Fujitsu AOUG09LMAS1 Service Manual Download Page 34

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CONTENTS

3. TROUBLESHOOTING

1. Error code ....................................................................................................03-1

1-1. Error code table (Indoor unit and wired remote controller)..............................................03-1

2. Troubleshooting with error code ...............................................................03-2

3. Troubleshooting without error code........................................................03-27

4. Service parts information .........................................................................03-34

5. Thermistor resistance values...................................................................03-40

5-1. Indoor unit ....................................................................................................................03-40
5-2. Outdoor unit..................................................................................................................03-41

Summary of Contents for AOUG09LMAS1

Page 1: ...AIR CONDITIONER Wall mounted type SERVICE MANUAL INDOOR ASUG09LMAS ASUG12LMAS OUTDOOR AOUG09LMAS1 AOUG12LMAS1 SR_AS023EF_05 2020 03 25 ...

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 2019 12 20 SR_CH01_AS023EF_01 ...

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

Page 7: ...ooling HIGH CFM m3 h 453 770 453 770 MED 353 600 353 600 LOW 265 450 265 450 QUIET 147 250 147 250 Heating HIGH 453 770 453 770 MED 377 640 377 640 LOW 306 520 306 520 QUIET 182 310 182 310 Type Q ty Crossflow fan 1 Motor output W 49 Sound pressure level 3 Cooling HIGH dB A 43 43 MED 36 36 LOW 30 30 QUIET 19 19 Heating HIGH 43 43 MED 38 38 LOW 33 33 QUIET 21 21 Heat exchanger type Dimensions H W D...

Page 8: ... 15 FWB 9 44 CWB Pipe length 25 ft 7 5 m Height difference 0 ft 0 m Between outdoor unit and indoor unit Protective function might work when using it outside the operation range 2 Maximum current is maximum value when operated within the operation range 3 Sound pressure level Measured values in manufacturer s anechoic chamber Because of the surrounding sound environment the sound levels measured i...

Page 9: ...21 5 16 31 7 16 11 7 16 542 799 290 Gross 23 11 16 37 14 3 4 602 940 375 Weight Net lb kg 68 31 71 32 Gross 75 34 77 35 Connection pipe Size Liquid in mm Ø 1 4 Ø 6 35 Gas Ø 3 8 Ø 9 52 Method Flare Pre charge length ft m 49 15 Max length 66 20 Max height difference 49 15 Operation range Cooling F C 14 to 115 10 to 46 Heating 5 to 75 15 to 24 Drain hose Material PP Tip diameter in mm Ø 1 2 Ø 13 0 I ...

Page 10: ... 4 273 10 3 4 273 2 1 8 54 10 5 8 270 1 11 16 43 1 11 16 43 3 8 9 5 8 11 16 220 for pipe inlet Ø 2 9 16 65 for pipe inlet Ø 2 9 16 65 7 3 16 182 7 3 16 182 14 356 13 5 8 346 1 7 8 48 3 5 16 84 2 1 2 63 2 1 2 63 32 13 16 834 10 5 8 270 8 3 4 222 1 8 3 0 2 1 Indoor unit 01 4 2 Dimensions GENERAL INFORMATION GENERAL INFORMATION ...

Page 11: ...pace for product safety Wall hook bracket Outline of the indoor unit 2 50 or more 3 67 or more 2 40 or more 3 70 or more 5 107 or more 60 1 500 or more 71 1 800 or more 8 183 or more Unit in mm 2 1 Indoor unit 01 5 2 Dimensions GENERAL INFORMATION GENERAL INFORMATION ...

Page 12: ...tallation 4 M10 hole 31 7 16 799 2 11 16 68 1 5 16 33 1 3 16 30 3 4 19 21 5 16 542 13 16 20 Side view Side view Front view 11 7 16 290 1 2 13 Unit in mm Bottom view Airflow Drain port Ø1 5 8 42 Side view Valve part 4 3 4 120 4 1 4 184 7 1 16 180 1 7 16 37 15 11 16 399 Hole Hole Hole 2 2 Outdoor unit 01 6 2 Dimensions GENERAL INFORMATION GENERAL INFORMATION ...

Page 13: ...2 TECHNICAL DATA AND PARTS LIST 2020 01 28 SR_CH02_AS023EF_01 ...

Page 14: ... AOUG12LMAS1 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 AOUG09LMAS1 and AOUG12LMAS1 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 ASUG09LMAS and ASUG12LMAS 02 16 8 2 Models AOUG09LMAS1 and AOUG12LMAS1 02 17 ...

Page 15: ...ommended by the manufacturer Work Work in confined spaces shall be avoided The area around the workspace shall be sectioned off Electric shock may occur After turning off the power always wait 5 minutes before touching electrical components Do not touch the fins of the heat exchanger Touching the heat exchanger fins could result in damage to the fins or personal injury such as skin rupture Do not ...

Page 16: ...els ASUG09LMAS and ASUG12LMAS Exterior parts 18 1 4 a 5 6 8 9 10 13 16 2 17 15 12 3 14 19 20 21 b 7 11 9 22 2 1 Models ASUG09LMAS and ASUG12LMAS 02 2 2 Indoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 17: ...7597035 Wire cover assy 12 9387478020 Under cover R 13 9387596458 Front panel total assy 14 9333704005 Grille clamper R 15 9387799057 Intake grill B 16 9333719009 Grille clamper L 17 9387473001 Air filter 18 9387477023 Under cover L 19 9316177017 Drain cap 20 9316904002 Drain hose assy 21 9318912005 Remote controller holder 22 9332438772 Remote controller a Step motor holder b Front panel 2 1 Mode...

Page 18: ...aporator and control 50 51 a b c 52 d 53 54 55 56 58 57 59 e f 60 61 63 62 g 65 64 2 1 Models ASUG09LMAS and ASUG12LMAS 02 4 2 Indoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 19: ...tor 58 9387589030 Motor case assy 59 9317250009 Air clean filter assy 60 9332911008 Electric filter holder 61 9387593228 Evaporator total assy 62 9900627041 Thermistor assy 63 9387467000 Room thermistor holder 64 9333628004 Bearing D assy 65 9387055016 Crossflow fan assy a Box shield b Control box c PCB holder A d Control cover e Display case assy f Motor case g Motor cover 2 1 Models ASUG09LMAS a...

Page 20: ...UG09LMAS1 and AOUG12LMAS1 Exterior parts and Chassis 1 2 3 5 15 17 a 13 18 19 20 21 b 12 16 9 6 7 8 4 11 10 14 3 1 Models AOUG09LMAS1 and AOUG12LMAS1 02 6 3 Outdoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 21: ...00583019 Reactor assy 11 9322418005 Heat sink 12 9383720000 Drain cap assy 13 9323550025 Base assy 14 9322144003 Drain pipe 15 9317903011 Emblem 16 9384265005 Fan guard 17 9322555199 Front panel assy 18 9322136008 Propeller fan 19 9603657017 Brushless motor 20 9322553010 Motor bracket assy 21 9322274021 Condenser total assy For 09 model 9322275004 Condenser total assy For 12 model a Inverter assy ...

Page 22: ... Compressor 50 51 52 53 54 55 a 56 b A A 60 59 58 57 3 1 Models AOUG09LMAS1 and AOUG12LMAS1 02 8 3 Outdoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 23: ...9322463029 Pulse motor valve assy 55 9322474001 2 way valve assy 56 9322475008 3 way valve assy 57 9322535009 S insulator B 58 9322536020 S insulator F 59 9322537003 S insulator H 60 9323045002 S insulator V a Valve bracket b Muffler 3 1 Models AOUG09LMAS1 and AOUG12LMAS1 02 9 3 Outdoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 24: ...mall 2 Wall hook bracket 1 Cloth tape 1 Remote controller 1 Filter holder 2 Remote controller holder 1 Air cleaning filters 1 Battery 2 4 2 Outdoor unit Models AOUG09LMAS1 and AOUG12LMAS1 Part name Exterior Q ty Part name Exterior Q ty Installation manual 1 Cable tie 2 Drain pipe 1 Drain cap 5 4 1 Indoor unit 02 10 4 Accessories TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 25: ...RSRY Compact remote controller concentrates on the basic functions such as Start Stop fan control temperature setting and operation mode Wire type Non polar 2 wire Optional communication kit is necessary for installation Simple remote controller UTY RHRY Compact remote controller concentrates on the basic functions such as Start Stop fan control and temperature setting Wire type Non polar 2 wire O...

Page 26: ...al connect kit is necessary for installation Communication kit UTY TWRXZ2 Use to connect Non polar 2 core wired remote controller Wireless LAN adapter UTY TFSXF1 Remotely manage an air conditioning system using mobile devices such as smartphones and tablets 5 1 Indoor unit 02 12 5 Optional parts TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 27: ... OUTDOOR Compressor Cooling Heating ThD ThR ThPI ThO ThHO Thermistor Discharge temperature Thermistor Outdoor temperature Thermistor Heat exchanger out temperature ThD ThO ThHO Thermistor Room temperature Thermistor Pipe temperature ThR ThPI Muffler 6 1 Models AOUG09LMAS1 and AOUG12LMAS1 02 13 6 Refrigerant system diagrams TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 28: ...7 Wiring diagrams 7 1 Indoor unit Models ASUG09LMAS and ASUG12LMAS 7 1 Indoor unit 02 14 7 Wiring diagrams TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 29: ...7 2 Outdoor unit Models AOUG09LMAS1 and AOUG12LMAS1 7 2 Outdoor unit 02 15 7 Wiring diagrams TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 30: ...LASH EMI FILTER ZCAT1518 0730 2 TURNS REMOTE CONTROLLER 2 WIRE TEST INDICATOR PCB K18RB 1800HSE D0 OUTDOOR UNIT POWER SOURCE MAIN PCB ASUG09LMAS K18RA 1905HSE C1 ASUG12LMAS K18RA 1906HSE C1 CONTROL UNIT ASUG09LMAS EZ 0190HHSE ASUG12LMAS EZ 0190KHSE DC340V DC15V A DC12V DC5V DC12V DC12V 3 DC12V DC5V DC5V 2 DC5V CN5 DC Fan motor 1 3 4 5 6 7 Pin No Terminal code Vm GND Vcc Vsp FG Function of terminal...

Page 31: ...WHITE DC12V DC15V DC340V YELLOW WHITE ORANGE BLUE RED DC FAN MOTOR FM EXPANSION VALVE COIL M 12 11 10 9 8 7 6 5 4 3 2 1 P600 B12B PASK 1 WHITE TEST DC5V 2 1 P60 B2P3 VH B WHITE AC AC208 230V ON MAIN PCB AOUG09LMAS1 K17LG 1905HUE C1 AOUG12LMAS1 K17LG 1906HUE C1 INVERTER ASSEMBLY AOUG09LMAS1 EZ 01911HUE AOUG12LMAS1 EZ 01912HUE Thermistor Discharge temp 168 60 k 62 55 k 40 01 k 0 36 V 0 86 V 1 23 V T...

Page 32: ...8 2 Models AOUG09LMAS1 and AOUG12LMAS1 02 18 8 PC board diagrams TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 33: ...3 TROUBLESHOOTING 2020 01 30 SR_CH03_AS023EF_02 ...

Page 34: ...03 14 2 12 E 71 Discharge thermistor error Outdoor unit 03 15 2 13 E 73 Outdoor unit heat exchanger thermistor error Outdoor unit 03 16 2 14 E 74 Outdoor temperature thermistor error Outdoor unit 03 17 2 15 E 84 Current sensor error Outdoor unit 03 18 2 16 E 94 Trip detection Outdoor unit 03 19 2 17 E 95 Compressor motor control error Outdoor unit 03 20 2 18 E 97 Outdoor unit fan motor error Outdo...

Page 35: ... 1 times Continuous 41 E 42 Indoor unit heat exchanger sensor error Indoor unit 4 times 2 times Continuous 42 E 51 Indoor unit fan motor error Indoor unit 5 times 1 times Continuous 51 E 62 Outdoor unit main PCB error Outdoor unit 6 times 2 times Continuous 62 E 64 PFC circuit error Outdoor unit 6 times 4 times Continuous 64 E 71 Discharge thermistor error Outdoor unit 7 times 1 times Continuous 7...

Page 36: ...utdoor unit fan motor failure Check point 1 Reset the power and operate Does error indication show again If no go to Check point 1 2 Check point 2 Check connection Check any loose or removed connection line of indoor unit and outdoor unit Check connection condition is control unit If there is loose connector open cable or mis wiring If there is an abnormal condition correct it by referring to the ...

Page 37: ... 34 If outdoor fan motor is abnormal replace outdoor unit fan motor and main PCB If the checked parts are normal replace the main PCB End Check point 1 2 Check external cause such as noise Check the complete insulation of the grounding Check if there is any equipment that causes harmonic wave near the power cable Neon light bulb or any electronic equipment which causes harmonic wave End 2 1 E 11 S...

Page 38: ...oes 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 Check point 3 Check th...

Page 39: ...tor in Service parts informa tion on page 03 34 If indoor unit fan motor is abnormal replace indoor unit fan motor and main PCB End Check point 1 2 Check external cause such as noise Check the complete insulation of the grounding Check if there is any equipment that causes harmonic wave near the power cable Neon light bulb or any electronic equipment which causes harmonic wave End 2 2 E 11 Serial ...

Page 40: ...erminal After turning off the power check correct the followings Check the connection of terminal between remote controller and indoor unit and check if there is a disconnection of the cable Check point 2 Check connection If it is DC 13 V remote controller is failure Main PCB is normal Replace Remote Control If it is DC 0 V main PCB is failure Check remote controller once again Replace main PCB Ch...

Page 41: ... loose or removed connection betw een the main PCB to the external input and out put PCB If there is an abnormal condition correct it by refer to the installation manual or the DESIGN TECHNICAL MANUAL Check the connection condition on the external input and output PCB and the main PCB If there is loose connector open cable or mis wiring Check point 2 Replace the external input and output PCB If ch...

Page 42: ...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 43: ...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 44: ...et 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 40 If thermistor is either open or shorted replace it and reset the power Check point 3 Check voltage of main PCB Make sure circuit diagram of each indoor unit and check...

Page 45: ...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 40 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 indo...

Page 46: ...e 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 temp 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 moto...

Page 47: ...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 48: ...k if there is a large load electric apparatus in the same circuit Momentary power failure Check if there is a defective contact or leak current in the power sup ply circuit Noise Check if there is any equipment causing harmonic wave near electric line Neon bulb or electric equipment that may cause harmonic wave Check the complete insulation of grounding Check point 2 Check connection of Connector ...

Page 49: ...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 40 If thermistor is either open or shorted replace it and reset the power Check point 3 Check voltage of main PCB Make sure ...

Page 50: ...mistor cable is open Reset power when reinstalling due to removed connector or incorrect wiring Check point 2 Remove connector and check thermistor resistance value For the outdoor unit heat exchanger thermistor resistance value refer to Ther mistor resistance values on page 03 40 If thermistor is either open or shorted replace it and reset the power Check point 3 Check voltage of main PCB Make su...

Page 51: ...tor 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 40 If thermistor is either open or shorted replace it and reset the power Check point 3 Check voltage of main PCB Make sure circuit ...

Page 52: ...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 53: ...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 54: ...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 55: ...tion 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 temp around motor Check excessively high temperature around the motor If there is any surrounding equipment that causes he...

Page 56: ... FM FAN MOTOR BROWN NOTE For details of wiring diagram refer to Wiring diagrams in Chapter 2 TECHNICAL DATA AND PARTS LIST on page 02 14 Read wire DC voltage Red Black 280 V 10 White Black 15 1 5 V If the voltage is not correct replace Main PCB End 2 18 E 97 Outdoor unit fan motor error Outdoor unit 03 22 2 Troubleshooting with error code TROUBLESHOOTING TROUBLESHOOTING ...

Page 57: ...exchanger temperature thermistor Room temperature thermistor 4 way valve Forecast of cause Connector connection failure Thermistor failure Coil failure 4 way valve failure Main PCB failure Check point 1 Check connection of connector Check if connector is removed Check erroneous connection Check if thermistor cable is open Upon correcting the removed connector or mis wiring reset the power Check po...

Page 58: ...e If the value location is not proper replace 4 way valve Check point 4 Check the voltage of 4 way valve Check the voltage CN501 of Main PCB Check if AC 187 V AC 208 V 10 to AC 253 V AC 230 V 10 appears at CN501 of Main PCB Heating operation If it is not voltage Replace Main PCB Cooling operation If it is voltage Replace Main PCB Check point 5 Replace main PCB If Check Point 1 to 4 do not improve ...

Page 59: ...cooling 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 34 Check the strainer clogging Check point 3 Check the outdoor unit fan and heat exchanger Check for foreign o...

Page 60: ...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 26 2 Troubleshooting with error code TROUBLESHOOTING TROUBLESHOOTING ...

Page 61: ...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 62: ... harmonic wave near electric line Neon bulb or electric equipment that may cause harmonic wave Check the complete insulation of grounding Check point 3 Check electrical components Check the voltage of power supply Check if AC 187 to 253 V appears at outdoor unit terminal L1 L2 If no go to Check point 1 and Check point 2 Check fuse in main PCB If fuse is open check if the wiring between terminal an...

Page 63: ...ck if there is a large load electric apparatus in the same circuit Momentary power failure Check if there is a defective contact or leak current in the power sup ply circuit Noise Check if there is any equipment causing harmonic wave near electric line Neon bulb or electric equipment that may cause harmonic wave Check the complete insulation of grounding Check point 3 Check wired remote controller...

Page 64: ...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 65: ...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 31 3 Troubleshooting without error code TROUBLESHOOTING TROUBLESHOOTING ...

Page 66: ...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 67: ...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 33 3 Troubleshooting without error code TROUBLESHOOTING TROUBLESHOOTING ...

Page 68: ...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 69: ...ompressor BLACK WHITE RED W400 U W401 V Check point 2 Check winding resistance Check winding resistance of each terminal Resistance value 1 975 Ω 7 at 77 F 25 C R U C W S V RED WHITE BLACK If the resistance value is 0 Ω or infinite replace compressor Check point 3 Replace inverter PCB If check point 1 to 2 do not improve the symptom replace main PCB 4 2 Inverter compressor 03 35 4 Service parts in...

Page 70: ...e EEV Check point 3 Check Voltage from main PCB Remove connector and check voltage DC 12 V If it does not appear replace main PCB Check point 4 Check noise at start up Turn on the power and check the operation noise If an abnormal noise does not show replace main PCB Check point 5 Check Opening and Closing Operation of Valve When valve is closed it has a temp difference between inlet and outlet Pi...

Page 71: ...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 37 4 Service parts information TROUBLESHOOTING TROUBLESHOOTING ...

Page 72: ...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 Brown Feed back FG 4 4 Indoor unit fan ...

Page 73: ...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...

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

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

Page 76: ... 3 85 140 0 60 0 1 19 4 00 149 0 65 0 1 00 4 13 158 0 70 0 0 84 4 25 167 0 75 0 0 71 4 35 176 0 80 0 0 61 4 43 Outdoor temperature thermistor Temperature F C Resistance kΩ Voltage V 22 0 30 0 224 33 0 73 12 0 25 0 159 71 0 97 4 0 20 0 115 24 1 25 5 0 15 0 84 21 1 56 14 0 10 0 62 28 1 90 23 0 5 0 46 58 2 26 32 0 0 0 35 21 2 61 41 0 5 0 26 88 2 94 50 0 10 0 20 72 3 25 59 0 15 0 16 12 3 52 68 0 20 0 ...

Page 77: ...4 CONTROL AND FUNCTIONS 2020 03 25 SR_CH04_AS023EF_02 ...

Page 78: ...ation control 04 19 6 1 Defrost operation in heating operation stopped 04 20 7 Various control 04 21 7 1 Auto restart 04 21 7 2 MANUAL AUTO operation 04 21 7 3 Forced cooling operation 04 22 7 4 10 C HEAT operation 04 22 7 5 ECONOMY operation 04 23 7 6 POWERFUL operation 04 23 7 7 Compressor preheating 04 23 7 8 Electronic expansion valve control 04 24 7 9 Prevention to restart for 3 minutes 3 min...

Page 79: ...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 frequency range Model name Minimum frequency Maximum frequency ASUG09LMAS 12 rps 67 rps ASUG12LMAS 12 rps 89 rps Limit of maximum speed based on outdoor temperature 36 C A zone 34 C 32 C B zone 30 C 21 C C zone 19 C D zone E zone F zone 10 C 0 C 12 C 2 C Outd...

Page 80: ...C to 6 0 C of the setting temperature the compressor frequency is controlled within the range shown below Compressor frequency range Unit rps Model name Minimum frequency Maximum frequency ASUG09LMAS ASUG12LMAS 12 110 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 Out...

Page 81: ...r 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 AOUG09LMAS1 and AOUG12LMAS1 Compressor frequency soon after starting is controlled as below Frequency I Frequency II Frequency III Frequency IV Frequency V Frequency VI Frequency VII Time 1 T...

Page 82: ...LMAS1 AOUG12LMAS1 A zone 35 rps B zone 35 rps C zone 35 rps D zone 15 rps E zone 15 rps F zone 36 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 AOUG09LMAS1 AOUG12LMAS1 A zone 37 rps B zone 37 rps C zone 36 rps D zone 15 rps E zone 15 rps F zone 1 rps 1 5 Compressor frequency limitation by out...

Page 83: ...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 84: ...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 6 2 A...

Page 85: ... 630 Cool air prevention 550 S LOW 470 Cooling Fan POWERFUL 1 290 HIGH 1 220 MED 1 000 LOW 810 QUIET 550 Soft quiet 490 1 S LOW 470 2 Dry X zone 550 J zone 550 1 Fan mode only 2 Cooling mode only Fan operation Airflow can be switched in 5 steps such as AUTO QUIET LOW MED HIGH while indoor unit fan only runs When fan mode is set at AUTO it operates on MED fan speed 3 1 Indoor fan control 04 7 3 Fan...

Page 86: ...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 87: ...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 88: ...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 89: ...ing Heating Dry Cooling or dry Y zone Y zone Z zone F zone G zone S HIGH2 1 070 S HIGH1 990 1 070 HIGH1 990 1 070 10 1 070 9 990 1 070 990 350 260 200 8 990 1 070 990 350 260 200 7 820 1 040 820 350 260 200 6 820 820 820 250 200 170 5 820 700 820 220 200 170 4 740 610 740 220 200 170 3 660 510 660 220 200 170 2 610 510 610 220 200 170 1 600 510 600 220 200 170 NOTE After defrost control on the hea...

Page 90: ...IGH2 1 120 S HIGH1 990 1 120 HIGH1 990 1 120 10 1 120 9 990 1 120 990 390 320 240 8 940 1 120 940 390 320 240 7 940 940 940 390 320 240 6 940 780 940 300 240 200 5 890 690 890 250 240 200 4 790 630 790 250 240 200 3 710 570 710 250 240 200 2 660 570 660 250 240 200 1 620 570 620 250 240 200 NOTE After defrost control on the heating mode the fan speed is kept higher regardless of the compressor fre...

Page 91: ...he Heating mode After beginning of AUTO HEAT mode operated and automatic defrosting operation the airflow will be horizontal 1 However the airflow direction cannot be adjusted at beginning AUTO operation mode 4 2 Adjust the horizontal louver Move the horizontal louvers to adjust airflow direction you prefer Horizontal louver Knob 4 3 Swing operation To select vertical airflow swing operation When ...

Page 92: ...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 93: ...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 94: ...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 95: ...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 96: ...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 97: ...Tn10 5 deg Tn 6 C Tn Tnb 2 deg Tn 6 C Tn 17 C Ta 10 C Tn 7 C or Tn 20 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 ti...

Page 98: ...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 99: ...or low noise operation Remote control setting WLAN LED setting 7 2 MANUAL AUTO operation When the wireless remote controller is lost or battery power dissipated this function will work without the remote controller When MANUAL AUTO button is pressed more than 3 seconds and less than 10 seconds MANUAL AUTO operation starts as shown in the table below To stop operation press the MANUAL AUTO button f...

Page 100: ...on 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 operation is selected on the remote control...

Page 101: ...um Fan mode POWERFUL Vertical airflow direction louver setting Cooling 3 Dry Heating 6 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 102: ... Retry set number 3 When the compressor fails to start in the retry set number above the compressor is stopped 7 10 4 way valve control If heating mode is selected at the compressor start 4 way valve is energized for heating When the air conditioner is switched between cooling and heating mode compressor is stopped and the 4 way valve is switched when the 140 seconds passes and the compressor is s...

Page 103: ...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 104: ...peration mode Outdoor temp Ta Trigger condition Release condition Cooling 50 C Ta 4 0 A 3 5 A 46 C Ta 50 C 4 0 A 3 5 A 40 C Ta 46 C 5 0 A 4 5 A 12 C Ta 40 C 6 0 A 5 5 A 2 C Ta 12 C 6 0 A 5 5 A Ta 2 C 6 0 A 5 5 A Heating 17 C Ta 5 5 A 5 0 A 12 C Ta 17 C 7 0 A 6 5 A 5 C Ta 12 C 7 5 A 7 0 A Ta 5 C 8 5 A 8 0 A 8 4 Cooling pressure over rise protection When the outdoor unit heat exchanger temperature r...

Page 105: ...ble 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 25 rps 120 sec Zone C 3 rps 60 sec Zone D The protection is released and the operation is returned to normal mode Zone E 8 6 High temperature and high pressure release control 04 27 8 Various protections CONTROL AND FUNCTIO...

Page 106: ...8 6 High temperature and high pressure release control 04 28 8 Various protections CONTROL AND FUNCTIONS CONTROL AND FUNCTIONS ...

Page 107: ...5 FILED WORKING 2020 02 03 SR_CH05_AS023EF_01 ...

Page 108: ...ettings by using remote controller 05 1 1 2 Custom code setting for wireless remote controller 05 9 2 External input and output 05 10 2 1 External input 05 11 2 2 External output 05 12 2 3 Combination of external input and output 05 13 2 4 Details of function 05 14 ...

Page 109: ...ged 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 setting val...

Page 110: ... shipment If you do not know the air conditioner custom code setting try each of the custom codes until you find the code that operates the air conditioner 1 1 Function settings by using remote controller 05 2 1 Function settings FIELD WORKING FIELD WORKING ...

Page 111: ...y temperature A 14 67 Outdoor temperature zone boundary temperature B 15 95 Heat insulation condition building insulation 1 Remote controller address setting NOTE Because this setting is normally done automatically when 2 wire type wired remote con troller is installed setting is unnecessary Multiple indoor units can be operated by using one wired remote controller Set the unit number of each indo...

Page 112: ... temp Temp of the room temp sensor Correction temp value Example of correction When the temperature of the room temp sensor is 78 F and the setting value is 03 2 F the corrected temp will be 80 F 78 F 2 F The temperature correction values show the difference from the Standard setting 00 manufactur er s recommended value When Function 95 01 High insulation is set the Standard setting 00 will be the...

Page 113: ... 5 C Less cooling More heating 11 2 F 1 0 C 12 3 F 1 5 C 13 4 F 2 0 C 14 5 F 2 5 C 15 6 F 3 0 C 16 7 F 3 5 C 17 8 F 4 0 C 5 Auto restart Enables or disables automatic restart after a power interruption Function number Setting value Setting description Factory setting 40 00 Enable 01 Disable NOTE Auto restart is an emergency function such as for power outage etc Do not attempt to use this function ...

Page 114: ...e Setting description Factory setting 48 00 Both 01 Wired remote controller 10 Indoor unit fan control for energy saving for cooling Enables or disables the power saving function by controlling the indoor unit fan rotation when the outdoor unit is stopped during cooling operation Function number Setting value Setting description Factory setting 49 00 Disable 01 Enable 02 Remote controller 00 When ...

Page 115: ...ting value Setting description Factory setting Heater On Heater Off 62 00 5 4 F 3 C 1 8 F 1 C 01 3 6 F 2 C 1 8 F 1 C 02 3 6 F 2 C 1 8 F 1 C 03 5 4 F 3 C 1 8 F 1 C 04 7 2 F 4 C 1 8 F 1 C 05 9 0 F 5 C 1 8 F 1 C 13 Outdoor temperature zone boundary temperature A Setting required if changing of the outdoor temperature setting for heat pump prohibition zone is re quired when auxiliary heater control by...

Page 116: ...andard insulation 00 allows system to rapidly respond to the cooling or heating load changes High insulation 01 is when the heat insulation structure of the building is high and does not re quire system to rapidly respond to cooling or heating load changes When High insulation 01 is selected Overheating overcooling is prevented at the start up All room temperature control settings Function 30 31 3...

Page 117: ...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 118: ... signal External input and output UTY XCSXZ2 Operation Stop CN313 CN314 Dry contact Apply voltage Edge Pulse Forced stop Forced thermostat off CN313 Edge Operation status CN310 Error status CN311 Indoor unit fan operation status CN312 External heater output NOTE External input and output PCB cannot be used with Wireless LAN adapter simultaneously 05 10 2 External input and output FIELD WORKING FIE...

Page 119: ...according to the application Both types of connec tors cannot be used simultaneously Dry contact In case of internal power supply set the slide switch of SW301 to NON VOL side 1 2 3 Input 1 PCB Connected unit 1 2 3 Input 2 Connector CN313 Connector CN314 1 The switches can be used on the following condition DC 12 V to 24 V 1 mA to 15 mA Apply voltage In case of external power supply set the slide ...

Page 120: ...le Rotary SW on External input and output PCB is set to 1 1 2 Connector CN310 LED 1 Operation status PCB Resistor Connected unit 1 2 Connector CN311 LED 2 Error status Resistor 1 2 Connector CN312 LED 3 Indoor unit fan operation status Resistor When connecting with a device equipped with a power supply Example Rotary SW on External input and output PCB is set to 1 1 2 Connected device 1 Connector ...

Page 121: ... CN310 CN311 CN312 1 Operation Stop Error status Indoor unit fan operation status 2 Error status Indoor unit fan operation status External heater output 3 9 A Setting prohibited B Operation Stop Indoor unit fan operation status External heater output C Operation Stop Error status External heater output D Operation Stop Indoor unit fan operation status Error status NOTE Input of Operation Stop depe...

Page 122: ...ntroller On Off Indoor unit On CN313 In the case of Pulse input Function setting Rotary SW on External input and output PCB External input Input signal Command 46 00 1 External input and output PCB CN313 Pulse Operation CN314 Pulse Stop On On Off Operation Stop Remote controller On Off Indoor unit CN313 CN314 NOTES The last command has priority The indoor units within the same remote controller gr...

Page 123: ...rnal input and output PCB External input Input signal Command 46 02 1 External input and output PCB CN313 Pulse Forced stop CN314 Pulse Normal On Off Operation Stop Remote controller On Off Forced stop Normal CN313 CN314 On On On Indoorunit NOTES When the forced stop is triggered indoor unit stops and Operation Stop operation by the re mote controller is restricted When forced stop function is use...

Page 124: ...the case of Pulse input Function setting Rotary SW on External input and output PCB External input Input signal Command 46 03 1 External input and output PCB CN313 Pulse Operation CN314 Pulse Stop R C disabled On On Off Operation Stop Remote controller On Off Indoor unit CN313 CN314 R C disabled Off On NOTE When Operation Stop mode 2 function is used with forming a remote controller group connect ...

Page 125: ...tput PCB External input Input signal Command 2 B C External input and output PCB CN313 Off On Thermostat off On Off Normal operation On Off On Off Compressor Room temp Set temp Input 2 4 Details of function 05 17 2 External input and output FIELD WORKING FIELD WORKING ...

Page 126: ...rror On Off Normal The output is ON when an error is generated for the indoor unit Error Normal On Off CN311 312 Indoor unit Indoor unit fan operation status Rotary SW on External input and output PCB External output Output signal Command 1 External input and output PCB CN312 Off On Fan run On Off Fan stop 2 B D CN311 Off On Fan run On Off Fan stop Output signal Condition On The indoor unit fan is...

Page 127: ... on External input and output PCB External output Output signal Command 2 B C External input and output PCB CN312 Off On Heater on On Off Heater off 2 4 Details of function 05 19 2 External input and output FIELD WORKING FIELD WORKING ...

Page 128: ...y of validate or invalidate of the setting are acceptable 1 External device means Hot water Electrical heater etc 2 Sensor activation Setting change from the factory setting is required Indoor unit fan setting will be on for safety reason without sensor activation of wired remote controller Installation configuration of individual connection External heating device is installed individually No use...

Page 129: ...ove 53 6 F 12 C signal output is on and room temperature Tr increases above 69 8 F 21 C signal output is off and room temperature Tr decreases below 66 2 F 19 C signal output is on and room temperature Tr decreases below 50 F 10 C signal output is off Auxiliary heater control 2 Operation Condition Heater on Heater is on as shown in following diagram of heating temperature Heater off Heater is off ...

Page 130: ...Adjustable by function number 62 Operating temperature switching of external heaters All control temperatures will shift by adjusting Thon Tr Room temperature Ts Set temperature Thon Heater on temperature Off On Tr Ts Tr Ts Thon 0 9 F 0 5 C Tr Ts 0 9 F 0 5 C Operation status On 0 9 F 0 5 C 0 9 F 0 5 C On 12 V On Off Off 0 V Off Heating operation Heater Fan Air conditioner Room temperature Set temp...

Page 131: ...table by function number 62 Operating temperature switching of external heaters All control temperatures will shift by adjusting Thon Outdoor temperature zone boundary A and B Adjustable individually by function setting number 66 and 67 External heater output Tr Room temperature Ts Set temperature Thon Heater on temperature Off On Tr Ts 0 9 F 0 5 C Tr Ts Tr Ts Thon 0 9 F 0 5 C Outdoor temperature ...

Page 132: ...ly zone Combination zone The outdoor temperature zone transition from one to another will stay in that zone for minimum of 30 min 46 4 F 8 C 42 8 F 6 C 0 4 F 18 C 4 F 20 C NOTE In following operations compressor will be on in heat pump prohibition zone Other than heating Test run 2 4 Details of function 05 24 2 External input and output FIELD WORKING FIELD WORKING ...

Page 133: ...ed thermostat off Temperature of heater on Thon Adjustable by function number 62 Operating temperature switching of external heaters All control temperatures will shift by adjusting Thon Outdoor temperature zone boundary A Adjustable by function setting number 66 External heater output Tr Room temperature Ts Set temperature Thon Heater on temperature Off On Tr Ts 0 9 F 0 5 C Tr Ts Tr Ts Thon 0 9 F...

Page 134: ...mbination zone The outdoor temperature zone transition from one to another will stay in that zone for minimum of 30 min 46 4 F 8 C 42 8 F 6 C 0 4 F 18 C 4 F 20 C NOTE In following operations compressor will be on in heat pump prohibition zone Other than heating Test run 2 4 Details of function 05 26 2 External input and output FIELD WORKING FIELD WORKING ...

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