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1-3. Error code table (Wired remote controller)

The operation, timer, and economy indicators operate according to the error contents.
For confirmation of the error contents, refer the flashing pattern as follows.

Error contents

Wired remote

controller

display

E: 11. Serial communication error (Serial reverse transfer error) (Outdoor unit)

11

E: 11. Serial communication error (Serial forward transfer error) (Indoor unit)

11

E: 12. Wired remote controller communication error (Indoor unit)

12

E: 18. External communication error (Indoor unit)

18

E: 23. Combination error (Outdoor unit)

23

E: 26. Address setting error in wired remote controller (Indoor unit)

26

E: 29. Connected unit number error (Indoor unit)

29

E: 32. Indoor unit main PCB error (Indoor unit)

32

E: 33. Indoor unit motor electricity consumption detection error (Indoor unit)

33

E: 35. MANUAL AUTO button error (Indoor unit)

35

E: 39. Indoor unit power supply error for fan motor (Indoor unit)

39

E: 3A. Indoor unit communication circuit (wired remote controller) error

3A

E: 41. Room temperature sensor error (Indoor unit)

41

E: 42. Indoor unit heat exchanger sensor error (Indoor unit)

42

E: 51. Indoor unit fan motor error (Indoor unit)

51

E: 53. Drain pump error (Indoor unit)

53

E: 62. Outdoor unit main PCB error (Outdoor unit)

62

E: 63. Inverter error (Outdoor unit)

63

E: 64. PFC circuit error (Outdoor unit)

64

E: 65. Trip terminal L error (Outdoor unit)

65

E: 71. Discharge thermistor error (Outdoor unit)

71

E: 72. Compressor thermistor error (Outdoor unit)

72

E: 73. Heat exchanger (Middle/Outlet) temperature thermistor error (Outdoor unit)

73

E: 74. Outdoor temperature thermistor error (Outdoor unit)

74

E: 77. Heat sink thermistor error (Outdoor unit)

77

E: 84. Current sensor error (Outdoor unit)

84

E: 86. High pressure switch error (Outdoor unit)

86

E: 86. Pressure sensor error (Outdoor unit)

86

E: 94. Trip detection (Outdoor unit)

94

E: 95. Compressor motor control error (Outdoor unit)

95

E: 97. Outdoor unit fan motor error (Outdoor unit)

97

E: 99. 4-way valve error (Outdoor unit)

99

E: A1. Discharge temperature error (Outdoor unit)

A1

E: A3. Compressor temperature error (Outdoor unit)

A3

E: A5. Low pressure error (Outdoor unit)

A5

E: AC. Heat sink temperature error (Outdoor unit)

AC

1-3. Error code table (Wired remote controller)

- (03-2) -

1. Error code

TROUBLESHOOTING

TROUBLESHOOTING

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72
73
74
75
76
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Содержание AUXG18KVLA

Страница 1: ...ER Simultaneous multi SERVICE MANUAL INDOOR AUXG18KVLA 2 AUXG22KVLA 2 AUXG24KVLA 2 AUXG18KVLA 3 ARXG18KLLAP 2 ARXG18KLLAP 3 ARXG22KMLA 2 ARXG24KMLA 2 OUTDOOR AOHG36KRTA AOHG45KRTA AOHG54KRTA SR_SM001EG_05 2021 06 15 ...

Страница 2: ...ease check with our authorized dealer Trademarks FGLair is trademark of Fujitsu General Limited in the United States other countries or both Google Play is trademark of Google Inc App Store is a service mark of Apple Inc registered in the U S and other countries Copyright 2020 2021 Fujitsu General Limited All rights reserved ...

Страница 3: ...CONTENTS 1 GENERAL INFORMATION 2 TECHNICAL DATA AND PARTS LIST 3 TROUBLESHOOTING 4 CONTROL AND FUNCTIONS 5 FILED WORKING ...

Страница 4: ......

Страница 5: ...1 GENERAL INFORMATION 2021 05 19 SR_CH01_SM001EG_02 ...

Страница 6: ...eup 01 1 2 Specifications 01 2 2 1 Compact cassette type 01 2 2 2 Slim duct type 01 3 2 3 Duct type 01 4 2 4 Outdoor unit 01 5 3 Dimensions 01 8 3 1 Compact cassette type 01 8 3 2 Slim duct type 01 10 3 3 Duct type 01 12 3 4 Outdoor unit 01 14 ...

Страница 7: ...OHG36KRTA AUXG18KVLA Indoor unit Outdoor unit Twin 22 kBtu h 2 ARXG22KMLA AOHG45KRTA AUXG22KVLA Indoor unit Outdoor unit Twin Triple 24 kBtu h 2 18 kBtu h 3 ARXG24KMLA ARXG18KLLAP AOHG54KRTA AUXG24KVLA AUXG18KVLA 01 1 1 Model lineup GENERAL INFORMATION GENERAL INFORMATION ...

Страница 8: ...nnection pipe Size Liquid mm in Ø 6 35 1 4 Gas Ø 12 70 1 2 Method Flare Operation range Cooling C 18 to 32 RH 80 or less Heating C 16 to 30 Drain hose Material PVC Size mm Ø 25 I D Ø 32 O D Cassette grille Option Model name UTG UFGF W Material PS Color White Approximate color of Munsell 9PB 9 1 0 2 Dimensions H W D Net mm 49 620 620 Gross 120 765 755 Weight Net kg 2 3 Gross 4 5 Remote controller t...

Страница 9: ...e Liquid mm in Ø 6 35 1 4 Gas Ø 12 70 1 2 Method Flare Operation range Cooling C 18 to 32 RH 80 or less Heating C 16 to 30 Drain hose Material PVC Size mm Ø 25 I D Ø 32 O D Remote controller type option Wired remote controller Wireless remote controller Mobile app 2 FGLair NOTES Values mentioned in the table are based on the following conditions Static pressure 25 Pa The protective function might ...

Страница 10: ...e Size Liquid mm in Ø 6 35 1 4 Gas Ø 12 70 1 2 Method Flare Operation range Cooling C 18 to 32 RH 80 or less Heating C 16 to 30 Drain port Material Steel Size mm Ø 35 7 I D Ø 38 1 O D Remote controller type option Wired remote controller Wireless remote controller Mobile app 2 FGLair NOTES Values mentioned in the table are based on the following conditions Static pressure 35 Pa The protective func...

Страница 11: ...57 59 Sound power level Cooling dB A 70 71 73 Heating 70 71 73 Heat exchanger type Dimensions H W D mm Main1 756 905 18 19 Main2 756 905 18 19 Main1 966 905 18 19 Main2 966 905 18 19 Sub 966 543 18 19 Fin pitch Main1 1 45 Main2 1 45 Main1 1 45 Main2 1 45 Sub 1 45 Rows Stages Main1 1 36 Main2 1 36 Main1 1 46 Main2 1 46 Sub 1 46 Pipe type Copper Fin Type Material Aluminum Surface treatment Blue fin ...

Страница 12: ...ween outdoor unit and indoor unit Protective function might work when using it outside the operation range 1 Maximum operating current is the total current of the indoor unit and the outdoor unit 2 Sound pressure level Measured values in manufacturer s anechoic chamber Because of the surrounding sound environment the sound levels measured in actual installation conditions might be higher than the ...

Страница 13: ...rage A Pdesign Cooling kW 9 5 35 C Heating Average 8 7 10 C SEER Cooling kWh kWh 6 1 SCOP Heating Average 4 0 Annual energy consump tion QCE kWh a 545 QHE Average 3 044 Sound power level Cooling HIGH dB A 70 Heating 70 2 4 Outdoor unit 01 7 2 Specifications GENERAL INFORMATION GENERAL INFORMATION ...

Страница 14: ...0 540 Hanging bolt position a Ceiling openings 530 530 Hanging bolt position Drain hose A 215 19 30 123 30 262 183 Control Box 146 40 C 620 620 IR receiver Grid type grille View B View C 114 a Ceiling openings Cassette grille Option Grid type mm 580 to 610 3 1 Compact cassette type 01 8 3 Dimensions GENERAL INFORMATION GENERAL INFORMATION ...

Страница 15: ...tion optional Air outlet shutter plate UTR YDZB must be installed and the out let direction need to be switched to 3 way by remote controller When installing the indoor unit be careful about the maintenance space In 3 way outlet mode changing of ceiling height setting by function setting 20 is prohibited Ceiling height setting function setting 20 is allowed to be changed only in 4 way outlet mode ...

Страница 16: ...A Top view Side view Front view Bottom view Drain port 51 774 174 71 152 87 56 850 934 100 8 800 30 377 167 119 89 78 55 47 10 620 371 264 144 69 850 864 900 43 20 198 168 151 78 55 A 3 2 Slim duct type 01 10 3 Dimensions GENERAL INFORMATION GENERAL INFORMATION ...

Страница 17: ...g concealed installations Left side Strong and durable ceiling Indoor unit Right side 150 or more 400 or more Service access Ceiling 2500 or more When no ceiling Floor 240 or more 20 or more 20 or more 300 or more Unit mm 3 2 Slim duct type 01 11 3 Dimensions GENERAL INFORMATION GENERAL INFORMATION ...

Страница 18: ...22KMLA and ARXG24KMLA Front view Top view Side view L Side view R Rear view Unit mm When using a square duct Unit mm Ø 3 2 219 46 18 P176 x 6 1 044 109 23 3 3 Duct type 01 12 3 Dimensions GENERAL INFORMATION GENERAL INFORMATION ...

Страница 19: ...ir intake hole Unit mm 108 1 015 16 240 Installation space requirement Unit mm 150 or more 300 or more Floor 2 500 or more When no ceiling 3 3 Duct type 01 13 3 Dimensions GENERAL INFORMATION GENERAL INFORMATION ...

Страница 20: ...valve Liquid Liquid valve Ф28 Cable port Ф28 Cable port 89 650 35 7 48 143 147 39 8 53 9 Liquid 40 320 354 8 62 9 Gas 320 139 8 Ф28 Cable port Ф28 Cable port 96 50 120 Pipe port 55 25 40 5 264 6 351 9 Pipe Cable port 47 6 15 2 62 6 15 6 Rear view 50 Ф28 Cable port Ф28 Cable port 25 141 9 70 67 Pipe port 3 4 Outdoor unit 01 14 3 Dimensions GENERAL INFORMATION GENERAL INFORMATION ...

Страница 21: ...8 53 9 Liquid 40 320 355 62 9 Gas 12 9 297 2 Gas valve Liquid valve Ф28 Cable port 1 1 8 29 Pipe port 23 4 129 1 85 3 50 29 Pipe port A 95 89 A 3 Way valve Liquid 3 Way valve Gas 320 139 8 96 40 5 Ф28 Cable port 120 Pipe port 55 25 50 B B 50 25 141 9 70 67 Pipe port 264 6 351 9 47 6 15 2 62 6 15 6 3 4 Outdoor unit 01 15 3 Dimensions GENERAL INFORMATION GENERAL INFORMATION ...

Страница 22: ...3 4 Outdoor unit 01 16 3 Dimensions GENERAL INFORMATION GENERAL INFORMATION ...

Страница 23: ...2 TECHNICAL DATA AND PARTS LIST 2021 06 15 SR_CH02_SM001EG_04 ...

Страница 24: ...KRTA and AOHG54KRTA 02 22 5 Accessories 02 26 5 1 Indoor unit 02 26 5 2 Outdoor unit 02 28 6 Optional parts 02 29 6 1 Branch pipes 02 29 6 2 Controllers 02 31 6 3 Cassette grille 02 32 6 4 Others 02 33 7 Refrigerant system diagrams 02 36 7 1 Models AOHG36KRTA AOHG45KRTA and AOHG54KRTA 02 36 8 Wiring diagrams 02 37 8 1 Indoor unit 02 37 8 2 Outdoor unit 02 38 9 PC board diagrams 02 40 9 1 Models AU...

Страница 25: ...rs working in the local area shall be instructed on the nature of work being carried out Work in confined spaces shall be avoided The area around the workspace shall be sectioned off Ensure that the conditions within the area have been made safe by control of flammable ma terial Electric shock may occur After turning off the power always wait 5 minutes before touching electrical components Do not ...

Страница 26: ...coration Panel without Insulations Display panel assy Panel Cover without Insulations Indicator PCB Connector Cover 9382821005 9383100048 9375530013 9711310002 9375549015 1 2 3 4 5 2 1 Model UTG UFGF W 02 2 2 Cassette grille optional part parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Страница 27: ... 13 14 Intake grille Long Life Filter Hook bracket Grille hook 9382863005 9375533014 9375546014 9375532031 12 13 14 11 2 1 Model UTG UFGF W 02 3 2 Cassette grille optional part parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Страница 28: ...tep Motor White connector Step Motor Red connector Flap assy A Flap assy B 9900139070 9900139087 9375727048 9377759047 21 22 23 24 2 1 Model UTG UFGF W 02 4 2 Cassette grille optional part parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Страница 29: ...2 1 Model UTG UFGF W 02 5 2 Cassette grille optional part parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Страница 30: ... Item no Part no Part name Service part 1 9379665001 Drain hose 2 9379757010 Hose band 3 9900942038 Pipe thermistor 4 9900826000 Room thermistor 3 1 Models AUXG18KVLA AUXG22KVLA and AUXG24KVLA 02 6 3 Indoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Страница 31: ... For 14 model 9710995767 Main PCB For 18 model 9710995613 Main PCB For 22 model 9710995866 Main PCB For 24 model 12 0600063023 Holder 13 9710019005 Communication PCB 14 9710661006 Power supply PCB 15 9900568009 Terminal 16 9900896003 Terminal 3 1 Models AUXG18KVLA AUXG22KVLA and AUXG24KVLA 02 7 3 Indoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Страница 32: ...375477011 Thermistor holder 25 9377765024 Drain pan sub assy For 18 model 9377765017 Drain pan sub assy For 22 24 model 26 9375718015 Drain port sub assy 27 9375721046 Float switch sub assy 28 9375717025 Drain pump sub assy 3 1 Models AUXG18KVLA AUXG22KVLA and AUXG24KVLA 02 8 3 Indoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Страница 33: ...14118 Evaporator total assy For 14 model 9377914125 Evaporator total assy For 18 model 9377914149 Evaporator total assy For 22 24 model 32 9377764065 Insulation box sub assy For 07 09 12 14 18 model 9377764058 Insulation box sub assy For 22 24 model 3 1 Models AUXG18KVLA AUXG22KVLA and AUXG24KVLA 02 9 3 Indoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Страница 34: ...art no Part name Service part 41 9375719012 Fan motor sub assy 42 9602436019 Fan motor 43 9375480011 2 stage turbo fan assy 44 9377807014 Shaft cap 45 9377811011 Washer cover 3 1 Models AUXG18KVLA AUXG22KVLA and AUXG24KVLA 02 10 3 Indoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Страница 35: ...l Window sub assy 5 9380042013 Outlet frame assy 6 9380595007 Front panel 3 fan 7 9379576017 Valve cover sub assy 8 9380590002 Fan guard 3 fan 9 9379575003 Air filter 10 9380603016 Main panel 3 fan 11 9380598008 Cabinet panel 3 fan 12 9379901178 Drain pan sub assy 13 9380682493 Evaporator total assy 3 2 Model ARXG18KLLAP 02 11 3 Indoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA A...

Страница 36: ...04 Shaft assy 25 9378038011 Joint assy 26 9379644006 Rubber Vibration proof 27 9379572019 Casing B 28 9379571012 Casing U 29 9379047142 Fan motor assy 30 9378450097 Hose sub assy 31 9379914062 Drain pump sub assy 32 9378593039 Float switch sub assy 33 9379913003 Drain hose assy 3 2 Model ARXG18KLLAP 02 12 3 Indoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Страница 37: ...624131 Main PCB 43 9710019005 2 way remote PCB 44 9900568009 Terminal 3P 45 9900896003 Terminal 3P For wired remote controller 9900653019 Room thermistor 9900942045 Pipe thermistor 3 2 Model ARXG18KLLAP 02 13 3 Indoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Страница 38: ...KMLA 1 2 Hook metal Ref Description Part number 1 Room thermistor 9900826048 2 Pipe thermistor 9900942045 3 3 Models ARXG22KMLA and ARXG24KMLA 02 14 3 Indoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Страница 39: ...nal 5P 9900896003 13 Communication PCB 9710019005 12 Holder 0600063023 14 Power supply PCB 9710661013 17 Reactor assy 9707457049 Ref Description Part number 16 13 12 15 3 3 Models ARXG22KMLA and ARXG24KMLA 02 15 3 Indoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Страница 40: ...an sub assy Ref Description Part number Bracket pipe sub assy 9374517978 9374513017 Main panel sub assy 22 21 3 3 Models ARXG22KMLA and ARXG24KMLA 02 16 3 Indoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Страница 41: ...Sirocco fan assy 9356531060 35 Rubber 9385102002 31 Casing A 9374233021 34 Fan motor assy 9380718031 Ref Description Part number 35 34 Motor bracket 3 3 Models ARXG22KMLA and ARXG24KMLA 02 17 3 Indoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Страница 42: ...Model AOHG36KRTA Exterior parts and chassis 15 6 9 12 7 2 1 8 16 22 17 18 14 13 25 26 19 20 21 23 24 a b 11 10 4 5 3 3 4 1 Model AOHG36KRTA 02 18 4 Outdoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Страница 43: ...e 13 313166024302 Drain cap 14 9303029015 Drain assy 15 9350255009 Base assy Service 16 9383876004 Service panel sub assy 17 9383878008 Front pipe cover 18 9372171059 Emblem rear 19 9383863004 Front panel assy 20 9383604003 Blow grille 21 9383689000 Blow grille insulation 22 9383882005 Left panel sub assy 23 9383336003 Propeller fan 24 9603732011 Brushless motor 25 9383862007 Motor bracket assy 26...

Страница 44: ... Compressor 58 57 53 60 59 b 50 52 65 64 64 63 62 63 64 63 B A c B 56 A 61 51 55 a 54 4 1 Model AOHG36KRTA 02 20 4 Outdoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Страница 45: ... 57 9970209000 Expansion valve coil 58 9370947328 Expansion valve assy 59 9379079013 3 way valve assy 60 9377958037 3 way valve assy 61 9900985035 Thermistor Compressor 62 9810028006 Thermistor stopper 63 9379179072 Rubber washer E 64 9377973016 Special nut 65 9383821011 Compressor assy a Thermostat holder b Joint pipe D c Wiring fixation unit 4 1 Model AOHG36KRTA 02 21 4 Outdoor unit parts list T...

Страница 46: ...RTA Exterior parts and chassis 15 6 9 12 7 2 1 8 16 22 17 18 14 13 25 26 19 23 24 a b 11 10 4 5 3 3 20 21 4 2 Models AOHG45KRTA and AOHG54KRTA 02 22 4 Outdoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Страница 47: ...Service for 54 model 13 313166024302 Drain cap 14 9303029015 Drain assy 15 9350255009 Base assy Service 16 9383876011 Service panel sub assy 17 9383878008 Front pipe cover 18 9372171059 Emblem rear 19 9383863011 Front panel assy 20 9383604003 Blow grille 21 9383689000 Blow grille insulation 22 9383882012 Left panel sub assy 23 9383336003 Propeller fan 24 9603733018 Brushless motor 25 9383862014 Mo...

Страница 48: ... Compressor 58 57 53 60 63 59 b 50 52 A c A 61 51 55 a 54 56 B B 62 4 2 Models AOHG45KRTA and AOHG54KRTA 02 24 4 Outdoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Страница 49: ...umulator assy Service 57 9970209000 Expansion valve coil 58 9370947311 Expansion valve assy 59 9379079013 3 way valve assy 60 9377958037 3 way valve assy 61 9900985028 Thermistor Compressor 62 9379179089 Rubber washer F 63 9383851131 Compressor unit a Thermistor spring b Joint pipe D c Wiring fixation unit 4 2 Models AOHG45KRTA and AOHG54KRTA 02 25 4 Outdoor unit parts list TECHNICAL DATA AND PART...

Страница 50: ...Drain hose insulation 1 Operating manual CD ROM 1 Hose band 1 Installation manual 1 Coupler heat insulation large 1 Template Carton top 1 Coupler heat insulation small 1 M10 nut A with flange 4 Cable tie 2 M10 nut B with spring lock washer 4 Wire cramper 1 Drain hose 1 5 1 Indoor unit 02 26 5 Accessories TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Страница 51: ... 1 Drain hose 1 Installation manual 1 Hose band 1 Installation template 1 Drain hose insulation B 1 Washer 8 Insulation for electrical wiring 2 Cable tie large 4 Coupler heat insulation large 1 Cable tie medium 3 Coupler heat insulation small 1 5 1 Indoor unit 02 27 5 Accessories TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Страница 52: ...ger 4 Coupler heat insulation Small 1 Drain hose insulation 1 M10 nut A with flange 4 Cable tie Large 1 M10 nut B with spring lock washer 4 5 2 Outdoor unit Models AOHG36KRTA AOHG45KRTA and AOHG54KRTA Part name Exterior Q ty Part name Exterior Q ty Installation manual 1 Drain cap 3 Drain pipe 1 One touch bush 2 5 1 Indoor unit 02 28 5 Accessories TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PA...

Страница 53: ...s pipe Q ty Ø9 52 Ø6 35 Ø6 35 Ø12 70 1 Ø12 70 Ø12 70 Ø15 88 Ø19 05 1 Dimensions Liquid pipe Gas pipe 428 53 15 15 15 80 53 15 15 400 15 90 Heat insulation cover Liquid pipe Q ty Gas pipe Q ty 1 1 6 1 Branch pipes 02 29 6 Optional parts TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Страница 54: ... 70 1 Ø12 70 Ø15 88 Ø19 05 Ø12 70 Ø12 70 1 Dimensions Liquid pipe Gas pipe 53 15 15 175 70 70 300 53 15 15 130 140 70 70 Heat insulation cover Liquid pipe Q ty Gas pipe Q ty 1 1 Others Cable tie Q ty 1 6 1 Branch pipes 02 30 6 Optional parts TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Страница 55: ...ller is not available for this product Parts Exterior Part name Model name Summary Wireless remote controller UTY LNTG Unit control is performed by wireless remote controller IR receiver kit with wireless remote controller UTY LBTYM Unit control is performed by wireless remote controller Wired remote controller UTY RVNYM UTY RVNGM Large and full dot liquid crystal screen wide and large keys easy t...

Страница 56: ... basic functions such as Start Stop fan control temperature setting and operation mode Wire type Polar 3 wire NOTE Available functions may differ by the remote controller For details refer to the operation manual 6 3 Cassette grille Parts Exterior Part name Model name Summary Cassette grille UTG UFGF W This cassette grille can be installed appropriately on the grid type ceiling common in the offic...

Страница 57: ...TY XWZXZG UTY XWZXZ3 Parts for Indoor unit Exterior Part name Model name Summary Remote sensor unit UTY XSZX Thermo sensor for sensing the temperature of arbitrary place in the room Auto louver grille kit UTD GXSB W Width 883 mm Square flange UTD SF045T Both the Square flange and the Round flange can be selected Round flange UTD RF204 Round flange is used when the fresh air duct is installed 507 m...

Страница 58: ...ceiling space become 50 mm lower Fresh air intake kit UTZ VXAA By attaching Fresh air intake kit to the indoor unit it can be taken in fresh air of up to 10 of high air volume of the indoor unit Insulation kit Insulation for high humidity UTZ KXGA Install when the under roof condition is expected to be the humidity of over 80 and the temperature of over 30 C Wireless LAN adapter UTY TFSXZ1 Remotel...

Страница 59: ...ned use of following optional parts and Wireless LAN adapter UTY TFSXZ1 is not allowed Modbus converter KNX converter Parts for Outdoor unit Exterior Part name Model name Summary External connect kit UTY XWZXZ3 Use to operate the external input and output functions of outdoor unit 6 4 Others 02 35 6 Optional parts TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Страница 60: ...I ThO ThHO ThC Thermistor Compressor temperature Thermistor Discharge temperature Thermistor Outdoor temperature Thermistor Heat Exchanger Out temperature ThD ThO ThHO Thermistor Room temperature Thermistor Pipe temperature ThR ThPI Pressure sensor 3 Way valve Thermistor Heat Exchanger Med temperature ThHM ThHM 7 1 Models AOHG36KRTA AOHG45KRTA and AOHG54KRTA 02 36 7 Refrigerant system diagrams TEC...

Страница 61: ...t Compact cassette type Models AUXG18KVLA AUXG22KVLA and AUXG24KVLA Slim duct type Model ARXG18KLLAP WLAN adapter Converter etc Option 8 1 Indoor unit 02 37 8 Wiring diagrams TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Страница 62: ... Duct type Models ARXG22KMLA and ARXG24KMLA 8 2 Outdoor unit Model AOHG36KRTA 8 1 Indoor unit 02 38 8 Wiring diagrams TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Страница 63: ... Models AOHG45KRTA and AOHG54KRTA 8 2 Outdoor unit 02 39 8 Wiring diagrams TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Страница 64: ...6 RED UL1430 AWG26 GRAY UL1430 AWG26 ORANGE UL1430 AWG26 YELLOW CN65 1 CN65 2 CN65 3 CN65 4 UL1007 AWG22 RED UL1007 AWG22 WHITE UL1007 AWG22 BLACK UL1007 AWG22 BLUE UL1007 AWG22 ORANGE 3 2 1 Y1 Y2 Y3 1 2 TERMINAL TERMINAL LOUVER1 SPM LOUVER2 SPM LOUVER 1 LOUVER 2 EMI FILTER ZCAT2132 1130 1 TURN DC FAN MOTOR M AC DRAIN PUMP MOTOR DC FAN MOTOR UL1015 AWG16 GREEN UL1015 AWG20 GREEN FLOAT SWITCH THERM...

Страница 65: ...NISK A 1 WHITE CN261 B10B PLIRK 1 RED CN700 B12B PASK 1 WHITE CN551 B04B PAKK 1 BLACK CN11 B05B XASK 1 A WHITE CN2 11PSL JE WHITE CN1 S09B PASK 2 WHITE THERMISTOR ROOM TEMP THERMISTOR PIPE TEMP FLOAT SWITCH CN8 B02B XASK 1 A WHITE CN6 B03B PASK 1 WHITE CN71 B04B XASK 1 A WHITE CN9 B03B XARK 1 A RED CN48 B09B PASK 1 WHITE CN65 B04B PASK 1 WHITE CN320 11R JE WHITE CN300 B03B XNISK A 1 WHITE CN46 B3B...

Страница 66: ... RED W260 CN260 B04B XNISK A 1 WHITE CN700 B12B PASK 1 WHITE CN551 B04B PAKK 1 BLACK CN11 B05B XASK A 1 WHITE CN204 B2P4 VH B WHITE CN106 B2P3 VH B E BLUE CN520 B5 7 2 3 B XASK 1 A WHITE CN205 B3 8 0 B PSILE 1 BLUE CN263 B10B PLIRK 1 RED CN262 B04B XNISK A 1 WHITE CN320 11R JE WHITE CN300 B03B XNISK A 1 WHITE CN46 B03B XH AM WHITE CN47 B02B PASK 1 WHITE CN65 B04B PASK 1 WHITE CN48 B09B PASK 1 WHIT...

Страница 67: ...THERMISTOR COM TEMP THERMISTOR PIPE MID TEMP THERMISTOR PIPE OUT TEMP THERMISTOR OUTDOOR TEMP THERMISTOR DISCHARGE TEMP THERMISTOR HEATSINK TEMP HIGH PRESSURE SWITCH COMPRESSOR DC FAN MOTOR 1 FM HP SW1 CM 4WV EEV 1 PRES SENSOR HI TERMINAL F102 10A AC250V F100 30A AC500V F101 30A AC500V F104 10A AC250V 1 2 3 L1 L2 L3 N INDOOR UNIT 1P2W AC230V 50Hz POWER SOURCE 3P4W AC400V 50Hz MAIN PCB 36 model G36...

Страница 68: ...9 4 Models AOHG36KRTA AOHG45KRTA and AOHG54KRTA 02 44 9 PC board diagrams TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Страница 69: ...3 TROUBLESHOOTING 2021 06 15 SR_CH03_SM001EG_03 ...

Страница 70: ...ature sensor error Indoor unit 03 20 2 14 E 42 Indoor unit heat exchanger sensor error Indoor unit 03 21 2 15 E 51 Indoor unit fan motor error Indoor unit 03 22 2 16 E 53 Drain pump error Indoor unit 03 23 2 17 E 62 Outdoor unit main PCB error Outdoor unit 03 24 2 18 E 63 Inverter error Outdoor unit 03 25 2 19 E 64 PFC circuit error Outdoor unit 03 26 2 20 E 65 Trip terminal L error Outdoor unit 0...

Страница 71: ...Water leaking 03 56 4 Service parts information 03 57 4 1 Compressor 03 57 4 2 Inverter compressor 03 58 4 3 Outdoor unit Electronic Expansion Valve EEV 03 61 4 4 Indoor unit fan motor 03 63 4 5 Outdoor unit fan motor 03 64 4 6 Pressure switch 03 65 4 7 4 way valve coil solenoid coil 4 way valve 03 66 5 Thermistor resistance values 03 67 5 1 Indoor unit 03 67 5 2 Outdoor unit 03 68 CONTENTS contin...

Страница 72: ......

Страница 73: ...rized error is only displayed during the 3 min utes ST state period Start the operation and then press the TEST RUN button on the remote controller Press the MANUAL AUTO button on the indoor unit for 10 seconds or more Error memory display 2 minutes 20 seconds Starting operation and then Press TEST RUN button on the remote controller or Press MANUAL AUTO button on the indoor unit for 10 seconds or...

Страница 74: ...or error Indoor unit 41 E 42 Indoor unit heat exchanger sensor error Indoor unit 42 E 51 Indoor unit fan motor error Indoor unit 51 E 53 Drain pump error Indoor unit 53 E 62 Outdoor unit main PCB error Outdoor unit 62 E 63 Inverter error Outdoor unit 63 E 64 PFC circuit error Outdoor unit 64 E 65 Trip terminal L error Outdoor unit 65 E 71 Discharge thermistor error Outdoor unit 71 E 72 Compressor ...

Страница 75: ...nit 2 5 15 E 32 Indoor unit main PCB error Indoor unit 2 5 15 E 33 Indoor unit motor electricity consumption detection error Indoor unit 2 5 15 E 39 Indoor unit power supply error for fan motor Indoor unit 2 5 15 E 3A Indoor unit communication circuit wired remote controller error 2 5 15 E 41 Room temperature sensor error Indoor unit 2 5 15 E 42 Indoor unit heat exchanger sensor error Indoor unit ...

Страница 76: ...or control error Outdoor unit 2 9 5 E 97 Outdoor unit fan motor error Outdoor unit 2 9 7 E 99 4 way valve error Outdoor unit 2 9 9 E A1 Discharge temperature error Outdoor unit 2 10 1 E A3 Compressor temperature error Outdoor unit 2 10 3 E A5 Low pressure error Outdoor unit 2 10 5 E AC Heat sink temperature error Outdoor unit 2 10 12 Light on Light off n n Times blinking 1 4 Error code table Outdo...

Страница 77: ...1 Reset the power and operate Does error indication show again If no go to Check point 1 2 Check point 2 Check connection Check any loose or removed connection line of indoor unit and outdoor unit Check connection condition is control unit If there is loose connector open cable or mis wiring If there is an abnormal condition correct it by referring to the installation manual or the DESIGN TECHNICA...

Страница 78: ...57 If outdoor fan motor is abnormal replace outdoor unit fan motor and main PCB If the checked parts are normal replace the main PCB End Check point 1 2 Check external cause such as noise Check the complete insulation of the grounding Check if there is any equipment that causes harmonic wave near the power cable Neon light bulb or any electronic equipment which causes harmonic wave End 2 1 E 11 Se...

Страница 79: ...eck point 2 Check connection Check any loose or removed connection line of indoor unit and outdoor unit Check connection condition is control unit If there is loose connector open cable or mis wiring If there is an abnormal condition correct it by referring to the installation manual or the DESIGN TECHNICAL MANUAL Check point 3 Check the voltage of power supply Check the voltage of power supply Ch...

Страница 80: ...t is abnormal replace main PCB End Check point 1 2 Check external cause such as noise Check the complete insulation of the grounding Check if there is any equipment that causes harmonic wave near the power cable Neon light bulb or any electronic equipment which causes harmonic wave End 2 2 E 11 Serial communication error Serial forward transfer error Indoor unit 03 8 2 Troubleshooting with error c...

Страница 81: ... unit and check if there is a disconnection of the cable Check Point 1 2 Check Wired remote controller and main PCB AU type Check voltage at CN14 of main PCB terminal 1 3 terminal 1 2 Power supply to the remote controller If it is DC 12 V remote controller is failure Main PCB is normal Replace remote control If it is DC 0 V main PCB is failure Check remote controller once again Replace main PCB AR...

Страница 82: ...cting indoor unit and remote controller in one remote controller group were less than 16 units Check Point 2 1 Check Indoor unit main PCB Check if main PCB damage Change main PCB and check the error after setting remote controller address End 2 3 E 12 Wired remote controller communication error Indoor unit 03 10 2 Troubleshooting with error code TROUBLESHOOTING TROUBLESHOOTING ...

Страница 83: ...ain PCB to the external input and out put PCB If there is an abnormal condition correct it by refer to the installation manual or the DESIGN TECHNICAL MANUAL Check the connection condition on the external input and output PCB and the main PCB If there is loose connector open cable or mis wiring Check point 2 Replace the external input and output PCB If check point 1 do not improve the symptom chan...

Страница 84: ...door unit is selected Check point 1 Check the type of indoor unit Check the type of the connected indoor unit If there is an abnormal condition correct it by refer to the installation manual or the DESIGN TECHNICAL MANAL Check point 2 Replace main PCB If check point 1 do not improve the symptom replace main PCB of the outdoor unit End 2 5 E 23 Combination error Outdoor unit 03 12 2 Troubleshooting...

Страница 85: ...ontroller group For installation method refer to in stallation manual If there is an abnormal condition correct it by refer to the installation manual or the DESIGN TECHNICAL MANUAL Check point 2 Wrong remote controller group setting The given address number by auto setting 00 and the manual set number except 00 are not existing in one remote controller group The remote controller address setting ...

Страница 86: ...or remote controller in remote controller group Indoor unit main PCB failure Check point 1 Wire installation Wrong number of connected indoor unit If there is an abnormal condition correct it by refer to the installation manual or the DESIGN TECHNICAL MANUAL Check point 2 Check indoor unit main PCB Check if main PCB is damaged Change main PCB and check the error after setting remote controller add...

Страница 87: ...eck point 3 Replace main PCB Change main PCB End Check point 1 2 Check external cause such as noise Check if the ground connection is proper Check if there is any equipment that causes harmonic wave near the power cable Neon light bulb or any electronic equipment which causes harmonic wave End NOTE EEPROM EEPROM Electronically Erasable and Programmable Read Only Memory is a non volatile memory whi...

Страница 88: ...ing is abnormal replace it Check point 2 Check ambient temperature around the motor Check excessively high temperature around the motor If there is any surrounding equipment that causes heat Upon the temperature coming down restart operation Check point 3 Check indoor unit fan motor Check indoor unit fan motor Refer to indoor unit fan motor in Service parts information on page 03 57 If indoor unit...

Страница 89: ...e Controller PCB and indicator PCB failure Check point 1 Check the MANUAL AUTO but ton If MANUAL AUTO button is disabled on off switching replace it Check if MANUAL AUTO button is kept pressed Check On Off switching operation by using a meter Check point 2 Replace main PCB and indicator PCB If Check Point 1 does not improve the symptom change main PCB and indicator PCB End 2 10 E 35 MANUAL AUTO bu...

Страница 90: ...f there is a defective contact or leak current in the power sup ply circuit Noise Check if there is any equipment causing harmonic wave near electric line Neon bulb or electric equipment that may cause harmonic wave Check the complete insulation of grounding Check point 2 Check connection of Connector Check if connector is removed Check erroneous connection Check if cable is open Upon correcting t...

Страница 91: ...in PCB defective Check point 1 Check the connection of terminal After turning off the power supply check and correct the followings Indoor unit Check the connection the communication PCB and the main PCB Check Point 2 Replace the communication PCB If the Check point 1 is ok replace the communication PCB Check Point 3 Replace the main PCB If condition is doesn t change replace the main PCB End 2 12...

Страница 92: ...onnector or incorrect wiring Check point 2 Remove connector and check thermistor resistance value For the room thermistor resistance value refer to Thermistor resistance values on page 03 67 If thermistor is either open or shorted replace it and reset the power Check point 3 Check voltage of main PCB Make sure circuit diagram of each indoor unit and check terminal voltage at thermis tor DC 5 0 V N...

Страница 93: ...to removed connector or incorrect wiring Check point 2 Remove connector and check thermistor resistance value For the heat exchanger thermistor resistance value refer to Thermistor resis tance values on page 03 67 If thermistor is either open or shorted replace it and reset the power Check point 3 Check voltage of main PCB Make sure circuit diagram of each indoor unit and check terminal voltage at...

Страница 94: ...an is caught dropped off or locked motor If fan or bearing is abnormal replace it Check point 2 Check ambient temperature around motor Check excessively high temperature around the motor If there is any surrounding equipment that causes heat Upon the temperature coming down restart operation Check point 3 Check indoor unit fan motor Check Indoor unit fan motor Refer to indoor unit fan motor in Ser...

Страница 95: ...k ON OFF switching operation by using a meter If float switch is abnormal replace it Check point 2 Check connector and wire Check loose contact of CN9 and shorted wire pinched wire Replace float switch if the wire is abnormal Check point 3 Check drain hose Check drain hose If there is hose clogging Please clear the clog Check point 4 Replace drain pump If check point 1 to 3 do not improve the symp...

Страница 96: ...k point 1 Reset power supply and operate If no go to Check point 1 2 Does error indication show again Check point 2 Replace main PCB Change main PCB End Check point 1 2 Check external cause Check if temporary voltage drop was not generated Check if momentary open was not generat ed Check if ground is connection correctly or there are no related cables near the power line End 2 17 E 62 Outdoor unit...

Страница 97: ... point 1 2 Error displayed again Check point 2 Check the wiring power supply to inverter PCB Connector and wiring connection state check Cable open check Check point 3 Replace inverter PCB Replace inverter PCB End Check point 1 2 Check external cause Check if temporary voltage drop was not generated Check if momentary open was not generated Check if ground is connection correctly or there are no r...

Страница 98: ...tus in the same circuit Momentary power failure Check if there is a defective contact or leak current in the power sup ply circuit Noise Check if there is any equipment causing harmonic wave near electric line Neon bulb or electric equipment that may cause harmonic wave Check the complete insulation of grounding Check point 2 Check connection of Connector Check if connector is removed Check errone...

Страница 99: ...tdoor unit Main PCB When the signal from FO terminal of IPM is L 0 V during the compressor stopping Forecast of cause Main PCB failure Check point 1 Check main PCB Replace the outdoor unit main PCB End 2 20 E 65 Trip terminal L error Outdoor unit 03 27 2 Troubleshooting with error code TROUBLESHOOTING TROUBLESHOOTING ...

Страница 100: ...einstalling due to removed connector or incorrect wiring Check point 2 Remove connector and check thermistor resistance value For the discharge temperature thermistor resistance value refer to Thermistor resistance values on page 03 67 If thermistor is either open or shorted replace it and reset the power Check point 3 Check voltage of main PCB Make sure circuit diagram of outdoor unit and check t...

Страница 101: ... reinstalling due to removed connector or incorrect wiring Check point 2 Remove connector and check thermistor resistance value For the compressor thermistor resistance value refer to Thermistor resistance values on page 03 67 If thermistor is either open or shorted replace it and reset the power Check point 3 Check voltage of main PCB Make sure circuit diagram of outdoor unit and check terminal v...

Страница 102: ...onnection state check Cable open check Check Point 2 Check the thermistor For the outdoor unit heat exchanger thermistor resistance value refer to Ther mistor resistance values on page 03 67 If thermistor is either open or shorted replace it and reset the power Check point 3 Check voltage of main PCB Make sure circuit diagram of outdoor unit and check terminal voltage at thermistor DC 5 0 V NOTE F...

Страница 103: ...lling due to removed connector or incorrect wiring Check point 2 Remove connector and check thermistor resistance value For the outdoor temperature thermistor resistance value refer to Thermistor re sistance values on page 03 67 If thermistor is either open or shorted replace it and reset the power Check point 3 Check voltage of main PCB Make sure circuit diagram of outdoor unit and check terminal...

Страница 104: ...correct wiring Check point 2 Remove connector and check thermistor resistance value For the Heat sink thermistor resistance value refer to Thermistor resistance val ues on page 03 67 If thermistor is either open or shorted replace it and reset the power Check point 3 Check voltage of inverter PCB Make sure circuit diagram of outdoor unit and check terminal voltage at thermistor DC 5 0 V NOTE For d...

Страница 105: ...or or mis wiring reset the power Check if the terminal connection is loose Check if connector is removed Check erroneous connection Check if cable is open Check point 3 Replace main PCB If Check point 1 2 do not improve the symptom change main PCB End Check point 1 2 Check external cause at Indoor and Outdoor Voltage drop or Noise Instant drop Check if there is a large load electric apparatus in t...

Страница 106: ...ctor and wiring connection state Check if cable is open Reset power when reinstalling due to removed connector or incorrect wiring Check point 2 Check the high pressure switch characteristics Check switch characteristics For the characteristics of the high pressure switch refer to below Check point 3 Replace main PCB Change main PCB and check operation again End Type of contact C H Pressure Charac...

Страница 107: ...ble is open Upon correcting the removed connector or mis wiring reset the power Check point 2 Check output voltage of main PCB Make sure circuit diagram of outdoor unit and check terminal voltage at thermistor DC 5 0 V 5 NOTE For details of thermistor connector refer to Wiring diagrams in Chapter 2 TECHNICAL DATA AND PARTS LIST on page 02 37 If the voltage is not correct replace main PCB Check poi...

Страница 108: ...or failure lock winding short Inverter PCB Check point 1 Check the outdoor unit fan operation heat exchanger ambient temperature No obstructions in air passages Heat exchange fins clogged Outdoor unit fan motor check Ambient temperature not raised by the effect of other heat sources Discharged air not sucked in Check point 2 Replace inverter PCB If Check point 1 do not improve the symptom change i...

Страница 109: ...an abnormal noise show replace compres sor Check point 2 Check connection of around the compressor components For compressor terminal main PCB Check if connector is removed Check erroneous connection Check if cable is open Refer to inverter compressor in Service parts information on page 03 57 Upon correcting the removed connector or mis wiring reset the power Check point 3 Replace main PCB If Che...

Страница 110: ...failure Main PCB failure Outdoor unit fan motor Check point 1 Check rotation of fan Rotate the fan by hand when operation is off Check if fan is caught dropped off or locked motor If fan or bearing is abnormal replace it Check point 2 Check ambient temperature around motor Check excessively high temperature around the motor If there is any surrounding equipment that causes heat Upon the temperatur...

Страница 111: ...o Wiring diagrams in Chapter 2 TECHNICAL DATA AND PARTS LIST on page 02 37 Read wire DC voltage Red Black 280 V AC 220 V 10 to 373 V AC 240 V 10 White Black 15 1 5 V If the voltage is not correct replace inverter PCB Check point 5 Replace main PCB If Check point 1 to 4 do not improve the symptom change main PCB End 2 31 E 97 Outdoor unit fan motor error Outdoor unit 03 39 2 Troubleshooting with er...

Страница 112: ...nector connection failure Thermistor failure Coil failure 4 way valve failure Main PCB failure Check point 1 Check air filter condition Check air filter dirty If the air filter dirty clean up the air filter Check point 2 Check connection of connector Check if connector is removed Check erroneous connection Check if thermistor cable is open Upon correcting the removed connector or mis wiring reset ...

Страница 113: ...Ω If it is open or abnormal resistance value replace solenoid coil 4 way valve Check each piping temperature and the location of the valve by the temperature difference If the value location is not proper replace 4 way valve Check point 5 Replace main PCB If Check Point 1 to 4 do not improve the symptom replace main PCB End 2 32 E 99 4 way valve error Outdoor unit 03 41 2 Troubleshooting with erro...

Страница 114: ... liquid side of the 3 way valve Check point 2 Check any of the electronic expansion valve EEV capillary tube or strainer or all Check if EEV open or there is a capillary tube defect Refer to outdoor unit Electrronic Expansion Valve EEV or Capillary tube in Service parts in formation on page 03 57 Check the strainer clogging Check point 3 Check the outdoor unit fan and heat exchanger Check for fore...

Страница 115: ...the refrigerant leakage Check point 6 Replace main PCB If check point 1 to 5 do not improve the symptom replace the main PCB End 2 33 E A1 Discharge temperature error Outdoor unit 03 43 2 Troubleshooting with error code TROUBLESHOOTING TROUBLESHOOTING ...

Страница 116: ...valve For heating operation check liquid side of the 3 way valve Check point 2 Check the electronic expansion valve EEV and strainer Check if EEV open Refer to outdoor unit Electronic Expansion Valve EEV in Service parts information on page 03 57 Check the strainer clogging Check point 3 Check the outdoor unit fan and heat exchanger Check for foreign object at heat exchanger Check if fan can be ro...

Страница 117: ...he refrigerant leakage Check point 6 Replace main PCB If check point 1 to 5 do not improve the symptom replace the main PCB End 2 34 E A3 Compressor temperature error Outdoor unit 03 45 2 Troubleshooting with error code TROUBLESHOOTING TROUBLESHOOTING ...

Страница 118: ... of the 3 way valve Check point 2 Check the outdoor unit ambient temperature Only when heating operation Outdoor unit ambient temperature lower than operating range Check point 3 Check the outdoor unit fan and heat exchanger Only when heating operation No foreign object in air passage Heat exchanger fins clogged Fan rotes Check the motor Refer to outdoor unit fan motor in Service parts information...

Страница 119: ...eck the refrigerant leakage Check point 7 Replace main PCB If check point 1 to 6 do not improve the symptom replace the main PCB End 2 35 E A5 Low pressure error Outdoor unit 03 47 2 Troubleshooting with error code TROUBLESHOOTING TROUBLESHOOTING ...

Страница 120: ...te Heat sink foreign matter soiling check Check point 2 Check the foreign matter and ambient temperature of heat exchanger Heat exchange foreign matter check Ambient temperature not raised by effect of other heat sources Discharged air not sucked in Check point 3 Check the heat sink temperature thermistor The heat sink temperature thermistor characteristics check Check by disconnecting thermistor ...

Страница 121: ...er sup ply circuit Noise Check if there is any equipment causing harmonic wave near electric line Neon bulb or electric equipment that may cause harmonic wave Check the complete insulation of grounding Check point 3 Check electrical components Check the voltage of power supply Check if AC 198 to 264 V appears at outdoor unit terminal L N If no go to Check point 1 and Check point 2 Check fuse in fi...

Страница 122: ... a defective contact or leak current in the power sup ply circuit Noise Check if there is any equipment causing harmonic wave near electric line Neon bulb or electric equipment that may cause harmonic wave Check the complete insulation of grounding Check point 3 Check electrical components Check the voltage of power supply Check if AC 198 to 264 V appears at outdoor unit terminal L N If no go to C...

Страница 123: ... defective contact or leak current in the power sup ply circuit Noise Check if there is any equipment causing harmonic wave near electric line Neon bulb or electric equipment that may cause harmonic wave Check the complete insulation of grounding Check point 3 Check wired remote controller and controller PCB AU type Check voltage at CN14 of controller PCB Terminal 1 3 Terminal 1 2 Power supply to ...

Страница 124: ...heck point 4 Replace main PCB If check point 1 to 3 do not improve the symptom change main PCB End 3 3 No operation Power is on 03 52 3 Troubleshooting without error code TROUBLESHOOTING TROUBLESHOOTING ...

Страница 125: ...eck connection pipe specified pipe length and pipe diameter Check any loose or removed communication line If there is an abnormal condition correct it by referring to the installation manual or the DESIGN TECHNICAL MANUAL Check point 5 Check Refrigeration cycle Check if strainer is clogged Refer to the figure below Measure gas pressure and if there is a leakage correct it Check if EEV open or ther...

Страница 126: ...nd outlet as shown be low Pipe In Pipe Out If there is a difference like shown below there is a possibility of inside clogged In this case re place the strainer Pipe In Pipe Out 3 4 No cooling No heating 03 54 3 Troubleshooting without error code TROUBLESHOOTING TROUBLESHOOTING ...

Страница 127: ...grille and front panel normal Is main unit installed in stable condi tion Is fan guard installed normally Is fan broken or deformed Is the screw of fan loose Is there any object which obstruct the fan rotation Is fan broken or deformed Is the screw of fan loose Is there any object which obstruct the fan rotation End Check if vibration noise by loose bolt or contact noise of piping is happening Is ...

Страница 128: ...in stable condi tion Is main unit broken or deformed at the time of transportation or maintenance Is the filter clogged Is drain hose connection loose Is there a trap in drain hose Is drain hose clogged Check gas pressure and cor rect it if there was a gas leak MPa MPa Is fan rotating End End 3 6 Water leaking 03 56 3 Troubleshooting without error code TROUBLESHOOTING TROUBLESHOOTING ...

Страница 129: ...compressor is con sidered Locked compressor due to clogged dirt or less oil Is gas pipe valve open Low pressure is too low Defective compressor can be considered due to inside dirt clogging or broken component Replace compressor Check if refrigerant is leaking MPa MPa Replace compressor End Check if strainer is clogged Refer to outdoor EEV or capillary tube in this chap ter End Check main PCB conn...

Страница 130: ...PCB W402 W Compressor BLACK WHITE RED W400 U W401 V Check point 2 Check winding resistance Check winding resistance of each terminal Resistance value 2 164 Ω at 25 C R U T W S V RED WHITE BLACK If the resistance value is 0 Ω or infinite replace compressor Check point 3 Replace inverter PCB If check point 1 to 2 do not improve the symptom replace main PCB 4 2 Inverter compressor 03 58 4 Service par...

Страница 131: ...ion of main PCB loose or incorrect wiring Main PCB W402 W Compressor BLACK WHITE RED W400 U W401 V Check point 2 Check winding resistance Check winding resistance of each terminal Resistance value 1 570 Ω at 20 C R U C W S V RED WHITE BLACK If the resistance value is 0 Ω or infinite replace compressor 4 2 Inverter compressor 03 59 4 Service parts information TROUBLESHOOTING TROUBLESHOOTING ...

Страница 132: ...Check point 3 Replace inverter PCB If check point 1 to 2 do not improve the symptom replace main PCB 4 2 Inverter compressor 03 60 4 Service parts information TROUBLESHOOTING TROUBLESHOOTING ...

Страница 133: ...e is abnormal replace EEV Check point 3 Check Voltage from main PCB Remove connector and check voltage DC 12 V If it does not appear replace main PCB Check point 4 Check noise at start up Turn on the power and check the operation noise If an abnormal noise does not show replace main PCB Check point 5 Check Opening and Closing Operation of Valve When valve is closed it has a temp difference between...

Страница 134: ...let and outlet as shown be low Pipe In Pipe Out If there is a difference like shown below there is a possibility of inside clogged In this case replace the strainer Pipe In Pipe Out 4 3 Outdoor unit Electronic Expansion Valve EEV 03 62 4 Service parts information TROUBLESHOOTING TROUBLESHOOTING ...

Страница 135: ...or Refer to below Circuit test Vm and GND terminal NOTE Vm DC voltage GND Earth terminal If they are short circuited below 300 kΩ replace indoor fan motor and controller PCB Pin number wire color Terminal function symbol 1 DC voltage 4 Earth terminal 1 Red DC voltage Vm 2 No function 3 No function 4 Black Earth terminal GND 5 White Control voltage Vcc 6 Yellow Speed command Vsp 7 Brown Feed back F...

Страница 136: ...or Refer to below Circuit test Vm and GND terminal NOTE Vm DC voltage GND Earth terminal If they are short circuited below 300 kΩ replace outdoor fan motor and controller PCB Pin number wire color Terminal function symbol 1 DC voltage 4 Earth terminal 1 Red DC voltage Vm 2 No function 3 No function 4 Black Earth terminal GND 5 White Control voltage Vcc 6 Yellow Speed command Vsp 7 Brown Feed back ...

Страница 137: ...54KRTA Type of contact C H Pressure Characteristics of pressure switch Pressure switch 1 Contact Short Open 4 2 4 05 MPa Contact Open Short 3 2 0 15 MPa 36 45 54 model P770 4 6 Pressure switch 03 65 4 Service parts information TROUBLESHOOTING TROUBLESHOOTING ...

Страница 138: ...lenoid coil Check Point 3 Check operation of 4 way valve Check each piping temperature and confirm the location of the valve by the temperature difference Heating Operation Heating Operation AC SOLENOID COIL 4WAY VALVE HOT GAS HOT GAS ON Cooling Operation Cooling Operation AC SOLENOID COIL 4WAY VALVE HOT GAS HOT GAS OFF If the valve location is not proper replace 4 way valve Check Point 4 Replace ...

Страница 139: ... 3 49 Heat exchanger temperature thermistor Temperature C Resistance kΩ Voltage V 30 0 1 013 09 0 24 25 0 729 08 0 32 20 0 531 55 0 43 15 0 382 31 0 56 10 0 312 27 0 69 5 0 292 90 0 73 0 0 168 60 1 14 5 0 129 84 1 39 10 0 100 91 1 65 15 0 79 12 1 93 20 0 62 55 2 22 25 0 49 84 2 50 30 0 40 01 2 78 35 0 32 35 3 03 40 0 26 34 3 27 45 0 21 58 3 49 50 0 17 79 3 69 55 0 14 75 3 86 60 0 12 30 4 01 65 0 1...

Страница 140: ...5 0 12 21 0 55 10 0 9 50 0 68 15 0 7 46 0 84 20 0 5 90 1 01 25 0 4 71 1 21 30 0 3 78 1 42 35 0 3 06 1 64 40 0 2 50 1 88 45 0 2 05 2 11 50 0 1 69 2 35 55 0 1 40 2 58 60 0 1 17 2 81 65 0 0 98 3 02 70 0 0 83 3 22 75 0 0 70 3 41 80 0 0 60 3 58 85 0 0 51 3 73 90 0 0 44 3 87 95 0 0 38 3 99 100 0 0 33 4 10 5 2 Outdoor unit 03 68 5 Thermistor resistance values TROUBLESHOOTING TROUBLESHOOTING ...

Страница 141: ...0 79 12 0 71 20 0 62 55 0 86 25 0 49 84 1 03 30 0 40 01 1 23 35 0 32 35 1 43 40 0 26 34 1 65 45 0 21 58 1 88 50 0 17 79 2 11 55 0 14 75 2 34 60 0 12 30 2 57 65 0 10 32 2 79 70 0 8 70 3 00 75 0 7 36 3 19 80 0 6 27 3 37 85 0 5 36 3 54 90 0 4 60 3 69 95 0 3 96 3 83 100 0 3 43 3 96 105 0 2 98 4 07 110 0 2 60 4 17 115 0 2 27 4 26 120 0 2 00 4 33 5 2 Outdoor unit 03 69 5 Thermistor resistance values TRO...

Страница 142: ... 3 68 55 0 1 42 3 85 60 0 1 19 4 00 65 0 1 00 4 13 70 0 0 84 4 25 75 0 0 71 4 35 80 0 0 61 4 43 Outdoor temperature thermistor Temperature C Resistance kΩ Voltage V 30 0 224 33 0 73 25 0 159 71 0 97 20 0 115 24 1 25 15 0 84 21 1 56 10 0 62 28 1 90 5 0 46 58 2 26 0 0 35 21 2 61 5 0 26 88 2 94 10 0 20 72 3 25 15 0 16 12 3 52 20 0 12 64 3 76 25 0 10 00 3 97 30 0 7 97 4 14 35 0 6 40 4 28 40 0 5 18 4 4...

Страница 143: ...4 CONTROL AND FUNCTIONS 2021 05 19 SR_CH04_SM001EG_02 ...

Страница 144: ...ol 04 27 6 1 Defrost operation in heating operation stopped 04 28 7 Various control 04 29 7 1 Auto restart 04 29 7 2 10 C HEAT operation 04 29 7 3 ECONOMY operation 04 29 7 4 Fresh air control 04 29 7 5 Compressor preheating 04 30 7 6 External electrical heater control 04 30 7 7 Electronic expansion valve control 04 30 7 8 Drain pump control 04 31 7 9 Prevention to restart for 3 minutes 3 minutes ...

Страница 145: ...8 8 Low outdoor temperature protection 04 38 8 9 High temperature and high pressure release control 04 38 CONTENTS continued ...

Страница 146: ......

Страница 147: ...r than a set temperature the compressor will be stopped When the room temperature is within the range of 6 0 C to 1 0 C of the setting temperature the compressor frequency is controlled within the range shown in the table below However the maxi mum frequency is limited in the range shown in the figure below based on the indoor fan mode and the outdoor temperature Compact cassette type Compressor f...

Страница 148: ...C zone 77 49 40 32 D zone 49 40 34 26 E zone 49 40 34 26 F zone 49 40 34 26 Models AOHG45KRTA and AOHG54KRTA Model name Outdoor temperature zone Indoor unit fan mode HIGH MED LOW QUIET AUXG18KVLA A zone 95 66 51 33 B zone 95 66 51 33 C zone 80 51 41 33 D zone 51 41 35 27 E zone 51 41 35 27 F zone 51 41 35 27 AUXG22KVLA AUXG24KVLA A zone 95 66 51 33 B zone 95 66 51 33 C zone 80 51 41 33 D zone 56 4...

Страница 149: ...t rps Model AOHG36KRTA Model name Outdoor temperature zone Indoor unit fan mode HIGH MED LOW QUIET ARXG18KLLAP A zone 98 64 49 32 B zone 98 64 49 32 C zone 77 49 40 32 D zone 49 40 34 26 E zone 49 40 34 26 F zone 49 40 34 26 Model AOHG54KRTA Model name Outdoor temperature zone Indoor unit fan mode HIGH MED LOW QUIET ARXG18KLLAP A zone 95 66 51 33 B zone 95 66 51 33 C zone 80 51 41 33 D zone 51 41 ...

Страница 150: ... C zone 19 C D zone E zone F zone 10 C 0 C 12 C 2 C Outdoor temperature drops Outdoor temperature rises Unit rps Models AOHG45KRTA and AOHG54KRTA Model name Outdoor temperature zone Indoor unit fan mode HIGH MED LOW QUIET ARXG22KMLA ARXG24KMLA A zone 95 66 51 33 B zone 95 66 51 33 C zone 80 51 41 33 D zone 56 41 35 27 E zone 56 41 35 27 F zone 56 41 35 27 1 1 Cooling operation 04 4 1 Compressor fr...

Страница 151: ...me Minimum frequency Maximum frequency AOHG36KRTA 15 rps 120 rps AOHG45KRTA 17 rps 120 rps AOHG54KRTA 17 rps 120 rps 1 3 Dry operation The compressor rotation frequency shall change according to the temperature set temperature and room temperature variation which the room temperature sensor of the indoor unit has detected as shown in the table below Zone is defined by set temperature and room temp...

Страница 152: ... Special operation Frequency rps I II III IV V VI VII VIII 25 42 53 61 65 75 85 92 Time sec 1 2 3 4 5 6 7 8 225 305 605 665 725 785 855 1 000 NOTES Normal operation Cooling and dry mode Below 3 hours from the compressor stop and the compressor thermistor 15 C After defrost operation Other than when the compressor starts for the first time since the breaker turns on Special operation Other than the...

Страница 153: ...600 660 Special operation Frequency rps I II III IV V VI VII VIII IX X 41 46 51 57 60 72 81 91 100 110 Time sec 1 2 3 4 5 6 7 8 9 10 120 185 245 305 605 665 725 785 845 1 000 NOTES Normal operation Cooling and dry mode Below 3 hours from the compressor stop and the compressor thermistor 15 C After defrost operation Other than when the compressor starts for the first time since the breaker turns on...

Страница 154: ...Limitation of compressor frequency AOHG36KRTA A zone 55 rps B zone 52 rps C zone 47 rps D zone 39 rps E zone 33 rps F zone 25 rps G zone 18 rps H zone 20 rps I zone 20 rps J zone 21 rps K zone 24 rps AOHG45KRTA AOHG54KRTA A zone 50 rps B zone 47 rps C zone 40 rps D zone 30 rps E zone 22 rps F zone 20 rps G zone 16 rps H zone 16 rps I zone 17 rps J zone 23 rps K zone 28 rps 1 5 Compressor frequency...

Страница 155: ...58 rps B zone 52 rps C zone 43 rps D zone 38 rps E zone 28 rps F zone 23 rps G zone 20 rps H zone 17 rps I zone 17 rps AOHG45KRTA AOHG54KRTA A zone 46 rps B zone 42 rps C zone 35 rps D zone 32 rps E zone 23 rps F zone 20 rps G zone 17 rps H zone 13 rps I zone 16 rps 1 5 Compressor frequency limitation by outdoor temperature 04 9 1 Compressor frequency control CONTROL AND FUNCTIONS CONTROL AND FUNC...

Страница 156: ...le zone indoor unit operation mode is selected as below Same operation mode is selected as outdoor unit If outdoor unit is operating in cooling and heating mode indoor unit will be operated by the same operation mode Selected by outdoor temperature If outdoor unit is operating in other than cooling and heating mode indoor unit will be op erated according to the outdoor temperature as below Outdoor...

Страница 157: ...tion Middle zone Operation mode of outdoor unit Cooling Outdoor temp 25 C Operation mode before the monitor mode is cooling mode Monitor mode Room temp Ts 2 C No Yes No Yes No Yes No Yes No No Operation mode of outdoor unit Heating Yes Yes No System stops or operation command other than auto changeover operation Yes No Yes No Thermostat remains in off state for 6 minutes or longer Yes No 04 11 2 A...

Страница 158: ...0 1 Fan mode only 2 Cooling mode only Fan operation Airflow can be switched in 5 steps such as AUTO QUIET LOW MED HIGH while indoor unit fan only runs When fan mode is set at AUTO it operates on MED fan speed Cooling operation Switch the airflow AUTO and indoor fan motor will run according to room temperature as below On the other hand if switched in HIGH QUIET indoor motor will run at a constant ...

Страница 159: ...revention control heating mode The maximum value of the indoor fan speed is set as shown below based on the detected tempera ture by the indoor heat exchanger sensor on heating mode Normal operation 42 C Indoor heat exchanger temperature rises Setting fan mode Cool air prevention S LOW Indoor heat exchanger temperature drops 39 C 37 C 30 C 37 C 34 C 32 C 24 C MED or setting fan mode LOW or setting...

Страница 160: ... 24 C POWERFUL LOW or setting fan mode LOW or setting fan mode LOW or setting fan mode 10 C HEAT operation Indoor heat exchanger temperature rises Indoor heat exchanger temperature drops 39 C 34 C AUTO LOW Moisture return prevention control cooling and dry mode Switch the airflow AUTO at cooling mode and the indoor fan motor will run as shown below Compressor On Off Indoor fan setting airflow S LO...

Страница 161: ...indoor unit fan only runs When fan mode is set at AUTO it operates on MED fan speed Cooling operation Switch the airflow AUTO and indoor fan motor will run according to room temperature as below On the other hand if switched in HIGH QUIET indoor motor will run at a constant airflow of COOL operation modes QUIET LOW MED HIGH as shown in Fan speed above Airflow change over Cooling Auto When room tem...

Страница 162: ...value of the indoor fan speed is set as shown below based on the detected tempera ture by the indoor heat exchanger sensor on heating mode Normal operation Indoor heat exchanger temperature rises S LOW Indoor heat exchanger temperature drops 37 C 29 C 32 C 24 C Setting fan mode LOW or setting fan mode Lower speed is selected 13 minutes later Indoor heat exchanger temperature rises Indoor heat exch...

Страница 163: ...airflow AUTO at cooling mode and the indoor fan motor will run as shown below Compressor On Off Indoor fan setting airflow S LOW Off 10 30 60 180 60 180 60 10 30 sec Indoor fan speed 3 1 Indoor fan control 04 17 3 Fan control CONTROL AND FUNCTIONS CONTROL AND FUNCTIONS ...

Страница 164: ... 690 7 570 620 6 570 590 5 570 480 4 540 410 3 480 340 2 400 270 1 270 200 S HIGH 830 When the compressor frequency increases the outdoor fan speed also changes to the higher speed When the compressor frequency decreases the outdoor fan speed also changes to the lower speed NOTE After defrost control on the heating mode the fan speed is kept higher regardless of the compressor frequency Fan speed ...

Страница 165: ...90 1 200 200 S HIGH 990 When the compressor frequency increases the outdoor fan speed also changes to the higher speed When the compressor frequency decreases the outdoor fan speed also changes to the lower speed NOTE After defrost control on the heating mode the fan speed is kept higher regardless of the compressor frequency Fan speed after defrost control 990 rpm 3 2 Outdoor fan control 04 19 3 ...

Страница 166: ... only available by 2 wire remote controller NOTE When the 2 wire remote controller is disconnected clear the individual setting Otherwise this setting can t change 4 2 All louver control For Compact cassette type All louver operation When the mode is selected the standard louver position of the each mode is set Operation mode Standard Position Cooling 1 Dry 1 Heating 4 Monitor 1 NOTES Setting of t...

Страница 167: ...flow direction louver starts to swing Swinging range Cooling mode dry mode fan mode 1 4 Heating mode 1 4 When the indoor fan is S LOW or stop mode the swing operation is interrupted and it stops at either upper end or bottom end 4 3 Swing operation For Compact cassette type 04 21 4 Louver control CONTROL AND FUNCTIONS CONTROL AND FUNCTIONS ...

Страница 168: ...mer The program timer allows the off timer and the on timer to be used in combination one time Operation mode Stop mode Stop mode Stop mode Operation mode Operation mode Set time Set time Set time Set time Operation will start from the timer setting either off timer and on timer whichever is closest to the clock current timer setting The order of operations is indicated by the allow in the remote ...

Страница 169: ...r After that the setting temperature is not changed and the operation is stopped at the setting time Set temperature rises Ts Set temperature Stop of operation Ts 2 C Set 60 min 1 C In the heating operation mode When the sleep timer is set the setting temperature is decreased 1 C It decreases the setting temperature another 1 C every 30 minutes Upon lowering 4 C the setting temperature is not chan...

Страница 170: ...imer The program timer allows the off timer and the on timer to be used in combination one time Operation mode Stop mode Stop mode Stop mode Operation mode Operation mode Set time Set time Set time Set time Operation will start from the timer setting either off timer and on timer whichever is closest to the clock current timer setting The order of operations is indicated by the allow in the remote...

Страница 171: ...Stop of operation Ts 2 C Set 60 min 1 C In the heating operation mode When the sleep timer is set the setting temperature is decreased 1 C It decreases the setting temperature another 1 C every 30 minutes Upon lowering 4 C the setting temperature is not changed and the operation is stopped at the setting time Set Ts 2 C 1 C 3 C 4 C Ts Set temperature 30 min 30 min 30 min Stop of operation Set temp...

Страница 172: ...ner will operate at a minimum of 18 C even if the SET BACK temperature is set to 17 C or lower Case of SET BACK timer on the Cooling operation Setting temperature 22 C SET BACK temperature 26 C SET BACK setting Operation temperature Operation temperature 26 C 22 C 26 C 22 C 24 C 1 ON OFF OFF ON 1 During the SET BACK function the setting temperature is changed Chenge the setting temperature 22 C 24...

Страница 173: ...0 5 deg Tn 10 C Tn Tnb 2 deg Tn 10 C Tn 25 C Ta 20 C Tn Ta 7 C or Tn 25 C Ta 20 C Integrating defrost Constant monitoring Compressor integrating operation time More than 240 min For long continuous operation More than 215 min For long continuous operation Less than 10 min For intermittent operation Condition Tn 3 C Tn 5 C Count of the compressor off 40 times If the compressor continuous operation ...

Страница 174: ...nditions are satisfied in heating operation Compressor operation integrating time 30 minutes or more Compressor continuous operation time 10 minutes or more Outdoor unit heat exchanger temperature 4 C or less Release condition The defrost operation is released when either one of the conditions below is satisfied Outdoor unit heat exchanger temperature after 1 minute or later since compressor start...

Страница 175: ...peration 7 2 10 C HEAT operation 10 C HEAT operation performs as below setting when pressing 10 C HEAT button Operation mode Heating Setting temperature 10 C Fan mode AUTO LED display Economy Defrost operation Operate as normal 7 3 ECONOMY operation The ECONOMY operation starts by pressing ECONOMY button on the remote controller The ECONOMY operation is almost the same operation as below settings ...

Страница 176: ...r Off Ts 10 C Ts 1 C Ts 3 C Ts 12 C NOTES When the compressor stop external electric heater is off It operates only in heating mode and when the indoor fan operates However S LOW is exclud ed 7 7 Electronic expansion valve control The most proper opening of the electronic expansion valve is calculated and controlled under the present operating condition based on the table below Operation mode Puls...

Страница 177: ... hour after the compressor stops When the float switch is on the compressor indoor and outdoor fan motor operation are stopped The sub unit sends the signal to the main unit simultaneously When the float switch is turned off the sub unit sends the signal to the main unit Drain pump operates continuously for 3 minutes after the float switch is turned off and then drain pump is turned off When the f...

Страница 178: ...s Retry number 30 Retry set number 3 When the compressor fails to start in the retry set number above the compressor is stopped 7 10 4 way valve control If heating mode is selected at the compressor start 4 way valve is energized for heating When the air conditioner is switched between cooling and heating mode compressor is stopped and the 4 way valve is switched when the 3 minutes passes and the ...

Страница 179: ...utdoor unit operates by lowest current of them Capacity priority mode Operation condition The function setting is set to 1 Capacity check condition Shortage Compressor frequency limited compressor frequency for low noise mode Enough Compressor frequency limited compressor frequency for low noise mode Operation When detecting the shortage capacity or enough capacity condition continuous 30 minutes ...

Страница 180: ... 104 C Compressor frequency 14 rps 120 seconds Release condition 101 C Compressor protection temperature 110 C 8 2 Anti freezing control cooling and dry mode The compressor frequency is decrease in cooling and dry mode when the indoor unit heat exchang er temperature sensor detects the temperature lower than the trigger condition When the indoor unit heat exchanger temperature reaches release cond...

Страница 181: ... 50 C 6 0 A 5 5 A 2 C Ta 42 C 7 5 A 7 0 A Ta 2 C 8 5 A 8 0 A Heating 20 C Ta 5 5 A 5 0 A 16 C Ta 20 C 6 0 A 5 5 A 12 C Ta 16 C 7 0 A 6 5 A 2 C Ta 12 C 7 5 A 7 0 A Ta 2 C 8 5 A 8 0 A Models AOHG45KRTA and AOHG54KRTA Operation mode Outdoor temp Ta Trigger condition Release condition Cooling 52 C Ta 4 5 A 4 0 A 50 C Ta 52 C 5 5 A 5 0 A 46 C Ta 50 C 6 5 A 6 0 A 42 C Ta 46 C 7 5 A 7 0 A 2 C Ta 42 C 8 5...

Страница 182: ...essor continues frequency 8rps every 1 minute until the detected value becomes more than 0 68MPaG When the detected value becomes more than 0 78MPaG this protection is released After the compressor start up and 1 minute has passed The detected value of pressure sensor is 0 02MPaG or less continues for 5 minutes the com pressor is stopped 0 78MPaG 0 68MPaG 0 02MPaG Release of protection Hold Compre...

Страница 183: ... the 90 seconds from the fan operation detect less than 200 rpm for 10 seconds IPM trip protection works Current overload protection works When detecting the above condtion recheck the condition after 6 minutes When count the twice the protection works Protection contents Reduce the static pressure 20 Pa When it does not dissolve even the minimum static pressure condition work the following operat...

Страница 184: ...igh temperature and high pressure release control The compressor is controlled as follows Models AOHG36KRTA AOHG45KRTA and AOHG54KRTA Heating mode Indoor unit heat exchanger pressure rises Indoor unit heat exchanger pressure drops Stable zone AB BC CD DE Zone A Zone B Zone C Zone D Zone E AB 4 1 MPaG BC 3 5 MPaG CD 3 3 MPaG DE 3 0 MPaG Zone Operation Zone A Compressor is stopped Zone B The compres...

Страница 185: ...5 FILED WORKING 2021 06 15 SR_CH05_SM001EG_03 ...

Страница 186: ...4 Duct type setting by DIP switch 05 9 1 5 Indoor unit setting by wireless remote controller 05 11 1 6 Indoor unit setting by wired remote controller 05 17 1 7 Indoor unit setting by simple remote controller 05 23 1 8 Function details 05 27 1 9 Wired remote controller UTY RNNYM 05 33 1 10 Wired remote controller UTY RVNYM 05 35 1 11 Simple remote controller UTY RSNYM 05 36 ...

Страница 187: ...witch buttons LED lamp Function or operation method 1 POWER MODE Green Lights on while power on Local setting in outdoor unit or error code is displayed with blink 2 ERROR Red Blinks during error operation 3 PUMP DOWN L1 Orange Lights on during pump down operation 4 LOW NOISE MODE L2 and L3 Orange Lights on during Low noise mode when local setting is activated Lighting pattern of L2 and L3 indicat...

Страница 188: ...el 3 Level 4 Sign Lights off Lights on No Setting item Content 1 Low noise mode setting By using the Low noise mode the limit of the noise level will be set to decrease the noise level The mode comes in 2 levels which can be set accordingly To turn on the mode use the external input terminal P580 By using this mode the cooling heating performance may decrease Depending on the operating condition t...

Страница 189: ...ss the SELECT switch button S133 and adjust the LED lamps as shown below PEAK CUT MODE 1 Low MODE 2 Lower Blink Blink L4 L5 L6 6 Press the ENTER switch button S132 and fix it PEAK CUT MODE 1 Low MODE 2 Lower L4 L5 L6 7 To return to Operating status display Normal operation press the EXIT switch button S131 In case of missing how many times you pressed the SELECT and ENTER switch buttons 1 To retur...

Страница 190: ...T switch button S133 and adjust the LED lamps as shown below 0 of rated input ratio 50 of rated input ratio 75 of rated input ratio 100 of rated input ratio Blink Blink Blink Blink Blink PEAK CUT L4 L5 L6 6 Press the ENTER switch button S132 and fix it 0 of rated input ratio 50 of rated input ratio 75 of rated input ratio 100 of rated input ratio PEAK CUT L4 L5 L6 7 To return to Operating status d...

Страница 191: ...n change the function settings Component location Components on the indoor unit main PCB used for the function settings are located as shown in the following figure SW100 1 2 3 4 SW101 1 2 3 1 2 Compact cassette type setting by DIP switch 05 5 1 Function settings FIELD WORKING FIELD WORKING ...

Страница 192: ... ON OFF 07 ON ON ON OFF 08 OFF OFF OFF ON 09 ON OFF OFF ON 10 OFF ON OFF ON 11 ON ON OFF ON 12 OFF OFF ON ON 13 ON OFF ON ON 14 OFF ON ON ON 15 ON ON ON ON NOTES When connecting Polar 3 core wired remote controller set the remote controller address in the order of 0 1 2 and 15 When different type of indoor units such as wall mounted type and cassette type cas sette type and duct type or other comb...

Страница 193: ...t DIP switch SW100 1 Remote controller address setting 2 3 4 SW101 1 Drainage function setting 2 Auto louver grille setting 3 Fan delay setting Component location Components on the indoor unit main PCB used for the function settings are located as shown in the following figure SW100 1 2 3 4 SW101 1 2 3 1 3 Slim duct type setting by DIP switch 05 7 1 Function settings FIELD WORKING FIELD WORKING ...

Страница 194: ...2 OFF OFF ON ON 13 ON OFF ON ON 14 OFF ON ON ON 15 ON ON ON ON 00 01 02 Remote controller address Indoor unit Remote controller SW101 Switch 1 Drainage function setting Switch 1 Drainage function Factory setting ON Disabled OFF Enabled SW101 Switch 2 Auto louver grille setting When Auto louver grille kit optional parts is attached set to Enabled Switch 2 Auto louver grille setting Factory setting ...

Страница 195: ...nt DIP switch SW100 1 Remote controller address setting 2 3 4 SW101 1 Setting change prohibited 2 Setting change prohibited 3 Fan delay setting Component location Components on the indoor unit main PCB used for the function settings are located as shown in the following figure SW100 1 2 3 4 SW101 1 2 3 1 4 Duct type setting by DIP switch 05 9 1 Function settings FIELD WORKING FIELD WORKING ...

Страница 196: ...ON OFF 06 OFF ON ON OFF 07 ON ON ON OFF 08 OFF OFF OFF ON 09 ON OFF OFF ON 10 OFF ON OFF ON 11 ON ON OFF ON 12 OFF OFF ON ON 13 ON OFF ON ON 14 OFF ON ON ON 15 ON ON ON ON 00 01 02 Remote controller address Indoor unit Remote controller SW101 Switch 1 Setting change prohibited SW101 Switch 2 Setting change prohibited SW101 Switch 3 Fan delay setting When the indoor unit is stopped while operating ...

Страница 197: ...roller The settings may be selected between the following two Function number or Setting number Settings will not be changed if invalid numbers or setting numbers are selected Preparation Before connecting the power supply of the indoor unit reconfirm following items Piping air tight test and vacuuming have been performed firmly There is no wiring mistake Then connect the power supply of the indoo...

Страница 198: ...e displayed number Increases and decreases Changes the displayed digits Fixes function setting Transmits function mode ECONOMY button TEMP button Start Stop button RESET button MODE button Function setting procedure 1 Connect the power supply of the outdoor unit 2 To enter the function setting mode while holding down the ECONOMY and SET TEMP buttons press the RESET button ECONOMY SET TEMP RESET Fu...

Страница 199: ...ONOMY button To return to the function number selection press the ECONOMY button again 5 Select the function number by pressing the or the button Each time the 10 C HEAT but ton is pressed it switches between the right digit and the left digit Change digit 6 Press the MODE button once to transmit the function mode information 1 5 Indoor unit setting by wireless remote controller 05 13 1 Function s...

Страница 200: ...If wrong code is set no beep sound will be emitted 1 short beep NOTE Press button within 30 seconds after pressing MODE button For the function details refer to Chapter 1 8 Function details on page 05 27 8 Exit the function setting mode by pressing the RESET button RESET 1 5 Indoor unit setting by wireless remote controller 05 14 1 Function settings FIELD WORKING FIELD WORKING ...

Страница 201: ...er of in door unit is turned off However setting function is effective after disconnecting the power supply and then recon necting it Record the latest configuration of the indoor unit function setting on a label and put the label on the unit so it can be used for after sales service operations Once the RESET button is pressed on the remote controller the operation mode will be set to the AUTO MOD...

Страница 202: ...EMP or the button to change the custom code between 4 Press the MODE button again to return to the clock display The custom code will be changed If no buttons are pressed within 30 seconds after the custom code is displayed the system returns to the original clock display In this case start again from step 1 The air conditioner custom code is set to A prior to shipment If you do not know the air c...

Страница 203: ...may be selected between the following two Function number or Setting number Settings will not be changed if invalid numbers or setting numbers are selected This function cannot be used on the secondary units Preparation Before connecting the power supply of the indoor unit reconfirm following items Piping air tight test and vacuuming have been performed firmly There is no wiring mistake Then conne...

Страница 204: ...s function setting Function setting procedure 1 Connect the power supply of the outdoor unit 2 Switch to the function setting mode To enter the function setting mode hold down the 3 buttons of SET TEMP SET TEMP and FAN at the same time for 5 seconds or longer 3 Select the function number by pressing the SET TIME or the SET TIME button 4 Select the setting number by pressing the SET TEMP or the SET...

Страница 205: ...ode again ac cording to the procedure in step 2 Setting up each indoor unit Repeat the procedures from step 1 to 6 and set up the indoor units requiring function setting Resetting the power after setting up function of all indoor units NOTES If the reset is not performed function cannot be read correctly After all the functions have been set the circuit breaker needs to be switched off for at leas...

Страница 206: ...and Screen switch button Right simultaneously for 5 seconds to switch to Service screen Back Setting Service Mo 10 00AM Function setting Error history I U address verification Version Test run Back Setting Date and time Submenu 1 2 Monitor Screen Filter sign R C sensor control Room temp display Off Off Mo 10 00AM Select Function setting with pressing the Cursor button Up Down and press the Enter b...

Страница 207: ... Setting address No No Version Error history 00 30 01 5 Pressing the Enter button confirm the setting The data will be transferred to the indoor unit Cancel OK Function setting Mo 10 00AM R C Function Setting address No No Version Error history 00 30 01 Cancel OK Function setting Mo 10 00AM R C Function Setting address No No Version Error history 00 30 Cancel OK Function setting Mo 10 00AM R C Fun...

Страница 208: ...ures from step 1 to 6 and set up the indoor units requiring function setting Resetting the power after setting up function of all indoor units NOTES If the reset is not performed function cannot be read correctly After all the functions have been set the circuit breaker needs to be switched off for at least 2 minutes After the 2 minutes has passed power can be restored The set function is stored i...

Страница 209: ...may be selected between the following two Function number or Setting number Settings will not be changed if invalid numbers or setting numbers are selected This function cannot be used on the secondary units Preparation Before connecting the power supply of the indoor unit reconfirm following items Piping air tight test and vacuuming have been performed firmly There is no wiring mistake Then conne...

Страница 210: ... setting SET TEMP p and q button Switches the various numbers Function setting procedure 1 Connect the power supply of the outdoor unit 2 Switch to the function setting mode To enter the function setting mode hold down the 3 buttons of SET TEMP SET TEMP and FAN at the same time for 5 seconds or longer Function setting mode initial display 3 Press the FAN button The Function number indicator flashe...

Страница 211: ...tails on page 05 27 6 Exit the function setting mode by pressing the 3 buttons of SET TEMP SET TEMP and FAN at the same time for 5 seconds or longer After exiting the function setting mode the display returns to the normal mode Normal mode display If no button is pressed within 60 seconds after buttons mentioned above are pressed it will au tomatically exit the function setting mode If you exit th...

Страница 212: ...estored The set function is stored in the PCB and will remain in memory even when the power of in door unit is turned off However setting function is effective after disconnecting the power supply and then recon necting it Record the latest configuration of the indoor unit function setting on a label and put the label on the unit so it can be used for after sales service operations 1 7 Indoor unit...

Страница 213: ...oom temperature control for indoor unit sensor 8 35 36 Room temperature control for wired remote controller sensor 9 40 Auto restart 10 42 Room temperature sensor switching 11 44 Remote controller custom code 12 46 External input control 13 48 Room temperature sensor switching Aux 14 49 Indoor unit fan control for energy saving for cooling 15 60 Switching functions for external output terminal 1 R...

Страница 214: ...iption Factory setting 20 00 Standard 01 High ceiling For the specific height for each setting value refer to Installation space in Chapter 3 Dimensions in Chapter 1 GENERAL INFORMATION on page 01 8 In case of cassette type models The ceiling height values are for the 4 way outlet Do not change this setting in the 3 way outlet mode 4 Static pressure For Duct type only Select the appropriate static...

Страница 215: ...sor is corrected as follows Corrected temp Temp of the room temp sensor Correction temp value Example of correction When the temperature of the room temp sensor is 26 C and the setting value is 03 1 0 C corrected temp will be 27 C 26 C 1 0 C The temperature correction values show the difference from the Standard setting 00 manufactur er s recommended value Function number Setting value Setting des...

Страница 216: ... 3 5 C 17 4 0 C 9 Auto restart Enables or disables automatic restart after a power interruption Function number Setting value Setting description Factory setting 40 00 Enable 01 Disable NOTE Auto restart is an emergency function such as for power outage etc Do not attempt to use this function in normal operation Be sure to operate the unit by remote controller or exter nal device 10 Room temperatu...

Страница 217: ...alue Setting description Factory setting 48 00 Both 01 Wired remote controller 14 Indoor unit fan control for energy saving for cooling Enables or disables the power saving function by controlling the indoor unit fan rotation when the outdoor unit is stopped during cooling operation Function number Setting value Setting description Factory setting 49 00 Disable 01 Enable 02 Remote controller 00 Wh...

Страница 218: ...witching functions for external output terminal Functions of the external output terminal can be switched For details refer to External input and output Function number Setting value Setting description Factory setting 60 00 Operation status 01 08 Setting prohibited 09 Error status 10 Fresh air control 10 Indoor unit fan operation status 11 External heater 1 8 Function details 05 32 1 Function set...

Страница 219: ...ing Set the remote controller SW2 according to the following table Number of remote controller Primary unit Secondary unit Factory setting SW2 SW2 1 Normal OFF 2 Dual OFF ON 1 2 3 1 2 3 1 2 3 Indoor unit Remote controller cable Primary unit Secondary unit Remote controller SW4 Switching temperature unit F C Displayed temperature unit can be switched between Fahrenheit F and Celsius C SW4 Fahrenhei...

Страница 220: ...emory backup When batteries are not used all of settings stored in memory will be deleted if there is a power failure SW6 Memory backup Factory setting OFF Disable ON Enable 1 9 Wired remote controller UTY RNNYM 05 34 1 Function settings FIELD WORKING FIELD WORKING ...

Страница 221: ...e deleted if there is a power failure SW1 Memory backup Factory setting OFF Disable ON Enable SW2 Dual remote controller setting Set the remote controller SW2 according to the following table Number of remote controller Primary unit Secondary unit Factory setting SW2 SW2 1 Normal OFF 2 Dual OFF ON 1 2 3 1 2 3 1 2 3 Indoor unit Remote controller cable Primary unit Secondary unit Remote controller 1...

Страница 222: ...rding to the following table Number of remote controller Primary unit Secondary unit Factory setting SW2 SW2 1 Normal OFF 2 Dual OFF ON 1 2 3 1 2 3 1 2 3 Indoor unit Remote controller cable Primary unit Secondary unit Remote controller SW3 Switching temperature unit F C Displayed temperature unit can be switched between Fahrenheit F and Celsius C SW3 Fahrenheit F Celsius C Factory setting OFF C ON...

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