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3) Room temperature control for wired remote controller sensor

NOTE:

Before performing this setting, refer to Function 95.

Depending on the installed environment, correction of the wire remote temperature sensor may be
required. Select the appropriate control setting according to the installed environment.
To change this setting, set Function 42 to “Both“ (01).
Ensure that the Thermo Sensor icon is displayed on the remote controller screen.
*When Function 95-01 (High insulation) is set, the Standard setting "00" will be the same as "No cor-
rection 0.0 °C" (01).

Function number

Setting value

Setting description

Factory

setting

35

(For cooling)

36

(For heating)

00

Standard setting*

♦

01

No correction 0.0 °F (0.0 °C)

02

-1 °F (-0.5 °C)

More cooling

Less heating

03

-2 °F (-1.0 °C)

04

-3 °F (-1.5 °C)

05

-4 °F (-2.0 °C)

06

-5 °F (-2.5 °C)

07

-6 °F (-3.0 °C)

08

-7 °F (-3.5 °C)

09

-8 °F (-4.0 °C)

10

+1 °F (+0.5 °C)

Less cooling

More heating

11

+2 °F (+1.0 °C)

12

+3 °F (+1.5 °C)

13

+4 °F (+2.0 °C)

14

+5 °F (+2.5 °C)

15

+6 °F (+3.0 °C)

16

+7 °F (+3.5 °C)

17

+8 °F (+4.0 °C)

4) Auto restart

Enables or disables automatic restart after a power interruption.

Function number

Setting value

Setting description

Factory setting

40

00

Enable

♦

01

Disable

NOTE:

Auto restart is an emergency function such as for power outage etc. Do not attempt to use
this function in normal operation. Be sure to operate the unit by remote controller or exter-
nal device.

5) Room temperature sensor switching

(Only for wired remote controller)
When using the wired remote controller temperature sensor, change the setting to "Both" (01).

Function number

Setting value

Setting description

Factory setting

42

00

Indoor unit

♦

01

Both

00: Sensor on the indoor unit is active.
01: Sensors on both indoor unit and wired remote controller are active.

NOTE:

Remote controller sensor must be turned on by using the remote controller.

1-1. Function settings by using remote controller

- (05-5) -

1. Function settings

FIELD

WORKING

FIELD

WORKING

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Содержание AOUH18LPAS1

Страница 1: ...AIR CONDITIONER Wall mounted type SERVICE MANUAL INDOOR ASUH18LPAS ASUH24LPAS OUTDOOR AOUH18LPAS1 AOUH24LPAS1 SR_AS051EF_03 2022 10 12 ...

Страница 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 2021 2022 Fujitsu General Limited All rights reserved ...

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

Страница 4: ......

Страница 5: ...1 GENERAL INFORMATION 2022 10 12 SR_CH01_AS051EF_02 ...

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

Страница 7: ... Heating 98 0 98 9 Moisture removal pints h L h 4 0 1 9 6 3 3 0 Maximum operating current 3 Cooling A 9 9 14 4 Heating 11 9 13 9 Fan Airflow rate Cooling HIGH CFM m3 h 530 900 642 1 090 MED 471 800 471 800 LOW 377 640 377 640 QUIET 241 410 306 520 Heating HIGH 506 860 594 1 010 MED 406 690 506 860 LOW 330 560 377 640 QUIET 247 420 306 520 Type Qty Crossflow fan 1 Motor output W 59 Sound pressure l...

Страница 8: ...gle Play store or on App Store Optional WLAN Adapter is also required For details refer to the setting manual M condition Model name ASUH18LPAS ASUH24LPAS Capacity Cooling Rated kW 5 28 7 03 Btu h 18 000 24 000 Min Max kW 1 17 5 57 1 17 7 15 Btu h 4 000 19 000 4 000 24 400 Heating Rated kW 5 28 7 03 Btu h 18 000 24 000 Min Max kW 0 82 7 03 0 85 8 50 Btu h 2 800 24 000 2 900 29 000 Heating 17 F Rat...

Страница 9: ... 1 4 37 14 3 4 692 940 375 Weight Net lb kg 86 39 Gross 95 43 Connection pipe Size Liquid in mm Ø 1 4 Ø 6 35 Gas Ø 1 2 Ø 12 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 15 to 24 Drain hose Material PP Tip diameter in mm Ø 1 2 Ø 13 0 I D Ø 5 8 to 11 16 Ø 16 0 to 16 8 O D NOTES Specifications a...

Страница 10: ...or pipe inlet Ø3 1 8 80 1 15 16 50 1 15 16 50 2 3 8 60 16 15 16 430 2 1 16 52 Outline of indoor unit for pipe inlet Ø3 1 8 80 2 13 16 72 16 7 16 418 3 9 16 91 15 3 4 400 3 9 16 90 16 1 4 413 3 1 16 77 16 7 16 417 19 482 20 1 16 510 2 1 Indoor unit 01 4 2 Dimensions GENERAL INFORMATION GENERAL INFORMATION ...

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

Страница 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 2 2 Outdoor unit 01 6 2 Dimensions GENERAL INFORMATION GENERAL INFORMATION ...

Страница 13: ...2 TECHNICAL DATA AND PARTS LIST 2021 07 04 SR_CH02_AS051EF_01 ...

Страница 14: ... AOUH24LPAS1 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 AOUH18LPAS1 and AOUH24LPAS1 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 ASUH18LPAS and ASUH24LPAS 02 16 8 2 Models AOUH18LPAS1 and AOUH24LPAS1 02 17 ...

Страница 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 ...

Страница 16: ...8LPAS and ASUH24LPAS Exterior parts and Accessories 1 2 2 5 7 8 10 11 12 13 14 15 18 17 19 20 a b c 15 16 8 9 3 6 4 2 1 Models ASUH18LPAS and ASUH24LPAS 02 2 2 Indoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Страница 17: ...ssy 11 9334126011 Remote controller 12 9334098004 Remote controller holder 13 9384977038 Front panel total assy 14 9387756210 Intake grille assy 15 9323340008 Air filter 16 9333719009 Grille clamper L 17 9333704005 Grille clamper R 18 9323342033 Under cover R 19 9383730030 Louver spring 20 9333608006 Bush 9901010071 Wire with connector CN75 on main PCB WLAN adapter a Front panel b Panel cover c Fr...

Страница 18: ...assis 51 50 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 ASUH18LPAS and ASUH24LPAS 02 4 2 Indoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Страница 19: ...9603821005 Brushless motor 59 9383565007 Pipe bracket 60 9387488043 Cable guide 61 9387714012 Gear case assy 62 9901011016 Stepping motor 63 9383728006 R and L louver SPM assy 64 9901011023 Stepping motor 65 9387590142 Drain pan total assy 66 9316904002 Drain hose assy 67 9316177017 Drain cap 68 9333628004 Bearing D assy 69 9387055054 Crossflow fan assy 70 9387587173 Base assy a Control box b Cont...

Страница 20: ...AOUH18LPAS1 and AOUH24LPAS1 Exterior parts and chassis 14 9 a 10 16 18 21 20 8 1 2 6 5 13 11 12 b 4 17 3 7 15 3 1 Models AOUH18LPAS1 and AOUH24LPAS1 02 6 3 Outdoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Страница 21: ...mistor assy 10 9900985011 Thermistor assy Compressor temp 11 9900565060 Thermistor assy Outdoor temp 12 9322420053 Heat sink 13 9810028006 Thermistor stopper 14 9317903011 Emblem 15 9384273000 Fan Guard 16 9322555182 Front panel assy 17 9322150004 Propeller fan 18 9603601003 Brushless motor 19 9322553027 Motor bracket assy 20 9323834286 Heat exchanger unit a Inverter assy b Hair pin cushion 3 1 Mo...

Страница 22: ... Compressor A B 51 52 53 54 55 56 57 58 59 60 61 a b 50 A 62 63 3 1 Models AOUH18LPAS1 and AOUH24LPAS1 02 8 3 Outdoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Страница 23: ...001 2 way valve assy 56 9387831016 3 way valve assy 57 9322824004 S insulator K 58 9323045002 S insulator V 59 9322501004 S insulator H 60 9322847003 S insulator F 61 9324014014 S insulator B 62 9322386007 Cushion rubber 63 9313437008 Special nut a Valve bracket b Muffler 3 1 Models AOUH18LPAS1 and AOUH24LPAS1 02 9 3 Outdoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LI...

Страница 24: ... 2 Remote controller holder 1 Wall hook bracket 1 Cloth tape 1 Ion deodorization filter 1 Filter holder 2 Apple catechin filter 1 Adapter 1 2 12 7 5 8 15 88 in mm Only for 24 model 1 4 2 Outdoor unit Models AOUH18LPAS1 and AOUH24LPAS1 Part name Exterior Q ty Part name Exterior Q ty Installation manual 1 Cable tie 2 Drain pipe 1 4 1 Indoor unit 02 10 4 Accessories TECHNICAL DATA AND PARTS LIST TECH...

Страница 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...

Страница 26: ...less LAN adapter UTY TFSXF1 Remotely manage an air conditioning system using mobile devices such as smartphones and tablets Appropriate application for each region is required to use this option For details contact FGL sales company Modbus Converter UTY VMSX For connection between indoor unit with UART interface and a Modbus open network Thermostat Converter UTY TTRX This converter can control Fuj...

Страница 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 AOUH18LPAS1 and AOUH24LPAS1 02 13 6 Refrigerant system diagrams TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND...

Страница 28: ...7 Wiring diagrams 7 1 Indoor unit Models ASUH18LPAS and ASUH24LPAS 7 1 Indoor unit 02 14 7 Wiring diagrams TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Страница 29: ...7 2 Outdoor unit Models AOUH18LPAS1 and AOUH24LPAS1 7 2 Outdoor unit 02 15 7 Wiring diagrams TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Страница 30: ... XH AM WHITE CN311 B2B XH AM WHITE CN310 B2B XH AM WHITE COMMUNICATION PCB K14YM 1500HSE CA0 EX OUT1 EX OUT2 EX OUT3 EX IN1 EX IN2 FLASH AWG28 WHITE AWG28 WHITE AWG28 WHITE AWG28 WHITE AWG28 WHITE AWG28 WHITE AWG28 WHITE AWG28 WHITE AWG28 WHITE AWG28 WHITE 10 9 8 7 6 5 4 3 2 1 10 9 8 7 6 5 4 3 2 1 CN9 B10B PASK 1 WHITE CN200 S10B PASK 2 WHITE INDICATOR PCB K18RB 1800HSE D0 DC12V DC5V RED WHITE BLA...

Страница 31: ...p 168 60 k 0 36 V Temperature 62 55 k 0 86 V 40 01 k 1 23 V Thermistor Characteristics Thermistor Thermistor Outdoor temp 35 21 k 2 61 V Temperature 12 64 k 3 76 V 7 97 k 4 14 V P5 Thermistor Pipe temp 16 05 k 1 14 V 5 98 k 2 21 V 3 84 k 2 77 V Thermistor Characteristics Thermistor Thermistor Compressor temp Temperature P15 168 60 k 0 36 V 62 55 k 0 86 V 40 01 k 1 23 V 32 68 86 32 68 86 32 68 86 D...

Страница 32: ...8 2 Models AOUH18LPAS1 and AOUH24LPAS1 02 18 8 PC board diagrams TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Страница 33: ...3 TROUBLESHOOTING 2021 08 04 SR_CH03_AS051EF_01 ...

Страница 34: ... Outdoor unit 03 15 2 12 E 63 Inverter error Outdoor unit 03 16 2 13 E 64 PFC circuit error Outdoor unit 03 17 2 14 E 65 IPM error Outdoor unit 03 18 2 15 E 71 Discharge thermistor error Outdoor unit 03 20 2 16 E 72 Compressor thermistor error Outdoor unit 03 21 2 17 E 73 Outdoor unit heat exchanger thermistor error Outdoor unit 03 22 2 18 E 74 Outdoor temperature thermistor error Outdoor unit 03 ...

Страница 35: ...03 50 4 3 Outdoor unit Electronic Expansion Valve EEV 03 51 4 4 Indoor unit fan motor 03 53 4 5 Outdoor unit fan motor 03 54 5 Thermistor resistance values 03 55 5 1 Indoor unit 03 55 5 2 Outdoor unit 03 56 CONTENTS continued ...

Страница 36: ......

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

Страница 38: ...uous 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 IPM error Outdoor unit 6 times 5 times Continuous 65 E 71 Discharge thermistor error Outdoor unit 7 times 1 times C...

Страница 39: ...Outdoor unit fan motor failure Check point 1 Reset the power and operate Does error indication show again If no go to Check point 1 2 Check point 2 Check connection Check any loose or removed connection line of indoor unit and outdoor unit Check connection condition is control unit If there is loose connector open cable or mis wiring If there is an abnormal condition correct it by referring to the...

Страница 40: ...03 49 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...

Страница 41: ...otor failure Check point 1 Reset the power and operate Does error indication show again If no go to Check point 1 2 Check point 2 Check connection Check any loose or removed connection line of indoor unit and outdoor unit Check connection condition is control unit If there is loose connector open cable or mis wiring If there is an abnormal condition correct it by referring to the installation manu...

Страница 42: ...motor in Service parts informa tion on page 03 49 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...

Страница 43: ... 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...

Страница 44: ...ck the connection Check any loose or removed connection between the main PCB to the WAN adapter If there is an abnormal condition correct it by refer to the installation manual or the DESIGN TECHNICAL MANUAL Check the connection condition on the WLAN adapter and the main PCB If there is loose con nector open cable or mis wiring Check point 2 Replace the WLAN adapter If check point 1 do not improve...

Страница 45: ...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...

Страница 46: ...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...

Страница 47: ...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 55 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...

Страница 48: ...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 55 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...

Страница 49: ...ate the fan by hand when operation is off Check if fan is caught dropped off or locked motor If fan or bearing is abnormal replace it Check point 2 Check ambient temperature around motor Check excessively high temperature around the motor If there is any surrounding equipment that causes heat Upon the temperature coming down restart operation Check point 3 Check indoor unit fan motor Check Indoor ...

Страница 50: ...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 ...

Страница 51: ...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...

Страница 52: ... 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...

Страница 53: ...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 ...

Страница 54: ...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...

Страница 55: ...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 19 2 Troubleshooting with error code TROUBLESHOOTING TROUBLESHOOTING ...

Страница 56: ...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 55 If thermistor is either open or shorted replace it and reset the power Check point 3 Check voltage of main PCB Make sure ...

Страница 57: ... 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 55 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...

Страница 58: ...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 55 If thermistor is either open or shorted replace it and reset the power Check point 3 Check voltage of main PCB Make su...

Страница 59: ...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 55 If thermistor is either open or shorted replace it and reset the power Check point 3 Check voltage of main PCB Make sure circuit ...

Страница 60: ...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...

Страница 61: ...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...

Страница 62: ...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...

Страница 63: ...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...

Страница 64: ...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...

Страница 65: ...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...

Страница 66: ...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 49 Check the strainer clogging Check point 3 Check the outd...

Страница 67: ...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 31 2 Troubleshooting with error code TROUBLESHOOTING TROUBLESHOOTING ...

Страница 68: ...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 49 Check the strainer clogging Check point 3 Check the outdoor unit fan and heat exchanger Check for foreign o...

Страница 69: ...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 33 2 Troubleshooting with error code TROUBLESHOOTING TROUBLESHOOTING ...

Страница 70: ...er sup ply circuit Noise Check if there is any equipment causing harmonic wave near electric line Neon bulb or electric equipment that may cause harmonic wave Check the complete insulation of grounding Check point 3 Check electrical components Check the voltage of power supply Check if AC 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...

Страница 71: ...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...

Страница 72: ...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...

Страница 73: ...eck connection pipe specified pipe length and pipe diameter Check any loose or removed communication line If there is an abnormal condition correct it by referring to the installation manual or the DESIGN TECHNICAL MANUAL Check point 5 Check Refrigeration cycle Check if strainer is clogged Refer to the figure below Measure gas pressure and if there is a leakage correct it Check if EEV open or ther...

Страница 74: ...nd outlet as shown be low Pipe In Pipe Out If there is a difference like shown below there is a possibility of inside clogged In this case re place the strainer Pipe In Pipe Out 3 4 No cooling No heating 03 38 3 Troubleshooting without error code TROUBLESHOOTING TROUBLESHOOTING ...

Страница 75: ...grille and front panel normal Is main unit installed in stable condi tion Is fan guard installed normally Is fan broken or deformed Is the screw of fan loose Is there any object which obstruct the fan rotation Is fan broken or deformed Is the screw of fan loose Is there any object which obstruct the fan rotation End Check if vibration noise by loose bolt or contact noise of piping is happening Is ...

Страница 76: ...in stable condi tion Is main unit broken or deformed at the time of transportation or maintenance Is the filter clogged Is drain hose connection loose Is there a trap in drain hose Is drain hose clogged Check gas pressure and cor rect it if there was a gas leak MPa MPa Is fan rotating End End 3 6 Water leaking 03 40 3 Troubleshooting without error code TROUBLESHOOTING TROUBLESHOOTING ...

Страница 77: ...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...

Страница 78: ...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...

Страница 79: ...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 ...

Страница 80: ...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...

Страница 81: ...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...

Страница 82: ...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...

Страница 83: ...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 ...

Страница 84: ...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...

Страница 85: ...compressor is con sidered Locked compressor due to clogged dirt or less oil Is gas pipe valve open Low pressure is too low Defective compressor can be considered due to inside dirt clogging or broken component Replace compressor Check if refrigerant is leaking MPa MPa Replace compressor End Check if strainer is clogged Refer to outdoor EEV or capillary tube in this chap ter End Check main PCB conn...

Страница 86: ...ck point 2 Check winding resistance Check winding resistance of each terminal Resistance value 1 916 Ω 8 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 4 2 Inverter compressor 03 50 4 Service parts information TROUBLESHOOTING TROUBLESHOOTING ...

Страница 87: ...ce 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 P...

Страница 88: ...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 52 4 Service parts information TROUBLESHOOTING TROUBLESHOOTING ...

Страница 89: ...uit test Vm and GND terminal NOTE Vm DC voltage GND Earth terminal If they are short circuited below 300 kΩ replace indoor fan motor and controller PCB Pin number wire color Terminal function symbol 1 DC voltage 4 Earth terminal 1 Red DC voltage Vm 2 No function 3 No function 4 Black Earth terminal GND 5 White Control voltage Vcc 6 Yellow Speed command Vsp 7 Blue Feed back FG 4 4 Indoor unit fan m...

Страница 90: ... 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 4 5 Outdoor unit...

Страница 91: ...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...

Страница 92: ... 0 87 77 0 25 0 49 54 1 04 86 0 30 0 39 79 1 23 95 0 35 0 32 19 1 44 104 0 40 0 26 22 1 66 113 0 45 0 21 49 1 89 122 0 50 0 17 73 2 12 131 0 55 0 14 71 2 35 140 0 60 0 12 27 2 57 149 0 65 0 10 29 2 79 158 0 70 0 8 68 3 00 167 0 75 0 7 35 3 19 176 0 80 0 6 26 3 38 185 0 85 0 5 35 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...

Страница 93: ...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 ...

Страница 94: ...55 0 16 05 1 14 140 0 60 0 13 40 1 31 149 0 65 0 11 24 1 49 158 0 70 0 9 48 1 67 167 0 75 0 8 04 1 86 176 0 80 0 6 85 2 05 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 5...

Страница 95: ...4 CONTROL AND FUNCTIONS 2021 08 04 SR_CH04_AS051EF_01 ...

Страница 96: ...operation stopped 04 22 7 Various control 04 23 7 1 Auto restart 04 23 7 2 MANUAL AUTO operation 04 23 7 3 Forced cooling operation 04 24 7 4 ECONOMY operation 04 24 7 5 POWERFUL operation 04 24 7 6 Fresh air control 04 25 7 7 Compressor preheating 04 25 7 8 External electrical heater control 04 25 7 9 Electronic expansion valve control 04 26 7 10 Prevention to restart for 3 minutes 3 minutes st 0...

Страница 97: ...emperature is 2 F 1 0 C lower than a set temperature the compressor will be stopped When the room temperature is within the range of 11 F 6 0 C to 2 F 1 0 C of the setting temperature the rotation number of compressor is controlled within the range shown in the table below However the maximum rotation number is limited in the range shown in the figure below based on the indoor fan mode and the out...

Страница 98: ... 6 F 2 C Unit rps Model name Outdoor temperature zone Indoor unit fan mode HIGH MED LOW QUIET ASUH18LPAS A zone 80 46 36 22 B zone 80 46 36 22 C zone 80 46 36 22 D zone 50 39 32 22 E zone 50 39 32 22 F zone 50 39 32 22 ASUH24LPAS A zone 111 46 36 26 B zone 111 46 36 26 C zone 111 46 36 26 D zone 54 39 32 26 E zone 54 39 32 26 F zone 54 39 32 26 1 1 Cooling operation 04 2 1 Rotation number control ...

Страница 99: ...on number of compressor is controlled within the range shown below Rotation number range of compressor Unit rps Model name Minimum frequency Maximum frequency ASUH18LPAS ASUH24LPAS 8 130 Limit of maximum speed based on outdoor temperature In heating operation maximum rotation number is defined by outdoor temperature and fan mode A zone B zone 57 2 F 14 C C zone 14 0 F 10 C Outdoor temperature rise...

Страница 100: ...e 0 Compressor control based on room temperature Ts 1 F Ts 0 5 C Ts 3 F Ts 1 5 C Ts 3 F Ts 1 5 C X zone J zone Y zone Room temperature drops Room temperature rises Ts Set temperature Ts 1 F Ts 0 5 C 1 4 Rotation number of compressor at normal start up Compressor frequency soon after starting is controlled as below Rotation number I Rotation number II Rotation number III Rotation number IV Rotation...

Страница 101: ...8LPAS1 AOUH24LPAS1 A zone 33 rps B zone 33 rps C zone 33 rps D zone 25 rps E zone 10 rps F zone 20 rps Heating mode F zone E zone D zone C zone B zone A zone 66 2 F 19 C 32 0 F 0 C 5 0 F 15 C 13 0 F 25 C 41 0 F 5 C Model name Outdoor temperature zone Limitation of compressor frequency AOUH18LPAS1 AOUH24LPAS1 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 Li...

Страница 102: ...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 ...

Страница 103: ...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...

Страница 104: ...ention 580 680 S LOW 540 540 Cooling Fan POWERFUL 1 360 1 590 HIGH 1 260 1 490 MED 1 140 1 140 LOW 960 960 QUIET 680 810 Soft quiet 580 1 680 1 S LOW 540 2 540 2 Dry X zone 680 J zone 640 X zone 810 J zone 760 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 ...

Страница 105: ...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...

Страница 106: ... 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 ...

Страница 107: ...HIGH Indoor heat exchanger temperature drops POWERFUL LOW LOW LOW 86 0 F 30 C 98 6 F 37 C 102 2 F 39 C 107 6 F 42 C 98 6 F 37 C 89 6 F 32 C 82 4 F 28 C 93 2 F 34 C Moisture return prevention control cooling and dry mode Switch the airflow AUTO at cooling mode and the indoor fan motor will run as shown below Compressor On Off Indoor fan setting airflow S LOW Off 10 30 60 180 60 180 60 10 30 sec Ind...

Страница 108: ...ep Cooling Heating Dry Cooling or dry at low outdoor temp Y zone Y zone Z zone F zone G zone H zone S HIGH2 1 100 S HIGH1 1 050 1 100 HIGH 1 050 1 100 10 1 100 9 920 1 100 920 630 320 270 270 8 840 920 840 630 270 250 250 7 750 920 750 320 270 230 230 6 690 710 690 320 270 230 230 5 560 620 560 320 270 230 230 4 440 560 440 320 270 230 230 3 440 500 440 320 270 230 230 2 440 440 440 320 270 230 23...

Страница 109: ... zone F zone G zone H zone S HIGH2 1 100 S HIGH1 1 050 1 100 HIGH 1 050 1 100 10 1 100 9 920 1 100 1 050 630 320 270 270 8 840 1 050 840 630 270 250 250 7 750 920 750 320 270 230 230 6 690 710 690 320 270 230 230 5 560 620 560 320 270 230 230 4 440 560 440 320 270 230 230 3 440 500 440 320 270 230 230 2 440 440 440 320 270 230 230 1 440 440 440 320 270 230 230 NOTE After defrost control on the hea...

Страница 110: ...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...

Страница 111: ...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...

Страница 112: ...mer The program timer allows the off timer and the on timer to be used in combination one time Operation mode Stop mode Stop mode Stop mode Operation mode Operation mode Set time Set time Set time Set time Operation will start from the timer setting either off timer and on timer whichever is closest to the clock current timer setting The order of operations is indicated by the allow in the remote ...

Страница 113: ...ing temperature is not changed and the operation is stopped at the setting time Set temperature rises Ts Set temperature Stop of operation Ts 3 6 F 2 C Set 60 min 1 8 F 1 C In the heating operation mode When the sleep timer is set the setting temperature is decreased 1 8 F 1 C It decreases the setting temperature another 1 8 F 1 C every 30 minutes Upon lowering 7 2 F 4 C the setting temperature is...

Страница 114: ...mer The program timer allows the off timer and the on timer to be used in combination one time Operation mode Stop mode Stop mode Stop mode Operation mode Operation mode Set time Set time Set time Set time Operation will start from the timer setting either off timer and on timer whichever is closest to the clock current timer setting The order of operations is indicated by the allow in the remote ...

Страница 115: ...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 ...

Страница 116: ...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 ...

Страница 117: ...Tn Tnb 3 6 F 2 C Tn 21 2 F 6 C Tn 1 4 F 17 C Ta 14 0 F 10 C Tn 19 4 F 7 C or Tn 4 0 F 20 C Ta 14 0 F 10 C Integrating defrost Constant monitoring Compressor integrating operation time More than 240 min For long continuous operation More than 213 min For long continuous operation Less than 10 min For intermittent operation Condition Tn 26 6 F 3 C Tn 23 0 F 5 C Count of the compressor off 40 times I...

Страница 118: ...s are satisfied in heating operation Compressor operation integrating time 30 minutes or more Compressor continuous operation time 10 minutes or more Outdoor unit heat exchanger temperature 24 8 F 4 C or less Release condition The defrost operation is released when either one of the conditions below is satisfied Outdoor unit heat exchanger temperature after 1 minute or later since compressor start...

Страница 119: ...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 Operation mode Auto changeo...

Страница 120: ...on Pressing FORCED COOLING OPERATION button for 3 seconds 60 minutes passed after starting forced cooling operation NOTE When HEAT operation is selected on the remote controller during forced cooling operation heating test run will begin in about 3 minutes 7 4 ECONOMY operation The ECONOMY operation starts by pressing ECONOMY button on the remote controller The ECONOMY operation is almost the same...

Страница 121: ...n Tn 28 4 F 2 C 24 8 F 4 C When the jumper wire JM2 is disconnected 41 0 F 5 C Off On Tn Tn 44 6 F 7 C 7 8 External electrical heater control The external electrical heater is operated as below When the room temperature rises When the room temperature drops Ts Setting temperature Heater Off Heater On Heater Off Ts 5 4 F Ts 3 C Ts 21 6 F Ts 12 C Ts 1 8 F Ts 1 C Ts 18 0 F Ts 10 C NOTES When the comp...

Страница 122: ...t for 3 minutes 3 minutes st When the compressor fails to start for the number of times below it does not enter operation status for 3 minutes Retry number 50 Retry set number 3 When the compressor fails to start in the retry set number above the compressor is stopped 7 11 4 way valve control If heating mode is selected at the compressor start 4 way valve is energized for heating When the air cond...

Страница 123: ... total energized hours 11 h 00 081 Total filtering hours 11 h 00 082 Indoor unit fan total operation hours 11 h 00 095 Presence or absence detected by human sensor 00 0 Absence 1 Presence Human sensor error or No human sensor 00 140 Operation or Stop External input 00 0 Off 1 On When the function setting 46 is not set NOTE Available only for external input port of the indoor unit 00 142 Forced sto...

Страница 124: ...l output 00 0 Off 1 On NOTE The value is output even if the function setting or rotary switch is not set 01 Outdoor unit 01 000 Outdoor temp 01 F or C 01 001 Discharge temp 01 F or C 01 004 Heat exchanger outlet temp 01 F or C 01 050 Fan 1 rotation number 03 rpm 01 055 Compressor rotation number 04 rps 01 060 Expansion valve Upstream during heating 05 pls 01 080 4 way valve output status 07 Coolin...

Страница 125: ... starts blinking Trigger condition 219 2 F 104 C Compressor frequency 20 rps 120 seconds Release condition 213 8 F 101 C Compressor protection temperature 230 0 F 110 C 8 2 Anti freezing control cooling and dry mode The rotation number of compressor is decrease in cooling and dry mode when the indoor unit heat exchanger temperature sensor detects the temperature lower than the trigger condition Wh...

Страница 126: ...lease condition Cooling 122 0 F 50 C Ta 7 0 A 6 5 A 114 8 F 46 C Ta 122 0 F 50 C 7 0 A 6 5 A 104 0 F 40 C Ta 114 8 F 46 C 9 5 A 9 0 A 53 6 F 12 C Ta 104 0 F 40 C 13 5 A 13 0 A 35 6 F 2 C Ta 53 6 F 12 C 13 5 A 13 0 A Ta 35 6 F 2 C 13 5 A 13 0 A Heating 62 6 F 17 C Ta 7 0 A 6 5 A 53 6 F 12 C Ta 62 6 F 17 C 9 0 A 8 5 A 41 0 F 5 C Ta 53 6 F 12 C 13 0 A 12 5 A Ta 41 0 F 5 C 13 0 A 12 5 A 8 4 Cooling pr...

Страница 127: ...unit heat exchanger temperature rises Indoor unit heat exchanger temperature drops Stable zone AB BC CD DE Zone A Zone B Zone C Zone D Zone E AB 145 4 F 63 C BC 131 0 F 55 C CD 127 4 F 53 C DE 122 0 F 50 C Zone Operation Zone A Compressor is stopped Zone B The rotation number of compressor is decreased 25 rps 120 sec Zone C 3 rps 60 sec Zone D The protection is released and the operation is return...

Страница 128: ...8 7 High temperature and high pressure release control 04 32 8 Various protections CONTROL AND FUNCTIONS CONTROL AND FUNCTIONS ...

Страница 129: ...5 FILED WORKING 2021 08 04 SR_CH05_AS051EF_01 ...

Страница 130: ...ettings by using remote controller 05 1 1 2 Custom code setting for wireless remote controller 05 10 2 External input and output 05 11 2 1 External input 05 12 2 2 External output 05 14 2 3 Combination of external input and output 05 16 2 4 Details of function 05 18 ...

Страница 131: ...er the function setting mode STEP 1 Setting the remote controller custom code Use the following steps to select the custom code of the remote controller Note that the air condi tioner cannot receive a custom code if the air conditioner has not been set for the custom code The custom codes that are set through this process are applicable only to the signal in the function setting For details on how...

Страница 132: ...r unit beeps press the START STOP button to confirm the settings 5 Press the RESET button to cancel the function setting mode 6 After completing the function setting be sure to disconnect the pow er supply and then reconnect it Function number Setting value CAUTION After disconnecting the power supply wait 30 seconds or more before reconnecting it The func tion setting will not become active unles...

Страница 133: ...al 11 61 Control switching of external heaters 12 62 Operating temperature switching of external heaters 13 66 Outdoor temperature zone boundary temperature A 14 67 Outdoor temperature zone boundary temperature B 15 71 Standby time for auxiliary equipment operation 16 72 Heat pump backup setting 17 73 Emergency heat for external output terminal 18 95 Heat insulation condition building insulation 1...

Страница 134: ... 80 F 78 F 2 F The temperature correction values show the difference from the Standard setting 00 manufactur er s recommended value When Function 95 01 High insulation is set the Standard setting 00 will be the same as No cor rection 0 0 F 0 0 C 01 Function number Setting value Setting description Factory setting 30 For cooling 31 For heating 00 Standard setting 01 No correction 0 0 F 0 0 C 02 1 F...

Страница 135: ... 5 C Less cooling More heating 11 2 F 1 0 C 12 3 F 1 5 C 13 4 F 2 0 C 14 5 F 2 5 C 15 6 F 3 0 C 16 7 F 3 5 C 17 8 F 4 0 C 4 Auto restart Enables or disables automatic restart after a power interruption Function number Setting value Setting description Factory setting 40 00 Enable 01 Disable NOTE Auto restart is an emergency function such as for power outage etc Do not attempt to use this function ...

Страница 136: ...e Setting description Factory setting 48 00 Both 01 Wired remote controller 9 Indoor unit fan control for energy saving for cooling Enables or disables the power saving function by controlling the indoor unit fan rotation when the outdoor unit is stopped during cooling operation Function number Setting value Setting description Factory setting 49 00 Disable 01 Enable 02 Remote controller 00 When t...

Страница 137: ...02 Heat pump prohibition control 03 Auxiliary heater control by outdoor temperature 1 04 Auxiliary heater control by outdoor temperature 2 05 Auxiliary heater control by outdoor temperature 3 06 Auxiliary heat pump control 07 Auxiliary heat pump control by outdoor temperature 1 08 Auxiliary heat pump control by outdoor temperature 2 09 Auxiliary heat pump control by outdoor temperature 3 12 Operat...

Страница 138: ...r control by outdoor temperature 1 is performed on the indoor unit For details refer to External heater output in Chapter 2 4 Details of function on page 05 18 Function number Setting value Setting description Factory setting 67 00 42 8 F 6 C 01 14 0 F 10 C 02 17 6 F 8 C 03 21 2 F 6 C 04 24 8 F 4 C 05 28 4 F 2 C 06 32 0 F 0 C 07 35 6 F 2 C 08 39 2 F 4 C 09 42 8 F 6 C 10 46 4 F 8 C 11 50 0 F 10 C 1...

Страница 139: ...rapidly respond to the cooling or heating load changes High insulation 01 is when the heat insulation structure of the building is high and does not re quire system to rapidly respond to cooling or heating load changes When High insulation 01 is selected Overheating overcooling is prevented at the start up All room temperature control settings Function 30 31 35 and 36 will reset to No correction 0...

Страница 140: ... for the air conditioner 1 Press the START STOP button until the indicators on the re mote controller turn off 2 Press the MODE button for at least 5 seconds to display the current custom code Initially set to 3 Press the TEMP SELECT buttons to change the custom code between Match the code on the display to the air conditioner custom code Initially set to 4 Press the MODE button again to return to...

Страница 141: ...peration status CN47 Error status Indoor unit fan operation status Cooling thermostat On Heating thermostat On External heater output External input and output UTY XCSXZ2 Operation Stop CN313 CN314 Dry contact Apply voltage Edge Pulse Forced stop Forced thermostat off CN313 Edge Operation status CN310 CN311 CN312 Error status Indoor unit fan operation status External heater output Remote controlle...

Страница 142: ... cable 22AWG should be used Maximum length of cable is 492 ft 150 m The wire connection should be separate from the power cable line Indoor unit Indoor unit functions such as Operation Stop can be done by using indoor unit connectors 1 2 3 Connector CN46 PCB Connected unit 1 The switch can be used on the following condition DC 12 V to 24 V 1 mA to 15 mA 2 1 External input 05 12 2 External input an...

Страница 143: ...nput 1 PCB Connected unit 1 2 3 Input 2 Connector CN313 Connector CN314 1 The switches can be used on the following condition DC 12 V to 24 V 1 mA to 15 mA Apply voltage In case of external power supply set the slide switch of SW301 to VOL side 1 2 3 Input 1 Power supply PCB Connected unit 2 1 2 3 Input 2 Connector CN313 Connector CN314 1 The switches can be used on the following condition DC 12 V...

Страница 144: ...0 mA For details refer to Combination of external input and output on page 05 16 When indicator or other components are connected directly Example Function setting 60 is set to 00 1 2 Connector CN47 LED PCB Resistor Connected unit When connecting with a device equipped with a power supply Example Function setting 60 is set to 00 1 2 Connected device Connector CN47 PCB Connected unit Relay Operatio...

Страница 145: ...tor CN310 LED 1 Operation status PCB Resistor Connected unit 1 2 Connector CN311 LED 2 Error status Resistor 1 2 Connector CN312 LED 3 Indoor unit fan operation status Resistor When connecting with a device equipped with a power supply Example Rotary SW on External Input and Output PCB is set to 1 1 2 Connected device 1 Connector CN310 PCB Connected unit Relay Operation status 1 2 Connected device...

Страница 146: ...0 1 Operation Stop Operation Stop Error status Indoor unit fan operation status 0 2 60 00 2 Operation Stop Error status Indoor unit fan operation status External heater output 1 60 01 3 Cooling thermostat On Error status Indoor unit fan operation status External heater output 2 60 02 4 Cooling thermostat On Error status Remote controller output External heater output 3 60 03 5 Cooling thermostat O...

Страница 147: ... setting 46 00 Operation Stop mode 1 R C enabled 01 Setting prohibited 02 Forced stop 03 Operation Stop mode 2 R C disabled Input signal type External Input and Output PCB The input signal type can be selected Signal type edge or pulse can be switched by the DIP switch SW302 on the External Input and Output PCB Pulse The width of pulse must be longer than 200 msec Edge 2 3 Combination of external ...

Страница 148: ...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...

Страница 149: ...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...

Страница 150: ...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 ...

Страница 151: ...t signal Command 1 B C D External Input and Output PCB CN310 Off On Operation On Off Stop The output is low when the unit is stopped Operation Stop On Off CN310 Indoor unit Error status Rotary SW on External Input and Output PCB External output Output signal Command 1 C External Input and Output PCB CN311 Off On Error On Off Normal D CN312 Off On Error On Off Normal The output is ON when an error ...

Страница 152: ...ndoor unit fan is operating Low High Off The fan is stopped or during cold air prevention High Low During thermostat off when in dry mode operation Fan run Fan stop On Off CN311 312 Indoor unit External heater output Rotary SW on External Input and Output PCB External output Output signal Command 2 B C External Input and Output PCB CN312 Off On Heater on On Off Heater off 2 4 Details of function 0...

Страница 153: ...emperature 1 External device Heat pump 61 07 On Enabled Auxiliary heat pump control by outdoor temperature 2 External device Heat pump 61 08 On Enabled Auxiliary heat pump control by outdoor temperature 3 External device Heat pump 61 09 On Enabled NOTES After turning off the heater 3 minutes of standby time is required by next power on of the heater For items marked in the table any of validate or...

Страница 154: ...om temperature Ts Set temperature Thon Heater on temperature Example When set temperature Ts is 72 F 22 C Factory setting and room temperature Tr increases above 53 6 F 12 C signal output is on and room temperature Tr increases above 69 8 F 21 C signal output is off and room temperature Tr decreases below 66 2 F 19 C signal output is on and room temperature Tr decreases below 50 F 10 C signal outp...

Страница 155: ...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...

Страница 156: ...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 ...

Страница 157: ...ly zone Combination zone The outdoor temperature zone transition from one to another will stay in that zone for minimum of 30 min 46 4 F 8 C 42 8 F 6 C 0 4 F 18 C 4 F 20 C NOTE In following operations compressor will be on in heat pump prohibition zone Other than heating Test run 2 4 Details of function 05 27 2 External input and output FIELD WORKING FIELD WORKING ...

Страница 158: ...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...

Страница 159: ...mbination zone The outdoor temperature zone transition from one to another will stay in that zone for minimum of 30 min 46 4 F 8 C 42 8 F 6 C 0 4 F 18 C 4 F 20 C NOTE In following operations compressor will be on in heat pump prohibition zone Other than heating Test run 2 4 Details of function 05 29 2 External input and output FIELD WORKING FIELD WORKING ...

Страница 160: ...ced thermostat off Temperature of heater on Thon Adjustable by function number 62 Operating temperature switching of external heaters All control temperatures will shift by adjusting Thon Outdoor temperature zone boundary B Adjustable by function setting number 67 External heater output Tr Room temperature Ts Set temperature Thon Heater on temperature Off On Tr Ts 0 9 F 0 5 C Tr Ts Tr Ts Thon 0 9 ...

Страница 161: ...nly zone On On 12 V Off Off 0 V Heater Fan Comp On Off Outdoor temperature Factory setting Outdoor temperature zone 46 4 F 8 C 42 8 F 6 C 0 4 F 18 C 4 F 20 C NOTE In following operations compressor will be on in heat pump prohibition zone Other than heating Test run 2 4 Details of function 05 31 2 External input and output FIELD WORKING FIELD WORKING ...

Страница 162: ...re of heater off Set temperature Ts 0 9 F 0 5 C Tr Room temperature Ts Set temperature Thon Heater on temperature Off On Tr Ts Tr Ts Thon 0 9 F 0 5 C Tr Ts 0 9 F 0 5 C Auxiliary heat pump On Off Temperature of heater on Thon Adjustable by function number 62 Operating temperature switching of heat pump All control temperatures will shift by adjusting Thon Off On Tr Ts 1 8 F 1 C Tr Ts Tr Ts Thon 5 4...

Страница 163: ...e Ts Set temperature Thon Heater on temperature Off On Tr Ts Tr Ts Thon 0 9 F 0 5 C Tr Ts 0 9 F 0 5 C Auxiliary heat pump On Off Temperature of heater on Thon Adjustable by function number 62 Operating temperature switching of heat pump All control temperatures will shift by adjusting Thon Off On Tr Ts 1 8 F 1 C Tr Ts Tr Ts Thon 5 4 F 3 C Tr Room temperature Ts Set temperature Thon Heater on tempe...

Страница 164: ...mbination zone The outdoor temperature zone transition from one to another will stay in that zone for minimum of 30 min 46 4 F 8 C 42 8 F 6 C 0 4 F 18 C 4 F 20 C NOTE In following operations compressor will be on in heat pump prohibition zone Other than heating Test run 2 4 Details of function 05 34 2 External input and output FIELD WORKING FIELD WORKING ...

Страница 165: ... Ts Set temperature Thon Heater on temperature Off On Tr Ts Tr Ts Thon 0 9 F 0 5 C Tr Ts 0 9 F 0 5 C Auxiliary heat pump On Off Temperature of heater on Thon Adjustable by function number 62 Operating temperature switching of heat pump All control temperatures will shift by adjusting Thon Off On Tr Ts 1 8 F 1 C Tr Ts Tr Ts Thon 5 4 F 3 C Tr Room temperature Ts Set temperature Thon Heater on temper...

Страница 166: ...ibition zone On On 12 V Off Off 0 V Heater Fan Comp On Off Outdoor temperature Factory setting Outdoor temperature zone 46 4 F 8 C 42 8 F 6 C 0 4 F 18 C 4 F 20 C NOTE In following operations compressor will be on in heat pump prohibition zone Other than heating Test run 2 4 Details of function 05 36 2 External input and output FIELD WORKING FIELD WORKING ...

Страница 167: ...er on temperature Off On Tr Ts Tr Ts Thon 0 9 F 0 5 C Tr Ts 0 9 F 0 5 C Auxiliary heat pump On Off Temperature of heater on Thon Adjustable by function number 62 Operating temperature switching of heat pump All control temperatures will shift by adjusting Thon Off On Tr Ts 1 8 F 1 C Tr Ts Tr Ts Thon 5 4 F 3 C Tr Room temperature Ts Set temperature Thon Heater on temperature Outdoor temperature zon...

Страница 168: ...transition from one to another will stay in that zone for minimum of 30 min 46 4 F 8 C 42 8 F 6 C 0 4 F 18 C 4 F 20 C Combination zone Heat pump prohibition zone NOTE In following operations compressor will be on in heat pump prohibition zone Other than heating Test run 2 4 Details of function 05 38 2 External input and output FIELD WORKING FIELD WORKING ...

Страница 169: ...ndividual connection External output Heating thermostat on Humidifier Operation status The heating thermostat output for CNB01 1 2 or 1 3 or 1 or 1 5 will be on when comp on or ex ternal heater on The heating thermostat output will be off when comp off and external heater off Heating operation Heating thermostat On output External heater output On Off Comp On Off On On On On On Off Off Off Off Off...

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