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

Multi: 5 rooms type
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See also: Service Manual , Design & Technical Manual
AIR CONDITIONER
Multi: 5 rooms type
DESIGN & TECHNICAL MANUAL
INDOOR
OUTDOOR
AUU7RLF
AUU9RLF
AUU12RLF
AUU18RLF
ASU7RLF1
ASU9RLF1
ASU12RLF1
ASU15RLF1
AOU45RLXFZ
ARU7RLF
ARU18RLF
ARU9RLF
ARU12RLF
ASU18RLF
AGU9RLF
ASU24RLF
AGU12RLF
AGU15RLF
ARU24RLF
DR_MU002EF_09
2018.06.14

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Summary of Contents for Fujitsu AUU7RLF

  • Page 1 AIR CONDITIONER Multi: 5 rooms type DESIGN & TECHNICAL MANUAL AUU7RLF ARU7RLF ARU18RLF ARU24RLF AUU9RLF ARU9RLF AUU12RLF ARU12RLF AUU18RLF INDOOR ASU7RLF1 ASU18RLF AGU9RLF ASU9RLF1 ASU24RLF AGU12RLF ASU12RLF1 AGU15RLF ASU15RLF1 OUTDOOR AOU45RLXFZ DR_MU002EF_09 2018.06.14...
  • 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, 2018 Fujitsu General Limited. All rights reserved.

  • Page 3: Table Of Contents

    CONTENTS Part 1. INDOOR UNIT................1 1. Model lineup ....................2 1-1. Indoor unit connection patterns..................3 2. Specifications....................6 2-1. Compact cassette type ....................6 2-2. Slim duct type ........................7 2-3. Wall mounted type ......................9 2-4. Floor type ........................11 3. Dimensions....................12 3-1. Compact cassette type ....................12 3-2.
  • Page 4 CONTENTS (continued) 11-2.External output......................84 12. Group connection ..................91 12-1.Precautions on creating a group connection ..............92 12-2.Remote controller address setting procedure for wireless remote controllers ....94 13. Remote controller ..................95 13-1.Wireless remote controller (UTY-LNHUM) ..............95 13-2.Wireless remote controller (AR-REG1U)...............97 13-3.Wired remote controller (UTY-RNNUM)................99 13-4.Simple remote controller (UTY-RSNUM: Optional part) ..........104 13-5.Central remote controller (UTY-DMMUM: Optional part) ..........109 14.
  • Page 5 CONTENTS (continued) Part 2. OUTDOOR UNIT..............157 1. Specifications....................158 2. Dimensions....................159 2-1. Model: AOU45RLXFZ ....................159 3. Installation space ..................160 3-1. Model: AOU45RLXFZ ....................160 4. Refrigerant circuit ..................163 4-1. Model: AOU45RLXFZ ....................163 5. Wiring diagram ..................164 5-1. Model: AOU45RLXFZ ....................164 6. Capacity table....................165 6-1.

  • Page 7: Part 1. Indoor Unit

    Part 1. INDOOR UNIT COMPACT CASSETTE TYPE: AUU7/9/12/18RLF SLIM DUCT TYPE: ARU7/9/12/18/24RLF WALL MOUNTED TYPE: ASU7/9/12/15RLF1 ASU18/24RLF FLOOR TYPE: AGU9/12/15RLF...

  • Page 8: Model Lineup

    1. Model lineup Indoor unit AUU7RLF ARU7RLF ARU18RLF AUU9RLF ARU9RLF AUU12RLF ARU12RLF AUU18RLF ARU24RLF ASU7RLF1 ASU18RLF ASU9RLF1 ASU24RLF ASU12RLF1 ASU15RLF1 AGU9RLF AGU12RLF AGU15RLF Outdoor unit AOU45RLXFZ - 2 - 1. Model lineup...

  • Page 9: Indoor Unit Connection Patterns

    1-1. Indoor unit connection patterns  5 rooms Outdoor unit: AOU45RLXFZ room 1 room 2 room 3 room 4 room 5 total — — — — — — — — — — — — — — — — — — —...
  • Page 10 Outdoor unit: AOU45RLXFZ room 1 room 2 room 3 room 4 room 5 total — — — — — — — — — — — — — — — — — — — — — — — — — — —...
  • Page 11 Outdoor unit: AOU45RLXFZ room 1 room 2 room 3 room 4 room 5 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 - 5 - 1-1. Indoor unit connection patterns 1. Model lineup...

  • Page 12: Specifications

    2. Specifications 2-1. 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 13: Slim Duct Type

    2-2. 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 14 Model name ARU18RLF ARU24RLF 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 15: Wall Mounted Type

    2-3. 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 16 Model name ASU18RLF ASU24RLF 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 17: Floor Type

    2-4. 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 18: Dimensions

    3. Dimensions 3-1. 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 19 • Standard type grille (UTG-CCGF) Side view 27-9/16 (700) Bottom view • Grid type grille (UTG-CCGFG) Side view 24-7/16 (620) Bottom view - 13 - 3-1. Compact cassette type 3. Dimensions...
  • Page 20 95 (2,400) or more Obstruction Floor Maximum height from floor to ceiling [Unit: in (mm)] Model name AUU7RLF and AUU9RLF AUU12RLF and AUU18RLF Standard mode (2,700) High ceiling mode — (3,000) • 3-way direction setting Unit: in (mm)

  • Page 21: Slim Duct Type

    3-2. Slim duct type ¢ Models: ARU7RLF, ARU9RLF, and ARU12RLF Unit: in (mm) 22-5/8 (574) 2 (51) View A Rear view 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 22 ¢ Model: ARU18RLF Unit: in (mm) 2 (51) 30-1/2 (774) Rear view View A 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 2-3/16 (56) 6-9/16 (167)
  • Page 23 ¢ Model: ARU24RLF Unit: in (mm) 38-3/8 (974) 2 (51) Rear view View A 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) 1-11/16 (43)
  • Page 24 ¢ Installation space requirement Provide sufficient installation space for product safety. In ceiling-concealed installations: 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...
  • Page 25 ¢ Maintenance space requirement For future maintenance and service access, provide sufficient maintenance space. NOTE: Do not place any wiring or illumination in the maintenance space, as they will impede ser- vice. Unit: in (mm) Service access Unit Control 12 (300) or more Service space - 19 -...

  • Page 26: Wall Mounted Type

    3-3. 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 27 ¢ 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 - 21 - 3-3. Wall mounted type 3. Dimensions...
  • Page 28 ¢ Models: ASU18RLF and ASU24RLF Unit: in (mm) 39-5/16 (998) 9 (228) Unit center Outline of unit 1-1/8 (28) 2-5/8 (67) 35-9/16 (903) 13/16 (20) 17-1/4 (438) 15-5/8 (397) Ø 3-1/8 (80) hole 39-5/16 (998): Unit size Ø 3-1/8 (80) hole Piping inlet Piping inlet - 22 -...
  • Page 29 ¢ 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 - 23 - 3-3. Wall mounted type 3. Dimensions...

  • Page 30: Floor Type

    3-4. 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 5 (150) or less - 24 -...

  • Page 31: Wiring Diagrams

    4. Wiring diagrams 4-1. Compact cassette type ¢ Models: AUU7RLF, AUU9RLF, AUU12RLF, and AUU18RLF - 25 - 4-1. Compact cassette type 4. Wiring diagrams...

  • Page 32: Slim Duct Type

    4-2. Slim duct type ¢ Models: ARU7RLF, ARU9RLF, ARU12RLF, ARU18RLF, and ARU24RLF - 26 - 4-2. Slim duct type 4. Wiring diagrams...

  • Page 33: Wall Mounted Type

    4-3. Wall mounted type ¢ Models: ASU7RLF1, ASU9RLF1, ASU12RLF1, and ASU15RLF1 - 27 - 4-3. Wall mounted type 4. Wiring diagrams...
  • Page 34 ¢ Models: ASU18RLF and ASU24RLF - 28 - 4-3. Wall mounted type 4. Wiring diagrams...

  • Page 35: Floor Type

    4-4. Floor type ¢ Models: AGU9RLF, AGU12RLF, and AGU15RLF - 29 - 4-4. Floor type 4. Wiring diagrams...

  • Page 36: Air Velocity And Temperature Distributions

    5. Air velocity and temperature distributions 5-1. 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 37 Measuring conditions Fan speed Operation mode Outlet directions 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 38 ¢ 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 39 Measuring conditions Fan speed Operation mode Outlet directions 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 40 ¢ 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) 3 (1.0) 2 (0.5) Vertical airflow direction louver: Up 1 (0.25) 7 (2.0)
  • Page 41 Measuring conditions Fan speed Operation mode Outlet directions 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 42: Slim Duct Type

    5-2. 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) 2 (0.5) Vertical airflow direction louver: Up Horizontal airflow direction louver: Center...
  • Page 43 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 44 ¢ 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 7 (2) 3 (1) 2 (0.5) Vertical airflow direction louver: Up Horizontal airflow direction louver: Center (ft) (ft)
  • Page 45 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 46 ¢ 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 7 (2) 3 (1) 2 (0.5) Vertical airflow direction louver: Up Horizontal airflow direction louver: Center (ft) (ft)
  • Page 47 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 48 ¢ 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) 3 (1) Vertical airflow direction louver: Up 2 (0.5) Horizontal airflow direction louver: Center (ft)
  • Page 49 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 50 ¢ Model: ARU24RLF 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 51 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 52: Wall Mounted Type

    5-3. 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 53 ¢ 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 54 ¢ 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 55 ¢ 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 56 ¢ 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 57 ¢ Model: ASU24RLF Fan speed Operation mode Measuring conditions HIGH (ft) Unit: ft/s (m/s) Top view 2 (0.5) 7 (2.0) 3 (1.0) Vertical airflow direction louver: Up Horizontal airflow direction louver: Center (ft) (ft) Unit: ft/s (m/s) 2 (0.5) 7 (2.0) 3 (1.0) Top view Vertical airflow direction louver: Up...

  • Page 58: Floor Type

    5-4. 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) (ft) Unit: ft/s (m/s)

  • Page 59: Fan Performance

    6. Fan performance 6-1. 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) Normal SP 0.16 (40)
  • Page 60  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]) - 54 - 6-1. Slim duct type 6.
  • Page 61 ¢ 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 62  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]) - 56 - 6-1. Slim duct type 6.
  • Page 63 ¢ 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 64  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]) - 58 - 6-1. Slim duct type 6.
  • Page 65 ¢ 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 66  Characteristics of air volume and capacity • Cooling Capacitty (900) (1,100) (800) (1,000) (700) Airflow (CFM [m 3 /h]) • Heating Capacitty (900) (1,100) (800) (1,000) (700) Airflow (CFM [m 3 /h]) - 60 - 6-1. Slim duct type 6.
  • Page 67 ¢ Model: ARU24RLF 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)
  • Page 68  Characteristics of air volume and capacity • Cooling Capacitty (1,100) (1,200) (1,300) (1,500) (900) (1,000) (1,400) (1,600) (800) Airflow (CFM [m 3 /h]) • Heating Capacitty (1,100) (1,200) (1,300) (1,500) (900) (1,000) (1,400) (1,600) (800) Airflow (CFM [m 3 /h]) - 62 - 6-1.

  • Page 69: Airflow

    • 3.6 m /h = 1 l/s • 1.699 m /h = 1 CFM 7-1. Compact cassette type Airflow Model Operation mode Fan speed High Cooling Quiet AUU7RLF High Heating Quiet High Cooling Quiet AUU9RLF High Heating Quiet High Cooling...

  • Page 70: Slim Duct Type

    7-2. Slim duct type Airflow Model Operation mode Fan speed 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 High 1,330 1,240 Cooling 1,100...

  • Page 71: Wall Mounted Type

    7-3. Wall mounted type Airflow Model Operation mode Fan speed 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 72: Floor Type

    7-4. Floor type Airflow Model Operation mode Fan speed High Cooling Quiet AGU9RLF High Heating Quiet High Cooling Quiet AGU12RLF High Heating Quiet High Cooling Quiet AGU15RLF High Heating Quiet - 66 - 7-4. Floor type 7. Airflow...

  • Page 73: Noise Level Curve

    8. Noise level curve 8-1. 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 NC-40 NC-40 HIGH HIGH NC-35 NC-35 NC-30 NC-30 NC-25 NC-25 QUIET QUIET NC-20 NC-20 NC-15...
  • Page 74 ¢ Model: AUU12RLF  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 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...

  • Page 75: Slim Duct Type

    8-2. 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 QUIET QUIET NC-15 NC-15 1,000 2,000 4,000 8,000 1,000 2,000...
  • Page 76 ¢ 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 HIGH HIGH 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 Octave band center frequency, Hz Octave band center frequency, Hz...
  • Page 77 ¢ Model: ARU24RLF  Cooling  Heating NC-65 NC-65 NC-60 NC-60 NC-55 NC-55 NC-50 NC-50 NC-45 NC-45 NC-40 HIGH NC-40 HIGH NC-35 NC-35 NC-30 NC-30 QUIET NC-25 QUIET 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...

  • Page 78: Wall Mounted Type

    8-3. 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 HIGH NC-40 NC-40 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 79 ¢ Model:ASU12RLF1  Cooling  Heating NC-65 NC-65 NC-60 NC-60 NC-55 NC-55 NC-50 NC-50 HIGH HIGH NC-45 NC-45 NC-40 NC-40 NC-35 NC-35 NC-30 NC-30 NC-25 NC-25 QUIET NC-20 NC-20 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 80 ¢ Model: ASU18RLF  Cooling  Heating NC-65 NC-65 NC-60 NC-60 NC-55 NC-55 HIGH HIGH NC-50 NC-50 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...

  • Page 81: Floor Type

    8-4. Floor type ¢ Model: AGU9RLF  Cooling  Heating NC-65 NC-65 NC-60 NC-60 NC-55 NC-55 NC-50 NC-50 HIGH HIGH 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 QUIET QUIET 1,000 2,000 4,000 8,000 1,000 2,000 4,000...
  • Page 82 ¢ Model: AGU15RLF  Cooling  Heating NC-65 NC-65 NC-60 NC-60 NC-55 NC-55 NC-50 NC-50 HIGH HIGH NC-45 NC-45 NC-40 NC-40 NC-35 NC-35 NC-30 NC-30 NC-25 NC-25 NC-20 NC-20 QUIET NC-15 NC-15 QUIET 1,000 2,000 4,000 8,000 1,000 2,000 4,000 8,000 Octave band center frequency, Hz Octave band center frequency, Hz...

  • Page 83: Sound Level Check Point

    8-5. Sound level check point ¢ Compact cassette type Microphone Microphone - 77 - 8-5. Sound level check point 8. Noise level curve...
  • Page 84 ¢ 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) NOTE: Detailed shape of the actual indoor unit might be slightly different from the one illustrated above.

  • Page 85: Electrical Characteristics

    9. 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 86: Safety Devices

    Fan motor thermal Terminal thermal Float Model name PCB* fuse type protector fuse switch Activate: 212 ±27 °F (100 ±15 °C) AUU7RLF Fan motor stop AUU9RLF Compact 250 V, 3.15 A ― ○ cassette Reset: 203 ±18 °F AUU12RLF (95 ±10 °C)

  • Page 87: External Input And Output

    11. External input and output External input External output Indoor unit type Operation Fresh air Auxiliary heater Error status Control input status output control output output output Compact ● ● ● ― ― cassette Slim duct ● ● ● ● ―...
  • Page 88 • 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, ASU12RLF1, and Connector Example: Switch ASU15RLF1) type.
  • Page 89 • Optional part Indoor unit type Part name Model name Compact cassette UTY-XWZX Slim duct UTD-ECS5A ASU7RLF1, ASU9RLF1, ASU12RLF1, External connect UTY-XWZXZ5 ASU15RLF1 Wall mounted ASU18RLF, ASU24RLF UTY-XWZX Floor AGU9RLF, AGU12RLF, AGU15RLF UTY-XWZXZ5 UTY-XWZX UTD-ECS5A UTY-XWZXZ5 Indoor unit type Part name Model name Compact cassette —...

  • Page 90: 11-2.External Output

    11-2. 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, ASU24RLF...
  • Page 91 • Optional part Indoor unit type Part name Model name Compact cassette UTY-XWZX Slim duct UTD-ECS5A ASU7RLF1, ASU9RLF1, ASU12RLF1, External connect UTY-XWZXZ5 ASU15RLF1 Wall mounted ASU18RLF, ASU24RLF UTY-XWZX Floor AGU9RLF, AGU12RLF, AGU15RLF UTY-XWZXZ5 Indoor unit type Part name Model name Compact cassette —...
  • Page 92 ¢ 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. •...
  • Page 93 ¢ 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 94 • 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 95 ¢ Error status output Indoor unit type Connector Compact cassette — Slim duct — Wall mounted ASU7RLF1, ASU9RLF1, ASU12RLF1, ASU15RLF1 CNB02 ASU18RLF, ASU24RLF — Floor AGU9RLF, AGU12RLF, AGU15RLF CN21 Air conditioner error status signal can be output. • Circuit diagram example Indoor unit Connected unit control PCB *1...
  • Page 96 • Optional part Indoor unit type Part name Model name Compact cassette — — Slim duct — — ASU7RLF1, ASU9RLF1, ASU12RLF1, External connect kit UTY-XWZXZ5 ASU15RLF1 Wall mounted ASU18RLF, ASU24RLF — — Floor AGU9RLF, AGU12RLF, AGU15RLF External connect kit UTY-XWZXZ5 Indoor unit type Part name Model name...

  • Page 97: Group Connection

    12. Group connection Wiring regulation on the remote controllers in the multi split models are reviewed and allowed for group connection. Example of group connection Indoor unit Indoor unit Outdoor unit *Exterior of each device shown above might be different from the actual one. NOTES: •...

  • Page 98: 12-1.Precautions On Creating A Group Connection

    12-1. Precautions on creating a group connection Take precautions on items described in this section when creating a group connection in the multi split models. CAUTION Group connection to other refrigerant system between the multi systems with same communication system as shown below is strictly prohibited. Indoor unit Indoor unit Indoor unit...
  • Page 99 • Maximum wiring length of the remote controller cable: 984 ft (300 m) Even if the maximum wiring length of the product itself is specified as longer than 984 ft (300 m), the maximum length of the remote controller cable will be 984 ft (300 m) if the system is group- connected.

  • Page 100: 12-2.Remote Controller Address Setting Procedure For Wireless Remote Controllers

    12-2. Remote controller address setting procedure for wireless remote controllers Enter the function setting mode of the wireless remote controller. For details, refer to "Function settings" on page 113. Select the function number “00” (Remote controller address setting), and then select any of the number (Setting value) from 00 to 15.

  • Page 101: Remote Controller

    13. Remote controller 13-1. Wireless remote controller (UTY-LNHUM) ¢ Overview a FAN button Selects the fan speed (AUTO, HIGH, MED, LOW, and QUIET). b START/STOP button Starts and stops operation. c SET button (vertical) Adjusts the vertical airflow direction. d SET button (horizontal) Adjusts the horizontal airflow direction.
  • Page 102 ¢ Specifications  Controller Unit: in (mm) Top view 3/4 (19) 2-3/16 (56) Front view Side view Rear view Size (H × W × D) in (mm) 6-11/16 × 2-3/16 × 3/4 (170 × 56 × 19) Weight oz (g) 3 (85) (without batteries) NOTE: Actual number of buttons might be different from the figure above.

  • Page 103: 13-2.Wireless Remote Controller (Ar-Reg1U)

    13-2. Wireless remote controller (AR-REG1U) ¢ 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 TIMER SELECT button REG1U RESET button SLEEP TIMER button...
  • Page 104 ¢ 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 105: 13-3.Wired Remote Controller (Uty-Rnnum)

    13-3. Wired remote controller (UTY-RNNUM) ¢ 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 , LOW...
  • Page 106 ¢ System diagram 1 remote controller: 2 remote controllers: Indoor unit Indoor unit A, B, C: Remote controller cable A ≤ 1,640 ft (500 m);B + C ≤ 1,640 ft (500 Primary Secondary Remote controller Remote controllers ¢ Electrical wiring 1 remote controller: 2 remote controllers: Indoor unit...
  • Page 107 ¢ 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 108 ¢ 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, and Pattern B Wall mounted type ASU15RLF1 ASU18RLF and ASU24RLF Pattern C Floor type ...
  • Page 109 2. Connect the remote controller cable. • Connect the cable made in step 1. to the terminal (*1) of optional communication kit. • Connect the cable from the terminal (*2) of communication kit to the indoor unit PCB. Terminal (*2) Connecting cable Terminal (*1)

  • Page 110: 13-4.Simple Remote Controller (Uty-Rsnum: Optional Part)

    13-4. Simple remote controller (UTY-RSNUM: Optional part) ¢ Overview a START/STOP button Starts and stops operation. b Display backlight button Lights during operation. c Operation lamp Lights during operation. d FAN button Selects the fan speed (AUTO ,HIGH , MED , and QUIET ).
  • Page 111 ¢ System diagram 1 remote controller: 2 remote controllers: Indoor unit Indoor unit A, B, C: Remote controller cable A ≤ 1,640 ft (500 m);B + C ≤ 1,640 ft (500 Primary Secondary Remote controller Remote controllers ¢ Electrical wiring 1 remote controller: 2 remote controllers: Indoor unit...
  • Page 112 ¢ Specifications Dimensions and other specifications on the wired remote controller are as follows. Unit: in (mm) 2-15/16 (75) 9/16 (14) 1-15/16 (49) 7/16 (11) hole x 2 1-9/16 (39) 1/4 (6) 2-3/8 (60) 3/16 (4) 5/16 (8) hole x 2 Front View Side View Rear View...
  • Page 113 ¢ 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, and Pattern B Wall mounted type ASU15RLF1 ASU18RLF and ASU24RLF Pattern C Floor type ...
  • Page 114 2. Connect the remote controller cable. • Connect the cable made in step 1. to the terminal (*1) of optional communication kit. • Connect the cable from the terminal (*2) of communication kit to the indoor unit PCB. Terminal (*2) Connecting cable Terminal (*1)

  • Page 115: 13-5.Central Remote Controller (Uty-Dmmum: Optional Part)

    13-5. Central remote controller (UTY-DMMUM: Optional part) ¢ Overview a Display panel (with backlight) b Screen switch button (Left) c Menu button d Cancel button e Cursor button f Screen switch button (Right) g Power indicator h On / Off button i Enter button ¢...
  • Page 116 ¢ Specifications Dimensions and other specifications on the wired remote controller are as follows. Unit: in (mm) 1-3/16 1-5/16 (30) (33.5) 13/16 (21.3) 4-3/4 (120) (23) 3/8 (9) 3/16 (4.5) Front View Side View Rear View Size (H × W × D) in (mm) 4-3/4 ×...
  • Page 117 ¢ Installation 1. Remove the insulation of the remote controller cable. Unit: in (mm) 2-3/16 (55) 1-3/4 (45) 1-3/16 (30) 5/16 (8) 5/16 (8) 5/16 1. 12V (Red) 2. Signal (White) 3. COM (Black) 2. Insert the flat-blade screwdriver and remove the front case and rear case by twisting it slightly.
  • Page 118 5. Connect the cable to the terminals on the front case. Fix the cable together with the sheath by using the cable tie. Cut off the excess cable tie. Tightening torque Terminal screw 7 to 10 lbf • in (0.8 to 1.2N • m) Cable tie 1.

  • Page 119: Function Settings

    14. 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. 14-1. Indoor unit (setting by jumper wire) NOTE: This setting is necessary only for slim duct type. ¢...

  • Page 120: 14-2.Indoor Unit (Setting By Wireless Remote Controller)

    14-2. 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 malfunction. • After the power is turned on, perform the “Function setting” according to the installation conditions using the remote controller.
  • Page 121 ¢ 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 122 For confirming the custom code, press the TIMER MODE button to send the code to the indoor unit. 2 short beeps Press the MODE button to enter the function setting mode. Select the function number by pressing the or the button.
  • Page 123 Send the function mode information by pressing the TIMER MODE button once. 2 short beeps Send the function setting information by pressing the START/STOP button once. 2 short beeps will be emitted from the indoor unit when the signal is received correctly. If wrong code is set, no beep sound will be emitted.
  • Page 124  Resetting the power after setting up all indoor units NOTES: • If the reset is not performed, function cannot be read correctly. • After all the functions have been set, the circuit breaker needs to be switched off for at least 2 minutes.
  • Page 125  Remote controller custom code setting Custom code setting of wireless remote controller needs to be same as the setting of the indoor unit. When you change the custom code setting of the wireless remote controller, do as follows: Press the START/STOP button until only the clock is displayed on the remote controller dis- play.
  • Page 126 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 127 ¢ 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 128 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 129 Press the button once to transmit the function setting information. 2 short beeps will be emitted from the indoor unit when the signal is received correctly. If wrong code is set, no beep sound will be emitted. 2 short beeps NOTE: Press button within 30 seconds after pressing MODE button.
  • Page 130  Resetting the power after setting up all indoor units NOTES: • If the reset is not performed, function cannot be read correctly. • After all the functions have been set, the circuit breaker needs to be switched off for at least 2 minutes.
  • Page 131  Remote controller custom code setting Custom code setting of wireless remote controller needs to be same as the setting of the indoor unit. When you change the custom code setting of the wireless remote controller, do as follows: Press the START/STOP button until only the clock is displayed on the display. Press the MODE button for at least 5 seconds to display the current custom code (initially set to Press the SET TEMP.
  • Page 132  Remote controller temperature unit To change the displayed temperature unit, press the "°C/°F" switching button to select the preferred temperature unit. (Factory setting is set to “°F”.): - 126 - 14-2. Indoor unit (setting by wireless remote controller) 14. Function settings...

  • Page 133: 14-3.Indoor Unit (Setting By Wired Remote Controller)

    14-3. 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 malfunction. • After the power is turned on, perform the “Function setting” according to the installation conditions using the remote controller.
  • Page 134 ¢ 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 135 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 136: 14-4.Indoor Unit (Setting By Simple Remote Controller)

    14-4. 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 malfunction. • After the power is turned on, perform the “Function setting” according to the installation conditions using the remote controller.
  • Page 137 ¢ 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 138 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 139  Resetting the power after setting up function of all indoor units NOTES: • If the reset is not performed, function cannot be read correctly. • After all the functions have been set, the circuit breaker needs to be switched off for at least 2 minutes.

  • Page 140: 14-5.Function Details

    14-5. 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 Wall Functions...
  • Page 141 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 3. "Dimensions"...
  • Page 142 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 143 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 144 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 145: 14-6.Wired Remote Controller

    14-6. 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 location Front case (back side) DIP switch 2 DIP switch 1 ¢ DIP switch 1 setting ...
  • Page 146  SW6: Memory backup setting Set to “ON” to use batteries for the memory backup. When batteries are not used, all of settings stored in memory will be deleted if there is a power failure. Memory backup Factory setting Disable ♦...

  • Page 147: 14-7.Simple Remote Controller

    14-7. Simple remote controller Prohibited Dual remote controller setting °F/°C switch DIP switch Prohibited Prohibited Prohibited ¢ Switch location DIP Switch ¢ DIP switch setting  SW2: Dual remote controller setting Set the remote controller SW2 according to the following table. Primary unit Secondary unit Number of remote controller...

  • Page 148: 14-8.Central Remote Controller

    14-8. Central remote controller Memory backup setting Prohibited Prohibited DIP switch 1 Prohibited Prohibited Prohibited ¢ Switch location DIP switch 1 2 3 4 5 6 Front case (back side) ¢ DIP switch setting  SW1: Memory backup setting Set to “ON” to use batteries for the memory backup. When batteries are not used, all of settings stored in memory will be deleted if there is a power failure.

  • Page 149: Accessories

    15. Accessories 15-1. 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 150 Part name Exterior Q’ty Part name Exterior Q’ty Washer Hose band Coupler heat insulation Drain hose insulation B (large) Coupler heat insulation Remote controller (small) Filter (Small) Remote controller (For 7/9/12/24) cable Tapping screw (18) Filter (Big) (For 18/24) (24) - 144 - 15-2.

  • Page 151: 15-3.Wall Mounted Type

    15-3. Wall mounted type ¢ Models: ASU7RLF1, ASU9RLF1, ASU12RLF1, and ASU15RLF1 Part name Exterior Q’ty Part name Exterior Q’ty Operating manual Cloth tape Installation manual Tapping screw (large) Wall hook bracket Tapping screw (small) Remote controller Air cleaning filter Battery Filter holder Seal A •...
  • Page 152 ¢ Models: ASU18RLF and ASU24RLF Part name Exterior Q’ty Part name Exterior Q’ty Operating manual Drain hose insulation Installation manual Cloth tape Wall hook bracket Tapping screw (large) Remote controller Tapping screw (small) Battery Air cleaning filter Remote controller Air cleaning filter frame holder - 146 - 15-3.

  • Page 153: 15-4.Floor Type

    15-4. 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 Wall hook bracket Tapping screw (large) Remote controller Tapping screw (small) Battery Air cleaning filter Remote controller holder - 147 -...

  • Page 154: Optional Parts

    16. Optional parts 16-1. Controllers ¢ Lineup Type Simple Wired remote Wireless remote IR receiver remote Indoor unit type controller controller unit controller UTY- UTY- UTY-RNNUM AR-REG1U UTY-RSNUM LNHUM LRHUM Compact cassette ● ◌ — — ◌ Slim duct ● —...
  • Page 155 ¢ Parts IR receiver kit with Wireless Wired remote controller Simple remote controller remote controller UTY-RNNUM UTY-RSNUM UTY-LRHUM Wireless remote controller REG1U UTY-LNHUM AR-REG1U - 149 - 16-1. Controllers 16. Optional parts...

  • Page 156: 16-2.Cassette Grille

    16-2. Cassette grille ¢ Lineup Indoor unit type Model Remarks UTG-CCGF Standard type Compact cassette UTG-CCGFG Grid type ¢ Parts Cassette grille UTG-CCGF UTG-CCGFG - 150 - 16-2. Cassette grille 16. Optional parts...

  • Page 157: 16-3.Others

    16-3. 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 UTD- UTY- UTR-YDZB UTZ-KXGC UTZ-VXAA UTY-XWZX ECS5A XWZXZ5 Compact cassette ◌ ◌ ◌ —...
  • Page 158 ¢ 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 159: Indoor Unit Installation Precautions

    17. Indoor unit installation precautions NOTE: The information listed below are general precautions. Some models also include items that do not apply. 17-1. Places where prohibited for use • Places where there is a danger of combustible gas leakage. • Places where sulfur gas, chlorine gas, acid, alkali, or other matter which effects equipment is gen- erated.

  • Page 160: 17-2.Points To Remember When Installing

    17-2. Points to remember when installing • The product shall be installed at a place which can withstand the weight and vibration of the in- door. • To allow maintenance after refrigerant piping, drain piping, and electric wiring connection and in- stallation, provide an installation service space and an inspection port, as required.
  • Page 161 Work method when reinforcing the heat insulation of on-site piping Slit of heat insulating material Heat insulation reinforcement material Flare connection facing upward (locally purchased) To indoor unit Covered gas pipe (heat insulation strengthened) Fit tightly Heat insulating material Small exposed part Binding material (purpose is to cover the sealant) (locally purchased)
  • Page 162 - 156 - 17-2. Points to remember when installing 17. Indoor unit installation precautions...

  • Page 163: Part 2. Outdoor Unit

    Part 2. OUTDOOR UNIT 5 ROOMS TYPE: AOU45RLXFZ...

  • Page 164: Specifications

    1. Specifications Type Inverter heat pump Model name AOU45RLXFZ Power source 1Ø 208/230 V 60 Hz Available voltage range 187—264V Number 2 to 5 Connectable indoor unit Total capacity range 34,000 to 54,000 Btu/h Non-Duct Duct Combination of indoor unit ASU9RLF1 x 5 ARU9RLF x 5 Btu/h...

  • Page 165: Dimensions

    2. Dimensions 2-1. Model: AOU45RLXFZ Unit: in (mm) 6-9/16 (166) 25-9/16 (650) 6-1/16 (154) 3 (76) 3-3/16 (81) 3-15/16 (100) Top view 1-5/16 14-9/16 3-3/4 (95) (33) (370) 9/16 (14) 38-3/16 (970) 7/8 (22.2) (cable port) 1-2/16 (27.8) (22.2) (cable port) (cable port) 3 (76.3) 7/8 (22.2)

  • Page 166: Installation Space

    3. Installation space 3-1. Model: AOU45RLXFZ ¢ Space requirement Provide sufficient installation space for product safety.  Single outdoor unit installation • When the upper space is open: Unit: in (mm) When there are obstacles at the rear only. When there are obstacles at the rear and sides.
  • Page 167  Multiple outdoor unit installation • When the upper space is open: Unit: in (mm) When there are obstacles at the rear only. When there are obstacles at the front only. 10 (250) or more 60 (1,500) or more 10 (250) or more 12 (300) or more...
  • Page 168  Outdoor unit installation in multi-row Unit: in (mm) Single parallel unit arrangement Multiple parallel unit arrangement 20 (500) 20 (500) or more or more 119 (3,000) 138 (3,500) or more or more 24 (600) or more 24 (600) or more 60 (1,500) or more 60 (1,500) or more 10 (250)

  • Page 169: Refrigerant Circuit

    4. Refrigerant circuit 4-1. Model: AOU45RLXFZ CONDENSER STRAINER STRAINER SOLENOID VALVE PRESSURE SENSOR FUSIBLE PLUG MUFFLER CHARGING CHARGING VALVE VALVE EXPANSION EXPANSION EXPANSION EXPANSION EXPANSION VALVE VALVE VALVE VALVE VALVE STRAINER STRAINER STRAINER STRAINER STRAINER HEAT EXCHANGER HEAT EXCHANGER HEAT EXCHANGER HEAT EXCHANGER HEAT EXCHANGER Indoor unit A...

  • Page 170: Wiring Diagram

    5. Wiring diagram 5-1. Model: AOU45RLXFZ - 164 - 5-1. Model: AOU45RLXFZ 5. Wiring diagram...

  • Page 171: Capacity Table

    6. Capacity table 6-1. Combinations ¢ Model: AOU45RLXFZ  Cooling Rated capacity for each indoor Maximum capacity for each in- Total capacity Combination of indoor unit Input power [kW] unit [kBtu/h] door unit [kBtu/h] [kBtu/h] Type of in- room door unit room room Total...
  • Page 172 Rated capacity for each indoor Maximum capacity for each in- Total capacity Combination of indoor unit Input power [kW] unit [kBtu/h] door unit [kBtu/h] [kBtu/h] Type of in- room door unit room room Total Min. Rated Max. Min. Rated Max. —...
  • Page 173 Rated capacity for each indoor Maximum capacity for each in- Total capacity Combination of indoor unit Input power [kW] unit [kBtu/h] door unit [kBtu/h] [kBtu/h] Type of in- room door unit room room Total Min. Rated Max. Min. Rated Max. —...
  • Page 174 ¢ Model: AOU45RLXFZ  Heating Rated capacity for each indoor Maximum capacity for each in- Total capacity Combination of indoor unit Input power [kW] unit [kBtu/h] door unit [kBtu/h] [kBtu/h] Type of in- room door unit room room Total Min. Rated Max.
  • Page 175 Rated capacity for each indoor Maximum capacity for each in- Total capacity Combination of indoor unit Input power [kW] unit [kBtu/h] door unit [kBtu/h] [kBtu/h] Type of in- room door unit room room Total Min. Rated Max. Min. Rated Max. —...
  • Page 176 Rated capacity for each indoor Maximum capacity for each in- Total capacity Combination of indoor unit Input power [kW] unit [kBtu/h] door unit [kBtu/h] [kBtu/h] Type of in- room door unit room room Total Min. Rated Max. Min. Rated Max. —...

  • Page 177: Cooling Capacity

    6-2. Cooling capacity ¢ Model: AOU45RLXFZ NOTE: Values mentioned in the table are calculated based on the maximum capacity.  Unit: kBtu/h, °F TC: Total Capacity (kBtu/h), IP: Input Power (kW) Indoor temperature Indoor unit connect- Outdoor temperature 64 °FDB 70 °FDB 75 °FDB 80 °FDB...
  • Page 178 Indoor temperature Indoor unit connect- Outdoor temperature 64 °FDB 70 °FDB 75 °FDB 80 °FDB 85 °FDB 90 °FDB ing capacity 54 °FWB 60 °FWB 63 °FWB 67 °FWB 71 °FWB 73 °FWB kBtu/h °FDB 37.6 1.71 42.5 1.74 44.8 1.76 48.0 1.78...
  • Page 179 Indoor temperature Indoor unit connect- Outdoor temperature 64 °FDB 70 °FDB 75 °FDB 80 °FDB 85 °FDB 90 °FDB ing capacity 54 °FWB 60 °FWB 63 °FWB 67 °FWB 71 °FWB 73 °FWB kBtu/h °FDB 34.3 1.51 38.7 1.53 40.8 1.55 43.7 1.56...
  • Page 180 Indoor temperature Indoor unit connect- Outdoor temperature 64 °FDB 70 °FDB 75 °FDB 80 °FDB 85 °FDB 90 °FDB ing capacity 54 °FWB 60 °FWB 63 °FWB 67 °FWB 71 °FWB 73 °FWB kBtu/h °FDB 28.4 1.11 32.1 1.13 33.9 1.14 36.3 1.15...
  • Page 181  Unit: kW, °C TC: Total Capacity (kW), IP: Input Power (kW) Indoor temperature Indoor unit connect- Outdoor temperature 17.8 °CDB 21.1 °CDB 23.9 °CDB 26.7 °CDB 29.4 °CDB 32.2 °CDB ing capacity 12.2 °CWB 15.6 °CWB 17.2 °CWB 19.4 °CWB 21.7 °CWB 22.8 °CWB kBtu/h...
  • Page 182 Indoor temperature Indoor unit connect- Outdoor temperature 17.8 °CDB 21.1 °CDB 23.9 °CDB 26.7 °CDB 29.4 °CDB 32.2 °CDB ing capacity 12.2 °CWB 15.6 °CWB 17.2 °CWB 19.4 °CWB 21.7 °CWB 22.8 °CWB kBtu/h °CDB -10.0 11.02 1.71 12.46 1.74 13.13 1.76 14.00...
  • Page 183 Indoor temperature Indoor unit connect- Outdoor temperature 17.8 °CDB 21.1 °CDB 23.9 °CDB 26.7 °CDB 29.4 °CDB 32.2 °CDB ing capacity 12.2 °CWB 15.6 °CWB 17.2 °CWB 19.4 °CWB 21.7 °CWB 22.8 °CWB kBtu/h °CDB -10.0 10.04 1.51 11.35 1.53 11.97 1.55 12.80...
  • Page 184 Indoor temperature Indoor unit connect- Outdoor temperature 17.8 °CDB 21.1 °CDB 23.9 °CDB 26.7 °CDB 29.4 °CDB 32.2 °CDB ing capacity 12.2 °CWB 15.6 °CWB 17.2 °CWB 19.4 °CWB 21.7 °CWB 22.8 °CWB kBtu/h °CDB -10.0 8.33 1.11 9.41 1.13 9.92 1.14 10.60...
  • Page 185 • TC: Total Capacity (kBtu/h), SHC: Sensible Heat Capacity (kBtu/h). • 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] MODEL: AUU7RLF Indoor temperature (°FDB / °FWB) Outdoor temperature 64.0 / 54.0...
  • Page 186 MODEL: AUU18RLF Indoor temperature (°FDB / °FWB) Outdoor temperature 64.0 / 54.0 70.0 / 60.0 75.0 / 63.0 80.0 / 67.0 85.0 / 71.0 90.0 / 73.0 (°FDB) 14.0 15.05 9.11 17.01 10.39 17.93 11.96 19.20 13.44 20.52 14.70 21.16 16.84 23.0 15.05...
  • Page 187 • TC: Total Capacity (kW), SHC: Sensible Heat Capacity (kW). • 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] MODEL: AUU7RLF Indoor temperature (°CDB / °CWB) Outdoor temperature 17.8 / 12.2...
  • Page 188 MODEL: AUU18RLF Indoor temperature (°CDB / °CWB) Outdoor temperature 17.8 / 12.2 21.1 / 15.6 23.9 / 17.2 26.7 / 19.4 29.4 / 21.7 32.2 / 22.8 (°CDB) -10.0 4.41 2.67 4.99 3.05 5.26 3.51 5.63 3.94 6.02 4.31 6.20 4.94 -5.0 4.41...
  • Page 189 ¢ Slim duct type  Unit: kBtu/h, °F • TC: Total Capacity (kBtu/h), SHC: Sensible Heat Capacity (kBtu/h). • 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] MODEL: ARU7RLF Indoor temperature (°FDB / °FWB) Outdoor temperature...
  • Page 190 MODEL: ARU18RLF Indoor temperature (°FDB / °FWB) Outdoor temperature 64.0 / 54.0 70.0 / 60.0 75.0 / 63.0 80.0 / 67.0 85.0 / 71.0 90.0 / 73.0 (°FDB) 14.0 15.05 9.37 17.01 10.69 17.93 12.30 19.20 13.82 20.52 15.12 21.16 17.32 23.0 15.05...
  • Page 191  Unit: kW, °C • TC: Total Capacity (kW), SHC: Sensible Heat Capacity (kW). • 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] MODEL: ARU7RLF Indoor temperature (°CDB / °CWB) Outdoor temperature...
  • Page 192 MODEL: ARU18RLF Indoor temperature (°CDB / °CWB) Outdoor temperature 17.8 / 12.2 21.1 / 15.6 23.9 / 17.2 26.7 / 19.4 29.4 / 21.7 32.2 / 22.8 (°CDB) -10.0 4.41 2.75 4.99 3.13 5.26 3.61 5.63 4.05 6.02 4.43 6.20 5.08 -5.0 4.41...
  • Page 193 ¢ Wall mounted type  Unit: kBtu/h, °F • TC: Total Capacity (kBtu/h), SHC: Sensible Heat Capacity (kBtu/h). • 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] MODEL: ASU7RLF1 Indoor temperature (°FDB / °FWB) Outdoor temperature...
  • Page 194 MODEL: ASU15RLF1 Indoor temperature (°FDB / °FWB) Outdoor temperature 64.0 / 54.0 70.0 / 60.0 75.0 / 63.0 80.0 / 67.0 85.0 / 71.0 90.0 / 73.0 (°FDB) 14.0 12.54 8.14 14.18 9.28 14.94 10.68 16.00 12.00 17.10 13.12 17.63 15.04 23.0 12.54...
  • Page 195  Unit: kW, °C • TC: Total Capacity (kW), SHC: Sensible Heat Capacity (kW). • 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] MODEL: ASU7RLF1 Indoor temperature (°CDB / °CWB) Outdoor temperature...
  • Page 196 MODEL: ASU15RLF1 Indoor temperature (°CDB / °CWB) Outdoor temperature 17.8 / 12.2 21.1 / 15.6 23.9 / 17.2 26.7 / 19.4 29.4 / 21.7 32.2 / 22.8 (°CDB) -10.0 3.68 2.39 4.15 2.72 4.38 3.13 4.69 3.52 5.01 3.85 5.17 4.41 -5.0 3.68...
  • Page 197 ¢ Floor type  Unit: kBtu/h, °F • TC: Total Capacity (kBtu/h), SHC: Sensible Heat Capacity (kBtu/h). • 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] MODEL: AGU9RLF Indoor temperature (°FDB / °FWB) Outdoor temperature...
  • Page 198  Unit: kW, °C • TC: Total Capacity (kW), SHC: Sensible Heat Capacity (kW). • 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] MODEL: AGU9RLF Indoor temperature (°CDB / °CWB) Outdoor temperature...

  • Page 199: Heating Capacity

    6-3. Heating capacity ¢ Model: AOU45RLXFZ NOTE: Values mentioned in the table are calculated based on the maximum capacity.  Unit: kBtu/h, °F TC: Total Capacity (kBtu/h), IP: Input Power (kW) Indoor temperature Indoor unit connect- Outdoor temperature ing capacity 60 °FDB 65 °FDB 70 °FDB...
  • Page 200 Indoor temperature Indoor unit connect- Outdoor temperature ing capacity 60 °FDB 65 °FDB 70 °FDB 75 °FDB 78 °FDB kBtu/h °FDB °FWB 33.1 4.70 32.3 4.80 31.5 4.90 30.8 5.00 30.0 5.10 37.3 4.70 36.5 4.80 35.6 4.90 34.7 5.00 33.8 5.10 41.6...
  • Page 201 Indoor temperature Indoor unit connect- Outdoor temperature ing capacity 60 °FDB 65 °FDB 70 °FDB 75 °FDB 78 °FDB kBtu/h °FDB °FWB 28.0 3.93 27.3 4.01 26.6 4.10 26.0 4.18 25.3 4.26 31.5 3.93 30.8 4.01 30.0 4.10 29.3 4.18 28.5 4.26 35.1...
  • Page 202  Unit: kW, °C TC: Total Capacity (kW), IP: Input Power (kW) Indoor temperature Indoor unit connect- Outdoor temperature ing capacity 15.6 °CDB 18.3 °CDB 21.1 °CDB 23.9 °CDB 25.6 °CDB kBtu/h °CDB °CWB -15.0 -16.1 9.70 4.70 9.47 4.80 9.20 4.90 9.01...
  • Page 203 Indoor temperature Indoor unit connect- Outdoor temperature ing capacity 15.6 °CDB 18.3 °CDB 21.1 °CDB 23.9 °CDB 25.6 °CDB kBtu/h °CDB °CWB -15.0 -16.1 9.70 4.70 9.47 4.80 9.20 4.90 9.01 5.00 8.78 5.10 -10.0 -11.1 10.94 4.70 10.68 4.80 10.40 4.90 10.16...
  • Page 204 Indoor temperature Indoor unit connect- Outdoor temperature ing capacity 15.6 °CDB 18.3 °CDB 21.1 °CDB 23.9 °CDB 25.6 °CDB kBtu/h °CDB °CWB -15.0 -16.1 7.98 3.83 7.79 3.91 7.60 3.99 7.41 4.07 7.22 4.15 -10.0 -11.1 8.99 3.83 8.78 3.91 8.50 3.99 8.35...
  • Page 205  Unit: kBtu/h, °F • TC: Total Capacity (kBtu/h). • 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] MODEL: AUU7RLF Indoor temperature (°FDB) Outdoor temperature 60.0 65.0...
  • Page 206  Unit: kW, °C • TC: Total Capacity (kW). • 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] MODEL: AUU7RLF Indoor temperature (°CDB) Outdoor temperature 15.6 18.3...
  • Page 207 ¢ Slim duct type  Unit: kBtu/h, °F • TC: Total Capacity (kBtu/h). • 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] MODEL: ARU7RLF Indoor temperature (°FDB) Outdoor temperature 60.0...
  • Page 208 MODEL: ARU24RLF Indoor temperature (°FDB) Outdoor temperature 60.0 65.0 70.0 75.0 78.0 (°FDB) (°FWB) 17.66 17.24 16.82 16.40 15.98 14.0 12.0 19.92 19.44 18.97 18.49 18.02 23.0 19.0 22.17 21.64 21.11 20.59 20.06 32.0 28.0 25.83 25.21 24.60 23.98 23.37 41.0 37.0 29.49...
  • Page 209  Unit: kW, °C • TC: Total Capacity (kW). • 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] MODEL: ARU7RLF Indoor temperature (°CDB) Outdoor temperature 15.6 18.3...
  • Page 210 MODEL: ARU24RLF Indoor temperature (°CDB) Outdoor temperature 15.6 18.3 21.1 23.9 25.6 (°CDB) (°CWB) -15.0 -16.1 5.18 5.05 4.93 4.81 4.68 -10.0 -11.1 5.84 5.70 5.56 5.42 5.28 -5.0 -7.2 6.50 6.34 6.19 6.03 5.88 -2.2 7.57 7.39 7.21 7.03 6.85 8.64 8.44...
  • Page 211 ¢ Wall mounted type  Unit: kBtu/h, °F • TC: Total Capacity (kBtu/h). • 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] MODEL: ASU7RLF1 Indoor temperature (°FDB) Outdoor temperature 60.0...
  • Page 212 MODEL: ASU15RLF1 Indoor temperature (°FDB) Outdoor temperature 60.0 65.0 70.0 75.0 78.0 (°FDB) (°FWB) 11.04 10.78 10.51 10.25 9.99 14.0 12.0 12.45 12.15 11.85 11.56 11.26 23.0 19.0 13.86 13.53 13.20 12.87 12.54 32.0 28.0 16.14 15.76 15.37 14.99 14.61 41.0 37.0 18.43...
  • Page 213  Unit: kW, °C • TC: Total Capacity (kW). • 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] MODEL: ASU7RLF1 Indoor temperature (°CDB) Outdoor temperature 15.6 18.3...
  • Page 214 MODEL: ASU15RLF1 Indoor temperature (°CDB) Outdoor temperature 15.6 18.3 21.1 23.9 25.6 (°CDB) (°CWB) -15.0 -16.1 3.24 3.16 3.08 3.00 2.93 -10.0 -11.1 3.65 3.56 3.47 3.39 3.30 -5.0 -7.2 4.06 3.96 3.87 3.77 3.67 -2.2 4.73 4.62 4.51 4.39 4.28 5.40 5.27...
  • Page 215 ¢ Floor type  Unit: kBtu/h, °F • TC: Total Capacity (kBtu/h). • 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] MODEL: AGU9RLF Indoor temperature (°FDB) Outdoor temperature 60.0...
  • Page 216  Unit: kW, °C • TC: Total Capacity (kW). • 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] MODEL: AGU9RLF Indoor temperature (°CDB) Outdoor temperature 15.6 18.3...

  • Page 217: 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: AOU45RLXFZ NOTE: Values mentioned in the table are calculated based on the maximum capacity.
  • Page 218 ¢ Indoor unit: 9,000 Btu Pipe length COOLING — — — 0.956 0.942 0.928 — — 0.977 0.963 0.950 0.936 Indoor unit is higher than outdoor unit *1 — 0.988 0.981 0.967 0.954 0.940 0.999 0.992 0.985 0.971 0.957 0.943 1.007 1.000 0.993...
  • Page 219 ¢ Indoor unit: 14,000 Btu Pipe length COOLING — — — 0.955 0.937 0.922 — — 0.974 0.962 0.945 0.930 Indoor unit is higher than outdoor unit *1 — 0.988 0.978 0.966 0.948 0.934 0.997 0.992 0.982 0.970 0.952 0.937 1.005 1.000 0.990...
  • Page 220 ¢ Indoor unit: 24,000 Btu Pipe length COOLING — — — 0.978 0.969 0.953 — — 0.986 0.986 0.977 0.961 Indoor unit is higher than outdoor unit *1 — 0.988 0.990 0.990 0.981 0.965 0.989 0.992 0.994 0.994 0.984 0.968 0.997 1.000 1.002...

  • Page 221: Additional Charge Calculation

    8. Additional charge calculation 8-1. Model: AOU45RLXFZ Refrigerant type R410A lb oz 8 lb 13 oz Refrigerant amount 4,000 ¢ Refrigerant charge 164 (50) 0.22 oz/ft Total pipe length ft (m) 197 (60) 230 (70) 262 (80) (Max.) or less (20 g/m) Additional charge lb oz (g)

  • Page 222: Airflow

    9. Airflow 9-1. Model: AOU45RLXFZ  Cooling 4,200 1,167 2,472  Heating 4,200 1,167 2,472 - 216 - 9-1. Model: AOU45RLXFZ 9. Airflow...

  • Page 223: Operation Noise (Sound Pressure)

    10. Operation noise (sound pressure) 10-1. Noise level curve ¢ Model: AOU45RLXFZ  Cooling  Heating NC-65 NC-65 NC-60 NC-60 NC-55 NC-55 RATING RATING NC-50 NC-50 NC-45 NC-45 QUIET QUIET NC-40 NC-40 NC-35 NC-35 NC-30 NC-30 NC-25 NC-25 NC-20 NC-20 NC-15 NC-15 1,000...

  • Page 224: Electrical Characteristics

    11. Electrical characteristics Model name AOU45RLXFZ Voltage 208/230 ~ Power supply Frequency 28.9 Starting current 20.1 CKT. BKR Wiring spec. * Power cable *: Selected sample based on Japan Electrotechnical Standards and Codes Committee E0005. As the regulations of wire size and circuit breaker differ in each country or region, select appropriate de- vices complied to the regional standard.

  • Page 225: Safety Devices

    12. Safety devices Model Type of protection Protection form AOU45RLXFZ 250 V, 10 A 250 V, 5 A Current fuse (PCB) 400 V, 5 A Circuit protection 250 V, 3.15 A Protector 500 V, 45 A (PCB) 239±27 °F Activate (115±15 °C) Fan motor stop Fan motor protection...

  • Page 226: Function Settings

    13. Function settings 13-1. Setting methods WARNING Never touch electrical components such as the terminal blocks or reactor except the switch on the display board. It may cause a serious accident such as electric shock. CAUTION • Once refrigerant charging is completed, be sure to open the valve prior to performing the local settings.
  • Page 227 ¢ Setting method 1. Be sure to disconnect the power supply or turn off the breaker. 2. Change the DIP switch setting according to the required setting. • Various settings can be adjusted by changing DIP switches and push switches on the board of the outdoor unit.
  • Page 228 ¢ Description of display LED display lamp Function or operation method • Turns on when the power supply is ON (Including when error occurs). (1) POWER/MODE Green • Indicate the MODE by the number of flashes when the installation function is active. (2) ERROR Flashes at high-speed when there is an error.

  • Page 229: 13-2.Outdoor Unit Low Noise Operation Function (Option)

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

  • Page 230: Check And Test

    14. Check and test 14-1. Check run • The check run is a function to screen and detect any wiring errors. • After carrying out the check run, you can use the automatic wiring correction function to correct the wiring. •...
  • Page 231 ¢ Operating procedure for check run CAUTION Initiate check run after more than 12 hours after the power supply is connected. NOTE: Be sure that the indoor unit and outdoor unit are not operating before starting the check run. 1. Press the "CHECK" switch for 3 seconds or more. CHECK 2.
  • Page 232 4. After the check run is completed, results will be displayed. Fill the displayed results in the result table accordingly. • If the connection is correct (Example: When 4 indoor units are connected) After the number of connected units are displayed, the LED for each unit will light up in order from A to D.
  • Page 233 [How to record the contents] • Fill the displayed results according to the following example. Example: When piping A to D is connected but the wires for B and C are connected in reverse. <Displayed results> The LEDs will light up in 7 second intervals in the following order. POWER ERROR MONITOR...
  • Page 234 NOTES: • *1: By using this function, the wiring is automatically corrected according to the piping. • *2: When correcting the wiring manually, please disconnect the power supply or turn off the breaker during results display, and then change the wiring manually according to the ob- tained test results.
  • Page 235 ¢ Check run judgment failure display If check run cannot be performed, the following is displayed. In this case, the check run will stop. Please check by using the cooling test run of the indoor unit.  Temperature out of range judgment POWER ERROR MONITOR...

  • Page 236: 14-2.Test Run

    14-2. Test run CAUTION Always connect the power supply 12 hours prior to the start of the operation in order to protect the compressor. 1. Indoor unit a. Is the drain normal? b. Is there any abnormal noise and vibration during operation? 2.
  • Page 237 5. Press "TEST RUN" switch for more than 3 seconds. POWER ERROR MONITOR MODE POWER/MODE LED will turn on, and test run stops. - 231 - 14-2. Test run 14. Check and test...

  • Page 238: 14-3.Error Code

    14-3. Error code If an error occurs, the LED will light up to display the error location and the error code. ¢ In the event of an error The error LED blink quickly. POWER ERROR MONITOR MODE blink (High-speed) ¢ Error location display LEDs A to F of MONITOR light up and display the error location.
  • Page 239 ¢ Error code display While the error is occurring, briefly press SW1. The error code is displayed. Example: Coil error (Error cord = 9A.1) POWER ERROR MONITOR MODE Blink [A(10)] (High-speed) (9-blink) Display mode LED on: LED off: Blink: (0.5s Light on / 0.5s Light off) Number of blinking: ( )
  • Page 240 Error code Error type 11.3 Serial communication error 11.4 Serial communication error during operation 16.5 Communication error between controller and outdoor unit 22.1 Indoor unit capacity error 5U.1 Indoor unit error 62.1 PCB model information error 62.3 EEPROM access error 62.8 EEPROM data corruption error 63.1...

  • Page 241: 14-4.Pump Down

    14-4. Pump down WARNING During the pump down operation, make sure that compressor is off before you remove the refriger- ant piping. Do not remove the connection pipe while the compressor is in operation with valve open. This may cause abnormal pressure in the refrigeration cycle that leads to breakage and even injury.
  • Page 242 7. Disconnect the power supply or turn off the breaker. NOTE: If the pump down is not stopped by pressing the switch as in step 6, it will stop auto- matically after 15 minutes and the LED will light as follows. If the pump down is com- plete, disconnect the power supply or turn off the breaker.

  • Page 243: Accessories

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

  • Page 244: Optional Parts

    16. Optional parts Exterior Part name Model name Summary Set temperatures on timers to best meet individuals’ needs. Includes a large backlit LCD and 4-way navigation pad. Remote controller cable: 22AWG (0.33 mm²) NOTE: The remote controller cable supplied with this controller Central remote is for indoor use.

  • Page 245: Outdoor Unit Installation Precautions

    17. Outdoor unit installation precautions NOTE: The information listed below are general precautions. Some models also include items that do not apply. 17-1. Places where prohibited for use • Places where there is a danger of combustible gas leakage. • Places where sulfur gas, chlorine gas, acid, alkali, or other matter which effects equipment is gen- erated.

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