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Check point 5. Check the refrigerant amount

Check the refrigerant leakage.

↓

Check point 6. Replace the main PCB

If check point 1 to 5 do not improve the symptom, replace the main PCB.

↓

End

2-24. E: A1. Discharge temperature error (Outdoor unit)

- (03-32) -

2. Troubleshooting with error code

TROUBLESHOOTING

Содержание General AOHH30KMTB

Страница 1: ...AIR CONDITIONER Wall mounted type SERVICE MANUAL INDOOR ASHH30KMTB ASHH36KMTB OUTDOOR AOHH30KMTB AOHH36KMTB SR_AS073EG_02 2022 08 22 ...

Страница 2: ...please 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 LLC App Store is a service mark of Apple Inc registered in the U S and other countries Copyright 2022 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 2022 07 19 SR_CH01_AS073EG_02 ...

Страница 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 ...

Страница 7: ...ooling 99 Heating 99 Moisture removal L h pints h 2 6 4 6 3 8 6 7 Maximum operating current 1 Cooling A 21 0 21 5 Heating 21 0 21 5 Fan Airflow rate Cooling HIGH m3 h 1 330 MED 1 100 LOW 920 QUIET 720 Heating HIGH 1 330 MED 1 100 LOW 920 QUIET 720 Type Q ty Cross flow fan 1 Motor output W 61 Sound pressure level 2 Cooling HIGH dB A 50 MED 44 LOW 40 QUIET 33 Heating HIGH 49 MED 44 LOW 39 QUIET 33 S...

Страница 8: ...e 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 specified values here 3 Available on Google...

Страница 9: ...ons H W D Net mm 788 940 320 Gross 966 1 027 445 Weight Net kg 52 Gross 62 Connection pipe Size Liquid mm in Ø9 52 3 8 Gas Ø15 88 5 8 Method Flare Pre charge length m 30 Max length 50 Max height difference 30 Operation range Cooling C 15 to 46 Heating 15 to 24 Drain hose Material LDPE Size mm Ø13 0 I D Ø16 0 to Ø16 7 O D NOTES Specifications are based on the following conditions Cooling Indoor tem...

Страница 10: ...or unit Models ASHH30KMTB and ASHH36KMTB Outline of unit 520 90 20 64 479 61 108 502 520 50 50 11 340 ø 8 0 ø 8 0 340 280 16 1 150 483 544 560 1 150 2 1 Indoor unit 01 4 2 Dimensions GENERAL INFORMATION GENERAL INFORMATION ...

Страница 11: ...sufficient installation space for product safety 63 or more 88 or more 50 or more 50 or more 70 or more Outline of unit 140 or more 1 500 or more 1 800 or more Unit mm 2 1 Indoor unit 01 5 2 Dimensions GENERAL INFORMATION GENERAL INFORMATION ...

Страница 12: ... 3 Way 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 2 2 Outdoor unit 01 6 2 Dimensions GENERAL INFORMATION GENERAL INFORMATION ...

Страница 13: ...2 TECHNICAL DATA AND PARTS LIST 2022 07 19 SR_CH02_AS073EG_01 ...

Страница 14: ...nd AOHH36KMTB 02 6 4 Accessories 02 10 4 1 Indoor unit 02 10 4 2 Outdoor unit 02 10 5 Optional parts 02 11 5 1 Indoor unit 02 11 6 Refrigerant system diagrams 02 13 6 1 Models AOHH30KMTB and AOHH36KMTB 02 13 7 Wiring diagrams 02 14 7 1 Indoor unit 02 14 7 2 Outdoor unit 02 15 8 PC board diagrams 02 16 8 1 Models ASHH30KMTB and ASHH36KMTB 02 16 8 2 Models AOHH30KMTB and AOHH36KMTB 02 17 ...

Страница 15: ...others 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 ...

Страница 16: ... ASHH30KMTB and ASHH36KMTB Exterior parts 18 19 1 2 3 6 8 b 15 16 17 13 9 7 10 11 12 14 15 15 15 4 a 5 5 5 20 2 1 Models ASHH30KMTB and ASHH36KMTB 02 2 2 Indoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Страница 17: ... 9900384234 Step motor 11 9386958011 Louver U 12 9386959018 Louver Z 13 9387072198 Front panel total assy 14 9382114015 Intake grille assy 15 9386986007 Screw cover 16 9386960007 Air filter 17 9387074017 Wire cover assy 18 9315212016 Air clean filter assy 19 9318912005 Remote controller holder 20 9332438758 Remote controller assy a Casing b Front panel 2 1 Models ASHH30KMTB and ASHH36KMTB 02 3 2 I...

Страница 18: ...aporator and control a 65 64 63 50 b c d e 51 52 56 57 59 58 60 61 62 53 54 55 2 1 Models ASHH30KMTB and ASHH36KMTB 02 4 2 Indoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Страница 19: ...tor assy 59 9386988001 Room thermistor holder 60 9316568006 Motor cover 61 9603839017 DC fan motor 62 9316601000 Motor cover 63 9387055009 Crossflow fan assy 64 9306628017 Bearing C assy 65 9387064070 Evaporator total assy 66 9901010071 Wire with connector USB adapter connection 67 9709626023 Wire with connector CN10 on Main PCB Pyroelectric sensor a Rear panel b Box shield assy c Control box d PC...

Страница 20: ...KMTB and AOHH36KMTB Exterior parts and chassis 15 6 7 2 1 8 16 21 17 18 14 13 24 19 20 22 23 a 4 5 3 3 9 10 11 25 12 3 1 Models AOHH30KMTB and AOHH36KMTB 02 6 3 Outdoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Страница 21: ...9603732011 DC fan motor 24 9383862007 Motor bracket assy 25 9374420612 Condenser sub assy 9711332004 Wire with terminal P102 on Main PCB Terminal 9711332011 Wire with terminal P103 on Main PCB Terminal 9711198006 Wire with connector P108 on Main PCB Terminal 9711203007 Wire with connector P660 on Main PCB P662 on Inverter PCB 9711204004 Wire with connector P661 on Main PCB P663 on Inverter PCB 971...

Страница 22: ...essor 58 56 53 60 59 57 50 52 A b A 51 a 54 65 64 64 63 62 63 64 63 B 61 B 55 66 3 1 Models AOHH30KMTB and AOHH36KMTB 02 8 3 Outdoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Страница 23: ...29 Joint pipe D 58 9370947373 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 9383821004 Compressor assy 66 9379647168 S ABS Body a Thermostat holder b Wiring fixation unit 3 1 Models AOHH30KMTB and AOHH36KMTB 02 9 3 Outdoor unit parts l...

Страница 24: ...ew large 8 Wall hook bracket 1 Tapping screw small 2 Remote controller 1 Air cleaning filters 1 Battery 2 Filter holder 2 Remote controller holder 1 4 2 Outdoor unit Models AOHH30KMTB and AOHH36KMTB Part name Exterior Q ty Part name Exterior Q ty Installation manual 1 Drain cap 3 Drain pipe 1 One touch bush 2 4 1 Indoor unit 02 10 4 Accessories TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PART...

Страница 25: ...on polar 2 wire Optional communication kit is necessary for installation Simple remote controller UTY RSRG 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 RHRG Compact remote controller concentrates on t...

Страница 26: ...martphones and tablets Appropriate application for each region is required to use this option For details contact FGL sales company Connecting point Main PCB via USB connector Modbus Converter UTY VMSX For connection between indoor unit with UART interface and a Modbus open network Connecting point CN65 on Main PCB KNX Converter UTY VKSX For connection between indoor unit with UART interface and a...

Страница 27: ...out temperature ThD ThO ThHO Thermistor Room temperature Thermistor Pipe temperature ThR ThPI Thermistor Heat exchanger middle temperature ThHM ThHM Heat exchanger 3 way valve 3 way valve Pressure switch 4 way valve Strainer Strainer Expansion valve INDOOR Heat exchanger OUTDOOR Sub accumulator Compressor 6 1 Models AOHH30KMTB and AOHH36KMTB 02 13 6 Refrigerant system diagrams TECHNICAL DATA AND P...

Страница 28: ...7 Wiring diagrams 7 1 Indoor unit Models ASHH30KMTB and ASHH36KMTB 7 1 Indoor unit 02 14 7 Wiring diagrams TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Страница 29: ...7 2 Outdoor unit Models AOHH30KMTB and AOHH36KMTB 7 2 Outdoor unit 02 15 7 Wiring diagrams TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Страница 30: ... CN5 B5 7 2 3 B XASK 1 A WHITE CN7 B05B PLISK 1 WHITE LOUVER UP DOWN DC FAN MOTOR FM M DC340V DC15V GND_A2 DC12V E1 CN14 B3 5 0 B XASK 1 A WHITE 5 4 3 2 1 EARTH UL1015 AWG20 GREEN EMI FILTER ZC7KT 14X8X4 3 TURNS 1 2 3 OUTDOOR UNIT POWER SOURCE AC230V 50Hz L N SERIAL TERMINAL JXO T3102 3P B CN47 B2B XH AM WHITE CN46 B3B XH AM WHITE EX IN EX OUT 3 2 1 2 1 DC12V DC5V OR CONTROL UNIT 30 model EZ 0211E...

Страница 31: ...ATSINK TEMP EXPANSION VALVE COIL 1 THERMISTOR COMP TEMP THERMISTOR PIPE MID TEMP THERMISTOR PIPE OUT TEMP THERMISTOR DISCHARGE TEMP THERMISTOR OUTDOOR TEMP 4WV EEV1 FM HP SW1 COMP U V V W U W Compressor Winding Resistance 1 125 25 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 vol...

Страница 32: ...8 2 Models AOHH30KMTB and AOHH36KMTB 02 18 8 PC board diagrams TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Страница 33: ...3 TROUBLESHOOTING 2022 08 22 SR_CH03_AS073EG_01 ...

Страница 34: ...ror Outdoor unit 03 16 2 12 E 64 PFC circuit error Outdoor unit 03 17 2 13 E 65 Trip terminal L error Outdoor unit 03 18 2 14 E 71 Discharge thermistor error Outdoor unit 03 19 2 15 E 73 Heat exchanger Middle Outlet temperature thermistor error Outdoor unit 03 20 2 16 E 74 Outdoor temperature thermistor error Outdoor unit 03 21 2 17 E 77 Heat sink thermistor error Outdoor unit 03 22 2 18 E 84 Curr...

Страница 35: ...03 43 4 4 Indoor unit fan motor 03 45 4 5 Outdoor unit fan motor 03 46 4 6 Pressure switch 03 47 4 7 4 way valve coil solenoid coil 4 way valve 03 48 5 Thermistor resistance values 03 49 5 1 Indoor unit 03 49 5 2 Outdoor unit 03 50 CONTENTS continued ...

Страница 36: ......

Страница 37: ...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...

Страница 38: ...oor unit main PCB error Outdoor unit 6 times 2 times Continuous 62 E 63 Inverter error Outdoor unit 6 times 3 times Continuous 63 E 64 PFC circuit error Outdoor unit 6 times 4 times Continuous 64 E 65 Trip terminal L error Outdoor unit 6 times 5 times Continuous 65 E 71 Discharge thermistor error Outdoor unit 7 times 1 times Continuous 71 E 73 Heat exchanger Middle Outlet temperature thermistor er...

Страница 39: ... 5 15 E 42 Indoor unit heat exchanger sensor error Indoor unit 2 5 15 E 51 Indoor unit fan motor error Indoor unit 2 5 15 E 62 Outdoor unit main PCB error Outdoor unit 2 6 2 E 63 Inverter error Outdoor unit 2 6 3 E 71 Discharge thermistor error Outdoor unit 2 7 1 E 73 Heat exchanger Middle Outlet temperature thermistor error Outdoor unit 2 7 3 E 74 Outdoor temperature thermistor error Outdoor unit...

Страница 40: ...External cause Main PCB failure Outdoor 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 conditio...

Страница 41: ...tdoor 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 Serial com...

Страница 42: ...it Main PCB 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 manua...

Страница 43: ... on page 03 41 If indoor unit fan motor is abnormal replace indoor unit fan motor and main PCB If it is abnormal replace outdoor unit 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...

Страница 44: ...lure Check point 1 Check the connection of terminal 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 12 V remote controller is failure Main PCB is normal Replace Remote Control If it is DC 0 V main PCB is failure Check remo...

Страница 45: ...door unit capacity while 3 minutes after power on Forecast of cause Indoor unit selection is incorrect Main PCB failure Check point 1 Check the total capacity of indoor units Check the total capacity of the indoor units If abnormal condition is found correct it referring to the installation manual or DESIGN TECH NICAL MANUAL Check point 2 Replace the main PCB If check point 1 does not improve the ...

Страница 46: ...e connector or incorrect wiring Check any shortage or corrosion on PCB Check point 3 Replace the main PCB Replace the 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 Elec...

Страница 47: ...tor PCB Manual auto switch 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 opera tion by using a meter Check point 2 Replace the main PCB and indicator PCB If Check Point 1 does not improve...

Страница 48: ... if thermistor 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 room thermistor resistance value refer to Thermistor resistance values on page 03 49 If thermistor is either open or shorted replace it and reset the power Check point 3 Check voltage of main PCB Make sure circuit diagr...

Страница 49: ...ection Check if thermistor 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 heat exchanger thermistor resistance value refer to Thermistor resis tance values on page 03 49 If thermistor is either open or shorted replace it and reset the power Check point 3 Check voltage of main PCB ...

Страница 50: ...t 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 temperature coming down restart operation Check point 3 Check indoor...

Страница 51: ... External cause Noise temporary 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 the main PCB Replace the 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 correct...

Страница 52: ...nverter PCB failure Check point 1 Turn the power on again If no go to Check 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 ...

Страница 53: ...p or Noise Instant drop Check 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 Ch...

Страница 54: ...t Refer to Error code table Outdoor unit on page 03 3 Detective actuator Outdoor 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 13 E 65 Trip terminal L error Outdoor unit 03 18 2 Troubleshooting with error code TROUBLESHOOTING TROUBLESHOOTING ...

Страница 55: ...k erroneous connection Check if thermistor 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 49 If thermistor is either open or shorted replace it and reset the power Check point 3 Chec...

Страница 56: ...ure Check Point 1 Check the connector connection and cable open Connector connection 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 49 If thermistor is either open or shorted replace it and reset the power Check point 3 Check voltage of main PCB Make sure circuit diagr...

Страница 57: ...neous connection Check if thermistor 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 temperature thermistor resistance value refer to Thermistor re sistance values on page 03 49 If thermistor is either open or shorted replace it and reset the power Check point 3 Check volta...

Страница 58: ... 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 Heat sink thermistor resistance value refer to Thermistor resistance val ues on page 03 49 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 o...

Страница 59: ...f outdoor unit electrical components 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 the main PCB If Check point 1 2 do not improve the symptom replace the main PCB End Check point 1 2 Check external cause at Indoor and Outdoor Voltage ...

Страница 60: ...re Check point 1 Check the high pressure switch connection state Check connector 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 Chang...

Страница 61: ...er excessive rise of ambient temperature Main PCB failure Inverter compressor 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 ...

Страница 62: ...ilure 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 info...

Страница 63: ...tion failure Motor protection by surrounding temperature rise Inverter PCB 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...

Страница 64: ...o Wiring diagrams in Chapter 2 TECHNICAL DATA AND PARTS LIST on page 02 14 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 22 E 97 Outdoor unit fan motor error Outdoor unit 03 28 2 Troubleshooting with er...

Страница 65: ...temperature thermistor 4 way valve Forecast of cause Air filter clogged Connector 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 thermist...

Страница 66: ...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 23 E 99 4 way valve error Outdoor unit 03 30 2 Troubleshooting with error ...

Страница 67: ...ing operation check gas side 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 41 Check the strainer clogging...

Страница 68: ...e refrigerant leakage Check point 6 Replace the main PCB If check point 1 to 5 do not improve the symptom replace the main PCB End 2 24 E A1 Discharge temperature error Outdoor unit 03 32 2 Troubleshooting with error code TROUBLESHOOTING TROUBLESHOOTING ...

Страница 69: ...se Heat sink temp thermistor defective Check point 1 Check the heat sink state 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 tem...

Страница 70: ...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 71: ...fective 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 Check ...

Страница 72: ... drop Check 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 c...

Страница 73: ...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 74: ...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 38 3 Troubleshooting without error code TROUBLESHOOTING TROUBLESHOOTING ...

Страница 75: ...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 76: ...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 40 3 Troubleshooting without error code TROUBLESHOOTING TROUBLESHOOTING ...

Страница 77: ...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 78: ...02 W Compressor BLACK WHITE RED P400 U P401 V Check point 2 Check winding resistance Check winding resistance of each terminal Resistance value 1 125 Ω 7 at 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 inverter PCB 4 2 Inverter compressor 03 42 4 Service par...

Страница 79: ...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 Pipe...

Страница 80: ...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 44 4 Service parts information TROUBLESHOOTING TROUBLESHOOTING ...

Страница 81: ...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...

Страница 82: ...uit 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 fa...

Страница 83: ...ct 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 30 36 model P770 4 6 Pressure switch 03 47 4 Service parts information TROUBLESHOOTING TROUBLESHOOTING ...

Страница 84: ... 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 4 way valve HOT GAS HOT GAS ON Cooling Operation Cooling Operation AC SOLENOID COIL 4 way valve HOT GAS HOT GAS OFF If the valve location is not proper replace 4 way valve Check Point 4 Replace main PCB If none of C...

Страница 85: ... 3 48 Heat exchanger temperature thermistor Temperature C Resistance kΩ Voltage V 30 0 1 131 91 0 21 25 0 804 52 0 29 20 0 579 59 0 40 15 0 422 89 0 53 10 0 312 27 0 69 5 0 233 21 0 88 0 0 176 03 1 10 5 0 134 23 1 36 10 0 103 34 1 63 15 0 80 28 1 92 20 0 62 91 2 21 25 0 49 70 2 51 30 0 39 57 2 79 35 0 31 74 3 06 40 0 25 64 3 30 45 0 20 85 3 53 50 0 17 06 3 73 55 0 14 05 3 90 60 0 11 64 4 05 65 0 9...

Страница 86: ...0 57 15 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 50 5 Thermistor resistance va...

Страница 87: ...2 0 0 16 05 1 14 5 0 12 38 1 39 10 0 9 63 1 65 15 0 7 56 1 93 20 0 5 98 2 21 25 0 4 77 2 49 30 0 3 84 2 77 35 0 3 10 3 02 40 0 2 53 3 26 45 0 2 08 3 48 50 0 1 71 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 29 75 0 0 71 4 35 80 0 0 61 4 43 85 0 0 52 4 51 90 0 0 45 4 57 5 2 Outdoor unit 03 51 5 Thermistor resistance values TROUBLESHOOTING TROUBLESHOOTING ...

Страница 88: ... 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 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 20 2 61 5 0 26 88 2 94 10 0 20 72 3 24 15 0 16 12 3 52 20 0 12 64 3 76 25 0 10 00 3 96 30 0 7 97 4 14 35 0 6 40 4 28 40 0 5 18 4 40 45 0 4 21 4 50...

Страница 89: ... 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 53 5 Thermistor resistance values TR...

Страница 90: ...5 2 Outdoor unit 03 54 5 Thermistor resistance values TROUBLESHOOTING TROUBLESHOOTING ...

Страница 91: ...4 CONTROL AND FUNCTIONS 2022 08 22 SR_CH04_AS073EG_01 ...

Страница 92: ...efrost operation in heating operation stopped 04 21 7 Various control 04 22 7 1 Auto restart 04 22 7 2 MANUAL AUTO operation 04 22 7 3 Forced cooling operation 04 23 7 4 10 C HEAT operation 04 23 7 5 ECONOMY operation 04 23 7 6 POWERFUL operation 04 24 7 7 Fresh air control 04 24 7 8 Compressor preheating 04 24 7 9 External electrical heater control 04 25 7 10 Electronic expansion valve control 04...

Страница 93: ... 4 Compressor temperature protection 04 32 8 5 High pressure protection 04 32 8 6 Low outdoor temperature protection 04 32 8 7 High temperature and high pressure release control 04 33 CONTENTS continued ...

Страница 94: ......

Страница 95: ...r 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 in door fan mode and the outdoor temperature Rotation number range of compressor Unit rps Model name Minimum frequency Maximum frequency ASHH30KMTB ASHH36KMTB 15 110 Limit of maximum speed based on outdoor temperature 36 C A zone 34 C 32 C B z...

Страница 96: ...ow Rotation number range of compressor Unit rps Model name Minimum frequency Maximum frequency ASHH30KMTB ASHH36KMTB 15 120 1 3 Dry operation The rotation number of compressor 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 ro...

Страница 97: ... 390 450 570 630 Special operation Rotation number 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 op...

Страница 98: ...zone 50 C K zone 52 C H zone 31 C I zone 46 C Model name Outdoor temperature zone Limitation of compressor frequency ASHH30KMTB ASHH36KMTB 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 1 5 Rotation number of compressor limitation by outdoor temperature 04 4 1 Rotation number control of compr...

Страница 99: ... zone Limitation of compressor frequency ASHH30KMTB ASHH36KMTB A zone 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 1 5 Rotation number of compressor limitation by outdoor temperature 04 5 1 Rotation number control of compressor CONTROL AND FUNCTIONS CONTROL AND FUNCTIONS ...

Страница 100: ...dle 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 Outdoo...

Страница 101: ...ation 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 7 2 A...

Страница 102: ...30KMTB ASHH36KMTB Heating POWERFUL 1 520 HIGH 1 330 MED 1 260 MED 1 100 LOW 950 QUIET 780 Cool air prevention 600 S LOW 540 Cooling Fan POWERFUL 1 520 HIGH 1 330 MED 1 100 LOW 950 QUIET 780 Soft quiet 600 1 S LOW 540 2 Dry X zone 780 J zone 680 1 Fan mode only 2 Cooling mode only 3 1 Indoor fan control 04 8 3 Fan control CONTROL AND FUNCTIONS CONTROL AND FUNCTIONS ...

Страница 103: ... MED mode LOW mode 2 C Tr Ts 1 C 1 C Tr Ts Tr Ts 2 5 C 2 5 C Tr Ts 1 5 C 1 5 C Tr Ts Dry 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 HE...

Страница 104: ...oor heat exchanger temperature drops 39 C 37 C 30 C 37 C 34 C 32 C 28 C MED or setting fan mode LOW or setting fan mode Lower speed is selected 7 minutes later 42 C Indoor heat exchanger temperature rises HIGH or setting fan mode Indoor heat exchanger temperature drops 39 C 37 C 30 C 37 C 34 C 32 C 28 C MED or setting fan mode LOW or setting fan mode Lower speed is selected LOW or setting fan mode...

Страница 105: ...30 C 37 C 34 C 32 C 28 C POWERFUL LOW LOW LOW 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 LOW Off 10 30 60 180 60 180 60 10 30 sec In...

Страница 106: ...70 620 6 540 590 5 510 480 4 480 410 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 after de...

Страница 107: ...operation airflow will be hori zontal 1 the air direction cannot be adjusted during this period The airflow direction setting will temporarily become 1 when the temperature of the airflow is low at the 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...

Страница 108: ...r starts to swing Swinging range Cooling mode dry mode fan mode 1 to 3 1 4 Heating mode fan mode 4 to 6 3 6 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 04 14 4 Louver control CONTROL AND FUNCTIONS CONTROL AND FUNCTIONS ...

Страница 109: ...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 110: ...top 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 tempe...

Страница 111: ...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 112: ...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 113: ...ditioner will operate at a minimum of 18 C even if the SET BACK temperature is set to 17 C or lower Case of Temperature Setback 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 tem...

Страница 114: ...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 115: ...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 116: ...tdoor low noise operation Remote 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...

Страница 117: ...me as test operation By performing one of the following action test operation will be canceled Pressing the remote controller START STOP button 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 ...

Страница 118: ...n time has passed 20 minutes 7 7 Fresh air control The fan motor for Fresh Air is operated in synchronization with the indoor fan operation as below Operation Stop Operation Stop Fan motor Indoor unit Fan motor for Fresh Air 7 8 Compressor preheating By preheating the compressor warm airflow is quickly discharged when the operation is started Triggering condition 1 Outdoor temperature 20 C When ou...

Страница 119: ...and 480 pulses NOTE At the time of supplying the power to the outdoor unit the initialization of the electronic ex pansion valve is operated 528 pulses are input to the closing direction 7 11 Prevention to restart for 3 minutes 3 minutes st When the compressor fails to start for the number of times below it does not enter operation status for 3 minutes Retry number 10 Retry set number 3 When the c...

Страница 120: ... 50 7 m Energy saving function may not work when the room temperature is very different from the tem perature defined in the temperature setting such as when immediately after starting the operation Details about detection with the human sensor The human sensor detects whether there are people in the room by looking for movement by peo ple in the room 7 14 Peak cut operation The current value is l...

Страница 121: ...ity 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 the mode is changed as follows Automatic switching 1...

Страница 122: ... 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...

Страница 123: ...1 Outdoor unit 01 000 Outdoor temp 01 C or F 01 001 Discharge temp 01 C or F 01 003 Heat exchanger middle temp 01 C or F 01 004 Heat exchanger outlet temp 01 C or F 01 007 Compressor temp 01 C or F 01 042 Gas pipe pressure for outdoor unit 02 MPa 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 out...

Страница 124: ...0 0 Cooling 1 Heating 01 149 Emergency stop External input 00 0 Off 1 On 01 155 Compressor status External output 00 0 Off 1 On 01 156 Error status External output 00 0 Off 1 On 7 16 Unit status monitoring and the detected value indication 04 30 7 Various control CONTROL AND FUNCTIONS CONTROL AND FUNCTIONS ...

Страница 125: ... and the indoor unit indicator lamp starts blinking Trigger condition 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 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 c...

Страница 126: ...tion When the compressor temperature sensor detects higher than the trigger condition below the com pressor is stopped When the compressor temperature sensor detects the release condition the pro tection is released Trigger condition 108 C Release condition 80 C 3 minutes after compressor stop 8 5 High pressure protection Trigger condition Pressure switch Off Open Higher than 4 2 MPa Compressor st...

Страница 127: ... is released and the operation is returned to normal mode Zone D Heating mode Indoor unit heat exchanger temperature rises Indoor unit heat exchanger temperature drops Stable zone AB BC CD DE Zone A Zone B Zone C Zone D Zone E AB 63 C BC 55 C CD 53 C DE 50 C Zone Operation Zone A Compressor is stopped Zone B The compressor frequency is decreased 15 rps 120 sec Zone C 2 rps 120 sec Zone D The prote...

Страница 128: ...8 7 High temperature and high pressure release control 04 34 8 Various protections CONTROL AND FUNCTIONS CONTROL AND FUNCTIONS ...

Страница 129: ...5 FILED WORKING 2022 08 22 SR_CH05_AS073EG_01 ...

Страница 130: ... 2 1 Control PCB and switch buttons location 05 8 2 2 Local setting procedure 05 10 3 External input and output For indoor unit 05 12 3 1 External input 05 13 3 2 External output 05 16 3 3 Setting of external input and output 05 18 3 4 Details of control input function 05 20 3 5 Details of control output function 05 26 4 External input and output For outdoor unit 05 29 4 1 External input 05 29 4 2...

Страница 131: ...be changed if invalid numbers or setting values are selected When optional wired remote controller is used refer to the installation manual enclosed with the remote controller Entering function setting mode While pressing the POWERFUL button and TEMP button simulta neously press the RESET button to enter the function setting mode Function number Setting value Selecting the function number and sett...

Страница 132: ...ensor 4 40 Auto restart 5 42 Room temperature sensor switching 6 44 Remote controller custom code 7 46 External input control 8 48 Room temperature sensor switching Aux 9 49 Indoor unit fan control for energy saving for cooling 10 60 Switching functions for external output terminal 11 96 Special cooling operation 1 Filter sign Select appropriate intervals for displaying the filter sign on the indo...

Страница 133: ...nd 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 description Factory setting 30 For cooling 31 For heating 00 Standard setting 01 No correction 0 0 C 02 0 5 C More cooling Less heating 03 1 0 C 04 1 5 C 05 2 0 C 06 2 5 C 0...

Страница 134: ...o 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 5 Room temperature sensor switching On...

Страница 135: ...d 31 too Function number Setting value 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 ...

Страница 136: ...L Airflow Fixed at HIGH Set temperature 24 C to 30 C Function number Setting value Setting description Factory setting 96 00 Disable 01 Enable NOTES Connect the optional wired remote controller to change the setting value to Enable 01 Do not use the wireless remote controller after changing the setting value to Enable 01 If the wired remote controller becomes noncommunicable after setting Enable 0...

Страница 137: ...TART STOP button until only the clock is displayed on the remote controller display 2 Press the MODE button for at least 5 seconds to display the current custom code Initially set to 3 Press the TEMP buttons to change the custom code be tween Match the code on the display to the air condi tioner custom code Initially set to 4 Press the MODE button again to return to the clock display The custom co...

Страница 138: ...the switch buttons discharge the static electricity from your body Never touch the terminals or the patterns on the parts that are mounted on the PCB 2 1 Control PCB and switch buttons location Control PCB of the outdoor unit is located as shown in the following figure LED lamps Switch buttons 2 1 Control PCB and switch buttons location 05 8 2 Function settings For outdoor unit FIELD WORKING FIELD...

Страница 139: ... indicates the low noise level 5 PEAK CUT MODE L4 L5 and L6 Orange Lights on during Peak cut mode when local setting is activated Light pattern of L4 L5 and L6 indicates the peak cut level Switch button Function or operation method S134 MODE Switches between Local setting and Error code display S133 SELECT Switches between the individual Local settings and the Error code displays S132 ENTER Switch...

Страница 140: ...L3 LOW NOISE Blink LOW NOISE MODE 4 Press the ENTER switch button S132 L2 L3 LOW NOISE LOW NOISE MOD E Sign Lights on 5 Press 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 pre...

Страница 141: ...n 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 display Normal ...

Страница 142: ...dge Forced stop CN47 Output Operation status Error status Indoor unit fan operation status External Input and Output PCB UTY XCSXZ2 CN313 CN314 Input Operation Stop Dry contact Apply voltage Edge Pulse Forced stop CN313 Forced thermostat off Edge CN310 CN311 CN312 Output Operation status Error status Indoor unit fan operation status NOTE For details of the switching function refer to Setting of ex...

Страница 143: ...n external input and output cable with appropriate external dimension depending on the number of cables to be installed 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 CN46 PCB Connected device 1 The switch can be used on the following condition DC 12 V to 24 V 1 mA to 15 mA ...

Страница 144: ...e 1 2 3 Input 1 PCB Connected device 1 2 3 Input 2 CN313 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 device 2 1 2 3 Input 2 CN313 CN314 1 The switches can be used on the following condition DC 12 V to 24 V 1 mA to 15 mA 2 Ma...

Страница 145: ...put signal supports the following switch type Edge Alternate type switch Pulse Momentary type switch The input signal type can be selected Signal type edge or pulse can be switched by the DIP switch 2 SW302 on the External Input and Output PCB Edge Pulse The width of pulse must be longer than 200 msec NOTE The input signal supports the following switch type Edge Alternate type switch Pulse Momenta...

Страница 146: ...A For details refer to Setting of external input and output on page 05 18 When indicator etc are connected directly Example Function setting number 60 is set to 00 1 2 CN47 LED PCB Resistor Connected device When connecting with a device equipped with a power supply Example Function setting number 60 is set to 00 1 2 Connected device CN47 PCB Connected device Relay Operation status 3 2 External out...

Страница 147: ...1 1 2 CN310 LED 1 Operation status PCB Resistor Connected device 1 2 CN311 LED 2 Error status Resistor 1 2 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 CN310 PCB Connected device Relay Operation status 1 2 Connected device 2 CN311 Error status 1 ...

Страница 148: ...ed thermostat off Not available Error status Indoor unit fan operation status Not available 3 to 9 A Setting prohibited B Forced thermostat off Not available Operation status Indoor unit fan operation status Not available C Forced thermostat off Not available Operation status Error status Not available D Forced thermostat off Not available Operation status Indoor unit fan operation status Error st...

Страница 149: ...available Operation status Indoor unit fan operation status Not available C Forced thermostat off Not available Operation status Error status Not available D Forced thermostat off Not available Operation status Indoor unit fan operation status Error status NOTES The operation content depends on the setting of function setting number 46 The external input other than Operation Stop is available only...

Страница 150: ... and Output PCB CN313 Off On Operation On Off Stop On Off Remote controller On Off Indoor unit operation On CN313 Function setting External Input and Output PCB External input Input signal Command Rotary switch SW302 46 00 1 Edge External Input and Output PCB CN313 Off On Operation On Off Stop On Off Remote controller On Off Indoor unit operation On CN313 3 4 Details of control input function 05 2...

Страница 151: ...t and Output PCB CN313 Pulse Operation CN314 Stop On On Off On Off Remote controller On Off Indoor unit operation CN313 CN314 NOTES The last command has priority The indoor units within the same remote controller group operates in the same mode 3 4 Details of control input function 05 21 3 External input and output For indoor unit FIELD WORKING FIELD WORKING ...

Страница 152: ...rmal R C enabled On Off Forced stop Normal On Off Remote controller On On Indoor unit operation On CN313 Function setting External Input and Output PCB External input Input signal Command Rotary switch SW302 46 02 1 Edge External Input and Output PCB CN313 Off On Forced stop R C disabled On Off Normal R C enabled On Off Forced stop Normal On Off Remote controller On On Indoor unit operation On CN3...

Страница 153: ... controller On Off Forced stop Normal CN313 CN314 On On On Indoor unit operation NOTES When the forced stop is triggered indoor unit stops and Operation Stop operation by the remote controller is restricted When forced stop function is used with forming a remote controller group connect the same equipment to each indoor unit within the group 3 4 Details of control input function 05 23 3 External i...

Страница 154: ...n R C enabled On Off Stop R C disabled On CN313 Off On Indoor unit operation Off Remote contoller On On Off Function setting External Input and Output PCB External input Input signal Command Rotary switch SW302 46 03 1 Edge External Input and Output PCB CN313 Off On Operation R C enabled On Off Stop R C disabled On CN313 Off On Indoor unit operation Off Remote contoller On On Off 3 4 Details of co...

Страница 155: ... On NOTE When Operation Stop mode 2 function is used with forming a remote controller group connect the same equipment to each indoor unit within the group Forced thermostat off External Input and Output PCB External input Input signal Command Rotary switch 2 B C D External Input and Output PCB CN313 Off On Thermostat off On Off Normal operation On Off On Off Compressor Room temp Set temp CN313 3 ...

Страница 156: ... Rotary switch 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 On Off On Off CN310 Indoor unit operation Error status Function setting External Input and Output PCB External output Output signal Status Rotary switch 60 09 Output of indoor unit CN47 Off On Error On Off Normal 2 External Input and Output PCB CN310 Off On Error On Of...

Страница 157: ...l Input and Output PCB CN310 Off On Error On Off Normal 1 C External Input and Output PCB CN311 Off On Error On Off Normal D External Input and Output PCB CN312 Off On Error On Off Normal The output is on when an error is generated for the indoor unit Error Normal On Off CN310 311 312 Indoor unit 3 5 Details of control output function 05 27 3 External input and output For indoor unit FIELD WORKING...

Страница 158: ...ternal output Output signal Status Rotary switch 2 B D External Input and Output PCB CN311 Off On Fan run On Off Fan stop 1 External Input and Output PCB CN312 Off On Fan run On Off Fan stop Output signal Condition On The indoor unit fan is operating Off The fan is stopped or during cold air prevention During thermostat off when in dry mode operation Fan run Fan stop On Off CN47 On Off CN311 312 I...

Страница 159: ... or on off switch to a connector on the control PCB of the outdoor unit NOTE Product performance may drop depending on some conditions such as the outdoor temper ature Circuit diagram example Outdoor unit control PCB Connected unit Locally purchased Example Switch Signal 10m Connector 1 2 1 2 P580 PA580 Contact capacity DC 24 V or more 10 mA or more Make the distance from the PCB to the connected ...

Страница 160: ...580 PA580 Contact capacity DC 24 V or more 10 mA or more Make the distance from the PCB to the connected unit within 10 m Construct a circuit as shown in this figure with using optional parts mentioned below Input signal On in Peak cut mode Input signal Off in normal operation To set the level of Peak cut mode refer to Peak cut mode in Local setting proce dure on page 05 10 On Off On Off Input sig...

Страница 161: ...Outdoor unit control PCB Example Relay unit Connected unit Locally purchased Example Fan Signal Connector 1 2 1 2 10m 12 V On Off P590 On Off PA590 Output voltage Vcc DC 12 V 50 mA or less Make the distance from the PCB to the connected unit within 10 m Error Normal On Off Error status Output signal Optional part Part name Model name Exterior External Connect Kit UTY XWZXZ3 External output wire 4 ...

Страница 162: ...Fan Signal Connector 1 2 1 2 10m 12 V On Off P590 On Off PA590 Output voltage Vcc DC 12 V 50 mA or less Make the distance from the PCB to the connected unit within 10 m Operation Stop On Off Compressor status Output signal Optional part Part name Model name Exterior External Connect Kit UTY XWZXZ3 External output wire 4 2 External output 05 32 4 External input and output For outdoor unit FIELD WOR...

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