Fujitsu AOYG09KHCAN Service Manual Download Page 79

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5. Thermistor resistance values

5-1. Indoor unit

Room temperature thermistor

Temperature (°C)

Resistance (kΩ)

Voltage (V)

-10.0

58.2

0.73

-5.0

44.0

0.93

0.0

33.6

1.15

5.0

25.9

1.39

10.0

20.2

1.66

15.0

15.8

1.94

20.0

12.5

2.22

25.0

10.00

2.50

30.0

8.0

2.77

35.0

6.5

3.03

40.0

5.3

3.27

45.0

4.4

3.49

Heat exchanger temperature thermistor

Temperature (°C)

Resistance (kΩ)

Voltage (V)

-30.0

1,131.9

0.21

-25.0

804.5

0.29

-20.0

579.6

0.40

-15.0

422.9

0.53

-10.0

312.3

0.69

-5.0

233.2

0.88

0.0

176.0

1.10

5.0

134.2

1.36

10.0

103.3

1.63

15.0

80.3

1.92

20.0

62.9

2.21

25.0

49.7

2.51

30.0

39.6

2.79

35.0

31.7

3.06

40.0

25.6

3.30

45.0

20.8

3.53

50.0

17.1

3.73

55.0

14.1

3.90

60.0

11.6

4.05

63.0

10.4

4.14

5-1. Indoor unit

- (03-43) -

5. Thermistor resistance values

TROUBLESHOOTING

Summary of Contents for AOYG09KHCAN

Page 1: ...AIR CONDITIONER Wall mounted type SERVICE MANUAL INDOOR ASYG09KHCA ASYG12KHCA ASYG14KHCA OUTDOOR AOYG09KHCAN AOYG12KHCAN AOYG14KHCAN SR_AS032EF_03 2020 04 07 ...

Page 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 Inc App Store is a service mark of Apple Inc registered in the U S and other countries Copyright 2020 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 2020 01 27 SR_CH01_AS032EF_01 ...

Page 6: ...CONTENTS 1 GENERAL INFORMATION 1 Specifications 01 1 1 1 Indoor units 01 1 1 2 Outdoor units 01 4 2 Dimensions 01 5 2 1 Indoor unit 01 5 2 2 Outdoor unit 01 7 ...

Page 7: ...s h 1 0 1 8 1 1 1 9 1 7 3 0 Maximum operating current 1 Cooling A 6 5 7 5 9 0 Heating 10 5 11 0 11 5 Fan Airflow rate Cooling HIGH m3 h 830 900 MED 680 780 LOW 580 630 QUIET 380 440 Heating HIGH 830 900 MED 680 780 LOW 580 630 QUIET 380 500 Type Q ty Cross flow fan 1 Motor output W 61 Sound pressure level 2 Cooling HIGH dB A 42 45 MED 37 40 LOW 33 35 QUIET 23 26 Heating HIGH 41 44 MED 35 39 LOW 31...

Page 8: ...t Protective function might work when using it outside the operation range 1 Maximum current is maximum value when operated within the operation range 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 P...

Page 9: ...35 C 3 5 35 C 4 2 35 C Heating Average 2 5 10 C 3 5 10 C 4 2 10 C SEER Cooling kWh kWh 9 36 9 06 8 36 SCOP Heating Average 5 21 4 89 4 86 Annual energy consumption QCE kWh a 93 135 176 QHE Average 671 1 001 1 209 Sound power level Cooling HIGH dB A 57 57 60 Heating 57 57 60 1 1 Indoor units 01 3 1 Specifications GENERAL INFORMATION GENERAL INFORMATION ...

Page 10: ... cm3 350 Enclosure Material Steel sheet Color Beige Approximate color of Munsell 10YR 7 5 1 0 Dimensions H W D Net mm 620 790 290 Gross 713 945 395 Weight Net kg 36 Gross 40 Connection pipe Size Liquid mm in Ø 6 35 Ø 1 4 Gas Ø 9 52 Ø 3 8 Method Flare Pre charge length m 15 Max length 20 Max height difference 15 Operation range Cooling C 10 to 46 Heating 25 to 24 NOTES Specifications are based on t...

Page 11: ... ASYG09KHCA ASYG12KHCA and ASYG14KHCA Unit mm 375 for pipe inlet Ø 65 for pipe inlet Ø 65 387 Outline of unit 470 470 270 43 295 295 940 940 387 83 77 393 40 9 43 2 1 Indoor unit 01 5 2 Dimensions GENERAL INFORMATION GENERAL INFORMATION ...

Page 12: ...sufficient installation space for product safety Outline of unit Unit mm 50 or more 127 or more 50 or more 133 or more 1 500 or more 50 or more 84 or more 1 800 or more 2 1 Indoor unit 01 6 2 Dimensions GENERAL INFORMATION GENERAL INFORMATION ...

Page 13: ...view Front view Side view 18 62 290 18 20 20 9 110 620 209 352 175 320 4 ø11 3 mm hole 540 Airflow ø20 hole Bottom view 6x20 120 6x20 120 25 23 25 23 55 55 10 10 10 20 20 hole 17 5 25 10 10 hole 102 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 2020 01 27 SR_CH02_AS032EF_01 ...

Page 16: ... AOYG09KHCAN AOYG12KHCAN and AOYG14KHCAN 02 8 4 Accessories 02 12 4 1 Indoor unit 02 12 4 2 Outdoor unit 02 12 5 Optional parts 02 13 5 1 Indoor unit 02 13 6 Refrigerant system diagrams 02 15 6 1 Models AOYG09KHCAN AOYG12KHCAN and AOYG14KHCAN 02 15 7 PC board diagrams 02 16 7 1 Models ASYG09KHCA ASYG12KHCA and ASYG14KHCA 02 16 7 2 Models AOYG09KHCAN AOYG12KHCAN and AOYG14KHCAN 02 17 ...

Page 17: ...rs working in the local area shall be instructed on the nature of work being carried out Work in confined spaces shall be avoided The area around the workspace shall be sectioned off Ensure that the conditions within the area have been made safe by control of flammable ma terial Electric shock may occur After turning off the power always wait 5 minutes before touching electrical components Do not ...

Page 18: ... holder 3 9332911008 Electric filter holder 4 9317250009 Air clean filter assy 5 9380997009 Air filter 6 9320459000 Front panel sub assy 7 9320449001 Intake grille assy 8 9318786002 Wire cover 9 9318849028 Louver 10 9319232096 Diffuser assy 11 9318861013 Bracket panel 12 9318827002 Wire shield 2 1 Models ASYG09KHCA ASYG12KHCA and ASYG14KHCA 02 2 2 Indoor unit parts list TECHNICAL DATA AND PARTS LI...

Page 19: ...CB for 09 model 9710368424 Main PCB for 12 model 9710368431 Main PCB for 14 model 53 9900720025 Terminal 54 9709642023 Display assy 55 9379930000 Room thermistor holder 56 9900627003 Thermistor assy a Cover shield 2 1 Models ASYG09KHCA ASYG12KHCA and ASYG14KHCA 02 3 2 Indoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 20: ... assy 101 9603253066 Fan motor 102 9315024060 Crossflow fan assy 103 9306628024 Bearing C assy 104 9316568006 Motor cover 105 9316601000 Motor cover 106 9319171180 Casing total assy 2 1 Models ASYG09KHCA ASYG12KHCA and ASYG14KHCA 02 4 2 Indoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 21: ...art name Service part 150 9319776002 Outlet cover assy 151 9319173085 Motor case assy 152 9319172101 Casing assy 2 1 Models ASYG09KHCA ASYG12KHCA and ASYG14KHCA 02 5 2 Indoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 22: ...L and R 203 9319150000 Louver link holder 204 9317507004 Link A 205 9900384135 Step motor Louver 206 9318748000 Gear cover A 207 9318749007 Louver gear A 208 9900384142 Step motor Diffuser 209 9318750003 Gear cover B 210 9316616004 Louver gear B 2 1 Models ASYG09KHCA ASYG12KHCA and ASYG14KHCA 02 6 2 Indoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 23: ...3 Casing cover B 253 9318830002 Casing cover L 254 9318831009 Casing cover R 255 9319229027 L and R louver assy 256 9320458003 Fan guard 257 9318743029 Pipe bracket 258 9316177017 Drain cap 259 9316904019 Drain hose assy 2 1 Models ASYG09KHCA ASYG12KHCA and ASYG14KHCA 02 7 2 Indoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 24: ...e Service part 1 9900565008 Thermistor Outdoor temp 2 9313954031 Thermistor holder 3 9332492002 Protective net 4 9317939188 Top panel assy 5 9318499001 Switch cover assy 6 9317588003 Grip 3 1 Models AOYG09KHCAN AOYG12KHCAN and AOYG14KHCAN 02 8 3 Outdoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 25: ...assy 54 9318462081 Cabinet right assy 55 9313808013 Propeller fan 56 9603495008 Brushless DC motor 57 9316041011 Motor bracket assy 58 9900616045 Heater unit assy 59 9900616045 Heater holder A 60 9318651003 Heater holder B 61 9316885059 Base assy 3 1 Models AOYG09KHCAN AOYG12KHCAN and AOYG14KHCAN 02 9 3 Outdoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 26: ...del 101 9900380007 Terminal 102 9319540030 Heat sink 103 9900935016 Thermistor assy 104 9319731025 Noise insulator A 105 9322211002 Noise insulator F 106 9313371012 S insulator H a Shield panel b PCB holder c Terminal bracket d Inverter case assy 3 1 Models AOYG09KHCAN AOYG12KHCAN and AOYG14KHCAN 02 10 3 Outdoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 27: ... sub assy 152 9970095078 Expansion valve coil 153 9318252026 2 way valve assy 154 9320411008 3 way valve assy 155 9300198004 4 way valve assy 156 9970195006 Solenoid 157 9322196002 Compressor assy for 09 and 12 models 9322065001 Compressor assy for 14 model a Special nut b Rubber cushion 3 1 Models AOYG09KHCAN AOYG12KHCAN and AOYG14KHCAN 02 11 3 Outdoor unit parts list TECHNICAL DATA AND PARTS LIS...

Page 28: ...ket 1 Installation manual 1 Tapping screw large 5 Remote controller 1 Tapping screw small 2 Battery 2 Air cleaning filter 2 Remote controller holder 1 Filter holder 2 4 2 Outdoor unit Models AOYG09KHCAN AOYG12KHCAN and AOYG14KHCAN Part name Exterior Q ty Part name Exterior Q ty Installation manual 1 4 1 Indoor unit 02 12 4 Accessories TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 29: ...he temperature accurately with built in thermo sensor Wire type Polar 3 wire Optional communication kit is necessary for installation Simple remote controller UTY RSNYM Compact remote controller concentrates on the basic functions such as Start Stop fan control temperature setting and operation mode Wire type Polar 3 wire Optional communication kit is necessary for installation NOTE Available func...

Page 30: ...1 Use to connect with optional devices and air conditioner PCB Optional External connect kit is necessary for installation Wireless LAN adapter UTY TFNXZ1 Remotely manage an air conditioning system using mobile devices such as smartphones and tablets 5 1 Indoor unit 02 14 5 Optional parts TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 31: ...ge temp Thermistor Outdoor temp Thermistor Heat exchanger out temp ThO ThHO Compressor Muffler Muffler Heat exchanger INDOOR Heat exchanger OUTDOOR 3 Way valve 2 Way valve Cooling Heating Receiver Strainer Strainer Expansion valve 6 1 Models AOYG09KHCAN AOYG12KHCAN and AOYG14KHCAN 02 15 6 Refrigerant system diagrams TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 32: ...EMP LOUVER UP DOWN LOUVER RIGHT LEFT DIFFUSER TEST EARTH TERMINAL FAN MOTOR F M 09 model EZ 0190LHSE CONTROL UNIT 12 model EZ 0190MHSE 14 model EZ 0190PHSE MAIN PCB 09 model K15CA 1904HSE C1 12 model K15CA 1905HSE C1 14 model K15CA 1906HSE C1 INDICATOR PCB K12JZ 1200HSE D0 COMMUNICATION KIT UTY TWBXF1 OPTION External connection kit UTY XWZXZ5 PYROELECTRIC SENSOR FJZ 10 DC340V DC5V DC15V DC340V DC5...

Page 33: ... 1 Red 5 White P30 Expansion Valve Coil 46 0 20 Recommended Drive Condition Unipolar Drive 1 2 Phase Excitation Coil resistance 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 DC Resistance 2 780 20 U ...

Page 34: ...7 2 Models AOYG09KHCAN AOYG12KHCAN and AOYG14KHCAN 02 18 7 PC board diagrams TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 35: ...3 TROUBLESHOOTING 2020 03 19 SR_CH03_AS032EF_01 ...

Page 36: ...oor unit 03 16 2 13 E 73 Outdoor unit heat exchanger thermistor error Outdoor unit 03 17 2 14 E 74 Outdoor temperature thermistor error Outdoor unit 03 18 2 15 E 84 Current sensor error Outdoor unit 03 19 2 16 E 94 Trip detection Outdoor unit 03 20 2 17 E 95 Compressor motor control error Outdoor unit 03 21 2 18 E 97 Outdoor unit fan motor error Outdoor unit 03 22 2 19 E 99 4 way valve error Outdo...

Page 37: ... 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 times 1 times Continuous 71 E 73 Ou...

Page 38: ...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 condition correct it by referring to the...

Page 39: ...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...

Page 40: ...he power and operate Does error indication show again If no go to Check point 1 2 Check point 2 Check connection Check any loose or removed connection line of indoor unit and outdoor unit Check connection condition is control unit If there is loose connector open cable or mis wiring If there is an abnormal condition correct it by referring to the installation manual or the DESIGN TECHNICAL MANUAL ...

Page 41: ... on page 03 35 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...

Page 42: ...f 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 5 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 ...

Page 43: ...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 44: ...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 45: ...pen 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 43 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 an...

Page 46: ...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 room thermistor resistance value refer to Thermistor resistance values on page 03 43 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 ea...

Page 47: ...n 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 unit fan m...

Page 48: ...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 49: ...or Voltage drop 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 Ch...

Page 50: ...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 51: ...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 11 E 65 IPM error Outdoor unit 03 15 2 Troubleshooting with error code TROUBLESHOOTING TROUBLESHOOTING ...

Page 52: ...eck 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 43 If thermistor is either open or shorted replace it and reset the power Check point 3 Check voltage of main PCB Mak...

Page 53: ...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 unit heat exchanger thermistor resistance value refer to Ther mistor resistance values on page 03 43 If thermistor is either open or shorted replace it and reset the power Check point 3 Check voltage of main PCB ...

Page 54: ...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 43 If thermistor is either open or shorted replace it and reset the power Check point 3 Check voltage of main PCB Make sure c...

Page 55: ...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 56: ...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 57: ...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 58: ...n by surrounding temperature rise Main PCB failure Outdoor unit fan motor Check point 1 Check rotation of fan Rotate the fan by hand when operation is off Check if fan is caught dropped off or locked motor If fan or bearing is abnormal replace it Check point 2 Check ambient temperature around motor Check excessively high temperature around the motor If there is any surrounding equipment that cause...

Page 59: ...W RED FM FAN MOTOR BROWN NOTE For details of wiring diagram refer to Wiring diagrams in Chapter 2 TECHNICAL DATA AND PARTS LIST Read wire DC voltage Red Black 240 400 V White Black 13 5 16 5 V If the voltage is not correct replace Main PCB End 2 18 E 97 Outdoor unit fan motor error Outdoor unit 03 23 2 Troubleshooting with error code TROUBLESHOOTING TROUBLESHOOTING ...

Page 60: ...nger 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 point 2...

Page 61: ...cation is not proper replace 4 way valve Check point 4 Check the voltage of 4 way valve Check the voltage CN30 for 9 12 model and CN500 for 14 model of Main PCB Check if AC 270 V AC 230 V 10 to AC 253 V AC 230 V 10 appears at CN30 for 9 12 model and CN500 for 14 model of Main PCB Heating operation If it is not voltage Replace Main PCB Cooling operation If it is voltage Replace Main PCB Check point...

Page 62: ...ling operation check gas side of the 3 way valve For heating operation check liquid side of the 3 way valve Check point 2 Check the electronic expansion valve EEV and strainer Check if EEV open Refer to outdoor unit Electronic Expansion Valve EEV in Service parts information on page 03 35 Check the strainer clogging Check point 3 Check the outdoor unit fan and heat exchanger Check for foreign obje...

Page 63: ...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 20 E A1 Discharge temperature error Outdoor unit 03 27 2 Troubleshooting with error code TROUBLESHOOTING TROUBLESHOOTING ...

Page 64: ...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 65: ...g 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 main PCB If fuse is open check if the wiring between terminal and...

Page 66: ... Check external cause at indoor and outdoor Voltage drop 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 Chec...

Page 67: ...ation condition Check 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 t...

Page 68: ...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 32 3 Troubleshooting without error code TROUBLESHOOTING TROUBLESHOOTING ...

Page 69: ...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 70: ...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 34 3 Troubleshooting without error code TROUBLESHOOTING TROUBLESHOOTING ...

Page 71: ...defect of 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 in this chapter End Check main PCB connection of...

Page 72: ...ct wiring Main PCB W402 W Compressor BLACK WHITE RED W400 U W401 V Check point 2 Check winding resistance Check winding resistance of each terminal Resistance value 1 910 Ω at 20 C U R W C V S 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 3...

Page 73: ...replace EEV Check point 3 Check voltage from main PCB Remove connector and check voltage DC 12 V If it does not appear replace main PCB Check point 4 Check noise at start up Turn on the power and check the operation noise If an abnormal noise does not show replace main PCB Check point 5 Check opening and closing operation of valve When valve is closed it has a temp difference between inlet and out...

Page 74: ...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 38 4 Service parts information TROUBLESHOOTING TROUBLESHOOTING ...

Page 75: ...ance of indoor fan motor Refer to below Circuit test Vm and GND terminal NOTE Vm DC voltage GND Earth terminal If they are short circuited below 300 kΩ replace indoor fan motor and controller PCB Pin number wire color Terminal function symbol 1 Blue Feed back FG 2 Yellow Speed command Vsp 3 White Control voltage Vcc 4 Black Earth terminal GND 5 No function 6 Red DC voltage Vm 4 4 Indoor unit fan m...

Page 76: ... outdoor fan motor Refer to below Circuit test Vm and GND terminal NOTE Vm DC voltage GND Earth terminal If they are short circuited below 300 kΩ replace outdoor fan motor and controller PCB Pin number wire color Terminal function symbol 1 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...

Page 77: ...ECHNICAL DATA AND PARTS LIST Check point 2 Check electrical components Check Check Fuses If Fuse is open check connection and replace Fuse Check point 3 Check heater wire Remove connector check each winding resistance of heater wire Read wire Resistance value Black White 321 0 to 366 0 Ω at 25 C If Resistance value is abnormal replace heater Unit 4 6 Heater unit 03 41 4 Service parts information T...

Page 78: ...lenoid Coil Check Point 3 Check Operation of 4 Way Valve Check each piping temperature and confirm the location of the valve by the temperature difference Heating Operation Heating Operation DC SOLENOID COIL 4WAY VALVE HOT GAS HOT GAS ON Cooling Operation Cooling Operation DC SOLENOID COIL 4WAY VALVE HOT GAS HOT GAS OFF If the valve location is not proper replace 4 way valve Check Point 4 Replace ...

Page 79: ... 4 4 3 49 Heat exchanger temperature thermistor Temperature C Resistance kΩ Voltage V 30 0 1 131 9 0 21 25 0 804 5 0 29 20 0 579 6 0 40 15 0 422 9 0 53 10 0 312 3 0 69 5 0 233 2 0 88 0 0 176 0 1 10 5 0 134 2 1 36 10 0 103 3 1 63 15 0 80 3 1 92 20 0 62 9 2 21 25 0 49 7 2 51 30 0 39 6 2 79 35 0 31 7 3 06 40 0 25 6 3 30 45 0 20 8 3 53 50 0 17 1 3 73 55 0 14 1 3 90 60 0 11 6 4 05 63 0 10 4 4 14 5 1 In...

Page 80: ... 100 9 0 57 15 0 79 1 0 71 20 0 62 5 0 86 25 0 49 8 1 03 30 0 40 0 1 23 35 0 32 4 1 43 40 0 26 3 1 65 45 0 21 6 1 88 50 0 17 8 2 11 55 0 14 8 2 34 60 0 12 3 2 57 65 0 10 3 2 79 70 0 8 7 3 00 75 0 7 4 3 19 80 0 6 3 3 37 85 0 5 4 3 54 90 0 4 6 3 69 95 0 4 0 3 83 100 0 3 4 3 96 105 0 3 0 4 07 110 0 2 6 4 17 115 0 2 3 4 26 120 0 2 0 4 33 5 2 Outdoor unit 03 44 5 Thermistor resistance values TROUBLESHO...

Page 81: ... 1 7 3 68 55 0 1 4 3 85 60 0 1 2 4 00 65 0 1 0 4 13 70 0 0 8 4 25 75 0 0 7 4 35 80 0 0 6 4 43 Outdoor temperature thermistor Temperature C Resistance kΩ Voltage V 30 0 224 3 0 73 25 0 159 7 0 97 20 0 115 2 1 25 15 0 84 2 1 56 10 0 62 3 1 90 5 0 46 6 2 26 0 0 35 2 2 61 5 0 26 9 2 94 10 0 20 7 3 25 15 0 16 1 3 52 20 0 12 6 3 76 25 0 10 0 3 97 30 0 8 0 4 14 35 0 6 4 4 28 40 0 5 2 4 41 45 0 4 2 4 51 5...

Page 82: ...5 2 Outdoor unit 03 46 5 Thermistor resistance values TROUBLESHOOTING TROUBLESHOOTING ...

Page 83: ...4 CONTROL AND FUNCTIONS 2020 04 07 SR_CH04_AS032EF_01 ...

Page 84: ... operation in heating operation stopped 04 23 7 Various control 04 24 7 1 Auto restart 04 24 7 2 MANUAL AUTO operation 04 24 7 3 Forced cooling operation 04 25 7 4 10 C HEAT operation 04 25 7 5 ECONOMY operation 04 26 7 6 POWERFUL operation 04 26 7 7 Compressor preheating 04 26 7 8 Electronic expansion valve control 04 27 7 9 Prevention to restart for 3 minutes 3 minutes st 04 27 7 10 4 way valve ...

Page 85: ...emperature is 1 0 C lower than a set temperature the compressor will be stopped When the room temperature is within the range of 6 0 C to 1 0 C of the setting temperature the compressor frequency is controlled within the range shown in the table below However the maxi mum frequency is limited in the range shown in the figure below based on the indoor fan mode and the outdoor temperature Compressor...

Page 86: ...or temperature zone Indoor unit fan mode HIGH MED LOW QUIET ASYG09KHCA ASYG12KHCA A zone 74 36 30 18 B zone 74 36 30 18 C zone 74 36 30 18 D zone 42 24 20 14 E zone 42 24 20 14 F zone 39 24 20 14 ASYG14KHCA A zone 74 32 26 20 B zone 74 32 26 20 C zone 54 32 26 20 D zone 36 24 18 14 E zone 36 24 18 14 F zone 36 24 18 14 1 1 Cooling operation 04 2 1 Compressor frequency control CONTROL AND FUNCTIONS...

Page 87: ...d within the range shown below Compressor frequency range Unit rps Model name Minimum frequency Maximum frequency ASYG09KHCA ASYG12KHCA 8 120 ASYG14KHCA 8 120 Limit of maximum speed based on outdoor temperature In heating operation maximum frequency is defined by outdoor temperature and fan mode A zone 12 C B zone 14 C C zone 10 C 12 C Outdoor temperature rises Outdoor temperature drops Unit rps M...

Page 88: ...YG14KHCA X zone 20 J zone 12 Y zone 0 Compressor control based on room temperature Ts 0 5 C Ts 1 5 C Ts 0 5 C Ts 1 5 C X zone J zone Y zone Room temperature drops Room temperature rises Ts Set temperature 1 4 Compressor frequency at normal start up Models AOYG09KHCAN AOYG12KHCAN and AOYG14KHCAN Compressor frequency soon after starting is controlled as below Frequency I Frequency II Frequency III F...

Page 89: ...12KHCAN AOYG14KHCAN A zone 18 rps B zone 18 rps C zone 18 rps D zone 1 rps E zone 1 rps F zone 22 rps Heating mode F zone 19 C E zone 5 C D zone 0 C C zone B zone A zone 15 C 25 C Model name Outdoor temperature zone Limitation of compressor frequency AOYG09KHCAN AOYG12KHCAN AOYG14KHCAN A zone 39 rps B zone 39 rps C zone 17 rps D zone 10 rps E zone 1 rps F zone 1 rps 1 5 Compressor frequency limita...

Page 90: ...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...

Page 91: ...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...

Page 92: ... prevention 600 600 S LOW 540 540 Cooling Fan POWERFUL 1 320 1 370 HIGH 1 100 1 210 MED 940 1 040 LOW 820 880 QUIET 600 680 Soft quiet 540 1 600 1 S LOW 540 2 540 2 Dry X zone 600 J zone 600 X zone 680 J zone 640 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 operat...

Page 93: ...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 HEAT operation modes QUIET LOW MED HIGH as shown in Fan speed above Airflow change over...

Page 94: ...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...

Page 95: ...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...

Page 96: ...perature drops 12 C 2 C 19 C 10 C 0 C Unit rpm Fan step Cooling Heating Dry Cooling or dry at low outdoor temp Y zone Y zone Z zone F zone G zone S HIGH2 1 100 S HIGH1 1 050 1 100 HIGH 1 050 1 100 10 1 100 9 1 050 1 100 1 050 1 050 270 190 8 1 050 850 1 050 1 050 270 190 7 1 030 760 1 030 1 030 220 190 6 870 670 870 870 220 190 5 770 670 770 770 220 190 4 570 670 570 570 220 190 3 510 510 510 510 ...

Page 97: ...g Dry Cooling or dry at low outdoor temp Y zone Y zone Z zone F zone G zone S HIGH2 1 100 S HIGH1 1 050 1 100 HIGH 1 050 1 100 10 1 100 9 1 050 1 100 1 050 1 050 270 190 8 1 050 850 1 050 1 050 270 190 7 1 030 760 1 030 1 030 220 190 6 870 670 870 870 220 190 5 770 510 770 770 220 190 4 570 470 570 570 220 190 3 510 470 510 510 220 190 2 400 420 400 400 220 190 1 400 420 400 400 220 190 3 2 Outdoo...

Page 98: ...g Dry Cooling or dry at low outdoor temp Y zone Y zone Z zone F zone G zone S HIGH2 1 100 S HIGH1 1 050 1 100 HIGH 1 050 1 100 10 1 100 9 1 050 1 100 1 050 1 050 270 190 8 1 050 850 1 050 1 050 270 190 7 1 030 760 1 030 1 030 220 190 6 870 670 870 870 220 190 5 770 510 770 770 220 190 4 570 470 570 570 220 190 3 510 420 510 510 220 190 2 400 420 400 400 220 190 1 400 420 400 400 220 190 3 2 Outdoo...

Page 99: ...tal 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 AUTO operation mode 4 2 Horizonta...

Page 100: ... range Cooling mode dry mode fan mode 1 to 5 1 5 Heating mode fan mode 6 to 8 5 8 assist louver works with the vertical airflow direction louver notch 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 16 4 Louver control CONTROL AND FUNCTIONS CONTROL AND FUNCTIONS ...

Page 101: ...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 102: ...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...

Page 103: ...imer The program timer allows the off timer and the on timer to be used in combination one time Operation mode Stop mode Stop mode Stop mode Operation mode Operation mode Set time Set time Set time Set time Operation will start from the timer setting either off timer and on timer whichever is closest to the clock current timer setting The order of operations is indicated by the allow in the remote...

Page 104: ...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...

Page 105: ...ner will operate at a minimum of 18 C even if the SET BACK temperature is set to 17 C or lower Case of SET BACK timer on the Cooling operation Setting temperature 22 C SET BACK temperature 26 C SET BACK setting Operation temperature Operation temperature 26 C 22 C 26 C 22 C 24 C 1 ON OFF OFF ON 1 During the SET BACK function the setting temperature is changed Chenge the setting temperature 22 C 24...

Page 106: ...10 5 deg Tn 6 C Tn Tnb 2 deg Tn 6 C Tn 17 C Ta 10 C Tn Ta 7 C or Tn 30 C Ta 10 C Integrating defrost Constant monitoring Compressor integrating 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 3 C Tn 5 C Count of the compressor off 40 times If the compressor continuous operation t...

Page 107: ...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...

Page 108: ...HEAT operation Outdoor low noise operation 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 Operati...

Page 109: ...me during the forced cooling operation They blink for 1 second ON and 1 second OFF on both operation LED and timer LED same 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 operati...

Page 110: ...um Fan mode POWERFUL Vertical airflow direction louver setting Cooling 3 Dry Heating 7 Release condition Cooling Dry Room temperature Setting temperature 0 5 C or Operation time has passed 20 minutes Heating Room temperature Setting temperature 0 5 C or Operation time has passed 20 minutes 7 7 Compressor preheating By preheating the compressor warm airflow is quickly discharged when the operation ...

Page 111: ...e number of times below it does not enter operation status for 3 minutes Retry number 50 Retry set number 3 When the compressor fails to start in the retry set number above the compressor is stopped 7 10 4 way valve control If heating mode is selected at the compressor start 4 way valve is energized for heating When the air conditioner is switched between cooling and heating mode compressor is sto...

Page 112: ...ximum 4 C Minimum setting temperature 16 C Auto Energy saving function is performed automatically for the selected mode cool heat dry Application range Vertical angle 90 Side view Horizontal angle 100 Top view 90 7 m 50 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 start...

Page 113: ...s stopped and the indoor unit LED starts blinking Trigger condition 104 C Compressor frequency 20 rps 120 seconds Release condition 101 C Compressor protection temperature 110 C 8 2 Anti freezing control cooling and dry mode The compressor frequency is decrease in cooling and dry mode when the indoor unit heat exchang er temperature sensor detects the temperature lower than the trigger condition W...

Page 114: ...on Release condition Cooling 50 C Ta 4 5 A 4 0 A 46 C Ta 50 C 4 5 A 4 0 A 40 C Ta 46 C 6 0 A 5 5 A 12 C Ta 40 C 6 5 A 6 0 A 2 C Ta 12 C 6 5 A 6 0 A Ta 2 C 6 5 A 6 0 A Heating 17 C Ta 7 0 A 6 5 A 12 C Ta 17 C 9 0 A 8 5 A 5 C Ta 12 C 10 0 A 9 5 A Ta 5 C 10 0 A 9 5 A Model AOYG14KHCAN Operation mode Outdoor temp Ta Trigger condition Release condition Cooling 50 C Ta 4 5 A 4 0 A 46 C Ta 50 C 4 5 A 4 0...

Page 115: ...e sensor detects lower than the trigger condition below the compres sor is stopped Operation mode Cooling Dry Heating Trigger condition 15 C 20 C Release condition 10 C 15 C 8 8 High temperature and high pressure release control The compressor is controlled as follows Models AOYG09KHCAN AOYG12KHCAN and AOYG14KHCAN Indoor unit heat exchanger temperature rises Indoor unit heat exchanger temperature ...

Page 116: ...8 8 High temperature and high pressure release control 04 32 8 Various protections CONTROL AND FUNCTIONS CONTROL AND FUNCTIONS ...

Page 117: ...5 FILED WORKING 2020 04 07 SR_CH05_AS032EF_01 ...

Page 118: ...NG 1 Function settings 05 1 1 1 Function settings by using remote controller 05 1 1 2 Custom code setting for wireless remote controller 05 5 2 External input and output 05 6 2 1 External input 05 6 2 2 External output 05 9 ...

Page 119: ... 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 settin...

Page 120: ...ding to the estimated amount of dust in the air of the room If the indication is not required select No indication 03 Function number Setting value Setting description Factory setting 11 00 Standard 400 hours 01 Long interval 1 000 hours 02 Short interval 200 hours 03 No indication 2 Room temperature sensor control for cooling Depending on the installed environment correction of the room temperatu...

Page 121: ...code Only for wireless remote controller The indoor unit custom code can be changed Select the appropriate custom code Function number Setting value Setting description Factory setting 44 00 A 01 B 02 C 03 D 7 External input control Operation Stop mode or Forced stop mode can be selected Function number Setting value Setting description Factory setting 46 00 Operation Stop mode 01 Setting prohibit...

Page 122: ...ion number Setting value Setting description Factory setting 49 00 Disable 01 Enable 00 When the outdoor unit is stopped the indoor unit fan operates continuously following the setting on the remote controller 01 When the outdoor unit is stopped the indoor unit fan operates intermittently at a very low speed 1 1 Function settings by using remote controller 05 4 1 Function settings FIELD WORKING FI...

Page 123: ...ss the START 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 c...

Page 124: ...e wire connection should be separate from the power cable line Control input Operation Stop or Forced stop The air conditioner can be remotely operated by means of the following on site work Unit operation is started at the following contents by adding the contact input of a commercial on off switch to a connector on the external control PCB and turning it on Unit operation Initial setting after p...

Page 125: ...Off Input signal Indoor unit When function setting is Forced stop mode Remote controller On On On Input signal Indoor unit Command Remote control operation invalidity On Off Operation Stop Forced stop Normal When function setting is Operation Stop mode 2 On Input Off Operation Indoor unit Stop R C disabled Remote controller On On Off NOTE When Operation Stop mode 2 function is used with forming a ...

Page 126: ...t UTY XWZXZ5 External input wire Communication kit UTY TWBXF1 For operating the external function the wall mounted type requires the communication kit in addi tion to the wire UTY XWZXZ5 2 1 External input 05 8 2 External input and output FIELD WORKING FIELD WORKING ...

Page 127: ...ple Relay unit 1 2 Signal Relay power supply V Connector 10 m DC 24 V Make the distance from the PCB to the connected unit within 10 m Relay spec Max DC 24 V 10 mA to less than 500 mA On Off Operation Stop Indoor unit Output signal Optional part Part name Model name Exterior External connect kit UTY XWZXZ5 External output wire Communication kit UTY TWBXF1 For operating the external function the wa...

Page 128: ... the connected unit within 10 m Relay spec Max DC 24 V 10 mA to less than 500 mA On Off Error Normal Error status Output signal Optional part Part name Model name Exterior External connect kit UTY XWZXZ5 External output wire Communication kit UTY TWBXF1 For operating the external function the wall mounted type requires the communication kit in addition to the wire UTY XWZXZ5 2 2 External output 05...

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