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7) Cold air prevention

This setting is to disable the cold air prevention function during heating operation. When disabled,
the fan setting will always follow the setting on the remote controller. (Excluding defrost mode)

Function number

Setting value

Setting description

Factory setting

43

00

Enable

♦

01

Disable

8) Remote controller custom code

(Only for wireless remote controller)
The indoor unit custom code can be changed. Select the appropriate custom code.

Function number

Setting value

Setting description

Factory setting

44

00

A

♦

01

B

02

C

03

D

9) External input control

"Operation/Stop" mode or "Forced stop" mode can be selected.

Function number

Setting value

Setting description

Factory setting

46

00

Operation/Stop mode 1

♦

01

(Setting prohibited)

02

Forced stop mode

03

Operation/Stop mode 2

10) Room temperature sensor switching (Aux.)

To use the temperature sensor on the wired remote controller only, change the setting to "Wired
remote controller" (01).
This function will only work if the function setting 42 is set at "Both" (01).
When the setting value is set to "Both" (00), more suitable control of the room temperature is pos-
sible by setting function setting 30 and 31 too.

Function number

Setting value

Setting description

Factory setting

48

00

Both

♦

01

Wired remote controller

DESIGN & TECHNICAL MANUAL

- 46 -

DUCT TYPE

ARHG72-90LHTA

Содержание GENERAL ARHG72LHTA

Страница 1: ...AIR CONDITIONER Duct type DESIGN TECHNICAL MANUAL INDOOR ARHG72LHTA ARHG90LHTA OUTDOOR AOHG72LRLA AOHG90LRLA DR_AR012EG_04 2017 09 27 ...

Страница 2: ...roduct specifications and design are subject to change without notice for future improvement For further details please check with our authorized dealer Copyright 2017 Fujitsu General Limited All rights reserved ...

Страница 3: ...erformance curve 11 6 2 Airflow 15 7 Operation noise sound pressure 17 7 1 Noise level curve 17 7 2 Sound level check point 18 8 Electrical characteristics 19 9 Safety devices 20 10 External input and output 21 10 1 External input 22 10 2 External output 23 10 3 Combination of external input and output 24 10 4 Details of function 26 11 Remote controller 32 11 1 Wired remote controller 32 12 Functi...

Страница 4: ...RLA 62 7 Additional charge calculation 63 7 1 Model AOHG72LRLA 63 7 2 Model AOHG90LRLA 63 8 Airflow 64 8 1 Model AOHG72LRLA 64 8 2 Model AOHG90LRLA 64 9 Operation noise sound pressure 65 9 1 Noise level curve 65 9 2 Sound level check point 66 10 Electrical characteristics 67 11 Safety devices 68 12 External input and output 69 12 1 External input 69 12 2 External output 71 13 Function settings 73 ...

Страница 5: ...Part 1 INDOOR UNIT DUCT TYPE ARHG72LHTA ARHG90LHTA ...

Страница 6: ...ssion line O U I U 4 Power supply Indoor Unit 5 Remote controller line I U R C 1 Earth leakage breaker Power supply Circuit breaker over current 5 Power supply Earth leakage breaker Circuit breaker over current Outdoor unit 2 Indoor unit φ3 400V 50Hz φ1 230V 50Hz 2 DUCT TYPE ARHG72 90LHTA ...

Страница 7: ...40 Sound power level Cooling dB A 79 79 Heating 80 80 Heat exchanger type Dimensions H W D mm 546 1 158 39 9 Main 546 1 158 39 9 Sub 252 1 158 13 3 2 Fin pitch 1 3 Main 1 3 Sub 1 45 Rows Stages 3 26 Main 3 26 Sub 1 12 2 Pipe type Copper Fin type Aluminium Enclosure Material Steel Color Dimensions H W D Net mm 360 1 400 850 Gross 460 1 640 1 030 Weight Net kg 69 80 Gross 80 91 Connection pipe Size ...

Страница 8: ...3 Dimensions 3 1 Models ARHG72LHTA and ARHG90LHTA Unit mm Gas pipe Drain port Control box Liquid pipe Air Side view R Top view Side view L Front view Rear view 90 88 4 DUCT TYPE ARHG72 90LHTA ...

Страница 9: ...tion by which service space is made on top of the unit recommended Unit mm 450 or more 500 or more 150 or more 20 or more 2 500 or more When no ceiling Installation by which service is carried out from the bottom of the unit Unit mm 500 or more 150 or more 20 or more 20 or more 2 500 or more When no ceiling 5 DUCT TYPE ARHG72 90LHTA ...

Страница 10: ...Do not place any wiring or illumination in the maintenance space as they will impede service Models ARHG72LHTA and ARHG90LHTA AIR Service access 700 or more 700 or more 500 or more Control box Bottom view Unit mm Bottom view Service access 2 000 or more 100 500 or more 500 or more AIR Unit mm 6 DUCT TYPE ARHG72 90LHTA ...

Страница 11: ...4 Wiring diagrams 4 1 Model ARHG72LHTA I O PCB WLAN adapter Converter etc 7 DUCT TYPE ARHG72 90LHTA ...

Страница 12: ...4 2 Model ARHG90LHTA I O PCB WLAN adapter Converter etc 8 DUCT TYPE ARHG72 90LHTA ...

Страница 13: ...55 6 59 40 14 86 12 23 5 91 16 55 12 58 5 99 17 12 13 68 6 03 18 25 13 72 6 08 18 81 14 82 6 11 19 94 14 77 6 18 21 07 15 72 6 24 46 11 84 11 08 5 76 13 19 11 90 5 83 13 63 12 61 5 87 14 52 12 98 5 93 14 98 14 02 5 96 15 89 13 96 6 02 16 78 14 86 6 07 Model ARHG90LHTA AFR m3 h 4 300 Indoor temperature CDB 18 21 23 25 27 29 32 CWB 12 15 16 18 19 21 23 Outdoor temperature CDB TC SHC IP TC SHC IP TC ...

Страница 14: ... 61 25 38 7 71 20 15 25 25 6 25 24 64 6 37 24 04 6 50 23 44 6 64 22 83 6 72 24 18 25 81 6 21 25 19 6 33 24 58 6 47 23 96 6 61 23 35 6 69 Model ARHG90LHTA AFR m3 h 4 300 Indoor temperature CDB 16 18 20 22 24 Outdoor temperature CDB CWB TC IP TC IP TC IP TC IP TC IP kW kW kW kW kW 20 21 12 77 6 65 12 47 6 79 12 16 6 93 11 86 7 07 11 56 7 19 15 16 19 57 7 68 19 11 7 84 18 64 8 00 18 18 8 16 17 72 8 3...

Страница 15: ... Qu Normal SP l s m3 h 1 389 556 695 833 972 1 111 1 250 2 000 2 500 3 000 3 500 4 000 4 500 5 000 l s m3 h Airflow 0 280 300 260 240 220 200 180 160 140 120 100 80 60 40 20 External Static Pressure Pa 1 389 556 695 833 972 1 111 1 250 2 000 2 500 3 000 3 500 4 000 4 500 5 000 Fan performance curve_2 For function setting by remote controller Hi SP mode13 14 15 Hi SP mode11 Hi SP mode09 Hi Normal S...

Страница 16: ...ssure with referring Fan performance curve_2 above The default setting is set at Normal SP Characteristics of air volume and capacity Cooling l s m3 h Airflow 1 389 556 695 833 972 1 111 1 250 2 000 2 500 3 000 3 500 4 000 4 500 5 000 100 105 95 Capacity Heating l s m3 h Airflow 1 389 556 695 833 972 1 111 1 250 2 000 2 500 3 000 3 500 4 000 4 500 5 000 100 105 95 Capacity 12 DUCT TYPE ARHG72 90LH...

Страница 17: ...56 695 833 972 1 111 1 250 2 000 2 500 3 000 3 500 4 000 4 500 5 000 Fan performance curve_2 For function setting by remote controller Hi SP mode11 Hi SP mode09 Hi Normal SP Hi SP mode07 Hi SP mode05 Hi SP mode12 Hi SP mode10 Hi SP mode08 Hi SP mode06 Hi SP mode20 Hi SP mode18 Hi SP mode16 Hi SP mode14 Hi SP mode19 Hi SP mode17 Hi SP mode15 Hi SP mode13 NOTES Setting of the external static pressur...

Страница 18: ...ration manual of the remote controller During automatic airflow adjustment the mode will be fixed at fan High When this function is active do not operate the outdoor unit 3 The air conditioner will run for about 1 to 8 min then stop automatically Do not change the throttles of the inlet and outlet ports during operation When used in a group control system the setting will take about 10 min 4 Turn ...

Страница 19: ...ED m3 h 3 900 l s 1 083 CFM 2 296 LOW m3 h 3 450 l s 958 CFM 2 031 QUIET m3 h 3 000 l s 833 CFM 1 766 Heating Fan speed Airflow HIGH m3 h 4 300 l s 1 195 CFM 2 531 MED m3 h 3 900 l s 1 083 CFM 2 296 LOW m3 h 3 450 l s 958 CFM 2 031 QUIET m3 h 3 000 l s 833 CFM 1 766 15 DUCT TYPE ARHG72 90LHTA ...

Страница 20: ... h 3 900 l s 1 083 CFM 2 296 LOW m3 h 3 450 l s 958 CFM 2 031 QUIET m3 h 3 000 l s 833 CFM 1 766 Heating Fan speed Airflow HIGH m3 h 4 300 l s 1 195 CFM 2 531 MED m3 h 3 900 l s 1 083 CFM 2 296 LOW m3 h 3 450 l s 958 CFM 2 031 QUIET m3 h 3 000 l s 833 CFM 1 766 16 DUCT TYPE ARHG72 90LHTA ...

Страница 21: ...3 125 250 500 1 000 2 000 4 000 8 000 NC 65 NC 60 NC 55 NC 50 NC 45 NC 40 NC 35 NC 30 NC 25 NC 20 NC 15 High Quiet Model ARHG90LHTA Cooling Octave band sound pressure level dB 0 dB 0 0002 µbar Octave band center frequency Hz 80 70 60 50 40 30 20 10 0 63 125 250 500 1 000 2 000 4 000 8 000 NC 65 NC 60 NC 55 NC 50 NC 45 NC 40 NC 35 NC 30 NC 25 NC 20 NC 15 Quiet High Heating Octave band sound pressur...

Страница 22: ...7 2 Sound level check point Front view Microphone Side view Product Air 1 5 m 2 m 1 m Microphone Measuring duct Set the static pressure as rating in this area Measuring duct 18 DUCT TYPE ARHG72 90LHTA ...

Страница 23: ...onnection cable 2 mm2 1 5 Limited wiring length m 101 1 Selected sample based on Japan Electrotechnical Standards and Codes Committee E0005 As the regulations of wire size and circuit breaker differ in each country or region select appropri ate devices complied to the regional standard 2 Limit voltage drop to less than 2 Increase conductor size if voltage drop is 2 or more 19 DUCT TYPE ARHG72 90LH...

Страница 24: ...rotection Protection form Model ARHG72LHTA ARHG90LHTA Circuit protection Current fuse PCB 250 V 3 15 A 250 V 10 A 250 V 20 A Fan motor protection Current protection 12 9 A 19 3 A Printed Circuit Board 20 DUCT TYPE ARHG72 90LHTA ...

Страница 25: ...onnector Input select Input signal External connect kit Optional parts Indoor unit Operation Stop Forced stop Terminal Dry contact Edge Operation status CN47 UTY XWZXZG Error status Indoor unit fan operation status External heater output External input and output UTY XCSX Operation Stop Input 1 Input 2 Dry contact Apply voltage Edge Pulse Forced thermostat off Input 1 Edge Operation status Output ...

Страница 26: ... can be set by using the input terminal on the PCB Input select Use either one of these types of terminals according to the application Both types of termi nals cannot be used simultaneously Dry contact In case of internal power supply set the slide switch of SW1 to NON VOL side 1 2 C Input 1 Input 2 PCB Connected unit 1 The switches can be used on the following condition DC 12 V to 24 V 1 mA to 1...

Страница 27: ...o 00 1 2 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 CN47 PCB Connected unit Relay Operation status External input and output PCB A twisted pair cable 22AWG should be used Permissible voltage and current DC 5 V to 30 V 3 A AC 30 V to 250 V 3 A For details refer to Chapter 10 3 Combinat...

Страница 28: ...le Edge 11 60 11 D Operation Stop Forced Thermostat OFF Not available Edge Mode Function setting External input and output PCB Rotary SW External output Indoor unit Output External input and output PCB CN47 Output 1 Output 2 Output 3 0 1 60 00 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 Exter...

Страница 29: ... Edge External input and output PCB The input signal type can be selected Signal type edge or pulse can be switched by the DIP switch 2 SW2 on the External input and output PCB Edge Pulse The width of pulse must be longer than 200 msec 25 DUCT TYPE ARHG72 90LHTA ...

Страница 30: ... 1 Off On Operation On Off Stop Operation Stop Remote controller On Off Indoor unit On Input In the case of Pulse input Function setting Rotary SW of External input and output PCB External input Input signal Command 46 00 60 00 1 External input and output PCB Input 1 Pulse Operation Input 2 Pulse Stop On On Off Operation Stop Remote controller On Off Indoor unit Input 1 Input 2 NOTES The last comm...

Страница 31: ...the case of Pulse input Function setting Rotary SW of External input and output PCB External input Input signal Command 46 02 60 00 1 External input and output PCB Input 1 Pulse Forced stop Input 2 Pulse Normal On Off Operation Stop Remote controller On Off Forced stop Normal Input 1 Input 2 On On On Indoor unit NOTES When the forced stop is triggered indoor unit stops and Operation Stop operation...

Страница 32: ... Indoor unit Stop R C disabled Remote controller On On Off In the case of Pulse input Function setting Rotary SW of External input and output PCB External input Input signal Command 46 03 60 00 1 External input and output PCB Input 1 Pulse Operation Input 2 Pulse Stop R C disabled On On Off Operation Stop Remote controller On Off Indoor unit Input 1 Input 2 R C disabled Off On NOTES When Operation...

Страница 33: ...ff Compressor Room temp Set temp Input Control output function Function setting Rotary SW of External input and output PCB External output Output signal Command 60 00 1 2 Output of indoor unit CN47 Low High Operation High Low Stop 60 00 1 External input and output PCB Output 1 Off On Operation 60 09 B 60 10 C On Off Stop 60 11 D The output is low when the unit is stopped Operation Stop High Low CN...

Страница 34: ...n Off Output 1 2 3 Indoor unit Indoor unit fan operation status Function setting Rotary SW of External input and output PCB External output Output signal Command 60 10 C Output of indoor unit CN47 Low High Fan run High Low Fan stop 60 00 2 External input and output PCB Output 2 Off On Fan run 60 09 B On Off Fan stop 60 11 D 60 00 1 Output 3 Off On Fan run On Off Fan stop Output signal Condition On...

Страница 35: ... Heater turns off as shown in diagram of heating temperature Other than Heating mode On Off Error occurred Forced thermo off Fan stop protection Specifications of the signal output performance are as shown as follows Example When set temperature Ts is set at 22 C And room temperature Tr increase above 12 C signal output is on And Tr increase above 21 C signal output is off And Tr decrease below 19...

Страница 36: ...nside Senses ambient temperature of unit f buttons Used to select setting items during the setting item se lection screen is displayed g MENU button Used to display the setting item selection screen h MODE button Each time the button is pressed operation mode switch es as follows Auto Cool Dry Fan Heat i On Off button Starts or stops the operation NOTE On Off button cannot be operated at screens o...

Страница 37: ...ding Remote controller Indoor unit Y1 Y1 Y2 Y2 Y3 2 remote controllers When there is a functional grounding Remote controller Remote controller Y1 Y1 Y2 Y2 Y1 Y2 Y3 Indoor unit Group control When there is a functional grounding Remote controller Indoor units Y2 Y2 Y2 Y2 Y2 Y3 Y3 Y3 Y3 Y1 Y1 Y1 Y1 Y1 NOTES Group connection with simultaneous multi system is not allowed Group control with Polar 3 wir...

Страница 38: ...ar view Front view Hole 9 4 5 Hole 6 4 5 Hole 12 5 4 5 30 33 23 15 3 83 5 45 3 63 5 17 120 120 Size H W D mm 120 120 17 Weight g 170 Power V 12 Wiring specifications Use Cable size Wire type Remarks Remote controller cable 0 33 to 1 25 mm2 Non polar 2 core Twisted pair Use sheathed PVC cable 34 DUCT TYPE ARHG72 90LHTA ...

Страница 39: ...sing some components on the PCB you can change the function settings Related components on the PCB and the applicable settings Component Setting content DIP switch100 1 Remote controller address setting 2 3 4 DIP switch101 1 Setting change prohibited 2 Setting change prohibited 3 Fan delay setting Component location Components on the indoor unit main PCB used for the function settings are located ...

Страница 40: ... 04 OFF OFF ON OFF 05 ON OFF ON OFF 06 OFF ON ON OFF 07 ON ON ON OFF 08 OFF OFF OFF ON 09 ON OFF OFF ON 10 OFF ON OFF ON 11 ON ON OFF ON 12 OFF OFF ON ON 13 ON OFF ON ON 14 OFF ON ON ON 15 ON ON ON ON 00 01 02 Remote controller address Indoor unit Remote controller Switch 1 Setting change prohibited SW101 Switch 2 Setting change prohibited SW101 Switch 3 Fan delay setting SW101 When the indoor uni...

Страница 41: ... is set automatically Do not change the indoor unit remote controller address from the factory setting 0 Verify that the address is 0 1 To activate the address setting mode hold down the three buttons of MENU and EN TER at the same time for 2 seconds or longer Menu 2 setting screen is displayed 2 Select the 15 in Menu 2 settings Then press the ENTER button 3 The address of this unit is displayed o...

Страница 42: ...t duplicate the remote controller address of an indoor unit connected by the same remote controller ca ble 1 To activate the address setting mode hold down the three buttons of MENU and EN TER at the same time for 2 seconds or longer Menu 2 setting screen is displayed 2 Select the 15 in Menu 2 settings Then press the ENTER button 3 The address of this unit is displayed on the screen Set the unit n...

Страница 43: ...displayed 2 Select the 14 in Menu 2 settings Then press the ENTER button 3 To reset address select 1 Reset with the or buttons If not resetting press the MENU button to the Menu 2 item selection screen is displayed Address automatically allocated Not displayed Address manually allocated Not reset Reset Press the ENTER button to return to the Menu 2 item selection screen 39 DUCT TYPE ARHG72 90LHTA ...

Страница 44: ... buttons Master Slave 4 Press the ENTER button If there is no problem return to Menu 2 items selection screen In the case of settings at initial booting Monitor mode screen is displayed There s 0 or more than 2 Master units The number will be displayed Master is 0 Press the ENTER button to return to the Menu 2 item selection screen Master is more than 2 Press the ENTER button to return to the scre...

Страница 45: ...llowing items Piping air tight test and vacuuming have been performed firmly There is no wiring mistake 1 Connect the power supply 2 To activate the address setting mode hold down the three buttons of MENU and EN TER at the same time for 2 seconds or longer Menu 2 setting screen is displayed 3 Select the 13 in Menu 2 settings Then press the ENTER button 4 Pressing the or button select a remote con...

Страница 46: ...mber Example Function number 30 Setting number 01 Good Error When the data was not set up on the indoor unit Set up the data again When the data was normally set up on the indoor unit is displayed Pressing the ENTER button to return to the address selection screen If setting has been completed pressing the MENU button to return to the Menu 2 item se lection screen 42 DUCT TYPE ARHG72 90LHTA ...

Страница 47: ...or switching 7 43 Cold air prevention 8 44 Remote controller custom code 9 46 External input control 10 48 Room temperature sensor switching Aux 11 49 Indoor unit fan control for energy saving for cooling 12 60 Switching functions for external output terminal 1 Filter sign Select appropriate intervals for displaying the filter sign on the indoor unit according to the esti mated amount of dust in t...

Страница 48: ...Pa 3 Room temperature control for indoor unit sensor Depending on the installed environment correction of the room temperature sensor may be re quired Select the appropriate control setting according to the installed environment The temperature correction values show the difference from the Standard setting 00 manufac turer s recommended value Function number Setting value Setting description Fact...

Страница 49: ... C 14 2 5 C 15 3 0 C 16 3 5 C 17 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 in normal operation Be sure to operate the unit by remote controller or external de...

Страница 50: ... External input control Operation Stop mode or Forced stop mode can be selected Function number Setting value Setting description Factory setting 46 00 Operation Stop mode 1 01 Setting prohibited 02 Forced stop mode 03 Operation Stop mode 2 10 Room temperature sensor switching Aux To use the temperature sensor on the wired remote controller only change the setting to Wired remote controller 01 Thi...

Страница 51: ...able or disable this function by remote controller setting NOTES As the factory setting this setting is initially inactivated Set to 00 or 01 when connecting a remote controller that cannot set the Fan control for energy saving function or connecting a network converter To confirm if the remote controller has this setting refer to the operating manual of each re mote controller 12 Switching functi...

Страница 52: ...ng manual For remote controller 1 Cable tie medium 1 Installation manual For indoor unit 1 Cable tie small 1 Installation manual For remote controller 1 Remote controller 1 Special nut A large flange 4 Remote controller accessories 1 set Special nut B small flange 4 Drain hose insulation 1 Washer 8 Drain hose 1 Coupler heat insulation large 1 Hose band 1 48 DUCT TYPE ARHG72 90LHTA ...

Страница 53: ... wire Wired remote controller UTY RNNGM Room temperature can be controlled by detecting the temperature accurately with built in thermo sensor Wire type Polar 3 wire Simple remote controller UTY RSRG Compact remote controller concentrates on the basic functions such as Start Stop fan control temperature setting and operation mode Wire type Non polar 2 wire Simple remote controller UTY RHRG Compact...

Страница 54: ... receiver kit with wireless remote controller UTY LBTGM Unit control is performed by wireless remote controller NOTE Available functions may differ by the remote controller For details refer to the operation manual 50 DUCT TYPE ARHG72 90LHTA ...

Страница 55: ...es and air conditioner PCB For control output port External input and output PCB UTY XCSX Use to connect with external devices and air conditioner PCB Wireless LAN adapter UTY TFSXZ1 Remotely manage an air conditioning system using mobile devices such as smartphones and tablets MODBUS converter UTY VMSX For connection between an air conditioner and a MODBUS open network KNX converter UTY VKSX For ...

Страница 56: ...necting single split system to VRF network system External switch controller UTY TERX Air conditioner switching can be controlled by connecting other external sensor switches NOTE Combined use of External input and output PCB MODBUS converter KNX converter and Wireless LAN adapter is not allowed 52 DUCT TYPE ARHG72 90LHTA ...

Страница 57: ...Part 2 OUTDOOR UNIT SINGLE TYPE AOHG72LRLA AOHG90LRLA ...

Страница 58: ... R410A Factory charge g 5 600 7 100 Refrigerant oil Type FVC68D Amount cm3 2 300 Enclosure Material Painted galvanized steel Color Beige Approximate color of MUNSELL 10YR 7 5 1 0 Dimensions H W D Net mm 1 428 1 080 480 Gross 1 557 1 174 600 Weight Net kg 165 174 Gross 183 192 Connection pipe Size Liquid mm in Ø 12 70 Ø 1 2 Gas Ø 25 40 Ø 1 Method Brazing Pre charge length m 30 Max length 100 Max he...

Страница 59: ... and AOHG90LRLA Unit mm Top view Front view Rear view Side view Bottom view 196 688 515 5 40 5 39 196 1 080 1 428 23 5 A 1 017 1 102 40 480 12 B C 447 479 Terminal blocks Power Terminal blocks Transmission 55 OUTDOOR UNIT AOHG72 90LRLA ...

Страница 60: ...s at the rear and sides 100 or more 100 or more 300 or more 80 or more When there are obstacles at the front only When there are obstacles at the front and rear 1 000 or more 1 000 or more 100 or more When there is an obstruction in the upper space Unit mm When there are obstacles at the rear and above When there are obstacles at the rear sides and above 100 or more Max 500 1 000 or more 1 500 or ...

Страница 61: ...ine provide the space as shown in the following example when an obstruction is present also in the upward area When the upper space is open Unit mm When there are obstacles at the rear only When there are obstacles at the front only 300 or more 1 500 or more When there are obstacles at the front and rear 500 or more 1 500 or more When there is an obstruction in the upper space Unit mm When there a...

Страница 62: ...e sure to open the front and left side to obtain better opera tion efficiency CAUTION When the outdoor temperature is 0 C or less do not use the accessory drain pipe and drain cap If the drain pipe and drain cap are used the drain water in the pipe may freeze in ex tremely cold climate For reverse cycle model only In area with heavy snowfall if the inlet and outlet of the outdoor unit is blocked w...

Страница 63: ...els AOHG72LRLA and AOHG90LRLA Pressure sensor High Pressure switch Strainer Pressure sensor Low 25 4mm 1in 12 7mm 1 2in Muffler Expansion Valve 3 WAY Valve 4 WAY Valve Pressure Check Valve 3 WAY Valve 59 OUTDOOR UNIT AOHG72 90LRLA ...

Страница 64: ...5 Wiring diagrams 5 1 Models AOHG72LRLA and AOHG90LRLA 60 OUTDOOR UNIT AOHG72 90LRLA ...

Страница 65: ...0 844 0 819 0 794 0 769 7 5 1 000 0 994 0 969 0 943 0 918 0 893 0 868 0 844 0 819 0 794 0 769 10 0 994 0 969 0 943 0 918 0 893 0 868 0 844 0 819 0 794 0 769 20 0 969 0 943 0 918 0 893 0 868 0 844 0 819 0 794 0 769 30 0 943 0 918 0 893 0 868 0 844 0 819 0 794 0 769 HEATING Pipe length m 5 7 5 10 20 30 40 50 60 70 80 90 100 Height difference H m Indoor unit is higher than outdoor unit 1 30 0 977 0 9...

Страница 66: ... 868 0 844 0 819 0 794 0 769 20 0 969 0 943 0 918 0 893 0 868 0 844 0 819 0 794 0 769 30 0 943 0 918 0 893 0 868 0 844 0 819 0 794 0 769 HEATING Pipe length m 5 7 5 10 20 30 40 50 60 70 80 90 100 Height difference H m Indoor unit is higher than outdoor unit 1 30 0 977 0 966 0 956 0 946 0 938 0 928 0 918 0 908 20 0 987 0 977 0 966 0 956 0 946 0 938 0 928 0 918 0 908 10 0 997 0 987 0 977 0 966 0 956...

Страница 67: ...50 60 70 80 90 100 Max 110 g m Additional charge amount g 0 1 100 2 200 3 300 4 400 5 500 6 600 7 700 7 2 Model AOHG90LRLA Refrigerant type R410A Factory charge amount g 7 100 Refrigerant charge Total pipe length m 30 or less 40 50 60 70 80 90 100 Max 110 g m Additional charge amount g 0 1 100 2 200 3 300 4 400 5 500 6 600 7 700 63 OUTDOOR UNIT AOHG72 90LRLA ...

Страница 68: ...ling Airflow m3 h 8 400 l s 2 334 CFM 4 944 Heating Airflow m3 h 8 400 l s 2 334 CFM 4 944 8 2 Model AOHG90LRLA Cooling Airflow m3 h 8 400 l s 2 334 CFM 4 944 Heating Airflow m3 h 9 000 l s 2 500 CFM 5 297 64 OUTDOOR UNIT AOHG72 90LRLA ...

Страница 69: ... 20 10 0 63 125 250 500 1 000 2 000 4 000 8 000 NC 65 NC 60 NC 55 NC 50 NC 45 NC 40 NC 35 NC 30 NC 25 NC 20 NC 15 Model AOHG90LRLA Cooling Octave band sound pressure level dB 0 dB 0 0002 µbar Octave band center frequency Hz 80 70 60 50 40 30 20 10 0 63 125 250 500 1 000 2 000 4 000 8 000 NC 65 NC 60 NC 55 NC 50 NC 45 NC 40 NC 35 NC 30 NC 25 NC 20 NC 15 Heating Octave band sound pressure level dB 0...

Страница 70: ...evel check point 1 m Airflow Microphone Microphone Rear Rear view Side view NOTE Detailed shape of the actual outdoor unit might be slightly different from the one illustrat ed above 66 OUTDOOR UNIT AOHG72 90LRLA ...

Страница 71: ... Connection cable 2 mm2 1 5 Limited wiring length m 101 1 Selected sample based on Japan Electrotechnical Standards and Codes Committee E0005 As the regulations of wire size and circuit breaker differ in each country or region select appropri ate devices complied to the regional standard 2 Limit voltage drop to less than 2 Increase conductor size if voltage drop is 2 or more 67 OUTDOOR UNIT AOHG72...

Страница 72: ... Compressor temp Activate 130 C Compressor stop Reset 80 C Compressor restart Thermal protection program Discharge temp Activate 115 C Compressor stop Reset After 7 minutes Compressor restart High pressure protection Pressure switch Activate 4 2 0 0 15 MPa Compressor stop Reset 3 2 0 15 MPa Compressor restart Pressure sensor Activate 4 1 MPa Compressor stop Reset After 3 minutes Compressor restart...

Страница 73: ...e when closing the contact input of a commercial timer or on off switch to a connector on the control PCB of the outdoor unit NOTE Product performance may drop depending on some conditions such as the outdoor tem perature Circuit diagram example CN131 Outdoor unit control PCB Connected unit Example Switch Signal 10 m Connector Locally purchased CN131 Contact capacity DC 24 V or more 10 mA or more ...

Страница 74: ...unit Example Switch Signal 10 m Connector Locally purchased CN132 Contact capacity DC 24 V or more 10 mA or more Make the distance from the PCB to the connect ed unit within 10 m Construct a circuit as shown in this figure with us ing optional parts mentioned below Input signal On in Peak cut mode Input signal Off in normal operation To set the level of Peak cut mode refer to Peak cut mode on page...

Страница 75: ...a malfunction occurs Circuit diagram example CN136 Signal Outdoor unit control PCB Connected unit Connector 1 2 Locally purchased 10 m Vcc Load Vcc Power supply CN136 1 Power supply Voltage Vcc DC 24 V or less 2 Load DC 500 mA or less Make the distance from the PCB to the connected unit within 10 m Error Normal On Off Error status Output signal Optional part Part name Model name Exterior External ...

Страница 76: ...nnected unit Connector 1 2 Locally purchased 10 m Vcc Load Vcc Power supply CN137 1 Power supply Voltage Vcc DC 24 V or less 2 Load DC 500 mA or less Make the distance from the PCB to the connected unit within 10 m Operation Stop On Off Compressor status Output signal Optional part Part name Model name Exterior External connect kit UTY XWZXZ3 72 OUTDOOR UNIT AOHG72 90LRLA ...

Страница 77: ...ge the static electricity from your body Never touch the terminals or the patterns on the parts that are mounted on the PCB 13 1 Local setting switch buttons Control PCB and switch buttons location Control PCB of the outdoor unit is located as shown in the following figure LED display and button Switch buttons and the functions SW107 SW108 SW109 SW112 SW110 LED display part Button part 73 OUTDOOR ...

Страница 78: ...ion Function setting table No Setting item LED display Factory setting POWER MODE ERROR PUMP DOWN LOW NOISE PEAK CUT L1 L2 L3 L4 L5 L6 1 Low noise mode setting Level 1 Blink 9 times Level 2 2 Peak cut mode setting Level 1 Level 2 Level 3 Level 4 Sign Lights off Lights on No Setting item Content 1 Low noise mode setting By using the Low noise mode the limit of the noise level will be set to decreas...

Страница 79: ...ndicates the current setting L2 L3 LOW NOISE Blink LOW NOISE MODE 4 Press the ENTER switch button SW109 L2 L3 LOW NOISE LOW NOISE MOD E Sign Lights on 5 Press the SELECT switch button SW108 and adjust the LED lamps as shown below PEAK CUT Level 1 Level 2 Blink Blink L4 L5 L6 Low Lower 6 Press the ENTER switch button SW109 and fix it PEAK CUT Level 1 Level 2 L4 L5 L6 Low Lower 7 To return to Operat...

Страница 80: ... the SELECT and ENTER switch but tons you must redo the setting procedure Return to Operation status display Normal operation by pressing the EXIT switch button once and restart from the beginning of the setting procedure 76 OUTDOOR UNIT AOHG72 90LRLA ...

Страница 81: ...the LED lamps as shown below PEAK CUT L4 L5 L6 0 of rated input ratio Blink 50 of rated input ratio Blink 75 of rated input ratio Blink Blink 100 of rated input ratio Blink Sign Lights off Level 1 Level 2 Level 3 Level 4 6 Press the ENTER switch button SW109 and fix it PEAK CUT L4 L5 L6 Sign Lights off Lights on 0 of rated input ratio 50 of rated input ratio 75 of rated input ratio 100 of rated in...

Страница 82: ...or the system to start operating after settings for the test run are complete After the test run settings are complete the outdoor units and the connected indoor units will start operating Room temperature control will not activate during test operation continuous operation If a knocking sound can be heard in the liquid compression of the compressor stop the unit immediately and then energize the ...

Страница 83: ...R PUMP DOWN LOW NOISE PEAK CUT MODE L1 L2 L3 L4 L5 L6 Blink Heating test mode POWER ERROR PUMP DOWN LOW NOISE PEAK CUT MODE L1 L2 L3 L4 L5 L6 Blink 5 Press ENTER button Air conditioner stopped operation POWER ERROR PUMP DOWN LOW NOISE PEAK CUT MODE L1 L2 L3 L4 L5 L6 Checklist Check items during test operation Check column Check item Is the outdoor unit making any abnormal noise or vibrating signif...

Страница 84: ...arge temp sensor 1 error 2 7 2 Compressor temp sensor error Compressor temp sensor 1 error 2 7 3 Outdoor unit Heat Ex sensor error Heat Ex middle temp sensor error 2 7 3 Outdoor unit Heat Ex liquid temp sensor error 2 7 4 Outdoor temp sensor error Outdoor temp sensor error 2 7 7 Heat sink temp sensor error Heat sink temp sensor error 2 8 4 Current sensor error Current sensor 1 error stoppage perma...

Страница 85: ...ION METHODS in the installation manual of the indoor unit Pump down procedure Confirm that the power is off and then open the service panel Symbols in the following table indicate LED status Lights off Lights on 1 Check the 3 way valves both the liquid side and gas side are opened 2 Turn the power on POWER ERROR PUMP DOWN LOW NOISE PEAK CUT MODE L1 L2 L3 L4 L5 L6 3 Press PUMP DOWN button for 3 sec...

Страница 86: ...essfully completed the above LED display is shown the outdoor unit remains stopped until the power is turned off 7 Turn the power off POWER ERROR PUMP DOWN LOW NOISE PEAK CUT MODE L1 L2 L3 L4 L5 L6 Pump down is completed Notices To stop pump down press the PUMP DOWN button again To start the pump down again after the compressor is automatically stopped due to an error disconnect the power supply a...

Страница 87: ...ccessories Part name Exterior Q ty Part name Exterior Q ty Installation manual 1 Joint pipe B 1 Drain pipe 1 Push mount cable tie 2 Drain cap 9 Grommet edging 2 Joint pipe A 1 83 OUTDOOR UNIT AOHG72 90LRLA ...

Страница 88: ...16 Optional parts Exterior Part name Model name Summary External connect kit UTY XWZXZ3 Use to operate the external input and output functions of outdoor unit 84 OUTDOOR UNIT AOHG72 90LRLA ...

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