Rheem RIDH07AVFJ Design & Technical Manual
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Rheem RIDH07AVFJ Design & Technical Manual

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AIR CONDITIONER
Multi: 2 rooms type
3 rooms type
4 rooms type
DESIGN & TECHNICAL MANUAL
INDOOR
RIWH07AVFJ
RIWH15AVFJ
RIWH09AVFJ
RIWH12AVFJ
RIWH18AVFJ
OUTDOOR
ROMH18AFXZJ
ROMH24AFXZJ
RICH07AVFJ
RIDH07AVFJ
RICH09AVFJ
RIDH09AVFJ
RICH12AVFJ
RIDH12AVFJ
RICH18AVFJ
RIFH09AVFJ
RIFH12AVFJ
RIFH18AVFJ
ROMH36AFXZJ
RIDH18AVFJ
RIDH24AVFJ

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Summary of Contents for Rheem RIDH07AVFJ

  • Page 1 AIR CONDITIONER Multi: 2 rooms type 3 rooms type 4 rooms type DESIGN & TECHNICAL MANUAL INDOOR RICH07AVFJ RIDH07AVFJ RIDH18AVFJ RIDH24AVFJ RICH09AVFJ RIDH09AVFJ RICH12AVFJ RIDH12AVFJ RICH18AVFJ RIWH07AVFJ RIWH15AVFJ RIFH09AVFJ RIWH09AVFJ RIFH12AVFJ RIWH12AVFJ RIFH18AVFJ RIWH18AVFJ OUTDOOR ROMH18AFXZJ ROMH36AFXZJ ROMH24AFXZJ...
  • 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. Product features ..................2 1-1. Model lineup ......................2 1-2. Features ........................5 2. Remote controller ..................17 2-1. Wireless remote controller ..................17 2-2. Wireless remote controller ..................21 2-3. Wired remote controller (RXRNNUM) ..............26 3. Specifications ..................33 3-1.
  • Page 4 CONTENTS (continued) 10. Electrical characteristics ..............123 11. Safety devices ..................124 12. External input and output ..............125 12-1.External input ......................125 12-2.External output ..................... 128 13. Function settings .................135 13-1.Indoor unit (setting by jumper wire) ..............135 13-2.Indoor unit (setting by wireless remote controller) ..........136 13-3.Indoor unit (setting by wired remote controller) ............
  • Page 5 CONTENTS (continued) Part 2. OUTDOOR UNIT (2 ROOMS TYPE)........183 1. Specifications ..................184 1-1. Model: ROMH18AFXZJ ....................184 2. Dimensions ..................185 2-1. Model: ROMH18AFXZJ ..................185 3. Installation space .................186 3-1. Model: ROMH18AFXZJ ..................186 4. Refrigerant circuit ................189 4-1. Model: ROMH18AFXZJ ..................189 5. Wiring diagram ..................190 5-1.
  • Page 6 CONTENTS (continued) Part 3. OUTDOOR UNIT (3 ROOMS TYPE) ......... 213 1. Specifications ..................214 1-1. Model: ROMH24AFXZJ ..................214 2. Dimensions ..................216 2-1. Model: ROMH24AFXZJ ..................216 3. Installation space .................217 3-1. Model: ROMH24AFXZJ ..................217 4. Refrigerant circuit ................220 4-1.
  • Page 7 CONTENTS (continued) Part 4. OUTDOOR UNIT (4 ROOMS TYPE)........257 1. Specifications ..................258 1-1. Model: ROMH36AFXZJ ..................258 2. Dimensions ..................260 2-1. Model: ROMH36AFXZJ ..................260 3. Installation space .................261 3-1. Model: ROMH36AFXZJ ..................261 4. Refrigerant circuit ................264 4-1. Model: ROMH36AFXZJ ..................264 5. Wiring diagram ..................265 5-1.

  • Page 9: Part 1. Indoor Unit

    Part 1. INDOOR UNIT COMPACT CASSETTE TYPE: RICH7/9/12/18AVFJ SLIM DUCT TYPE: RIDH7/9/12/18/24AVFJ WALL MOUNTED TYPE: RIWH7/9/12/15AVFJ RIWH18/24AVFJ FLOOR TYPE: RIFJ9/12/15AVFJ...

  • Page 10: Product Features

    1. Product features Implemented core technology provides easy-to-use product operations that realize a comfortable space. 1-1. Model lineup Indoor unit RICH07AVFJ RIDH07AVFJ RIDH18AVFJ RICH07AVFJ RIDH09AVFJ RICH07AVFJ RIDH12AVFJ RIDH24AVFJ RICH07AVFJ RIWH07AVFJ RIWH18AVFJ RIWH00AVFJ RIWH24AVFJ RIWH12AVFJ RIWH15AVFJ RIFH09AVFJ RIFH12AVFJ RIFH15AVFJ Outdoor unit...
  • Page 11 Indoor units that can be connected to each outdoor unit : Connectable / -: Not connectable Compact cassette Slim duct Outdoor unit RICH7—18AVFJ RIDH7—24AVFJ kBtu class ROMH18AFXZJ 2 rooms ROMH18AFXZJ 3 rooms ROMH18AFXZJ 4 rooms Wall mounted Floor RIWH18, Outdoor unit RIWH7/12AVFJ/15AVFJ RIFH9—15AVFJ 24AVFJ...
  • Page 12 4 rooms ROMH36AFXZJ 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: Features

    1-2. Features Compact cassette type Models: RICH7AVFJ, RICH9AVFJ, RICH12AVFJ, and RICH18AVFJ • 2-stage turbo fan High efficiency design by 2 stage structure Previous turbo fan 2-stage turbo fan Wind In the case of a A evenly spread air distribution across velocity conventional fan, the air the heat exchanger is possible due...
  • Page 14 • Compact design Easy installation by taking off ceiling panel of 23-5/8 in × 23-5/8 in (600 mm × 600 mm) size. 22-7/16 in. (570 mm) 22-7/16 in. (570 mm) • High lift drain pump 27-9/16 in (700 mm) - 6 -...
  • Page 15 Slim duct type Models: RIDH7AVFJ, RIDH9AVFJ, RIDH12AVFJ, RIDH18AVFJ, and RIDH24AVFJ Slim design and wide range of static pressure for flexible installation. • Slim design This model is slim design, it can install at the place where a ceiling is narrow. Drain port Height 7-13/16 in...
  • Page 16 • Flexible installation Ceiling concealed Wall concealed • Filter (Accessory) Filter (RIDH07/09/12/18: 2pcs.) (RIDH24: 3pcs.) - 8 -...
  • Page 17 Wall mounted type Models: RIWH7AVFJ, RIWH9AVFJ, RIWH12AVFJ, and RIWH15AVFJ • High efficient compact design and more comfortable airflow Making the tube thin: Thin: 0.276inch (7mm) ▼ 0.197inch (5mm) Volume reduction of heat exchanger: • Quiet operation Airflow mode can be set in 4 steps and more detailed airflow setting is possible. 21 dB only at cooling operation (22 dB at heating operation).
  • Page 18 Models: RIWH7AVFJ, RIWH9AVFJ, and RIWH12AVFJ • High density heat transfer tube arrangement Making the tube Ø5 Thin: 0.276inch (7mm) ▼ 0.197inch (5mm) Volume reduction of heat exchanger: Even temperature Improved the heat exchanger effectiveness • Filter features – Ion deodorization filter The filter deodorizes by powerfully decomposing absorbed odors using the oxidizing and reducing effects of ions generated by the ultra-fine-particle ceramic.
  • Page 19 • Auto swing louver The Auto swing louver function ensures that the air direction corresponds to the mode select- Step Swing Swing (Cooling) Swing (Heating) • Wired control compatible Wired and wireless remote controller are acceptable. SET TEMP. START/STOP * Optional communication kit is neccesary for the installation.
  • Page 20 - 12 -...
  • Page 21 Models: RIWH18AVFJ and RIWH24AVFJ Simple and elegant appearance design • Compact and slim design 39-5/16 in (998 mm) • “Vertical airflow” provides powerful floor level heating ft (m) 7 (2.1) (24/30) 3 (1) 40 (12) ft (m) 10 (3) 20 (6) 30 (9) Outside air conditions: 35.6 Outsid...
  • Page 22 • Air conditioner filter features Ion deodorization filter Organic coating fin used heat exchanger Apple-catechin filter Air filter – Ion deodorization filter The filter deodorizes by powerfully decomposing absorbed odors using the oxidizing and reducing effects of ions generated by the ultra-fine-particle ceramic. Using different filters at both sides –...
  • Page 23 Floor type Models: RIFH9AVFJ, RIFH12AVFJ, and RIFH15AVFJ • 2-fan and wide airflow Heating Prevents cold Window Cooling Prevents cold air draft from from falling window at operation at operation at stable at stable start start operation operation • Flexible and easy installation Unit: in (mm) Beneath Standard concave...
  • Page 24 • Easy maintenance Removable and washable panel • Flexible piping connection 6 directions of drain and piping Back view Drain hose Piping - 16 -...

  • Page 25: Remote Controller

    2. Remote controller 2-1. Wireless remote controller Features • 4 kinds of timer setup (on/off/program/sleep) are possible. • Can be used jointly with wired remote controllers. • Easy to change custom code (max. 4 custom codes) by button operation. Program timer The program timer operates the on and off timer once within a 24-hour period.
  • Page 26 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. e SWING button Sets the automatic swing operation and selects swing mode (Up/down, Left/right, Up/down/left/right, and Stop swing).
  • Page 27 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 SWING button Sets the automatic swing operation and selects swing mode (Up/down, Left/right, Up/down/left/right, and Stop swing).
  • Page 28 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) Holder Unit: in (mm) 2-3/8 (60.4)

  • Page 29: Wireless Remote Controller

    2-2. Wireless remote controller Features • Temperature setting by 0.5 °C1 °F or by 0.5 °C possible. • 5-mode timer setup (on, off, weekly, program, and sleep) available. NOTE: When performing server room control, only the weekly timer is effective. •...
  • Page 30 Sleep timer The sleep timer function automatically corrects the temperature thermostat setting according to the time setting to prevent excessive cooling and heating while sleeping. Cooling operation/Dry operation Heating operation When the sleep timer is set, the set temperature When the sleep timer is set, the set temperature automatically rises 2 °F (1 °C) every hour.
  • Page 31 Overview SENSOR button Signal Transmitter MODE button FAN button MIN. HEAT button ECONOMY button SWING button TEMP. button OUTDOOR UNIT SET button LOW NOISE button POWERFUL button WEEKLY button TIMER SETTING button START/STOP ON/OFF button button SEND button SLEEP button SELECT button RESET button NEXT button...
  • Page 32 Signal transmitter MODE button FAN button MIN. HEAT button TEMP. ECONOMY button SWING button button SET button POWERFUL button ON TIMER button REG1U OFF TIMER button Start/Stop button REG1U TIMER SELECT button RESET button SLEEP TIMER button °C / °F switching button TIMER CANCEL button CLOCK ADJUST button NOTE: Functions may differ by type of the indoor unit.
  • Page 33 Specifications Controller Unit: in (mm) Top view 2-3/8 11/16 (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) Holder Unit: in (mm) 1-15/16 (48.5)

  • Page 34: Wired Remote Controller (Rxrnnum)

    2-3. Wired remote controller (RXRNNUM) Features • Various timer setup available (on, off, and weekly). • Equipped with weekly timer as standard function. (Start/stop function is twice per day for a week.) • When setting up the timer, operation mode and temperature setup can be changed.
  • Page 35 Easy-to-understand operation [Variable timer control] The operation/display sections are zoned according to time and operation, enabling variable programming to match application. Timer Operation area area Simple installation Components are compatible with standard switch boxes. Flat-back surface allows equipment to be installed wherever it is needed. European switch box JIS box...
  • Page 36 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 , MED , and HIGH e ECONOMY (THERMO SENSOR) button...
  • Page 37 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 38 Installation Connection pattern NOTE: Connection pattern is different according to type of Indoor unit. Indoor unit types Connection pattern Compact cassette type Pattern A Slim duct type RIWH7AVFJ, RIWH9AVFJ, RIWH12AVFJ, and RIWH15AVFJ Pattern B Wall mounted type RIWH18AVFJ and RIWH24AVFJ Pattern C Pattern A Connect the end of remote controller cable directly to the exclusive terminal block.
  • Page 39 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 40 Pattern C 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 41: Specifications

    3. Specifications 3-1. Compact cassette type RICH7AVFJ RICH9AVFJ RICH12AVFJ RICH18AVFJ Model name Power supply 208/230 V ~ 60 Hz Available voltage range 187—264 V Capacity Btu/h class 7,000 9,000 12,000 18,000 Input power Running current 0.15 0.15 0.19 0.30 HIGH 318 (540) 318 (540) 359 (610)

  • Page 42: Slim Duct Type

    3-2. Slim duct type RIDH7AVFJ RIDH9AVFJ RIDH12AVFJ Model name Power supply 208/230 V ~ 60 Hz Available voltage range 187—264 V Capacity Btu/h class 7,000 9,000 12,000 Input power Running current 0.30 0.30 0.35 HIGH 324 (550) 353 (600) 383 (650) 288 (490) 324 (550) 353 (600)
  • Page 43 RIDH18AVFJ RIDH24AVFJ Model name 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 0.44 0.66 HIGH 554 (940) 783 (1,330) 518 (880) 730 (1,240) Cooling 483 (820) 648 (1,100) QUIET 441 (750) 607 (1,030)

  • Page 44: Wall Mounted Type

    3-3. Wall mounted type RIWH7AVFJ RIWH9AVFJ RIWH12AVFJ RIWH15AVFJ Model name 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 330 (560) 353 (600) 388 (660) 430 (730)
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  • Page 47 RIWH18AVFJ RIWH24AVFJ Model name 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 48: Floor Type

    3-4. Floor type RIFH9AVFJ RIFH12AVFJ RIFH15AVFJ Model name Power supply 208/230 V ~ 60 Hz Available voltage range 187—264 V Capacity Btu/h class 9,000 12,000 14,000 Input power Running current 0.15 0.18 0.20 HIGH 312 (530) 353 (600) 383 (650) 259 (440) 288 (490) 306 (520)

  • Page 49: Dimensions

    4. Dimensions 4-1. Compact cassette type Models: RICH7AVFJ, RICH9AVFJ, RICH12AVFJ, and RICH18AVFJ Unit: in. (mm) • Cassette grille mounting state 20-7/8 (530): Hanging bolt position 5-5/16 9-13/16 (250) (135) op view Be sure to leave Maintenance space maintenance space for future service at the designated position.
  • Page 50 Installation space Unit: in (mm) Strong and durable ceiling 11 (262) or more 40 (1,000) 40 (1,000) or more or more 95 (2,400) or more Obstruction Floor Maximum height from floor to ceiling (Unit: mm) RICH7 RICH9 RICH12 RICH18 Model name Standard mode (2,700) High Ceiling mode...

  • Page 51: Slim Duct Type

    4-2. Slim duct type Models: RIDH7AVFJ, RIDH9AVFJ, and RIDH12AVFJ Unit: in (mm) 22-5/8 (574) 2 (51) View A Rear view (Drain hose) Drain port 3-15/16 (100) x 6 = 23-5/8 (600) 1-7/8 (47) 25-9/16 (650) 2-3/16 (55) 3-1/16 (78) 28-7/8 (734) 3-1/2 (89) 1-7/8 (48) 4-11/16 (119)
  • Page 52 Model: RIDH18AVFJ Unit: in (mm) 2 (51) 30-1/2 (774) Rear view View A (Drain hose) Drain port 1-7/8 (47) 3-15/16 (100) x 8 = 31-1/2 (800) 2-3/16 (55) 3-1/16 (78) 33-7/16 (850) 3-1/2 (89) 36-3/4 (934) 3-7/16 (87) 4-11/16 (119) Top view 6-9/16 (167) 2-3/16 (56)
  • Page 53 Model: RIDH24AVFJ Unit: in (mm) 38-3/8 (974) 2 (51) Rear view View A (Drain hose) Drain port 3-15/16 (100) x 10 = 39-3/8 (1,000) 1-7/8 (47) 2-3/16 (55) 3-1/16 (78) 41-5/16 (1,050) 44-5/8 (1,134) 3-1/2 (89) 4-11/16 (119) 3-7/16 (87) Top view 6-9/16 (167) 2-3/16 (56)
  • Page 54 Installation space Unit: in (mm) 12 (300) or more Strong and durable ceiling 1 (20) or more Indoor unit Left Right side side 1 (20) or more 12 (300) 4 (100) Service access Ceiling or more or more Floor Unit: in (mm) 1 (10) 1 (10) or less...
  • Page 55 Maintenance space Provide a service access for inspection purposes as shown below. Do not place any wiring or illumination in the service space, as they will impede service. Unit: in (mm) Service access Unit Control 12 (300) or more Service space - 47 -...

  • Page 56: Wall Mounted Type

    4-3. Wall mounted type Models: RIWH7AVFJ, RIWH9AVFJ, RIWH12AVFJ, and RIWH15AVRFJ Unit: in (mm) 33-1/16 (840) 8 (203) (33-1/16 (840)) 13-7/8 (353) 3-1/16 (78) 1-3/4 (45) 14-5/16 (364) Ø2-9/16 (Ø65) Ø2-9/16 (Ø65) for pipe inlet for pipe inlet 3-7/16 4-9/16 12-3/8 (315) 12-5/8 (321) (88) (116)
  • Page 57 Installation space Unit: in (mm) Outline of unit 1 (25) or more 3 (52) or more 3 (70) 6 (130) or more 60 (1,500) or more or more - 49 -...
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  • Page 62 Models: RIWH18AVFJ and RIWH24AVFJ Unit: in (mm) 39-5/16 (998) 20-1/2 (520) 23-1/4 (590) 9 (228) 1 (25) 28-3/8 (721) 20-1/2 (520) Unit center Outline of unit 1-1/8 (28) 2-5/8 (67) 35-9/16 (903) 13/16 (20) 15-5/8 (397) 17-1/4 (438) Ø 3-1/8 (80) hole 39-5/16 (998): Unit size Ø...
  • Page 63 Installation space 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 - 55 -...

  • Page 64: Floor Type

    4-4. Floor type Models: RIFH9AVFJ, RIFH12AVFJ, and RIFH15AVFJ Unit: in (mm) 7-7/8 (200) 29-1/8 (740) Side view Front view Installation space Unit: in (mm) 4 (100) or more 4 (80) or more 4 (80) or more 2 (50) or more 4 (100) or below from the floor - 56 -...

  • Page 65: Wiring Diagrams

    5. Wiring diagrams 5-1. Compact cassette type Models: RICH7AVFJ, RICH9AVFJ, RICH12AVFJ, and RICH18AVFJ - 57 -...

  • Page 66: Slim Duct Type

    5-2. Slim duct type Models: RIDH7AVFJ, RIDH9AVFJ, RIDH12AVFJ, RIDH18AVFJ, and RIDH24AVFJ - 58 -...

  • Page 67: Wall Mounted Type

    5-3. Wall mounted type Models: RIWH7AVFJ, RIWH9AVFJ, RIWH12AVFJ, and RIWH15AVFJ - 59 -...
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  • Page 70 Models: RIWH18AVFJ and RIWH24AVFJ - 62 -...

  • Page 71: Floor Type

    5-4. Floor type Models: RIFH9AVFJ, RIFH12AVFJ, and RIFH15AVFJ - 63 -...

  • Page 72: Air Velocity And Temperature Distributions

    6. Air velocity and temperature distributions 6-1. Compact cassette type Models: RICH7AVFJ and RICH9AVFJ Air velocity distribution Fan speed Operation mode Measuring conditions HIGH (ft) Unit: ft/s (m/s) 1 (0.25) 2 (0.5) 3 (1.0) 7 (2.0) 3 (1.0) 7 (2.0) 1 (0.25) Top view 2 (0.5)
  • Page 73 Fan speed Operation mode Outlet directions Measuring conditions NOTE: Reference data HIGH HEAT 4-way air outlet • Air velocity distribution (ft) Unit: ft/s (m/s) 7 (2.0) 7 (2.0) 5 (1.5) 5 (1.5) 3 (1.0) 3 (1.0) 2 (0.5) 2 (0.5) Side view Vertical airflow direction louver: Down 1 (0.25)
  • Page 74 Model: RICH12AVFJ Air velocity distribution Fan speed Operation mode Measuring conditions HIGH (ft) Unit: ft/s (m/s) 1 (0.25) 2 (0.5) 3 (1.0) 7 (2.0) 7 (2.0) 3 (1.0) 1 (0.25) Top view 2 (0.5) 2 (0.5) Vertical airflow direction louver: Up 1 (0.25) 7 (2.0) 7 (2.0)
  • Page 75 Fan speed Operation mode Outlet directions Measuring conditions NOTE: Reference data HIGH HEAT 4-way air outlet • Air velocity distribution Unit: ft/s (m/s) (ft) 5 (1.5) 5 (1.5) Side view 3 (1.0) 3 (1.0) Vertical airflow direction louver: Down 2 (0.5) 2 (0.5) 1 (0.25) 1 (0.25)
  • Page 76 Model: RICH18AVFJ Air velocity distribution Fan speed Operation mode Measuring conditions HIGH (ft) Unit: ft/s (m/s) 1 (0.25) 2 (0.5) 3 (1.0) 7 (2.0) 7 (2.0) 1 (0.25) Top view 2 (0.5) 3 (1.0) 2 (0.5) 3 (1.0) Vertical airflow direction louver: Up 1 (0.25) 7 (2.0) 7 (2.0)
  • Page 77 Fan speed Operation mode Outlet directions Measuring conditions NOTE: Reference data HIGH HEAT 4-way air outlet • Air velocity distribution Unit: ft/s (m/s) (ft) 7 (2.0) 7 (2.0) 5 (1.5) 5 (1.5) 3 (1.0) 3 (1.0) Side view Vertical airflow direction louver: Down 2 (0.5) 2 (0.5) 1 (0.25)

  • Page 78: Slim Duct Type

    6-2. Slim duct type Model: RIDH7AVFJ NOTE: This data is measured after installing optional Auto louver grille kit. Fan speed Operation mode Measuring conditions HIGH • Air velocity distribution (ft) Unit: ft/s (m/s) Top view 7 (2) 3 (1) 2 (0.5) Vertical airflow direction louver: Up Horizontal airflow direction louver: Center (ft)
  • Page 79 Fan speed Operation mode Measuring conditions HIGH HEAT • Air velocity distribution (ft) Unit: ft/s (m/s) 7 (2) Side view Vertical airflow direction louver: Down 3 (1) Horizontal airflow direction louver: Center 2 (0.5) (ft) • Air temperature distribution (ft) Unit: °F (°C) 86 (30) 82 (28)
  • Page 80 Model: RIDH9AVFJ NOTE: This data is measured after installing optional Auto louver grille kit. Fan speed Operation mode Measuring conditions HIGH • Air velocity distribution (ft) Unit: ft/s (m/s) Top view 7 (2) 3 (1) Vertical airflow direction louver: Up 2 (0.5) Horizontal airflow direction louver: Center (ft)
  • Page 81 Fan speed Operation mode Measuring conditions HIGH HEAT • Air velocity distribution (ft) Unit: ft/s (m/s) 7 (2) Side view Vertical airflow direction louver: Down Horizontal airflow direction louver: Center 3 (1) 2 (0.5) (ft) • Air temperature distribution (ft) Unit: °F (°C) 86 (30) Side view...
  • Page 82 Model: RIDH12RLF NOTE: This data is measured after installing optional Auto louver grille kit. Fan speed Operation mode Measuring conditions HIGH • Air velocity distribution (ft) Unit: ft/s (m/s) Top view 7 (2) 3 (1) 2 (0.5) Vertical airflow direction louver: Up Horizontal airflow direction louver: Center (ft) (ft)
  • Page 83 Fan speed Operation mode Measuring conditions HIGH HEAT • Air velocity distribution (ft) Unit: ft/s (m/s) 7 (2) Side view Vertical airflow direction louver: Down 3 (1) Horizontal airflow direction louver: Center 2 (0.5) (ft) • Air temperature distribution (ft) Unit: °F (°C) 86 (30) Side view...
  • Page 84 Model: RIDH18AVFJ NOTE: This data is measured after installing optional Auto louver grille kit. Fan speed Operation mode Measuring conditions HIGH • Air velocity distribution (ft) Unit: ft/s (m/s) Top view 7 (2) 3 (1) 2 (0.5) Vertical airflow direction louver: Up Horizontal airflow direction louver: Center (ft) (ft)
  • Page 85 Fan speed Operation mode Measuring conditions HIGH HEAT • Air velocity distribution (ft) Unit: ft/s (m/s) 7 (2) Side view Vertical airflow direction louver: Down Horizontal airflow direction louver: Center 3 (1) 2 (0.5) (ft) • Air temperature distribution (ft) Unit: °F (°C) 86 (30) Side view...
  • Page 86 Model: RIDH24AVFJ NOTE: This data is measured after installing optional Auto louver grille kit. Fan speed Operation mode Measuring conditions HIGH • Air velocity distribution (ft) Unit: ft/s (m/s) Top view 3 (1) 7 (2) 2 (0.5) Vertical airflow direction louver: Up Horizontal airflow direction louver: Center (ft) (ft)
  • Page 87 Fan speed Operation mode Measuring conditions HIGH HEAT • Air velocity distribution (ft) Unit: ft/s (m/s) 7 (2) Side view Vertical airflow direction louver: Down Horizontal airflow direction louver: Center 3 (1) 2 (0.5) (ft) • Air temperature distribution (ft) Unit: °F (°C) 86 (30) Side view...

  • Page 88: Wall Mounted Type

    6-3. Wall mounted type Model: RIWH7AVFJ 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)
  • Page 89 Model: RIWH9AVFJ 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 90 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 91 Model: RIWH15AVFJ Fan speed Operation mode Measuring conditions HIGH Unit: ft/s (m/s) (ft) Top view 7 (2.0) 3 (1.0) 2 (0.5) 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...
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  • Page 97 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 98 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 Horizontal airflow direction louver: Left &...
  • Page 99 (ft) Unit: ft/s (m/s) 7 (2.0) Side view Vertical airflow direction louver: Down Horizontal airflow direction louver: Center 3 (1.0) 2 (0.5) (ft) - 91 -...

  • Page 100: Floor Type

    6-4. Floor type Models: RIFH9AVFJ, RIFH12AVFJ, and RIFH15AVFJ Fan speed Operation mode Fan select Measuring conditions HIGH Upper and lower (ft) Unit: ft/s (m/s) 3(1.0) 2(0.5) Top view Vertical airflow direction louver: Up Horizontal airflow direction louver: Center UPPER LOWER (ft) Unit: ft/s (m/s) (ft)

  • Page 101: Fan Performance

    7. Fan performance 7-1. Slim duct type Model: RIDH7AVFJ 0.44 (110) 0.40 (100) Hi (SP mode 09) 0.36 (90) SP mode 09 upper limit 0.32 (80) 0.28 (70) Quiet (SP mode 09) SP mode 09 0.24 (60) lower limit 0.20 (50) Normal SP 0.16 (40) upper limit...
  • Page 102 Characteristics of air volume and capacity • Cooling Capacitty (600) (700) (400) (500) (800) Airflow (CFM [m 3 /h]) • Heating Capacitty (600) (700) (400) (500) (800) Airflow (CFM [m 3 /h]) - 94 -...
  • Page 103 Model: RIDH9AVFJ 0.44 (110) 0.40 (100) Hi (SP mode 09) 0.36 (90) SP mode 09 upper limit 0.32 (80) 0.28 (70) Quiet (SP mode 09) 0.24 (60) SP mode 09 lower limit 0.20 (50) 0.16 (40) Normal SP upper limit 0.12 (30) Quiet (Normal SP) Hi (Normal SP)
  • Page 104 Characteristics of air volume and capacity • Cooling Capacitty (600) (700) (400) (500) (800) Airflow (CFM [m 3 /h]) • Heating Capacitty (600) (700) (400) (500) (800) Airflow (CFM [m 3 /h]) - 96 -...
  • Page 105 Model: RIDH12AVFJ 0.44 (110) 0.40 (100) SP mode 09 upper limit Hi (SP mode 09) 0.36 (90) 0.32 (80) 0.28 (70) 0.24 (60) Quiet (SP mode 09) SP mode 09 lower limit 0.20 (50) 0.16 (40) Normal SP upper limit 0.12 (30) Quiet (Normal SP) Hi (Normal SP)
  • Page 106 Characteristics of air volume and capacity • Cooling Capacitty (600) (700) (500) (800) (900) Airflow (CFM [m 3 /h]) • Heating Capacitty (600) (700) (500) (800) (900) Airflow (CFM [m 3 /h]) - 98 -...
  • Page 107 Model: RIDH18AVFJ 0.44 (110) SP mode 09 0.40 (100) upper limit 0.36 (90) Hi (SP mode 09) Quiet (SP mode 09) 0.32 (80) 0.28 (70) 0.24 (60) SP mode 09 lower limit Normal SP 0.20 (50) upper limit Quiet (Normal SP) 0.16 (40) 0.12 (30) SP mode 00...
  • Page 108 Characteristics of air volume and capacity • Cooling Capacitty (800) (900) (1,000) (1,100) (700) Airflow (CFM [m 3 /h]) • Heating Capacitty (800) (900) (1,000) (1,100) (700) Airflow (CFM [m 3 /h]) - 100 -...
  • Page 109 Model: RIDH24AVFJ 0.32 (80) 0.28 (70) SP mode 05 upper limit 0.24 (60) Hi (SP mode 05) Quiet (SP mode 05) 0.20 (50) 0.16 (40) Normal SP upper limit 0.12 (30) Quiet (Normal SP) 0.08 (20) SP mode 05 lower limit SP mode 00 Hi (Normal SP) upper limit...
  • Page 110 Characteristics of air volume and capacity • Cooling Capacitty (1,100) (1,000) (1,200) (1,300) (1,400) (1,500) (1,600) (800) (900) Airflow (CFM [m 3 /h]) • Heating Capacitty (1,100) (1,200) (1,300) (1,500) (800) (900) (1,000) (1,400) (1,600) Airflow (CFM [m 3 /h]) - 102 -...

  • Page 111: Airflow

    8. Airflow Conversion factor: • 1 m /h = 0.2778 l/s = 0.5886 CFM • 3.6 m /h = 1 l/s • 1.699 m /h = 1 CFM 8-1. Compact cassette type Airflow Operation Model Fan speed mode High Cooling Quiet RICH7AVFJ High...

  • Page 112: Slim Duct Type

    8-2. Slim duct type Airflow Operation Model Fan speed mode High Cooling Quiet RIDH7AVFJ High Heating Quiet High Cooling Quiet RIDH9AVFJ High Heating Quiet High Cooling Quiet RIDH12AVFJ High Heating Quiet High Cooling Quiet RIDH18AVFJ High Heating Quiet High 1,330 1,240 Cooling 1,100...

  • Page 113: Wall Mounted Type

    8-3. Wall mounted type Airflow Operation Model Fan speed mode High Cooling Quiet RIWH7AVFJ High Heating Quiet High Cooling Quiet RIWH9AVFJ High Heating Quiet High Cooling Quiet RIWH12AVFJ High Heating Quiet High Cooling Quiet RIWH15AVFJ High Heating Quiet High Cooling Quiet RIWH18AVFJ High...
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  • Page 115: Floor Type

    8-4. Floor type Airflow Operation Model Fan speed mode High Cooling Quiet RIFH9AVFJ High Heating Quiet High Cooling Quiet RIFH12AVFJ High Heating Quiet High Cooling Quiet RIFH15AVFJ High Heating Quiet - 107 -...

  • Page 116: Noise Level Curve

    9. Noise level curve 9-1. Compact cassette type Model: RICH7AVFJ 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 NC-20 NC-20 NC-15 NC-15 1,000 2,000 4,000 8,000 1,000 2,000 4,000...
  • Page 117 Model: RICH12AVFJ Cooling Heating NC-65 NC-65 NC-60 NC-60 NC-55 NC-55 NC-50 NC-50 H igh NC-45 NC-45 H igh NC-40 NC-40 NC-35 NC-35 NC-30 NC-30 Quiet NC-25 NC-25 Quiet NC-20 NC-20 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 Model: RICH18AVFJ...

  • Page 118: Slim Duct Type

    9-2. Slim duct type Model: RIDH7AVFJ 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 High High 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 2,000 4,000 8,000 Octave band center frequency, Hz Octave band center frequency, Hz Model: RIDH9AVFJ...
  • Page 119 Model: RIDH12AVFJ 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 H igh NC-30 H igh NC-30 NC-25 NC-25 Quiet Quiet NC-20 NC-20 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 Model: RIDH18AVFJ...
  • Page 120 Model: RIDH24AVFJ 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 H igh H igh 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 Octave band center frequency, Hz Octave band center frequency, Hz - 112 -...

  • Page 121: Wall Mounted Type

    9-3. Wall mounted type Model: RIWH7AVFJ 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 Quiet 1,000 2,000 4,000 8,000 1,000 2,000 4,000 8,000 Octave band center frequency, Hz...
  • Page 122 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 Model: RIWH15AVFJ Heating...
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  • Page 126 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 Octave band center frequency, Hz Octave band center frequency, Hz Model: RIWH24AVFJ...

  • Page 127: Floor Type

    9-4. Floor type Model: RIFH9AVFJ Cooling Heating NC-65 NC-65 NC-60 NC-60 NC-55 NC-55 NC-50 NC-50 H igh NC-45 NC-45 H igh 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...
  • Page 128 Model: RIFH15AVFJ Cooling Heating NC-65 NC-65 NC-60 NC-60 NC-55 NC-55 NC-50 NC-50 H igh NC-45 NC-45 H igh 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 - 120 -...

  • Page 129: Sound Level Check Point

    9-5. Sound level check point Compact cassette type Microphone Microphone - 121 -...
  • Page 130 Slim duct type 79 in (2 m) 40 in (1 m) Measuring duct Measuring duct Set the static pressure as rating in this area Microphone Microphone Side view Front view Wall mounted type Microphone Microphone 40 in (1 m) Floor type Microphone Microphone Airflow...

  • Page 131: Electrical Characteristics

    10. Electrical characteristics Power supply Indoor rated Voltage Input power Type Model name RICH7AVFJ 0.19 / 0.19 17 / 18 0.15 / 0.15 RICH9AVFJ 0.19 / 0.19 17 / 18 0.15 / 0.15 Compact cassette RICH12AVFJ 0.24 / 0.24 22 / 23 0.19 / 0.19 RICH18AVFJ 0.41 / 0.38...

  • Page 132: Safety Devices

    11. Safety devices Indoor unit Fan motor thermal Terminal thermal Float Model name PCB* fuse type protector fuse switch Activate: 212 ± 27 °F RICH7AVFJ (100 ± 15 °C) RICH9AVFJ Compact Fan motor stop 250 V, 3.15 A RICH12AVFJ cassette Reset: 203 ±...

  • Page 133: External Input And Output

    12. External input and output External input External output Indoor unit Operation Fresh air Auxiliary Error status type Control input status output control output heater output output Compact cassette Slim duct (RIWH7/9/12/ 15AVFJ Wall mounted Floor 12-1. External input With using external input function, some functions on this product can be controlled from an external device.
  • Page 134 Circuit diagram example • Contact capacity: DC 24 V or more, 10 mA or more. Indoor unit Connected unit control PCB • *1: PCB of Communication kit is used for wall mounted (RIWH7AVFJ, RIWH9AVFJ, RIWH12AVFJ, Connector Example: Switch and RIWH15AVFJ) type. •...
  • Page 135 Optional part Indoor unit type Parts name Model name RXXWZX Compact cassette RIWH7AVFJ, RIWH9AVFJ, RIWH12AVFJ, RIWH15AVFJ RXXWZXZ5 External connect Wall mounted RIWH18AVFJ, RIWH24AVFJ RXXXWZX RIFH9AVFJ, RIFH12AVFJ, RIFH15AVFJ RXXWZXZ5 Floor RXXWZX RXXWZXZ5 Indoor unit type Parts name Model name Compact cassette —...

  • Page 136: 12-2.External Output

    12-2. External output Use an external output cable with appropriate external dimension, depending on the number of ca- bles to be installed. Operation status output Indoor unit type Connector Compact cassette CN103 Slim duct CN103 RIWH7AVFJ, RIWH9AVFJ, RIWH12AVFJ, RIWH15AVFJ CNB01 Wall mounted RIWH18AVFJ, RIWH24AVFJ CN16...
  • Page 137 Optional part Indoor unit type Parts name Model name RXXWZX Compact cassette RIWH7AVFJ, RIWH9AVFJ, RIWH12AVFJ, RIWH15AVFJ RXXWZXZ5 External connect Wall mounted RXXWZX RIWH18AVFJ, RIWH24AVFJ RIFH9AVFJ, RIFH12AVFJ, RIFH15AVFJ RXXWZXZ5 Floor Indoor unit type Parts name Model name Compact cassette — — Slim duct —...
  • Page 138 Fresh air control output Indoor unit type Connector Compact cassette Slim duct Wall mounted — Floor Signal linked to air conditioner indoor fan on can be output. * However, signal becomes off during cold air prevention control operation. Circuit diagram example Indoor unit Connected unit control PCB...
  • Page 139 Auxiliary heater output Indoor unit type Connector Compact cassette — Slim duct CN10 Wall mounted — Floor Signal is output from connector when indoor fan and compressor turn on under heating operation. *Signal output performance specifications are as shown as follows: Example: When Set Temperature (Ts) is 72 °F(22 °C) •...
  • Page 140 Circuit diagram example Indoor unit Connected unit control PCB Example: Example: Heater 12 V Connector Relay unit Relay power On/Off supply 33 ft (10 m)* Signal Locally purchased • Relay spec.: Rated DC 12 V, 50 mA to less. • *: Make the distance from the PCB to the connected unit within 33 ft (10 m). Operation Heating operation...
  • Page 141 Error status output Indoor unit type Connector Compact cassette — Slim duct — RIWH7AVFJ, RIWH9AVFJ, RIWH12AVFJ, RIWH15AVFJ CNB02 Wall mounted — RIWH18AVFJ, RIWH24AVFJ — RIFH9AVFJ, RIFH12AVFJ, RIFH15AVFJ Floor CN21 An air conditioner error status signal can be output. Circuit diagram example Indoor unit Connected unit control PCB *1...
  • Page 142 Optional part Indoor unit type Parts name Model name Compact cassette — — Slim duct — — RIWH7AVFJ, RIWH9AVFJ, External connect RIWH12AVFJ, RIWH15AVFJ RXXWZXZ5 Wall mounted — — RIWH18AVFJ, RIWH24AVFJ — — External connect RXXWZXZ5 RIWH9AVFJ, RIWH12AVFJ, RIWH15AVFJ Floor Indoor unit type Parts name Model name Compact cassette...

  • Page 143: Function Settings

    13. 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. 13-1. Indoor unit (setting by jumper wire) NOTE: This setting is necessary only for slim duct type. Component location Jumper wire setting Drainage function setting (JM1)

  • Page 144: 13-2.Indoor Unit (Setting By Wireless Remote Controller)

    13-2. Indoor unit (setting by wireless remote controller) • The function settings of the control of the indoor unit can be changed by this procedure according to the installation conditions. Incorrect settings can cause the indoor unit malfunc- tion. • After the power is turned on, perform the “Function setting” according to the installation condi- tions using the remote controller.
  • Page 145 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 Transmits function setting...
  • Page 146 For confirming the custom code, press the TIMER MODE button to send the code to the indoor unit. Pi Pi Press the MODE button to enter the function setting mode. Select the function number by pressing the or the button. Each time the MODE button is pressed, it switches between the left digit and the right digit.
  • Page 147 Select the setting number by pressing the or the button. Each time the MODE button is pressed, it switches between the left digit and the right digit. Change digit Send the function mode information by pressing the TIMER MODE button once. Pi Pi Send the function setting information by pressing the START/STOP button once.
  • Page 148 Exit the function setting mode by pressing the RESET button. RESET To set custom code , , or , perform same procedures for each code. Setting up each indoor unit Repeat step from 1. to 11. to set up each indoor unit. If the custom code is other than " ", steps from 1.
  • Page 149 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 display.
  • Page 150 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 returns to the original clock display. In this case, start again from step 1. •...
  • Page 151 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) SET TEMP.
  • Page 152 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 153 Press the MODE button once to transmit the function mode information. 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.
  • Page 154 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 155 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 display.
  • Page 156 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 returns to the original clock display. In this case, start again from step 1. •...

  • Page 157: 13-3.Indoor Unit (Setting By Wired Remote Controller)

    13-3. Indoor unit (setting by wired remote controller) • The function settings of the control of the indoor unit can be changed by this procedure according to the installation conditions. Incorrect settings can cause the indoor unit malfunc- tion. • After the power is turned on, perform the “FUNCTION SETTING” according to the installation conditions using the remote controller.
  • Page 158 RXRNNUM Button name and function During address setting mode, indoor unit reject the any operation command from remote controller. Function number Refer to Function details Remote controller address Setting number Refer to Function details SET TEMP. “V” and “ Λ ”...
  • Page 159 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 160: 13-4.Indoor Unit (Setting By Simple Remote Controller)

    13-4. Indoor unit (setting by simple remote controller) • The function settings of the control of the indoor unit can be changed by this procedure according to the installation conditions. Incorrect settings can cause the indoor unit malfunc- tion. • After the power is turned on, perform the “FUNCTION SETTING” according to the installation conditions using the remote controller.
  • Page 161 RXRSNUM Button name and function During address setting mode, indoor unit reject the any operation command from remote controller. 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 162 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 163 Setting up each indoor unit Repeat the procedures from step 1 to 6, and set up the indoor units requiring function setting. Resetting the power after setting up function of all indoor units NOTES: • If the reset is not performed, function can not be read correctly. •...

  • Page 164: 13-5.Function Details

    13-5. 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 Compact Slim Functions...
  • Page 165 2) Ceiling height Select the appropriate ceiling height according to the place of installation. Function number Setting value Setting description Factory setting Standard High ceiling For the specific height for each setting value, refer to “Installation space” in Chapter 4. "Dimensions"...
  • Page 166 5) Static pressure Select the appropriate static pressure according to the installation conditions. Function number Setting value Setting description Factory setting 0 in.WG (0 Pa) 0.04 in.WG (10 Pa) 0.08 in.WG (20 Pa) 0.12 in.WG (30 Pa) 0.16 in.WG (40 Pa) 0.20 in.WG (50 Pa) 0.24 in.WG (60 Pa) 0.28 in.WG (70 Pa)
  • Page 167 [For RIWH7AVFJ, RIWH9AVFJ, and RIWH12AVFJ] Room temperature sensor control for cooling 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. Function number Setting value Setting description Factory setting Standard...
  • Page 168 10) External input control "Operation/Stop" mode or "Forced stop" mode can be selected. Function number Setting value Setting description Factory setting Operation/Stop mode (Setting prohibited) Forced stop mode 11) Room temperature sensor switching (Aux.) To use the temperature sensor on the wired remote controller only, change the setting to "Wired remote controller"...
  • Page 169 13) 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 170: 13-6.Wired Remote Controller

    13-6. 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 position Wired remote controller Front case (back side) DIP switch 2 DIP switch 1 (All slide switches fixed at OFF...
  • Page 171 Dip switch 1 setting SW2: Dual remote controller setting Set the remote controller SW2 according to the following table. Primary unit Secondary unit Number of remote controller Factory setting 1 (Normal) — 2 (Dual) Indoor unit Remote controller cable 1 2 3 1 2 3 1 2 3 Secondary...

  • Page 172: 13-7.Simple Remote Controller

    13-7. Simple remote controller Prohibited Dual remote controller setting °F / °C switch DIP switch 1 Prohibited Prohibited Prohibited Switch position Simple remote controller 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 173: Accessories

    14. Accessories 14-1. Compact cassette type Models: RICH7AVFJ, RICH9AVFJ, RICH12AVFJ, and RICH18AVFJ Part name Exterior Q’ty Part name Exterior Q’ty Operating manual Drain hose Installation manual Hose band Coupler heat insulation Drain hose insulation (Large) Coupler heat insulation Remote controller (Small) Special nut A Remote controller...
  • Page 174 Cassette grille accessories Part name Exterior Q’ty Part name Exterior Q’ty Connector cover Hook wire Tapping screw Screw (pitch small) (M5 × 12 mm) (M4 × 10 mm) Tapping screw Screw (pitch large) (M4 × 12 mm) (M4 × 10 mm) L angle - 166 -...

  • Page 175: 14-2.Slim Duct Type

    14-2. Slim duct type Models: RIDH7AVFJ, RIDH9AVFJ, RIDH12AVFJ, RIDH18AVFJ, and RIDH24AVFJ Part name Exterior Q’ty Part name Exterior Q’ty Operating manual Cable tie (large) Installation manual Cable tie (small) Installation template Drain hose Washer Hose band Coupler heat insulation Drain hose insulation (large) Coupler heat insulation Remote controller...

  • Page 176: 14-3.Wall Mounted Type

    14-3. Wall mounted type Models: RIWH7AVFJ, RIWH9AVFJ, RIWH12AVFJ, and RIWH15AVFJ 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), Remote controller Air cleaning filter Battery Filter holder Seal A...
  • Page 177 - 169 -...
  • Page 178 - 170 -...
  • Page 179 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 180: 14-4.Floor Type

    14-4. Floor type Models: RIFH9AVFJ, RIFH12AVFJ, and RIFH15AVFJ Part name Exterior Q’ty Part name Exterior Q’ty Operating manual Cable tie 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 181: Optional Parts

    15. Optional parts 15-1. Controller Lineup Type Wired Simple remote Wireless remote controller receiver remote Indoor unit type controller unit controller NNUM SNUM Compact cassette — — — — Slim duct — — — — RIWH7AVFJ RIWH9AVFJ — — — —...
  • Page 182 Parts Wired remote controller Simple remote controller IR receiver unit RXRNNUM RXRSNUM Wireless remote controller REG1U - 174 -...

  • Page 183: 15-2.Cassette Grille

    15-2. Cassette grille Lineup : Accessory, : Optional, —: Not applicable Indoor units Type Model Compact cassette RXCCGF Cassette grille Part Cassette grille RXCCGF - 175 -...

  • Page 184: 15-3.Others

    15-3. Others Lineup Type Insulation Air outlet Fresh air External kit for intake kit shutter control External connect kit high Indoor unit type plate humidity UTD- ECS5A XWZX WZXZ5 RIWH7AVFJ RIWH9AVFJ — — — — — RIWH12AVFJ RIWH15AVFJ Wall mounted RIWH18AVFJ —...
  • Page 185 Parts External connect kit External connect kit Model: RXXWZX Model: RXXWZXZ5 ( x 1 ) ( x 1 ) ( x 1 ) ( x 2 ) For wall mounted type (RIWH7AVFJ, RIWH9AVFJ, For compact cassette type and wall RIWH12AVFJ, and RIWH15AVFJ) and floor type mounted type (RIWH18AVFJ) - 177 -...
  • Page 186 Communication kit Communication kit Model: RXCBXZ2 Model: RXTWBXF1 For wall mounted type (RIWH7RLF1, RIWH9AVFJ, RIWH12AVFJ, and RIWH15AVFJ) - 178 -...

  • Page 187: Installation Precautions

    16. Installation precautions 16-1. Indoor unit installation precautions NOTE: The information listed below are general precautions. Some models also include items that do not apply. Place where prohibited for use • Places where there is a danger of combustible gas leakage. •...
  • Page 188 Condition Contents Countermeasures (Reference) When inside When the indoor unit is installed where the inside of 1. Add heat insulating material to the ceiling is the ceiling is 30°C (86°F) RH80% or greater, the dew the outside of the indoor unit high point temperature of the outer perimeter may cabinet.
  • Page 189 Condition Contents Countermeasures (Reference) When using When using an external duct to take in new fresh air, Always perform heat insulation an external etc., condensation may form on the surface of the processing. duct. duct due to the effect of the outside air temperature (Heat insulating material: Glass and the humidity inside the ceiling.
  • Page 190 - 182 -...

  • Page 191: Part 2. Outdoor Unit (2 Rooms Type)

    Part 2. OUTDOOR UNIT (2 ROOMS TYPE) MULTI TYPE: ROMH18AFXZJ...

  • Page 192: Specifications

    1. Specifications 1-1. Model: ROMH18AFXZJ Type Inverter heat pump ROMH18AFXZJ Model name 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 Non-duct RIWH9AVFJ × 2 Duct Combination of indoor unit RIDH9AVFJ ×...

  • Page 193: Dimensions

    2. Dimensions 2-1. Model: ROMH18AFXZJ Unit: in (mm) Top view 1-9/16 1-1/4 35-7/16 (900) (40) (31) (12) 13 (330) 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) - 185 -...

  • Page 194: Installation Space

    3. Installation space 3-1. Model: ROMH18AFXZJ 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. 4 (100) 4 (100) or more 12 (300)
  • Page 195 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 196 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 197: Refrigerant Circuit

    4. Refrigerant circuit 4-1. Model: ROMH18AFXZJ - 189 -...

  • Page 198: Wiring Diagram

    5. Wiring diagram 5-1. Model: ROMH18AFXZJ - 190 -...

  • Page 199: Capacity Table

    6. Capacity table 6-1. Combinations Model: ROMH18AFXZJ Cooling 1) Non-ducted Rated capacity for each Maximum capacity for Total capacity Combination of indoor unit Input power (kW) indoor unit (kBtu/h) each indoor unit (kBtu/h) (kBtu/h) Room 1 Room 2 Total Room 1 Room 2 Room 1 Room 2...
  • Page 200 Model: ROMH18AFXZJ Heating 1) Non-ducted Rated capacity for each Maximum capacity for each Total capacity Combination of indoor unit Input power (kW) indoor unit (kBtu/h) indoor unit (kBtu/h) (kBtu/h) Room 1 Room 2 Total Room 1 Room 2 Room 1 Room 2 Min.

  • Page 201: Cooling Capacity

    6-2. Cooling capacity NOTE: Values mentioned in the table are calculated based on the maximum capacity. Model: ROMH18AFXZJ 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] Indoor units: 7,000 Btu Indoor temperature °FDB...
  • Page 202 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 9.22...
  • Page 203 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 14.55...
  • Page 204 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 17.26...
  • Page 205 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 17.48...

  • Page 206: Heating Capacity

    6-3. Heating capacity NOTE: Values mentioned in the table are calculated based on the maximum capacity. Model: ROMH18AFXZJ 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] Indoor units: 7,000 Btu Indoor temperature °FDB...
  • Page 207 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 11.64...
  • Page 208 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 2.01...
  • Page 209 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 2.08...
  • Page 210 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 2.09...

  • Page 211: 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: ROMH18AFXZJ NOTE: Values mentioned in the table are calculated based on the maximum capacity.
  • Page 212 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 0.979...

  • Page 213: Additional Charge Calculation

    8. Additional charge calculation 8-1. Model: ROMH18AFXZJ Refrigerant type R410A lb oz 4 lb 14 oz Refrigerant amount 2,200 Refrigerant charge 98 or less 164 (Max.) Total pipe length 30 or less 50 (Max.) 0.21 oz/ft (20 g/m) lb oz 7.1 oz 14.1 oz Additional charge...

  • Page 214: Airflow

    9. Airflow 9-1. Model: ROMH18AFXZJ Cooling 3,050 1,795 Heating 2,750 1,619 - 206 -...

  • Page 215: Operation Noise (Sound Pressure)

    10. Operation noise (sound pressure) 10-1. Noise level curve Model: ROMH18AFXZJ 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 2,000 4,000 8,000...

  • Page 216: 10-2.Sound Level Check Point

    10-2. Sound level check point Rear Microphone Microphone Airflow 39-3/8 in (1 m) Side view Rear view NOTE: Detailed shape of the actual outdoor unit might be slightly different from the one illustrated above. - 208 -...

  • Page 217: Electrical Characteristics

    11. Electrical characteristics ROMH18AFXZJ Model name 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 appropriate devices complied to the regional standard.

  • Page 218: Safety Devices

    12. Safety devices Model Type of protection Protection form ROMH18AFXZJ Current fuse 250 V, 5 A (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 219: Accessories

    13. Accessories Part name Exterior Q’ty Part name Exterior Q’ty Installation manual - 211 -...

  • Page 220: Installation Precautions

    14. Installation precautions 14-1. Outdoor unit installation precautions NOTE: The information listed below are general precautions. Some models also include items that do not apply. Place where use prohibited use • Places where there is a danger of combustible gas leakage. •...

  • Page 221: Part 3. Outdoor Unit (3 Rooms Type)

    Part 3. OUTDOOR UNIT (3 ROOMS TYPE) MULTI TYPE: ROMH24AFXZJ...

  • Page 222: Specifications

    1. Specifications 1-1. Model: ROMH24AFXZJ Type Inverter heat pump ROMH24AFXZJ Model name Power source 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 Non-duct Duct Combination of indoor unit RIWH9AVFJ + RIWH7AVFJ RIDH12AVFJ ×...
  • Page 223 Type Inverter heat pump ROMH24AFXZJ Model name Cooling 14 to 115 (-10 to 46) Operation range °F (°C) Heating 5 to 75 (-15 to 24) NOTES: • Specifications are based on the following conditions: – Power source of specifications : 230 V –...

  • Page 224: Dimensions

    2. Dimensions 2-1. Model: ROMH24AFXZJ Unit: in (mm) Top view 1-9/16 1-1/4 35-7/16 (900) 13 (330) (40) (31) (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) - 216 -...

  • Page 225: Installation Space

    3. Installation space 3-1. Model: ROMH24AFXZJ 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. 4 (100) 4 (100) or more 12 (300)
  • Page 226 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 227 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 228: Refrigerant Circuit

    4. Refrigerant circuit 4-1. Model: ROMH24AFXZJ - 220 -...

  • Page 229: Wiring Diagram

    5. Wiring diagram 5-1. Model: ROMH24AFXZJ - 221 -...

  • Page 230: Capacity Table

    6. Capacity table 6-1. Combinations Model: ROMH24AFXZJ Cooling 1) Non-ducted Rated capacity for each indoor Maximum capacity for each Total capacity Combination of indoor unit Input power (kW) unit (kBtu/h) indoor unit (kBtu/h) (kBtu/h) Room 1 Room 2 Room 3 Total Room 1 Room 2...
  • Page 231 Model: ROMH24AFXZJ Heating 1) Non-ducted Rated capacity for each indoor Maximum capacity for each Total capacity Combination of indoor unit Input power (kW) unit (kBtu/h) indoor unit (kBtu/h) (kBtu/h) Room 1 Room 2 Room 3 Total Room 1 Room 2 Room 3 Room 1 Room 2...

  • Page 232: Cooling Capacity

    6-2. Cooling capacity NOTE: Values mentioned in the table are calculated based on the maximum capacity. Model: ROMH24AFXZJ 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] Indoor units: 7,000 Btu Indoor temperature °FDB...
  • Page 233 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 9.22...
  • Page 234 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 16.60...
  • Page 235 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 14.55...
  • Page 236 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 18.58...
  • Page 237 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 22.20...
  • Page 238 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 17.91...
  • Page 239 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 22.46...
  • Page 240 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 23.32...
  • Page 241 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 14.93...
  • Page 242 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 20.39...

  • Page 243: Heating Capacity

    6-3. Heating capacity NOTE: Values mentioned in the table are calculated based on the maximum capacity. Model: ROMH24AFXZJ 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] Indoor units: 7,000 Btu Indoor temperature °FDB...
  • Page 244 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 11.64...
  • Page 245 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 14.61...
  • Page 246 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 2.01...
  • Page 247 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 2.76...
  • Page 248 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 2.85...
  • Page 249 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 2.69...
  • Page 250 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 2.86...
  • Page 251 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 2.78...
  • Page 252 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 22.30...
  • Page 253 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 22.45...

  • Page 254: 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: ROMH24AFXZJ NOTE: Values mentioned in the table are calculated based on the maximum capacity.
  • Page 255 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 0.979...
  • Page 256 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 0.993...

  • Page 257: Additional Charge Calculation

    8. Additional charge calculation 8-1. Model: ROMH24AFXZJ Refrigerant type R410A lb oz 4 lb 14 oz Refrigerant amount 2,200 Refrigerant charge 98 or less 164 (Max.) Total pipe length 30 or less 50 (Max.) 0.21 oz/ft (20 g/m) lb oz 7.1 oz 14.1 oz Additional charge...

  • Page 258: Airflow

    9. Airflow 9-1. Model: ROMH24AFXZJ Cooling 3,300 1,942 Heating 3,300 1,942 - 250 -...

  • Page 259: Operation Noise (Sound Pressure)

    10. Operation noise (sound pressure) 10-1. Noise level curve Model: ROMH24AFXZJ 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 2,000 4,000 8,000...

  • Page 260: 10-2.Sound Level Check Point

    10-2. Sound level check point Rear Microphone Microphone Airflow 39-3/8 in (1 m) Side view Rear view NOTE: Detailed shape of the actual outdoor unit might be slightly different from the one illustrated above. - 252 -...

  • Page 261: Electrical Characteristics

    11. Electrical characteristics ROMH24AFXZJ Model name 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 appropriate devices complied to the regional standard.

  • Page 262: Safety Devices

    12. Safety devices Model Type of protection Protection form ROMH24AFXZJ Current fuse 250 V, 5 A (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 263: Accessories

    13. Accessories Part name Exterior Q’ty Part name Exterior Q’ty Installation manual - 255 -...

  • Page 264: Installation Precautions

    14. Installation precautions 14-1. Outdoor unit installation precautions NOTE: The information listed below are general precautions. Some models also include items that do not apply. Place where use prohibited use • Places where there is a danger of combustible gas leakage. •...

  • Page 265: Part 4. Outdoor Unit (4 Rooms Type)

    Part 4. OUTDOOR UNIT (4 ROOMS TYPE) MULTI TYPE: ROMH36AFXZJ...

  • Page 266: Specifications

    1. Specifications 1-1. Model: ROMH36AFXZJ Type Inverter heat pump ROMH36AFXZJ Model name 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 Non-duct Duct Combination of indoor unit RIWH9AVFJ ×...
  • Page 267 Type Inverter heat pump ROMH36AFXZJ Model name Cooling 14 to 115 (-10 to 46) Operation range °F (°C) Heating 5 to 75 (-15 to 24) NOTES: • Specifications are based on the following conditions: – Power source of specifications : 230 V –...

  • Page 268: Dimensions

    2. Dimensions 2-1. Model: ROMH36AFXZJ 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) - 260 -...

  • Page 269: Installation Space

    3. Installation space 3-1. Model: ROMH36AFXZJ 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. 4 (100) 4 (100) or more 12 (300)
  • Page 270 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 271 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 272: Refrigerant Circuit

    4. Refrigerant circuit 4-1. Model: ROMH36AFXZJ 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 273: Wiring Diagram

    5. Wiring diagram 5-1. Model: ROMH36AFXZJ - 265 -...

  • Page 274: Capacity Table

    6. Capacity table 6-1. Combinations Model: ROMH36AFXZJ Cooling 1) Non-ducted 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 Room Room Room Room Room Room Room Room...
  • Page 275 2) Ducted 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 Room Room Room Room Room Room Room Room Room Room Room Total Min. Rated Max.
  • Page 276 Model: ROMH36AFXZJ Heating 1) Non-ducted 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 Room Room Room Room Room Room Room Room Room Room Room Total Min.
  • Page 277 2) Ducted 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 Room Room Room Room Room Room Room Room Room Room Room Total Min. Rated Max.

  • Page 278: Cooling Capacity

    6-2. Cooling capacity NOTE: Values mentioned in the table are calculated based on the maximum capacity. Model: ROMH36AFXZJ 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] Indoor units: 7,000 Btu Indoor temperature °FDB...
  • Page 279 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 10.91...
  • Page 280 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 17.02...
  • Page 281 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 23.72...
  • Page 282 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 29.03...
  • Page 283 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 26.00...
  • Page 284 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 29.85...
  • Page 285 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 29.52...
  • Page 286 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 25.09...
  • Page 287 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 29.60...
  • Page 288 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 29.60...
  • Page 289 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 30.34...
  • Page 290 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 30.34...
  • Page 291 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 24.82...
  • Page 292 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 27.57...
  • Page 293 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 25.83...
  • Page 294 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 27.57...
  • Page 295 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 27.14...
  • Page 296 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 27.57...

  • Page 297: Heating Capacity

    6-3. Heating capacity NOTE: Values mentioned in the table are calculated based on the maximum capacity. Model: ROMH36AFXZJ 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] Indoor units: 7,000 Btu Indoor temperature °FDB...
  • Page 298 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 11.21...
  • Page 299 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 18.54...
  • Page 300 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 25.03...
  • Page 301 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 34.06...
  • Page 302 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 30.49...
  • Page 303 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 35.02...
  • Page 304 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 34.67...
  • Page 305 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 29.53...
  • Page 306 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 34.67...
  • Page 307 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 34.76...
  • Page 308 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 35.71...
  • Page 309 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 35.71...
  • Page 310 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 3.58...
  • Page 311 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 3.87...
  • Page 312 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 3.74...
  • Page 313 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 3.87...
  • Page 314 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 3.95...
  • Page 315 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 4.03...

  • Page 316: 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: ROMH36AFXZJ NOTE: Values mentioned in the table are calculated based on the maximum capacity.
  • Page 317 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 0.979...
  • Page 318 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 0.978...
  • Page 319 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 1.002...

  • Page 320: Additional Charge Calculation

    8. Additional charge calculation 8-1. Model: ROMH36AFXZJ 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 (20 g/m)

  • Page 321: Airflow

    9. Airflow 9-1. Model: ROMH36AFXZJ Cooling 3,600 1,000 2,119 Heating 3,800 1,056 2,237 - 313 -...

  • Page 322: Operation Noise (Sound Pressure)

    10. Operation noise (sound pressure) 10-1. Noise level curve Model: ROMH36AFXZJ 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 2,000 4,000 8,000...

  • Page 323: 10-2.Sound Level Check Point

    10-2. Sound level check point Rear Microphone Microphone Airflow 39-3/8 in (1 m) Side view Rear view NOTE: Detailed shape of the actual outdoor unit might be slightly different from the one illustrated above. - 315 -...

  • Page 324: Electrical Characteristics

    11. Electrical characteristics ROMH36AFXZJ Model name 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 appropriate devices complied to the regional standard.

  • Page 325: Safety Devices

    12. Safety devices Model Type of protection Protection form ROMH36AFXZJ Current fuse 250 V, 5 A (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 326: Optional Parts

    13. 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 RXK9FZ1818 mm), and Ø3/8 in (Ø9.52 mm) for Adapter kit Ø1/2 in (Ø12.70 mm). If you choice 2 indoor units system "18,000 Btu + 18,000 Btu", then you need this kit.
  • Page 327 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. These ports are not use. Exchange liquid pipe size Ø1/4 in (Ø6.35 mm) for Ø3/8 in (Ø9.52 mm) with an adapter kit.

  • Page 328: Installation Precautions

    14. Installation precautions 14-1. Outdoor unit installation precautions NOTE: The information listed below are general precautions. Some models also include items that do not apply. Place where use prohibited use • Places where there is a danger of combustible gas leakage. •...

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