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Fujitsu AUU7RLF Design & Technical Manual

Multi: 2, 3 rooms type, for extra cold climate area, indoor/outdoor.
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AIR CONDITIONER
Multi: 2, 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_04
2018.05.24

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Table of Contents

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   Summary of Contents for Fujitsu AUU7RLF

  • Page 1 AIR CONDITIONER Multi: 2, 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_04 2018.05.24...
  • 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....................4 2-1. Compact cassette type ....................4 2-2. Slim duct type ........................5 2-3. Wall mounted type ......................7 2-4. Floor type .........................9 3. Dimensions....................10 3-1. Compact cassette type ....................10 3-2.
  • Page 4 CONTENTS (continued) 11-2.External output......................74 12. Group connection ..................81 12-1.Precautions on creating a group connection ..............82 12-2.Remote controller address setting procedure for wireless remote controllers ....84 13. Remote controller ..................85 13-1.Wireless remote controller (UTY-LNHUM) ..............85 13-2.Wireless remote controller (AR-REG1U)...............87 13-3.Wired remote controller (UTY-RNNUM)................89 14.
  • Page 5 CONTENTS (continued) Part 2. OUTDOOR UNIT (2 ROOMS TYPE) ........135 1. Specifications....................136 2. Dimensions....................137 2-1. Model: AOU18RLXFZH ....................137 3. Installation space ..................138 3-1. Model: AOU18RLXFZH ....................138 4. Refrigerant circuit ..................141 4-1. Model: AOU18RLXFZH ....................141 5. Wiring diagram ..................142 5-1. Model: AOU18RLXFZH ....................142 6.
  • Page 6 CONTENTS (continued) Part 3. OUTDOOR UNIT (3 ROOMS TYPE) ........165 1. Specifications....................166 2. Dimensions....................167 2-1. Model: AOU24RLXFZH ....................167 3. Installation space ..................168 3-1. Model: AOU24RLXFZH ....................168 4. Refrigerant circuit ..................171 4-1. Model: AOU24RLXFZH ....................171 5. Wiring diagram ..................172 5-1. Model: AOU24RLXFZH ....................172 6.
  • Page 7: Part 1. Indoor Unit

    Part 1. INDOOR UNIT COMPACT CASSETTE WALL MOUNTED TYPE: TYPE: ASU7RLF1 AUU7RLF ASU9RLF1 AUU9RLF ASU12RLF1 AUU12RLF ASU15RLF1 AUU18RLF ASU18RLF SLIM DUCT TYPE: FLOOR TYPE: ARU7RLF AGU9RLF ARU9RLF AGU12RLF ARU12RLF AGU15RLF ARU18RLF...
  • Page 8: Model Lineup

    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 ¢ Indoor units that can be connected to each outdoor unit ●: Connectable / -: Not connectable...
  • Page 9: Indoor Unit Connection Patterns

    1-1. Indoor unit connection patterns ¢ 2 rooms Outdoor unit: AOU18RLXFZH Room 1 Room 2 Total 7: 7,000Btu/h, 9: 9,000Btu/h, 12: 12,000Btu/h ¢ 3 rooms Outdoor unit: AOU24RLXFZH Room 1 Room 2 Room 3 Total — — — — — —...
  • Page 10: 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 11: 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 12 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 13: 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 14 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 15: 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 16: 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 17 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 18: 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 19 ¢ 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 20 ¢ 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 21 ¢ 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 - 15 -...
  • Page 22: 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 23  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 - 17 - 3-3. Wall mounted type 3. Dimensions...
  • Page 24 ¢ Model: ASU18RLF 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 - 18 - 3-3.
  • Page 25  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 - 19 - 3-3. Wall mounted type 3. Dimensions...
  • Page 26: 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 - 20 -...
  • Page 27: Wiring Diagrams

    4. Wiring diagrams 4-1. Compact cassette type ¢ Models: AUU7RLF, AUU9RLF, AUU12RLF, and AUU18RLF - 21 - 4-1. Compact cassette type 4. Wiring diagrams...
  • Page 28: Slim Duct Type

    4-2. Slim duct type ¢ Models: ARU7RLF, ARU9RLF, ARU12RLF, and ARU18RLF - 22 - 4-2. Slim duct type 4. Wiring diagrams...
  • Page 29: Wall Mounted Type

    4-3. Wall mounted type ¢ Models: ASU7RLF1, ASU9RLF1, ASU12RLF1, and ASU15RLF1 - 23 - 4-3. Wall mounted type 4. Wiring diagrams...
  • Page 30 ¢ Model: ASU18RLF - 24 - 4-3. Wall mounted type 4. Wiring diagrams...
  • Page 31: Floor Type

    4-4. Floor type ¢ Models: AGU9RLF, AGU12RLF, and AGU15RLF - 25 - 4-4. Floor type 4. Wiring diagrams...
  • Page 32: 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 33 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 34 ¢ 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 35 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 36 ¢ 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 37 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 38: 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 39 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 40 ¢ 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 41 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 42 ¢ 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 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) Side view...
  • Page 44 ¢ 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 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: 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 47 ¢ 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 48 ¢ 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 49 ¢ 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 50 ¢ 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 51: 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)
  • Page 52: 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 53  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]) - 47 - 6-1. Slim duct type 6.
  • Page 54 ¢ 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 55  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]) - 49 - 6-1. Slim duct type 6.
  • Page 56 ¢ 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 57  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]) - 51 - 6-1. Slim duct type 6.
  • Page 58 ¢ 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 59  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]) - 53 - 6-1. Slim duct type 6.
  • Page 60: 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 61: 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 - 55 - 7-2.
  • Page 62: 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 63: 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 - 57 - 7-4. Floor type 7. Airflow...
  • Page 64: 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 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 65 ¢ 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 66: Slim Duct Type

    8-2. Slim duct 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 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...
  • Page 67 ¢ Model: AUU12RLF  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 68: 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 69 ¢ 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 70 ¢ 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 71: 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 72 ¢ 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 73: Sound Level Check Point

    8-5. Sound level check point ¢ Compact cassette type Microphone Microphone - 67 - 8-5. Sound level check point 8. Noise level curve...
  • Page 74 ¢ 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 75: 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 76: Safety Devices

    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 77: 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 78  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 79  Optional part Indoor unit type Parts name Model name Compact cassette UTY-XWZX Slim duct UTD-ECS5A ASU7RLF1, ASU9RLF1, ASU12RLF1, External connect kit 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 80: 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...
  • Page 81  Optional part Indoor unit type Parts name Model name Compact cassette UTY-XWZX Slim duct UTD-ECS5A ASU7RLF1, ASU9RLF1, ASU12RLF1, External connect kit UTY-XWZXZ5 ASU15RLF1 Wall mounted ASU18RLF UTY-XWZX Floor AGU9RLF, AGU12RLF, AGU15RLF UTY-XWZXZ5 Indoor unit type Parts name Model name Compact cassette —...
  • Page 82 ¢ 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 83 ¢ 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 84 • 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 85 ¢ 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 86  Optional part Indoor unit type Parts name Model name Compact cassette — — Slim duct — — ASU7RLF1, ASU9RLF1, ASU12RLF1, External connect kit UTY-XWZXZ5 ASU15RLF1 Wall mounted ASU18RLF — — Floor AGU9RLF, AGU12RLF, AGU15RLF External connect kit UTY-XWZXZ5 Indoor unit type Parts name Model name Compact cassette...
  • Page 87: 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 88: 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 89 • 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 90: 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 93. Select the function number “00” (Remote controller address setting), and then select any of the number (Setting value) from 00 to 15.
  • Page 91: Remote Controller

    13. Remote controller 13-1. Wireless remote controller (UTY-LNHUM) ¢ 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.
  • Page 92 ¢ 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 93: 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 94 ¢ 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 95: 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 96 ¢ 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 97 ¢ 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 Pattern C Floor type ...
  • Page 98 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. CNC01 (for ASU7/9/12/15RLF1: UTY-XCBXZ2) CND01 (for ASU7/9/12/15RLF1: UTY-XCBXZ2) Terminal (*2)
  • Page 99: 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 100: 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 101 ¢ AR-RAH2E/AR-RAH1E  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 102 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 103 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 104  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 105  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 106 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 107 ¢ 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 108 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 109 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 110  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 111  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 112  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”.): - 106 - 14-2. Indoor unit (setting by wireless remote controller) 14. Function settings...
  • Page 113: 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 114 ¢ 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 115 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 116: 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 117 ¢ 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 118 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 119  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 120: 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 121 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 122 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 123 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 124 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 125: 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 126  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 127: 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 128: 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 129: 15-2.slim Duct Type

    15-2. 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 B (large) Coupler heat insulation Remote controller...
  • Page 130: 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 131 ¢ Model: ASU18RLF 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 - 125 - 15-3.
  • Page 132: 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 - 126 -...
  • Page 133: Optional Parts

    16. Optional parts 16-1. Controllers ¢ Lineup Type Simple Wired remote Wireless remote IR receiver Indoor unit type remote controller controller unit controller UTY-RNNUM UTY-LNHUM AR-REG1U UTY-LRHUM UTY-RSNUM Compact cassette ● ◌ — — ◌ Slim duct ● — — ◌...
  • Page 134: 16-2.cassette Grille

    16-2. Cassette grille ¢ Lineup Indoor unit type Model Compact cassette UTG-CCGF ¢ Part Cassette grille UTG-CCGF - 128 - 16-2. Cassette grille 16. Optional parts...
  • Page 135: 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 136 ¢ 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 137: 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 138: 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 139 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 140 - 134 - 17-2. Points to remember when installing 17. Indoor unit installation precautions...
  • Page 141: Part 2. Outdoor Unit (2 Rooms Type)

    Part 2. OUTDOOR UNIT (2 ROOMS TYPE) MULTI TYPE: AOU18RLXFZH...
  • Page 142: Specifications

    1. Specifications 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 × 2 ARU9RLF ×...
  • Page 143: Dimensions

    2. Dimensions 2-1. Model: AOU18RLXFZH 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) - 137 - 2-1.
  • Page 144: 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.
  • Page 145  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 146  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 147: Refrigerant Circuit

    4. Refrigerant circuit 4-1. Model: AOU18RLXFZH - 141 - 4-1. Model: AOU18RLXFZH 4. Refrigerant circuit...
  • Page 148: Wiring Diagram

    5. Wiring diagram 5-1. Model: AOU18RLXFZH - 142 - 5-1. Model: AOU18RLXFZH 5. Wiring diagram...
  • Page 149: Capacity Table

    6. Capacity table 6-1. Combinations ¢ Model: AOU18RLXFZH  Cooling 1) Non-ducted Rated capacity for each in- Maximum capacity for each Total capacity Combination of indoor unit Input power (kW) door unit (kBtu/h) indoor unit (kBtu/h) (kBtu/h) Room 1 Room 2 Total Room 1 Room 2...
  • Page 150  Heating 1) Non-ducted Rated capacity for each in- Maximum capacity for each in- Total capacity Combination of indoor unit Input power (kW) door unit (kBtu/h) door unit (kBtu/h) (kBtu/h) Room 1 Room 2 Total Room 1 Room 2 Room 1 Room 2 Min.
  • Page 151: 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 152  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 153  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 154  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 155  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 156: 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: 24.6 ft (7.5 m), Height difference: 0 ft (0 m) [Outdoor unit—Indoor unit] ...
  • Page 157  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 158  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 159  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 160  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 161: 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 162 ¢ 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 163: 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 0.21 oz/ft 30 or less 50 (Max.) lb oz 7.1 oz 14.1 oz (20 g/m) Additional charge...
  • Page 164: Airflow

    9. Airflow 9-1. Model: AOU18RLXFZH  Cooling 2,800 1,647  Heating 2,800 1,647 - 158 - 9-1. Model: AOU18RLXFZH 9. Airflow...
  • Page 165: 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 166: Electrical Characteristics

    11. Electrical characteristics Model name Item Unit 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 de- vices complied to the regional standard.
  • Page 167: Safety Devices

    12. Safety devices Model Type of protection Protection form AOU18RLXFZH 250 V, 5 A Current fuse (Main PCB) 250 V, 3.15 A Circuit protection Current fuse 250 V, 10 A (Near the terminal) 251 ±16 °F Activate (122 ±9 °C) Fan motor stop Fan motor protection Temperature thermistor...
  • Page 168: Accessories

    13. Accessories Part name Exterior Q’ty Part name Exterior Q’ty Installation manual - 162 - 13. Accessories...
  • Page 169: Outdoor Unit Installation Precautions

    14. Outdoor unit installation precautions NOTE: The information listed below are general precautions. Some models also include items that do not apply. 14-1. Points to remember when installing • The product shall be installed at a place which can withstand the weight and vibration of the out- door unit.
  • Page 170 - 164 - 14-1. Points to remember when installing 14. Outdoor unit installation precautions...
  • Page 171: Part 3. Outdoor Unit (3 Rooms Type)

    Part 3. OUTDOOR UNIT (3 ROOMS TYPE) MULTI TYPE: AOU24RLXFZH...
  • Page 172: Specifications

    1. Specifications 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 ASU9RLF1 + ASU7RLF1 ×...
  • Page 173: 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) - 167 - 2-1.
  • Page 174: 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.
  • Page 175  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 176  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 177: Refrigerant Circuit

    4. Refrigerant circuit 4-1. Model: AOU24RLXFZH - 171 - 4-1. Model: AOU24RLXFZH 4. Refrigerant circuit...
  • Page 178: Wiring Diagram

    5. Wiring diagram 5-1. Model: AOU24RLXFZH - 172 - 5-1. Model: AOU24RLXFZH 5. Wiring diagram...
  • Page 179: Capacity Table

    6. Capacity table 6-1. Combinations ¢ Model: AOU24RLXFZH  Cooling 1) Non-ducted Rated capacity for each indoor Maximum capacity for each in- Total capacity Combination of indoor unit Input power (kW) unit (kBtu/h) door unit (kBtu/h) (kBtu/h) Room 1 Room 2 Room 3 Total Room 1...
  • Page 180  Heating 1) Non-ducted Rated capacity for each indoor Maximum capacity for each in- Total capacity Combination of indoor unit Input power (kW) unit (kBtu/h) door unit (kBtu/h) (kBtu/h) Room 1 Room 2 Room 3 Total Room 1 Room 2 Room 3 Room 1 Room 2...
  • Page 181: 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 182  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 183  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 184  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 185  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 186  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 187  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 188  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 189  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 190  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 191  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 192: 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: 24.6 ft (7.5 m), Height difference: 0 ft (0 m) [Outdoor unit—Indoor unit] ...
  • Page 193  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 194  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 195  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 196  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 197  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 198  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 199  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 200  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 201  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 202  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 203: 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 204 ¢ 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 205 ¢ 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 206: 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 0.21 oz/ft 30 or less 70 (Max.) lb oz 7.1 oz 14.1 oz 21.2 oz 28.2 oz...
  • Page 207: Airflow

    9. Airflow 9-1. Model: AOU24RLXFZH  Cooling 3,300 1,942  Heating 3,300 1,942 - 201 - 9-1. Model: AOU24RLXFZH 9. Airflow...
  • Page 208: 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 209: Electrical Characteristics

    11. Electrical characteristics Model name Item Unit 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 de- vices complied to the regional standard.
  • Page 210: Safety Devices

    12. Safety devices Model Type of protection Protection form AOU24RLXFZH 250 V, 5 A Current fuse (Main PCB) 250 V, 3.15 A Circuit protection Current fuse 250 V, 10 A (Near the terminal) 251 ±16 °F Activate (122 ±9 °C) Fan motor stop Fan motor protection Temperature thermistor...
  • Page 211: Accessories

    13. Accessories Part name Exterior Q’ty Part name Exterior Q’ty Adapter assy Installation manual 1/2 in → 3/8 in (12.70 mm) → (9.52 mm) - 205 - 13. Accessories...
  • Page 212: Outdoor Unit Installation Precautions

    14. Outdoor unit installation precautions NOTE: The information listed below are general precautions. Some models also include items that do not apply. 14-1. Points to remember when installing • The product shall be installed at a place which can withstand the weight and vibration of the out- door unit.

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