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11. Safety devices

Type of

protection

Protection form

Model

ROSH18AXFWJ

ROSH24AXFWJ

Circuit protection

Current fuse (Filter PCB)

250 V, 5 A × 2

Current fuse (Main PCB)

250 V, 3.15 A × 2

Fan motor
protection

Thermal protection

Activate

302

+27

-18

 °F (150

+15

-10

 °C)

Fan motor stop

Reset

248

+27

-18

 °F (120

+15

-10

 °C)

Fan motor restart

Compressor
protection

Terminal protection
program
(Compressor temp.)

Activate

226 °F (108 °C)

Compressor stop

Reset

176 °F (80 °C)

Compressor restart

Thermal protection
program
(Discharge temp.)
(COOL or DRY mode)

Activate

230 °F (110 °C)

Compressor stop

Reset

After 7 minutes

Compressor restart

High pressure
protection

Pressure switch

Activate

4.2±0.1 MPa

Compressor stop

Reset

3.2±0.15 MPa

Compressor restart

DESIGN & TECHNICAL MANUAL

- 46 -

OUTDOOR UNIT

ROSH18-24AXFWJ

Summary of Contents for RIWH18AVFJ

Page 1: ...AIR CONDITIONER Wall mounted type REFRIGERANT R410A INVERTER DESIGN TECHNICAL MANUAL INDOOR RIWH18AVFJ RIWH24AVFJ OUTDOOR ROSH18AXFWJ ROSH24AXFWJ DR_AS043EM_01 2017 01 27...

Page 2: ...Notices Product specifications and design are subject to change without notice for future improvement For further details please check with our authorized dealer...

Page 3: ...ns 9 5 2 Airflow 12 6 Operation noise sound pressure 14 6 1 Noise level curve 14 6 2 Sound level check point 15 7 Safety devices 16 8 External input and output 17 8 1 External input 17 8 2 External ou...

Page 4: ...8AXFWJ 38 5 2 Model ROSH24AXFWJ 39 6 Capacity compensation rate for pipe length and height difference 40 6 1 Models ROSH18AXFWJ and ROSH24AXFWJ 40 7 Additional charge calculation 41 7 1 Models ROSH18A...

Page 5: ...Part 1 INDOOR UNIT WALL MOUNTED TYPE RIWH18AVFJ RIWH24AVFJ...

Page 6: ...ons H W D in mm Main 14 7 8 32 3 4 1 1 16 378 832 26 6 Sub 3 5 16 32 3 4 1 2 84 832 13 3 Fin pitch FPI Main 21 Sub 18 Rows Stages Main 2 18 Sub 1 4 Pipe type Copper tube Fin type Aluminum Enclosure Ma...

Page 7: ...8 12 5 8 320 39 5 16 998 Outline of unit 18 9 16 471 2 5 8 67 1 1 8 28 1 13 16 46 17 1 4 438 2 3 8 61 4 102 15 5 8 397 17 432 2 3 16 56 2 3 16 56 3 8 10 12 5 8 320 11 16 17 3 1 8 80 hole Piping inlet...

Page 8: ...nt Provide sufficient installation space for product safety Unit in mm 3 63 or more 4 80 or more 3 52 or more 3 53 or more 4 80 or more Outline of unit 5 120 or more 60 1 500 or more 71 1 800 or more...

Page 9: ...3 Wiring diagrams 3 1 Models RIWH18AVFJ and RIWH24AVFJ 5 WALL MOUNTED RIWH18 24AVFJ...

Page 10: ...21 43 12 83 1 26 95 14 23 9 86 1 30 15 87 9 93 1 32 17 47 10 82 1 34 18 02 11 67 1 35 19 11 11 63 1 36 20 16 12 39 1 38 104 13 58 9 59 1 45 15 12 9 66 1 47 16 65 10 54 1 49 17 16 11 36 1 50 18 22 11...

Page 11: ...11 50 1 92 20 54 12 42 1 93 21 77 12 35 1 95 23 00 13 17 1 97 115 12 35 9 21 1 56 13 75 9 28 1 58 15 18 10 13 1 61 15 63 10 92 1 61 16 58 10 88 1 63 17 50 11 60 1 65 AFR m3 h 1 120 Indoor temperature...

Page 12: ...2 97 8 43 3 03 8 22 3 09 15 0 10 0 8 57 2 48 8 37 2 53 8 16 2 58 7 96 2 63 7 75 2 68 Model RIWH24AVFJ AFR CFM 677 Indoor temperature FDB 60 65 70 72 75 Outdoor temperature FDB FWB TC IP TC IP TC IP T...

Page 13: ...7 8 ft 7 14 20 27 7 3 0 3 7 ft 7 2 3 1 2 0 5 Top view Vertical airflow direction louver Up Horizontal airflow direction louver Left Right 3 2 1 0 1 2 3 m m Unit ft s m s 0 1 2 3 4 5 6 7 8 ft 7 14 20 2...

Page 14: ...e view Vertical airflow direction louver Down Horizontal airflow direction louver Center 3 2 1 0 m m Unit ft s m s 0 1 2 3 4 5 6 7 8 ft 7 14 20 27 10 7 3 0 ft 7 2 3 1 2 0 5 10 WALL MOUNTED RIWH18 24AV...

Page 15: ...rection louver Left Right 3 2 1 0 1 2 3 m m Unit ft s m s 0 1 2 3 4 5 6 7 8 ft 7 14 20 27 10 7 3 0 3 7 10 ft 2 0 5 2 0 5 3 1 3 1 7 2 7 2 Side view Vertical airflow direction louver Up Horizontal airfl...

Page 16: ...56 CFM 541 MED m3 h 740 l s 206 CFM 435 LOW m3 h 620 l s 172 CFM 365 QUIET m3 h 520 l s 144 CFM 306 Heating Fan speed Airflow HIGH m3 h 920 l s 256 CFM 541 MED m3 h 740 l s 206 CFM 435 LOW m3 h 620 l...

Page 17: ...659 MED m3 h 900 l s 250 CFM 530 LOW m3 h 740 l s 206 CFM 435 QUIET m3 h 620 l s 172 CFM 365 Heating Fan speed Airflow HIGH m3 h 1 150 l s 319 CFM 677 MED m3 h 900 l s 250 CFM 530 LOW m3 h 740 l s 20...

Page 18: ...bar 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 Model RIWH24AVFJ Cooling NC 65 NC 60 NC 55 NC 50 NC 45 NC 40 NC 35 NC 30 NC 25 NC 20 NC...

Page 19: ...evel check point 2 ft 7 5 8 in 0 8 m 3 ft 3 3 8 in 1 m Microphone Microphone NOTE Detailed shape of the actual indoor unit might be slightly different from the one illustrated above 15 WALL MOUNTED RI...

Page 20: ...Current fuse 250 V 3 A Fan motor protection Thermistor protection Activate More than 185 F 85 C Fan motor speed down Reset Less than 185 F 85 C Fan motor speed recover Power IC thermal shutdown protec...

Page 21: ...ble is 492 ft 150 m The wire connection should be separate from the power cable line Control input Operation Stop or Forced stop The air conditioner can be remotely operated by means of the following...

Page 22: ...33 ft 10 m Use non polar relays and 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...

Page 23: ...utput Circuit diagram example Locally 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...

Page 24: ...for the initial test in the unit installation i CLOCK ADJUST button Used for adjusting the clock j TIMER MODE button Selects the timer mode off timer on timer program timer and timer reset k SLEEP but...

Page 25: ...ght oz g 3 85 without batteries NOTE Actual number of buttons might be different from the figure above Holder Unit in mm Front view Side view Bottom view 2 3 8 60 4 1 3 16 30 2 1 8 3 5 1 8 x 1 4 3 5 x...

Page 26: ...e remote controller custom code Use the following steps to select the custom code of the remote controller Note that the air con ditioner cannot receive a custom code if the air conditioner has not be...

Page 27: ...een the left and right digits press the MODE but ton 4 Press the TIMER MODE button and START STOP button in the order listed to confirm the settings 5 Press the RESET button to cancel the function set...

Page 28: ...External input control 7 48 Room temperature sensor switching Aux 8 92 93 Room temperature control for wired remote controller sensor 9 94 Fixed operation mode switching 10 95 Heat insulation conditi...

Page 29: ...F 3 5 C 09 8 F 4 0 C 10 1 F 0 5 C Less cooling More heating 11 2 F 1 0 C 12 3 F 1 5 C 13 4 F 2 0 C 14 5 F 2 5 C 15 6 F 3 0 C 16 7 F 3 5 C 3 Auto restart Enables or disables automatic restart after a p...

Page 30: ...ting 46 00 Operation Stop mode 01 Setting prohibited 02 Forced stop mode 7 Room temperature sensor switching Aux To use the temperature sensor on the wired remote controller only change the setting to...

Page 31: ...ly or cooling only Function number Setting value Setting description Factory setting 94 00 Heat pump 01 Heating only 02 Cooling only 10 Heat insulation condition building insulation Heat insulation co...

Page 32: ...play to the air conditioner custom code 4 Press the MODE button again to return to the clock indicator The custom code will be changed NOTES If no button is pressed within 30 seconds after the custom...

Page 33: ...1 Drain hose insulation 1 Installation manual 1 Cloth tape 1 Wall hook bracket 1 Tapping screw large M4 25 mm 8 Remote controller 1 Tapping screw small M3 12 mm 2 Battery 2 Air cleaning filter 2 Remot...

Page 34: ...by detecting the temperature accurately with built in thermo sensor Wire type Polar 3 wire Simple remote controller RXRSNUM Compact remote controller concentrates on the basic functions such as Start...

Page 35: ...Part 2 OUTDOOR UNIT SINGLE TYPE ROSH18AXFWJ ROSH24AXFWJ...

Page 36: ...900 330 Gross in 39 3 8 41 5 16 17 1 2 mm 1 000 1 050 445 Weight Net lb kg 135 61 Gross 152 69 Connection pipe Size Liquid in mm 3 8 9 52 Gas 5 8 15 88 Method Flare Pre charge length ft m 66 20 Max l...

Page 37: ...4AXFWJ Unit in mm Top view Front view Side view Bottom view 3 77 35 3 8 900 32 3 4 830 17 3 8 440 7 8 21 15 3 4 400 13 330 7 3 4 196 5 3 4 147 6 3 4 170 14 5 8 370 25 5 8 650 Airflow 1 1 4 31 1 2 12 3...

Page 38: ...4 100 or more 10 250 or more 12 300 or more 4 100 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 th...

Page 39: ...50 or more 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 there is an obstruction in the upper space Unit in...

Page 40: ...to obtain better opera tion 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 malf...

Page 41: ...J and ROSH24AXFWJ 3 way valve small 3 way valve large Muffler Pressure switch 4 way valve Strainer Expansion valve Strainer Heat exchanger INDOOR Heat exchanger OUTDOOR Sub accumulator Compressor Cool...

Page 42: ...5 Wiring diagrams 5 1 Model ROSH18AXFWJ 38 OUTDOOR UNIT ROSH18 24AXFWJ...

Page 43: ...5 2 Model ROSH24AXFWJ 39 OUTDOOR UNIT ROSH18 24AXFWJ...

Page 44: ...963 0 0 0 998 1 000 1 000 0 976 0 979 0 976 0 971 Indoor unit is 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...

Page 45: ...WJ Refrigerant type R410A Refrigerant amount lb oz 4 lb 10 1 oz g 2 100 Refrigerant charge Total pipe length ft 66 or less 98 131 164 Max 0 43 oz ft 40 g m m 20 or less 30 40 50 Max Additional charge...

Page 46: ...el ROSH18AXFWJ Cooling m3 h 2 530 l s 703 CFM 1 489 Heating m3 h 2 530 l s 703 CFM 1 489 8 2 Model ROSH24AXFWJ Cooling m3 h 3 400 l s 944 CFM 2 001 Heating m3 h 3 600 l s 1 000 CFM 2 119 42 OUTDOOR UN...

Page 47: ...0 10 0 63 125 250 500 1 000 2 000 4 000 8 000 NC 65 NC 60 NC 55 NC 50 NC 45 NC 40 NC 35 NC 30 NC 25 NC 20 NC 15 Model ROSH24AXFWJ Cooling Octave band sound pressure level dB 0 dB 0 0002 bar Octave ban...

Page 48: ...heck point 39 3 8 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 illustrat ed above 44 OUTDOOR UN...

Page 49: ...ength ft m 167 51 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 circu...

Page 50: ...t 248 27 18 F 120 15 10 C Fan motor restart Compressor protection Terminal protection program Compressor temp Activate 226 F 108 C Compressor stop Reset 176 F 80 C Compressor restart Thermal protectio...

Page 51: ...Part name Exterior Q ty Part name Exterior Q ty Installation manual 1 Adapter 12 7 1 2 15 88 5 8 mm in Only for 18 model 1 Drain pipe 1 Adapter 6 35 1 4 9 52 3 8 mm in 1 Drain cap 5 47 OUTDOOR UNIT R...

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