Fujitsu AOUH18LMAS1 Design & Technical Manual Download Page 4

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Part 2. OUTDOOR UNIT.....................................................................67

1. Specifications..............................................................................................68
2. Dimensions..................................................................................................69

2-1. Models: AOUH18LMAS1 and AOUH24LMAS1 .............................................................69

3. Installation space ........................................................................................70

3-1. Models: AOUH18LMAS1 and AOUH24LMAS1 .............................................................70

4. Refrigerant circuit .......................................................................................74

4-1. Models: AOUH18LMAS1 and AOUH24LMAS1 .............................................................74

5. Wiring diagrams ..........................................................................................75

5-1. Models: AOUH18LMAS1 and AOUH24LMAS1 .............................................................75

6. Capacity compensation rate for pipe length and height difference........76

6-1. Models: AOUH18LMAS1 and AOUH24LMAS1 .............................................................76

7. Additional charge calculation ....................................................................77

7-1. Model: AOUH18LMAS1.................................................................................................77
7-2. Model: AOUH24LMAS1.................................................................................................77

8. Airflow..........................................................................................................78

8-1. Model: AOUH18LMAS1.................................................................................................78
8-2. Model: AOUH24LMAS1.................................................................................................78

9. Operation noise (sound pressure).............................................................79

9-1. Noise level curve............................................................................................................79
9-2. Sound level check point .................................................................................................80

10. Electrical characteristics............................................................................81
11. Safety devices .............................................................................................82
12. External input and output ..........................................................................83

12-1.External input................................................................................................................83
12-2.External output..............................................................................................................85

13. Function settings .......................................................................................87

13-1.Control PCB and switch buttons location ......................................................................87
13-2.Local setting procedure.................................................................................................89

14. Accessories.................................................................................................91

14-1.Models: AOUH18LMAS1 and AOUH24LMAS1 ............................................................91

15. Optional parts..............................................................................................92

CONTENTS (continued)

Summary of Contents for AOUH18LMAS1

Page 1: ...AIR CONDITIONER Wall mounted type DESIGN TECHNICAL MANUAL INDOOR ASUH18LMAS ASUH24LMAS OUTDOOR AOUH18LMAS1 AOUH24LMAS1 DR_AS143EF_01 2021 11 01 ...

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 2021 Fujitsu General Limited All rights reserved ...

Page 3: ...heck point 17 7 Safety devices 18 8 External input and output 19 8 1 External input 20 8 2 External output 22 8 3 Combination of external input and output 24 8 4 Details of function 26 9 Group connection 49 10 Remote controller 50 10 1 Wireless remote controller 50 11 Function settings 52 11 1 Function settings by using remote controller 52 11 2 Custom code setting for wireless remote controller 6...

Page 4: ...d AOUH24LMAS1 76 7 Additional charge calculation 77 7 1 Model AOUH18LMAS1 77 7 2 Model AOUH24LMAS1 77 8 Airflow 78 8 1 Model AOUH18LMAS1 78 8 2 Model AOUH24LMAS1 78 9 Operation noise sound pressure 79 9 1 Noise level curve 79 9 2 Sound level check point 80 10 Electrical characteristics 81 11 Safety devices 82 12 External input and output 83 12 1 External input 83 12 2 External output 85 13 Functio...

Page 5: ...Part 1 INDOOR UNIT WALL MOUNTED TYPE ASUH18LMAS ASUH24LMAS ...

Page 6: ...T 300 510 371 630 Heating HIGH 589 1 000 730 1 240 MED 500 850 530 900 LOW 377 640 436 740 QUIET 300 510 371 630 Type Q ty Crossflow fan 1 Motor output W 59 78 Sound pressure level 3 Cooling HIGH dB A 46 46 MED 41 42 LOW 35 37 QUIET 30 33 Heating HIGH 46 48 MED 41 38 LOW 35 34 QUIET 30 30 Heat exchanger type Dimensions H W D in mm Main 1 8 1 4 31 5 16 1 1 16 210 796 26 6 Main 2 4 15 16 31 5 16 1 1...

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

Page 8: ...0 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 4 2 1 Model ASUH18LMAS 2 Dimensions WALL MOUNTED ASUH18 24LMAS WALL MOUNTED ASUH18 24LMAS ...

Page 9: ...product Condensa tion dripping from the product might get them wet and may cause damage or malfunction to the property 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 71 or more 3 70 or more 7 160 or more Wall hook bracket Outline of the indoor unit 5 2 1 Model ASUH18LMAS 2 Dimensions WALL MOUNTED ASUH18 24LMAS WALL MOUNTED ASUH18 24LMAS ...

Page 10: ... 64 18 7 8 479 2 6 16 61 4 1 4 108 19 6 8 502 20 1 2 520 1 15 16 50 1 15 16 50 7 16 11 13 6 16 340 ø 8 0 ø 8 0 13 6 16 340 11 280 10 16 16 45 1 4 1 150 19 483 21 7 16 544 22 1 16 560 45 1 4 1 150 6 2 2 Model ASUH24LMAS 2 Dimensions WALL MOUNTED ASUH18 24LMAS WALL MOUNTED ASUH18 24LMAS ...

Page 11: ...ct Conden sation dripping from the product might get them wet and may cause damage or malfunction to the property 2 1 2 63 or more 3 8 1 80 or more 1 15 16 50 or more 1 15 16 50 or more 2 3 4 70 or more Outline of unit 5 1 2 140 or more 59 1 16 1 500 or more 70 7 8 1 800 or more Unit in mm 7 2 2 Model ASUH24LMAS 2 Dimensions WALL MOUNTED ASUH18 24LMAS WALL MOUNTED ASUH18 24LMAS ...

Page 12: ...3 Wiring diagrams 3 1 Models ASUH18LMAS and ASUH24LMAS 8 3 1 Models ASUH18LMAS and ASUH24LMAS 3 Wiring diagrams WALL MOUNTED ASUH18 24LMAS WALL MOUNTED ASUH18 24LMAS ...

Page 13: ...1 95 1 34 17 46 13 10 1 37 18 00 13 50 1 38 19 18 14 39 1 39 20 45 15 34 1 41 104 13 87 10 63 1 47 15 17 11 63 1 49 16 63 12 75 1 52 17 14 13 14 1 53 18 27 14 00 1 55 19 47 14 93 1 56 115 12 65 10 13 1 65 13 85 11 08 1 67 15 17 12 14 1 70 15 64 12 52 1 72 16 67 13 34 1 73 17 77 14 22 1 75 AFR m3 h 980 Indoor temperature CDB 17 8 21 1 23 9 26 7 29 4 32 2 CWB 12 2 15 6 17 2 19 4 21 7 22 8 Outdoor te...

Page 14: ... 95 23 37 14 13 1 97 115 12 66 8 85 1 55 13 85 9 68 1 56 15 18 10 61 1 59 15 65 10 93 1 61 16 68 11 65 1 63 17 78 12 42 1 64 AFR m3 h 1 100 Indoor temperature CDB 17 8 21 1 23 9 26 7 29 4 32 2 CWB 12 2 15 6 17 2 19 4 21 7 22 8 Outdoor temperature CDB TC SHC IP TC SHC IP TC SHC IP TC SHC IP TC SHC IP TC SHC IP kW kW kW kW kW kW 10 0 5 76 3 21 0 94 6 31 3 52 0 95 6 91 3 85 0 97 7 13 3 97 0 98 7 59 4...

Page 15: ... 10 7 67 2 14 7 29 2 18 7 25 2 23 24 0 18 0 7 69 1 82 7 49 1 86 7 29 1 90 7 09 1 93 6 89 1 97 Model ASUH24LMAS AFR CFM 730 Indoor temperature FDB 60 65 70 72 75 Outdoor temperature FDB FWB TC IP TC IP TC IP TC IP TC IP kBtu kW kBtu kW kBtu kW kBtu kW kBtu kW 5 3 26 91 3 46 26 20 3 52 25 50 3 60 24 80 3 67 24 09 3 74 14 12 29 51 3 44 28 74 3 51 27 96 3 58 27 19 3 65 26 42 3 72 23 19 32 11 3 43 31 2...

Page 16: ... ft s m s m m 7 10 10 13 13 3 0 3 7 ft 3 2 1 0 1 2 3 4 0 1 2 3 4 5 6 7 8 9 7 2 0 7 2 0 2 0 5 2 0 5 3 1 0 3 1 0 ft 0 3 7 10 13 16 20 23 26 30 Side view Vertical airflow direction louver Up Horizontal airflow direction louver Center Unit ft s m s m m 7 10 3 0 ft 0 1 2 3 0 1 2 3 4 5 6 7 8 9 ft 0 3 7 10 13 16 20 23 26 30 7 2 0 3 1 0 2 0 5 Side view Vertical airflow direction louver Down Horizontal air...

Page 17: ...ght m m Unit m s 2 3 4 1 0 1 2 3 4 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 2 0 1 5 1 5 1 0 1 0 0 5 0 5 Side view Vertical airflow direction louver Up Horizontal airflow direction louver Center m m Unit m s 3 2 1 0 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 2 0 1 5 1 0 0 5 Side view Vertical airflow direction louver Down Horizontal airflow direction louver Center m m Unit m s 3 2 1 0 0 1 2 3 4 5 6 7 8 9 1...

Page 18: ...31 CFM 489 LOW m3 h 640 l s 178 CFM 377 QUIET m3 h 510 l s 142 CFM 300 Heating Fan speed Airflow HIGH m3 h 1 000 l s 278 CFM 589 MED m3 h 850 l s 236 CFM 500 LOW m3 h 640 l s 178 CFM 377 QUIET m3 h 510 l s 142 CFM 300 14 5 2 Airflow 5 Fan performance WALL MOUNTED ASUH18 24LMAS WALL MOUNTED ASUH18 24LMAS ...

Page 19: ...FM 530 LOW m3 h 740 l s 206 CFM 436 QUIET m3 h 630 l s 175 CFM 371 Heating Fan speed Airflow HIGH m3 h 1 240 l s 344 CFM 730 MED m3 h 900 l s 250 CFM 530 LOW m3 h 740 l s 206 CFM 436 QUIET m3 h 630 l s 175 CFM 371 15 5 2 Airflow 5 Fan performance WALL MOUNTED ASUH18 24LMAS WALL MOUNTED ASUH18 24LMAS ...

Page 20: ...5 NC 60 NC 55 NC 50 NC 45 NC 40 NC 35 NC 30 NC 25 NC 20 NC 15 HIGH QUIET Model ASUH24LMAS 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 HIGH QUIET Heating Octave band sound pressure level dB 0 dB 0 0002 µbar Octave band ce...

Page 21: ...1 m Microphone Microphone NOTE Detailed shape of the actual indoor unit might be slightly different from the one illustrated above 17 6 2 Sound level check point 6 Operation noise sound pressure WALL MOUNTED ASUH18 24LMAS WALL MOUNTED ASUH18 24LMAS ...

Page 22: ...LMAS Circuit protection Current fuse PCB 250 V 3 15 A Fan motor protection Thermal protection Activate 257 18 F 125 10 C Fan motor stop Reset 212 18 F 100 10 C Fan motor restart PCB Printed Circuit Board 18 7 Safety devices WALL MOUNTED ASUH18 24LMAS WALL MOUNTED ASUH18 24LMAS ...

Page 23: ... status Indoor unit fan operation status Cooling thermostat On Heating thermostat On External heater output Set point attainment status 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 control...

Page 24: ... 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 20 8 1 External input 8 External input and output WALL M...

Page 25: ...onnected 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 to 24 V 1 m...

Page 26: ...etails refer to Combination of external input and output on page 24 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 Operation status 22 8...

Page 27: ... 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 2 Connector ...

Page 28: ...d thermostat Off Not available 1 60 01 3 Mechanical cooling Off 2 60 02 4 Forced thermostat Off 3 60 03 5 Mechanical cooling On 4 60 04 6 Mechanical cooling On 5 60 05 7 Forced thermostat Off 6 60 06 8 Forced thermostat Off 7 60 07 9 Mechanical cooling Off 8 60 08 A Forced thermostat Off 9 60 09 B Forced thermostat Off 10 60 10 C Forced thermostat Off 11 60 11 D Forced thermostat Off 12 60 12 D Fo...

Page 29: ...Error status Indoor unit fan operation status Heating thermostat On 7 60 07 9 Cooling thermostat On Error status Heating thermostat On External heater output 8 60 08 A Cooling thermostat On Heating thermostat On Remote controller output External heater output 9 60 09 B Error status Operation Stop Indoor unit fan operation status External heater output 10 60 10 C Indoor unit fan operation status Op...

Page 30: ...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 group operates...

Page 31: ...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 used with form...

Page 32: ...Pulse input Function setting Rotary SW on External input and output PCB External input Input signal Command 46 03 1 External input and output PCB CN313 Pulse Operation CN314 Pulse Stop R C disabled On On Off Operation Stop Remote controller On Off Indoor unit CN313 CN314 R C disabled Off On NOTE When Operation Stop mode 2 function is used with forming a remote controller group connect the same equ...

Page 33: ... output function Operation Stop status Function setting Rotary SW on External input and output PCB External output Output signal Command 60 00 2 Output of indoor unit CN47 Off On Operation On Off Stop 60 00 1 External input and output PCB CN310 Off On Operation 60 09 B 60 10 C On Off Stop 60 11 D 60 12 D The output is low when the unit is stopped Operation Stop On Off CN47 On Off CN310 Indoor unit...

Page 34: ...nit fan operation status Function setting Rotary SW on External input and output PCB External output Output signal Command 60 10 C Output of indoor unit CN47 Off On Fan run On Off Fan stop 60 00 2 External input and output PCB CN311 Off On Fan run 60 09 B 60 11 D On Off Fan stop 60 12 D 60 00 1 CN312 Off On Fan run On Off Fan stop Output signal Condition On The indoor unit fan is operating Low Hig...

Page 35: ...or temperature change signal is output to tell the attainment status of set point Function setting Rotary SW on External input and output PCB External output Output signal Command 60 12 D Output of indoor unit CN47 On Off Normal Off On Set point attainment Output signal Condition Off Reached the set point Tr Tsα 1 F 0 5 C On Unreached the set point Tr Tsα 5 F 2 5 C However even if the set point un...

Page 36: ...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 invalidate...

Page 37: ...ure 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 output is off A...

Page 38: ...y 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 3 min or mo...

Page 39: ...nction 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 zone Heat p...

Page 40: ...ination 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 36 8 4 Details of function 8 External input and output WALL MOUNTED ASUH18 24LMAS WALL MOUNTED ASUH18 24LMAS ...

Page 41: ...at 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 0 5 C Outd...

Page 42: ...ne 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 38 8 4 Details of function 8 External input and output WALL MOUNTED ASUH18 24LMAS WALL MOUNTED ASUH18 24LMAS ...

Page 43: ...tat 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 F 0 5 C Out...

Page 44: ... 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 40 8 4 Details of function 8 External input and output WALL MOUNTED ASUH18 24LMAS WALL MOUNTED ASUH18 24LMAS ...

Page 45: ...r 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 F 3 C Tr R...

Page 46: ...mperature 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 temperature Outd...

Page 47: ...ne 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 43 8 4 Details of function 8 External input and output WALL MOUNTED ASUH18 24LMAS WALL MOUNTED ASUH18 24LMAS ...

Page 48: ...perature 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 temperature Outdo...

Page 49: ... 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 45 8 4 Details of function 8 External input and output WALL MOUNTED ASUH18 24LMAS WALL MOUNTED ASUH18 24LMAS ...

Page 50: ...rature 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 zone Heater on...

Page 51: ...rom 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 47 8 4 Details of function 8 External input and output WALL MOUNTED ASUH18 24LMAS WALL MOUNTED ASUH18 24LMAS ...

Page 52: ...nnection 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 Fan Cool ai...

Page 53: ...ay no longer be available 1 Connect up to 16 indoor units in a system A B C D E I U I U I U I U Remote controller A B C D E Remote controller cable Wiring length limitation A B C D E 546 8 yd 500 m Example of wiring method 1 2 R W Remote controller cable Bus wire Remote controller Indoor unit 1 Indoor unit 2 Indoor unit 3 Indoor unit 4 2 Automatic address setting After the remote controller connec...

Page 54: ...ay differ by type of the indoor unit For details refer to the operation manual Display panel Mode indicator Clock and Timer indicator Temperature indicator Fan speed indicator Swing indicator Transmit indicator To facilitate explanation the accompanying illustration has been drawn to show all possible indicators in actual operation however the display will only show those indicators appropriate to...

Page 55: ... 124 without batteries Holder Unit in mm 1 15 16 48 5 3 16 5 5 1 1 16 26 2 2 3 4 69 3 1 4 6 5 Front View Side View Bottom View Ø 1 8 Ø3 5 Hole 5 7 8 150 4 3 16 106 8 Hole 1 8 3 5 2 R Size H W D in mm 5 7 8 2 3 4 1 1 16 150 69 3 26 2 Weight oz g 1 27 51 10 1 Wireless remote controller 10 Remote controller WALL MOUNTED ASUH18 24LMAS WALL MOUNTED ASUH18 24LMAS ...

Page 56: ...d numbers or setting values are selected When optional wired remote controller is used refer to the installation manual enclosed with the remote controller Entering function setting mode While pressing the POWERFUL button and TEMP button simulta neously press the RESET button to enter the function setting mode Function number Setting value Selecting the function number and setting value 1 Press th...

Page 57: ...you do not know the air conditioner custom code setting try each of the custom codes until you find the code that operates the air conditioner 53 11 1 Function settings by using remote controller 11 Function settings WALL MOUNTED ASUH18 24LMAS WALL MOUNTED ASUH18 24LMAS ...

Page 58: ... 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 19 96 Special cooling operatio...

Page 59: ...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 0 5 C More c...

Page 60: ...ling 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 ope...

Page 61: ...cription 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 the outdoor un...

Page 62: ... 2 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 Ope...

Page 63: ...y outdoor temperature 1 is performed on the indoor unit For details refer to External heater output in Chapter 8 4 Details of function on page 26 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 12 53 6 F 12 C ...

Page 64: ... 31 35 and 36 will reset to No correction 0 0 F 0 0 C Function number Setting value Setting description Factory setting 95 00 Standard insulation 01 High insulation NOTE When changing Function 95 perform this setting before other room temperature control settings Function 30 31 35 and 36 If Function 95 is not set first room temperature con trol settings Function 30 31 35 and 36 will be reset and y...

Page 65: ...STOP button until only the clock is displayed on the remote controller display 2 Press the MODE button for at least 5 seconds to display the cur rent custom code Initially set to 3 Press the TEMP buttons to change the custom code be tween Match the code on the display to the air con ditioner custom code Initially set to 4 Press the MODE button again to return to the clock display The custom code w...

Page 66: ...least 5 seconds to display the current temperature unit Factory setting F 2 Press the TEMP buttons to switch the temperature unit between F and C 3 With either of pressing the START STOP button or no additional button operation for 30 sec onds in step 2 the temperature unit currently selected will be set 62 11 3 Switching the temperature unit of remote controller 11 Function settings WALL MOUNTED ...

Page 67: ...manual 1 Tapping screw large 5 Installation manual 1 Tapping screw small 2 Remote controller 1 Battery 2 Remote controller holder 1 Filter holder 2 Cloth tape 1 Air cleaning filters 1 Wall hook bracket 1 63 12 1 Model ASUH18LMAS 12 Accessories WALL MOUNTED ASUH18 24LMAS WALL MOUNTED ASUH18 24LMAS ...

Page 68: ...insulation 1 Installation manual 1 Cloth tape 1 Wall hook bracket 1 Tapping screw large 8 Remote controller 1 Tapping screw small 2 Battery 2 Air cleaning filters 1 Remote controller holder 1 Filter holder 2 64 12 2 Model ASUH24LMAS 12 Accessories WALL MOUNTED ASUH18 24LMAS WALL MOUNTED ASUH18 24LMAS ...

Page 69: ...AM 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 ...

Page 70: ...ler Wireless 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 con...

Page 71: ...Part 2 OUTDOOR UNIT SINGLE TYPE AOUH18LMAS1 AOUH24LMAS1 ...

Page 72: ...8 788 940 320 Gross 38 1 16 40 7 16 17 1 2 966 1 027 445 Weight Net lb kg 117 53 Gross 134 61 Connection pipe Size Liquid in mm Ø3 8 Ø9 52 Gas Ø5 8 Ø15 88 Method Flare Pre charge length ft m 49 15 66 20 Max length 164 50 Max height difference 98 30 Drain hose Material LDPE Tip diameter in mm Ø1 2 Ø13 0 I D Ø5 8 to 11 16 Ø16 0 to 16 7 O D Operation range Cooling F C 14 to 115 10 to 46 Heating 5 to ...

Page 73: ...50 2 5 16 59 5 3 16 131 3 3 4 95 3 3 4 96 5 1 2 140 2 Ф7 8 22 Cable port 2 Ф7 8 22 Cable port 2 Ф1 8 28 Cable port 2 Ф1 8 28 Cable port Pipe port Pipe port 25 9 16 650 13 7 8 352 3 way valve Gas 3 way valve Liquid 1 1 4 48 Liquid A Detail A 5 5 8 143 5 13 16 147 2 3 16 55 Liquid 1 9 16 40 12 5 8 320 10 7 16 265 13 15 16 354 10 1 2 266 Liquid 11 5 8 296 Gas 2 1 2 64 Gas Rear view Detail B B Detail ...

Page 74: ...of operating performance Single outdoor unit installation When the upper space is open Unit in mm When there are obstacles at the rear only When there are obstacles at the rear and sides 4 100 or more 10 250 or more 4 100 or more 4 100 or more When there are obstacles at the front only When there are obstacles at the front and rear 20 500 or more 20 500 or more 4 100 or more 70 3 1 Models AOUH18LM...

Page 75: ... above When there are obstacles at the rear sides and above 12 300 or more Max 19 500 40 1 000 or more 40 1 000 or more 8 200 or more 10 250 or more 20 500 or more Max 19 500 71 3 1 Models AOUH18LMAS1 and AOUH24LMAS1 3 Installation space OUTDOOR UNIT AOUH18 24LMAS1 OUTDOOR UNIT AOUH18 24LMAS1 ...

Page 76: ...space When the upper space is open Unit in mm When there are obstacles at the rear only When there are obstacles at the front only 12 300 or more 10 250 or more 60 1 500 or more 10 250 or more When there are obstacles at the front and rear 20 500 or more 60 1 500 or more 10 250 or more When an obstruction in the upper space Unit in mm When there are obstacles at the rear and above 60 1 500 or more...

Page 77: ...TION Do not install the outdoor 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 32 F 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 ...

Page 78: ...nger Out temperature ThD ThO ThHO Thermistor Room temperature Thermistor Pipe temperature ThR ThPI Thermistor Heat Exchanger Med temperature ThHM ThHM Heat exchanger 3 way valve 3 way valve Pressure switch 4 way valve Strainer Strainer Expansion valve INDOOR Heat exchanger OUTDOOR Sub accumulator Compressor 74 4 1 Models AOUH18LMAS1 and AOUH24LMAS1 4 Refrigerant circuit OUTDOOR UNIT AOUH18 24LMAS1...

Page 79: ...5 Wiring diagrams 5 1 Models AOUH18LMAS1 and AOUH24LMAS1 75 5 1 Models AOUH18LMAS1 and AOUH24LMAS1 5 Wiring diagrams OUTDOOR UNIT AOUH18 24LMAS1 OUTDOOR UNIT AOUH18 24LMAS1 ...

Page 80: ...lower than outdoor unit 2 5 16 0 998 1 000 1 000 0 976 0 979 0 976 0 971 7 5 24 1 000 1 000 0 976 0 979 0 976 0 971 10 32 1 000 0 976 0 979 0 976 0 971 20 65 0 976 0 979 0 976 0 971 30 98 0 979 0 976 0 971 HEATING Pipe length m 5 7 5 10 20 30 40 50 ft 16 24 32 65 98 131 164 Height difference H Indoor unit is higher than outdoor unit 1 30 98 0 816 0 756 0 686 20 65 0 872 0 816 0 756 0 686 10 32 0 9...

Page 81: ...ge lb oz 0 7 oz 1 lb 5 oz 2 lb 3 oz 3 lb 1 oz g 0 200 600 1 000 1 400 7 2 Model AOUH24LMAS1 Refrigerant type R410A Factory charge amount lb oz 4 lb 10 oz g 2 100 Refrigerant charge Total pipe length ft 65 or less 99 131 165 Max 0 43 oz ft 40 g m m 20 or less 30 40 50 Max Additional charge lb oz 0 14 oz 1 lb 12 oz 2 lb 10 oz g 0 400 800 1 200 77 7 1 Model AOUH18LMAS1 7 Additional charge calculation...

Page 82: ... 795 CFM 1 683 Heating Airflow m3 h 2 960 l s 822 CFM 1 742 8 2 Model AOUH24LMAS1 Cooling Airflow m3 h 3 290 l s 914 CFM 1 936 Heating Airflow m3 h 3 715 l s 1 032 CFM 2 187 78 8 1 Model AOUH18LMAS1 8 Airflow OUTDOOR UNIT AOUH18 24LMAS1 OUTDOOR UNIT AOUH18 24LMAS1 ...

Page 83: ...8 000 NC 65 NC 60 NC 55 NC 50 NC 45 NC 40 NC 35 NC 30 NC 20 NC 15 NC 25 Model AOUH24LMAS1 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 20 NC 15 NC 25 Heating Octave band sound pressure level dB 0 dB 0 0002 µbar Octave band center freque...

Page 84: ...e Rear Airflow Rear view Side view NOTE Detailed shape of the actual outdoor unit might be slightly different from the one illustrated above 80 9 2 Sound level check point 9 Operation noise sound pressure OUTDOOR UNIT AOUH18 24LMAS1 OUTDOOR UNIT AOUH18 24LMAS1 ...

Page 85: ...rcuit Ampacity Calculation based on UL60335 2 40 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 appropriate de vices complied to the regional standard 3 Maximum Circuit Breaker 4 Limit voltage drop to less than 2 If voltage drop is 2 or more increase cable conductor si...

Page 86: ...Fan motor stop Reset 240 8 18 0 16 2 F 116 10 9 C Fan motor restart Compressor protection Thermal protection program Compressor temp Activate 226 4 F 108 C Compressor stop Reset After 3 minutes and 176 F 80 C or less Compressor restart Thermal protection program Discharge temp Activate 230 F 110 C Compressor stop Reset After 7 minutes Compressor restart 82 11 Safety devices OUTDOOR UNIT AOUH18 24L...

Page 87: ... 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 Connector 1 2 1 2 P580 PA580 10m 33ft Contact capacity DC 24 V or more 10 mA or more Make the distance from the PCB to the connecte...

Page 88: ... 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 33 ft 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 90 On Off On Off Input signal Peak cut mo...

Page 89: ...it control PCB Example Relay unit Connected unit Locally purchased Example Fan Signal Connector 1 2 1 2 12 V On Off P590 On Off PA590 10m 33ft Output voltage Vcc DC 12 V 50 mA or less Make the distance from the PCB to the connected unit within 33 ft 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 8...

Page 90: ... Connector 1 2 1 2 10m 33ft 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 33 ft 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 86 12 2 External output 12 External input and output OUTDOOR UNIT AOUH18 24LMAS...

Page 91: ...tons 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 87 13 1 Control PCB and switch buttons location 13 Function settings OUTDOOR UNIT AOUH18 24LMAS1 OUTDOOR UNIT AOUH18 2...

Page 92: ...dicates 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 betwe...

Page 93: ...ch 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 sta...

Page 94: ...3 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 opera...

Page 95: ...18LMAS1 and AOUH24LMAS1 Part name Exterior Q ty Part name Exterior Q ty Installation manual 1 Drain cap 3 Drain pipe 1 91 14 1 Models AOUH18LMAS1 and AOUH24LMAS1 14 Accessories OUTDOOR UNIT AOUH18 24LMAS1 OUTDOOR UNIT AOUH18 24LMAS1 ...

Page 96: ... Exterior Part name Model name Summary External connect kit UTY XWZXZ3 Use to operate the external input and output functions of outdoor unit 92 15 Optional parts OUTDOOR UNIT AOUH18 24LMAS1 OUTDOOR UNIT AOUH18 24LMAS1 ...

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