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General AOHG45LETL Service Manual Download Page 26

44 Terminal 3P

INDOOR UNIT

45 Terminal 3P

46 Thermistor Holder A

47 Thermistor Holder B

41 PCB Holder

42 Power Supply PCB

48 Room Thermistor

49 Pipe Thermistor

2013.02.21

9306489045

9703345012

9378206014

9378330016

9378205017

9707398366

43 Main PCB (54)

9709245484

43 Main PCB (45)

9709245477

9900445010

9900470012

50 Remote Control

9318593013

Ref. Description

Part number

45

47

48

50

44

46

49

42

43

41

25

Summary of Contents for AOHG45LETL

Page 1: ...A AUHG54LRLA AOHG45LETL AOHG54LETL CONTENTS SPECIFICATIONS 1 DIMENSIONS 2 REFRIGERANT SYSTEM DIAGRAM 3 CIRCUIT DIAGRAM 4 ERROR DETECTION 5 INDOOR PCB CIRCUIT DIAGRAM 9 OUTDOOR PCB CIRCUIT DIAGRAM 15 PARTS INDOOR UNIT 22 PARTS DECORATION PANEL 19 PARTS OUTDOOR UNIT 26 ACCESSORIES 29 ...

Page 2: ...W 4 69 kW 3 22 kW kW 3 01 kW kW 3 71 kW kW 3 41 kW kW 4 5 L hr 5 0 L hr 6 200 m3 h 6 850 m3 h MAXIMUM CURRENT 20 5 A 21 5 A AIRCIRCULATION INDOOR 1 900 m3 h 2 000 m3 h 6 750 m3 h 6 750 m3 h 230 V 50 Hz single phase MFF 54TVM 690 r p m 720 r p m 610 r p m 630 r p m 550 r p m 570 r p m Quiet 470 r p m 480 r p m MFE 45VVT 800 r p m 800 r p m 850 r p m 850 r p m Upper fan Lower fan 750 r p m 830 r p m...

Page 3: ... 330 mm 900 mm 9 21 1290 mm 650 mm 400 mm 370 mm air flow 699 Hanging bolt position 890 Ceiling opening measurement 795 Hanging bolt position 950 Panel measurement Drain pipe 840 mm 699 mm DECORATION PANEL Liquid pipe Gas pipe 288 358 795 mm 338 60 130 170 133 190 ...

Page 4: ... Expansion Valve Muffler 3 way Valve 3 way Valve Accumulator High Pressure Switch Refrigerant Pipe 9 52mm 3 8 Refrigerant Pipe 15 88mm 5 8 Thermistor Discharge Thermistor Room Heat Exchanger Heat Exchanger Thermistor Pipe Thermistor Heat Exchanger Med Thermistor Heat Exchanger Out Thermistor Outdoor Cool Refrigerant direction Heat 3 OUTDOOR UNIT INDOOR UNIT ...

Page 5: ... 11 12 13 14 15 16 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1 2 1 2 1 2 3 1 2 3 1 2 3 4 5 1 2 3 4 5 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 1 2 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 1 2 3 4 5 1 2 3 4 5 9 8 7 6 5 4 3 2 1 9 8 7 6 5 4 3 2 1 5 4 3 2 1 5 4 3 2 1 ...

Page 6: ...1 8 2 4 1 4 7 4 6 4 5 4 4 4 3 4 2 4 8 3 1 3 6 3 5 3 4 3 3 3 2 15 1 15 6 15 5 15 4 15 3 15 2 2 1 2 5 2 4 2 3 2 2 CN3 B06B PASK 1 WHITE CN4 B08B PASK 1 WHITE 1 1 1 3 1 2 CN1 B03B PASK 1 WHITE CN104 B08B PASK 1 WHITE CN1 B03B PASK 1 WHITE 105 6 105 5 105 4 105 3 105 2 105 1 106 1 106 2 102 3 103 1 103 2 102 1 102 2 CN105 B5P6 VH B WHITE CN106 B2P3 VH B E BLUE CN103 B2B XH AM WHITE CN102 B3B XH AM WHI...

Page 7: ... 1 10W R28 10k 1 10W C16 0 01 F Q1 DTC124EKA C15 0 01 F C14 1000p R 5V C17 0 01 F C18 0 01 B R27 330 1 10W R34 1 0k 1 10W R33 10k 1 10W R31 10k 1 10W 13 5V 13 5V R25 1 0k 1 10W R26 10k 1 10W C35 C12 C11 1000p R x 3 C37 0 1 F R67 1 0k 1 10W 5V 13 5V R24 R23 R32 10k 1 10W x 3 R63 R65 1 0k 1 10W x 3 R66 10k 1 10W X1 8 00MHz FCR CN4 B08B PASK 1 POWER DRIVE CN3 B06B PASK 1 TEST CN2 B5P SHF 1AA CN1 B03B...

Page 8: ...101 REP 28 15mH 1 1A D101 D3SB60 4 3 1 2 340V R104 330k 2W C109 220p BN R105 75 RS 2W Q101 2SC5354 3 2 1 1 2 3 Q102 2SC1815 R107 100 1 10W R106 1 5 RS 2W 15V D106 D1FL20U A C112 330 25V C111 100 25V D104 D109 MTZJ5 1B x 2 R109 330 1 4W R108 100 1 2W D105 D1FL20U D103 D1FL20U C110 0 047 ECQV D107 RD16 B1 R110 10k 1 10W C115 0 01 KH C114 0 01 KH 13 5V D108 D2FL20U C113 1000 25V T101 ZFT22B03 C R111 ...

Page 9: ...SLR 325MC GREEN D201 SLR 325MC GREEN D202 SLR 325DC ORANGE PHA201 P I C 37143TH5 SW201 EVQPAG04K C202 10 25V C201 0 1 F 2 4 3 1 2 1 3 VCC OUT GND CN201 S07B PASK 2 1 2 3 4 5 6 7 TO MAIN PCB INDOOR UNIT INDICATOR PCB OPTION K06AG 1000HSE D0 2013 01 21 8 ...

Page 10: ...K FLASH MAIN CN5 B06B PASK 1 WHITE PTC THERMISTOR ZPR0YCE400A300 MAIN POWER PCB COM CN101 B06B XN I SK A 1 WHITE EMI FILTER ZCAT2132 1130 1T F100 AC250V 10A F101 AC250V 10A F103 AC250V 30A F104 AC250V 3 15A CN111 B06B XARK 1 A RED CN6 1747052 1 WHITE CN9 B4P VH B C BLACK CN101 1 1871843 2 RED CN91 1871843 4 WHITE CN61 B03B PASK 1 WHITE CN62 B04B PASK 1 WHITE CN63 B05B PASK 1 WHITE CN802 B6P VH B C...

Page 11: ... 10W R342 R345 10k 1 10W x 4 5V 2 R340 R341 10k 1 10W x 2 JM332 0R0 JM331 0R0 C332 0 01 B R332 1 0k 1 10W R337 10k 1 10W R338 10k 1 10W R331 1 0k 1 10W C331 0 01 B C330 0 01 B R330 1 0k 1 10W JM330 0R0 R336 10k 1 10W 5V I C10 5 uLN2003 R144 1 0k 1 10W C142 0 01 B Q142 2SC2412K BQ R143 1 0k 1 10W C141 0 1 B R142 4 7k 1 10W 5V R140 27k 1 10W R141 47k 1 10W C23 33 450V F202 3 15A 250V FH203 FH204 340...

Page 12: ...8AG601 L60 BL02Rn1 C91 0 1 B C93 1000p B R91 10k 1 10W R93 10k 1 10W D91 DAN217U C95 0 01 B R65 38 3k 1 10W 1 R64 10k 1 10W C63 0 1 B R61 13k 1 10W R60 10k 1 10W C61 0 1 B R67 13k 1 10W R66 10k 1 10W C64 0 1 B R63 4 75k 1 10W 1 R62 10k 1 10W C62 0 1 B R69 4 75k 1 10W 1 R68 10k 1 10W C65 0 1 B I C112 2 uLN2003 I C111 2 uLN2003 I C112 1 uLN2003 12V I C41 4 uLN2003 R78 R173 1 0k 1 10W x 2 R75 4 7k 1 ...

Page 13: ...0 1 BA2903F C70 10 25V C71 0 1 F I PM GND C72 330p B C73 220p B R76 R77 4 7k 1 10W 1 x 2 R80 5 1k 1 10W 1 R108 13k 1 10W 1 R81 22k 1 10W 1 R107 39 2k 1 10W 1 DCV R71 R70 R69 330k 1 3W 1 x 3 R66 R63 R60 R67 R64 R61 R68 R65 R62 330k 1 3W 1 x 9 U V W DCV POW_GND TM102 86028 TM101 86028 R304 820 1 10W C330 100p CH W16 B RED W17 B BLACK C323 0 1 F C305 47 35V C322 0 1 F C304 47 35V C321 0 1 F C303 47 3...

Page 14: ...8 W101 B WHITE W100 B BLACK W104 B BLACK W113 B WHITE W106 B GREEN W107 B BLACK W108 B WHITE EARTH 3 4 2 1 4 3 2 1 W103 B ORANGE P PR1 K100 3 5 4 1 3 3 4 1 2 L N L N 5V TM103 86028 D100 DAN217U R103 1 0k 1 10W 1 C111 220 16V R104 3 74k 1 10W 1 VR100 VG067TL1 0 2W B2K 12V 5V C113 0 1 B C112 0 1 B R106 22k 1 10W 3 2 1 3 2 1 6 5 4 3 2 1 P PR2 P PR1 W102 ORANGE W112 ORANGE W111 ORANGE CN101 B06B XN I ...

Page 15: ...DE SW5 SW4 SW3 SW2 SW1 PUMP DOWN EXIT ENTER SELECT MODE CN401 1 CN401 2 CN401 3 CN401 4 CN401 5 CN401 6 CN401 7 CN401 8 CN401 9 CN401 10 CN401 11 CN401 12 CN401 16 CN401 15 CN401 14 CN401 13 KSM8WBTS x 5 OUTDOOR UNIT INDICATOR PCB K10BC 1000YUE D0 2013 01 21 14 W7 B YELLOW W8 B BLUE W12 B WHITE W13 B VIOLET P N R200 220k 2W C200 C203 660 450V x 4 POWER_G OUTDOOR UNIT CAPACITOR PCB K05FB 1000HUE P0...

Page 16: ...ror 6 4 Active filter error PFC circuit error 6 5 Trip terminal L error 6 10 Display PCB microcomputers communication error 0 5s on 0 5s off 0 1s on 0 1s off Number of flashing This is possible only on a wired remote control If an error occurs the following display will be shown Er will appear in the set room temperature display 2012 09 26 15 3 1 Indoor unit Wired remote control Description OPERAT...

Page 17: ...sor error Outdoor temp sensor error Blink 2 times Blink 7 times Blink 4 times Heat sink temp sensor error Heat sink temp sensor error Blink 2 times Blink 7 times Blink 7 times Current sensor error Current sensor 1 error stoppage permanently Blink 2 times Blink 8 times Blink 4 times Pressure sensor error High pressure switch 1 error Blink 2 times Blink 8 times Blink 6 times Pressure sensor error Bl...

Page 18: ...ate during test operation continuous operation If a knocking sound can be heard in the liquid compression of the compressor stop the unit immediately and then energize the crank case heater for a sufficient length of time before restarting the operation Setting method OUTDOOR UNIT TEST RUN Turn on the power of the outdoor unit and enter standby mode 1 POWER ERROR PUMP DOWN LOW NOISE PEAK CUT MODE ...

Page 19: ...hown in the above figure and the fans and the compressor start operating If the PUMP DOWN button is pressed while the compressor is operating the compressor will stop then start again in about 3 minutes 4 LED display will change as shown below about 3 minutes after the compressor starts Fully close the 3 way valve on the liquid pipe side at this stage POWER ERROR PUMP DOWN LOW NOISE PEAK CUT MODE ...

Page 20: ...le Assy 4 Filter Guide 5 Hook Bracket 6 Grille Hook 2012 04 26 PARTS DECORATION PANEL UTG UGGA W 19 9378249011 Long Life Filter 3 9378252011 9378565012 9378253018 9378435018 9378250017 Ref Description Part number 3 2 1 4 6 5 6 5 4 ...

Page 21: ... 13 Corner Panel GENERAL 14 Panel Cover A 15 Panel Cover B 16 Drain Cover 2012 03 16 DECORATION PANEL UTG UGGA W 9378242012 9378243019 9378243033 9378261013 9378262010 9378359017 Ref Description Part number 11 15 16 12 12 13 14 14 14 12 20 ...

Page 22: ...30 Joint Shaft 23 Joint C 2012 03 16 DECORATION PANEL UTG UGGA W 9378254015 9375541019 27 Joint A 9378258013 9378356016 9378259010 9378256019 9378255012 9900467005 9378260016 9378357013 29 Gear B 9378257016 Ref Description Part number 24 25 22 23 21 30 29 27 22 27 26 30 22 31 28 23 22 21 21 ...

Page 23: ...ion Box Sub Assy 9 Turbo Fan Washer 1 Top Plate Assy 2012 03 16 9378594012 9378595019 9378570016 9378582026 9378394018 9378395015 Ref Description Part number 8 Turbo Fan Assy 6 Motor DC Brushless 7 Motor Rubber 9378228016 9602716005 9378223011 Ref Description Part number 6 4 1 2 3 5 9 7 8 22 ...

Page 24: ...INDOOR UNIT 11 12 13 Evaporator Total Assy Coupling Pipe Assy Wind Guide Board 9378580053 Ref Description Part number 9373038627 9378236011 11 12 13 2012 03 16 23 ...

Page 25: ...78207011 9378227019 9378548015 9379665001 9375502010 28 30 31 29 21 Sensor Holder 22 Float Switch 24 Drain Pump Holder B 25 Pump Rubber 26 Drain Hose 27 Drain Port 9378329010 9900465018 23 Pump Assy 9900464011 9375518011 9378426016 9378212015 9378213012 Ref Description Part number 23 22 21 27 26 25 24 24 ...

Page 26: ...er 42 Power Supply PCB 48 Room Thermistor 49 Pipe Thermistor 2013 02 21 9306489045 9703345012 9378206014 9378330016 9378205017 9707398366 43 Main PCB 54 9709245484 43 Main PCB 45 9709245477 9900445010 9900470012 50 Remote Control 9318593013 Ref Description Part number 45 47 48 50 44 46 49 42 43 41 25 ...

Page 27: ...r Front 9378861015 3 Sevice Panel Sub Assy 9374415090 2 Front Panel Sub Assy 9374414109 Ref Description Parts number 15 Drain Cap 313166024302 14 Drain Assy 9303029015 10 Ref Description Parts number 9 11 12 13 Propeller Fan Assy Motor DC Brushless Condenser A Sub Assy Condenser B Sub Assy Base Assy 9366378020 9602843039 9374420261 9374422081 9374166220 1 3 15 2 10 13 12 11 4 9 7 8 6 5 14 ...

Page 28: ... Main PCB AOHG54LETL Ref OUTDOOR UNIT Control box Parts number Description Transistor PCB 30 9380358008 Heat Sink Capacitor PCB Indicator PCB Terminal 28 27 25 ACTPM Choke Coil Thermistor Outdoor Thermistor Thermistor Assy CN63 Thermistor Assy CN62 9707592016 9900624019 9704265012 9900210069 9900599027 9900598013 21 22 23 24 25 26 29 30 27 28 ...

Page 29: ...lve Assy Compressor 9970096044 9370947243 9379014021 9379079006 9379077002 9810153005 Ref Description Parts number 41 39 38 37 40 42 43 Check Joint Assy Discharge Pipe Assy 4 way Valve Assy Solenoid Pressure Switch Union joint Assy Sensor 9372802038 9371581248 9374425235 9970055072 9900186012 9379068000 9900505080 37 41 42 40 39 36 43 38 34 33 32 31 35 ...

Page 30: ...r Coupler heat insulation Insulation Drain hose Hose band Drain hose heat insulation Cable tie Large Cable tie Small Wired remote control Remote control cord Tapping screw 4 x 16 Use For installing indoor unit For installing indoor unit For indoor side pipe joint For installing drain pipe For installing drain pipe For installing drain pipe For installing drain pipe For electrincal wiring For elect...

Page 31: ...xternal connect kit UTY XWZX 2012 09 26 30 Wired remote control is recommended using simultaneous twin or triple connection Parts name and model name Use Fresh air intake kit UTZ VXGA To take fresh air Wide panel UTG AGYA W Wide panel hides the gap between the ceiling hole and the Decoration panel Panel spacer UTG BGYA W Installation in a space of 256 mm or greater is possible by using panel space...

Page 32: ...1303G4215 ...

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