Rheem RIWH09AVFJ Design & Technical Manual
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Rheem RIWH09AVFJ Design & Technical Manual

Multi: 5 rooms type
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AIR CONDITIONER
Multi: 5 rooms type
DESIGN & TECHNICAL MANUAL
INDOOR
OUTDOOR
RIWH07AVFJ
RIWH09AVFJ
RIWH12AVFJ
RIWH15AVFJ
ROMH45AFXZJ
RIWH18AVFJ
RIWH24AVFJ
R410A
REFRIGERANT
INVERTER
DR_MU015EM_01
2017.02.10

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Summary of Contents for Rheem RIWH09AVFJ

  • Page 1 R410A REFRIGERANT INVERTER AIR CONDITIONER Multi: 5 rooms type DESIGN & TECHNICAL MANUAL INDOOR RIWH07AVFJ RIWH18AVFJ RIWH09AVFJ RIWH24AVFJ RIWH12AVFJ RIWH15AVFJ OUTDOOR ROMH45AFXZJ DR_MU015EM_01 2017.02.10...
  • 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: Table Of Contents

    CONTENTS Part 1. INDOOR UNIT............... 1 1. Model lineup ....................2 1-1. Indoor unit connection patterns................... 3 2. Specifications.................... 6 2-1. Wall mounted type ...................... 6 3. Dimensions....................8 3-1. Wall mounted type ...................... 8 4. Wiring diagrams ..................12 4-1.
  • Page 4 CONTENTS (continued) 15-1.Place where prohibited for use................. 78 15-2.Points to remember when installing ................. 79...
  • Page 5 CONTENTS (continued) Part 2. OUTDOOR UNIT..............81 1. Specifications..................82 1-1. Model: ROMH45AFXZJ .................... 82 2. Dimensions....................83 2-1. Model: ROMH45AFXZJ .................... 83 3. Installation space ..................84 3-1. Model: ROMH45AFXZJ .................... 84 4. Refrigerant circuit ................... 87 4-1. Model: ROMH45AFXZJ .................... 87 5.

  • Page 7: Part 1. Indoor Unit

    Part 1. INDOOR UNIT WALL MOUNTED TYPE: RIWH07AVFJ RIWH09AVFJ RIWH12AVFJ RIWH15AVFJ RIWH18AVFJ RIWH24AVFJ...

  • Page 8: Model Lineup

    1. Model lineup Indoor unit RIWH07AVFJ RIWH18AVFJ RIWH09AVFJ RIWH24AVFJ RIWH12AVFJ RIWH15AVFJ Outdoor unit ROMH45AFXZJ  Indoor units that can be connected to each outdoor unit ●: Connectable / -: Not connectable Wall mounted Outdoor unit RIWH07—24AVFJ kBtu Class 5 Rooms ROMH45AFXZJ ●...

  • Page 9: Indoor Unit Connection Patterns

    1-1. Indoor unit connection patterns  5 rooms ROMH45AFXZJ room 1 room 2 room 3 room 4 room 5 total — — — — — — — — — — — — — — — — — — — — —...
  • Page 10 ROMH45AFXZJ — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — —...
  • Page 11 ROMH45AFXZJ 7: 7,000Btu/h, 9: 9,000Btu/h, 12: 12,000Btu/h, 15: 14,000Btu/h, 18: 18,000Btu/h, 24: 24,000Btu/h - 5 -...

  • Page 12: Specifications

    2. Specifications 2-1. Wall mounted type Model name RIWH07AVFJ RIWH09AVFJ RIWH12AVFJ RIWH15AVFJ Power supply 208/230 V ~ 60 Hz Available voltage range 187—264 V Capacity Btu/h class 7,000 9,000 12,000 14,000 Input power Running current 0.13 0.15 0.19 0.25 HIGH...
  • Page 13 Model name RIWH18AVFJ RIWH24AVFJ Power supply 208/230 V ~ 60 Hz Available voltage range 187—264 V Capacity Btu/h class 18,000 24,000 Input power Running current 0.32 0.53 HIGH 542 (920) 659 (1,120) 436 (740) 530 (900) Cooling 365 (620) 436 (740) QUIET 324 (550) 365 (620)

  • Page 14: Dimensions

    3. Dimensions 3-1. Wall mounted type ¢ Models: RIWH07AVFJ, RIWH09AVFJ, RIWH12AVFJ, and RI- WH15AVFJ Unit: in (mm) 8-1/16 (204) 34-1/4 (870) [34-1/4 (870)] 16-3/4 (426) 17-1/2 (444) 12-3/16 (310) 11-5/8 (295) Outline of unit 6-1/2 (165) 5-11/16 (144) 2-9/16 (65)
  • Page 15  Installation space requirement Provide sufficient installation space for product safety. Unit: in (mm) Outline of unit 1 (25) or more 3 (52) or more 4 (86) or more 6 (144) or more 60 (1,500) or more - 9 -...
  • Page 16 ¢ Models: RIWH18AVFJ and RIWH24AVFJ Unit: in (mm) 39-5/16 (998) 9 (238) 39-5/16 (998) 18-9/16 (471) 17 (432) 2-5/8 (67) 1-1/8 (28) Outline of unit 2-3/8 (61) 17-1/4 (438) 15-5/8 (397) 4 (102) Ø 3-1/8 (80) hole Ø 3-1/8 (80) hole Piping inlet Piping inlet - 10 -...
  • Page 17  Installation space requirement Provide sufficient installation space for product safety. Unit: in (mm) Outline of unit 3 (52) or more 3 (53) or more 4 (80) or more 5 (120) or more 60 (1,500) or more - 11 -...

  • Page 18: Wiring Diagrams

    4. Wiring diagrams 4-1. Wall mounted type ¢ Models: RIWH07AVFJ, RIWH09AVFJ, RIWH12AVFJ, and RI- WH15AVFJ - 12 -...
  • Page 19 ¢ Models: RIWH18AVFJ and RIWH24AVFJ - 13 -...

  • Page 20: Air Velocity And Temperature Distributions

    5. Air velocity and temperature distributions 5-1. Wall mounted type ¢ Model: RIWH07AVFJ Fan speed Operation mode Measuring conditions HIGH Unit: ft/s (m/s) (ft) 7 (2.0) Top view 3 (1.0) 2 (0.5) Vertical airflow direction louver: Up Horizontal airflow direction louver: Center (ft) Unit: ft/s (m/s) (ft)
  • Page 21 ¢ Model: RIWH09AVFJ Fan speed Operation mode Measuring conditions HIGH Unit: ft/s (m/s) (ft) 7 (2.0) Top view 3 (1.0) 2 (0.5) Vertical airflow direction louver: Up Horizontal airflow direction louver: Center (ft) (ft) Unit: ft/s (m/s) 3 (1.0) 7 (2.0) 2 (0.5)
  • Page 22 ¢ Model: RIWH12AVFJ Fan speed Operation mode Measuring conditions HIGH Unit: ft/s (m/s) (ft) 7 (2.0) Top view 3 (1.0) 2 (0.5) Vertical airflow direction louver: Up Horizontal airflow direction louver: Center (ft) Unit: ft/s (m/s) (ft) 3 (1.0) 7 (2.0) 2 (0.5) Top view Vertical airflow direction louver: Up...
  • Page 23 ¢ Model: RIWH15AVFJ Fan speed Operation mode Measuring conditions HIGH Unit: ft/s (m/s) (ft) Top view 7 (2.0) 2 (0.5) 3 (1.0) Vertical airflow direction louver: Up Horizontal airflow direction louver: Center (ft) (ft) Unit: ft/s (m/s) 7 (2.0) 2 (0.5) 3 (1.0) Top view Vertical airflow direction louver: Up...
  • Page 24 ¢ Model: RIWH18AVFJ Fan speed Operation mode Measuring conditions HIGH (ft) Unit: ft/s (m/s) Top view 2 (0.5) 3 (1.0) 7 (2.0) Vertical airflow direction louver: Up Horizontal airflow direction louver: Center (ft) (ft) Unit: ft/s (m/s) 2 (0.5) 7 (2.0) 3 (1.0) Top view Vertical airflow direction louver: Up...
  • Page 25 ¢ Model: RIWH24AVFJ Fan speed Operation mode Measuring conditions HIGH (ft) Unit: ft/s (m/s) Top view 2 (0.5) 7 (2.0) 3 (1.0) Vertical airflow direction louver: Up Horizontal airflow direction louver: Center (ft) (ft) Unit: ft/s (m/s) 2 (0.5) 7 (2.0) 3 (1.0) Top view Vertical airflow direction louver: Up...

  • Page 26: Airflow

    /h = 1 CFM 6-1. Wall mounted type Airflow Operation Model Fan speed mode High Cooling Quiet RIWH07AVFJ High Heating Quiet High Cooling Quiet RIWH09AVFJ High Heating Quiet High Cooling Quiet RIWH12AVFJ High Heating Quiet High Cooling Quiet RIWH15AVFJ High Heating...
  • Page 27 Airflow Operation Model Fan speed mode High 1,120 Cooling Quiet RIWH24AVFJ High 1,100 Heating Quiet - 21 -...

  • Page 28: Noise Level Curve

    NC-20 NC-15 NC-15 Quiet 1,000 2,000 4,000 8,000 1,000 2,000 4,000 8,000 Octave band center frequency, Hz Octave band center frequency, Hz ¢ Model: RIWH09AVFJ  Cooling  Heating NC-65 NC-65 NC-60 NC-60 NC-55 NC-55 NC-50 NC-50 NC-45 NC-45 High...
  • Page 29 ¢ Model: RIWH12AVFJ  Cooling  Heating NC-65 NC-65 NC-60 NC-60 NC-55 NC-55 NC-50 NC-50 High NC-45 NC-45 High NC-40 NC-40 NC-35 NC-35 NC-30 NC-30 NC-25 NC-25 NC-20 NC-20 Quiet Quiet NC-15 NC-15 1,000 2,000 4,000 8,000 1,000 2,000 4,000 8,000 Octave band center frequency, Hz Octave band center frequency, Hz...
  • Page 30 ¢ Model: RIWH18AVFJ  Cooling  Heating NC-65 NC-65 NC-60 NC-60 NC-55 NC-55 H igh NC-50 NC-50 H igh NC-45 NC-45 NC-40 NC-40 NC-35 NC-35 NC-30 NC-30 Quiet Quiet NC-25 NC-25 NC-20 NC-20 NC-15 NC-15 1,000 2,000 4,000 8,000 1,000 2,000 4,000 8,000...

  • Page 31: Sound Level Check Point

    7-2. Sound level check point ¢ Wall mounted type Microphone Microphone 3 ft 3 in (1 m) -3/8 NOTE: Detailed shape of the actual indoor unit might be slightly different from the one illustrated above. - 25 -...

  • Page 32: Electrical Characteristics

    Indoor rated Voltage Input power Type Model name RIWH07AVFJ 0.18 / 0.16 15 / 15 0.14 / 0.13 RIWH09AVFJ 0.20 / 0.19 17 / 17 0.16 / 0.15 RIWH12AVFJ 0.25 / 0.24 22 / 22 0.20 / 0.19 Wall mounted...

  • Page 33: Safety Devices

    Model name PCB* fuse type protector fuse switch Activate: 221 ±18 °F (105 ±10 °C) RIWH07AVFJ Fan motor stop RIWH09AVFJ ― ― Reset: 194 ±18 °F RIWH12AVFJ (90 ±10 °C) RIWH15AVFJ Fan motor restart Wall mounted 250 V, 3.15 A Activate: 302 ±27 °F...

  • Page 34: External Input And Output

    • Contact capacity: DC 24 V or more, 10 mA or more. Indoor unit • *1: PCB of Communication kit is used for wall mount- Connected unit control PCB ed (RIWH07AVFJ, RIWH09AVFJ, RIWH12AVFJ, Connector Example: Switch and RIWH15AVFJ) type. • *2: Make the distance from the PCB to the connect- ed unit within 33 ft (10 m).
  • Page 35 RIWH07AVFJ, RIWH09AVFJ, RIWH12AVFJ, Communication kit RXXCBXZ2 RIWH15AVFJ Wall mounted RIWH18AVFJ, RIWH24AVFJ — — *For operating the external input function, the wall mounted (RIWH07AVFJ, RIWH09AVFJ, RIWH12AVFJ, and RIWH15AVFJ) type requires optional communication kit (RXXCBXZ2) in addition to the wire (RXXWZXZ5). - 29 -...

  • Page 36: 10-2.External Output

    (10 m)*2 Signal Locally purchased • *1: PCB of Communication kit is used for wall mounted (RIWH07AVFJ, RIWH09AVFJ, RI- WH12AVFJ, and RIWH15AVFJ) type. • *2: Make the distance from the PCB to the connected unit within 33 ft (10 m).
  • Page 37  Optional part Indoor unit type Part name Model name RIWH07AVFJ, RIWH09AVFJ, RIWH12AVFJ, RXXWZXZ5 External connect RIWH15AVFJ Wall mounted RIWH18AVFJ, RIWH24AVFJ RXXWZX Indoor unit type Part name Model name RIWH07AVFJ, RIWH09AVFJ, RIWH12AVFJ, Communication kit RXXCBXZ2 RIWH15AVFJ Wall mounted RIWH18AVFJ, RIWH24AVFJ —...
  • Page 38 (10 m) *2 Signal Locally purchased • *1: PCB of Communication kit is used for wall mounted (RIWH07AVFJ, RIWH09AVFJ, RI- WH12AVFJ, and RIWH15AVFJ) type. • *2: Make the distance from the PCB to the connected unit within 33 ft (10 m).

  • Page 39: Remote Controller

    11. Remote controller 11-1. Wireless remote controller (AR-RAH2U) ¢ Overview a FAN button Selects the fan speed (AUTO, HIGH, MED, LOW, and QUIET). b START/STOP button Starts and stops operation. c SET button (vertical) Adjusts the vertical airflow direction. d SET button (horizontal) Adjusts the horizontal airflow direction.
  • Page 40 ¢ Specifications  Controller Unit: in (mm) Top view 3/4 (19) 2-3/16 (56) Front view Side view Rear view Size (H × W × D) in (mm) 6-11/16 × 2-3/16 × 3/4 (170 × 56 × 19) Weight oz (g) 3 (85) (without batteries) NOTE: Actual number of buttons might be different from the figure above.

  • Page 41: 11-2.Wireless Remote Controller (Ar-Reg1U)

    11-2. Wireless remote controller (AR-REG1U) ¢ Overview  AR-REG1U Signal transmitter FAN button MODE button MIN. HEAT button TEMP. ECONOMY button SWING button button SET button POWERFUL button ON TIMER button REG1U OFF TIMER button Start/Stop button TIMER SELECT button REG1U RESET button SLEEP TIMER button...
  • Page 42 ¢ Specifications  Controller Unit: in (mm) Top view 11/16 2-3/8 (17) (61) Front view Side view Size (H × W × D) in (mm) 8-1/16 × 2-3/8 × 11/16 (205 × 61 × 17) Weight oz (g) 4.3 (122) (without batteries) ...

  • Page 43: 11-3.Wired Remote Controller (Rxrnnum: Optional Part)

    11-3. Wired remote controller (RXRNNUM: Optional part) ¢ Overview a START/STOP button Starts and stops operation. b SET TEMP. button Selects the setting temperature. c MODE button Selects the operating mode (AUTO , HEAT ,FAN , COOL , and DRY d FAN button Selects the fan speed AUTO ,QUIET...
  • Page 44 ¢ System diagram 1 remote controller: 2 remote controllers: Indoor unit Indoor unit A, B, C: Remote controller cable A ≤ 1,640 ft (500 m);B + C ≤ 1,640 ft (500 Primary Secondary Remote controller Remote controllers ¢ Electrical wiring 1 remote controller: 2 remote controllers: Indoor unit...
  • Page 45 ¢ Specifications Dimensions and other specifications on the wired remote controller are as follows. Unit: in (mm) 4-3/4 (120) 11/16 (18) Front view Side view Size (H × W × D) in (mm) 4-3/4 × 4-3/4 × 11/16 (120 × 120 × 18) Weight oz (g) 5.6 (160)
  • Page 46 ¢ Installation  Connection pattern NOTE: Connection pattern is different according to type of Indoor unit. Indoor unit types Connection pattern RIWH07AVFJ, RIWH09AVFJ, Pattern A RIWH12AVFJ, and RIWH15AVFJ Wall mounted type RIWH18AVFJ and RIWH24AVFJ Pattern B  Pattern A 1. Modify the remote controller cable as follows: •...
  • Page 47  Pattern B 1. Modify the remote controller cable as follows: • Use a tool to cut off the terminal on the end of the remote controller cable and then remove the insulation from the cut end of the cable as shown in following figure. •...

  • Page 48: 11-4.Simple Remote Controller (Rxrsnum: Optional Part)

    11-4. Simple remote controller (RXRSNUM: Optional part) ¢ Overview a START/STOP button Starts and stops operation. b Display backlight button Lights during operation. c Operation lamp Lights during operation. d FAN button Selects the fan speed (AUTO ,HIGH , MED , and QUIET ).
  • Page 49 ¢ System diagram 1 remote controller: 2 remote controllers: Indoor unit Indoor unit A, B, C: Remote controller cable A ≤ 1,640 ft (500 m);B + C ≤ 1,640 ft (500 Primary Secondary Remote controller Remote controllers ¢ Electrical wiring 1 remote controller: 2 remote controllers: Indoor unit...
  • Page 50 ¢ Specifications Dimensions and other specifications on the wired remote controller are as follows. Unit: in (mm) 2-15/16 (75) 9/16 (14) 1-15/16 (49) 7/16 (11) hole x 2 1-9/16 (39) 1/4 (6) 2-3/8 (60) 3/16 (4) 5/16 (8) hole x 2 Front View Side View Rear View...
  • Page 51 ¢ Installation  Connection pattern NOTE: Connection pattern is different according to type of Indoor unit. Indoor unit types Connection pattern RIWH07AVFJ, RIWH09AVFJ, Pattern A RIWH12AVFJ, and RIWH15AVFJ Wall mounted type RIWH18AVFJ and RIWH24AVFJ Pattern B  Pattern A 1. Modify the remote controller cable as follows: •...
  • Page 52  Pattern B 1. Modify the remote controller cable as follows: • Use a tool to cut off the terminal on the end of the remote controller cable and then remove the insulation from the cut end of the cable as shown in following figure. •...

  • Page 53: Function Settings

    12. Function settings To adjust the functions of this product according to the installation environment, various types of function settings are available. NOTE: Incorrect settings can cause a product malfunction. 12-1. Indoor unit (setting by wireless remote controller) • The function settings of the control of the indoor unit can be changed by this procedure accord- ing to the installation conditions.
  • Page 54 ¢ AR-RAH2U  Button name and function During address setting mode, indoor unit reject the any operation command from remote con- troller. Function number Refer to Function details. MODE button Setting number - Starts the function setting mode Refer to Function details. - Changes the display digits FAN button START/STOP button...
  • Page 55 For confirming the custom code, press the TIMER MODE button to send the code to the in- door unit. 2 short beeps Press the MODE button to enter the function setting mode. Select the function number by pressing the or the button.
  • Page 56 Send the function mode information by pressing the TIMER MODE button once. 2 short beeps Send the function setting information by pressing the START/STOP button once. 2 short beeps will be emitted from the indoor unit when the signal is received correctly. If wrong code is set, no beep sound will be emitted.
  • Page 57  Resetting the power after setting up function of all indoor units NOTES: • If the reset is not performed, function can not be read correctly. • After all the functions have been set, the circuit breaker needs to be switched off for at least 2 minutes.
  • Page 58  Remote controller custom code setting Custom code setting of wireless remote controller needs to be same as the setting of the indoor unit. When you change the custom code setting of the wireless remote controller, do as follows: Press the START/STOP button until only the clock is displayed on the remote controller dis- play.
  • Page 59 Press the MODE button again to return to the clock display. The custom code will be changed. • If no buttons are pressed within 30 seconds after the custom code is displayed, the system re- turns to the original clock display. In this case, start again from step 1. •...
  • Page 60 ¢ AR-REG1U  Button name and function During address setting mode, indoor unit reject the any operation command from remote con- troller. Function number Refer to Function details Setting number Refer to Function details MIN HEAT button POWERFUL button Changes the display digits Switches between the setting number (bottom line) and function number (top line)
  • Page 61 Select the function number by pressing the or the buttons. Each time the 10°C HEAT button is pressed, it switches between the right digit and the left digit. Change digit Change digit Proceed to the setting number by pressing the POWERFUL button. (To return to the function number selection, press the POWERFUL button again.) Select the function number by pressing the or the...
  • Page 62 Press the button once to transmit the function setting information. 2 short beeps will be emitted from the indoor unit when the signal is received correctly. If wrong code is set, no beep sound will be emitted. 2 short beeps NOTE: Press button within 30 seconds after pressing MODE button.
  • Page 63  Setting up each indoor unit Repeat step from 1. to 8. to set up each indoor unit. If the custom code is other than " ", steps from 1. to 2. and 8. need to be performed.  Resetting the power after setting up function of all indoor units NOTES: •...
  • Page 64  Remote controller custom code setting Custom code setting of wireless remote controller needs to be same as the setting of the indoor unit. When you change the custom code setting of the wireless remote controller, do as follows: Press the START/STOP button until only the clock is displayed on the display. Press the MODE button for at least 5 seconds to display the current custom code (initially set to A).
  • Page 65  Remote controller temperature unit To change the displayed temperature unit, press the "°C/°F" switching button to select the pre- ferred temperature unit. (Factory setting is set to “°F”.): - 59 -...

  • Page 66: 12-2.Indoor Unit (Setting By Wired Remote Controller)

    12-2. Indoor unit (setting by wired remote controller) • The function settings of the control of the indoor unit can be changed by this procedure accord- ing to the installation conditions. Incorrect settings can cause the indoor unit malfunction. • After the power is turned on, perform the “Function setting” according to the installation condi- tions using the remote controller.
  • Page 67 ¢ RXRNNUM  Button name and function During address setting mode, indoor unit reject the any operation command from remote con- troller. Function number Refer to Function details Remote controller address Setting number Refer to Function details SET TEMP. “V” and “ Λ...
  • Page 68 Confirm the setting by pressing the TIMER SET button. The data will be transferred to the indoor unit. Not good Good ● Data is not set up on the indoor unit Data is correctly set up on the indoor unit correctly (-- is displayed.) (Flashing display changes to illuminated display.) ●...

  • Page 69: 12-3.Indoor Unit (Setting By Simple Remote Controller)

    12-3. Indoor unit (setting by simple remote controller) • The function settings of the control of the indoor unit can be changed by this procedure accord- ing to the installation conditions. Incorrect settings can cause the indoor unit malfunction. • After the power is turned on, perform the “Function setting” according to the installation condi- tions using the remote controller.
  • Page 70 ¢ RXRSNUM  Button name and function During address setting mode, indoor unit reject the any operation command from remote con- troller. Function number Setting number Refer to Function details Refer to Function details Remote controller address START/STOP button Transmits function setting FAN button SET TEMP.
  • Page 71 Select the setting number by pressing the SET TEMP. or SET TEMP. button. The setting number indicator flashes during setting number selection. Setting number Example) Function number : 30, Setting number : 01 Confirm the setting by pressing the TIMER SET button. The data will be transferred to the indoor unit.
  • Page 72  Resetting the power after setting up function of all indoor units NOTES: • If the reset is not performed, function can not be read correctly. • After all the functions have been set, the circuit breaker needs to be switched off for at least 2 minutes.

  • Page 73: 12-4.Function Details

    12-4. Function details ¢ Contents of function setting Each function setting listed in this section is adjustable in accordance with the installation environ- ment. NOTE: Setting will not be changed if invalid numbers or setting values are selected.  Function setting list Functions Filter sign Room temperature control for indoor unit sensor...
  • Page 74 2) Room temperature control for indoor unit sensor NOTE: Before performing this setting, refer to Function 95. Depending on the installed environment, correction of the room temperature sensor may be re- quired. Select the appropriate control setting according to the installed environment. The temperature correction values show the difference from the Standard setting "00"...
  • Page 75 5) Remote controller custom code (Only for wireless remote controller) The indoor unit custom code can be changed. Select the appropriate custom code. Function number Setting value Setting description Factory setting ♦ 6) External input control "Operation/Stop" mode or "Forced stop" mode can be selected. Function number Setting value Setting description...
  • Page 76 9) Room temperature control for wired remote controller sensor NOTE: Before performing this setting, refer to Function 95. Depending on the installed environment, correction of the room temperature sensor may be re- quired. Select the appropriate control setting according to the installed environment. To change this setting, set Function 42 to "Both"...

  • Page 77: 12-5.Wired Remote Controller

    12-5. Wired remote controller Prohibited Dual remote controller setting Prohibited DIP switch 1 °F/°C switch Prohibited Memory backup setting * Do not use DIP switch 2. ¢ Switch location Front case (back side) DIP switch 2 DIP switch 1 (All slide switches fixed at OFF ¢...
  • Page 78  SW6: Memory backup setting (only for wired remote controller) Set to “ON” to use batteries for the memory backup. When batteries are not used, all of settings stored in memory will be deleted if there is a pow- er failure. Memory backup Factory setting Invalidity...

  • Page 79: 12-6.Simple Remote Controller

    12-6. Simple remote controller Prohibited Dual remote controller setting °F/°C switch DIP switch Prohibited Prohibited Prohibited ¢ Switch location DIP Switch ¢ Dip switch setting  SW2: Dual remote controller setting Set the remote controller SW2 according to the following table. Primary unit Secondary unit Number of remote controller...

  • Page 80: Accessories

    13. Accessories 13-1. Wall mounted type ¢ Models: RIWH07AVFJ, RIWH09AVFJ, RIWH12AVFJ, and RI- WH15AVFJ Part name Exterior Q’ty Part name Exterior Q’ty Operating manual Cloth tape Tapping screw (large), Installation manual M4 × 25 mm Wall hook bracket Tapping screw (small),...
  • Page 81 ¢ Models: RIWH18AVFJ and RIWH24AVFJ Part name Exterior Q’ty Part name Exterior Q’ty Operating manual Drain hose insulation Installation manual Cloth tape Tapping screw (large), Wall hook bracket M4 × 25 mm Remote controller Tapping screw (small) Battery Air cleaning filter Remote controller Air cleaning filter frame holder...

  • Page 82: Optional Parts

    14. Optional parts 14-1. Controllers ¢ Lineup Type Wired remote Simple remote Indoor unit type Wireless remote controller controller controller RXRNNUM AR-RAH2U AR-REG1U RXRSNUM RIWH07AVFJ RIWH09AVFJ ◌* — ● ◌* RIWH12AVFJ Wall mounted RIWH15AVFJ RIWH18AVFJ ◌ ● — ◌ RIWH24AVFJ ●: Accessory, ◌: Optional, —: Not applicable...

  • Page 83: 14-2.Others

    ( x 1 ) ( x 2 ) For wall mounted type (RIWH18AVFJ and For wall mounted type (RIWH07AVFJ, RIWH24AVFJ) RIWH09AVFJ, RIWH12AVFJ, and RIWH15AVFJ) Communication kit Model: RXXCBXZ2 For wall mounted type (RIWH07AVFJ, RIWH09AVFJ, RIWH12AVFJ, and RIWH15AVFJ) - 77 -...

  • Page 84: Indoor Unit Installation Precautions

    15. Indoor unit installation precautions NOTE: The information listed below are general precautions. Some models also include items that do not apply. 15-1. Place where prohibited for use • Places where there is a danger of combustible gas leakage. • Places where sulfur gas, chlorine gas, acid, alkali, or other matter which effects equipment is generated.
  • Page 85 15-2. Points to remember when installing • The product shall be installed at a place which can withstand the weight and vibration of the indoor. • To allow maintenance after refrigerant piping, drain piping, and electric wiring connection and installation, provide an installation service space and an inspection port, as required. *Installation service space is shown on "Dimensions"...
  • Page 86 Work method when reinforcing the heat insulation of on-site piping Slit of heat insulating material Heat insulation reinforcement material Flare connection facing upward (procured at the site) To indoor unit Covered gas pipe (heat insulation strengthened) Fit tightly Heat insulating material Small exposed part Binding material (purpose is to cover the sealant)

  • Page 87: Part 2. Outdoor Unit

    Part 2. OUTDOOR UNIT 5 ROOMS TYPE: ROMH45AFXZJ...

  • Page 88: Specifications

    1Ø 208/230 V 60 Hz Available voltage range 187—264V Number 2 to 5 Connectable indoor unit Total capacity 34,000 to 54,000 Btu/h range Combination of indoor unit RIWH09AVFJ x 5 Btu/h 45,000 Rated 13.2 Cooling Btu/h 12,000—48,000 Min. - Max. 3.5—14.0...

  • Page 89: Dimensions

    2. Dimensions 2-1. Model: ROMH45AFXZJ Unit: in (mm) 6-9/16 (166) 25-9/16 (650) 6-1/16 (154) 3 (76) 3-3/16 (81) 3-15/16 (100) Top view 14-9/16 1-5/16 (33) (370) 9/16 (14) 3-3/4 (95) 38-3/16 (970) 7/8 (22.2) (cable port) 1-2/16 (27.8) (cable port) (22.2) (cable port) 3 (76.3)

  • Page 90: Installation Space

    3. Installation space 3-1. Model: ROMH45AFXZJ ¢ Space requirement Provide sufficient installation space for product safety.  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.
  • Page 91  Multiple 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 front only. 10 (250) or more 60 (1,500) or more 10 (250) or more 12 (300) or more...
  • Page 92  Outdoor unit installation in multi-row Unit: in (mm) Single parallel unit arrangement Multiple parallel unit arrangement 20 (500) 20 (500) or more or more 119 (3,000) 138 (3,500) or more or more 24 (600) or more 24 (600) or more 60 (1,500) or more 60 (1,500) or more 10 (250)

  • Page 93: Refrigerant Circuit

    4. Refrigerant circuit 4-1. Model: ROMH45AFXZJ CONDENSER STRAINER STRAINER SOLENOID VALVE PRESSURE SENSOR FUSIBLE PLUG MUFFLER CHARGING CHARGING VALVE VALVE EXPANSION EXPANSION EXPANSION EXPANSION EXPANSION VALVE VALVE VALVE VALVE VALVE STRAINER STRAINER STRAINER STRAINER STRAINER HEAT EXCHANGER HEAT EXCHANGER HEAT EXCHANGER HEAT EXCHANGER HEAT EXCHANGER Indoor unit A...

  • Page 94: Wiring Diagram

    5. Wiring diagram 5-1. Model: ROMH45AFXZJ - 88 -...

  • Page 95: Capacity Table

    6. Capacity table 6-1. Combinations ¢ Model: ROMH45AFXZJ  Cooling Rated capacity for each indoor Maximum capacity for each in- Total capacity Combination of indoor unit Input power [kW] unit [kBtu/h] door unit [kBtu/h] [kBtu/h] Type of in- door unit Room Room Room...
  • Page 96 Rated capacity for each indoor Maximum capacity for each in- Total capacity Combination of indoor unit Input power [kW] unit [kBtu/h] door unit [kBtu/h] [kBtu/h] Type of in- door unit Room Room Room Room Room Room Room Room Room Room Room Room Room...
  • Page 97 ¢ Model: ROMH45AFXZJ  Heating Rated capacity for each indoor Maximum capacity for each in- Total capacity Combination of indoor unit Input power [kW] unit [kBtu/h] door unit [kBtu/h] [kBtu/h] Type of in- door unit Room Room Room Room Room Room Room Room...
  • Page 98 Rated capacity for each indoor Maximum capacity for each in- Total capacity Combination of indoor unit Input power [kW] unit [kBtu/h] door unit [kBtu/h] [kBtu/h] Type of in- door unit Room Room Room Room Room Room Room Room Room Room Room Room Room...

  • Page 99: Cooling Capacity

    6-2. Cooling capacity ¢ Model: ROMH45AFXZJ NOTE: Values mentioned in the table are calculated based on the maximum capacity.  Cooling TC: Total Capacity (kBtu/h), IP: Input Power (kW) Indoor temperature Indoor unit connect- Outdoor temperature 64 °FDB 70 °FDB 75 °FDB 80 °FDB 85 °FDB...
  • Page 100 Indoor temperature Indoor unit connect- Outdoor temperature 64 °FDB 70 °FDB 75 °FDB 80 °FDB 85 °FDB 90 °FDB ing capacity 54 °FWB 60 °FWB 63 °FWB 67 °FWB 71 °FWB 73 °FWB kBtu/h °FDB 37.6 1.55 42.5 1.58 44.8 1.59 48.0 1.61...
  • Page 101 Indoor temperature Indoor unit connect- Outdoor temperature 64 °FDB 70 °FDB 75 °FDB 80 °FDB 85 °FDB 90 °FDB ing capacity 54 °FWB 60 °FWB 63 °FWB 67 °FWB 71 °FWB 73 °FWB kBtu/h °FDB 34.3 1.37 38.7 1.39 40.8 1.40 43.7 1.42...
  • Page 102 Indoor temperature Indoor unit connect- Outdoor temperature 64 °FDB 70 °FDB 75 °FDB 80 °FDB 85 °FDB 90 °FDB ing capacity 54 °FWB 60 °FWB 63 °FWB 67 °FWB 71 °FWB 73 °FWB kBtu/h °FDB 28.4 1.01 32.1 1.02 33.9 1.03 36.3 1.04...
  • Page 103  Cooling in kW TC: Total Capacity (kW), IP: Input Power (kW) Indoor temperature Indoor unit connect- Outdoor temperature 17.8 °CDB 21.1 °CDB 23.9 °CDB 26.7 °CDB 29.4 °CDB 32.2 °CDB ing capacity 12.2 °CWB 15.6 °CWB 17.2 °CWB 19.4 °CWB 21.7 °CWB 22.8 °CWB kBtu/h...
  • Page 104 Indoor temperature Indoor unit connect- Outdoor temperature 17.8 °CDB 21.1 °CDB 23.9 °CDB 26.7 °CDB 29.4 °CDB 32.2 °CDB ing capacity 12.2 °CWB 15.6 °CWB 17.2 °CWB 19.4 °CWB 21.7 °CWB 22.8 °CWB kBtu/h °CDB -10.0 11.02 1.55 12.46 1.58 13.13 1.59 14.00...
  • Page 105 Indoor temperature Indoor unit connect- Outdoor temperature 17.8 °CDB 21.1 °CDB 23.9 °CDB 26.7 °CDB 29.4 °CDB 32.2 °CDB ing capacity 12.2 °CWB 15.6 °CWB 17.2 °CWB 19.4 °CWB 21.7 °CWB 22.8 °CWB kBtu/h °CDB -10.0 10.04 1.37 11.35 1.39 11.97 1.40 12.80...
  • Page 106 Indoor temperature Indoor unit connect- Outdoor temperature 17.8 °CDB 21.1 °CDB 23.9 °CDB 26.7 °CDB 29.4 °CDB 32.2 °CDB ing capacity 12.2 °CWB 15.6 °CWB 17.2 °CWB 19.4 °CWB 21.7 °CWB 22.8 °CWB kBtu/h °CDB -10.0 8.33 1.01 9.41 1.02 9.92 1.03 10.60...
  • Page 107 2.25 4.92 2.57 5.18 2.96 5.55 3.32 5.93 3.64 6.11 4.17 MODEL: RIWH09AVFJ Indoor temperature (°FDB / °FWB) Outdoor temperature 64.0 / 54.0 70.0 / 60.0 75.0 / 63.0 80.0 / 67.0 85.0 / 71.0 90.0 / 73.0 (°FDB) 14.0 7.53...
  • Page 108 MODEL: RIWH15AVFJ Indoor temperature (°FDB / °FWB) Outdoor temperature 64.0 / 54.0 70.0 / 60.0 75.0 / 63.0 80.0 / 67.0 85.0 / 71.0 90.0 / 73.0 (°FDB) 14.0 12.54 8.14 14.18 9.28 14.94 10.68 16.00 12.00 17.10 13.12 17.63 15.04 23.0 12.54...
  • Page 109 0.66 1.44 0.75 1.52 0.87 1.63 0.97 1.74 1.07 1.79 1.22 MODEL: RIWH09AVFJ Indoor temperature (°CDB / °CWB) Outdoor temperature 17.8 / 12.2 21.1 / 15.6 23.9 / 17.2 26.7 / 19.4 29.4 / 21.7 32.2 / 22.8 (°CDB) -10.0 2.21...
  • Page 110 MODEL: RIWH15AVFJ Indoor temperature (°CDB / °CWB) Outdoor temperature 17.8 / 12.2 21.1 / 15.6 23.9 / 17.2 26.7 / 19.4 29.4 / 21.7 32.2 / 22.8 (°CDB) -10.0 3.68 2.39 4.15 2.72 4.38 3.13 4.69 3.52 5.01 3.85 5.17 4.41 -5.0 3.68...

  • Page 111: Heating Capacity

    6-3. Heating capacity ¢ Model: ROMH45AFXZJ NOTE: Values mentioned in the table are calculated based on the maximum capacity.  Heating in kBtu/h TC: Total Capacity (kBtu/h), IP: Input Power (kW) Indoor temperature Indoor unit connect- Outdoor temperature ing capacity 60 °FDB 65 °FDB 70 °FDB...
  • Page 112 Indoor temperature Indoor unit connect- Outdoor temperature ing capacity 60 °FDB 65 °FDB 70 °FDB 75 °FDB 78 °FDB kBtu/h °FDB °FWB 33.1 4.70 32.3 4.80 31.5 4.90 30.8 5.00 30.0 5.10 37.3 4.70 36.5 4.80 35.6 4.90 34.7 5.00 33.8 5.10 41.6...
  • Page 113 Indoor temperature Indoor unit connect- Outdoor temperature ing capacity 60 °FDB 65 °FDB 70 °FDB 75 °FDB 78 °FDB kBtu/h °FDB °FWB 28.0 3.93 27.3 4.01 26.6 4.10 26.0 4.18 25.3 4.26 31.5 3.93 30.8 4.01 30.0 4.10 29.3 4.18 28.5 4.26 35.1...
  • Page 114  Heating in kW TC: Total Capacity (kW), IP: Input Power (kW) Indoor temperature Indoor unit connect- Outdoor temperature ing capacity 15.6 °CDB 18.3 °CDB 21.1 °CDB 23.9 °CDB 25.6 °CDB kBtu/h °CDB °CWB -15.0 -16.1 9.70 4.70 9.47 4.80 9.20 4.90 9.01...
  • Page 115 Indoor temperature Indoor unit connect- Outdoor temperature ing capacity 15.6 °CDB 18.3 °CDB 21.1 °CDB 23.9 °CDB 25.6 °CDB kBtu/h °CDB °CWB -15.0 -16.1 9.70 4.70 9.47 4.80 9.20 4.90 9.01 5.00 8.78 5.10 -10.0 -11.1 10.94 4.70 10.68 4.80 10.40 4.90 10.16...
  • Page 116 Indoor temperature Indoor unit connect- Outdoor temperature ing capacity 15.6 °CDB 18.3 °CDB 21.1 °CDB 23.9 °CDB 25.6 °CDB kBtu/h °CDB °CWB -15.0 -16.1 7.98 3.83 7.79 3.91 7.60 3.99 7.41 4.07 7.22 4.15 -10.0 -11.1 8.99 3.83 8.78 3.91 8.50 3.99 8.35...
  • Page 117 8.61 8.40 8.19 7.98 68.0 59.0 8.42 8.22 8.02 7.82 7.62 75.0 65.0 8.02 7.83 7.64 7.45 7.26 MODEL: RIWH09AVFJ Indoor temperature (°FDB) Outdoor temperature 60.0 65.0 70.0 75.0 78.0 (°FDB) (°FWB) 6.62 6.47 6.31 6.15 5.99 14.0 12.0 7.47 7.29...
  • Page 118 MODEL: RIWH15AVFJ Indoor temperature (°FDB) Outdoor temperature 60.0 65.0 70.0 75.0 78.0 (°FDB) (°FWB) 11.04 10.78 10.51 10.25 9.99 14.0 12.0 12.45 12.15 11.85 11.56 11.26 23.0 19.0 13.86 13.53 13.20 12.87 12.54 32.0 28.0 16.14 15.76 15.37 14.99 14.61 41.0 37.0 18.43...
  • Page 119 2.52 2.46 2.40 2.34 20.0 15.0 2.47 2.41 2.35 2.29 2.23 23.9 18.3 2.35 2.30 2.24 2.18 2.13 MODEL: RIWH09AVFJ Indoor temperature (°CDB) Outdoor temperature 15.6 18.3 21.1 23.9 25.6 (°CDB) (°CWB) -15.0 -16.1 1.94 1.90 1.85 1.80 1.76 -10.0 -11.1...
  • Page 120 MODEL: RIWH15AVFJ Indoor temperature (°CDB) Outdoor temperature 15.6 18.3 21.1 23.9 25.6 (°CDB) (°CWB) -15.0 -16.1 3.24 3.16 3.08 3.00 2.93 -10.0 -11.1 3.65 3.56 3.47 3.39 3.30 -5.0 -7.2 4.06 3.96 3.87 3.77 3.67 -2.2 4.73 4.62 4.51 4.39 4.28 5.40 5.27...

  • Page 121: Capacity Compensation Rate For Pipe Length And Height Difference

    7. Capacity compensation rate for pipe length and height difference Height difference H Indoor unit is higher than outdoor unit Indoor unit is lower than outdoor unit Outdoor unit Indoor unit Outdoor unit Indoor unit Connection pipe Connection pipe 7-1. Model: ROMH45AFXZJ NOTE: Values mentioned in the table are calculated based on the maximum capacity.
  • Page 122 ¢ Indoor unit: 9,000 Btu Pipe length COOLING — — — 0.956 0.942 0.928 — — 0.977 0.963 0.950 0.936 Indoor unit is higher than outdoor unit *1 — 0.988 0.981 0.967 0.954 0.940 0.999 0.992 0.985 0.971 0.957 0.943 1.007 1.000 0.993...
  • Page 123 ¢ Indoor unit: 14,000 Btu Pipe length COOLING — — — 0.955 0.937 0.922 — — 0.974 0.962 0.945 0.930 Indoor unit is higher than outdoor unit *1 — 0.988 0.978 0.966 0.948 0.934 0.997 0.992 0.982 0.970 0.952 0.937 1.005 1.000 0.990...
  • Page 124 ¢ Indoor unit: 24,000 Btu Pipe length COOLING — — — 0.978 0.969 0.953 — — 0.986 0.986 0.977 0.961 Indoor unit is higher than outdoor unit *1 — 0.988 0.990 0.990 0.981 0.965 0.989 0.992 0.994 0.994 0.984 0.968 0.997 1.000 1.002...

  • Page 125: Additional Charge Calculation

    8. Additional charge calculation 8-1. Model: ROMH45AFXZJ Refrigerant type R410A lb oz 8 lb 13 oz Refrigerant amount 4,000 ¢ Refrigerant charge 164 (50) 262 (80) 0.22 oz/ft Total pipe length ft (m) 197 (60) 230 (70) or less (Max.) (20 g/m) Additional charge lb oz (g)

  • Page 126: Airflow

    9. Airflow 9-1. Model: ROMH45AFXZJ  Cooling 4,200 1,167 2,472  Heating 4,200 1,167 2,472 - 120 -...

  • Page 127: Operation Noise (Sound Pressure)

    10. Operation noise (sound pressure) 10-1. Noise level curve ¢ Model: ROMH45AFXZJ  Cooling  Heating NC-65 NC-65 NC-60 NC-60 NC-55 NC-55 RATING RATING NC-50 NC-50 NC-45 NC-45 QUIET QUIET NC-40 NC-40 NC-35 NC-35 NC-30 NC-30 NC-25 NC-25 NC-20 NC-20 NC-15 NC-15 1,000...

  • Page 128: Electrical Characteristics

    11. Electrical characteristics Model name ROMH45AFXZJ Voltage 208/230 ~ Power supply Frequency 28.9 Starting current 20.1 CKT. BKR Wiring spec. * Power cable *: 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 devices complied to the regional standard.

  • Page 129: Safety Devices

    12. Safety devices Model Type of protection Protection form ROMH45AFXZJ 250 V, 10 A 250 V, 5 A Current fuse (PCB) 400 V, 5 A Circuit protection 250 V, 3.15 A Protector 500 V, 45 A (PCB) 239±27 °F Activate (115±15 °C) Fan motor stop Fan motor protection...

  • Page 130: Function Settings

    13. Function settings 13-1. Setting methods WARNING Never touch electrical components such as the terminal blocks or reactor except the switch on the display board. It may cause a serious accident such as electric shock. CAUTION • Once refrigerant charging is completed, be sure to open the valve prior to performing the local settings.
  • Page 131 ¢ Setting method 1. Be sure to disconnect the power supply or turn off the breaker. 2. Change the DIP switch setting according to the required setting. • Various settings can be adjusted by changing DIP switches and push switches on the board of the outdoor unit.
  • Page 132 ¢ Description of display LED display lamp Function or operation method • Turns on when the power supply is ON (Including when error occurs). (1) POWER/MODE Green • Indicate the MODE by the number of flashes when the installation function is active. (2) ERROR Flashes at high-speed when there is an error.

  • Page 133: 13-2.Outdoor Unit Low Noise Operation Function (Option)

    13-2. Outdoor unit low noise operation function (option) Change the outdoor unit low noise operation by using this setting. Optional Central remote controller is necessary to use this function. SET2-1 Setting Factory setting Lower ♦ CAUTION • When the low noise operation function is working, cooling and heating capacity will de- crease.

  • Page 134: Check And Test

    14. Check and test 14-1. Check run • The check run is a function to screen and detect any wiring errors. • After carrying out the check run, you can use the automatic wiring correction function to correct the wiring. •...
  • Page 135 ¢ Operating procedure for check run CAUTION Initiate check run after more than 12 hours after the power supply is connected. NOTE: Be sure that the indoor unit and outdoor unit are not operating before starting the check run. 1. Press the "CHECK" switch for 3 seconds or more. CHECK 2.
  • Page 136 4. After the check run is completed, results will be displayed. Fill the displayed results in the re- sult table accordingly. • If the connection is correct (Example: When 4 indoor units are connected) After the number of connected units are displayed, the LED for each unit will light up in or- der from A to D.
  • Page 137 [How to record the contents] • Fill the displayed results according to the following example. Example: When piping A to D is connected but the wires for B and C are connected in re- verse. <Displayed results> The LEDs will light up in 7 second intervals in the following order. POWER ERROR MONITOR...
  • Page 138 NOTES: • *1: By using this function, the wiring is automatically corrected according to the piping. • *2: When correcting the wiring manually, please disconnect the power supply or turn off the breaker during results display, and then change the wiring manually according to the obtained test results.
  • Page 139 ¢ Check run judgment failure display If check run cannot be performed, the following is displayed. In this case, the check run will stop. Please check by using the cooling test run of the indoor unit.  Temperature out of range judgment POWER ERROR MONITOR...

  • Page 140: 14-2.Test Run

    14-2. Test run CAUTION Always connect the power supply 12 hours prior to the start of the operation in order to protect the compressor. 1. Indoor unit a. Is the drain normal? b. Is there any abnormal noise and vibration during operation? 2.
  • Page 141 5. Press "TEST RUN" switch for more than 3 seconds. POWER ERROR MONITOR MODE POWER/MODE LED will turn on, and test run stops. - 135 -...

  • Page 142: 14-3.Error Code

    14-3. Error code If an error occurs, the LED will light up to display the error location and the error code. ¢ In the event of an error The error LED blink quickly. POWER ERROR MONITOR MODE blink (High-speed) ¢ Error location display LEDs A to F of MONITOR light up and display the error location.
  • Page 143 ¢ Error code display While the error is occurring, briefly press SW1. The error code is displayed. Example: Coil error (Error cord = 9A.1) POWER ERROR MONITOR MODE Blink [A(10)] (High-speed) (9-blink) Display mode LED on: LED off: Blink: (0.5s Light on / 0.5s Light off) Number of blinking: ( )
  • Page 144 Error code Error type 11.3 Serial communication error 11.4 Serial communication error during operation 16.5 Communication error between controller and outdoor unit 22.1 Indoor unit capacity error 5U.1 Indoor unit error 62.1 PCB model information error 62.3 EEPROM access error 62.8 EEPROM data corruption error 63.1...

  • Page 145: 14-4.Pump Down

    14-4. Pump down WARNING During the pump down operation, make sure that compressor is off before you remove the refrig- erant piping. Do not remove the connection pipe while the compressor is in operation with valve open. This may cause abnormal pressure in the refrigeration cycle that leads to breakage and even injury.
  • Page 146 7. Disconnect the power supply or turn off the breaker. NOTE: If the pump down is not stopped by pressing the switch as in step 6, it will stop au- tomatically after 15 minutes and the LED will light as follows. If the pump down is complete, disconnect the power supply or turn off the breaker.

  • Page 147: Accessories

    15. Accessories Part name Exterior Q’ty Part name Exterior Q’ty Installation manual Drain cap Adapter K 1/2 in (12.70 mm) Drain pipe 2 set 3/8 in (9.52 mm) Adapter L Cable tie with clip 1/2 in (12.70 mm) 2 set (Large) 5/8 in (15.88 mm) Adapter H...

  • Page 148: Outdoor Unit Installation Precautions

    16. Outdoor unit installation precautions NOTE: The information listed below are general precautions. Some models also include items that do not apply. 16-1. Place where prohibited for use • Places where there is a danger of combustible gas leakage. • Places where sulfur gas, chlorine gas, acid, alkali, or other matter which effects equipment is generated.

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