Fujitsu AUU7RLF Design & Technical Manual
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Fujitsu AUU7RLF Design & Technical Manual

Air conditioner multi: 2 rooms type 3 rooms type
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AIR CONDITIONER

Multi: 2 rooms type
3 rooms type
DESIGN & TECHNICAL MANUAL
INDOOR
OUTDOOR
AUU7RLF
AUU9RLF
AUU12RLF
AUU18RLF
ASU7RLF1
ASU9RLF1
ASU12RLF1
ASU15RLF1
AOU18RLXFZH
AOU24RLXFZH
For Extra Cold Climate Area
ARU7RLF
ARU18RLF
ARU9RLF
ARU12RLF
ASU18RLF
AGU9RLF
AGU12RLF
AGU15RLF
DR_MU009EF_03
2016.09.23
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Summary of Contents for Fujitsu AUU7RLF

  • Page 1: Air Conditioner

    AIR CONDITIONER Multi: 2 rooms type 3 rooms type DESIGN & TECHNICAL MANUAL For Extra Cold Climate Area AUU7RLF ARU7RLF ARU18RLF AUU9RLF ARU9RLF AUU12RLF ARU12RLF AUU18RLF INDOOR ASU7RLF1 ASU18RLF AGU9RLF ASU9RLF1 AGU12RLF ASU12RLF1 AGU15RLF ASU15RLF1 OUTDOOR AOU18RLXFZH AOU24RLXFZH DR_MU009EF_03 2016.09.23...
  • 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. Copyright © 2016 Fujitsu General Limited. All rights reserved.

  • Page 3: Table Of Contents

    CONTENTS Part 1. INDOOR UNIT ................1 1. Product features ..................2 1-1. Model lineup ......................2 1-2. Features ........................4 1-3. Outdoor unit ......................13 2. Remote controller ..................14 2-1. Wireless remote controller (UTY-LNHUM) ..............14 2-2. Wireless remote controller (AR-REG1U) ..............17 2-3. Wired remote controller (UTY-RNNUM) ..............20 3.
  • Page 4 CONTENTS (continued) 9-5. Sound level check point ..................90 10. Electrical characteristics ..............92 11. Safety devices ..................93 12. External input and output ..............94 12-1.External input ......................94 12-2.External output ....................... 97 13. Function settings .................104 13-1.Indoor unit (setting by jumper wire) ..............104 13-2.Indoor unit (setting by wireless remote controller) ..........
  • Page 5 CONTENTS (continued) Part 2. OUTDOOR UNIT (2 ROOMS TYPE)........147 1. Specifications ..................148 1-1. Model: AOU18RLXFZH ..................148 2. Dimensions ..................149 2-1. Model: AOU18RLXFZH ..................149 3. Installation space .................150 3-1. Model: AOU18RLXFZH ..................150 4. Refrigerant circuit ................153 4-1. Model: AOU18RLXFZH ..................153 5. Wiring diagram ..................154 5-1.
  • Page 6 CONTENTS (continued) Part 3. OUTDOOR UNIT (3 ROOMS TYPE) ......... 177 1. Specifications ..................178 1-1. Model: AOU24RLXFZH ..................178 2. Dimensions ..................179 2-1. Model: AOU24RLXFZH ..................179 3. Installation space .................180 3-1. Model: AOU24RLXFZH ..................180 4. Refrigerant circuit ................183 4-1.

  • Page 7: Part 1. Indoor Unit

    Part 1. INDOOR UNIT COMPACT CASSETTE TYPE: AUU7/9/12/18RLF SLIM DUCT TYPE: ARU7/9/12/18RLF WALL MOUNTED TYPE: ASU7/9/12/15RLF1 ASU18RLF FLOOR TYPE: AGU9/12/15RLF...

  • Page 8: 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 AUU7RLF ARU7RLF ARU18RLF AUU9RLF ARU9RLF AUU12RLF ARU12RLF AUU18RLF ASU7RLF1 ASU18RLF AGU9RLF ASU9RLF1 AGU12RLF ASU12RLF1 AGU15RLF ASU15RLF1 Outdoor unit AOU18RLXFZH AOU24RLXFZH ...
  • Page 9  Indoor unit connection patterns  2 rooms AOU18RLXFZH Room 1 Room 2 Total 7: 7,000Btu/h, 9: 9,000Btu/h, 12: 12,000Btu/h  3 rooms AOU24RLXFZH Room 1 Room 2 Room 3 Total — — — — — — — — — —...

  • Page 10: Features

    1-2. Features  Compact cassette type  Models: AUU7RLF, AUU9RLF, AUU12RLF, and AUU18RLF • 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...
  • Page 11 • 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) - 5 -...
  • Page 12  Slim duct type  Models: ARU7RLF, ARU9RLF, ARU12RLF, and ARU18RLF 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 13 • Flexible installation Ceiling concealed Wall concealed • Filter (Accessory) Filter (ARU07/09/12/18: 2pcs.) (ARU24: 3pcs.) - 7 -...
  • Page 14  Wall mounted type  Models: ASU7RLF1, ASU9RLF1, ASU12RLF1, and ASU15RLF1 • 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 15  Model: ASU18RLF 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) 10 (3) 20 (6) 30 (9) 40 (12) ft (m) Outside air conditions: 35.6 Outsid F (2...
  • Page 16 • 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 17  Floor type  Models: AGU9RLF, AGU12RLF, and AGU15RLF • 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 18 • Easy maintenance Removable and washable panel • Flexible piping connection 6 directions of drain and piping Back view Drain hose Piping - 12 -...

  • Page 19: Outdoor Unit

    1-3. Outdoor unit  Workable down to -15 °F (-26 °C) outdoor temperature Outdoor unit has a built-in heater to keep it from freezing during the freezing cold mid-winter sea- son. The air conditioner uses highly cold resistant components that were designed to prevent freez- ing and meet CSA standards to provide comfortable heating even when temperature fall to -15 °F (-26 °C).

  • Page 20: Remote Controller

    2. Remote controller 2-1. Wireless remote controller (UTY-LNHUM)  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. ...
  • Page 21  Overview  UTY-LNHUM 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...
  • Page 22  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) ...

  • Page 23: Wireless Remote Controller (Ar-Reg1U)

    2-2. Wireless remote controller (AR-REG1U)  Features  AR-REG1U • 4-mode timer setup (on, off, program, and sleep) available. • Easy operation. • Easy to change custom code (max. 4 custom code). • Can be used jointly with wired remote controllers. REG1U ...
  • Page 24  Overview  AR-REG1U 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...
  • Page 25  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 26: Wired Remote Controller (Uty-Rnnum)

    2-3. Wired remote controller (UTY-RNNUM)  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 27: System Diagram

     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.
  • Page 28  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...
  • Page 29  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 30  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 ASU7RLF1, ASU9RLF1, ASU12RLF1, Pattern B and ASU15RLF1 Wall mounted type ASU18RLF Pattern C Floor type ...
  • Page 31  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 32: Wiring Specifications

     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 33: Specifications

    3. Specifications 3-1. Compact cassette type Model name AUU7RLF AUU9RLF AUU12RLF AUU18RLF 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...

  • Page 34: Slim Duct Type

    3-2. Slim duct type Model name ARU7RLF ARU9RLF ARU12RLF 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 35 Model name ARU18RLF Power supply 208/230 V ~ 60 Hz Available voltage range 187—264 V Capacity Btu/h class 18,000 Input power Running current 0.44 HIGH 554 (940) 518 (880) Cooling 483 (820) QUIET 442 (750) Airflow rate CFM (m HIGH 554 (940) 518 (880) Heating...

  • Page 36: Wall Mounted Type

    3-3. Wall mounted type Model name ASU7RLF1 ASU9RLF1 ASU12RLF1 ASU15RLF1 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)
  • Page 37 Model name ASU18RLF Power supply 208/230 V ~ 60 Hz Available voltage range 187—264 V Capacity Btu/h class 18,000 Input power Running current 0.32 HIGH 542 (920) 436 (740) Cooling 365 (620) QUIET 324 (550) Airflow rate CFM (m HIGH 542 (920) 436 (740) Heating...

  • Page 38: Floor Type

    3-4. Floor type Model name AGU9RLF AGU12RLF AGU15RLF 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 39: Dimensions

    4. Dimensions 4-1. Compact cassette type  Models: AUU7RLF, AUU9RLF, AUU12RLF, and AUU18RLF 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...
  • Page 40  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) Model name AUU7 AUU9 AUU12 AUU18 Standard mode...

  • Page 41: Slim Duct Type

    4-2. Slim duct type  Models: ARU7RLF, ARU9RLF, and ARU12RLF Unit: in (mm) 2 (51) 22-5/8 (574) 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)
  • Page 42  Model: ARU18RLF 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 43  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)
  • Page 44  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 - 38 -...

  • Page 45: Wall Mounted Type

    4-3. Wall mounted type  Models: ASU7RLF1, ASU9RLF1, ASU12RLF1, and ASU15RLF1 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)
  • Page 46  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 - 40 -...
  • Page 47  Models: ASU18RLF 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 Ø...
  • Page 48  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 - 42 -...

  • Page 49: Floor Type

    4-4. Floor type  Models: AGU9RLF, AGU12RLF, and AGU15RLF 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...

  • Page 50: Wiring Diagrams

    5. Wiring diagrams 5-1. Compact cassette type  Models: AUU7RLF, AUU9RLF, AUU12RLF, and AUU18RLF - 44 -...

  • Page 51: Slim Duct Type

    5-2. Slim duct type  Models: ARU7RLF, ARU9RLF, ARU12RLF, and ARU18RLF - 45 -...

  • Page 52: Wall Mounted Type

    5-3. Wall mounted type  Models: ASU7RLF1, ASU9RLF1, ASU12RLF1, and ASU15RLF1 - 46 -...
  • Page 53  Model: ASU18RLF - 47 -...

  • Page 54: Floor Type

    5-4. Floor type  Models: AGU9RLF, AGU12RLF, and AGU15RLF - 48 -...

  • Page 55: Air Velocity And Temperature Distributions

    6. Air velocity and temperature distributions 6-1. Compact cassette type  Models: AUU7RLF and AUU9RLF • 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)

  • Page 56: Air Velocity Distribution

    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) Side view 2 (0.5) 2 (0.5) Vertical airflow direction louver: Down 1 (0.25)
  • Page 57  Model: AUU12RLF • 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 58 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 59  Model: AUU18RLF • 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)
  • Page 60 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 61: Slim Duct Type

    6-2. Slim duct type  Model: ARU7RLF 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...
  • Page 62 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 63  Model: ARU9RLF 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 Vertical airflow direction louver: Up 3 (1) 7 (2) 2 (0.5) Horizontal airflow direction louver: Center (ft)
  • Page 64 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 65  Model: ARU12RLF 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 Vertical airflow direction louver: Up 7 (2) 3 (1) 2 (0.5) Horizontal airflow direction louver: Center (ft)
  • Page 66 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 67  Model: ARU18RLF 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) Vertical airflow direction louver: Up 3 (1) 2 (0.5) Horizontal airflow direction louver: Center (ft)
  • Page 68 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 69: Wall Mounted Type

    6-3. Wall mounted type  Model: ASU7RLF1 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)
  • Page 70  Model: ASU9RLF1 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 71  Model: ASU12RLF1 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 72  Model: ASU15RLF1 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...
  • Page 73  Model: ASU18RLF 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 74: Floor Type

    6-4. Floor type  Models: AGU9RLF, AGU12RLF, and AGU15RLF 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)

  • Page 75: Fan Performance

    7. Fan performance 7-1. Slim duct type  Model: ARU7RLF 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) 0.16 (40) Normal SP...
  • Page 76  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]) - 70 -...
  • Page 77  Model: ARU9RLF 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 78  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]) - 72 -...
  • Page 79  Model: ARU12RLF 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 80  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]) - 74 -...
  • Page 81  Model: ARU18RLF 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 82  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]) - 76 -...

  • Page 83: Airflow

    • 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 AUU7RLF High Heating Quiet High Cooling Quiet AUU9RLF High Heating Quiet High Cooling...

  • Page 84: Slim Duct Type

    8-2. Slim duct type Airflow Operation Model Fan speed mode High Cooling Quiet ARU7RLF High Heating Quiet High Cooling Quiet ARU9RLF High Heating Quiet High Cooling Quiet ARU12RLF High Heating Quiet High Cooling Quiet ARU18RLF High Heating Quiet - 78 -...

  • Page 85: Wall Mounted Type

    8-3. Wall mounted type Airflow Operation Model Fan speed mode High Cooling Quiet ASU7RLF1 High Heating Quiet High Cooling Quiet ASU9RLF1 High Heating Quiet High Cooling Quiet ASU12RLF1 High Heating Quiet High Cooling Quiet ASU15RLF1 High Heating Quiet High Cooling Quiet ASU18RLF High...

  • Page 86: Floor Type

    8-4. Floor type Airflow Operation Model Fan speed mode High Cooling Quiet AGU9RLF High Heating Quiet High Cooling Quiet AGU12RLF High Heating Quiet High Cooling Quiet AGU15RLF High Heating Quiet - 80 -...

  • Page 87: Noise Level Curve

    9. Noise level curve 9-1. Compact cassette type  Model: AUU7RLF  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...
  • Page 88  Model: AUU12RLF  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 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...

  • Page 89: Slim Duct Type

    9-2. Slim duct type  Model: ARU7RLF  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...
  • Page 90  Model: ARU12RLF  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...

  • Page 91: Wall Mounted Type

    9-3. Wall mounted type  Model: ASU7RLF1  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...
  • Page 92  Model: ASU12RLF1  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 93  Model: ASU18RLF  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 94: Floor Type

    9-4. Floor type  Model: AGU9RLF  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...
  • Page 95  Model: AGU15RLF  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 96: Sound Level Check Point

    9-5. Sound level check point  Compact cassette type Microphone Microphone - 90 -...
  • Page 97  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) ...

  • Page 98: Electrical Characteristics

    10. Electrical characteristics Power supply Indoor rated Voltage Input power Type Model name AUU7RLF 0.19 / 0.19 17 / 18 0.15 / 0.15 AUU9RLF 0.19 / 0.19 17 / 18 0.15 / 0.15 Compact cassette AUU12RLF 0.24 / 0.24 22 / 23 0.19 / 0.19...

  • Page 99: Safety Devices

    Fan motor thermal Terminal thermal Float Model name PCB* fuse type protector fuse switch Activate: 212 ± 27 °F AUU7RLF (100 ± 15 °C) Compact AUU9RLF Fan motor stop 250 V, 3.15 A ― ○ cassette AUU12RLF Reset: 203 ± 18 °F AUU18RLF (95 ±...

  • Page 100: 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 ● ● ● ● ―...
  • Page 101  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 (ASU7RLF1, ASU9RLF1, and ASU12RLF1) type. Connector Example: Switch •...
  • Page 102  Optional part Indoor unit type Parts name Model name Compact cassette UTY-XWZX Slim duct UTD-ECS5A ASU7RLF1, ASU9RLF1, ASU12RLF1, External connect UTY-XWZXZ5 ASU15RLF1 Wall mounted ASU18RLF UTY-XWZX Floor AGU9RLF, AGU12RLF, AGU15RLF UTY-XWZXZ5 UTY-XWZX UTD-ECS5A UTY-XWZXZ5 Indoor unit type Parts name Model name Compact cassette —...

  • Page 103: 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 ASU7RLF1, ASU9RLF1, ASU12RLF1, ASU15RLF1 CNB01 Wall mounted ASU18RLF...
  • Page 104  Optional part Indoor unit type Parts name Model name Compact cassette UTY-XWZX Slim duct UTD-ECS5A ASU7RLF1, ASU9RLF1, ASU12RLF1, External connect UTY-XWZXZ5 ASU15RLF1 Wall mounted ASU18RLF UTY-XWZX Floor AGU9RLF, AGU12RLF, AGU15RLF UTY-XWZXZ5 Indoor unit type Parts name Model name Compact cassette —...
  • Page 105  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 106  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 107  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. •...
  • Page 108  Error status output Indoor unit type Connector Compact cassette — Slim duct — ASU7RLF1, ASU9RLF1, ASU12RLF1, ASU15RLF1 CNB02 Wall mounted ASU18RLF — Floor AGU9RLF, AGU12RLF, AGU15RLF CN21 An air conditioner error status signal can be output.  Circuit diagram example Indoor unit Connected unit control PCB *1...
  • Page 109  Optional part Indoor unit type Parts name Model name Compact cassette — — Slim duct — — ASU7RLF1, ASU9RLF1, ASU12RLF1, External connect UTY-XWZXZ5 ASU15RLF1 Wall mounted ASU18RLF — — AGU9RLF, AGU12RLF, AGU15RLF External connect Floor UTY-XWZXZ5 Indoor unit type Parts name Model name Compact cassette...

  • Page 110: 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. ...

  • Page 111: 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 112  UTY-LNHUM  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 113 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 114 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 115 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 116  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 117 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 118  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 119 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 120 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 121  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 122  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 123 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 124: 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 125  UTY-RNNUM  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 126 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 127: 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 128  UTY-RSNUM  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 129 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 130  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 131: 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 132 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 133 6) 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 134 9) 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 ♦ 10) External input control "Operation/Stop" mode or "Forced stop" mode can be selected. Function number Setting value Setting description...
  • Page 135 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 136: 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 137  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...

  • Page 138: 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 139: Accessories

    14. Accessories 14-1. Compact cassette type  Models: AUU7RLF, AUU9RLF, AUU12RLF, and AUU18RLF 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...
  • Page 140  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 - 134 -...

  • Page 141: 14-2.Slim Duct Type

    14-2. Slim duct type  Models: ARU7RLF, ARU9RLF, ARU12RLF, and ARU18RLF 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 142: 14-3.Wall Mounted Type

    14-3. Wall mounted type  Models: ASU7RLF1, ASU9RLF1, ASU12RLF1, and ASU15RLF1 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...
  • Page 143  Models: ASU18RLF 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 - 137 -...

  • Page 144: 14-4.Floor Type

    14-4. Floor type  Models: AGU9RLF, AGU12RLF, and AGU15RLF 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 ×...

  • Page 145: Optional Parts

    15. Optional parts 15-1. Controller  Lineup Type Wired Simple Wireless remote IR receiver remote remote Indoor unit type controller unit controller controller UTY- UTY- UTY-RNNUM AR-REG1U UTY-RSNUM LNHUM LRHUM Compact cassette ● ◌ — — ◌ Slim duct ● —...

  • Page 146: 15-2.Cassette Grille

    15-2. Cassette grille  Lineup ●: Accessory, ◌: Optional, —: Not applicable Indoor units Type Model Compact cassette Cassette grille UTG-CCGF ◌  Part Cassette grille UTG-CCGF - 140 -...

  • Page 147: 15-3.Others

    15-3. Others  Lineup Type Air outlet Insulation Fresh air External shutter kit for high External connect kit Indoor unit type intake kit control set plate humidity UTZ- UTD- UTY- UTY- UTR-YDZB UTZ-VXAA KXGC ECS5A XWZX XWZXZ5 Compact cassette ◌ ◌...
  • Page 148  Parts Air outlet shutter plate Insulation kit for high humidity Model: UTR-YDZB Model: UTZ-KXGC Insulation For compact cassette type For compact cassette type Fresh air intake kit External control set Model: UTZ-VXAA Model: UTD-ECS5A (×1) (×2) (×1) (×2) For compact cassette type For slim duct type External connect kit External connect kit...

  • Page 149: 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 150 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 151 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 152 - 146 -...

  • Page 153: Part 2. Outdoor Unit (2 Rooms Type)

    Part 2. OUTDOOR UNIT (2 ROOMS TYPE) MULTI TYPE: AOU18RLXFZH...

  • Page 154: Specifications

    1. Specifications 1-1. Model: AOU18RLXFZH Type Inverter heat pump Model name AOU18RLXFZH 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 Duct Combination of indoor unit ASU9RLF1 ×...

  • Page 155: Dimensions

    2. Dimensions 2-1. Model: AOU18RLXFZH Top view 1-9/16 1-1/4 35-7/16 (900) 13 (330) (40) (31) (12) 15-3/4 (400) Side view Front view 25-9/16 (650) 3/16 (5) 4-Ø1/2 (Ø12) 1/2 (12) Bottom view 1-5/8 (41) - 149 -...

  • Page 156: Installation Space

    3. Installation space 3-1. Model: AOU18RLXFZH  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 157  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 158  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 159: Refrigerant Circuit

    4. Refrigerant circuit 4-1. Model: AOU18RLXFZH - 153 -...

  • Page 160: Wiring Diagram

    5. Wiring diagram 5-1. Model: AOU18RLXFZH - 154 -...

  • Page 161: Capacity Table

    6. Capacity table 6-1. Combinations  Model: AOU18RLXFZH  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...
  • Page 162  Model: AOU18RLXFZH  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 163: Cooling Capacity

    6-2. Cooling capacity NOTE: Values mentioned in the table are calculated based on the maximum capacity.  Model: AOU18RLXFZH • 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 164  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 165  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 0.59 14.40 10.14 0.60 15.18 11.18 0.60 16.25 11.73 0.61 17.38 12.00 0.62 17.91 13.34 0.62 12.21 9.90 0.66 13.80 9.89 0.67...
  • Page 166  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 0.73 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 167  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 0.76 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 168: Heating Capacity

    6-3. Heating capacity NOTE: Values mentioned in the table are calculated based on the maximum capacity.  Model: AOU18RLXFZH • 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 169  Indoor units: 9,000 Btu Indoor temperature °FDB °FDB °FWB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 8.18 1.38 7.99 1.41 7.79 1.44 7.60 1.47 7.40 1.50 11.84 1.87 11.56 1.90 11.27 1.94 10.99 1.98 10.71 2.02 15.03 2.22 14.67 2.27 14.31 2.32 13.96 2.36...
  • Page 170  Indoor units: 7,000 Btu + 7,000 Btu Indoor temperature °FDB °FDB °FWB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 10.74 1.98 10.49 2.03 10.23 2.07 9.98 2.11 9.72 2.15 15.54 2.68 15.17 2.73 14.80 2.79 14.43 2.85 14.06 2.90 19.73 3.19 19.26 3.26 18.79...
  • Page 171  Indoor units: 7,000 Btu + 12,000 Btu Indoor temperature °FDB °FDB °FWB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 12.66 2.12 12.36 2.16 12.06 2.20 11.76 2.25 11.46 2.29 18.32 2.86 17.88 2.92 17.45 2.97 17.01 3.03 16.58 3.09 23.26 3.40 22.71 3.48 22.15...
  • Page 172  Indoor units: 9,000 Btu + 12,000 Btu Indoor temperature °FDB °FDB °FWB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 12.66 2.12 12.36 2.16 12.06 2.20 11.76 2.25 11.46 2.29 18.32 2.86 17.88 2.92 17.45 2.97 17.01 3.03 16.58 3.09 23.26 3.40 22.71 3.48 22.15...

  • Page 173: 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: AOU18RLXFZH NOTE: Values mentioned in the table are calculated based on the maximum capacity.
  • Page 174  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 175: Additional Charge Calculation

    8. Additional charge calculation 8-1. Model: AOU18RLXFZH Refrigerant type R410A lb oz 4 lb 3 oz Refrigerant amount 1,900  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 176: Airflow

    9. Airflow 9-1. Model: AOU18RLXFZH  Cooling 2,800 1,647  Heating 2,800 1,647 - 170 -...

  • Page 177: Operation Noise (Sound Pressure)

    10. Operation noise (sound pressure) 10-1. Noise level curve  Model: AOU18RLXFZH  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 178: 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. - 172 -...

  • Page 179: Electrical Characteristics

    11. Electrical characteristics Model name AOU18RLXFZH Voltage 208/230 ~ Power supply Frequency MCA *1 19.7 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 180: Safety Devices

    12. Safety devices Model Type of protection Protection form AOU18RLXFZH 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 181: Accessories

    13. Accessories Part name Exterior Q’ty Part name Exterior Q’ty Installation manual - 175 -...

  • Page 182: 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 183: Part 3. Outdoor Unit (3 Rooms Type)

    Part 3. OUTDOOR UNIT (3 ROOMS TYPE) MULTI TYPE: AOU24RLXFZH...

  • Page 184: Specifications

    1. Specifications 1-1. Model: AOU24RLXFZH Type Inverter heat pump Model name AOU24RLXFZH 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 ASU7RLF1 ×...

  • Page 185: Dimensions

    2. Dimensions 2-1. Model: AOU24RLXFZH Unit: in (mm) Top view 1-9/16 1-1/4 35-7/16 (900) 13 (330) (40) (31) (12) 15-3/4 (400) Side view Front view 25-9/16 (650) 3/16 (5) 4-Ø1/2 (Ø12) 1/2 (12) Bottom view 1-5/8 (41) - 179 -...

  • Page 186: Installation Space

    3. Installation space 3-1. Model: AOU24RLXFZH  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 187  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 188  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 189: Refrigerant Circuit

    4. Refrigerant circuit 4-1. Model: AOU24RLXFZH - 183 -...

  • Page 190: Wiring Diagram

    5. Wiring diagram 5-1. Model: AOU24RLXFZH - 184 -...

  • Page 191: Capacity Table

    6. Capacity table 6-1. Combinations  Model: AOU24RLXFZH  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...
  • Page 192  Model: AOU24RLXFZH  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...

  • Page 193: Cooling Capacity

    6-2. Cooling capacity NOTE: Values mentioned in the table are calculated based on the maximum capacity.  Model: AOU24RLXFZH • 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 194  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 195  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 196  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 197  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 198  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 199  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 200  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 201  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 202  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 0.90...
  • Page 203  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 204: Heating Capacity

    6-3. Heating capacity NOTE: Values mentioned in the table are calculated based on the maximum capacity.  Model: AOU24RLXFZH • 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 205  Indoor units: 9,000 Btu Indoor temperature °FDB °FDB °FWB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 7.78 1.12 7.59 1.14 7.41 1.17 7.22 1.19 7.04 1.21 11.00 1.37 10.74 1.40 10.48 1.43 10.22 1.46 9.96 1.49 14.23 1.62 13.89 1.66 13.55 1.69 13.21 1.73...
  • Page 206  Indoor units: 14,000 Btu Indoor temperature °FDB °FDB °FWB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 9.75 1.40 9.52 1.43 9.29 1.46 9.06 1.49 8.82 1.52 13.80 1.72 13.47 1.75 13.14 1.79 12.81 1.82 12.48 1.86 17.84 2.03 17.42 2.07 16.99 2.12 16.57 2.16...
  • Page 207  Indoor units: 7,000 Btu + 7,000 Btu Indoor temperature °FDB °FDB °FWB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 10.95 1.60 10.69 1.63 10.43 1.67 10.17 1.70 9.91 1.73 15.49 1.96 15.12 2.00 14.76 2.04 14.39 2.08 14.02 2.12 20.04 2.32 19.56 2.37 19.08...
  • Page 208  Indoor units: 7,000 Btu + 12,000 Btu Indoor temperature °FDB °FDB °FWB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 13.02 2.22 12.71 2.27 12.40 2.31 12.09 2.36 11.78 2.40 18.42 2.72 17.98 2.77 17.55 2.83 17.11 2.89 16.67 2.94 23.82 3.22 23.26 3.28 22.69...
  • Page 209  Indoor units: 7,000 Btu + 18,000 Btu Indoor temperature °FDB °FDB °FWB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 13.96 2.42 13.63 2.47 13.29 2.52 12.96 2.57 12.63 2.62 19.75 2.96 19.28 3.02 18.81 3.08 18.34 3.15 17.87 3.21 25.54 3.50 24.93 3.58 24.32...
  • 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 13.47 2.24 13.15 2.28 12.83 2.33 12.50 2.38 12.18 2.42 19.05 2.74 18.60 2.80 18.15 2.85 17.69 2.91 17.24 2.97 24.64 3.24 24.05 3.31 23.47...
  • Page 211  Indoor units: 9,000 Btu + 18,000 Btu Indoor temperature °FDB °FDB °FWB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 14.31 2.42 13.96 2.47 13.62 2.52 13.28 2.57 12.94 2.62 20.24 2.96 19.76 3.02 19.27 3.08 18.79 3.15 18.31 3.21 26.17 3.50 25.55 3.58 24.93...
  • Page 212  Indoor units: 12,000 Btu + 14,000 Btu Indoor temperature °FDB °FDB °FWB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 14.55 2.35 14.21 2.40 13.86 2.45 13.51 2.50 13.17 2.55 20.59 2.88 20.10 2.94 19.61 3.00 19.12 3.06 18.63 3.12 26.63 3.41 25.99 3.48 25.36...
  • Page 213  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 14.70 2.42 14.35 2.47 14.00 2.52 13.65 2.57 13.30 2.62 20.80 2.96 20.30 3.02 19.81 3.08 19.31 3.15 18.82 3.21 26.89 3.50...
  • Page 214  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 14.80 2.42 14.45 2.47 14.09 2.52 13.74 2.57 13.39 2.62 20.94 2.96 20.44 3.02 19.94 3.08 19.44 3.15 18.94 3.21 27.07 3.50...

  • Page 215: 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: AOU24RLXFZH NOTE: Values mentioned in the table are calculated based on the maximum capacity.
  • Page 216  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 217  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 218: Additional Charge Calculation

    8. Additional charge calculation 8-1. Model: AOU24RLXFZH Refrigerant type R410A lb oz 4 lb 14 oz Refrigerant amount 2,200  Refrigerant charge 98 or less 229 (Max.) Total pipe length 30 or less 70 (Max.) 0.21 oz/ft (20 g/m) lb oz 7.1 oz 14.1 oz 21.2 oz...

  • Page 219: Airflow

    9. Airflow 9-1. Model: AOU24RLXFZH  Cooling 3,300 1,942  Heating 3,300 1,942 - 213 -...

  • Page 220: Operation Noise (Sound Pressure)

    10. Operation noise (sound pressure) 10-1. Noise level curve  Model: AOU24RLXFZH  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 221: 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. - 215 -...

  • Page 222: Electrical Characteristics

    11. Electrical characteristics Model name AOU24RLXFZH Voltage 208/230 ~ Power supply Frequency MCA *1 25.1 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 223: Safety Devices

    12. Safety devices Model Type of protection Protection form AOU24RLXFZH 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 224: Accessories

    13. Accessories Part name Exterior Q’ty Part name Exterior Q’ty Installation manual - 218 -...

  • Page 225: 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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