Page 1 R410A REFRIGERANT INVERTER AIR CONDITIONER Multi: 2, 3, 4 rooms type DESIGN & TECHNICAL MANUAL INDOOR UIWH07AVFJ UIWH18AVFJ UIWH09AVFJ UIWH24AVFJ UIWH12AVFJ UIWH15AVFJ OUTDOOR UOMH18AFXZJ UOMH36AFXZJ UOMH24AFXZJ DR_MU016ED_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.................... 5 2-1. Wall mounted type ...................... 5 3. Dimensions....................7 3-1. Wall mounted type ...................... 7 4. Wiring diagrams ..................11 4-1.
Page 4 CONTENTS (continued) 15-1.Place where prohibited for use................. 76 15-2.Points to remember when installing ................. 77...
Page 5 CONTENTS (continued) Part 2. OUTDOOR UNIT (2 ROOMS TYPE) ........79 1. Specifications..................80 1-1. Model: UOMH18AFXZJ .................... 80 2. Dimensions....................81 2-1. Model: UOMH18AFXZJ .................... 81 3. Installation space ..................82 3-1. Model: UOMH18AFXZJ .................... 82 4. Refrigerant circuit ................... 85 4-1.
Page 6 CONTENTS (continued) Part 3. OUTDOOR UNIT (3 ROOMS TYPE) ........ 107 1. Specifications..................108 1-1. Model: UOMH24AFXZJ ..................108 2. Dimensions.................... 109 2-1. Model: UOMH24AFXZJ ..................109 3. Installation space .................. 110 3-1. Model: UOMH24AFXZJ ..................110 4. Refrigerant circuit ................. 113 4-1.
Page 7 CONTENTS (continued) Part 4. OUTDOOR UNIT (4 ROOMS TYPE) ........ 149 1. Specifications..................150 1-1. Model: UOMH36AFXZJ ..................150 2. Dimensions.................... 151 2-1. Model: UOMH36AFXZJ ..................151 3. Installation space .................. 152 3-1. Model: UOMH36AFXZJ ..................152 4. Refrigerant circuit ................. 155 4-1.
Page 9: Part 1. Indoor Unit
Part 1. INDOOR UNIT WALL MOUNTED TYPE: UIWH07AVFJ UIWH09AVFJ UIWH12AVFJ UIWH15AVFJ UIWH18AVFJ UIWH24AVFJ...
Page 10: Model Lineup
1. Model lineup Indoor unit UIWH07AVFJ UIWH18AVFJ UIWH09AVFJ UIWH24AVFJ UIWH12AVFJ UIWH15AVFJ Outdoor unit UOMH18AFXZJ UOMH24AFXZJ UOMH36AFXZJ  Indoor units that can be connected to each outdoor unit ●: Connectable / —: Not connectable Wall mounted Outdoor unit UIWH07—15AVFJ UIWH18, 24AVFJ...
Page 11: Indoor Unit Connection Patterns
1-1. Indoor unit connection patterns  2 rooms UOMH18AFXZJ Room 1 Room 2 Total 7: 7,000Btu/h, 9: 9,000Btu/h, 12: 12,000Btu/h  3 rooms UOMH24AFXZJ Room 1 Room 2 Room 3 Total — — — — — — — — — —...
Page 12  4 rooms UOMH36AFXZJ Room 1 Room 2 Room 3 Room 4 Total — — — — — — — — — — — — — — — — — — — — 7: 7,000Btu/h, 9: 9,000Btu/h, 12: 12,000Btu/h, 15: 14,000Btu/h, 18: 18,000Btu/h, 24: 24,000Btu/h *1: Optional kit RXK9FZ1818 shall be necessary for the dual zone system "18 + 18".
Page 13: Specifications
2. Specifications 2-1. Wall mounted type Model name UIWH07AVFJ UIWH09AVFJ UIWH12AVFJ UIWH15AVFJ 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 14 Model name UIWH18AVFJ UIWH24AVFJ 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 15: Dimensions
3. Dimensions 3-1. Wall mounted type ¢ Models: UIWH07AVFJ, UIWH09AVFJ, UIWH12AVFJ, and UI- 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 16: Installation Space Requirement
 Installation space requirement Provide sufficient installation space for product safety. CAUTION Do not place any other electrical products or household belongings under the product. Conden- sation dripping from the product might get them wet, and may cause damage or malfunction to the property.
Page 17 ¢ Models: UIWH18AVFJ and UIWH24AVFJ 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 - 9 -...
Page 18  Installation space requirement Provide sufficient installation space for product safety. CAUTION Do not place any other electrical products or household belongings under the product. Conden- sation dripping from the product might get them wet, and may cause damage or malfunction to the property.
Page 19: Wiring Diagrams
4. Wiring diagrams 4-1. Wall mounted type ¢ Models: UIWH07AVFJ, UIWH09AVFJ, UIWH12AVFJ, and UI- WH15AVFJ - 11 -...
Page 20 ¢ Models: UIWH18AVFJ and UIWH24AVFJ - 12 -...
Page 21: Air Velocity And Temperature Distributions
5. Air velocity and temperature distributions 5-1. Wall mounted type ¢ Model: UIWH07AVFJ 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...
Page 22 ¢ Model: UIWH09AVFJ 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) Top view Vertical airflow direction louver: Up...
Page 23 ¢ Model: UIWH12AVFJ 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 24 ¢ Model: UIWH15AVFJ 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 25 ¢ Model: UIWH18AVFJ 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 26 ¢ Model: UIWH24AVFJ 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 27: Airflow
• 3.6 m /h = 1 l/s • 1.699 m /h = 1 CFM 6-1. Wall mounted type Airflow Operation Model Fan speed mode High Cooling Quiet UIWH07AVFJ High Heating Quiet High Cooling Quiet UIWH09AVFJ High Heating Quiet High Cooling...
Page 28 Airflow Operation Model Fan speed mode High 1,120 Cooling Quiet UIWH24AVFJ High 1,100 Heating Quiet - 20 -...
Page 29: Noise Level Curve
7. Noise level curve 7-1. Wall mounted type ¢ Model: UIWH07AVFJ  Cooling  Heating NC-65 NC-65 NC-60 NC-60 NC-55 NC-55 NC-50 NC-50 NC-45 NC-45 High NC-40 NC-40 High NC-35 NC-35 NC-30 NC-30 NC-25 NC-25 Quiet NC-20 NC-20 NC-15 NC-15...
Page 30 ¢ Model: UIWH12AVFJ  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 31 ¢ Model: UIWH18AVFJ  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 32: 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. - 24 -...
Page 33: Electrical Characteristics
8. Electrical characteristics Power supply Indoor rated Voltage Input power Type Model name UIWH07AVFJ 0.18 / 0.16 15 / 15 0.14 / 0.13 UIWH09AVFJ 0.20 / 0.19 17 / 17 0.16 / 0.15 UIWH12AVFJ 0.25 / 0.24 22 / 22 0.20 / 0.19...
Page 34: Safety Devices
Fan motor thermal Terminal thermal Float Model name PCB* fuse type protector fuse switch Activate: 221 ±18 °F (105 ±10 °C) UIWH07AVFJ Fan motor stop UIWH09AVFJ ― ― Reset: 194 ±18 °F UIWH12AVFJ (90 ±10 °C) UIWH15AVFJ Fan motor restart Wall mounted 250 V, 3.15 A...
Page 35: 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 (UIWH07AVFJ, UIWH09AVFJ, UIWH12AVFJ, Connector Example: Switch and UIWH15AVFJ) type. • *2: Make the distance from the PCB to the connect- ed unit within 33 ft (10 m).
Page 36: Optional Part
UIWH07AVFJ, UIWH09AVFJ, UIWH12AVFJ, Communication kit RXXCBXZ2 UIWH15AVFJ Wall mounted UIWH18AVFJ, UIWH24AVFJ — — *For operating the external input function, the wall mounted (UIWH07AVFJ, UIWH09AVFJ, UIWH12AVFJ, and UIWH15AVFJ) type requires optional communication kit (RXXCBXZ2) in addition to the wire (RXXWZXZ5). - 28 -...
Page 37: 10-2.External Output
(10 m)*2 Signal Locally purchased • *1: PCB of Communication kit is used for wall mounted (UIWH07AVFJ, UIWH09AVFJ, UI- WH12AVFJ, and UIWH15AVFJ) type. • *2: Make the distance from the PCB to the connected unit within 33 ft (10 m).
Page 38 Communication kit RXXCBXZ2 UIWH15AVFJ Wall mounted UIWH18AVFJ, UIWH24AVFJ — — *For operating the external output function, the wall mounted type (UIWH07AVFJ, UI- WH09AVFJ, UIWH12AVFJ, and UIWH15AVFJ) requires optional Communication kit (RXXCBXZ2) in addition to the wire (RXXWZXZ5). - 30 -...
Page 39: Error Status Output
(10 m) *2 Signal Locally purchased • *1: PCB of Communication kit is used for wall mounted (UIWH07AVFJ, UIWH09AVFJ, UI- WH12AVFJ, and UIWH15AVFJ) type. • *2: Make the distance from the PCB to the connected unit within 33 ft (10 m).
Page 40: 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 41 ¢ 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 42: 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 43 ¢ 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 44: 11-3.Wired Remote Controller (Uxrnnum: Optional Part)
11-3. Wired remote controller (UXRNNUM: 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 45: System Diagram
¢ 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 46: Wiring Specifications
22 AWG (0.33 mm ¢ Installation  Connection pattern NOTE: Connection pattern is different according to type of Indoor unit. Indoor unit types Connection pattern UIWH07AVFJ, UIWH09AVFJ, Pattern A UIWH12AVFJ, and UIWH15AVFJ Wall mounted type UIWH18AVFJ and UIWH24AVFJ Pattern B ...
Page 47: Optional Parts
 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 (Uxrsnum: Optional Part)
11-4. Simple remote controller (UXRSNUM: 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 UIWH07AVFJ, UIWH09AVFJ, Pattern A UIWH12AVFJ, and UIWH15AVFJ Wall mounted type UIWH18AVFJ and UIWH24AVFJ 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 MIN. 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”.): - 57 -...
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 ¢ UXRNNUM  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 ¢ UXRSNUM  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: Function Setting List
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: UIWH07AVFJ, UIWH09AVFJ, UIWH12AVFJ, and UI- WH15AVFJ Part name Exterior Q’ty Part name Exterior Q’ty Operating manual Cloth tape Tapping screw (large), Installation manual M4 × 25 mm Tapping screw (small), Wall hook bracket M3 ×...
Page 81 ¢ Models: UIWH18AVFJ and UIWH24AVFJ 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 Tapping screw (small), Remote controller M3 × 12 mm Battery Air cleaning filter Remote controller...
Page 82: Optional Parts
14. Optional parts 14-1. Controllers ¢ Lineup Type Wired remote Simple remote Indoor unit type Wireless remote controller controller controller UXRNNUM AR-RAH2U AR-REG1U UXRSNUM UIWH07AVFJ UIWH09AVFJ ◌* — ● ◌* UIWH12AVFJ Wall mounted UIWH15AVFJ UIWH18AVFJ ◌ ● — ◌ UIWH24AVFJ ●: Accessory, ◌: Optional, —: Not applicable...
Page 83: 14-2.Others
( x 1 ) ( x 1 ) ( x 1 ) ( x 2 ) For wall mounted type (UIWH18AVFJ and For wall mounted type (UIWH07AVFJ, UIWH24AVFJ) UIWH09AVFJ, UIWH12AVFJ, and UIWH15AVFJ) Communication kit Model: RXXCBXZ2 For wall mounted type (UIWH07AVFJ,...
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: Points To Remember When Installing
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 (2 Rooms Type)
Part 2. OUTDOOR UNIT (2 ROOMS TYPE) MULTI TYPE: UOMH18AFXZJ...
Page 88: Specifications
1. Specifications 1-1. Model: UOMH18AFXZJ Type Inverter heat pump Model name UOMH18AFXZJ Power source 1Ø 208/230 V 60 Hz Available voltage range 187—264V Number Connectable indoor unit Total capacity range 14,000 to 21,000 Btu/h Combination of indoor unit UIWH09AVFJ × 2 Btu/h 18,000 Rated...
Page 89: Dimensions
2. Dimensions 2-1. Model: UOMH18AFXZJ Unit: in (mm) Top view 1-9/16 1-1/4 35-7/16 (900) (40) (31) 13 (330) (12) 15-3/4 (400) Front view Side view 25-9/16 (650) Airflow (12) 4-Ø1/2 (Ø12) Bottom view 1-5/8 Drain cap mounting places Drain pipe mounting places (41) - 81 -...
Page 90: Installation Space
3. Installation space 3-1. Model: UOMH18AFXZJ ¢ 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
 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. 60 (1,500) or more 10 (250) 12 (300) or more or more When there are obstacles at the front and rear.
Page 92: Outdoor Unit Installation In Multi-Row
 Outdoor unit installation in multi-row Unit: in (mm) Single parallel unit arrangement Multiple parallel unit arrangement 6 (150) or more 20 (500) or more 79 (2,000) or more 119 (3,000) or more 24 (600) or more 24 (600) or more 60 (1,500) or more 40 (1,000) or more 10 (250) or more...
Page 93: Refrigerant Circuit
4. Refrigerant circuit 4-1. Model: UOMH18AFXZJ - 85 -...
Page 94: Wiring Diagram
5. Wiring diagram 5-1. Model: UOMH18AFXZJ - 86 -...
Page 95: Capacity Table
6. Capacity table 6-1. Combinations ¢ Model: UOMH18AFXZJ  Cooling Rated capacity for each in- Maximum capacity for Total capacity Combination of indoor unit Input power (kW) door unit (kBtu/h) each indoor unit (kBtu/h) (kBtu/h) Room 1 Room 2 Total Room 1 Room 2 Room 1...
Page 96: Cooling Capacity
6-2. Cooling capacity NOTE: Values mentioned in the table are calculated based on the maximum capacity. ¢ Model: UOMH18AFXZJ • TC: Total Capacity, SHC: Sensible Heat Capacity, IP: Input Power • The data is based on the following conditions: Pipe length: 24.6 ft (7.5 m), Height difference: 0 ft (0 m) [Outdoor unit—Indoor unit] ...
Page 97  Indoor units: 9,000 Btu Indoor temperature °FDB °FWB °FDB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 7.54 6.16 0.31 8.52 6.15 0.31 8.99 6.78 0.31 9.62 7.12 0.32 10.29 7.28 0.32 10.60 8.09 0.32 7.23 6.01 0.35 8.17 6.00 0.35 8.61 6.62 0.35...
Page 98  Indoor units: 7,000 Btu + 7,000 Btu Indoor temperature °FDB °FWB °FDB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 12.74 10.15 0.56 14.40 10.14 0.57 15.18 11.18 0.57 16.25 11.73 0.58 17.38 12.00 0.59 17.91 13.34 0.59 12.21 9.90 0.63 13.80 9.89 0.64...
Page 99  Indoor units: 7,000 Btu + 12,000 Btu Indoor temperature °FDB °FWB °FDB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 15.12 11.76 0.69 17.08 11.74 0.70 18.01 12.95 0.71 19.28 13.59 0.72 20.61 13.90 0.73 21.25 15.45 0.73 14.49 11.47 0.78 16.37 11.45 0.80...
Page 100  Indoor units: 9,000 Btu + 12,000 Btu Indoor temperature °FDB °FWB °FDB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 15.31 12.02 0.72 17.31 12.00 0.73 18.24 13.24 0.74 19.53 13.89 0.75 20.88 14.22 0.76 21.52 15.80 0.76 14.68 11.72 0.82 16.58 11.71 0.83...
Page 101: Heating Capacity
6-3. Heating capacity NOTE: Values mentioned in the table are calculated based on the maximum capacity. ¢ Model: UOMH18AFXZJ • TC: Total Capacity, IP: Input Power • The data is based on the following conditions: Pipe length: 24.6 ft (7.5 m), Height difference: 0 ft (0 m) [Outdoor unit—Indoor unit] ...
Page 102  Indoor units: 9,000 Btu Indoor temperature °FDB °FDB °FWB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 10.98 1.31 10.63 1.35 10.27 1.39 9.91 1.43 9.70 1.45 12.49 1.41 12.10 1.45 11.69 1.49 11.28 1.54 11.03 1.56 13.18 1.37 12.77 1.41 12.33 1.45 11.90 1.49...
Page 103  Indoor units: 7,000 Btu + 7,000 Btu Indoor temperature °FDB °FDB °FWB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 13.01 1.82 12.60 1.88 12.18 1.93 11.75 1.99 11.49 2.02 14.68 1.94 14.22 1.99 13.74 2.05 13.26 2.11 12.97 2.14 16.52 1.90 16.00 1.95 15.46...
Page 104  Indoor units: 7,000 Btu + 12,000 Btu Indoor temperature °FDB °FDB °FWB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 15.02 1.95 14.54 2.00 14.05 2.06 13.56 2.12 13.26 2.15 16.95 1.96 16.42 2.02 15.86 2.08 15.31 2.14 14.97 2.15 18.86 1.96 18.26 2.02 17.65...
Page 105  Indoor units: 9,000 Btu + 12,000 Btu Indoor temperature °FDB °FDB °FWB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 14.87 1.95 14.40 2.01 13.91 2.06 13.42 2.12 13.13 2.15 16.78 1.97 16.25 2.03 15.70 2.09 15.15 2.15 14.82 2.15 18.86 1.97 18.26 2.03 17.65...
Page 106: 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: UOMH18AFXZJ NOTE: Values mentioned in the table are calculated based on the maximum capacity.
Page 107: Indoor Unit: 9,000 Btu
¢ 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 0.953 0.940 0.999 0.992 0.985 0.971 0.957 0.943 1.007 1.000 0.993 0.979 0.965 0.951 1.007 1.000 0.993...
Page 108: Additional Charge Calculation
8. Additional charge calculation 8-1. Model: UOMH18AFXZJ Refrigerant type R410A lb oz 4 lb 14 oz Refrigerant amount 2,200 ¢ Refrigerant charge 98 or less 164 (Max.) Total pipe length 0.21 oz/ft 30 or less 50 (Max.) lb oz 7.1 oz 14.1 oz (20 g/m) Additional charge...
Page 109: Airflow
9. Airflow 9-1. Model: UOMH18AFXZJ  Cooling 3,050 1,795  Heating 2,750 1,619 - 101 -...
Page 110: Operation Noise (Sound Pressure)
10. Operation noise (sound pressure) 10-1. Noise level curve ¢ Model: UOMH18AFXZJ  Cooling  Heating NC-65 NC-65 NC-60 NC-60 NC-55 NC-55 NC-50 NC-50 NC-45 NC-45 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 2,000 4,000 8,000 1,000...
Page 111: Electrical Characteristics
11. Electrical characteristics Model name UOMH18AFXZJ Voltage 208/230 ~ Power supply Frequency MCA *1 Starting current MAX. CKT. BKR *3 Wiring spec. *2 Power cable *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 appropri- ate devices complied to the regional standard.
Page 112: Safety Devices
12. Safety devices Model Type of protection Protection form UOMH18AFXZJ 250 V, 5 A Current fuse (Main PCB) 250 V, 3.15 A Circuit protection Current fuse 250 V, 10 A (Near the terminal) 302 ±27 °F Activate (150 ±15 °C) Fan motor stop Fan motor protection Temperature thermistor...
Page 113: Accessories
13. Accessories Part name Exterior Q’ty Part name Exterior Q’ty Installation manual Drain pipe Drain cap - 105 -...
Page 114: Outdoor Unit Installation Precautions
14. Outdoor unit installation precautions NOTE: The information listed below are general precautions. Some models also include items that do not apply. 14-1. 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 115: Part 3. Outdoor Unit (3 Rooms Type)
Part 3. OUTDOOR UNIT (3 ROOMS TYPE) MULTI TYPE: UOMH24AFXZJ...
Page 116: Specifications
1Ø 208/230 V 60 Hz Available voltage range 187—264V Number 2 to 3 Connectable indoor unit Total capacity range 14,000 to 21,000 Btu/h Combination of indoor unit UIWH09AVFJ + UIWH07AVFJ × 2 Btu/h 22,000 Rated 6.42 Cooling Btu/h 6,100—27,000 Min.—Max.
Page 117: Dimensions
2. Dimensions 2-1. Model: UOMH24AFXZJ Unit: in (mm) Top view 1-9/16 1-1/4 35-7/16 (900) (40) (31) 13 (330) (12) 15-3/4 (400) Front view Side view 25-9/16 (650) Airflow (12) 4-Ø1/2 (Ø12) Bottom view 1-5/8 Drain cap mounting places Drain pipe mounting places (41) - 109 -...
Page 118: Installation Space
3. Installation space 3-1. Model: UOMH24AFXZJ ¢ 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 119: Multiple Outdoor Unit Installation
 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. 60 (1,500) or more 10 (250) 12 (300) or more or more When there are obstacles at the front and rear.
Page 120: Outdoor Unit Installation In Multi-Row
 Outdoor unit installation in multi-row Unit: in (mm) Single parallel unit arrangement Multiple parallel unit arrangement 6 (150) or more 20 (500) or more 79 (2,000) or more 119 (3,000) or more 24 (600) or more 24 (600) or more 60 (1,500) or more 40 (1,000) or more 10 (250) or more...
Page 121: Refrigerant Circuit
4. Refrigerant circuit 4-1. Model: UOMH24AFXZJ - 113 -...
Page 122: Wiring Diagram
5. Wiring diagram 5-1. Model: UOMH24AFXZJ - 114 -...
Page 123: Capacity Table
6. Capacity table 6-1. Combinations ¢ Model: UOMH24AFXZJ  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) Room 1 Room 2 Room 3 Total Room 1 Room 2...
Page 124 ¢ Model: UOMH24AFXZJ  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) Room 1 Room 2 Room 3 Total Room 1 Room 2 Room 3 Room 1 Room 2...
Page 125: Cooling Capacity
6-2. Cooling capacity NOTE: Values mentioned in the table are calculated based on the maximum capacity. ¢ Model: UOMH24AFXZJ • TC: Total Capacity, SHC: Sensible Heat Capacity, IP: Input Power • The data is based on the following conditions: Pipe length: 7.5 m, Height difference: 0 m [Outdoor unit—Indoor unit] ...
Page 126  Indoor units: 9,000 Btu Indoor temperature °FDB °FWB °FDB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 7.54 6.16 0.31 8.52 6.15 0.31 8.99 6.78 0.31 9.62 7.12 0.32 10.29 7.28 0.32 10.60 8.09 0.32 7.23 6.01 0.35 8.17 6.00 0.35 8.61 6.62 0.35...
Page 127  Indoor units: 14,000 Btu Indoor temperature °FDB °FWB °FDB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 13.58 10.38 0.60 15.34 10.37 0.61 16.18 11.44 0.62 17.32 12.00 0.62 18.51 12.28 0.63 19.08 13.65 0.63 13.01 10.13 0.68 14.70 10.12 0.69 15.50 11.16 0.70...
Page 128  Indoor units: 7,000 Btu + 7,000 Btu Indoor temperature °FDB °FWB °FDB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 12.74 10.15 0.51 14.40 10.14 0.52 15.18 11.18 0.53 16.25 11.73 0.53 17.38 12.00 0.54 17.91 13.34 0.54 12.21 9.90 0.58 13.80 9.89 0.59...
Page 129  Indoor units: 7,000 Btu + 12,000 Btu Indoor temperature °FDB °FWB °FDB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 16.27 12.65 0.73 18.39 12.64 0.74 19.38 13.94 0.75 20.75 14.63 0.76 22.18 14.96 0.77 22.87 16.63 0.77 15.59 12.34 0.83 17.62 12.33 0.84...
Page 130  Indoor units: 7,000 Btu + 18,000 Btu Indoor temperature °FDB °FWB °FDB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 19.44 14.44 1.05 21.97 14.42 1.06 23.16 15.91 1.07 24.80 16.70 1.08 26.51 17.08 1.10 27.33 18.98 1.10 18.63 14.09 1.18 21.06 14.07 1.21...
Page 131  Indoor units: 9,000 Btu + 12,000 Btu Indoor temperature °FDB °FWB °FDB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 15.69 12.43 0.71 17.73 12.42 0.72 18.69 13.70 0.72 20.01 14.37 0.73 21.39 14.71 0.74 22.05 16.34 0.74 15.04 12.13 0.80 16.99 12.12 0.81...
Page 132  Indoor units: 9,000 Btu + 18,000 Btu Indoor temperature °FDB °FWB °FDB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 19.67 14.86 1.05 22.23 14.84 1.06 23.43 16.37 1.07 25.09 17.18 1.08 26.82 17.57 1.10 27.65 19.53 1.10 18.85 14.50 1.18 21.30 14.48 1.21...
Page 133  Indoor units: 12,000 Btu + 14,000 Btu Indoor temperature °FDB °FWB °FDB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 20.43 15.69 1.05 23.08 15.67 1.06 24.34 17.28 1.07 26.05 18.13 1.08 27.85 18.55 1.10 28.71 20.62 1.10 19.58 15.30 1.18 22.12 15.28 1.21...
Page 134  Indoor units: 7,000 Btu + 7,000 Btu + 9,000 Btu Indoor temperature °FDB °FWB °FDB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 18.79 15.33 0.79 21.24 15.31 0.81 22.39 16.88 0.81 23.97 17.72 0.84 25.62 18.13 0.83 26.41 20.15 0.84 18.01 14.95 20.35...
Page 135  Indoor units: 7,000 Btu + 9,000 Btu + 9,000 Btu Indoor temperature °FDB °FWB °FDB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 18.83 15.35 0.88 21.28 15.33 0.90 22.43 16.91 0.90 24.02 17.75 0.91 25.68 18.16 0.92 26.47 20.18 0.93 18.05 14.98 1.00...
Page 136: Heating Capacity
6-3. Heating capacity NOTE: Values mentioned in the table are calculated based on the maximum capacity. ¢ Model: UOMH24AFXZJ • TC: Total Capacity, IP: Input Power • The data is based on the following conditions: Pipe length: 7.5 m, Height difference: 0 m [Outdoor unit—Indoor unit] ...
Page 137  Indoor units: 9,000 Btu Indoor temperature °FDB °FDB °FWB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 10.98 1.31 10.63 1.35 10.27 1.39 9.91 1.43 9.70 1.45 12.49 1.41 12.10 1.45 11.69 1.49 11.28 1.54 11.03 1.56 13.18 1.37 12.77 1.41 12.33 1.45 11.90 1.49...
Page 138  Indoor units: 14,000 Btu Indoor temperature °FDB °FDB °FWB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 13.66 1.67 13.23 1.72 12.78 1.76 12.34 1.81 12.07 1.84 15.58 1.78 15.09 1.84 14.58 1.89 14.07 1.94 13.76 1.97 16.55 1.76 16.03 1.81 15.48 1.86 14.94 1.91...
Page 139  Indoor units: 7,000 Btu + 7,000 Btu Indoor temperature °FDB °FDB °FWB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 13.26 1.82 12.84 1.88 12.41 1.93 11.97 1.99 11.71 2.02 15.69 1.94 15.20 1.99 14.68 2.05 14.17 2.11 13.86 2.14 17.23 1.90 16.69 1.95 16.13...
Page 140  Indoor units: 7,000 Btu + 12,000 Btu Indoor temperature °FDB °FDB °FWB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 16.31 2.51 15.79 2.58 15.26 2.66 14.72 2.73 14.40 2.78 18.98 2.67 18.38 2.74 17.76 2.82 17.14 2.90 16.76 2.95 21.00 2.61 20.34 2.69 19.65...
Page 141  Indoor units: 7,000 Btu + 18,000 Btu Indoor temperature °FDB °FDB °FWB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 16.91 2.52 16.37 2.59 15.82 2.67 15.27 2.74 14.93 2.79 19.83 2.63 19.21 2.71 18.56 2.79 17.91 2.86 17.51 2.91 22.39 2.70 21.68 2.77 20.95...
Page 142  Indoor units: 9,000 Btu + 12,000 Btu Indoor temperature °FDB °FDB °FWB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 15.92 2.52 15.41 2.59 14.89 2.67 14.37 2.74 14.05 2.79 18.72 2.54 18.13 2.61 17.52 2.69 16.90 2.76 16.53 2.81 20.73 2.54 20.08 2.61 19.40...
Page 143  Indoor units: 9,000 Btu + 18,000 Btu Indoor temperature °FDB °FDB °FWB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 17.30 2.52 16.75 2.59 16.19 2.67 15.62 2.74 15.28 2.79 20.31 2.63 19.67 2.71 19.01 2.79 18.34 2.86 17.94 2.91 22.96 2.70 22.23 2.78 21.48...
Page 144  Indoor units: 12,000 Btu + 14,000 Btu Indoor temperature °FDB °FDB °FWB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 17.49 2.46 16.94 2.53 16.37 2.60 15.79 2.68 15.44 2.72 20.57 2.57 19.92 2.64 19.25 2.72 18.57 2.79 18.17 2.84 23.32 2.63 22.58 2.70 21.82...
Page 145  Indoor units: 7,000 Btu + 7,000 Btu + 9,000 Btu Indoor temperature °FDB °FDB °FWB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 17.47 2.33 16.92 2.40 16.35 2.47 15.78 2.54 15.43 2.58 20.33 2.45 19.69 2.52 19.02 2.59 18.36 2.67 17.95 2.71 23.03 2.54...
Page 146  Indoor units: 7,000 Btu + 9,000 Btu + 9,000 Btu Indoor temperature °FDB °FDB °FWB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 17.59 2.33 17.03 2.40 16.46 2.47 15.88 2.54 15.53 2.58 20.47 2.45 19.82 2.52 19.15 2.59 18.48 2.67 18.07 2.71 23.19 2.54...
Page 147: 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: UOMH24AFXZJ NOTE: Values mentioned in the table are calculated based on the maximum capacity.
Page 148: Indoor Unit: 9,000 Btu
¢ 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 0.953 0.940 0.999 0.992 0.985 0.971 0.957 0.943 1.007 1.000 0.993 0.979 0.965 0.951 1.007 1.000 0.993...
Page 149: Indoor Unit: 14,000 Btu
¢ Indoor unit: 14,000 Btu Pipe length COOLING 0.969 0.962 0.953 0.982 0.977 0.970 0.961 Indoor unit is higher than outdoor unit *1 0.988 0.986 0.981 0.973 0.965 0.994 0.992 0.990 0.985 0.977 0.968 1.002 1.000 0.998 0.993 0.985 0.976 1.002 1.000 0.998...
Page 150: Additional Charge Calculation
8. Additional charge calculation 8-1. Model: UOMH24AFXZJ Refrigerant type R410A lb oz 4 lb 14 oz Refrigerant amount 2,200 ¢ Refrigerant charge 98 or less 164 (Max.) Total pipe length 0.21 oz/ft 30 or less 50 (Max.) lb oz 7.1 oz 14.1 oz (20 g/m) Additional charge...
Page 151: Airflow
9. Airflow 9-1. Model: UOMH24AFXZJ  Cooling 3,300 1,942  Heating 3,300 1,942 - 143 -...
Page 152: Operation Noise (Sound Pressure)
10. Operation noise (sound pressure) 10-1. Noise level curve ¢ Model: UOMH24AFXZJ  Cooling  Heating NC-65 NC-65 NC-60 NC-60 NC-55 NC-55 NC-50 NC-50 NC-45 NC-45 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 2,000 4,000 8,000 1,000...
Page 153: Electrical Characteristics
11. Electrical characteristics Model name UOMH24AFXZJ Voltage 208/230 ~ Power supply Frequency MCA *1 Starting current MAX. CKT. BKR *3 Wiring spec. *2 Power cable *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 appropri- ate devices complied to the regional standard.
Page 154: Safety Devices
12. Safety devices Model Type of protection Protection form UOMH24AFXZJ 250 V, 5 A Current fuse (Main PCB) 250 V, 3.15 A Circuit protection Current fuse 250 V, 10 A (Near the terminal) 302 ±27 °F Activate (150 ±15 °C) Fan motor stop Fan motor protection Temperature thermistor...
Page 155: Accessories
13. Accessories Part name Exterior Q’ty Part name Exterior Q’ty Installation manual Drain pipe Adapter assembly, Washer 1/2 (12.7)→3/8 (9.52) Drain cap [in (mm)] Adapter - 147 -...
Page 156: Outdoor Unit Installation Precautions
14. Outdoor unit installation precautions NOTE: The information listed below are general precautions. Some models also include items that do not apply. 14-1. 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 157: Part 4. Outdoor Unit (4 Rooms Type)
Part 4. OUTDOOR UNIT (4 ROOMS TYPE) MULTI TYPE: UOMH36AFXZJ...
Page 158: Specifications
1. Specifications 1-1. Model: UOMH36AFXZJ Type Inverter heat pump Model name UOMH36AFXZJ Power source 1Ø 208/230 V 60 Hz Available voltage range 187—264V Number 2 to 4 Connectable indoor unit Total capacity range 27,000 to 39,000 Btu/h Combination of indoor unit UIWH09AVFJ ×...
Page 159: Dimensions
2. Dimensions 2-1. Model: UOMH36AFXZJ Unit: in (mm) Top view 1-9/16 1-1/4 35-7/16 (900) (40) (31) 13 (330) (12) 15-3/4 (400) Side view Front view 25-9/16 (650) Airflow 3/16 (5) Bottom view 1/2 (12) 4-Ø1/2 (Ø12) 1-5/8 (41) - 151 -...
Page 160: Installation Space
3. Installation space 3-1. Model: UOMH36AFXZJ ¢ 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 161  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. 60 (1,500) or more 10 (250) 12 (300) or more or more When there are obstacles at the front and rear.
Page 162  Outdoor unit installation in multi-row Unit: in (mm) Single parallel unit arrangement Multiple parallel unit arrangement 6 (150) or more 20 (500) or more 79 (2,000) or more 119 (3,000) or more 24 (600) or more 24 (600) or more 60 (1,500) or more 40 (1,000) or more 10 (250) or more...
Page 163: Refrigerant Circuit
4. Refrigerant circuit 4-1. Model: UOMH36AFXZJ CONDENSER RECEIVER TANK HEAT EXCHANGER PRESSURE SWITCH STRAINER DISTRIBUTOR EXPANSION EXPANSION EXPANSION EXPANSION VALVE VALVE VALVE VALVE STRAINER STRAINER STRAINER STRAINER CHARGING CHARGING CHARGING CHARGING VALVE VALVE VALVE VALVE HEAT EXCHANGER HEAT EXCHANGER HEAT EXCHANGER HEAT EXCHANGER Indoor unit A Indoor unit B...
Page 164: Wiring Diagram
5. Wiring diagram 5-1. Model: UOMH36AFXZJ - 156 -...
Page 165: Capacity Table
6. Capacity table 6-1. Combinations ¢ Model: UOMH36AFXZJ  Cooling Rated capacity for each indoor unit Maximum capacity for each indoor Total capacity Combination of indoor unit Input power (kW) (kBtu/h) unit (kBtu/h) (kBtu/h) Room 1 Room 2 Room 3 Room 4 Total Room 1 Room 2 Room 3 Room 4 Room 1 Room 2 Room 3 Room 4 Min.
Page 166 ¢ Model: UOMH36AFXZJ  Heating Rated capacity for each indoor unit Maximum capacity for each indoor Total capacity Combination of indoor unit Input power (kW) (kBtu/h) unit (kBtu/h) (kBtu/h) Room 1 Room 2 Room 3 Room 4 Total Room 1 Room 2 Room 3 Room 4 Room 1 Room 2 Room 3 Room 4 Min.
Page 167: Cooling Capacity
6-2. Cooling capacity NOTE: Values mentioned in the table are calculated based on the maximum capacity. ¢ Model: UOMH36AFXZJ • TC: Total Capacity, SHC: Sensible Heat Capacity, IP: Input Power • The data is based on the following conditions: Pipe length: 7.5 m, Height difference: 0 m [Outdoor unit—Indoor unit] ...
Page 168  Indoor units: 9,000 Btu Indoor temperature °FDB °FWB °FDB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 8.79 6.85 0.35 9.94 6.91 0.36 10.47 7.55 0.36 11.21 7.92 0.37 11.99 8.10 0.37 12.36 9.00 0.37 8.56 6.77 0.41 9.67 6.83 0.42 10.19 7.46 0.42...
Page 169  Indoor units: 14,000 Btu Indoor temperature °FDB °FWB °FDB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 13.71 11.30 0.55 15.50 11.40 0.56 16.34 12.45 0.57 17.49 13.06 0.57 18.70 13.36 0.58 19.28 14.85 0.58 13.34 11.17 0.64 15.08 11.26 0.66 15.90 12.30 0.66...
Page 170  Indoor units: 24,000 Btu Indoor temperature °FDB °FWB °FDB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 19.11 12.55 0.81 21.60 12.66 0.82 22.77 13.82 0.83 24.38 14.51 0.84 26.06 14.84 0.85 26.86 16.49 0.85 18.60 12.40 0.94 21.02 12.51 0.96 22.15 13.66 0.97...
Page 171  Indoor units: 7,000 Btu + 7,000 Btu + 18,000 Btu Indoor temperature °FDB °FWB °FDB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 26.40 23.18 1.18 29.83 23.38 1.20 31.45 25.53 1.21 33.67 26.79 1.22 36.00 27.41 1.23 37.11 30.47 1.24 25.69 22.91 1.37...
Page 172  Indoor units: 7,000 Btu + 9,000 Btu + 12,000 Btu Indoor temperature °FDB °FWB °FDB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 23.64 20.75 1.06 26.72 20.93 1.08 28.16 22.86 1.09 30.15 23.99 1.10 32.23 24.55 1.11 33.23 27.28 1.12 23.00 20.51 1.23...
Page 173  Indoor units: 7,000 Btu + 9,000 Btu + 18,000 Btu Indoor temperature °FDB °FWB °FDB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 27.14 23.83 1.21 30.68 24.04 1.23 32.34 26.25 1.24 34.62 27.55 1.26 37.01 28.19 1.27 38.15 31.33 1.28 26.41 23.55 1.41...
Page 174  Indoor units: 7,000 Btu + 12,000 Btu + 14,000 Btu Indoor temperature °FDB °FWB °FDB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 26.85 23.57 1.12 30.34 23.77 1.14 31.98 25.97 1.15 34.24 27.25 1.16 36.61 27.88 1.18 37.74 30.98 1.18 26.12 23.29 1.31...
Page 175  Indoor units: 9,000 Btu + 9,000 Btu + 9,000 Btu Indoor temperature °FDB °FWB °FDB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 22.82 20.03 1.02 25.79 20.21 1.03 27.19 22.07 1.04 29.11 23.16 1.05 31.11 23.70 1.07 32.07 26.34 1.07 22.21 19.80 1.18...
Page 176  Indoor units: 9,000 Btu + 9,000 Btu + 14,000 Btu Indoor temperature °FDB °FWB °FDB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 26.92 23.63 1.12 30.42 23.84 1.14 32.07 26.04 1.15 34.34 27.32 1.17 36.71 27.95 1.18 37.84 31.07 1.19 26.20 23.36 1.31...
Page 177  Indoor units: 9,000 Btu + 12,000 Btu + 12,000 Btu Indoor temperature °FDB °FWB °FDB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 26.92 23.63 1.20 30.42 23.84 1.22 32.07 26.04 1.23 34.34 27.32 1.25 36.71 27.95 1.26 37.84 31.07 1.27 26.20 23.36 1.40...
Page 178  Indoor units: 9,000 Btu + 12,000 Btu + 18,000 Btu Indoor temperature °FDB °FWB °FDB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 27.59 24.22 1.23 31.18 24.43 1.25 32.87 26.69 1.26 35.19 28.00 1.28 37.62 28.65 1.29 38.78 31.84 1.30 26.85 23.94 1.43...
Page 179  Indoor units: 12,000 Btu + 12,000 Btu + 14,000 Btu Indoor temperature °FDB °FWB °FDB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 27.59 24.22 1.15 31.18 24.43 1.17 32.87 26.69 1.18 35.19 28.00 1.19 37.62 28.65 1.21 38.78 31.84 1.22 26.85 23.94 1.34...
Page 180  Indoor units: 7,000 Btu + 7,000 Btu + 7,000 Btu + 9,000 Btu Indoor temperature °FDB °FWB °FDB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 25.50 22.39 1.07 28.82 22.59 1.09 30.38 24.67 1.10 32.53 25.88 1.11 34.77 26.48 1.12 35.85 29.43 1.13...
Page 181  Indoor units: 7,000 Btu + 7,000 Btu + 7,000 Btu + 14,000 Btu Indoor temperature °FDB °FWB °FDB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 28.34 24.88 1.13 32.02 25.09 1.15 33.76 27.41 1.16 36.14 28.76 1.17 38.64 29.43 1.18 39.83 32.70 1.19...
Page 182  Indoor units: 7,000 Btu + 7,000 Btu + 9,000 Btu + 9,000 Btu Indoor temperature °FDB °FWB °FDB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 26.55 23.31 1.11 30.00 23.51 1.13 31.63 25.68 1.14 33.86 26.94 1.15 36.20 27.57 1.16 37.32 30.64 1.17...
Page 183  Indoor units: 7,000 Btu + 7,000 Btu + 9,000 Btu + 14,000 Btu Indoor temperature °FDB °FWB °FDB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 28.34 24.88 1.13 32.02 25.09 1.15 33.76 27.41 1.16 36.14 28.76 1.17 38.64 29.43 1.18 39.83 32.70 1.19...
Page 184  Indoor units: 7,000 Btu + 9,000 Btu + 9,000 Btu + 9,000 Btu Indoor temperature °FDB °FWB °FDB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 27.89 24.48 1.18 31.52 24.70 1.21 33.23 26.97 1.22 35.57 28.31 1.23 38.03 28.96 1.24 39.20 32.19 1.25...
Page 185  Indoor units: 9,000 Btu + 9,000 Btu + 9,000 Btu + 9,000 Btu Indoor temperature °FDB °FWB °FDB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 28.34 24.88 1.20 32.02 25.09 1.23 33.76 27.41 1.24 36.14 28.76 1.25 38.64 29.43 1.26 39.83 32.70 1.27...
Page 186: Heating Capacity
6-3. Heating capacity NOTE: Values mentioned in the table are calculated based on the maximum capacity. ¢ Model: UOMH36AFXZJ • TC: Total Capacity, IP: Input Power • The data is based on the following conditions: Pipe length: 7.5 m, Height difference: 0 m [Outdoor unit—Indoor unit] ...
Page 187  Indoor units: 9,000 Btu Indoor temperature °FDB °FDB °FWB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 8.82 1.35 8.61 1.38 8.40 1.40 8.19 1.43 7.98 1.46 10.74 1.37 10.48 1.40 10.23 1.43 9.97 1.45 9.71 1.48 12.39 1.39 12.10 1.42 11.80 1.45 11.51 1.47...
Page 188  Indoor units: 14,000 Btu Indoor temperature °FDB °FDB °FWB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 14.59 1.92 14.24 1.96 13.90 2.00 13.55 2.04 13.20 2.08 17.76 1.95 17.34 1.99 16.91 2.03 16.49 2.07 16.07 2.11 20.50 1.98 20.01 2.02 19.52 2.06 19.03 2.10...
Page 189  Indoor units: 24,000 Btu Indoor temperature °FDB °FDB °FWB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 19.70 3.20 19.23 3.27 18.76 3.33 18.29 3.40 17.82 3.47 23.97 3.25 23.40 3.31 22.83 3.38 22.26 3.45 21.69 3.52 27.67 3.29 27.01 3.36 26.35 3.43 25.69 3.50...
Page 190  Indoor units: 7,000 Btu + 7,000 Btu + 18,000 Btu Indoor temperature °FDB °FDB °FWB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 24.84 3.58 24.24 3.65 23.65 3.73 23.06 3.80 22.47 3.88 30.23 3.63 29.51 3.71 28.79 3.78 28.07 3.86 27.35 3.93 34.89 3.68...
Page 191  Indoor units: 7,000 Btu + 9,000 Btu + 12,000 Btu Indoor temperature °FDB °FDB °FWB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 22.23 3.21 21.70 3.27 21.17 3.34 20.64 3.41 20.11 3.47 27.06 3.25 26.41 3.32 25.77 3.39 25.13 3.46 24.48 3.52 31.23 3.30...
Page 192  Indoor units: 7,000 Btu + 9,000 Btu + 18,000 Btu Indoor temperature °FDB °FDB °FWB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 25.53 3.68 24.93 3.76 24.32 3.84 23.71 3.91 23.10 3.99 31.08 3.74 30.34 3.81 29.60 3.89 28.86 3.97 28.12 4.05 35.87 3.79...
Page 193  Indoor units: 7,000 Btu + 12,000 Btu + 14,000 Btu Indoor temperature °FDB °FDB °FWB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 25.28 3.50 24.68 3.58 24.08 3.65 23.48 3.72 22.87 3.79 30.77 3.55 30.04 3.63 29.30 3.70 28.57 3.77 27.84 3.85 35.51 3.60...
Page 194  Indoor units: 9,000 Btu + 9,000 Btu + 9,000 Btu Indoor temperature °FDB °FDB °FWB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 21.53 3.10 21.02 3.17 20.51 3.23 20.00 3.30 19.48 3.36 26.21 3.15 25.58 3.21 24.96 3.28 24.34 3.34 23.71 3.41 30.25 3.19...
Page 195  Indoor units: 9,000 Btu + 9,000 Btu + 14,000 Btu Indoor temperature °FDB °FDB °FWB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 25.28 3.50 24.68 3.58 24.08 3.65 23.48 3.72 22.87 3.79 30.77 3.55 30.04 3.63 29.30 3.70 28.57 3.77 27.84 3.85 35.51 3.60...
Page 196  Indoor units: 9,000 Btu + 12,000 Btu + 12,000 Btu Indoor temperature °FDB °FDB °FWB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 25.34 3.65 24.74 3.73 24.14 3.81 23.53 3.88 22.93 3.96 30.85 3.71 30.11 3.78 29.38 3.86 28.64 3.94 27.91 4.02 35.60 3.76...
Page 197  Indoor units: 9,000 Btu + 12,000 Btu + 18,000 Btu Indoor temperature °FDB °FDB °FWB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 26.04 3.76 25.42 3.84 24.80 3.92 24.18 3.99 23.56 4.07 31.70 3.81 30.94 3.89 30.19 3.97 29.43 4.05 28.68 4.13 36.58 3.87...
Page 198  Indoor units: 12,000 Btu + 12,000 Btu + 14,000 Btu Indoor temperature °FDB °FDB °FWB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 26.04 3.61 25.42 3.68 24.80 3.76 24.18 3.83 23.56 3.91 31.70 3.66 30.94 3.74 30.19 3.81 29.43 3.89 28.68 3.96 36.58 3.71...
Page 199  Indoor units: 7,000 Btu + 7,000 Btu + 7,000 Btu + 9,000 Btu Indoor temperature °FDB °FDB °FWB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 23.95 3.25 23.38 3.32 22.81 3.39 22.24 3.46 21.67 3.53 29.15 3.30 28.45 3.37 27.76 3.44 27.06 3.51 26.37...
Page 200  Indoor units: 7,000 Btu + 7,000 Btu + 7,000 Btu + 14,000 Btu Indoor temperature °FDB °FDB °FWB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 26.68 3.52 26.04 3.59 25.41 3.67 24.77 3.74 24.14 3.81 32.47 3.57 31.70 3.65 30.92 3.72 30.15 3.80 29.38...
Page 201  Indoor units: 7,000 Btu + 7,000 Btu + 9,000 Btu + 9,000 Btu Indoor temperature °FDB °FDB °FWB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 25.03 3.41 24.43 3.48 23.84 3.55 23.24 3.62 22.64 3.69 30.46 3.46 29.73 3.53 29.01 3.60 28.28 3.67 27.56...
Page 202  Indoor units: 7,000 Btu + 7,000 Btu + 9,000 Btu + 14,000 Btu Indoor temperature °FDB °FDB °FWB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 26.68 3.52 26.04 3.59 25.41 3.67 24.77 3.74 24.14 3.81 32.47 3.57 31.70 3.65 30.92 3.72 30.15 3.80 29.38...
Page 203  Indoor units: 7,000 Btu + 9,000 Btu + 9,000 Btu + 9,000 Btu Indoor temperature °FDB °FDB °FWB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 26.17 3.60 25.55 3.67 24.92 3.75 24.30 3.82 23.68 3.90 31.85 3.65 31.09 3.73 30.33 3.80 29.58 3.88 28.82...
Page 204  Indoor units: 9,000 Btu + 9,000 Btu + 9,000 Btu + 9,000 Btu Indoor temperature °FDB °FDB °FWB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 26.68 3.66 26.04 3.74 25.41 3.82 24.77 3.89 24.14 3.97 32.47 3.72 31.70 3.79 30.92 3.87 30.15 3.95 29.38...
Page 205: 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: UOMH36AFXZJ NOTE: Values mentioned in the table are calculated based on the maximum capacity.
Page 206 ¢ 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 0.979 0.965 0.951 1.007 1.000 0.993...
Page 207 ¢ 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 0.978 0.960 0.945 1.005 1.000 0.990...
Page 208: Indoor Unit: 24,000 Btu
¢ 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 1.002 0.992 0.976 0.997 1.000 1.002...
Page 209: Additional Charge Calculation
8. Additional charge calculation 8-1. Model: UOMH36AFXZJ Refrigerant type R410A lb oz 7 lb 1 oz Refrigerant amount 3,200 ¢ Refrigerant charge • 3 or 4 indoor units are connected: 164 or less 230 (Max.) Total pipe length 50 or less 70 (Max.) 0.22 oz/ft lb oz...
Page 210: Airflow
9. Airflow 9-1. Model: UOMH36AFXZJ  Cooling 3,600 1,000 2,119  Heating 3,800 1,056 2,237 - 202 -...
Page 211: Operation Noise (Sound Pressure)
10. Operation noise (sound pressure) 10-1. Noise level curve ¢ Model: UOMH36AFXZJ  Cooling  Heating NC-65 NC-65 NC-60 NC-60 NC-55 NC-55 NC-50 NC-50 NC-45 NC-45 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 2,000 4,000 8,000 1,000...
Page 212: Electrical Characteristics
11. Electrical characteristics Model name UOMH36AFXZJ Voltage 208/230 ~ Power supply Frequency MCA *1 24.6 Starting current 17.1 MAX. CKT. BKR *3 Wiring spec. *2 Power cable *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 appropri- ate devices complied to the regional standard.
Page 213: Safety Devices
12. Safety devices Model Type of protection Protection form UOMH36AFXZJ 250 V, 5 A Current fuse (Main PCB) 250 V, 3.15 A Circuit protection Current fuse 250 V, 10 A (Near the terminal) 251 ±16 °F Activate (122 ±9 °C) Fan motor stop Fan motor protection Temperature thermistor...
Page 214: Accessories
13. Accessories Part name Exterior Q’ty Part name Exterior Q’ty Adapter assembly, Washer 1/2 (12.7)→3/8 (9.52) Installation manual [in (mm)] Adapter Adapter assembly, Washer 1/2 (12.7)→5/8 (15.88) Drain cap [in (mm)] Adapter Drain pipe - 206 -...
Page 215: Optional Parts
14. Optional parts Exterior Part name Model name Summary For 2rooms combination system It can exchange liquid pipe size Ø1/4 in (Ø6.35 mm) for Ø3/8 in (Ø9.52 mm), and Ø3/8 in (Ø9.52 mm) for Adapter kit RXK9FZ1818 Ø1/2 in (Ø12.70 mm). If you choose 2-indoor-units system "18,000 Btu + 18,000 Btu", then you need this kit.
Page 216 ¢ How to use the adapter (optional part RXK9FZ1818) Indoor unit B (18,000 Btu) Outdoor unit Indoor unit A (18,000 Btu) Exchange liquid pipe size Ø1/4 in (Ø6.35 mm) for Ø3/8 in (Ø9.52 mm) with an adapter kit. UNIT D These ports are not use.
Page 217: Outdoor Unit Installation Precautions
15. Outdoor 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.

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