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Fujitsu AOUH09LPAS1, Service Manual

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Fujitsu AOUH09LPAS1 Service Manual Download Page 149

Heat pump prohibition control

Perform heating by external heater only. Indoor unit is continuous thermostat off.

Operation

Condition

Heater on

Heater is on as shown in following diagram of heating temperature.

Heater off

•

Heater is off as shown in following diagram of heating temperature.

•

Other than heating mode

•

Error occurred

•

Forced thermostat off

• Temperature of heater on (Thon): Adjustable by function number 62 (Operating temperature

switching of external heaters).

• All control temperatures will shift by adjusting “Thon”.

 Tr: Room temperature

 Ts: Set temperature

 Thon: Heater on temperature

Off

On

Tr-Ts

Tr-Ts (=Thon) ≤ -0.9°F (-0.5°C) 

  

Tr-Ts ≥ 0.9°F

(0.5°C)

•

Operation status

On

0.9°F (0.5°C)

-0.9°F (-0.5°C)

On

12 V

On

Off

Off

0 V

Off

Heating operation

Heater

Fan

Air conditioner

Room temperature

Set temp.

3 min or more

NOTE:

In following operations, compressor will be on.

• Other than heating
• Test run

2-4. Details of function

- (05-25) -

2. External input and output

FIELD

WORKING

FIELD

WORKING

Summary of Contents for AOUH09LPAS1

Page 1: ...AIR CONDITIONER Wall mounted type SERVICE MANUAL INDOOR ASUH09LPAS ASUH12LPAS OUTDOOR AOUH09LPAS1 AOUH12LPAS1 SR_AS050EF_03 2022 10 18 ...

Page 2: ...uct specifications and design are subject to change without notice for future improvement For further details please check with our authorized dealer Copyright 2020 2022 Fujitsu General Limited All rights reserved ...

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

Page 4: ......

Page 5: ...1 GENERAL INFORMATION 2022 10 18 SR_CH01_AS050EF_02 ...

Page 6: ...CONTENTS 1 GENERAL INFORMATION 1 Specifications 01 1 1 1 Indoor unit 01 1 1 2 Outdoor unit 01 3 2 Dimensions 01 4 2 1 Indoor unit 01 4 2 2 Outdoor unit 01 6 ...

Page 7: ... 97 6 Moisture removal pints h L h 2 7 1 3 3 8 1 8 Maximum operating current 3 Cooling A 6 4 6 9 Heating 7 9 Fan Airflow rate Cooling HIGH CFM m3 h 412 700 453 770 MED 330 560 353 600 LOW 253 430 265 450 QUIET 159 270 147 250 Heating HIGH 441 750 453 770 MED 359 610 377 640 LOW 277 470 306 520 QUIET 194 330 182 310 Type Qty Crossflow fan 1 Motor output W 49 Sound pressure level 4 Cooling HIGH dB A...

Page 8: ... than the specified values here 5 Available on Google Play store or on App Store Optional WLAN Adapter is also required For details refer to the setting manual M condition Model name ASUH09LPAS ASUH12LPAS Capacity Cooling Rated kW 2 64 3 52 Btu h 9 000 12 000 Min Max kW 0 97 3 16 1 00 3 72 Btu h 3 300 10 800 3 400 12 700 Heating Rated kW 2 93 4 10 Btu h 10 000 14 000 Min Max kW 0 77 3 66 0 91 4 98...

Page 9: ... 16 542 799 290 Gross 23 11 16 31 5 8 14 3 4 602 804 375 23 11 16 37 14 3 4 602 940 375 Weight Net lb kg 51 23 68 31 Gross 57 26 75 34 Connection pipe Size Liquid in mm Ø 1 4 Ø 6 35 Gas Ø 3 8 Ø 9 52 Method Flare Pre charge length ft m 49 15 Max length 66 20 Max height difference 49 15 Operation range Cooling F C 14 to 115 10 to 46 Heating 5 to 75 15 to 24 Drain hose Material PP Tip diameter in mm ...

Page 10: ...22 1 8 3 0 32 13 16 834 13 5 8 346 14 356 12 7 8 327 4 7 16 113 12 7 8 327 2 5 8 67 2 1 2 64 1 7 8 48 3 5 16 84 1 11 16 43 10 5 8 270 1 11 16 43 Outline of indoor unit for pipe inlet Ø 2 9 16 65 for pipe inlet Ø 2 9 16 65 2 7 16 62 2 1 Indoor unit 01 4 2 Dimensions GENERAL INFORMATION GENERAL INFORMATION ...

Page 11: ...in mm 2 50 or more 3 71 or more 2 40 or more 3 70 or more 5 107 or more 60 1 500 or more 71 1 800 or more 8 183 or more Wall hook bracket Outline of the indoor unit A A Install so that the flare connection part is outdoors 2 1 Indoor unit 01 5 2 Dimensions GENERAL INFORMATION GENERAL INFORMATION ...

Page 12: ...Side view Side view Front view Pitch of bolts for installation 3 4 19 26 1 8 663 2 11 16 68 21 5 16 541 13 16 20 1 2 13 1 5 16 33 1 3 16 30 11 7 16 290 Airflow Bottom view 1 7 16 37 13 1 16 331 Drain port Ø1 5 8 42 Side view Valve part 4 1 4 184 4 3 4 120 6 11 16 170 2 2 Outdoor unit 01 6 2 Dimensions GENERAL INFORMATION GENERAL INFORMATION ...

Page 13: ... 4 M10 hole 31 7 16 799 2 11 16 68 1 5 16 33 1 3 16 30 3 4 19 21 5 16 542 13 16 20 Side view Side view Front view 11 7 16 290 1 2 13 Unit in mm Side view Valve part 4 3 4 120 4 1 4 184 7 1 16 180 Bottom view Airflow Drain port Ø1 5 8 42 1 7 16 37 15 11 16 399 2 2 Outdoor unit 01 7 2 Dimensions GENERAL INFORMATION GENERAL INFORMATION ...

Page 14: ...2 2 Outdoor unit 01 8 2 Dimensions GENERAL INFORMATION GENERAL INFORMATION ...

Page 15: ...2 TECHNICAL DATA AND PARTS LIST 2021 04 15 SR_CH02_AS050EF_02 ...

Page 16: ...odel AOUH12LPAS1 02 10 4 Accessories 02 14 4 1 Indoor unit 02 14 4 2 Outdoor unit 02 14 5 Optional parts 02 15 5 1 Indoor unit 02 15 6 Refrigerant system diagrams 02 17 6 1 Models AOUH09LPAS1 and AOUH12LPAS1 02 17 7 Wiring diagrams 02 18 7 1 Indoor unit 02 18 7 2 Outdoor unit 02 19 8 PC board diagrams 02 20 8 1 Models ASUH09LPAS and ASUH12LPAS 02 20 8 2 Models AOUH09LPAS1 and AOUH12LPAS1 02 21 ...

Page 17: ...ommended by the manufacturer Work Work in confined spaces shall be avoided The area around the workspace shall be sectioned off Electric shock may occur After turning off the power always wait 5 minutes before touching electrical components Do not touch the fins of the heat exchanger Touching the heat exchanger fins could result in damage to the fins or personal injury such as skin rupture Do not ...

Page 18: ...ls ASUH09LPAS and ASUH12LPAS Exterior parts 18 1 4 a 5 6 8 9 10 13 16 2 17 15 12 3 14 19 20 21 7 11 9 22 23 2 1 Models ASUH09LPAS and ASUH12LPAS 02 2 2 Indoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 19: ...2 9387478044 Under cover R 13 9387596984 Front panel total assy 14 9333704005 Grille clamper R 15 9387756227 Intake grill total assy 16 9333719009 Grille clamper L 17 9387473001 Air filter 18 9387477047 Under cover L 19 9316177017 Drain cap 20 9316904002 Drain hose assy 21 9334098004 Remote controller holder 22 9334126004 Remote controller 23 9351596002 Remote controller total assy a Step motor ho...

Page 20: ...aporator and control 50 51 a b c 52 d 53 54 55 56 58 57 59 e f 60 61 63 62 g 65 64 2 1 Models ASUH09LPAS and ASUH12LPAS 02 4 2 Indoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 21: ...ssy 59 9317250009 Air clean filter assy 60 9332911008 Electric filter holder 61 9387593389 Evaporator total assy For 09 model 9387593396 Evaporator total assy For 12 model 62 9900627041 Thermistor assy 63 9387467000 Room thermistor holder 64 9333628004 Bearing D assy 65 9387055047 Crossflow fan assy a Box shield b Control box c PCB holder A d Control cover e Display case assy f Motor case g Motor ...

Page 22: ...s list 3 1 Model AOUH09LPAS1 Exterior parts and chassis 1 19 18 17 15 14 13 12 11 10 8 7 6 2 3 4 5 a 16 9 20 3 1 Model AOUH09LPAS1 02 6 3 Outdoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 23: ... 9322570055 Switch cover assy 10 9322144003 Drain pipe 11 9323501003 Base assy 12 9353003003 Emblem 13 9351027001 Blow grille 14 9322555359 Front panel assy 15 9322136008 Propeller fan 16 9603553005 Brushless motor 17 9322553089 Motor bracket assy 18 9323834033 Heat exchanger unit 19 9322811004 Protective net 20 9300089012 Thermistor spring a Inverter assy 3 1 Model AOUH09LPAS1 02 7 3 Outdoor unit...

Page 24: ... Compressor A A 50 51 52 53 54 55 56 57 58 59 60 61 3 1 Model AOUH09LPAS1 02 8 3 Outdoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 25: ...e coil 54 9322403018 Pulse motor valve 55 9322474025 2 way valve assy 56 9318254051 3 way valve assy 57 9322389008 S insurator H 58 9322388001 S insurator F 59 9324110006 S insurator B 60 9322386007 Cushion rubber 61 9313437008 Special nut 3 1 Model AOUH09LPAS1 02 9 3 Outdoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 26: ...el AOUH12LPAS1 Exterior parts and Chassis 1 2 3 5 15 17 a 13 18 19 20 12 16 9 6 7 8 4 11 10 14 3 2 Model AOUH12LPAS1 02 10 3 Outdoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 27: ...sy 9 9900583019 Reactor assy 10 9384912008 Heat sink 11 9322314024 Base assy 12 9322144003 Drain pipe 13 9317903011 Emblem 14 9384265005 Fan guard 15 9322555199 Front panel assy 16 9322136008 Propeller fan 17 9603553005 Brushless motor 18 9322553010 Motor bracket assy 19 9323834125 Heat exchanger unit 20 9300089012 Thermistor spring a Inverter assy 3 2 Model AOUH12LPAS1 02 11 3 Outdoor unit parts ...

Page 28: ... Compressor 50 51 52 53 54 55 a 56 b A A 60 59 58 57 61 62 3 2 Model AOUH12LPAS1 02 12 3 Outdoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 29: ...or valve assy 55 9322474001 2 way valve assy 56 9322475008 3 way valve assy 57 9324024006 S insulator B 58 9322536020 S insulator F 59 9322537003 S insulator H 60 9323045002 S insulator V 61 9322386007 Cushion rubber 62 9313437008 Special nut a Valve bracket b Muffler 3 2 Model AOUH12LPAS1 02 13 3 Outdoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 30: ...emote controller 1 Battery 2 Remote controller holder 1 Wall hook bracket 1 Cloth tape 1 Ion deodorization filter 1 Filter holder 2 Apple catechin filter 1 4 2 Outdoor unit Models AOUH09LPAS1 and AOUH12LPAS1 Part name Exterior Q ty Part name Exterior Q ty Installation manual 1 Cable tie 2 Drain pipe 1 4 1 Indoor unit 02 14 4 Accessories TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 31: ... Room Temp Cool Heat Wireless RC Simple Remote Controller UTY RSRY Compact remote controller concentrates on the basic functions such as Start Stop fan control temperature setting and operation mode Wire type Non polar 2 wire Optional Communication Kit is necessary for installation Simple Remote Controller UTY RHRY Compact remote controller concentrates on the basic functions such as Start Stop fa...

Page 32: ...less LAN adapter UTY TFSXF1 Remotely manage an air conditioning system using mobile devices such as smartphones and tablets Appropriate application for each region is required to use this option For details contact FGL sales company Modbus Converter UTY VMSX For connection between indoor unit with UART interface and a Modbus open network Thermostat Converter UTY TTRX This converter can control Fuj...

Page 33: ...DOOR Compressor Cooling Heating ThD ThR ThPI ThO ThHO Thermistor Discharge temperature Thermistor Outdoor temperature Thermistor Heat exchanger out temperature ThD ThO ThHO Thermistor Room temperature ThR Thermistor Pipe temperature ThPI Muffler 6 1 Models AOUH09LPAS1 and AOUH12LPAS1 02 17 6 Refrigerant system diagrams TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 34: ...7 Wiring diagrams 7 1 Indoor unit Models ASUH09LPAS and ASUH12LPAS 7 1 Indoor unit 02 18 7 Wiring diagrams TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 35: ...7 2 Outdoor unit Models AOUH09LPAS1 and AOUH12LPAS1 7 2 Outdoor unit 02 19 7 Wiring diagrams TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 36: ...H UL1430 AWG26 GRAY UL1430 AWG26 GRAY UL1430 AWG26 GRAY UL1430 AWG26 GRAY CN65 B04B PASK 1 WHITE 4 3 2 1 DC12V 3 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 1 2 3 1 2 1 2 1 2 1 2 3 4 CN308 B04B PASK 1 WHITE CN309 B12B PASK 1 WHITE CN314 B3B XH AM WHITE CN313 B3B XH AM WHITE CN312 B2B XH AM WHITE CN311 B2B XH AM WHITE CN310 B2B XH AM WHITE COMMUNICATION PCB K14YM 1500HSE CA0 EX OUT1 EX OUT2 EX OUT3 EX IN1 EX ...

Page 37: ...inding Resistance 1 975 77 P60 B2P3 VH B WHITE AC BLACK BLACK 4 WAY VALVE COIL DC Resistance 2 085 68 1 3 4 5 6 Pin No Terminal code Vm GND Vcc Vsp FG Function of terminal Revolution pulse output Speed control voltage input Control power voltage input GND Motor power voltage input Lead wire color Red Black White Yellow Brown 2 7 P650 DC Fan Motor MAIN PCB 09 model H09LPTA U A01 00 SV 12 model H12L...

Page 38: ...8 2 Models AOUH09LPAS1 and AOUH12LPAS1 02 22 8 PC board diagrams TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 39: ...3 TROUBLESHOOTING 2021 07 XX SR_CH03_AS050EF_01 ...

Page 40: ...PFC circuit error Outdoor unit 03 15 2 12 E 65 IPM error Outdoor unit 03 16 2 13 E 71 Discharge thermistor error Outdoor unit 03 18 2 14 E 73 Outdoor unit heat exchanger thermistor error Outdoor unit 03 19 2 15 E 74 Outdoor temperature thermistor error Outdoor unit 03 20 2 16 E 84 Current sensor error Outdoor unit 03 21 2 17 E 94 Trip detection Outdoor unit 03 22 2 18 E 95 Compressor motor control...

Page 41: ...5 2 Outdoor unit 03 43 CONTENTS continued ...

Page 42: ......

Page 43: ...orized 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 o...

Page 44: ...unit heat exchanger sensor error Indoor unit 4 times 2 times Continuous 42 E 51 Indoor unit fan motor error Indoor unit 5 times 1 times Continuous 51 E 62 Outdoor unit main PCB error Outdoor unit 6 times 2 times Continuous 62 E 64 PFC circuit error Outdoor unit 6 times 4 times Continuous 64 E 65 IPM error Outdoor unit 6 times 5 times Continuous 65 E 71 Discharge thermistor error Outdoor unit 7 tim...

Page 45: ...utdoor unit fan motor failure Check point 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 ...

Page 46: ... 36 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 S...

Page 47: ...otor failure Check point 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 manu...

Page 48: ...tor in Service parts informa tion on page 03 36 If indoor unit fan motor is abnormal replace indoor unit fan motor and 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 ...

Page 49: ...erminal After turning off the power check correct the followings Check the connection of terminal between remote controller and indoor unit and check if there is a disconnection of the cable Check point 2 Check connection If it is DC 13 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 Ch...

Page 50: ...ck the connection Check any loose or removed connection between the main PCB to the WAN adapter 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 WLAN adapter and the main PCB If there is loose con nector open cable or mis wiring Check point 2 Replace the WLAN adapter If check point 1 do not improve...

Page 51: ...g Check any shortage or corrosion on PCB Check 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 Re...

Page 52: ...Forecast of cause MANUAL AUTO button failure 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...

Page 53: ...when reinstalling due to removed connector 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 42 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...

Page 54: ...Reset power when reinstalling due 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 42 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 ...

Page 55: ...ate 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 temperature coming down restart operation Check point 3 Check indoor unit fan motor Check Indoor ...

Page 56: ...ary open voltage drop Main PCB failure Check 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 nea...

Page 57: ...k if there is a large load electric apparatus 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 ...

Page 58: ...pressor failure Main PCB failure Check point 1 Check connections of outdoor unit electrical components Check if the terminal connection is loose Check if connector is removed Check erroneous connection Check if cable is open Upon correcting the removed connector or mis wiring reset the power Check point 2 Check outdoor fan and heat exchanger Is there anything obstructing the air distribution circu...

Page 59: ...to inverter compressor in Service parts information Check point 5 Replace main PCB If Check point 1 to 4 do not improve the symptom change main PCB End 2 12 E 65 IPM error Outdoor unit 03 17 2 Troubleshooting with error code TROUBLESHOOTING TROUBLESHOOTING ...

Page 60: ...or cable is open Reset power when reinstalling 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 42 If thermistor is either open or shorted replace it and reset the power Check point 3 Check voltage of main PCB Make sure circuit ...

Page 61: ...mistor cable is open Reset power when reinstalling due to removed connector or incorrect wiring Check point 2 Remove connector and check thermistor resistance value For the outdoor unit heat exchanger thermistor resistance value refer to Ther mistor resistance values on page 03 42 If thermistor is either open or shorted replace it and reset the power Check point 3 Check voltage of main PCB Make su...

Page 62: ...le is open Reset power when reinstalling 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 42 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...

Page 63: ...ponents Upon correcting the removed connector 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 th...

Page 64: ...er on heat exchanger excessive rise of ambient temperature Main PCB failure Inverter compressor failure lock winding short 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 p...

Page 65: ...onents Main PCB failure Compressor failure Check point 1 Check Noise from Compressor Turn on Power and check operation noise If 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 inf...

Page 66: ...ped 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 outdoor unit fan motor Check outdoor unit fan motor Refer to outdoor unit fan motor in Service parts inf...

Page 67: ...exchanger temperature thermistor Room temperature thermistor 4 way valve Forecast of cause Connector connection failure Thermistor failure Coil failure 4 way valve failure Main PCB failure Check point 1 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 the power Check po...

Page 68: ...ence If the value location is not proper replace 4 way valve Check point 4 Check the voltage of 4 way valve Check the voltage CN501 of Main PCB Check if AC 187 V AC 208 V 10 to AC 253 V AC 230 V 10 appears at CN501 of Main PCB Heating operation If it is not voltage Replace Main PCB Cooling operation If it is voltage Replace Main PCB Check point 5 Replace main PCB If Check Point 1 to 4 do not impro...

Page 69: ...of the 3 way valve For heating operation check 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 36 Check the strainer clogging Check point 3 Check the outd...

Page 70: ...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 21 E A1 Discharge temperature error Outdoor unit 03 28 2 Troubleshooting with error code TROUBLESHOOTING TROUBLESHOOTING ...

Page 71: ...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 187 to 253 V appears at outdoor unit terminal L N If no go to Check point 1 and Check point 2 Check fuse in fi...

Page 72: ...using 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 187 to 253 V appears at outdoor unit terminal L1 L2 If no go to Check point 1 and Check point 2 Check fuse in main PCB If fuse is open check if the wiring between termin...

Page 73: ...k if there is a large load electric apparatus 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 3 Check wired remote controller ...

Page 74: ...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...

Page 75: ...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 33 3 Troubleshooting without error code TROUBLESHOOTING TROUBLESHOOTING ...

Page 76: ...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 ...

Page 77: ...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 35 3 Troubleshooting without error code TROUBLESHOOTING TROUBLESHOOTING ...

Page 78: ...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...

Page 79: ...E RED W400 U W401 V Check point 2 Check winding resistance Check winding resistance of each terminal Resistance value 09 model 2 180 Ω at 68 F 20 C 12 model 1 975 Ω 7 at 77 F 25 C R U C 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 37...

Page 80: ...e 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 inlet and outlet Pi...

Page 81: ...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 39 4 Service parts information TROUBLESHOOTING TROUBLESHOOTING ...

Page 82: ...uit 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 Blue Feed back FG 4 4 Indoor unit fan m...

Page 83: ...rcuit 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 FG 4 5 Outdoor unit ...

Page 84: ...temperature thermistor Temperature F C Resistance kΩ Voltage V 22 0 30 0 1 131 91 0 21 13 0 25 0 804 52 0 29 4 0 20 0 579 59 0 40 5 0 15 0 422 89 0 53 14 0 10 0 312 27 0 69 23 0 5 0 233 21 0 88 32 0 0 0 176 03 1 10 41 0 5 0 134 23 1 36 50 0 10 0 103 34 1 63 59 0 15 0 80 28 1 92 68 0 20 0 62 91 2 21 77 0 25 0 49 70 2 51 86 0 30 0 39 57 2 79 95 0 35 0 31 74 3 06 104 0 40 0 25 64 3 30 113 0 45 0 20 8...

Page 85: ... 0 86 77 0 25 0 49 84 1 03 86 0 30 0 40 01 1 23 95 0 35 0 32 35 1 43 104 0 40 0 26 34 1 65 113 0 45 0 21 58 1 88 122 0 50 0 17 79 2 11 131 0 55 0 14 75 2 34 140 0 60 0 12 30 2 57 149 0 65 0 10 32 2 79 158 0 70 0 8 70 3 00 167 0 75 0 7 36 3 19 176 0 80 0 6 27 3 37 185 0 85 0 5 36 3 54 194 0 90 0 4 60 3 69 203 0 95 0 3 96 3 83 212 0 100 0 3 43 3 96 221 0 105 0 2 98 4 07 230 0 110 0 2 60 4 17 239 0 1...

Page 86: ... 3 85 140 0 60 0 1 19 4 00 149 0 65 0 1 00 4 13 158 0 70 0 0 84 4 25 167 0 75 0 0 71 4 35 176 0 80 0 0 61 4 43 Outdoor temperature thermistor Temperature F C Resistance kΩ Voltage V 22 0 30 0 224 33 0 73 12 0 25 0 159 71 0 97 4 0 20 0 115 24 1 25 5 0 15 0 84 21 1 56 14 0 10 0 62 28 1 90 23 0 5 0 46 58 2 26 32 0 0 0 35 21 2 61 41 0 5 0 26 88 2 94 50 0 10 0 20 72 3 25 59 0 15 0 16 12 3 52 68 0 20 0 ...

Page 87: ...4 CONTROL AND FUNCTIONS 2021 07 XX SR_CH04_AS050EF_01 ...

Page 88: ...ost operation in heating operation stopped 04 24 7 Various control 04 25 7 1 Auto restart 04 25 7 2 MANUAL AUTO operation 04 25 7 3 Forced cooling operation 04 26 7 4 ECONOMY operation 04 26 7 5 POWERFUL operation 04 26 7 6 Fresh air control 04 27 7 7 Compressor preheating 04 27 7 8 External electrical heater control 04 27 7 9 Electronic expansion valve control 04 28 7 10 Prevention to restart for...

Page 89: ...emperature is 2 F 1 0 C lower than a set temperature the compressor will be stopped When the room temperature is within the range of 11 F 6 0 C to 2 F 1 0 C of the setting temperature the rotation number of compressor is controlled within the range shown in the table below However the maximum rotation number is limited in the range shown in the figure below based on the indoor fan mode and the out...

Page 90: ...35 6 F 2 C Unit rps Model name Outdoor temperature zone Indoor unit fan mode HIGH MED LOW QUIET ASUH09LPAS A zone 90 49 34 24 B zone 90 49 34 24 C zone 90 49 34 24 D zone 60 44 34 24 E zone 60 44 34 24 F zone 60 44 34 24 ASUH12LPAS A zone 89 47 36 26 B zone 89 47 36 26 C zone 89 47 36 26 D zone 54 42 34 26 E zone 54 42 34 26 F zone 54 42 34 26 1 1 Cooling operation 04 2 1 Rotation number control o...

Page 91: ...n number of compressor is controlled within the range shown below Rotation number range of compressor Unit rps Model name Minimum frequency Maximum frequency ASUH09LPAS 14 110 ASUH12LPAS 12 110 Limit of maximum speed based on outdoor temperature In heating operation maximum rotation number is defined by outdoor temperature and fan mode A zone B zone 57 2 F 14 C C zone 14 0 F 10 C Outdoor temperatu...

Page 92: ...ture Rotation number range of compressor Unit rps Model name Outdoor temperature zone Operating frequency ASUH09LPAS X zone 24 J zone 18 Y zone 0 ASUH12LPAS X zone 22 J zone 16 Y zone 0 Compressor control based on room temperature Ts 1 F Ts 0 5 C Ts 3 F Ts 1 5 C Ts 3 F Ts 1 5 C X zone J zone Y zone Room temperature drops Room temperature rises Ts Set temperature Ts 1 F Ts 0 5 C 1 3 Dry operation 0...

Page 93: ...II Rotation number IV Rotation number V Rotation number VI Rotation number VII Time 1 Time 2 Time 3 Time 4 Time 5 Time 6 Time 7 Rotation number rps I II III IV V VI VII 45 56 68 77 84 93 103 Time sec 1 2 3 4 5 6 7 60 140 170 220 280 360 430 1 4 Rotation number of compressor at normal start up 04 5 1 Rotation number control of compressor CONTROL AND FUNCTIONS CONTROL AND FUNCTIONS ...

Page 94: ...C 66 2 F 19 C 100 4 F 38 C Model name Outdoor temperature zone Limitation of compressor frequency AOUH09LPAS1 A zone 42 rps B zone 42 rps C zone 33 rps D zone 28 rps E zone 16 rps F zone 21 rps AOUH12LPAS1 A zone 35 rps B zone 35 rps C zone 35 rps D zone 15 rps E zone 15 rps F zone 36 rps 1 5 Limitation of compressor rotation number by outdoor temperature 04 6 1 Rotation number control of compress...

Page 95: ...mpressor frequency AOUH09LPAS1 A zone 43 rps B zone 43 rps C zone 30 rps D zone 18 rps E zone 16 rps F zone 16 rps AOUH12LPAS1 A zone 37 rps B zone 37 rps C zone 36 rps D zone 15 rps E zone 15 rps F zone 1 rps 1 5 Limitation of compressor rotation number by outdoor temperature 04 7 1 Rotation number control of compressor CONTROL AND FUNCTIONS CONTROL AND FUNCTIONS ...

Page 96: ...ion mode is middle 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 ...

Page 97: ...n Middle zone Operation mode of outdoor unit Cooling Outdoor temp 77 0 F 25 C Operation mode before the monitor mode is cooling mode Monitor mode Room temp Ts 3 6 F 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...

Page 98: ...ntion 550 550 S LOW 400 470 Cooling Fan POWERFUL 1 170 1 290 HIGH 1 100 1 220 MED 920 1 000 LOW 750 810 QUIET 550 550 Soft quiet 470 1 490 1 S LOW 400 2 470 2 Dry X zone 550 J zone 550 X zone 550 J zone 550 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 ...

Page 99: ...ry operation During dry operation fan speed setting can not be changed as shown in Fan speed above Heating operation Switch the airflow AUTO and the indoor fan motor will run according to a room temperature as be low On the other hand if switched in HIGH QUIET the indoor motor will run at a constant airflow of HEAT operation modes QUIET LOW MED HIGH as shown in Fan speed above Airflow change over ...

Page 100: ... fan mode LOW or setting fan mode Lower speed is selected 98 6 F 37 C 102 2 F 39 C 107 6 F 42 C 98 6 F 37 C 89 6 F 32 C 82 4 F 28 C 93 2 F 34 C 7 minutes later Indoor heat exchanger temperature rises HIGH or setting fan mode Indoor heat exchanger temperature drops MED or setting fan mode LOW or setting fan mode Lower speed is selected LOW or setting fan mode LOW or setting fan mode 86 0 F 30 C 98 ...

Page 101: ...HIGH Indoor heat exchanger temperature drops POWERFUL LOW LOW LOW 86 0 F 30 C 98 6 F 37 C 102 2 F 39 C 107 6 F 42 C 98 6 F 37 C 89 6 F 32 C 82 4 F 28 C 93 2 F 34 C 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 LOW Off 10 30 60 180 60 180 60 10 30 sec Ind...

Page 102: ...m Fan step Cooling Heating Dry Cooling or dry at low outdoor temp Y zone Y zone Z zone F zone G zone H zone S HIGH2 930 S HIGH1 950 930 HIGH 950 930 10 800 9 950 800 950 360 210 190 190 8 800 800 800 360 210 190 190 7 800 800 800 360 210 190 190 6 800 800 800 280 210 170 170 5 800 610 800 200 190 170 170 4 800 550 800 200 170 170 170 3 680 510 680 200 170 170 170 2 610 480 610 200 170 170 170 1 58...

Page 103: ...e Z zone F zone G zone H zone S HIGH2 1 070 S HIGH1 990 1 070 HIGH 990 1 070 10 1 070 9 990 1 070 990 350 260 200 170 8 850 1 070 850 350 260 200 170 7 820 850 820 350 260 200 170 6 820 820 820 250 200 170 170 5 820 700 820 220 200 170 170 4 740 610 740 220 200 170 170 3 660 510 660 220 200 170 170 2 610 510 610 220 200 170 170 1 600 510 600 220 200 170 170 NOTE After defrost control on the heatin...

Page 104: ...start of the Heating mode After beginning of AUTO HEAT mode operated and automatic defrosting operation the airflow will be horizontal 1 However the airflow direction cannot be adjusted at beginning AUTO operation mode 4 2 Adjust the horizontal louver Move the horizontal louvers to adjust airflow direction you prefer Horizontal louver Knob 4 3 Swing operation To select up down airflow swing operat...

Page 105: ...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 ...

Page 106: ...ing temperature is not changed and the operation is stopped at the setting time Set temperature rises Ts Set temperature Stop of operation Ts 3 6 F 2 C Set 60 min 1 8 F 1 C In the heating operation mode When the sleep timer is set the setting temperature is decreased 1 8 F 1 C It decreases the setting temperature another 1 8 F 1 C every 30 minutes Upon lowering 7 2 F 4 C the setting temperature is...

Page 107: ...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 ...

Page 108: ...3 6 F 2 C Set 60 min 1 8 F 1 C In the heating operation mode When the sleep timer is set the setting temperature is decreased 1 8 F 1 C It decreases the setting temperature another 1 8 F 1 C every 30 minutes Upon lowering 7 2 F 4 C the setting temperature is not changed and the operation is stopped at the setting time Set Ts 3 6 F 2 C 1 8 F 1 C 5 4 F 3 C 7 2 F 4 C Ts Set temperature 30 min 30 min ...

Page 109: ...minimum of 64 F 18 C even if the SET BACK temperature is set to 63 F 17 C or lower Case of Temperature Setback Timer on the Cooling operation Setting temperature 72 F 22 C SET BACK temperature 78 F 26 C SET BACK setting Operation temperature Operation temperature 1 ON OFF OFF ON 1 During the SET BACK function the setting temperature is changed Chenge the setting temperature 72 F 22 C 75 F 24 C 72 ...

Page 110: ...er Compressor integrating operation time Less than 25 min More than 25 min Condition Does not operate Tn Tn10 9 0 F 5 C Tn 21 2 F 6 C Tn Tnb 3 6 F 2 C Tn 21 2 F 6 C Tn 1 4 F 17 C Ta 14 0 F 10 C Tn 19 4 F 7 C or Tn 4 0 F 20 C Ta 14 0 F 10 C Integrating defrost Constant monitoring Compressor integrating operation time More than 240 min For long continuous operation More than 213 min For long continu...

Page 111: ...grating operation time More than 240 min For long continuous operation More than 213 min For long continuous operation Less than 10 min For intermittent operation Condition Tn 26 6 F 3 C Tn 23 0 F 5 C Count of the compressor off 40 times If the compressor continuous operation time is less than 10 minutes the number of the compressor off is counted If any defrost operated the compressor off count i...

Page 112: ...s 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 24 8 F 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...

Page 113: ...mote control setting WLAN indicator lamp setting 7 2 MANUAL AUTO operation When the wireless remote controller is lost or battery power dissipated this function will work without the remote controller When MANUAL AUTO button is pressed more than 3 seconds and less than 10 seconds MANUAL AUTO operation starts as shown in the table below To stop operation press the MANUAL AUTO button for 3 seconds O...

Page 114: ...on Pressing FORCED COOLING OPERATION button for 3 seconds 60 minutes passed after starting forced cooling operation NOTE When HEAT operation is selected on the remote controller during forced cooling operation heating test run will begin in about 3 minutes 7 4 ECONOMY operation The ECONOMY operation starts by pressing ECONOMY button on the remote controller The ECONOMY operation is almost the same...

Page 115: ...n Tn 28 4 F 2 C 24 8 F 4 C When the jumper wire JM2 is disconnected 41 0 F 5 C Off On Tn Tn 44 6 F 7 C 7 8 External electrical heater control The external electrical heater is operated as below When the room temperature rises When the room temperature drops Ts Setting temperature Heater Off Heater On Heater Off Ts 5 4 F Ts 3 C Ts 21 6 F Ts 12 C Ts 1 8 F Ts 1 C Ts 18 0 F Ts 10 C NOTES When the comp...

Page 116: ...e compressor fails to start for the number of times below it does not enter operation status for 3 minutes Model AOUH09LPAS1 Retry number 10 Retry set number 10 Model AOUH12LPAS1 Retry number 50 Retry set number 3 When the compressor fails to start in the retry set number above the compressor is stopped 7 11 4 way valve control If heating mode is selected at the compressor start 4 way valve is ene...

Page 117: ... total energized hours 11 h 00 081 Total filtering hours 11 h 00 082 Indoor unit fan total operation hours 11 h 00 095 Presence or absence detected by human sensor 00 0 Absence 1 Presence Human sensor error or No human sensor 00 140 Operation or Stop External input 00 0 Off 1 On When the function setting 46 is not set NOTE Available only for external input port of the indoor unit 00 142 Forced sto...

Page 118: ...l output 00 0 Off 1 On NOTE The value is output even if the function setting or rotary switch is not set 01 Outdoor unit 01 000 Outdoor temp 01 F or C 01 001 Discharge temp 01 F or C 01 004 Heat exchanger outlet temp 01 F or C 01 050 Fan 1 rotation number 03 rpm 01 055 Compressor rotation number 04 rps 01 060 Expansion valve Upstream during heating 05 pls 01 080 4 way valve output status 07 Coolin...

Page 119: ... starts blinking Trigger condition 219 2 F 104 C Compressor frequency 20 rps 120 seconds Release condition 213 8 F 101 C Compressor protection temperature 230 0 F 110 C 8 2 Anti freezing control cooling and dry mode The rotation number of compressor is decrease in cooling and dry mode when the indoor unit heat exchanger temperature sensor detects the temperature lower than the trigger condition Wh...

Page 120: ...S1 Operation mode Outdoor temp Ta Trigger condition Release condition Cooling 122 0 F 50 C Ta 3 5 A 3 0 A 114 8 F 46 C Ta 122 0 F 50 C 3 5 A 3 0 A 104 0 F 40 C Ta 114 8 F 46 C 4 0 A 3 5 A 53 6 F 12 C Ta 104 0 F 40 C 6 0 A 5 5 A 35 6 F 2 C Ta 53 6 F 12 C 6 0 A 5 5 A Ta 35 6 F 2 C 6 0 A 5 5 A Heating 62 6 F 17 C Ta 5 5 A 5 0 A 53 6 F 12 C Ta 62 6 F 17 C 6 0 A 5 5 A 41 0 F 5 C Ta 53 6 F 12 C 7 0 A 6 ...

Page 121: ...e C Zone D Zone E AB 145 4 F 63 C BC 131 0 F 55 C CD 127 4 F 53 C DE 122 0 F 50 C Zone Operation Zone A Compressor is stopped Zone B The rotation number of compressor is decreased 25 rps 120 sec Zone C 3 rps 60 sec Zone D The protection is released and the operation is returned to normal mode Zone E 8 6 High temperature and high pressure release control 04 33 8 Various protections CONTROL AND FUNC...

Page 122: ...8 6 High temperature and high pressure release control 04 34 8 Various protections CONTROL AND FUNCTIONS CONTROL AND FUNCTIONS ...

Page 123: ...5 FILED WORKING 2021 06 28 SR_CH05_AS050EF_03 ...

Page 124: ...ettings by using remote controller 05 1 1 2 Custom code setting for wireless remote controller 05 10 2 External input and output 05 11 2 1 External input 05 12 2 2 External output 05 14 2 3 Combination of external input and output 05 16 2 4 Details of function 05 18 ...

Page 125: ...er the function setting mode STEP 1 Setting the remote controller custom code Use the following steps to select the custom code of the remote controller Note that the air condi tioner cannot receive a custom code if the air conditioner has not been set for the custom code The custom codes that are set through this process are applicable only to the signal in the function setting For details on how...

Page 126: ...r unit beeps press the START STOP button to confirm the settings 5 Press the RESET button to cancel the function setting mode 6 After completing the function setting be sure to disconnect the pow er supply and then reconnect it Function number Setting value CAUTION After disconnecting the power supply wait 30 seconds or more before reconnecting it The func tion setting will not become active unles...

Page 127: ...al 11 61 Control switching of external heaters 12 62 Operating temperature switching of external heaters 13 66 Outdoor temperature zone boundary temperature A 14 67 Outdoor temperature zone boundary temperature B 15 71 Standby time for auxiliary equipment operation 16 72 Heat pump backup setting 17 73 Emergency heat for external output terminal 18 95 Heat insulation condition building insulation 1...

Page 128: ... 80 F 78 F 2 F The temperature correction values show the difference from the Standard setting 00 manufactur er s recommended value When Function 95 01 High insulation is set the Standard setting 00 will be the same as No cor rection 0 0 F 0 0 C 01 Function number Setting value Setting description Factory setting 30 For cooling 31 For heating 00 Standard setting 01 No correction 0 0 F 0 0 C 02 1 F...

Page 129: ... 5 C Less cooling More heating 11 2 F 1 0 C 12 3 F 1 5 C 13 4 F 2 0 C 14 5 F 2 5 C 15 6 F 3 0 C 16 7 F 3 5 C 17 8 F 4 0 C 4 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 ...

Page 130: ...e Setting description Factory setting 48 00 Both 01 Wired remote controller 9 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 When t...

Page 131: ...02 Heat pump prohibition control 03 Auxiliary heater control by outdoor temperature 1 04 Auxiliary heater control by outdoor temperature 2 05 Auxiliary heater control by outdoor temperature 3 06 Auxiliary heat pump control 07 Auxiliary heat pump control by outdoor temperature 1 08 Auxiliary heat pump control by outdoor temperature 2 09 Auxiliary heat pump control by outdoor temperature 3 12 Operat...

Page 132: ...r control by outdoor temperature 1 is performed on the indoor unit For details refer to External heater output in Chapter 2 4 Details of function on page 05 18 Function number Setting value Setting description Factory setting 67 00 42 8 F 6 C 01 14 0 F 10 C 02 17 6 F 8 C 03 21 2 F 6 C 04 24 8 F 4 C 05 28 4 F 2 C 06 32 0 F 0 C 07 35 6 F 2 C 08 39 2 F 4 C 09 42 8 F 6 C 10 46 4 F 8 C 11 50 0 F 10 C 1...

Page 133: ...rapidly respond to the cooling or heating load changes High insulation 01 is when the heat insulation structure of the building is high and does not re quire system to rapidly respond to cooling or heating load changes When High insulation 01 is selected Overheating overcooling is prevented at the start up All room temperature control settings Function 30 31 35 and 36 will reset to No correction 0...

Page 134: ... for the air conditioner 1 Press the START STOP button until the indicators on the re mote controller turn off 2 Press the MODE button for at least 5 seconds to display the current custom code Initially set to 3 Press the TEMP SELECT buttons to change the custom code between Match the code on the display to the air conditioner custom code Initially set to 4 Press the MODE button again to return to...

Page 135: ...peration status CN47 Error status Indoor unit fan operation status Cooling thermostat On Heating thermostat On External heater output External input and output UTY XCSXZ2 Operation Stop CN313 CN314 Dry contact Apply voltage Edge Pulse Forced stop Forced thermostat off CN313 Edge Operation status CN310 CN311 CN312 Error status Indoor unit fan operation status External heater output Remote controlle...

Page 136: ... cable 22AWG should be used Maximum length of cable is 492 ft 150 m The wire connection should be separate from the power cable line Indoor unit Indoor unit functions such as Operation Stop can be done by using indoor unit connectors 1 2 3 Connector CN46 PCB Connected unit 1 The switch can be used on the following condition DC 12 V to 24 V 1 mA to 15 mA 2 1 External input 05 12 2 External input an...

Page 137: ...nput 1 PCB Connected unit 1 2 3 Input 2 Connector CN313 Connector CN314 1 The switches can be used on the following condition DC 12 V to 24 V 1 mA to 15 mA Apply voltage In case of external power supply set the slide switch of SW301 to VOL side 1 2 3 Input 1 Power supply PCB Connected unit 2 1 2 3 Input 2 Connector CN313 Connector CN314 1 The switches can be used on the following condition DC 12 V...

Page 138: ...0 mA For details refer to Combination of external input and output on page 05 16 When indicator or other components are connected directly Example Function setting 60 is set to 00 1 2 Connector CN47 LED PCB Resistor Connected unit When connecting with a device equipped with a power supply Example Function setting 60 is set to 00 1 2 Connected device Connector CN47 PCB Connected unit Relay Operatio...

Page 139: ...tor CN310 LED 1 Operation status PCB Resistor Connected unit 1 2 Connector CN311 LED 2 Error status Resistor 1 2 Connector CN312 LED 3 Indoor unit fan operation status Resistor When connecting with a device equipped with a power supply Example Rotary SW on External Input and Output PCB is set to 1 1 2 Connected device 1 Connector CN310 PCB Connected unit Relay Operation status 1 2 Connected device...

Page 140: ...0 1 Operation Stop Operation Stop Error status Indoor unit fan operation status 0 2 60 00 2 Operation Stop Error status Indoor unit fan operation status External heater output 1 60 01 3 Cooling thermostat On Error status Indoor unit fan operation status External heater output 2 60 02 4 Cooling thermostat On Error status Remote controller output External heater output 3 60 03 5 Cooling thermostat O...

Page 141: ... setting 46 00 Operation Stop mode 1 R C enabled 01 Setting prohibited 02 Forced stop 03 Operation Stop mode 2 R C disabled Input signal type External Input and Output PCB The input signal type can be selected Signal type edge or pulse can be switched by the DIP switch SW302 on the External Input and Output PCB Pulse The width of pulse must be longer than 200 msec Edge 2 3 Combination of external ...

Page 142: ...ntroller On Off Indoor unit On CN313 In the case of Pulse input Function setting Rotary SW on External Input and Output PCB External input Input signal Command 46 00 1 External Input and Output PCB CN313 Pulse Operation CN314 Pulse Stop On On Off Operation Stop Remote controller On Off Indoor unit CN313 CN314 NOTES The last command has priority The indoor units within the same remote controller gr...

Page 143: ...rnal Input and Output PCB External input Input signal Command 46 02 1 External Input and Output PCB CN313 Pulse Forced stop CN314 Pulse Normal On Off Operation Stop Remote controller On Off Forced stop Normal CN313 CN314 On On On Indoorunit NOTES When the forced stop is triggered indoor unit stops and Operation Stop operation by the re mote controller is restricted When forced stop function is use...

Page 144: ...the case of Pulse input Function setting Rotary SW on External Input and Output PCB External input Input signal Command 46 03 1 External Input and Output PCB CN313 Pulse Operation CN314 Pulse Stop Remote controller disabled On On Off Operation Stop Remote controller On Off Indoor unit CN313 CN314 R C disabled Off On NOTE When Operation Stop mode 2 function is used with forming a remote controller ...

Page 145: ...t signal Command 1 B C D External Input and Output PCB CN310 Off On Operation On Off Stop The output is low when the unit is stopped Operation Stop On Off CN310 Indoor unit Error status Rotary SW on External Input and Output PCB External output Output signal Command 1 C External Input and Output PCB CN311 Off On Error On Off Normal D CN312 Off On Error On Off Normal The output is ON when an error ...

Page 146: ...ndoor unit fan is operating Low High Off The fan is stopped or during cold air prevention High Low During thermostat off when in dry mode operation Fan run Fan stop On Off CN311 312 Indoor unit External heater output Rotary SW on External Input and Output PCB External output Output signal Command 2 B C External Input and Output PCB CN312 Off On Heater on On Off Heater off 2 4 Details of function 0...

Page 147: ...emperature 1 External device Heat pump 61 07 On Enabled Auxiliary heat pump control by outdoor temperature 2 External device Heat pump 61 08 On Enabled Auxiliary heat pump control by outdoor temperature 3 External device Heat pump 61 09 On Enabled NOTES After turning off the heater 3 minutes of standby time is required by next power on of the heater For items marked in the table any of validate or...

Page 148: ...om temperature Ts Set temperature Thon Heater on temperature Example When set temperature Ts is 72 F 22 C Factory setting and room temperature Tr increases above 53 6 F 12 C signal output is on and room temperature Tr increases above 69 8 F 21 C signal output is off and room temperature Tr decreases below 66 2 F 19 C signal output is on and room temperature Tr decreases below 50 F 10 C signal outp...

Page 149: ...Adjustable by function number 62 Operating temperature switching of external heaters All control temperatures will shift by adjusting Thon Tr Room temperature Ts Set temperature Thon Heater on temperature Off On Tr Ts Tr Ts Thon 0 9 F 0 5 C Tr Ts 0 9 F 0 5 C Operation status On 0 9 F 0 5 C 0 9 F 0 5 C On 12 V On Off Off 0 V Off Heating operation Heater Fan Air conditioner Room temperature Set temp...

Page 150: ...table by function number 62 Operating temperature switching of external heaters All control temperatures will shift by adjusting Thon Outdoor temperature zone boundary A and B Adjustable individually by function setting number 66 and 67 External heater output Tr Room temperature Ts Set temperature Thon Heater on temperature Off On Tr Ts 0 9 F 0 5 C Tr Ts Tr Ts Thon 0 9 F 0 5 C Outdoor temperature ...

Page 151: ...ly zone Combination zone The outdoor temperature zone transition from one to another will stay in that zone for minimum of 30 min 46 4 F 8 C 42 8 F 6 C 0 4 F 18 C 4 F 20 C NOTE In following operations compressor will be on in heat pump prohibition zone Other than heating Test run 2 4 Details of function 05 27 2 External input and output FIELD WORKING FIELD WORKING ...

Page 152: ...ed thermostat off Temperature of heater on Thon Adjustable by function number 62 Operating temperature switching of external heaters All control temperatures will shift by adjusting Thon Outdoor temperature zone boundary A Adjustable by function setting number 66 External heater output Tr Room temperature Ts Set temperature Thon Heater on temperature Off On Tr Ts 0 9 F 0 5 C Tr Ts Tr Ts Thon 0 9 F...

Page 153: ...mbination zone The outdoor temperature zone transition from one to another will stay in that zone for minimum of 30 min 46 4 F 8 C 42 8 F 6 C 0 4 F 18 C 4 F 20 C NOTE In following operations compressor will be on in heat pump prohibition zone Other than heating Test run 2 4 Details of function 05 29 2 External input and output FIELD WORKING FIELD WORKING ...

Page 154: ...ced thermostat off Temperature of heater on Thon Adjustable by function number 62 Operating temperature switching of external heaters All control temperatures will shift by adjusting Thon Outdoor temperature zone boundary B Adjustable by function setting number 67 External heater output Tr Room temperature Ts Set temperature Thon Heater on temperature Off On Tr Ts 0 9 F 0 5 C Tr Ts Tr Ts Thon 0 9 ...

Page 155: ...nly zone On On 12 V Off Off 0 V Heater Fan Comp On Off Outdoor temperature Factory setting Outdoor temperature zone 46 4 F 8 C 42 8 F 6 C 0 4 F 18 C 4 F 20 C NOTE In following operations compressor will be on in heat pump prohibition zone Other than heating Test run 2 4 Details of function 05 31 2 External input and output FIELD WORKING FIELD WORKING ...

Page 156: ...re of heater off Set temperature Ts 0 9 F 0 5 C Tr Room temperature Ts Set temperature Thon Heater on temperature Off On Tr Ts Tr Ts Thon 0 9 F 0 5 C Tr Ts 0 9 F 0 5 C Auxiliary heat pump On Off Temperature of heater on Thon Adjustable by function number 62 Operating temperature switching of heat pump All control temperatures will shift by adjusting Thon Off On Tr Ts 1 8 F 1 C Tr Ts Tr Ts Thon 5 4...

Page 157: ...e Ts Set temperature Thon Heater on temperature Off On Tr Ts Tr Ts Thon 0 9 F 0 5 C Tr Ts 0 9 F 0 5 C Auxiliary heat pump On Off Temperature of heater on Thon Adjustable by function number 62 Operating temperature switching of heat pump All control temperatures will shift by adjusting Thon Off On Tr Ts 1 8 F 1 C Tr Ts Tr Ts Thon 5 4 F 3 C Tr Room temperature Ts Set temperature Thon Heater on tempe...

Page 158: ...mbination zone The outdoor temperature zone transition from one to another will stay in that zone for minimum of 30 min 46 4 F 8 C 42 8 F 6 C 0 4 F 18 C 4 F 20 C NOTE In following operations compressor will be on in heat pump prohibition zone Other than heating Test run 2 4 Details of function 05 34 2 External input and output FIELD WORKING FIELD WORKING ...

Page 159: ... Ts Set temperature Thon Heater on temperature Off On Tr Ts Tr Ts Thon 0 9 F 0 5 C Tr Ts 0 9 F 0 5 C Auxiliary heat pump On Off Temperature of heater on Thon Adjustable by function number 62 Operating temperature switching of heat pump All control temperatures will shift by adjusting Thon Off On Tr Ts 1 8 F 1 C Tr Ts Tr Ts Thon 5 4 F 3 C Tr Room temperature Ts Set temperature Thon Heater on temper...

Page 160: ...ibition zone On On 12 V Off Off 0 V Heater Fan Comp On Off Outdoor temperature Factory setting Outdoor temperature zone 46 4 F 8 C 42 8 F 6 C 0 4 F 18 C 4 F 20 C NOTE In following operations compressor will be on in heat pump prohibition zone Other than heating Test run 2 4 Details of function 05 36 2 External input and output FIELD WORKING FIELD WORKING ...

Page 161: ...er on temperature Off On Tr Ts Tr Ts Thon 0 9 F 0 5 C Tr Ts 0 9 F 0 5 C Auxiliary heat pump On Off Temperature of heater on Thon Adjustable by function number 62 Operating temperature switching of heat pump All control temperatures will shift by adjusting Thon Off On Tr Ts 1 8 F 1 C Tr Ts Tr Ts Thon 5 4 F 3 C Tr Room temperature Ts Set temperature Thon Heater on temperature Outdoor temperature zon...

Page 162: ...transition from one to another will stay in that zone for minimum of 30 min 46 4 F 8 C 42 8 F 6 C 0 4 F 18 C 4 F 20 C Combination zone Heat pump prohibition zone NOTE In following operations compressor will be on in heat pump prohibition zone Other than heating Test run 2 4 Details of function 05 38 2 External input and output FIELD WORKING FIELD WORKING ...

Page 163: ...ndividual connection External output Heating thermostat on Humidifier Operation status The heating thermostat output for CNB01 1 2 or 1 3 or 1 or 1 5 will be on when comp on or ex ternal heater on The heating thermostat output will be off when comp off and external heater off Heating operation Heating thermostat On output External heater output On Off Comp On Off On On On On On Off Off Off Off Off...

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