Fujitsu AOUG09LZAS1 Service Manual Download Page 112

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Check point 2

Set tester to the diode mode, and measure the voltage value between the following terminals.

Judge the result of 4 as follows:

Terminal

Tester screen

Tester

(+)

(-)

∞

0.3 to 0.7 V

∞

5-6. IPM on transistor PCB

- (03-76) -

5. Service parts information

TROUBLESHOOTING

Summary of Contents for AOUG09LZAS1

Page 1: ...AIR CONDITIONER Wall mounted type SERVICE MANUAL INDOOR ASUG09LZAS ASUG12LZAS ASUG15LZAS OUTDOOR AOUG09LZAS1 AOUG12LZAS1 AOUG15LZAS1 SR_AS024EF_09 2022 10 12 ...

Page 2: ...ease check with our authorized dealer Trademarks FGLair is trademark of Fujitsu General Limited in the United States other countries or both Google Play is trademark of Google LLC App Store is a service mark of Apple Inc registered in the U S and other countries Copyright 2020 2022 Fujitsu General Limited All rights reserved ...

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

Page 4: ......

Page 5: ...1 GENERAL INFORMATION 2022 10 12 SR_CH01_AS024EF_03 ...

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: ... 15 8 15 7 SEER2 Cooling Btu hW 33 1 29 4 25 3 HSPF2 Heating Btu hW 13 4 12 9 12 8 Power factor Cooling 87 90 94 Heating 87 93 96 Moisture removal pints h L h 2 5 1 2 2 7 1 3 4 0 1 9 Maximum operating current 3 Cooling A 9 4 9 9 Heating 10 9 13 4 Fan Airflow rate Cooling HIGH CFM m3 h 542 920 583 990 MED 406 690 459 780 LOW 312 530 312 530 QUIET 206 350 241 410 Heating HIGH 542 920 600 1 020 MED 4...

Page 8: ...l WLAN Adapter is also required For details refer to the setting manual M condition Model name ASUG09LZAS ASUG12LZAS ASUG15LZAS Capacity Cooling Rated kW 2 64 3 52 4 25 Btu h 9 000 12 000 14 500 Min Max kW 0 91 3 52 0 91 3 99 0 91 5 39 Btu h 3 100 12 000 3 100 13 600 3 100 18 400 Heating Rated kW 3 52 4 69 5 28 Btu h 12 000 16 000 18 000 Min Max kW 0 91 6 45 0 91 6 48 0 91 7 00 Btu h 3 100 22 000 ...

Page 9: ... 11 7 16 632 799 290 Gross 27 1 4 37 14 3 4 692 940 375 Weight Net lb kg 84 38 86 39 Gross 95 43 Connection pipe Size Liquid in mm Ø1 4 Ø6 35 Gas Ø3 8 Ø9 52 Ø1 2 Ø12 7 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 21 to 24 Drain hose Material PP Tip diameter in mm Ø1 2 Ø13 0 I D Ø5 8 to 11 16 Ø1...

Page 10: ...f indoor unit 1 7 16 37 1 7 16 37 15 3 4 400 3 9 16 90 16 1 4 413 3 1 16 77 2 7 8 73 16 7 16 417 2 3 8 61 16 7 8 429 4 1 2 115 2 13 16 72 for pipe inlet Ø 2 9 16 65 for pipe inlet Ø 2 9 16 65 38 9 16 980 9 7 16 240 11 280 2 1 Indoor unit 01 4 2 Dimensions GENERAL INFORMATION GENERAL INFORMATION ...

Page 11: ...pace for product safety Unit in mm Wall hook bracket Outline of the indoor unit 2 50 or more 3 71 or more 2 40 or more 3 70 or more 5 117 or more 60 1 500 or more 71 1 800 or more 7 160 or more 2 1 Indoor unit 01 5 2 Dimensions GENERAL INFORMATION GENERAL INFORMATION ...

Page 12: ...290 1 5 16 33 1 3 16 30 4 5 16 109 13 7 8 353 24 7 8 632 13 16 20 13 330 Pitch of bolts for installation Pitch of bolts for installation 4 M10 hole Unit in mm Side view Valve part 4 3 4 120 4 1 4 184 7 1 16 180 Bottom view Airflow Drain port Ø1 5 8 42 1 7 16 37 15 11 16 399 Hole Hole Hole 2 2 Outdoor unit 01 6 2 Dimensions GENERAL INFORMATION GENERAL INFORMATION ...

Page 13: ...2 TECHNICAL DATA AND PARTS LIST 2022 10 12 SR_CH02_AS024EF_05 ...

Page 14: ...5LZAS1 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 AOUG09LZAS1 AOUG12LZAS1 and AOUG15LZAS1 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 ASUG09LZAS ASUG12LZAS and ASUG15LZAS 02 16 8 2 Models AOUG09LZAS1 AOUG12LZAS1 a...

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: ...ZAS and ASUG15LZAS Exterior parts and Accessories 1 2 2 5 8 9 11 12 13 14 15 16 19 18 20 21 a b c d 16 17 9 10 3 6 7 4 2 1 Models ASUG09LZAS ASUG12LZAS and ASUG15LZAS 02 2 2 Indoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 17: ...lter assy 12 9332438765 Remote controller 13 9318912005 Remote controller holder 14 9387596601 Front panel total assy 15 9387756210 Intake grille assy 16 9323340008 Air filter 17 9333719009 Grille clamper L 18 9333704005 Grille clamper R 19 9323342002 Under cover R 20 9383730030 Louver spring 21 9333608006 Bush 9901010019 Wire with connector CN6 on main PCB WLAN adapter a Front panel b Panel cover...

Page 18: ...51 50 71 61 60 59 d e 70 66 a 53 b 52 54 55 56 58 c 68 67 69 64 65 63 62 57 2 1 Models ASUG09LZAS ASUG12LZAS and ASUG15LZAS 02 4 2 Indoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 19: ... assy 59 9603821005 Brushless motor 60 9383565007 Pipe bracket 61 9387488043 Cable guide 62 9387714012 Gear case assy 63 9901011016 Stepping motor 64 9383728006 Vertical louver stepping motor assy 65 9901011023 Stepping motor 66 9387590142 Drain pan total assy 67 9316904002 Drain hose assy 68 9316177017 Drain cap 69 9387591071 Drain pan assy 70 9333628004 Bearing D assy 71 9387055054 Crossflow fan...

Page 20: ...G12LZAS1 and AOUG15LZAS1 Exterior parts and chassis 14 15 9 a 10 16 18 19 21 22 20 8 1 2 6 5 13 11 12 b 4 17 3 7 3 1 Models AOUG09LZAS1 AOUG12LZAS1 and AOUG15LZAS1 02 6 3 Outdoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 21: ...35054 Thermistor assy 12 9900985011 Thermistor assy Compressor temp 13 9900565060 Thermistor assy Outdoor temp 14 9322420039 Heat sink 15 9810028006 Thermistor stopper 16 9317903011 Emblem 17 9384273000 Fan Guard 18 9322555182 Front panel assy 19 9322150004 Propeller fan 20 9603601003 Brushless motor 21 9322553027 Motor bracket assy 22 9317089616 Condenser total assy for 09 12 model 9317089654 Con...

Page 22: ...mpressor A A B B 50 51 52 53 54 55 56 57 58 59 60 61 a b 62 63 3 1 Models AOUG09LZAS1 AOUG12LZAS1 and AOUG15LZAS1 02 8 3 Outdoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 23: ...ve assy 55 9322474001 2 way valve assy 56 9322850010 3 way valve assy for 09 12 model 9387831016 3 way valve assy for 15 model 57 9322824004 S insulator K 58 9323045002 S insulator V 59 9322501004 S insulator H 60 9322847003 S insulator F 61 9322503008 S insulator B a Valve bracket b Muffler 3 1 Models AOUG09LZAS1 AOUG12LZAS1 and AOUG15LZAS1 02 9 3 Outdoor unit parts list TECHNICAL DATA AND PARTS ...

Page 24: ...small 2 Remote controller 1 Battery 2 Remote controller holder 1 Filter holder 2 Cloth tape 1 Air cleaning filters 1 Wall hook bracket 1 4 2 Outdoor unit Models AOUG09LZAS1 AOUG12LZAS1 and AOUG15LZAS1 Part name Exterior Qty Part name Exterior Qty 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 LIS...

Page 25: ... Room Temp Cool Heat Wireless RC Simple Remote Controller UTY RSRY Compact remote controller concentrates on the basic functions such as Start Stop fan control temperature setting and operation mode Wire type Non polar 2 wire Optional Communication Kit is necessary for installation Simple Remote Controller UTY RHRY Compact remote controller concentrates on the basic functions such as Start Stop fa...

Page 26: ...put and Output PCB UTY XCSXZ2 Use to connect with external devices and air conditioner PCB Optional External Connect Kit is necessary for installation Communication Kit UTY TWRXZ2 Use to connect Non polar 2 core wired remote controller 5 1 Indoor unit 02 12 5 Optional parts TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 27: ... Heating ThD ThR ThO ThHO Muffler Accumulator ThPI ThC Thermistor Discharge temperature Thermistor Outdoor temperature Thermistor Heat exchanger out temperature ThD Thermistor Compressor temperature ThC ThO ThHO Thermistor Pipe temperature ThPI Thermistor Room temperature ThR 6 1 Models AOUG09LZAS1 AOUG12LZAS1 and AOUG15LZAS1 02 13 6 Refrigerant system diagrams TECHNICAL DATA AND PARTS LIST TECHNI...

Page 28: ...7 Wiring diagrams 7 1 Indoor unit Models ASUG09LZAS ASUG12LZAS and ASUG15LZAS 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 AOUG09LZAS1 AOUG12LZAS1 and AOUG15LZAS1 7 2 Outdoor unit 02 15 7 Wiring diagrams TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 30: ...PLIRK 1 RED CN13 B07B PASK 1 WHITE CN301 B07B PASK 1 WHITE CN300 B03B XNISK A 1 WHITE CN1 SM05B SRSS TB WHITE 5 4 3 2 1 CN1 B03B PLISK 1 WHITE J2 USB5 A4M2 KNSO 01 WHITE LOUVER UP DOWN LOUVER RIGHT LEFT DC FAN MOTOR FM M M THERMISTOR ROOMTEMP THERMISTOR PIPE TEMP 2 WIRE REMOTE CONTROL UNIT OPTION UTY TWRXZ2 COMMUNICATION PCB K16JS 1600HSE CA0 FLASH EMI FILTER ZCAT1518 0730 2 TURNS REMOTE CONTROLLE...

Page 31: ...r 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 AC AC208 230V ON AC208 230V ON DC5V Thermistor Discharge temp 168 60 k 62 55 k 40 01 k 0 36 V 0 86 V 1 23 V ...

Page 32: ...8 2 Models AOUG09LZAS1 AOUG12LZAS1 and AOUG15LZAS1 02 18 8 PC board diagrams TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 33: ...3 TROUBLESHOOTING 2022 10 12 SR_CH03_AS024EF_07 ...

Page 34: ...Indoor unit 03 20 2 10 E 58 Intake grille error Indoor unit 03 21 2 11 E 62 Outdoor unit main PCB error Outdoor unit 03 22 2 12 E 63 Inverter error Outdoor unit 03 23 2 13 E 64 PFC circuit error Outdoor unit 03 24 2 14 E 65 IPM error Outdoor unit 03 25 2 15 E 71 Discharge thermistor error Outdoor unit 03 27 2 16 E 72 Compressor thermistor error Outdoor unit 03 28 2 17 E 73 Outdoor unit heat exchan...

Page 35: ... error 03 60 4 5 E 18 Wireless LAN adapter non energized 03 62 4 6 Wireless LAN adapter Sleep mode Indoor unit 03 63 4 7 Mobile app setting method 03 64 5 Service parts information 03 69 5 1 Compressor 03 69 5 2 Inverter compressor 03 70 5 3 Outdoor unit Electronic Expansion Valve EEV 03 71 5 4 Indoor unit fan motor 03 73 5 5 Outdoor unit fan motor 03 74 5 6 IPM on transistor PCB 03 75 6 Thermisto...

Page 36: ......

Page 37: ...orized error is only displayed during the 3 min utes ST state period Start the operation and then press the TEST RUN button on the remote controller Press the MANUAL AUTO button on the indoor unit for 10 seconds or more Error memory display 2 minutes 20 seconds Starting operation and then Press TEST RUN button on the remote controller or Press MANUAL AUTO button on the indoor unit for 10 seconds o...

Page 38: ...ror Indoor unit 4 times 2 times Continuous 42 E 51 Indoor unit fan motor error Indoor unit 5 times 1 times Continuous 51 E 58 Intake grille error Indoor unit 5 times 8 times Continuous 58 E 62 Outdoor unit main PCB error Outdoor unit 6 times 2 times Continuous 62 E 63 Inverter error Outdoor unit 6 times 3 times Continuous 63 E 64 PFC circuit error Outdoor unit 6 times 4 times Continuous 64 E 65 IP...

Page 39: ...he error contents Error contents Wireless LAN LED orange Error code E 18 External communication error between indoor unit and WLAN adapter On Connection information with router is available Off Connection information with router is unavailable 18 Wireless LAN adapter error Flashing slow No error Network communication error between wireless LAN router and WLAN adapter On No error E 18 Communication...

Page 40: ...itioning refer to as follows When the error button on the home screen is tapped error code and error name is displayed For Android Error Name Error button Error code For iOS Error Name Error code Error button 1 5 Error code table Mobile App 03 4 1 Error code TROUBLESHOOTING TROUBLESHOOTING ...

Page 41: ...or Indoor unit 51 1 51 2 Outdoor unit main PCB model information error E 62 Outdoor unit main PCB error Outdoor unit 62 1 62 2 Inverter error E 63 Inverter error Outdoor unit 63 1 63 2 PC circuit error E 64 PFC circuit error Outdoor unit 64 1 64 3 64 4 64 8 Discharge temp sensor error E 71 Discharge thermistor error Outdoor unit 71 1 Outdoor unit Heat Ex liquid temp sensor error E 73 Outdoor unit ...

Page 42: ...on the wireless control system refer to error messages as follows The error message disappears after 5 seconds and the normal screen is displayed Error message Error message For Android For iOS 1 6 Error message for wireless LAN control Mobile App 03 6 1 Error code TROUBLESHOOTING TROUBLESHOOTING ...

Page 43: ...not register the device Make sure the device is ready for registration The air conditioner is not connected to the router Enter the wireless LAN setting on the smart device then check if the SSID of the air conditioner AP WF is connected If the air conditioner is connected retry the registration The router the air conditioner is connected to has no Internet access Check if the router connected to ...

Page 44: ...ce Enable the wireless LAN connection from the iOS setting Could not register same LAN device Make sure both devices are in the same LAN and try again to register The smart device and air conditioner are connected to different wireless LAN networks when attempting to register Connect the smart device to the same network as the air conditioner then retry the registration No registrable device was f...

Page 45: ...ioner is ready to pair and that you have entered its SSID and password correctly Occurs when pairing is executed when the user erroneously enter the SSID of the adapter Enter the SSID literally Uppercase and lowercase letters also match General error Error message Cause Solution Failed to change password The smart device has no Internet access Connect the mobile device to the Internet Cloud not de...

Page 46: ...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 47: ...03 69 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...

Page 48: ...tor failure Check point 1 Reset the power and operate Does error indication show again If no go to Check point 1 2 Check point 2 Check connection Check any loose or removed connection line of indoor unit and outdoor unit Check connection condition is control unit If there is loose connector open cable or mis wiring If there is an abnormal condition correct it by referring to the installation manua...

Page 49: ...motor in Service parts informa tion on page 03 69 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 Seria...

Page 50: ... 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 C...

Page 51: ...k the connection Check any loose or removed connection between the main PCB to the WAN adapter If there is an abnormal condition correct it by refer to the installation manual or the DESIGN TECHNICAL MANUAL Check the connection condition on the WLAN adapter and the main PCB If there is loose con nector open cable or mis wiring Check point 2 Replace the WLAN adapter If check point 1 do not improve ...

Page 52: ...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 53: ...witch 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 P...

Page 54: ...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 77 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 55: ...is open Reset power when reinstalling due to removed connector or incorrect wiring Check point 2 Remove connector and check thermistor resistance value For the heat exchanger thermistor resistance value refer to Thermistor resis tance values on page 03 77 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...

Page 56: ...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 57: ...CB failure Check point 1 Check limit switch Check operation of Micro switch any blocking by dust etc Remove Micro switch and check ON OFF switching operation by using a meter If micro switch is detective replace it Check point 2 Check connector CN11 wire Check loose contact of CN11 shorted wire pinched wire Replace micro switch if the wire is abnormal Check point 3 Replace main PCB If Check Point ...

Page 58: ...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 59: ... Turn the power on again If no go to Check point 1 2 Error displayed again Check point 2 Check the wiring power supply to inverter PCB Connector and wiring connection state check Cable open check Check point 3 Replace inverter PCB Replace inverter PCB End Check point 1 2 Check external cause Check if temporary voltage drop was not generated Check if momentary open was not generated Check if ground...

Page 60: ...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 61: ...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 62: ...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 14 E 65 IPM error Outdoor unit 03 26 2 Troubleshooting with error code TROUBLESHOOTING TROUBLESHOOTING ...

Page 63: ...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 77 If thermistor is either open or shorted replace it and reset the power Check point 3 Check voltage of main PCB Make sure ...

Page 64: ... 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 compressor thermistor resistance value refer to Thermistor resistance values on page 03 77 If thermistor is either open or shorted replace it and reset the power Check point 3 Check voltage of main PCB Make sure circuit di...

Page 65: ...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 77 If thermistor is either open or shorted replace it and reset the power Check point 3 Check voltage of main PCB Make su...

Page 66: ...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 77 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 67: ...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 68: ...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 69: ...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 70: ...off or locked motor If fan or bearing is abnormal replace it Check point 2 Check ambient temperature around motor Check excessively high temperature around the motor If there is any surrounding equipment that causes heat Upon the temperature coming down restart operation Check point 3 Check outdoor unit fan motor Check outdoor unit fan motor Refer to outdoor unit fan motor in Service parts informa...

Page 71: ...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 72: ...ence If the value location is not proper replace 4 way valve Check point 4 Check the voltage of 4 way valve Check the voltage CN30 of Main PCB Check if AC 187 V AC 208 V 10 to AC 253 V AC 230 V 10 appears at CN30 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 73: ...of the 3 way valve For heating operation check liquid side of the 3 way valve Check point 2 Check any of the electronic expansion valve EEV capillary tube or strainer or all Check if EEV open or there is a capillary tube defect Refer to outdoor unit Electrronic Expansion Valve EEV or Capillary tube in Service parts in formation on page 03 69 Check the strainer clogging Check point 3 Check the outd...

Page 74: ...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 24 E A1 Discharge temperature error Outdoor unit 03 38 2 Troubleshooting with error code TROUBLESHOOTING TROUBLESHOOTING ...

Page 75: ...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 69 Check the strainer clogging Check point 3 Check the outdoor unit fan and heat exchanger Check for foreign o...

Page 76: ...he 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 25 E A3 Compressor temperature error Outdoor unit 03 40 2 Troubleshooting with error code TROUBLESHOOTING TROUBLESHOOTING ...

Page 77: ...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 78: ...ausing 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 termina...

Page 79: ...eck 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 controlle...

Page 80: ...eck connection pipe specified pipe length and pipe diameter Check any loose or removed communication line If there is an abnormal condition correct it by referring to the installation manual or the DESIGN TECHNICAL MANUAL Check point 5 Check Refrigeration cycle Check if strainer is clogged Refer to the figure below Measure gas pressure and if there is a leakage correct it Check if EEV open or ther...

Page 81: ...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 45 3 Troubleshooting without error code TROUBLESHOOTING TROUBLESHOOTING ...

Page 82: ...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 83: ...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 47 3 Troubleshooting without error code TROUBLESHOOTING TROUBLESHOOTING ...

Page 84: ...5 refer to Function settings in Chapter 5 FIELD WORKING on page 05 1 Check Point 3 Check effects of function setting change Is the space still too warm in relation to setpoint Check Point 4 Verify room temperature sensing location Do you want room temperature sensed at the wired remote controller Wired remote sensor or by they build in sensor inside the unit Indoor unit sensor If indoor unit senso...

Page 85: ...l for indoor unit sensor NOTE For details of function setting number 31 refer to Function settings in Chapter 5 FIELD WORKING on page 05 1 End Check point 8 Check the remote controller display Is the Thermo Sensor Icon displayed on the screen If no go to Check point 8 1 Check point 9 Check the function Setting Is function 48 Room temperature sensor switching set to 01 If no go to Check point 9 1 3...

Page 86: ...ll too warm go to Check point 12 End Check point 8 1 Check function setting Is function 42 Indoor room temperature sensor switching function set to 01 NOTE For details of function setting number 42 refer to Function settings in Chapter 5 FIELD WORKING on page 05 1 Check point 8 2 Check the remote controller Press and hold down the THERMO SENSOR button to turn on the icon If the space is still too ...

Page 87: ...function setting improve temperature control If the space is still too warm go to Check point 10 End Check point 12 Check function setting Using the table on the right adjust temperature correction by changing function setting 36 Room Temperature control for wired remote controller sensor NOTE For details of function setting number 36 refer to Function settings in Chapter 5 FIELD WORKING on page 0...

Page 88: ...5 refer to Function settings in Chapter 5 FIELD WORKING on page 05 1 Check Point 3 Check effects of function setting change Is the space still too cool in relation to setpoint Check Point 4 Verify room temperature sensing location Do you want room temperature sensed at the wired remote controller Wired remote sensor or by they build in sensor inside the unit Indoor unit sensor If indoor unit senso...

Page 89: ...l for indoor unit sensor NOTE For details of function setting number 30 refer to Function settings in Chapter 5 FIELD WORKING on page 05 1 End Check point 8 Check the remote controller display Is the Thermo Sensor Icon displayed on the screen If no go to Check point 8 1 Check point 9 Check the function Setting Is function 48 Room temperature sensor switching set to 01 If no go to Check point 9 1 3...

Page 90: ...ll too cool go to Check point 12 End Check point 8 1 Check function setting Is function 42 Indoor room temperature sensor switching function set to 01 NOTE For details of function setting number 42 refer to Function settings in Chapter 5 FIELD WORKING on page 05 1 Check point 8 2 Check the remote controller Press and hold down the THERMO SENSOR button to turn on the icon If the space is still too ...

Page 91: ...function setting improve temperature control If the space is still too cool go to Check point 10 End Check point 12 Check function setting Using the table on the right adjust temperature correction by changing function setting 35 Room Temperature control for wired remote controller sensor NOTE For details of function setting number 35 refer to Function settings in Chapter 5 FIELD WORKING on page 0...

Page 92: ...tion Check any loose or removed connection of between the wireless LAN adapter PCB and con troller PCB If there is abnormal condition correct it Check the connection condition on the controller PCB If there is loose connector open cable or mis wiring correct it Check point 2 Replace wireless LAN adapter If check point 1 do not improve the symptom replace the wireless LAN adapter and cancel the reg...

Page 93: ...f setting button is kept pressed If the setting button is held down by the foreign matter remove the foreign matter or remove the cause of the button press Check point 2 Replace wireless LAN adapter If check point 1 do not improve the symptom replace the wireless LAN adapter and cancel the reg istration of air conditioner on the mobile app After replacing the adapter perform the pairing on the mob...

Page 94: ...k point 1 Check the connection cable Check the connection cable on the wireless LAN router If there is loose connector open cable or mis wiring correct it Check point 2 Check the connection status Check the connection status to the internet and wireless LAN router If the wireless LAN router is not connected to the internet check the transmission between wire less LAN products ex PC or game console...

Page 95: ...le app refer to Mobile app setting method on page 03 64 End Check point 2 2 Check the transmission state Check the wireless transmission state pf the wireless LAN router LED status If the wireless transmission from the wireless LAN router has not been outgoing inquire to the wireless LAN router maker End 4 3 Network communication error between wireless LAN router and WLAN adapter 03 59 4 Troublesh...

Page 96: ...ailure Controller PCB failure Check point 1 Check the connection cable Check the connection cable on the wireless LAN router If there is loose connector open cable or mis wiring correct it Check point 2 Check the connection status and transmission state Check the connection status to the internet and wireless LAN router If the wireless LAN router is not connected to the internet check the transmis...

Page 97: ...correct it Check the connection condition on the controller PCB If there is loose connector open cable or mis wiring correct it Check point 4 Replace wireless LAN adapter If check point 2 to 3 do not improve the symptom replace the wireless LAN adapter and cancel the registration of air conditioner on the mobile app After replacing the adapter perform the pairing on the mobile app For the method o...

Page 98: ...there is abnormal condition correct it Check the connection condition on the controller PCB If there is loose connector open cable or mis wiring correct it Check point 2 Check the wireless LAN adapter PCB and the controller PCB Check voltage at CN6 terminal 1 2 of main PCB Power supply to remote controller If it is DC 0 V controller PCB is failure Replace controller PCB If it is DC 12 V wireless L...

Page 99: ...ireless SSID have passed 1 hour Forecast of cause Sleep mode Check point 1 Cheak the sleep mode Press the Wireless LAN adapter setting button the 3 seconds or more If the display pattern is changed as follows refer to Network communication error between wire less LAN router and WLAN adapter on page 03 58 LED 1 green on LED 2 orange flashing fast 4 6 Wireless LAN adapter Sleep mode Indoor unit 03 6...

Page 100: ...he mobile app 1 Launch the mobile app FGL air 2 Press and hold the registered device name of the air conditioner 3 If the Unregister button is displayed tap the button 4 Tap the Yes button 5 Deregstration of the air conditioner is completed 4 7 Mobile app setting method 03 64 4 Troubleshooting with error code For wireless LAN adapter TROUBLESHOOTING TROUBLESHOOTING ...

Page 101: ...t PC repeat the setup of the chosen mode Light pattern Off On Flashing Button mode 1 Launch the mobile app FGL air 2 Sign in with your e mail address and password following the screen on the mobile app john fgl com ÛÛÛÛÛÛ Sign in 3 Press the button to add a new air conditioner 4 Confirm that the LED 2 blinks on off at 2 seconds intervals Then select Button mode on the screen If the LED 1 and 2 are...

Page 102: ... On off 2 sec 2 sec 2 sec 0 5 sec Confirm both of the LED 1 and 2 are on to proceed 7 Press Register button to start the connection with the wireless LAN router Register Registration Successful 2 times Both of the LED 1 and 2 flash 2 times and a message appear when the setup is completed 4 7 Mobile app setting method 03 66 4 Troubleshooting with error code For wireless LAN adapter TROUBLESHOOTING ...

Page 103: ...er password ÛÛÛÛÛÛ Connect device Selected router Input the PIN code written on the wireless LAN label 6 Select the SSID of the wireless LAN router to be connected Home AP Enter password Select the WLAN Access Point XYZ AP ÛÛÛÛÛÛ ABC123 Connect device Selected router Input the wireless LAN router wireless LAN access point password then press Connect device button 7 When setup is completed both of ...

Page 104: ...x Select the SSID of the air conditioner to be connected 6 Input the PIN code written on the wireless LAN label AC UTY xxxxxxxxxx Enter password ÛÛÛÛÛÛ Connect device Selected router 7 Select the SSID of the wireless LAN router to be connected Input the wireless LAN router wireless LAN access point password then press Connective de vice button Home AP Enter password Select the WLAN Access Point XY...

Page 105: ...compressor is con sidered Locked compressor due to clogged dirt or less oil Is gas pipe valve open Low pressure is too low Defective compressor can be considered due to inside dirt clogging or broken component Replace compressor Check if refrigerant is leaking MPa MPa Replace compressor End Check if strainer is clogged Refer to outdoor EEV or capillary tube in this chap ter End Check main PCB conn...

Page 106: ...eck point 2 Check winding resistance Check winding resistance of each terminal Resistance value 1 916 Ω at 68 F 20 C C S R 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 5 2 Inverter compressor 03 70 5 Service parts information TROUBLESHOOTING TROUBLESHOOTING ...

Page 107: ...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 108: ...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 5 3 Outdoor unit Electronic Expansion Valve EEV 03 72 5 Service parts information TROUBLESHOOTING TROUBLESHOOTING ...

Page 109: ...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 5 4 Indoor unit fan ...

Page 110: ... 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 main PCB 1 4 5 6 7 Red Black White Yellow Brown FM 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 5 5 Outdoor unit...

Page 111: ...easure the resistance between the following termi nals TM301 P TM305 U TM304 V TM303 W TM302 N TM305 U TM304 V TM303 W 3 Judge the result of 2 as follows Terminal Resistance value Tester P U Over 2 kΩ Including Ω P V P W U P Over 20 kΩ Including Ω V P W P N U N V N W U N Over 2 kΩ Including Ω V N W N 5 6 IPM on transistor PCB 03 75 5 Service parts information TROUBLESHOOTING TROUBLESHOOTING ...

Page 112: ...voltage value between the following terminals 5 Judge the result of 4 as follows Terminal Tester screen Tester P U P V P W U P 0 3 to 0 7 V V P W P N U N V N W U N V N W N 5 6 IPM on transistor PCB 03 76 5 Service parts information TROUBLESHOOTING TROUBLESHOOTING ...

Page 113: ...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 114: ... 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 115: ...7 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 0 115 0 2 ...

Page 116: ... 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 117: ...4 CONTROL AND FUNCTIONS 2022 10 12 SR_CH04_AS024EF_03 ...

Page 118: ...rol 04 23 6 1 Defrost operation in heating operation stopped 04 24 7 Various control 04 25 7 1 Auto restart 04 25 7 2 MANUAL AUTO operation 04 25 7 3 Forced cooling operation 04 26 7 4 MIN HEAT operation 04 26 7 5 ECONOMY operation 04 26 7 6 POWERFUL operation 04 27 7 7 Compressor preheating 04 27 7 8 Electronic expansion valve control 04 27 7 9 Prevention to restart for 3 minutes 3 minutes st 04 ...

Page 119: ...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 rotation number of compressor is controlled within the range shown in the table below However the maximum rotation number is limited in the range shown in the figure below based on the in door fan mode and the outdoor temperature Rotati...

Page 120: ...ET ASUG09LZAS A zone 58 42 30 24 B zone 58 42 30 24 C zone 58 42 30 24 D zone 50 34 26 20 E zone 50 34 26 20 F zone 50 34 26 20 ASUG12LZAS A zone 74 42 30 24 B zone 74 42 30 24 C zone 74 42 30 24 D zone 50 34 26 20 E zone 50 34 26 20 F zone 50 34 26 20 ASUG15LZAS A zone 80 42 28 22 B zone 80 42 28 22 C zone 80 42 28 22 D zone 54 34 24 18 E zone 54 34 24 18 F zone 54 34 24 18 1 1 Cooling operation ...

Page 121: ...uency is controlled within the range shown below Compressor frequency range Unit rps Model name Minimum frequency Maximum frequency ASUG09LZAS ASUG12LZAS ASUG15LZAS 8 130 Limit of maximum speed based on outdoor temperature In heating operation maximum frequency is defined by outdoor temperature and fan mode A zone B zone 57 2 F 14 C C zone 14 0 F 10 C Outdoor temperature rises Outdoor temperature ...

Page 122: ... control based on room temperature Ts 1 F Ts 0 5 C Ts 3 F Ts 1 5 C Ts 3 F Ts 1 5 C X zone J zone Y zone Room temperature drops Room temperature rises Ts Set temperature Ts 1 F Ts 0 5 C 1 4 Compressor frequency at normal start up Models AOUG09LZAS1 AOUG12LZAS1 and AOUG15LZAS1 Compressor frequency soon after starting is controlled as below Rotation number I Rotation number II Rotation number III Rot...

Page 123: ...2 F 19 C 100 4 F 38 C Model name Outdoor temperature zone Limitation of compressor frequency AOUG09LZAS1 AOUG12LZAS1 A zone 37 rps B zone 37 rps C zone 37 rps D zone 28 rps E zone 1 rps F zone 22 rps AOUG15LZAS1 A zone 33 rps B zone 33 rps C zone 33 rps D zone 25 rps E zone 10 rps F zone 20 rps 1 5 Compressor frequency limitation by outdoor temperature 04 5 1 Compressor frequency control CONTROL A...

Page 124: ... compressor frequency AOUG09LZAS1 AOUG12LZAS1 A zone 34 rps B zone 34 rps C zone 34 rps D zone 15 rps E zone 14 rps F zone 14 rps AOUG15LZAS1 A zone 30 rps B zone 30 rps C zone 30 rps D zone 13 rps E zone 10 rps F zone 10 rps 1 5 Compressor frequency limitation by outdoor temperature 04 6 1 Compressor frequency control CONTROL AND FUNCTIONS CONTROL AND FUNCTIONS ...

Page 125: ...ion mode is middle zone indoor unit operation mode is selected as below Same operation mode is selected as outdoor unit If outdoor unit is operating in cooling and heating mode indoor unit will be operated by the same operation mode Selected by outdoor temperature If outdoor unit is operating in other than cooling and heating mode indoor unit will be op erated according to the outdoor temperature ...

Page 126: ...n Middle zone Operation mode of outdoor unit Cooling Outdoor temp 77 0 F 25 C Operation mode before the monitor mode is cooling mode Monitor mode Room temp Ts 3 6 F 2 C No Yes No Yes No Yes No Yes No No Operation mode of outdoor unit Heating Yes Yes No System stops or operation command other than auto changeover operation Yes No Yes No Thermostat remains in off state for 6 minutes or longer Yes No...

Page 127: ... prevention 520 570 S LOW 520 520 Cooling Fan POWERFUL 1 270 1 340 HIGH 1 200 1 270 MED 950 1 050 LOW 780 780 QUIET 590 650 Soft quiet 520 1 570 1 S LOW 520 2 520 2 Dry X zone 590 J zone 550 X zone 650 J zone 610 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 128: ...ry operation During dry operation fan speed setting can not be changed as shown in Fan speed above Heating operation Switch the airflow AUTO and the indoor fan motor will run according to a room temperature as be low On the other hand if switched in HIGH QUIET the indoor motor will run at a constant airflow of HEAT operation modes QUIET LOW MED HIGH as shown in Fan speed above Airflow change over ...

Page 129: ... fan mode LOW or setting fan mode Lower speed is selected 98 6 F 37 C 102 2 F 39 C 107 6 F 42 C 98 6 F 37 C 89 6 F 32 C 82 4 F 28 C 93 2 F 34 C 7 minutes later Indoor heat exchanger temperature rises HIGH or setting fan mode Indoor heat exchanger temperature drops MED or setting fan mode LOW or setting fan mode Lower speed is selected LOW or setting fan mode LOW or setting fan mode 86 0 F 30 C 98 ...

Page 130: ...6 0 F 30 C 98 6 F 37 C 102 2 F 39 C 107 6 F 42 C 98 6 F 37 C 89 6 F 32 C 82 4 F 28 C 93 2 F 34 C MIN HEAT operation Indoor heat exchanger temperature rises Indoor heat exchanger temperature drops AUTO LOW 102 2 F 39 C 93 2 F 34 C Moisture return prevention control cooling and dry mode Switch the airflow AUTO at cooling mode and the indoor fan motor will run as shown below Compressor On Off Indoor ...

Page 131: ... 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 1 050 850 320 270 8 870 870 870 850 320 270 7 760 780 760 770 320 270 6 760 760 760 630 270 230 5 560 760 560 440 270 230 4 440 550 440 320 270 230 3 440 500 440 320 270 230 2 440 420 440 320 270 230 1 440 420 440 320 270 230 NOTE After defrost contro...

Page 132: ...one S HIGH2 1 100 S HIGH1 1 050 1 100 HIGH 1 050 1 100 10 1 100 9 1 050 1 100 1 050 850 320 270 8 810 870 810 850 320 270 7 810 760 810 770 320 270 6 560 760 560 630 270 230 5 560 680 560 440 270 230 4 440 530 440 320 270 230 3 440 500 440 320 270 230 2 440 420 440 320 270 230 1 440 420 440 320 270 230 NOTE After defrost control on the heating mode the fan speed is kept higher regardless of the co...

Page 133: ...one S HIGH2 1 100 S HIGH1 1 050 1 100 HIGH 1 050 1 100 10 1 100 9 1 050 1 100 1 050 850 320 270 8 840 920 840 850 320 270 7 750 920 750 770 320 270 6 690 710 690 630 270 230 5 560 620 560 440 270 230 4 440 560 440 320 270 230 3 440 500 440 320 270 230 2 440 440 440 320 270 230 1 440 440 440 320 270 230 NOTE After defrost control on the heating mode the fan speed is kept higher regardless of the co...

Page 134: ...i zontal 1 the air direction cannot be adjusted during this period The airflow direction setting will temporarily become 1 when the temperature of the airflow is low at the start of the Heating mode After beginning of AUTO HEAT mode operated and automatic defrosting operation the airflow will be horizontal 1 However the airflow direction cannot be adjusted at beginning AUTO operation mode 4 2 Vert...

Page 135: ...per end or bottom end To select left right airflow swing operation When the swing signal is received the vertical louver starts to swing Swinging range All mode 1 5 When the indoor fan is S LOW or stop mode the swing operation is interrupted and it stops at either left end or right end To select up down and left right airflow swing operation When the swing signal is received both of the vertical a...

Page 136: ...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 137: ...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 138: ...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 139: ...3 6 F 2 C Set 60 min 1 8 F 1 C In the heating operation mode When the sleep timer is set the setting temperature is decreased 1 8 F 1 C It decreases the setting temperature another 1 8 F 1 C every 30 minutes Upon lowering 7 2 F 4 C the setting temperature is not changed and the operation is stopped at the setting time Set Ts 3 6 F 2 C 1 8 F 1 C 5 4 F 3 C 7 2 F 4 C Ts Set temperature 30 min 30 min ...

Page 140: ...minimum of 64 F 18 C even if the SET BACK temperature is set to 63 F 17 C or lower Case of Temperature Setback Timer on the Cooling operation Setting temperature 72 F 22 C SET BACK temperature 78 F 26 C SET BACK setting Operation temperature Operation temperature 1 ON OFF OFF ON 1 During the SET BACK function the setting temperature is changed Chenge the setting temperature 72 F 22 C 75 F 24 C 72 ...

Page 141: ...10 9 0 F 5 C Tn 6 C Tn Tnb 3 6 F 2 C Tn 6 C Tn 20 C Ta 14 0 F 10 C Tn 7 C or Tn 25 C Ta 14 0 F 10 C Integrating defrost Constant monitoring Compressor integrating operation time More than 240 min For long continuous operation More than 213 min For long 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 con...

Page 142: ...tions are satisfied in heating operation Compressor operation integrating time 30 minutes or more Compressor continuous operation time 10 minutes or more Outdoor unit heat exchanger temperature 24 8 F 4 C or less Release condition The defrost operation is released when either one of the conditions below is satisfied Outdoor unit heat exchanger temperature after 1 minute or later since compressor s...

Page 143: ...e control setting WLAN indicator lamp setting 7 2 MANUAL AUTO operation When the wireless remote controller is lost or battery power dissipated this function will work without the remote controller When MANUAL AUTO button is pressed more than 3 seconds and less than 10 seconds MANUAL AUTO operation starts as shown in the table below To stop operation press the MANUAL AUTO button for 3 seconds Oper...

Page 144: ...ing one of the following action test operation will be canceled Pressing the remote controller START STOP button Pressing FORCED COOLING OPERATION button for 3 seconds 60 minutes passed after starting forced cooling operation NOTE When HEAT operation is selected on the remote controller during forced cooling operation heating test run will begin in about 3 minutes 7 4 MIN HEAT operation MIN HEAT o...

Page 145: ...flow is quickly discharged when the operation is started Triggering condition 30 minutes after compressor stopped Outdoor unit heat exchanger temperature Tn 4 C Off On Tn Tn 2 C When the jumper wire JM2 is disconnected 5 C Off On Tn Tn 7 C 7 8 Electronic expansion valve control The most proper opening of the electronic expansion valve is calculated and controlled under the present operating condit...

Page 146: ...and the 4 way valve is switched when the 140 seconds passes and the compressor is started 7 11 Outdoor unit low noise operation The outdoor unit low noise operation functions by OUTDOOR UNIT LOW NOISE button on the re mote controller This operation stops the PFC control and changes the current value Models AOUG09LZAS1 and AOUG12LZAS1 Operation mode Current Trigger condition Release condition Cooli...

Page 147: ...or 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 When the indoor unit he...

Page 148: ... 53 6 F 12 C 10 0 A 9 5 A Ta 41 0 F 5 C 10 0 A 9 5 A Model AOUG15LZAS1 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 A 40 C Ta 46 C 6 0 A 5 5 A 12 C Ta 40 C 9 0 A 8 5 A 2 C Ta 12 C 9 0 A 8 5 A Ta 2 C 9 0 A 8 5 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 11 0 A 10 5 A Ta 5 C 12 5 A 12 0 A 8 4 Cooling pres...

Page 149: ...B BC CD DE Zone A Zone B Zone C Zone D Zone E AB 145 4 F 63 C BC 131 0 F 55 C CD 127 4 F 53 C DE 122 0 F 50 C Zone Operation Zone A Compressor is stopped Zone B The 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 31 8 Various protectio...

Page 150: ...8 6 High temperature and high pressure release control 04 32 8 Various protections CONTROL AND FUNCTIONS CONTROL AND FUNCTIONS ...

Page 151: ...5 FILED WORKING 2022 10 12 SR_CH05_AS024EF_04 ...

Page 152: ...ler 05 1 1 2 Custom code setting for wireless remote controller 05 9 1 3 Switching the temperature unit of remote controller 05 10 2 External input and output 05 11 2 1 External input 05 12 2 2 External output 05 13 2 3 Combination of external input and output 05 14 2 4 Details of function 05 15 ...

Page 153: ...nged 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 va...

Page 154: ... 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 155: ...rnal heaters 12 62 Operating temperature switching of external heaters 13 66 Outdoor temperature zone boundary temperature A 14 67 Outdoor temperature zone boundary temperature B 15 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 unnecessar...

Page 156: ... 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 157: ... 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 158: ...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 159: ...unction number Setting 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...

Page 160: ...ed environment Standard 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...

Page 161: ...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 162: ...tton for at least 5 seconds to display the current temperature unit Factory setting F 2 Press the TEMP buttons to switch the temperature unit between F and C 3 With either of pressing the START STOP button or no additional button operation for 30 sec onds in step 2 the temperature unit currently selected will be set 1 3 Switching the temperature unit of remote controller 05 10 1 Function settings ...

Page 163: ...t External output Connector Input select Input 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 05 11 2 External input and output FIELD WORKING FIELD WORKING ...

Page 164: ...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 165: ...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 166: ...N312 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 depends on the set...

Page 167: ...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 168: ...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 169: ...the case of Pulse input Function setting Rotary SW on External Input and Output PCB External input Input signal Command 46 03 1 External Input and Output PCB CN313 Pulse Operation CN314 Pulse Stop Remote controller disabled On On Off Operation Stop Remote controller On Off Indoor unit CN313 CN314 R C disabled Off On NOTE When Operation Stop mode 2 function is used with forming a remote controller ...

Page 170: ...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 18 2 External input and output FIELD WORKING FIELD WORKING ...

Page 171: ...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 172: ... 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 20 2 External input and output FIELD WORKING FIELD WORKING ...

Page 173: ...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 174: ...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 175: ...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 176: ...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 177: ...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 25 2 External input and output FIELD WORKING FIELD WORKING ...

Page 178: ...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 179: ...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 27 2 External input and output FIELD WORKING FIELD WORKING ...

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Fujitsu AOUG09LZAS1, Service Manual

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Summary of Contents for AOUG09LZAS1

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