hooks till the panel closely stick on the ceiling to avoid condensate water ...

Страница 82: ...r in grill to the panel then connect the lead terminator of the swing motor and that of the control box with corresponding terminators on the body respectively Install the 4 corner covers back Note The panel shall be installed after the wiring connected ...

Страница 83: ...Size of outline dimension mounted plug L M 12 740 350 18 24 960 350 36 1180 490 48 1240 500 3 3 3 Install the pendant bolt Select the position of installation hooks according to the hook holes positions showed in upper picture Drill four holes of Ø12mm 45 50mm deep at the selected positions on the ceiling Then embed the expansible hooks fittings ...

Страница 84: ... hexangular nuts on the four installation hooks evenly to ensure the balance of the body Use a leveling instrument to make sure the levelness of the main body is within 1 3 3 5 Install the air filter Insert the air filter through the filter slot and fix it with 2 screws 3 3 6 Install the air duct Please design the air duct as below recommended picture ...

Страница 85: ...ched seal sponge as per the indicating place in the following fig and then change the mounting positions of air return panel and air return flange When install the filter mesh please plug it into flange inclined from air return opening and then push up The installation has finish upon filter mesh which fixing blocks have been insert to the flange positional holes ...

Страница 86: ...n 84 Installation 3 4 Ceiling floor indoor unit installation 24K 48K 3 4 1 Service space for indoor unit 3 4 2 Bolt pitch Ceiling installation Capacity Btu h D E 24K 983 220 36K 1200 220 48K 1565 220 Wall mounted installation ...

Страница 87: ...2mm 45 50mm deep at the selected positions on the ceiling Then embed the expansible hooks fittings Wall mounted installation Install the tapping screws onto the wall Refer to picture below 3 4 4 Install the main body Ceiling installation The only installation method for the unit with drain pump Remove the side board and the grille Locate the hanging arm on the hanging screw bolt Prepare the mounti...

Страница 88: ... Put the side panels and grilles back Wall mounted installation Hang the indoor unit by insert the tapping screws into the hanging arms on the main unit The bottom of body can touch with floor or suspended but the body must install vertically ...

Страница 89: ...allation Installation 87 3 5 Ceiling floor indoor unit installation 12K 18K 3 5 1 Service space for indoor unit 3 5 2 Bolt pitch Ceiling installation Capacity Btu h D F G 12K 18K 505 907 200 Floor standing installation ...

Страница 90: ...he ceiling Then embed the expansible hooks fittings Floor standing installation Fix the hook with tapping screw onto the wall Refer to picture below 3 5 4 Install the main body Ceiling installation The only installation method for the unit with drain pump Remove the side board and the grille For models 48 and 60 do not remove the grille Locate the hanging arm on the hanging screw bolt for some of ...

Страница 91: ...sides some of the models 60 do not do this For some of the models 60 please securely tighten the mounting bolts on both sides Then install the side panels and grilles back to the main unit Floor standing installation Hang the indoor unit on the hook The bottom of body can touch with floor or suspended but the body must install vertically ...

Страница 92: ...ndoor unit installation 3 6 1 Service space for indoor unit 3 6 2 Install the main body Fix the hook with tapping screw onto the wall Hang the indoor unit on the hook The bottom of body can touch with floor or suspended but the body must install vertically ...

Страница 93: ...335 360 24K 590 333 355 36K 624 366 396 48K 634 404 448 4 3Install the Unit Since the gravity center of the unit is not at its physical center so please be careful when lifting it with a sling Never hold the inlet of the outdoor unit to prevent it from deforming Do not touch the fan with hands or other objects Do not lean it more than 45 and do not lay it sidelong Make concrete foundation accordin...

Страница 94: ...he selected pipe with pipe cutter Make the section flat and smooth 9 0 Lean Crude Burr o 5 2 5 Insulate the copper pipe Before test operation the joint parts should not be heat insulated 5 2 6 Flare the pipe Insert a flare nut into the pipe before flaring the pipe According to the following table to flare the pipe Pipe diameter Flare dimension A mm Flare shape Min Max 1 4 6 35 8 3 8 7 R0 4 0 8 A 4...

Страница 95: ... supporters should not be exceed 1 5m 5 2 13 Connect the pipe to indoor unit and outdoor unit by using two spanners Be sure to use two spanners and proper torque to fasten the nut too large torque will damage the bellmouthing and too small torque may cause leakage Refer the following table for different pipe connection Pipe Diameter Torque Sketch map kgf cm N cm 1 4 6 35 144 176 1420 1720 3 8 9 52...

Страница 96: ...ided by the capacity of indoor unit Relationship between water flowrate and capacity of indoor unit Capacity x1000Btu Water flowrate l h 12 2 4 18 4 24 6 30 7 36 8 42 10 48 12 60 14 According to the above table to calculate the total water flowrate for the confluence pipe selection For horizontal drainage pipe The following table is for reference PVC pipe Reference value of inner diameter of pipe ...

Страница 97: ...ong distance Gas bag 6 2 5 The horizontal pipe layout should avoid converse flow or bad flow Drainage pipe Water flow Drainage pipe Drainage pipe Drain tee Drain tee Water flow Water flow Water flow Water flow Water flow Water flow Water flow Water flow Drain tee Branch pipe Water flow Water flow Keep a certain degree Branch pipe Gas Gas Main pipe Main pipe The correct installation will not cause ...

Страница 98: ...ch Refer the following picture for installation reference Flexible pipe 300mm Hanger A A Length of horizontal pipe 150mm B Lift height the pump head of water pump Down incline pipe B 6 2 8 Blowhole setting For the concentrated drainage pipe system there should design a blowhole at the highest point of main pipe to ensure the condensate water discharge smoothly The air outlet shall face down to pre...

Страница 99: ...at drainage outlet In light of the length of drainage pipe water shall be discharged about 1 minute delayed 2 3 Stop the operation of air conditioner power off the power supply and put the cover of water test hole back to the original place a After stopped the air conditioner 3 minutes check whether there is anything abnormal If drainage pipes have not been distributed properly over back flow wate...

Страница 100: ...mmHg after 1 5 hours of drying check whether there is leakage source 4 Leakage test After the vacuum degree reaches 755mmHg stop vacuum drying and keep the pressure for 1 hour If the indicator of vacuum gauge does not go up it is qualified If going up it indicates that there is moisture or leak source 7 3 2 Special vacuum drying The special vacuum drying method shall be adopted when 1 Finding mois...

Страница 101: ...ngth from it than add 0 5 Oz for every 3 3 additional feet for 1 4 or 1 Oz for every 3 3 feet for 3 8 Liquid line tubing Note Refrigerant may only be charged after performed the vacuum drying process Always use gloves and glasses to protect your hands and eyes during the charge work Use electronic scale or fluid infusion apparatus to weight refrigerant to be recharged Be sure to avoid extra refrig...

Страница 102: ... environment place the layer of insulation should be thicker accordingly 9 1 4 Installation highlights of insulation construction Gas pipe and liquid pipe shall be insulated separately if the gas pipe and liquid pipe were insulated together it will decrease the performance of air conditioner Liquid pipe Insulation meterial Gas pipe The insulation material at the joint pipe shall be 5 10cm longer t...

Страница 103: ...ield wiring construction should be finished by qualified electrician Air conditioning equipment should be grounded according to the local electrical regulations Current leakage protection switch should be installed Do not connect the power wire to the terminal of signal wire When power wire is parallel with signal wire put wires to their own wire tube and remain at least 300mm gap According to tab...

Страница 104: ... units The gas side and liquid side stop values are both opened The air conditioner is pre heated by turning on the power 11 3 Test operation Set the air conditioner under the mode of COOLING by remote controller and check the following points Indoor unit Whether the switch on the remote controller works well Whether the buttons on the remote controller works well Whether the air flow louver moves...

Страница 105: ...Electrical Control System Electrical Control System 103 Part 5 Electrical Control System 1 Electrical Control Function 104 2 Troubleshooting 117 3 Controller 145 ...

Страница 106: ...l be limited as below rules For 12K 18K units MUE 24HRFN1 MW MTB 24HRFN1 MW MCD 24HRFN1 MW Compressor discharge temp T5 115 for 5s compressor stops 108 T5 115 decrease the frequency to the lower level every 3 minutes till F1 90 T5 105 keep running at the current frequency T5 90 no limit for frequency For other units If 102 T5 115 decrease the frequency to the lower level every 2 minutes till to F1...

Страница 107: ...4 For other units 5 0 4 0 High Low 2 0 Medium 3 0 Ts 24 1 3 2 Cooling Mode 1 3 2 1 Electronic Expansion Valve EXV Control Excluding YN012GMFI16RUD YN018GMFI16RUD 1 EXV will be fully closed when turning on the power Then EXV will be standby with 300P open and will open to target angle after compressor starts 2 EXV will close with 160P when compressor stops Then EXV will be standby with 300P open an...

Страница 108: ...22 20 Low For other models T4 A DC_FAN_HI_SPD_ADD B DC_FAN_MID_SPD_ADD C DC_FAN_MIN_SPD_ADD D DC_FAN_SLOW_SPD_ADD E DC_FAN_SSLOW_SPD_ADD 23 22 20 28 19 17 26 25 1 3 2 3 Indoor fan running rules In cooling mode indoor fan runs all the time and the speed can be selected as high medium low and auto The auto fan For Console 3 5 3 High Low 1 Medium 1 5 ...

Страница 109: ...requency T2 7 the compressor frequency will not be limited For other units When T2 2 and lasts for 3 minutes the indoor has no capacity demand and resume till T2 7 1 3 2 5 Condenser high temperature T3 protection For 12K 18K Outdoor units 55 T3 60 the compressor frequency will decrease to the lower level every 3 minutes till F1 and then runs at F1 If T3 54 the compressor will keep running at the c...

Страница 110: ...when compressor stops Then EXV will be standby with 300P open and will open to target angle after compressor starts 3 The initial open angle of EXV is 300P The unit starts to work for 3 minutes then adjusting open angle according to the temperature of compressor discharge every 2 minutes 1 3 3 2 Outdoor fan running rules For YN012GMFI16RUD and YN018GMFI16RUD 17 Low Medium 15 12 10 High For other m...

Страница 111: ...ressor is on the indoor fan can be set to high med low auto And the anti cold wind function has the priority Auto fan action For Console 2 5 T1 Ts T 2 High Low 1 Medium 1 5 For Ceiling floor Compact cassette Duct 12 24K 2 5 T1 Ts 6 T 2 High Low 1 Medium 1 5 For other units 2 T1 Ts T 3 High Low 5 Medium 4 ...

Страница 112: ...osting mode No matter what value of the T4 is and whether the T2 drops more than 5 or not if the machine runs with T3 3 for more than 120 minutes and T3 keeps lower than TCDI 4 for more than 3 minutes the machine will enter defrosting mode Condition of ending defrosting If any one of the following items is satisfied the defrosting will finish and the machine will turn to normal heating mode T3 ris...

Страница 113: ... following conditions 1 Compressor is off 2 T3 TempEnterDefrost_ADD Time2 Time conditions Meet the following conditions 1 Running in heating mode 2 T4 3 3 Compressor is on 4 T3 TempEnterDefrost_ADD Cleared conditions Meet any one of the following conditions 1 Compressor is off and T3 TempEnterDefrost_ADD 2 last for 20 minutes 2 Running in cooling mode 3 Compressor is off for 1 hour no longer than ...

Страница 114: ...ied defrosting will stop and the machine will turn to normal heating mode T3 TempQuitDefrost_ADD The defrosting time achieves 10min Turn to other modes or off Defrosting action 4 Way valve Indoor fan Outdoor fan 480P PMV PMV running 8 mins with 300P Compressor 10S 30S TimeA 10S no longer than 10min 1 3 3 5 High evaporator coil temp T2 protection For 12K 24K units T2 TEH2 the compressor running fre...

Страница 115: ...hoose running function again 1 3 5 Drying mode For 12K 24K units 1 3 5 1 Indoor fan speed is fixed at low and can t be changed The louver angle is the same as in cooling mode 1 3 5 2 Low indoor room temperature protection In drying mode if room temperature is lower than 10 the compressor will stop and not resume until room temperature exceeds 12 1 3 5 3 Evaporator anti freezing protection condense...

Страница 116: ... 7 hours After 7 hours the AC quits this mode and turns off 1 3 7 4 Shutdown change the mode or speed setting will cancel the economic operation 1 3 7 5 When user uses timer off function in sleep mode or sleep function in timer off mode if the timing is less than 7 hours sleep function will be cancelled when reaching the setting time If the timing is more than 7 hours the machine will not stop unt...

Страница 117: ...city demand code is higher than 99 the digital display tube will show single digit and tens digit For example the digital display tube show 5 0 it means the capacity demand is 15 the digital display tube show 60 it means the capacity demand is 6 0 02 Amendatory capacity demand code 03 The frequency after the capacity requirement transfer 04 The frequency after the frequency limit 05 The frequency ...

Страница 118: ...mple the digital display tube show 0 5 it means the IGBT radiator temp is 105 degree the digital display tube show 1 6 it means the IGBT radiator temp is 116 degree 18 Indoor unit number The indoor unit can communicate with outdoor unit well 19 Condenser pipe temp of 1 indoor unit If the temp is lower than 0 degree the digital display tube will show 0 If the temp is higher than 70 degree the digit...

Страница 119: ...2 1 1 Icon explanation on indoor display board Super slim cassette 24K 48K 2 1 2 Icon explanation on indoor display board Compact cassette 12K 18K 2 1 3 Icon explanation on indoor display board Ceiling Floor 12K 18K 2 1 4 Icon explanation on indoor display board Ceiling Floor 24K 48K ...

Страница 120: ...LARM Temporary button Operation lamp Timer indicator Infrared signal receiver Alarm indicator PRE DEF indicator cooling and heating type or fan only indicator cooling only type MANUAL Display digital tube 2 1 6 Icon explanation on indoor display board Console 2 1 7 Display board of auto lifting panel of 4 way cassette 24K 48K ...

Страница 121: ...nits excluding console NO Malfunction Running lamp Timer lamp Defrosting lamp Alarm lamp Display nixie tube 1 Open or short circuit of T1 temperature sensor X X X E0 2 Open or short circuit of T2 temperature sensor X X X E1 3 Communication malfunction between indoor and outdoor units X X X E2 4 Full water malfunction X X X E3 5 Indoor EEPROM malfunction X X E4 6 IPM module protection X X O E5 7 Op...

Страница 122: ...ter malfunction X X X EE 10 Communication malfunction between main PCB and up down panel PCB X F0 11 Up down panel malfunction X F1 12 Up down panel is not closed X O F2 O on X off flash at 5Hz flash at 0 5Hz F0 F1 F2 is only available for super slim cassette 2 3 Outdoor unit malfunction For YN012GMFI16RUD and YN018GMFI18RUD No Problems Green Red IU display 1 standby for normal O X 2 Operation nor...

Страница 123: ...or E6 PFC module protection For 36K 48K E8 Outdoor fan speed has been out of control P0 Top temperature protection of compressor P1 High pressure protection For 36K 48K P2 Low pressure protection For 36K 48K P3 Current protection of compressor P4 Discharge temperature protection of compressor P5 High temperature protection of condenser P6 IPM module protection P7 High temperature protection of eva...

Страница 124: ... indoor unit 2 4 1 1 Open or short circuit of temperature sensor Check the connections between temperature sensor and PCB Are the connections good Correct the connections No Yes Yes Replace indoor or outdoor PCB Replace the sensor Check the resistance value of the sensor via Appendix 1 Is it normal No ...

Страница 125: ...Troubleshooting Electrical Control System 123 2 4 1 2 Outdoor unit malfunction ...

Страница 126: ...OM chip is welded on PCB replace the PCB directly Otherwise check whether the EEPROM chip plugged in PCB well Yes No Yes Insert the EEPROM well Replace the indoor PCB Shut off the power supply and turn it on 5 seconds later Is it still displaying the error code 2 4 1 4 Full water malfunction ...

Страница 127: ...been out of control Only for the units used DC motor DC motor voltage input and output control chip is inside the motor DC motor voltage input and output NO Color Signal Voltage 1 Red Vs Vm 280V 380V 2 3 Black GND 0V 4 White Vcc 14 17 5V 5 Yellow Vsp 0 5 6V 6 Blue FG 14 17 5V ...

Страница 128: ...leakage Especially the connection parts such as the gas valve and the liquid valve No Shut off the power supply and turn it on 5 seconds later Is it still displaying the error code Replace indoor PCB Yes Repair the leakage and recharge the refrigerant Yes Clear the blocking Yes Is there any block i n g Such as the capillary or the welded points of the pipes 2 4 1 7 Inverter compressor drive protec...

Страница 129: ...Troubleshooting Electrical Control System 127 2 4 2 For the super slim cassette with up down panel 2 4 2 1 Communication error between indoor unit and up down panel 2 4 2 2 Up down panel is defective ...

Страница 130: ...Troubleshooting 128 Electrical Control System 2 4 4 For the outdoor unit 2 4 4 2 E0 malfunction ...

Страница 131: ...Troubleshooting Electrical Control System 129 2 4 4 3 E2 malfunction Only for 12 18K ...

Страница 132: ...Troubleshooting 130 Electrical Control System 2 4 4 4 E2 malfunction For 24 48K ...

Страница 133: ...Troubleshooting Electrical Control System 131 2 4 4 5 E3 malfunction ...

Страница 134: ...Troubleshooting 132 Electrical Control System 2 4 4 6 E4 malfunction ...

Страница 135: ... supply Check whether the voltage of IPM board P and N is normal DC277 356V for 18K 24K 30KBtu h DC277 410V for 36K 48KBtu h Replace bridge rectifiers and then check whether the system can run normally Replace IPM board and then check whether the system can run normally Replace outdoor main board Yes No No No No Yes Trouble is solved Yes Yes E5 display Replace the power board then check whether th...

Страница 136: ...Troubleshooting 134 Electrical Control System 2 4 4 8 E6 malfunction Only for 36K 48K ...

Страница 137: ...frigerant circulation volume is normal Whether abnormality is the same after gas charging Yes No No Reconnect and retest No Check refrigerant system such as clogging of capillary etc No Whether the connection is good Replace the outdoor main PCB Yes Replace the protector No Yes Charge refrigerant Whether protector is normal If protector is normal resistance 0 ...

Страница 138: ...Troubleshooting 136 Electrical Control System 2 4 4 10 P1 malfunction Only for 36K 48K ...

Страница 139: ...Troubleshooting Electrical Control System 137 2 4 4 11 P2 malfunction Only for 36K 48K ...

Страница 140: ...Troubleshooting 138 Electrical Control System 2 4 4 12 P3 malfunction ...

Страница 141: ...charge temp is more than 115 C Check whether the wiring connection is right between compressor discharge temp sensor and PCB according to wiring diagrams Method Check whether the resistance of compressor discharge temp sensor is right refer to the Appendix 2 No Yes Yes Trouble is solved No Judge The discharge temp sensor is broken Check whether the refrigerant is leak Correct the wiring connection...

Страница 142: ...dge 1 Check whether the outdoor ambient temperature is higher than 50 No Judge 3 The refrigerant pipe is blocked Let the refrigerant out then use the high pressure nitrogen or refrigerant to blow pipe vacuumize and charge the refrigerant again Yes Judge 2 Check whether the heat exchanger is dirty No Clean the heat exchanger Yes Replace outdoor main board Yes Check whether the resistance of condens...

Страница 143: ...stem 141 2 4 4 15 P6 malfunction For single phase units At first test the resistance between every two ports of U V W of IPM and P N If any result of them is 0 or close to 0 the IPM is defective Otherwise please follow the procedure below ...

Страница 144: ...d and the indoor fan is running normal No Check refrigerant system such as clogging of capillary etc No Clean the heat exchanger and the air outlet Reconnect and retest No Whether the connection is good No Check the resistance value of the sensor via Appendix 1 Is it normal Check whether the indoor fan is running normal Replace the temperature sensor No Yes Whether the indoor PCB is normal Replace...

Страница 145: ... 6 13059 76 1 34105 116 0 40060 3 41 5878 37 5 87359 77 1 29078 117 0 38991 2 39 8239 38 5 62961 78 1 25423 118 0 37956 1 37 1988 39 5 39689 79 1 21330 119 0 36954 0 35 2024 40 5 17519 80 1 17393 120 0 35982 1 33 3269 41 4 96392 81 1 13604 121 0 35042 2 31 5635 42 4 76253 82 1 09958 122 0 3413 3 29 9058 43 4 57050 83 1 06448 123 0 33246 4 28 3459 44 4 38736 84 1 03069 124 0 32390 5 26 8778 45 4 21...

Страница 146: ...37 32 94 77 7 566 117 2 294 2 200 7 38 31 62 78 7 321 118 2 233 1 190 5 39 30 36 79 7 086 119 2 174 0 180 9 40 29 15 80 6 859 120 2 117 1 171 9 41 28 81 6 641 121 2 061 2 163 3 42 26 9 82 6 43 122 2 007 3 155 2 43 25 86 83 6 228 123 1 955 4 147 6 44 24 85 84 6 033 124 1 905 5 140 4 45 23 89 85 5 844 125 1 856 6 133 5 46 22 89 86 5 663 126 1 808 7 127 1 47 22 1 87 5 488 127 1 762 8 121 48 21 26 88 ...

Страница 147: ...ss Remote Controller 3 1 1 RG05F2 BGEU1 General Function for wireless remote controller Model RG05F2 BGEU1 Rated voltage 3 0V Dry batteries R03 LR03 2 Min voltage for sending signal of CPU 2 4V Effective receiving distance 8m Operation condition 23 O F 140 O F 5 60 ...

Страница 148: ...ent settings are cancelled and the control will return to the initial settings 8 LOCK Button Push this button to lock in all the current settings To release settings push again 9 FAN SPEED Button Fan speed will be selected in following sequence once pressing this button AUTO LOW MED HIGH 10 UP Button Push this button to increase setting temperature or to increase Hour during Clock time setting 11 ...

Страница 149: ... 1h increasement after each press If cancel this function just set it to 0 0 4 Follow me button When under cool heat and auto mode press this button follow me function is active Press again this function is ineffective 5 Electrical heater button If press this button in heat mode electrical heater function become ineffective 6 Reset button hidden Use a 1mm stick to press in the little hole then the...

Страница 150: ...roller 1 Operation mode indication When press MODE button the following mode can be selected in circle Auto Cool Dry Heat Fan only Auto Auto Cool Dry Heat Fan only Auto For cooling only model heat mode is skipped 2 Timer When adjust setting on time or only on time is set the ON is lighted When adjust setting off time or only off time is set the OFF is lighted If on and off timer are both set the O...

Страница 151: ...allation Notice When the air conditioner needs the constant frequency wire Controller be sure adding a Wire Joint with 5 terminal named A B C D E in indoor unit and fixing a infrared emitter whose anode and cathode connecting with A and B near the receiver in the Indoor Unit Switch Board then connecting the terminal 5v GND Run in the Switch Board to C D E respectively NOTE The connecting wire shou...

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