Fujitsu General AOHG36KRTA Design & Technical Manual Download Page 64

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11. Safety devices

Type of

protection

Protection form

Model

AOHG36KRTA

Circuit
protection

Current fuse
(Main PCB)

250 V, 30 A × 2
250 V, 10 A × 2

Fan motor
protection

Thermal protection program

Activate

122 ±9 °C

Fan motor stop

Reset

116

+10

-9

°C

Fan motor restart

Compressor
protection

Thermal protection program
(Discharge temp.)

Activate

110 °C

Compressor stop

Reset

After 7 minutes

Compressor restart

Thermal protection program
(Compressor temp.)

Activate

108 °C

Compressor stop

Reset

80 °C or less

Compressor restart

Thermal protection program
(Outdoor temp.)

Activate

-20 °C

Compressor stop

Reset

-15 °C

Compressor restart

Type of

protection

Protection form

Model

AOHG45KRTA
AOHG54KRTA

Circuit
protection

Current fuse
(Main PCB)

250 V, 30 A × 2
250 V, 10 A × 2

Fan motor
protection

Thermal protection program

Activate

150 ±15 °C

Fan motor stop

Reset

120 ±15°C

Fan motor restart

Compressor
protection

Thermal protection program
(Discharge temp.)

Activate

110 °C

Compressor stop

Reset

After 7 minutes

Compressor restart

Thermal protection program
(Compressor temp.)

Activate

108 °C

Compressor stop

Reset

80 °C or less

Compressor restart

Thermal protection program
(Outdoor temp.)

Activate

-20 °C

Compressor stop

Reset

-15 °C

Compressor restart

- 60 -

11. Safety devices

OUTDOOR UNIT

AOHG36-54KRTA

OUTDOOR UNIT

AOHG36-54KRTA

Summary of Contents for General AOHG36KRTA

Page 1: ...AIR CONDITIONER Duct type DESIGN TECHNICAL MANUAL INDOOR ARXG36KHTAP ARXG45KHTAP ARXG54KHTAP OUTDOOR AOHG36KRTA AOHG45KRTA AOHG54KRTA DR_AR040EG_03 2020 11 19 ...

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

Page 3: ...city 9 5 Fan performance 10 5 1 Fan performance curve 10 5 2 Airflow 14 6 Operation noise sound pressure 17 6 1 Noise level curve 17 6 2 Sound level check point 18 7 Safety devices 19 8 External input and output 20 8 1 External input 20 8 2 External output 22 8 3 Combination of external input and output 23 8 4 Details of function 25 9 Function settings 31 9 1 Function settings on indoor unit 31 9 ...

Page 4: ...6 2 Models AOHG45KRTA and AOHG54KRTA 54 7 Additional charge calculation 55 7 1 Model AOHG36KRTA 55 7 2 Models AOHG45KRTA and AOHG54KRTA 55 8 Airflow 56 8 1 Models AOHG36KRTA 56 8 2 Models AOHG45KRTA and AOHG54KRTA 56 9 Operation noise sound pressure 57 9 1 Noise level curve 57 9 2 Sound level check point 58 10 Electrical characteristics 59 11 Safety devices 60 12 External input and output 61 12 1 ...

Page 5: ...Part 1 INDOOR UNIT DUCT TYPE ARXG36KHTAP ARXG45KHTAP ARXG54KHTAP ...

Page 6: ... level Cooling dB A 64 67 Heating 63 69 Heat exchanger type Dimensions H W D mm 420 1 158 39 9 Fin pitch 1 4 Rows Stages 3 20 Pipe type Copper Fin type Aluminum Enclosure Material Steel sheet Color Dimensions H W D Net mm 300 1 400 700 Gross 400 1 638 875 Weight Net kg 46 Gross 56 Connection pipe Size Liquid mm in Ø 9 52 3 8 Gas Ø 15 88 5 8 Method Flare Drain hose Material PVC Size mm Ø 25 I D Ø 3...

Page 7: ...cy class Cooling A Heating Average A Pdesign Cooling kW 9 5 35 C Heating Average 8 7 10 C SEER Cooling kWh kWh 6 10 SCOP Heating Average 4 20 Annual energy consumption QCE kWh a 544 QHE Average 2 898 3 1 Specifications DUCT TYPE ARXG36 54KHTAP DUCT TYPE ARXG36 54KHTAP ...

Page 8: ...5 190 80 Rear view Front view Top view Side view L Side view R 59 100 Φ4 Φ125 140 160 139 1 440 184 31 1 400 1 162 47 53 1 295 60 631 25 700 25 210 145 29 150 75 300 300 280 320 Φ4 5 278 255 150 10 22 75 220 91 57 43 150 217 246 41 66 98 4 2 1 Models ARXG36KHTAP ARXG45KHTAP and ARXG54KHTAP 2 Dimensions DUCT TYPE ARXG36 54KHTAP DUCT TYPE ARXG36 54KHTAP ...

Page 9: ...ion space for product safety Models ARXG36KHTAP ARXG45KHTAP and ARXG54KHTAP Floor 300 or more 150 or more 20 or more 2 500 or more When no ceiling 20 or more Unit mm 5 2 2 Installation space requirement 2 Dimensions DUCT TYPE ARXG36 54KHTAP DUCT TYPE ARXG36 54KHTAP ...

Page 10: ...HTAP ARXG45KHTAP and ARXG54KHTAP Provide a service access for maintenance purposes Bottom view Unit mm AIR Control box 300 or more 500 or more 500 or more Service access The service access necessary for fan units and filter maintenance Unit mm AIR Service access Fan unit side 300 or more 500 or more 100 or more 100 Bottom view 6 2 3 Maintenance space requirement 2 Dimensions DUCT TYPE ARXG36 54KHT...

Page 11: ...3 Wiring diagrams 3 1 Models ARXG36KHTAP ARXG45KHTAP and ARXG54KHTAP 7 3 1 Models ARXG36KHTAP ARXG45KHTAP and ARXG54KHTAP 3 Wiring diagrams DUCT TYPE ARXG36 54KHTAP DUCT TYPE ARXG36 54KHTAP ...

Page 12: ...38 1 89 10 76 8 72 1 92 11 20 8 88 1 92 11 88 9 11 1 92 10 8 42 7 33 1 84 9 13 7 70 1 88 9 61 7 95 1 91 10 08 8 28 1 94 10 56 8 61 1 96 11 00 8 76 1 96 11 66 9 00 1 96 15 8 27 7 21 1 89 8 98 7 58 1 94 9 45 7 82 1 96 9 91 8 14 1 99 10 38 8 47 2 02 10 82 8 62 2 02 11 47 8 85 2 02 20 11 05 9 25 3 00 11 99 9 72 3 07 12 61 10 03 3 11 13 24 10 44 3 16 13 86 10 86 3 20 14 44 11 06 3 20 15 31 11 35 3 20 2...

Page 13: ...0 4 68 14 35 4 70 14 00 4 72 13 67 4 72 12 86 4 72 0 2 15 48 4 86 15 11 4 88 14 74 4 91 14 40 4 91 13 54 4 91 5 3 16 57 4 30 16 18 4 32 15 78 4 35 15 42 4 35 14 50 4 35 7 6 17 01 4 30 16 61 4 32 16 20 4 34 15 82 4 34 14 88 4 34 10 8 17 72 4 29 17 29 4 31 16 87 4 33 16 48 4 33 15 50 4 33 15 10 18 89 4 27 18 44 4 29 17 99 4 31 17 57 4 31 16 53 4 31 20 15 20 07 4 25 19 59 4 28 19 11 4 30 18 66 4 30 1...

Page 14: ...ernal Static Pressure Pa Fan performance curve_2 For function setting by remote controller Hi SP mode06 Hi Normal SP Hi SP mode08 Hi SP mode10 Hi SP mode12 Hi SP mode14 Hi SP mode16 Hi SP mode18 Hi SP mode20 Hi SP mode03 Hi SP mode07 Hi SP mode05 Hi SP mode04 Hi SP mode09 Hi SP mode11 Hi SP mode13 Hi SP mode15 Hi SP mode17 Hi SP mode19 NOTES Setting of the external static pressure is switchable in...

Page 15: ...l s m3 h Airflow 139 278 417 556 833 500 1 000 1 500 2 000 3 000 695 2 500 Heating 100 105 95 Capacity l s m3 h Airflow 139 278 417 556 833 500 1 000 1 500 2 000 3 000 695 2 500 11 5 1 Fan performance curve 5 Fan performance DUCT TYPE ARXG36 54KHTAP DUCT TYPE ARXG36 54KHTAP ...

Page 16: ...00 2 000 3 500 833 3 000 695 2 500 0 280 300 260 240 220 200 180 160 140 120 100 80 60 40 20 External static pressure Pa Hi Normal SP Hi SP mode08 Hi SP mode04 Hi SP mode10 Hi SP mode12 Hi SP mode14 Hi SP mode16 Hi SP mode07 Hi SP mode09 Hi SP mode03 Hi SP mode05 Hi SP mode11 Hi SP mode13 Hi SP mode15 NOTES Setting of the external static pressure is switchable into modes by using the remote contro...

Page 17: ...omatic 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 the air conditioner off and on again 5 Check the ...

Page 18: ...56 CFM 965 LOW m3 h 1 330 l s 369 CFM 783 QUIET m3 h 1 070 l s 297 CFM 630 Heating Fan speed Airflow HIGH m3 h 1 850 l s 514 CFM 1 089 MED m3 h 1 640 l s 456 CFM 965 LOW m3 h 1 330 l s 369 CFM 783 QUIET m3 h 1 070 l s 297 CFM 630 14 5 2 Airflow 5 Fan performance DUCT TYPE ARXG36 54KHTAP DUCT TYPE ARXG36 54KHTAP ...

Page 19: ... 201 LOW m3 h 1 650 l s 458 CFM 971 QUIET m3 h 1 430 l s 397 CFM 842 Heating Fan speed Airflow HIGH m3 h 2 550 l s 708 CFM 1 501 MED m3 h 2 040 l s 567 CFM 1 201 LOW m3 h 1 650 l s 458 CFM 971 QUIET m3 h 1 430 l s 397 CFM 842 15 5 2 Airflow 5 Fan performance DUCT TYPE ARXG36 54KHTAP DUCT TYPE ARXG36 54KHTAP ...

Page 20: ... 201 LOW m3 h 1 650 l s 458 CFM 971 QUIET m3 h 1 430 l s 397 CFM 842 Heating Fan speed Airflow HIGH m3 h 2 550 l s 708 CFM 1 501 MED m3 h 2 040 l s 567 CFM 1 201 LOW m3 h 1 650 l s 458 CFM 971 QUIET m3 h 1 430 l s 397 CFM 842 16 5 2 Airflow 5 Fan performance DUCT TYPE ARXG36 54KHTAP DUCT TYPE ARXG36 54KHTAP ...

Page 21: ...0 70 60 50 40 30 20 10 0 63 125 250 500 1 000 2 000 4 000 8 000 High Quiet Model ARXG45KHTAP Cooling NC 65 NC 60 NC 55 NC 50 NC 45 NC 40 NC 35 NC 30 NC 25 NC 20 NC 15 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 High Quiet Heating NC 65 NC 60 NC 55 NC 50 NC 45 NC 40 NC 35 NC 30 NC 25 NC 20 NC 1...

Page 22: ...0 NC 45 NC 40 NC 35 NC 30 NC 25 NC 20 NC 15 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 High Quiet 6 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 6 1 Noise level cu...

Page 23: ...XG54KHTAP Circuit protection Current fuse PCB 250 V 10 A Fan motor protection Thermal protection program Activate 100 5 C Fan motor stop Reset 70 15 C Fan motor restart Current protection 7 58 A Printed Circuit Board 19 7 Safety devices DUCT TYPE ARXG36 54KHTAP DUCT TYPE ARXG36 54KHTAP ...

Page 24: ... Apply voltage Edge Pulse Forced thermostat off Input 1 Edge Operation status Output 1 Output 2 Output 3 Error status Indoor unit status External heater output 8 1 External input Operation Stop mode or Forced stop mode can be selected with function setting of indoor unit A twisted pair cable 22AWG should be used Maximum length of cable is 150 m The wire connection should be separate from the power...

Page 25: ...W1 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 15 mA Apply voltage In case of external power supply set the slide switch of SW1 to VOL side 1 2 C Input 1 Input 2 Power supply PCB Connected unit 1 The switches can be used on the following condition DC 12 V to 24 V 1 mA to 15 mA 2 Make the power supply DC 12 V...

Page 26: ...ted 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 8 3 Combination of external input and output on pa...

Page 27: ...t 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 External heater output 1 8 60 01 to 60 08 3 9 A Setting...

Page 28: ...nal 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 24 8 3 Combination of external input and output 8 External input and output DUCT TYPE ARXG36 54KHTAP DUCT TYPE ARXG36 54KHTAP ...

Page 29: ...on 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 command has priority The indoor units withi...

Page 30: ...g 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 by the re mote controller is restricte...

Page 31: ...ontroller 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 Stop mode 2 function is used with form...

Page 32: ...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 CN47 On Off Output 1 Indoor unit 28 8 4 D...

Page 33: ...nit 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 60 09 B 60 11 D External input and output PCB Output 2 Off On Fan run On Off Fan stop 60 00 1 Output 3 Off On Fan run On Off Fan stop Output signal Condition On The indoor unit fan is operating Low H...

Page 34: ...f 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 C signal output is on And Tr decrease ...

Page 35: ...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 as shown in the following figure SW1...

Page 36: ...FF 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 unit is stopped while operating in conjunct...

Page 37: ...Function setting list Function no Functions 1 11 Filter sign 2 26 Static pressure 3 30 31 Room temperature control for indoor unit sensor 4 35 36 Room temperature control for wired remote controller sensor 5 40 Auto restart 6 42 Room temperature sensor switching 7 43 Cold air prevention 8 46 External input control 9 48 Room temperature sensor switching Aux 10 49 Indoor unit fan control for energy ...

Page 38: ... 60 Pa 45 54 type 32 Automatic airflow adjustment NOTE Range of static pressure is different by model If the static pressure is set above maximum range the setting will be the same as the maxi mum Example For 45 54 type models setting 170 Pa 17 to 200 Pa 20 will be the same as 160 Pa 16 Type name Setting of static pressure range 36 type 30 to 200 Pa 45 and 54 type 30 to 160 Pa For details refer to...

Page 39: ... the setting value is 03 1 0 C corrected temp will be 27 C 26 C 1 0 C The temperature correction values show the difference from the Standard setting 00 manufactur er s recommended value Function number Setting value Setting description Factory setting 30 For cooling 31 For heating 00 Standard setting 01 No correction 0 0 C 02 0 5 C More cooling Less heating 03 1 0 C 04 1 5 C 05 2 0 C 06 2 5 C 07 ...

Page 40: ...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 exter nal device 6 Room temperature senso...

Page 41: ...r Setting value Setting description Factory setting 48 00 Both 01 Wired remote controller 10 Indoor unit fan control for energy saving for cooling Enables or disables the power saving function by controlling the indoor unit fan rotation when the outdoor unit is stopped during cooling operation Function number Setting value Setting description Factory setting 49 00 Disable 01 Enable 02 Remote contr...

Page 42: ...External input and output Function number Setting value Setting description Factory setting 60 00 Operation status 01 08 Setting prohibited 09 Error status 10 Indoor unit fan operation status 11 External heater 38 9 2 Function settings by using remote controller 9 Function settings DUCT TYPE ARXG36 54KHTAP DUCT TYPE ARXG36 54KHTAP ...

Page 43: ...erating manual CD ROM 1 Coupler heat insulation small 1 Installation manual 1 Cable tie large 4 M10 nut A with flange 4 Cable tie medium 1 M10 nut B with spring lock washer 4 Cable tie small 1 Washer 8 Drain hose insulation 1 Hose band 1 Drain hose 1 39 10 Accessories DUCT TYPE ARXG36 54KHTAP DUCT TYPE ARXG36 54KHTAP ...

Page 44: ...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 remote controller concentrate...

Page 45: ... life filter UTD LFNA Long life filter can be mounted to the indoor unit External connect kit UTY XWZXZG Use to connect with various peripheral devices 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 External input and output PCB bracket UTZ GXNA For installing the External input and output PCB Wire...

Page 46: ...odbus open network KNX converter UTY VKSX For connection between indoor unit with UART interface and a KNX open network External switch controller UTY TERX Air conditioner switching can be controlled by connecting other external sensor switches 42 11 2 Others 11 Optional parts DUCT TYPE ARXG36 54KHTAP DUCT TYPE ARXG36 54KHTAP ...

Page 47: ...Part 2 OUTDOOR UNIT SINGLE TYPE AOHG36KRTA AOHG45KRTA AOHG54KRTA ...

Page 48: ...H W D Net mm 788 940 320 Gross 966 1 027 445 Weight Net kg 53 Gross 62 Connection pipe Size Liquid mm in Ø 9 52 3 8 Gas Ø 15 88 5 8 Method Flare Pre charge length m 30 Max length 50 Max height difference 30 Operation range Cooling C 15 to 46 Heating 15 to 24 Drain hose Material LDPE Tip diameter mm Ø 13 0 I D Ø 16 0 to Ø 16 7 O D NOTES Specifications are based on the following conditions Cooling I...

Page 49: ... 10YR 7 5 1 0 Dimensions H W D Net mm 998 940 320 Gross 1 176 1 027 445 Weight Net kg 67 Gross 77 Connection pipe Size Liquid mm in Ø 9 52 3 8 Gas Ø 15 88 5 8 Method Flare Pre charge length m 30 Max length 50 Max height difference 30 Operation range Cooling C 15 to 46 Heating 15 to 24 Drain hose Material LDPE Tip diameter mm Ø 13 0 I D Ø 16 0 to Ø 16 7 O D NOTES Specifications are based on the fol...

Page 50: ... Gas Liquid valve Ф28 Cable port Ф28 Cable port 89 650 35 7 48 143 147 39 8 53 9 Liquid 40 320 354 8 62 9 Gas 320 139 8 Ф28 Cable port Ф28 Cable port 96 50 120 Pipe port 55 25 40 5 264 6 351 9 Pipe Cable port 47 6 15 2 62 6 15 6 Rear view 50 Ф28 Cable port Ф28 Cable port 25 141 9 70 67 Pipe port 46 2 1 Models AOHG36KRTA 2 Dimensions OUTDOOR UNIT AOHG36 54KRTA OUTDOOR UNIT AOHG36 54KRTA ...

Page 51: ...40 320 354 8 62 9 Gas 12 9 297 2 Gas valve Liquid valve Ф28 Cable port 1 1 8 29 Pipe port 23 4 129 1 85 3 50 29 Pipe port A 95 89 A 3 Way valve Liquid 3 Way valve Gas 320 139 8 96 40 5 Ф28 Cable port 120 Pipe port 55 25 50 B B 50 25 141 9 70 67 Pipe port 264 6 351 9 47 6 15 2 62 6 15 6 47 2 2 Models AOHG45KRTA and AOHG54KRTA 2 Dimensions OUTDOOR UNIT AOHG36 54KRTA OUTDOOR UNIT AOHG36 54KRTA ...

Page 52: ...re 100 or more 100 or more When there are obstacles at the front only When there are obstacles at the front and rear 500 or more 500 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 300 or more Max 500 1 000 or more 1 000 or more 200 or more 250 or more 500 or more Max 500...

Page 53: ...250 or more When there are obstacles at the front and rear 500 or more 1 500 or more 250 or more When there is an obstruction in the upper space Unit mm When there are obstacles at the rear and above 1 500 or more 500 or more 250 or more 250 or more Max 300 1 500 or more 49 3 1 Models AOHG36KRTA AOHG45KRTA and AOHG54KRTA 3 Installation space OUTDOOR UNIT AOHG36 54KRTA OUTDOOR UNIT AOHG36 54KRTA ...

Page 54: ...utdoor unit in two stage where the drain water could freeze Otherwise the drainage from the upper unit may form ice and cause a malfunction of the lower unit 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 extremely cold climate For reverse cycle model only In area with ...

Page 55: ...D ThPI ThO ThHO ThC Thermistor Compressor temperature Thermistor Discharge temperature Thermistor Outdoor temperature Thermistor Heat Exchanger Out temperature ThD ThO ThHO Thermistor Room temperature Thermistor Pipe temperature ThR ThPI Pressure sensor 3 Way valve Thermistor Heat Exchanger Med temperature ThHM ThHM 51 4 1 Models AOHG36KRTA AOHG45KRTA and AOHG54KRTA 4 Refrigerant circuit OUTDOOR U...

Page 56: ...5 Wiring diagrams 5 1 Model AOHG36KRTA 5 2 Models AOHG45KRTA and AOHG54KRTA 52 5 1 Model AOHG36KRTA 5 Wiring diagrams OUTDOOR UNIT AOHG36 54KRTA OUTDOOR UNIT AOHG36 54KRTA ...

Page 57: ... Indoor unit is lower than outdoor unit 2 5 1 000 1 000 0 989 0 968 0 947 0 926 0 905 7 5 1 000 0 989 0 968 0 947 0 926 0 905 10 0 989 0 968 0 947 0 926 0 905 20 0 968 0 947 0 926 0 905 30 0 947 0 926 0 905 HEATING Pipe length m 5 7 5 10 20 30 40 50 Height difference H m Indoor unit is higher than outdoor unit 1 30 0 978 0 968 0 958 20 0 988 0 978 0 968 0 958 10 0 998 0 988 0 978 0 968 0 958 7 5 1...

Page 58: ... 0 989 0 967 0 945 0 923 0 901 20 0 967 0 945 0 923 0 901 30 0 945 0 923 0 901 HEATING Pipe length m 5 7 5 10 20 30 40 50 Height difference H m Indoor unit is higher than outdoor unit 1 30 0 978 0 968 0 958 20 0 988 0 978 0 968 0 958 10 0 998 0 988 0 978 0 968 0 958 7 5 1 000 0 998 0 988 0 978 0 968 0 958 5 1 000 1 000 0 998 0 988 0 978 0 968 0 958 0 1 000 1 000 0 998 0 988 0 978 0 968 0 958 Indoo...

Page 59: ...40 50 Max 40 g m Additional charge amount g 0 400 800 7 2 Models AOHG45KRTA and AOHG54KRTA Refrigerant type R32 Refrigerant amount g 2 700 Refrigerant charge Total pipe length m 30 or less 40 50 Max 40 g m Additional charge amount g 0 400 800 55 7 1 Model AOHG36KRTA 7 Additional charge calculation OUTDOOR UNIT AOHG36 54KRTA OUTDOOR UNIT AOHG36 54KRTA ...

Page 60: ... 042 CFM 2 207 Heating m3 h 3 750 l s 1 042 CFM 2 207 8 2 Models AOHG45KRTA and AOHG54KRTA Cooling m3 h 4 450 l s 1 236 CFM 2 619 Heating m3 h 4 450 l s 1 236 CFM 2 619 56 8 1 Models AOHG36KRTA 8 Airflow OUTDOOR UNIT AOHG36 54KRTA OUTDOOR UNIT AOHG36 54KRTA ...

Page 61: ...ncy Hz NC 65 NC 60 NC 55 NC 50 NC 45 NC 40 NC 35 NC 30 NC 25 NC 20 NC 15 Model AOHG45KRTA Cooling 0 10 20 30 40 50 60 70 80 63 125 250 500 1 000 2 000 4 000 8 000 Octave band sound pressure level dB 0 dB 0 0002 μbar Octave band center frequency Hz NC 65 NC 60 NC 55 NC 50 NC 45 NC 40 NC 35 NC 30 NC 25 NC 20 NC 15 Heating 0 10 20 30 40 50 60 70 80 63 125 250 500 1 000 2 000 4 000 8 000 Octave band s...

Page 62: ...50 500 1 000 2 000 4 000 8 000 Octave band sound pressure level dB 0 dB 0 0002 μbar Octave band center frequency Hz NC 65 NC 60 NC 55 NC 50 NC 45 NC 40 NC 35 NC 30 NC 25 NC 20 NC 15 9 2 Sound level check point 1 m Microphone Microphone Rear Airflow Rear view Side view NOTE Detailed shape of the actual outdoor unit might be slightly different from the one illustrated above 58 9 1 Noise level curve ...

Page 63: ...0 Wiring spec 2 Circuit breaker current A 16 Power cable mm2 2 5 Connection cable 3 Cross sectional area mm2 1 5 Limited wiring length m 51 1 Maximum current is the total current of the indoor unit and the outdoor unit 2 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 app...

Page 64: ...or temp Activate 20 C Compressor stop Reset 15 C Compressor restart Type of protection Protection form Model AOHG45KRTA AOHG54KRTA Circuit protection Current fuse Main PCB 250 V 30 A 2 250 V 10 A 2 Fan motor protection Thermal protection program Activate 150 15 C Fan motor stop Reset 120 15 C Fan motor restart Compressor protection Thermal protection program Discharge temp Activate 110 C Compresso...

Page 65: ...imer 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 temper ature Circuit diagram example Outdoor unit control PCB Connected unit Locally purchased Example Switch Signal 10m Connector 1 2 1 2 P580 PA580 Contact capacity DC 24 V or more 10 mA or more Make the distance from the PCB to the connec...

Page 66: ...or 1 2 1 2 P580 PA580 Contact capacity DC 24 V or more 10 mA or more Make the distance from the PCB to the connected unit within 10 m Construct a circuit as shown in this figure with using 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 68 On Off On Off Input signal Peak cut mode O...

Page 67: ...door unit control PCB Example Relay unit Connected unit Locally purchased Example Fan Signal Connector 1 2 1 2 10m 12 V On Off P590 On Off PA590 Output voltage Vcc DC 12 V 50 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 connect kit UTY XWZXZ3 External output wire 63 12...

Page 68: ...Signal Connector 1 2 1 2 10m 12 V On Off P590 On Off PA590 Output voltage Vcc DC 12 V 50 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 External output wire 64 12 2 External output 12 External input and output OUTDOOR UNIT AOHG36 54KRTA OUTD...

Page 69: ...ttons discharge the static electricity from your body Never touch the terminals or the patterns on the parts that are mounted on the PCB 13 1 Control PCB and switch buttons location Control PCB of the outdoor unit is located as shown in the following figure LED lamps Switch buttons 65 13 1 Control PCB and switch buttons location 13 Function settings OUTDOOR UNIT AOHG36 54KRTA OUTDOOR UNIT AOHG36 5...

Page 70: ...ndicates low noise level 5 PEAK CUT MODE L4 L5 and L6 Orange Lights on during Peak cut mode when local setting is activated Lighting pattern of L4 L5 and L6 indicates peak cut level Switch button Function or operation method S134 MODE Switches between Local setting and Error code display S133 SELECT Switches between the individual Local settings and the Error code displays S132 ENTER Switches betw...

Page 71: ...tch button S133 and adjust the LED lamps as shown below PEAK CUT MODE 1 Low MODE 2 Lower Blink Blink L4 L5 L6 6 Press the ENTER switch button S132 and fix it PEAK CUT MODE 1 Low MODE 2 Lower L4 L5 L6 7 To return to Operating status display Normal operation press the EXIT switch button S131 In case of missing how many times you pressed the SELECT and ENTER switch buttons 1 To return to Operation st...

Page 72: ...33 and adjust the LED lamps as shown below 0 of rated input ratio 50 of rated input ratio 75 of rated input ratio 100 of rated input ratio Blink Blink Blink Blink Blink PEAK CUT L4 L5 L6 6 Press the ENTER switch button S132 and fix it 0 of rated input ratio 50 of rated input ratio 75 of rated input ratio 100 of rated input ratio PEAK CUT L4 L5 L6 7 To return to Operating status display Normal oper...

Page 73: ...A and AOHG54KRTA Part name Exterior Q ty Part name Exterior Q ty Installation manual 1 Drain cap 3 Drain pipe 1 One touch bush 2 69 14 1 Models AOHG36KRTA AOHG45KRTA and AOHG54KRTA 14 Accessories OUTDOOR UNIT AOHG36 54KRTA OUTDOOR UNIT AOHG36 54KRTA ...

Page 74: ...s Exterior Part name Model name Summary External connect kit UTY XWZXZ3 Use to operate the external input and output functions of outdoor unit 70 15 Optional parts OUTDOOR UNIT AOHG36 54KRTA OUTDOOR UNIT AOHG36 54KRTA ...

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