Fujitsu AUU12RLF Design & Technical Manual Download Page 59

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6. Additional charge calculation

6-1. Models: AOU9RLFC and AOU12RLFC

Refrigerant type

R410A

Refrigerant amount

lb oz

2 lb 10 oz

1,200

Refrigerant charge

Total pipe length

49 or less

66 (Max.)

0.22 oz/ft

(20 g/m)

15 or less

20 (Max.)

Additional charge

3.5

100

6-2. Model: AOU18RLFC

Refrigerant type

R410A

Refrigerant amount

lb oz

2 lb 14 oz

1,300

Refrigerant charge

Total pipe length

49 or less

66 (Max.)

0.22 oz/ft

(20 g/m)

15 or less

20 (Max.)

Additional charge

3.5

100

- 55 -

6-1. Models: AOU9RLFC and AOU12RLFC

6. Additional charge calculation

OUTDOOR UNIT

AOU9-18RLFC

OUTDOOR UNIT

AOU9-18RLFC

Summary of Contents for AUU12RLF

Page 1: ...AIR CONDITIONER Cassette type DESIGN TECHNICAL MANUAL INDOOR AUU9RLF AUU12RLF AUU18RLF OUTDOOR AOU9RLFC AOU12RLFC AOU18RLFC DR_AU017EF_05 2018 06 14 ...

Page 2: ...roduct specifications and design are subject to change without notice for future improvement For further details please check with our authorized dealer Copyright 2018 Fujitsu General Limited All rights reserved ...

Page 3: ...sound pressure 22 6 1 Noise level curve 22 6 2 Sound level check point 24 7 Safety devices 25 8 External input and output 26 8 1 External input 26 8 2 External output 28 8 3 Fresh air control output 29 9 Remote controller 30 9 1 Wired remote controller 30 10 Function settings 32 10 1 Function settings on indoor unit 32 10 2 Function settings by using remote controller 34 10 3 Function settings on ...

Page 4: ...5 Capacity compensation rate for pipe length and height difference 53 5 1 Models AOU9RLFC and AOU12RLFC 53 5 2 Model AOU18RLFC 54 6 Additional charge calculation 55 6 1 Models AOU9RLFC and AOU12RLFC 55 6 2 Model AOU18RLFC 55 7 Airflow 56 7 1 Model AOU9RLFC 56 7 2 Model AOU12RLFC 56 7 3 Model AOU18RLFC 56 8 Operation noise sound pressure 57 8 1 Noise level curve 57 8 2 Sound level check point 58 9 ...

Page 5: ...Part 1 INDOOR UNIT CASSETTE TYPE AUU9RLF AUU12RLF AUU18RLF ...

Page 6: ...30 390 241 410 265 450 Type Q ty Turbo fan 1 Motor output W 54 Sound pressure level 2 Cooling HIGH dB A 33 37 40 MED 32 33 36 LOW 29 31 32 QUIET 28 28 28 Heating HIGH 34 37 44 MED 32 33 40 LOW 29 31 36 QUIET 27 28 30 Heat exchanger type Dimensions H W D in mm 8 1 4 51 9 16 1 2 8 1 4 49 3 16 1 2 210 1 310 13 3 210 1 250 13 3 Fin pitch FPI 21 Rows Stages 2 10 Pipe type Copper tube Fin type Aluminum ...

Page 7: ... 6 11 CWB Pipe length 24 ft 6 in 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 1 Maximum operating current is the total current of the indoor unit and the outdoor unit 2 Sound pressure level Measured values in manufacturer s anechoic chamber Because of the surrounding sound environment the sound levels...

Page 8: ... 17 11 16 450 Maintenance space Side view 8 7 16 215 4 13 16 123 2 5 16 58 4 1 2 114 5 3 4 146 4 1 4 108 4 102 9 5 8 245 1 3 16 30 1 9 16 40 3 7 8 99 Drain port Control box Ceiling Drain port Be sure to leave maintenance space for future service at the designated position Unit in mm a Ceiling openings size Standard type grille UTG CCGF Grid type grille UTG CCGFG 22 13 16 to 26 580 to 660 22 13 16 ...

Page 9: ...6 700 Bottom view 1 3 16 30 1 15 16 49 Side view Grid type grille UTG CCGFG 24 7 16 620 24 7 16 620 Bottom view Side view 1 3 16 30 1 15 16 49 5 2 1 Models AUU9RLF AUU12RLF and AUU18RLF 2 Dimensions CASSETTE TYPE AUU09 18RLF CASSETTE TYPE AUU09 18RLF ...

Page 10: ...When installing the indoor unit be careful about the maintenance space To set 3 direction optional Air outlet shutter plate UTR YDZB must be installed and the out let direction need to be switched to 3 way by remote controller The ceiling height cannot be set in the 3 way outlet mode Therefore ceiling height setting change by function setting 20 is prohibited For details refer to Contents of funct...

Page 11: ...3 Wiring diagram 3 1 Models AUU9RLF AUU12RLF and AUU18RLF 7 3 1 Models AUU9RLF AUU12RLF and AUU18RLF 3 Wiring diagram CASSETTE TYPE AUU09 18RLF CASSETTE TYPE AUU09 18RLF ...

Page 12: ...00 7 20 0 62 9 62 7 37 0 63 9 93 8 19 0 63 104 6 01 5 77 0 51 6 79 5 77 0 52 7 13 6 35 0 52 7 64 6 65 0 53 8 19 6 82 0 53 8 43 7 57 0 54 115 5 53 5 36 0 51 6 24 5 36 0 52 6 59 5 90 0 52 7 03 6 21 0 53 7 51 6 35 0 54 7 75 7 06 0 54 AFR m3 h 540 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 SH...

Page 13: ... 115 7 37 6 55 0 78 8 33 6 55 0 79 8 80 7 23 0 80 9 42 7 57 0 80 10 07 7 75 0 81 10 37 8 63 0 82 AFR m3 h 610 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 3 26 2 54 0 33 3 68 2 87 0 34 3 88 3 02 0 34 4 16 3 24 0 34 4 44 3 46 0 35 4 58 3 57 0 35 5 0 3 ...

Page 14: ...1 18 15 25 11 84 1 19 115 10 07 8 33 1 13 11 40 8 33 1 15 12 01 9 18 1 16 12 86 9 66 1 17 13 75 9 86 1 18 14 16 10 95 1 19 AFR m3 h 680 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 4 57 3 20 0 51 5 16 3 61 0 52 5 44 3 81 0 53 5 82 4 08 0 53 6 22 4 35 ...

Page 15: ... 1 87 10 0 8 3 6 12 1 75 5 98 1 79 5 83 1 83 5 54 1 90 15 0 10 0 6 34 1 76 6 19 1 80 6 04 1 84 5 74 1 91 Model AUU12RLF AFR CFM 359 Indoor temperature FDB 60 65 70 75 Outdoor temperature FDB FWB TC IP TC IP TC IP TC IP kBtu h kW kBtu h kW kBtu h kW kBtu h kW 5 7 15 8 2 23 15 4 2 27 15 0 2 32 14 3 2 36 5 3 17 6 2 16 17 2 2 21 16 8 2 25 15 9 2 34 14 12 18 3 2 09 17 8 2 13 17 4 2 17 16 5 2 26 23 19 1...

Page 16: ... 26 9 2 42 59 50 30 8 2 24 30 1 2 29 29 3 2 34 27 9 2 43 AFR m3 h 800 Indoor temperature CDB 15 6 18 3 21 1 23 9 Outdoor temperature CDB CWB TC IP TC IP TC IP TC IP kW kW kW kW 20 6 21 7 5 67 2 42 5 53 2 47 5 40 2 52 5 13 2 63 15 0 16 1 6 08 2 63 5 93 2 68 5 79 2 74 5 50 2 85 10 0 11 1 6 50 2 68 6 34 2 73 6 19 2 79 5 88 2 90 5 0 7 2 6 78 2 79 6 62 2 85 6 45 2 91 6 13 3 03 0 0 2 2 6 84 3 02 6 68 3 ...

Page 17: ... 3 1 0 2 0 5 2 0 5 2 0 5 2 0 5 1 0 25 1 0 25 1 0 25 1 0 25 Unit ft s m s m ft 0 0 3 3 7 7 10 10 13 13 1 1 2 2 3 3 4 4 m ft 0 0 1 1 3 3 7 7 10 10 13 13 2 2 3 3 4 4 Side view Vertical airflow direction louver Up 7 2 0 3 1 0 2 0 5 2 0 5 1 0 25 1 0 25 Unit ft s m s m ft 0 0 3 7 9 1 2 2 7 m ft 0 0 1 1 3 3 7 7 10 10 13 13 2 2 3 3 4 4 13 5 1 Air velocity distributions 5 Fan performance CASSETTE TYPE AUU0...

Page 18: ... 0 5 1 0 25 1 0 25 Unit ft s m s m ft 0 0 3 7 9 8 1 2 2 7 2 5 m ft 0 0 1 1 3 3 7 7 10 10 13 13 2 2 3 3 4 4 Air temperature distribution Side view Vertical airflow direction louver Down 86 30 86 30 82 28 82 28 79 26 79 26 75 24 75 24 72 22 72 22 Unit F C m ft 0 0 3 7 9 8 1 2 2 7 2 5 m ft 0 0 1 1 3 3 7 7 10 10 13 13 2 2 3 3 4 4 14 5 1 Air velocity distributions 5 Fan performance CASSETTE TYPE AUU09 ...

Page 19: ... 2 0 5 1 0 25 1 0 25 1 0 25 1 0 25 Unit ft s m s 4 3 2 1 0 1 2 3 4 4 3 2 1 0 1 2 3 4 m m 0 3 7 ft 3 7 10 13 10 13 13 10 7 3 0 3 7 10 13 ft Side view Vertical airflow direction louver Up 7 2 0 3 1 0 2 0 5 2 0 5 1 0 25 1 0 25 4 3 2 1 0 1 2 3 4 m 0 1 2 2 7 m Unit ft s m s 0 3 7 9 ft 13 10 7 3 0 3 7 10 13 ft 15 5 1 Air velocity distributions 5 Fan performance CASSETTE TYPE AUU09 18RLF CASSETTE TYPE AU...

Page 20: ...25 1 0 25 4 3 2 1 0 1 2 3 4 m 0 1 2 2 7 m Unit ft s m s 0 3 7 9 ft 13 10 7 3 0 3 7 10 13 ft 2 5 8 Air temperature distribution Side view Vertical airflow direction louver Down 86 30 86 30 82 28 82 28 79 26 79 26 75 24 75 24 72 22 72 22 4 3 2 1 0 1 2 3 4 m 0 1 2 2 7 m Unit ft s m s 0 3 7 9 ft 13 10 7 3 0 3 7 10 13 ft 2 5 8 16 5 1 Air velocity distributions 5 Fan performance CASSETTE TYPE AUU09 18RL...

Page 21: ... 2 0 5 1 0 25 1 0 25 1 0 25 1 0 25 Unit ft s m s 4 3 2 1 0 1 2 3 4 4 3 2 1 0 1 2 3 4 m m 0 3 7 ft 3 7 10 13 10 13 13 10 7 3 0 3 7 10 13 ft Side view Vertical airflow direction louver Up 7 2 0 3 1 0 2 0 5 2 0 5 1 0 25 1 0 25 4 3 2 1 0 1 2 3 4 m 0 1 2 2 7 m Unit ft s m s 0 3 7 9 ft 13 10 7 3 0 3 7 10 13 ft 17 5 1 Air velocity distributions 5 Fan performance CASSETTE TYPE AUU09 18RLF CASSETTE TYPE AU...

Page 22: ... 25 7 2 0 7 2 0 4 3 2 1 0 1 2 3 4 m 0 1 2 2 7 m Unit ft s m s 0 3 7 9 ft 13 10 7 3 0 3 7 10 13 ft 2 5 8 Air temperature distribution Side view Vertical airflow direction louver Down 86 30 86 30 82 28 82 28 79 26 79 26 75 24 75 24 72 22 72 22 4 3 2 1 0 1 2 3 4 m 0 1 2 2 7 m Unit ft s m s 0 3 7 9 ft 13 10 7 3 0 3 7 10 13 ft 2 5 8 18 5 1 Air velocity distributions 5 Fan performance CASSETTE TYPE AUU0...

Page 23: ...h 540 l s 150 CFM 318 MED m3 h 490 l s 136 CFM 288 LOW m3 h 440 l s 122 CFM 259 QUIET m3 h 390 l s 108 CFM 230 Heating Fan speed Airflow HIGH m3 h 540 l s 150 CFM 318 MED m3 h 490 l s 136 CFM 288 LOW m3 h 440 l s 122 CFM 259 QUIET m3 h 390 l s 108 CFM 230 19 5 2 Airflow 5 Fan performance CASSETTE TYPE AUU09 18RLF CASSETTE TYPE AUU09 18RLF ...

Page 24: ...FM 312 LOW m3 h 470 l s 131 CFM 277 QUIET m3 h 410 l s 114 CFM 241 Heating Fan speed Airflow HIGH m3 h 610 l s 169 CFM 359 MED m3 h 530 l s 147 CFM 312 LOW m3 h 470 l s 131 CFM 277 QUIET m3 h 410 l s 114 CFM 241 20 5 2 Airflow 5 Fan performance CASSETTE TYPE AUU09 18RLF CASSETTE TYPE AUU09 18RLF ...

Page 25: ...FM 341 LOW m3 h 490 l s 136 CFM 288 QUIET m3 h 410 l s 114 CFM 241 Heating Fan speed Airflow HIGH m3 h 800 l s 222 CFM 471 MED m3 h 680 l s 189 CFM 400 LOW m3 h 580 l s 161 CFM 341 QUIET m3 h 450 l s 125 CFM 265 21 5 2 Airflow 5 Fan performance CASSETTE TYPE AUU09 18RLF CASSETTE TYPE AUU09 18RLF ...

Page 26: ...0 NC 40 NC 50 NC 60 NC 30 NC 15 NC 25 NC 35 NC 45 NC 55 NC 65 HIGH QUIET Model AUU12RLF Cooling Octave band sound pressure level dB 0 dB 0 00020 μbar Octave band center frequency Hz 0 10 20 30 40 50 60 70 80 63 125 250 500 1 000 2 000 4 000 8 000 NC 20 NC 40 NC 50 NC 60 NC 30 NC 15 NC 25 NC 35 NC 45 NC 55 NC 65 HIGH QUIET Heating Octave band sound pressure level dB 0 dB 0 00020 μbar Octave band ce...

Page 27: ... NC 30 NC 15 NC 25 NC 35 NC 45 NC 55 NC 65 HIGH QUIET Heating Octave band sound pressure level dB 0 dB 0 00020 μbar Octave band center frequency Hz 0 10 20 30 40 50 60 70 80 63 125 250 500 1 000 2 000 4 000 8 000 NC 20 NC 40 NC 50 NC 60 NC 30 NC 15 NC 25 NC 35 NC 45 NC 55 NC 65 HIGH QUIET 23 6 1 Noise level curve 6 Operation noise sound pressure CASSETTE TYPE AUU09 18RLF CASSETTE TYPE AUU09 18RLF ...

Page 28: ...6 2 Sound level check point Microphone Microphone 60 in 1 5 m 24 6 2 Sound level check point 6 Operation noise sound pressure CASSETTE TYPE AUU09 18RLF CASSETTE TYPE AUU09 18RLF ...

Page 29: ...otection Current fuse PCB 250 V 3 15 A Fan motor protection Thermal protection program Activate Activate 212 27 F 100 15 C Fan motor stop Reset Reset 203 18 F 95 10 C Fan motor restart PCB Printed Circuit Board 25 7 Safety devices CASSETTE TYPE AUU09 18RLF CASSETTE TYPE AUU09 18RLF ...

Page 30: ...op The air conditioner can be remotely operated by means of the following on site work Unit operation is started at the following contents by adding the contact input of a commercial on off switch to a connector on the external control PCB and turning it on Unit operation Initial setting after power is on Starting mode other than initial setting Operation mode Auto changeover Mode at previous oper...

Page 31: ...switches When function setting is Operation Stop mode Operation Stop On Off Input signal Indoor unit When function setting is Forced stop mode Remote controller On On On Input signal Indoor unit Command Remote control operation invalidity On Off Operation Stop Forced stop Normal Optional part Part name Model name Exterior External connect kit UTY XWZX External input wire 27 8 1 External input 8 Ex...

Page 32: ...y purchased Indoor unit control PCB Connected unit Example Display Example Relay unit Relay power supply DC 24 V 1 2 Signal V Connector 33 ft 10 m Make the distance from the PCB to the connected unit within 33 ft 10 m Relay spec Max DC 24 V 10 mA to less than 500 mA On Off Operation Stop Indoor unit Output signal Optional part Part name Model name Exterior External connect kit UTY XWZX External ou...

Page 33: ...ower supply Example Fan Connected unit Example Relay unit 33 ft 10 m Make the distance from the PCB to the connected unit within 33 ft 10 m Relay spec Rated DC 12 V 50 mA or less On Off Operation Stop Indoor unit Output signal Optional part Model name Exterior UTZ VXAA Fresh air output wire NOTE This wire is included in both Fresh air intake kit 29 8 3 Fresh air control output 8 External input and...

Page 34: ...e j TIMER DELETE button Deletes the weekly timer schedule k TIMER SET button Sets the date hour minute and on off time l Vertical airflow direction and swing button Push for 2 seconds to change the swing mode m Horizontal airflow direction and swing but ton Push for 2 seconds to change the swing mode n FILTER RESET button o Operation lamp Lights during operation and when the timer is on p Timer an...

Page 35: ...1 16 18 Size H W D in mm 4 3 4 4 3 4 11 16 120 120 18 Weight oz g 5 6 160 Cable length accessory ft m 33 10 Power V 12 Wiring specifications Use Cable size Wire type Remarks Remote controller cable 22 AWG 0 33 mm2 Polar 3 core Use sheathed PVC cable 31 9 1 Wired remote controller 9 Remote controller CASSETTE TYPE AUU09 18RLF CASSETTE TYPE AUU09 18RLF ...

Page 36: ... can change the function settings Related components on the PC board and the applicable settings Component Setting content DIP switch 1 Remote controller address setting 2 3 4 Jumper wire JM1 Setting prohibited JM2 JM3 Component location Components on the indoor unit main PC board used for the function settings are located as shown in the following figure Indoor unit main PCB 32 10 1 Function sett...

Page 37: ...er 00 Remote controller address DIP switch number Factory setting 1 2 3 4 00 OFF OFF OFF OFF 01 ON OFF OFF OFF 02 OFF ON OFF OFF 03 ON ON OFF OFF 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 33 10 1 Function settings on indoor unit 10 Function s...

Page 38: ...P buttons and FAN button simultaneously for more than 5 sec onds to enter the function setting mode SU MO TU WE TH FR SA 3 Press the SET BACK button to select the indoor unit number when you set the remote con troller address setting SET BACK SU MO TU WE TH FR SA Unit number of indoor unit 4 Press the set time buttons to select the function number SU MO TU WE TH FR SA Function number 5 Press the S...

Page 39: ... after 1 minute if no opera tion is performed 8 After completing the function setting be sure to turn off the power and turn it on again CAUTION After turning off the power wait 30 seconds or more before turning on the power again The func tion setting will not become active unless the power is turned off then on again 35 10 2 Function settings by using remote controller 10 Function settings CASSE...

Page 40: ...ot required select No indication 03 Function number Setting value Setting description Factory setting 11 00 Standard 2 500 hours 01 Long interval 4 400 hours 02 Short interval 1 250 hours 03 No indication 2 Ceiling height Select the appropriate ceiling height according to the place of installation Function number Setting value Setting description Factory setting 20 00 Standard 01 High ceiling For ...

Page 41: ...ating 11 2 F 1 0 C 12 3 F 1 5 C 13 4 F 2 0 C 14 5 F 2 5 C 15 6 F 3 0 C 16 7 F 3 5 C 17 8 F 4 0 C 5 Auto restart Enables or disables automatic restart after a power interruption Function number Setting value Setting description Factory setting 40 00 Enable 01 Disable NOTE Auto restart is an emergency function such as for power outage etc Do not attempt to use this function in normal operation Be su...

Page 42: ...ited 02 Forced stop mode 9 Room temperature sensor switching Aux To use the temperature sensor on the wired remote controller only change the setting to Wired re mote 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 possi ble by setting function setting 30 and 31 too Fun...

Page 43: ...tion condition building insulation Heat insulation conditions differ according to the installed environment Standard insulation 00 allows system to rapidly respond to the cooling or heating load changes High insulation 01 is when the heat insulation structure of the building is high and does not re quire system to rapidly respond to cooling or heating load changes When High insulation 01 is select...

Page 44: ...IP switch 1 you can change the function settings for the remote controller DIP switch 1 SW1 Setting change prohibited SW2 Dual remote controller setting SW3 Setting change prohibited SW4 F C switch SW5 Setting change prohibited SW6 Memory backup setting Switches are fixed at OFF initially SW2 Dual remote controller setting Number of remote controller can be changed Number of remote controller Prim...

Page 45: ...up setting Set to ON to use the batteries for memory backup If the batteries are not used all of the set tings stored in the memory will be deleted if there is power failure SW6 Memory backup Factory setting OFF Disabled ON Enabled 41 10 3 Function settings on wired remote controller 10 Function settings CASSETTE TYPE AUU09 18RLF CASSETTE TYPE AUU09 18RLF ...

Page 46: ...Hose band 1 Coupler heat insulation Large 1 Drain hose insulation 1 Coupler heat insulation Small 1 Wired remote controller 1 M10 nut A with flange 4 Remote controller cable 1 M10 nut B with spring lock washer 4 Tapping screw 2 Template Carton top 1 42 11 Accessories CASSETTE TYPE AUU09 18RLF CASSETTE TYPE AUU09 18RLF ...

Page 47: ... by detecting the temperature accurately with built in thermo sensor Wire type Polar 3 wire Simple remote controller UTY RSNUM Compact remote controller concentrates on the basic functions such as Start Stop fan control temperature setting and operation mode Wire type Polar 3 wire Wireless remote controller UTY LNHUM Unit control is performed by wireless remote controller NOTE Available functions ...

Page 48: ... various peripheral devices and air conditioner PCB Air outlet shutter plate UTR YDZB Installed at the air outlet when 3 directions mode is performed Fresh air intake kit UTZ VXAA By attaching Fresh air intake kit to the indoor unit it can be taken in fresh air of up to 10 of high air volume of the indoor unit Insulation kit Insulation for high humidity UTZ KXGC Install when the under roof conditi...

Page 49: ...Part 2 OUTDOOR UNIT SINGLE TYPE AOU9RLFC AOU12RLFC AOU18RLFC ...

Page 50: ...7 32 15 9 16 713 945 395 Weight Net lb kg 84 38 86 39 Gross 93 42 95 43 Connection pipe Size Liquid in mm Ø1 4 Ø6 35 Gas Ø3 8 Ø9 52 Ø1 2 Ø12 70 Method Flare Pre charge length ft m 49 15 Max length 66 20 Max height difference 49 15 Operation range Cooling F C 14 to 115 10 to 46 Heating 5 to 75 21 to 24 Drain hose Material LDPE Size in mm Ø1 2 Ø13 0 I D Ø5 8 to Ø11 16 Ø16 0 to Ø16 7 O D NOTES Specif...

Page 51: ...5 16 110 12 5 8 320 3 8 9 13 16 20 13 16 20 31 1 8 790 2 9 16 65 11 16 18 11 7 16 290 13 7 8 352 7 8 23 24 7 16 620 21 1 4 540 8 1 4 209 4 Ø7 16 11 3 hole 6 7 8 175 Drain pipe mounting place Ø13 16 20 47 2 1 Models AOU9RLFC AOU12RLFC and AOU18RLFC 2 Dimensions OUTDOOR UNIT AOU9 18RLFC OUTDOOR UNIT AOU9 18RLFC ...

Page 52: ... 100 or more When there are obstacles at the front only When there are obstacles at the front and rear 24 600 or more 24 600 or more 4 100 or more When there is an obstruction in the upper space Unit in mm When there are obstacles at the rear and above When there are obstacles at the rear sides and above 12 300 or more Max 19 500 24 600 or more 40 1 000 or more 4 100 or more 10 250 or more 20 500 ...

Page 53: ...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 there is an obstruction in the upper space Unit in mm When there are obstacles at the rear and above 60 1 500 or more 20 500 or more 10 250 or more 10 250 or more Max 11 300 60 1 500 or more 49 2 2 Installation space 2 Dimensions OUTDOOR UNIT AOU9 18RLFC OUTDOOR UNIT AOU9 18RLF...

Page 54: ... efficiency CAUTION 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 clima...

Page 55: ...changer INDOOR Heat exchanger OUTDOOR Compressor Cooling Heating ThD ThR ThP ThHO ThO Thermistor Discharge Temp Thermistor Outdoor Temp Thermistor Heat Exchanger Out Temp ThD ThO ThHO Thermistor Room Temp Thermistor Pipe Temp ThR ThP 51 3 1 Models AOU9RLFC AOU12RLFC and AOU18RLFC 3 Refrigerant circuit OUTDOOR UNIT AOU9 18RLFC OUTDOOR UNIT AOU9 18RLFC ...

Page 56: ...4 Wiring diagrams 4 1 Models AOU9RLFC and AOU12RLFC 4 2 Model AOU18RLFC 52 4 1 Models AOU9RLFC and AOU12RLFC 4 Wiring diagrams OUTDOOR UNIT AOU9 18RLFC OUTDOOR UNIT AOU9 18RLFC ...

Page 57: ...7 0 992 0 964 0 899 0 895 0 0 1 025 1 000 0 971 0 906 0 902 Indoor unit is lower than outdoor unit 2 5 16 1 025 1 000 0 971 0 906 0 902 7 5 24 1 000 0 971 0 906 0 902 10 32 0 971 0 906 0 902 15 49 0 906 0 902 HEATING Pipe length m 5 7 5 10 15 20 ft 16 24 32 49 65 Height difference H Indoor unit is higher than outdoor unit 1 15 49 0 933 0 925 10 32 0 981 0 933 0 925 7 5 24 1 000 0 981 0 933 0 925 5...

Page 58: ...3 0 982 7 5 24 1 000 0 995 0 983 0 982 10 32 0 995 0 983 0 982 15 49 0 983 0 982 HEATING Pipe length m 5 7 5 10 15 20 ft 16 24 32 49 65 Height difference H Indoor unit is higher than outdoor unit 1 15 49 0 994 0 979 10 32 1 012 0 994 0 979 7 5 24 1 000 1 012 0 994 0 979 5 16 0 969 1 000 1 012 0 994 0 979 0 0 0 969 1 000 1 012 0 994 0 979 Indoor unit is lower than outdoor unit 2 5 16 0 964 0 995 1 ...

Page 59: ...ft 20 g m m 15 or less 20 Max Additional charge oz 0 3 5 g 0 100 6 2 Model AOU18RLFC Refrigerant type R410A Refrigerant amount lb oz 2 lb 14 oz g 1 300 Refrigerant charge Total pipe length ft 49 or less 66 Max 0 22 oz ft 20 g m m 15 or less 20 Max Additional charge oz 0 3 5 g 0 100 55 6 1 Models AOU9RLFC and AOU12RLFC 6 Additional charge calculation OUTDOOR UNIT AOU9 18RLFC OUTDOOR UNIT AOU9 18RLF...

Page 60: ...l s 467 CFM 989 7 2 Model AOU12RLFC Cooling m3 h 2 050 l s 569 CFM 1 207 Heating m3 h 1 840 l s 511 CFM 1 083 7 3 Model AOU18RLFC Cooling m3 h 2 475 l s 688 CFM 1 457 Heating m3 h 2 355 l s 654 CFM 1 386 56 7 1 Model AOU9RLFC 7 Airflow OUTDOOR UNIT AOU9 18RLFC OUTDOOR UNIT AOU9 18RLFC ...

Page 61: ...uency Hz 80 70 60 50 40 30 20 10 0 63 125 250 500 1 000 2 000 4 000 8 000 Model AOU12RLFC 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 Heating NC 65 NC 60 NC 55 NC 50 NC 45 NC 40 NC 35 NC 30 NC 25 NC 20 NC 15 Octave band ...

Page 62: ...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 8 2 Sound level check point 40 in 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 8 1 Noise level cu...

Page 63: ...2 1 Minimum Circuit Ampacity Calculation based on UL1995 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 cond...

Page 64: ...ain PCB 250 V 15 A 250 V 10 A 250 V 3 15 A Fan motor protection Thermal protection program Activate 212 27 F 100 15 C Fan motor stop Reset 203 18 F 95 10 C Fan motor restart Compressor protection Thermal protection program Discharge temp Activate 230 F 110 C Compressor stop Reset After 7 minutes Compressor restart 60 10 Safety devices OUTDOOR UNIT AOU9 18RLFC OUTDOOR UNIT AOU9 18RLFC ...

Page 65: ...11 Accessories Part name Exterior Q ty Part name Exterior Q ty Installation manual 1 Drain cap 3 Drain pipe 1 61 11 Accessories OUTDOOR UNIT AOU9 18RLFC OUTDOOR UNIT AOU9 18RLFC ...

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