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koppel KV 24CC-ARF21, Service Manual

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koppel KV 24CC-ARF21 Service Manual Download Page 78

 

Installation Procedure 

1. Ins

tallation

 Procedure 

 

 

 

Vacuum drying and leakage checking 

Additional refrigerant charge 

Insulation the joint part of refrigerant pipe 

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 

76

Summary of Contents for KV 24CC-ARF21

Page 1: ......

Page 2: ...Contents CONTENTS Part 1 General Information 1 Part 2 Indoor Units 6 Part 3 Outdoor Units 63 Part 4 Installation 75 Part 5 Electrical Control System 103...

Page 3: ...General Information Part 1 General Information 1 Model Lists 2 2 External Appearance 3 2 1 Indoor Units 3 2 2 Outdoor Units 3 3 Nomenclature 4 4 Features 5 1...

Page 4: ...r Cooling 3 rd generation ceiling floor Cooling Floor standing Cooling Rotary DC Inverter GMCC KV24CC ARF21 KV24CM ARF21 KV36ODU ARF21B Rotary DC Inverter MITSUBISHI KV36CC ARF21B KV36CM ARF21B KV48OD...

Page 5: ...3...

Page 6: ...on Blank no revision A First Revision B Second Revision Series Code Refrigerant RF2 R410A Power supply A 220 1 60 C 220 3 60 B 380 3 60 Model Type CC Cassette Type FM Floor mount CM Ceiling floor ODU...

Page 7: ...4 4 Intelligent refrigerant adjustment technology Throttle part is made up of capillary and electronic expansion valve EXV The outdoor unit can output the most accurate capacity in any condition 4 5...

Page 8: ...Indoor Units Part 2 Indoor Units Four way Cassette Type 7 Super Slim Cassette Type 20 Ceiling Floor Type 33 3rd Generation Ceiling Floor Type 45 Floor standing Type 53 6...

Page 9: ...atures 8 2 Dimensions 11 3 Service Space 12 4 Wiring Diagrams 13 5 Capacity Tables 14 6 Air Velocity Distributions Reference Data 15 7 Electric Characteristics 16 8 Sound Levels 16 9 Accessories 17 10...

Page 10: ...cient airflow volume guarantees the excellent capacity 4 The adoption of the most advanced 3 Dimensional Screw fan Reduces the air resistance passing through Smoothes the air flow Makes air speed dist...

Page 11: ...exchanger effect 10 More strengthening rib design around the panel preventing the distortion of the panel 11 New outlet frame design to make the phenomena of coagulation with great improvement preven...

Page 12: ...cting pipe and drop height is higher Max pipe length up to 50m refer to and Max drop height up to 30m refer to 17 Optimal design smaller Control Box Space saving and convenient for wiring Using fire r...

Page 13: ...Dimensions 2 Dimensions Unit mm MODEL A B C H KV24CC ARF21 230 15 9 9 52 260 11...

Page 14: ...Service Space 3 Service Space 1000mm 1000mm 1000mm 1000mm 12...

Page 15: ...Wiring Diagrams 4 Wiring Diagrams KV24CC ARF21 13...

Page 16: ...56 5 51 5 43 5 46 Input 2 10 2 28 2 38 2 46 24 17 C DB WB TC 7 74 7 37 7 01 6 57 SC 5 80 5 75 5 68 5 52 Input 2 23 2 38 2 49 2 61 27 19 C DB WB TC 7 88 7 52 7 30 6 79 SC 5 83 5 79 5 69 5 57 Input 2 28...

Page 17: ...Air Velocity and Temperature Distributions Reference Data 6 Air Velocity Distributions Reference Data Airflowvelocity 15...

Page 18: ...Electric Characteristics Model Indoor Unit Power Supply Hz Voltage Min Max MFA KV24CC ARF21 60 220 230 198 242 10 Note MFA Max Fuse Amps A 8 Sound Levels 1 4m Microphone Model Noise level dB A H M L...

Page 19: ...e clasp on some models 1 Drain joint on some models 1 Seal ring Remote controller Its Frame Remote controller Its Frame 1 Remote controller holder 1 Mounting screw ST2 9 10 C H 2 Remote controller man...

Page 20: ...Voltage 220 230V 60Hz POWER WIRING mm2 3 1 0 CIRCUIT BREAKER FUSE A 15 10 OUTDOOR UNIT POWER Phase 1 phase Frequency and Voltage 220 230V 60H POWER WIRING mm2 3X2 5 CIRCUIT BREAKER FUSE A 30 20 Indoor...

Page 21: ...Field Wiring 11 Field Wiring KV24CC ARF21 19...

Page 22: ...Type Super Slim Cassette Type 1 Features 21 2 Dimensions 25 3 Service Space 26 4 Wiring Diagrams 27 5 Electric Characteristics 28 6 Sound Levels 29 7 Accessories 30 8 The Specification of Power 31 9...

Page 23: ...comfortable air blow is possible Auto lifting panel design more convenient to clean and maintain the filter optional Old Cassette New Slim Cassette Reduction 36K 48K 840 300 840 840 245 840 18 1 2 Fre...

Page 24: ...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 light New air intake I Io on ni iz ze er r g...

Page 25: ...5 Built in drain pump Due to the improvement of structure is it more convenient to repair or replace the drain pump With built in drain pump to make sure that condensed water will drain out reliably 1...

Page 26: ...Touch screen wired controller is standard with error code indication function Better man machine conversation interface Undated structure design 4 way wire layout design no raised part at backside mo...

Page 27: ...Dimensions 2 Dimensions Capacity Btu h A H 36 245 275 48 245 275 25...

Page 28: ...Service Space 3 Service Space 1000mm 1000mm 1000mm 1000m m 26...

Page 29: ...Wiring Diagrams 4 Wiring Diagrams KV36CC ARF21B KV48CC ARF21B 27...

Page 30: ...ctric Characteristics 5 Electric Characteristics Model Indoor Unit Power Supply Hz Voltage Min Max MFA KV36CC ARF21B 60 220 230 198 242 10 KV48CC ARF21B 60 220 230 198 242 10 Note MFA Max Fuse Amps A...

Page 31: ...Sound Levels 6 Sound Levels 1 4m Microphone Model Noise level dB A H M L KV36CC ARF21B 54 49 44 KV48CC ARF21B 57 53 44 29...

Page 32: ...e clasp on some models 1 Drain joint on some models 1 Seal ring Remote controller Its Frame Remote controller Its Frame 1 Remote controller holder 1 Mounting screw ST2 9 10 C H 2 Remote controller man...

Page 33: ...220 230V 60Hz POWER WIRING mm2 3 1 0 3 1 0 CIRCUIT BREAKER FUSE A 15 10 15 10 OUTDOOR UNIT POWER Phase 1 phase 1 phase Frequency and Voltage 220 230V 60H 220 230V 60H POWER WIRING mm2 3X4 0 3X4 0 CIR...

Page 34: ...Field Wiring 9 Field Wiring KV36CC ARF21B KV48CC ARF21B 32...

Page 35: ...34 2 Dimensions 35 3 Service Space 36 4 Wiring Diagrams 37 5 Capacity Tables 38 6 Air Velocity Distributions Reference Data 39 7 Electric Characteristics 41 8 Sound Levels 41 9 Accessories 42 10 The...

Page 36: ...34...

Page 37: ...Dimensions 2 Dimensions a Wall mounting installation b Ceiling installation Capacity Btu h A B C D E F G KV24CM ARF21 990 660 203 505 506 907 200 35...

Page 38: ...Service Space 3 Service Space 36...

Page 39: ...Wiring Diagrams 4 Wiring Diagrams KV24CM ARF21 37...

Page 40: ...56 5 51 5 43 5 46 Input 2 10 2 28 2 38 2 46 24 17 C DB WB TC 7 74 7 37 7 01 6 57 SC 5 80 5 75 5 68 5 52 Input 2 23 2 38 2 49 2 61 27 19 C DB WB TC 7 88 7 52 7 30 6 79 SC 5 83 5 79 5 69 5 57 Input 2 28...

Page 41: ...Air Velocity and Temperature Distributions Reference Data 6 Air Velocity Distributions Reference Data Discharge angle 60 CEILING Airflow velocity 39...

Page 42: ...Air Velocity and Temperature Distributions Reference Data Discharge angle 60 FLOOR Airflow velocity 40...

Page 43: ...s Model Indoor Unit Power Supply Hz Voltage Min Max MFA KV24CM ARF21 60 220 230 198 242 10 Note MFA Max Fuse Amps A 8 Sound Levels Microphone 1m 1m Air outlet side 1 5m 1m Microphone Ceiling Floor Mod...

Page 44: ...Quantity 1 Hook 2 2 Hanging arm 2 Remote controller Its holder 3 Remote controller 1 4 Remote controller holder 1 5 Mounting screw ST2 9 10 C H 2 6 Alkaline dry batteries AM4 2 Others 7 Owner s manual...

Page 45: ...Voltage 220 230V 60Hz POWER WIRING mm2 3 1 0 CIRCUIT BREAKER FUSE A 15 10 OUTDOOR UNIT POWER Phase 1 phase Frequency and Voltage 220 230V 60H POWER WIRING mm2 3X2 5 CIRCUIT BREAKER FUSE A 30 20 Indoor...

Page 46: ...Field Wiring 11 Field Wiring KV24CM ARF21 44...

Page 47: ...Type 3rd Gener ation Ceiling Floor Type 1 Features 46 2 Dimensions 47 3 Service Space 48 4 Wiring Diagrams 49 5 Electric Characteristics 50 6 Sound Levels 50 7 Accessories 51 8 The Specification of P...

Page 48: ...46...

Page 49: ...nsions 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 36K 1285 675 235 1200 48K 1650...

Page 50: ...Service Space 3 Service Space 48...

Page 51: ...Wiring Diagrams 4 Wiring Diagrams KV36CM ARF21B KV48CM ARF21B 49...

Page 52: ...Hz Voltage Min Max MFA KV36CM ARF21B 60 220 230V 198V 242V 10 KV48CM ARF21B 60 220 230V 198V 242V 10 Note MFA Max Fuse Amps A 6 Sound Levels Microphone 1m 1m Air outlet side 1 5m 1m Microphone Ceiling...

Page 53: ...Model KV36CM ARF21B KV48CM ARF21B INDOOR UNIT POWER Phase 1 phase 1 phase Frequency and Voltage 220 230V 60Hz 220 230V 60Hz POWER WIRING mm 2 3 1 0 3 1 0 CIRCUIT BREAKER FUSE A 15 10 15 10 OUTDOOR UNI...

Page 54: ...Field Wiring 9 Field Wiring KV36CM ARF21B KV48CM ARF21B 52...

Page 55: ...ng Type Floor standing Type 1 Features 54 2 Dimensions 55 3 Service Space 56 4 Wiring Diagrams 57 5 Electric Characteristics 58 6 Sound Levels 59 7 Accessories 60 8 The Specification of Power 61 9 Fie...

Page 56: ...54...

Page 57: ...Dimensions 2 Dimensions Dimension Mode W mm D mm H mm KV36FM ARF21 550 350 1800 KV60FM ARF21 610 390 1925 55...

Page 58: ...Service Space 56 GA Floor standing Type 3 Service Space 56...

Page 59: ...Wiring Diagrams 4 W iring Diagrams KV36FM ARF21 KV60FM ARF21 57...

Page 60: ...ric Characteristics 5 Electric Characteristics Model Indoor Units Power Supply Hz Voltage Min Max MFA KV36FM ARF21 60 220 230V 198V 242V 10 KV60FM ARF21 60 220 230V 198V 242V 10 Note MFA Max Fuse Amps...

Page 61: ...Sound Levels 6 Sound Levels Model Noise level dB A H L KV36FM ARF21 56 51 KV60FM ARF21 57 51 59...

Page 62: ...Accessories 7 Accessories 60...

Page 63: ...20 230V 60Hz POWER WIRING mm 2 3 1 0 3 1 0 CIRCUIT BREAKER FUSE A 15 10 15 10 OUTDOOR UNIT POWER Phase 1 phase 3 phase Frequency and Voltage 220 230V 60H 220 230V 60H POWER WIRING mm 2 3X4 0 4 5 0 CIR...

Page 64: ...Field Wiring 9 Field Wiring KV36FM ARF21 KV60FM ARF21 62...

Page 65: ...Outdoor Units Part 3 Outdoor Units 1 Dimensions 64 2 Service Space 66 3 Piping Diagrams 67 4 Wiring Diagrams 68 5 Electric Characteristics 72 6 Operation Limits 73 7 Sound Levels 74 63...

Page 66: ...Dimensions 1 Dimensions Unit mm MODEL A B C D E F H KV24ODU ARF21 845 560 335 360 312 320 700 KV36ODU ARF21 B 990 624 366 396 340 345 965 64...

Page 67: ...Dimensions Unit mm MODEL A B C D E F H KV48ODU ARF21B 938 634 404 448 370 392 1369 KV60ODU CRF21 938 634 404 448 370 392 1369 65...

Page 68: ...Service Space 2 Service Space More than 60cm More than 30cm More than 60cm More than 200cm Air inlet Air inlet More than 30cm Air outlet Wall or obstacle Maintain channel 66...

Page 69: ...or temp sensor middle Note KV24ODU ARF21 have no EXV KV36ODU ARF21 B KV48ODU ARF21B KV60ODU CRF21 INDOOR OUTDOOR LIQUID SIDE GAS SIDE HEAT EXCHANGE EVAPORATOR HEAT EXCHANGE CONDENSER COMPRESSOR T2B Ev...

Page 70: ...Wiring Diagrams 4 Wiring Diagrams KV24ODU ARF21 220075301510 KV24ODU ARF21 220075301740 68...

Page 71: ...Wiring Diagrams KV36ODU ARF21 B 220075501730 KV36ODU ARF21 B 220075502120 69...

Page 72: ...Wiring Diagrams KV48ODU ARF21B 70...

Page 73: ...Wiring Diagrams KV60ODU CRF21 71...

Page 74: ...cteristics Model Outdoor Unit Power Supply Hz Voltage Min Max MFA KV24ODU ARF21 60 220 230 198 242 20 KV36ODU ARF21 B 60 220 230 198 242 30 KV48ODU ARF21B 60 220 230 198 242 35 KV60ODU CRF21 60 220 23...

Page 75: ...itions 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 th...

Page 76: ...Sound Levels 7 Sound Levels H 1 0m Outdoor Unit Microphone Note H 0 5 height of outdoor unit Model Noise level dB A KV24ODU ARF21 57 KV36ODU ARF21 B 55 KV48ODU ARF21B 62 KV60ODU CRF21 60 74...

Page 77: ...tallation 78 4 Outdoor unit installation Side Discharge Unit 97 5 Refrigerant pipe installation 92 6 Drainage pipe installation 94 7 Vacuum Drying and Leakage Checking 98 8 Additional refrigerant char...

Page 78: ...nection and electric safety checking Test operation Refrigerant pipe installation and insulation Drainage pipe installation and insulation Indoor unit installation location selection Outdoor unit inst...

Page 79: ...shall easily support the outdoor unit s weight Locate the outdoor unit as close to indoor unit as possible The piping length and height drop can not exceed the allowable value The place where the nois...

Page 80: ...1 1 Service space for indoor unit Model A H Remark 30 60 300 330 R410A and R22 Cooling ARF21 3 1 2 Bolt pitch 3 1 3 Install the pendant bolt Select the position of installation hooks according to the...

Page 81: ...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 b...

Page 82: ...Indoor unit installation 3 1 5 Install the panel Remove the grille Remove the 4 corner covers Hang the panel to the hooks on the mainbody 80...

Page 83: ...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 respecti...

Page 84: ...nit installation 3 Ceiling floor indoor unit installation 3 3 1 Service space for indoor unit 3 3 2 Bolt pitch Ceiling installation Capacity Btu h D F G KV24CM ARF21 505 907 200 Floor standing install...

Page 85: ...tions on the ceiling Then embed the expansible hooks fittings Floor standing installation Fix the hook with tapping screw onto the wall Refer to picture below 3 3 4 Install the main body Ceiling insta...

Page 86: ...on both sides 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 ind...

Page 87: ...tallation 3 4 3rd generation ceiling floor indoor unit installation 3 4 1 Service space for indoor unit 3 4 2 Bolt pitch Ceiling installation Capacity Btu h D E 36K 1200 220 48K 1565 220 Wall mounted...

Page 88: ...per picture Drill four holes of 12mm 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 R...

Page 89: ...re the mounting bolts on the unit 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...

Page 90: ...irect sunlight f In the center of the room where possible 3 5 1 1 Please stand the unit in hard and flat ground Please reserve space for installation and maintenance 3 5 2 Installing 3 5 2 1 Anti fall...

Page 91: ...Indoor unit installation 3 5 2 3 Take the Pipe Clip off before connecting the pipes and wiring fit it when these finished Use accessories to connect the pipes wires on both sides and back side 89...

Page 92: ...outdoor unit 4 2 Bolt pitch Model B C D 24K 560 335 360 36K 624 366 396 48K 634 404 448 60K 634 404 448 4 3 Install the Unit Since the gravity center of the unit is not at its physical center so plea...

Page 93: ...hands or other objects Do not lean it more than 45 and do not lay it sidelong Make concrete foundation according to the specifications of the outdoor units Fasten the feet of this unit with bolts firm...

Page 94: ...ipe 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...

Page 95: ...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 th...

Page 96: ...flowrate is decided 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 Ca...

Page 97: ...e 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 W...

Page 98: ...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...

Page 99: ...outlet In light of the length of drainage pipe water shall be discharged about 1 minute delay 2 3 Stop the operation of air conditioner power off the power supply and put the cover of water test hole...

Page 100: ...er 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...

Page 101: ...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 infusio...

Page 102: ...he 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 wer...

Page 103: ...ing 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 ins...

Page 104: ...gas side and liquid side stop valves 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 controlle...

Page 105: ...Electrical Control Function Part 5 Electrical Control System 1 Electrical Control Function 104 2 Troubleshooting 110 3 Controller 134 103...

Page 106: ...2 2 Temperature protection of compressor top The unit will stop working when the compressor top temp protector cut off and will restart after the compressor top temp protector restart 1 2 3 Temperatur...

Page 107: ...n 5 0 4 0 High Low 2 0 Medium 3 0 Ts 24 1 3 2 Cooling Mode 1 3 2 1 Outdoor PMW open angle control The unit is working in cooling mode with the EXV open 300P for 3 minutes then adjusting PMW open angle...

Page 108: ...or will shut off When T3 52 the compressor will restart 1 3 3 Auto mode This mode can be chosen with remote controller and the setting temperature can be changed between 17 30 In auto mode the machine...

Page 109: ...the setting temperature stops rising and indoor fan is fixed at low speed Anti cold wind function has the priority 1 3 7 3 Operation time in sleep mode is 7 hours After 7 hours the AC quits this mode...

Page 110: ...ed the digital display tube will show 08 Outdoor ambient temp T4 09 Compressor discharge temp Tp The display value is between 13 120 degree If the temp is lower than 13 degree the digital display tube...

Page 111: ...ee 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 t...

Page 112: ...2 1 1 Icon explanation on indoor display board Big cassette 2 1 2 Icon explanation on indoor display board Ceiling floor 2 1 3 Icon explanation on indoor display board 3TR 4TR Ceiling floor 2 1 4 Disp...

Page 113: ...Troubleshooting 2 1 5 Display board of Floor standing 111...

Page 114: ...ls NO Malfunction Defrosting lamp Alarm lamp Running lamp Timer lamp Display digital tube 1 Communication malfunction between indoor and outdoor units X X X E1 2 Open or short circuit of T1 temperatur...

Page 115: ...tor low temp protection Ed Outdoor unit malfunction E1 Indoor outdoor units communication error E2 Open or short circuit of T1 temperature sensor E3 Open or short circuit of T2 temperature sensor E4 O...

Page 116: ...Open or short circuit of outdoor temperature sensor E5 Voltage protection of compressor P0 Top temperature protection of compressor P1 High pressure protection Only for 36K 52K P2 Low pressure protec...

Page 117: ...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 Replac...

Page 118: ...2 4 1 2 Outdoor unit malfunction 116...

Page 119: ...M 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 If the water level switch is inserted well N...

Page 120: ...alfunction If the EEPROM 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 outdoor main board Out...

Page 121: ...Troubleshooting Electrical Control System 2 4 2 2 E2 malfunction 119...

Page 122: ...2 4 2 3 E3 malfunction 120...

Page 123: ...ent temperature sensor T4 Check whether the wiring of the outdoor ambient temperature sensor T4 is broken off Check whether the resistance of outdoor ambient temperature sensor T4 is wrong refer to th...

Page 124: ...voltage range of P N on IPM module is normal DC277 356V for 24KBtu h DC277 410V for 36K 48KBtu h Replace bridge rectifiers and then check whether the system can run normally Replace IPM board and the...

Page 125: ...ion 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 R...

Page 126: ...2 4 2 7 P1 malfunction Only for 36K 52K 124...

Page 127: ...Troubleshooting 2 4 2 8 P2 malfunction Only for 36K 52K 125...

Page 128: ...2 4 2 9 P3 malfunction 126...

Page 129: ...e 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...

Page 130: ...tdoor 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...

Page 131: ...Troubleshooting 2 4 2 12 P6 malfunction For single phase units 129...

Page 132: ...it well check ok or not Check whether the connecting line of the compressor is connected correctly or tightly Replace the IPM module check whether the system can work normally No No Replace the main b...

Page 133: ...Troubleshooting 2 4 2 14 P7 malfunction 131...

Page 134: ...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 4 963...

Page 135: ...78 75 8 084 115 2 422 4 222 8 36 34 32 76 7 82 116 2 357 3 211 4 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 11...

Page 136: ...ler 3 1 1RG51Q1 BGE General Function for wireless remote controller Model RG51Q1 BGE Rated voltage 3 0V 2pieces of LR03 7 batteries Min voltage for sending signal of CPU 2 4V Effective receiving dista...

Page 137: ...e selected in following sequence once pressing this button AUTO LOW MED HIGH 9 TIME ON For time ON setting Once pressing this button the time will increase by 0 5 hour When the set time exceeds 10 hou...

Page 138: ...DIRECTION Res et 13 1 Adjust Decrease the set temp Keeping pressing will decrease the temp with 1 per 0 5s 2 Adjust Increase the set temp Keeping pressing will increase the temp with 1 per 0 5s 3 MOD...

Page 139: ...TE While the unit is running under Energy saving mode it would be cancelled if press MODE FAN SPEED or ON OFF button 11 TIME OFF For time OFF setting Once pressing this button the time will increase b...

Page 140: ...le of the louver The swing angle of the louver is 6 degree for each press When the louver swing at a certain angle which would affect the cooling and heating effect of the air conditioner it would aut...

Page 141: ...ny operation except that of the LOCK Use the LOCK mode when you want to prevent settings from being changed accidentally Press the LOCK button again to cancel the LOCK function A lock symbol will appe...

Page 142: ...end instruction If timer on or timer off has been set it cancel this setting then send instruction to stop the machine 8 Adjust button Set indoor temperature up If press and hold on it will increase a...

Page 143: ...the icon appears and other buttons is unable press again the icon disappears 7 Temperature display zone Generally it displays setting temperature it can be adjusted by press temperature button and Bu...

Page 144: ...ay the switch board easily for maintenance The connecting wire should be a little longer as to take away the controller easily for maintenance The specifications designs and information in this book a...

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