Page 1 AIR CONDITIONER Multi: 4 rooms type DESIGN & TECHNICAL MANUAL For Extra Cold Climate Area AUU7/9/12/18RLF ARU7/9/12RLF ARU18RLF ARU24RLF INDOOR ASU7/9/12/15RLF1 ASU18/24RLF AGU9/12/15RLF OUTDOOR AOU36RLXFZH DR_MU001EF_03 2016.09.23...
Page 2 Notices: • Product specifications and design are subject to change without notice for future improvement. • For further details, please check with our authorized dealer. Copyright © 2016 Fujitsu General Limited. All rights reserved.
Page 3: Table Of Contents
CONTENTS Part 1. INDOOR UNIT ................1 1. Product features ..................2 1-1. Model lineup ......................2 1-2. Features ........................4 1-3. Control system design .....................13 1-4. Outdoor unit ......................14 2. Remote controller ..................16 2-1. Wireless remote controller (UTY-LNHUM) ..............16 2-2. Wireless remote controller (AR-REG1U) ..............19 2-3.
Page 4 CONTENTS (continued) 9-2. Slim duct type ......................106 9-3. Wall mounted type ....................109 9-4. Floor type ......................112 9-5. Sound level check point ..................114 10. Electrical characteristics ..............116 11. Safety devices ..................117 12. External input and output ..............118 12-1.External input ......................
Page 5 CONTENTS (continued) Part 2. OUTDOOR UNIT ..............173 1. Specifications ..................174 1-1. Model: AOU36RLXFZH ..................174 2. Dimensions ..................175 2-1. Model: AOU36RLXFZH ..................175 3. Installation space .................176 3-1. Model: AOU36RLXFZH ..................176 4. Refrigerant circuit ................179 4-1. Model: AOU36RLXFZH ..................179 5. Wiring diagram ..................180 5-1.
Page 6 CONTENTS (continued) 17-1.Outdoor unit installation precautions ..............252...
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: Product Features
1. Product features Implemented core technology provides easy-to-use product operations that realize a comfortable space. 1-1. Model lineup Indoor unit AUU7RLF ARU7RLF AUU9RLF ARU9RLF ARU18RLF AUU12RLF ARU12RLF AUU18RLF ASU7RLF1 ASU9RLF1 ASU18RLF ARU24RLF ASU12RLF1 ASU24RLF ASU15RLF1 AGU9RLF AGU12RLF AGU15RLF Outdoor unit AOU36RLXFZH ...
Page 9  Indoor unit connection patterns  4 rooms AOU36RLXFZH Room 1 Room 2 Room 3 Room 4 Total — — — — — — — — — — — — — — — — — — — — — — —...
Page 10: Features
1-2. Features  Compact cassette type  Models: AUU7RLF, AUU9RLF, AUU12RLF, and AUU18RLF • 2-stage turbo fan High efficiency design by 2 stage structure Previous turbo fan 2-stage turbo fan Wind In the case of a A evenly spread air distribution across...
Page 11 • Compact design Easy installation by taking off ceiling panel of 23-5/8 in × 23-5/8 in (600 mm × 600 mm) size. 22-7/16 in. (570 mm) 22-7/16 in. (570 mm) • High lift drain pump 27-9/16 in (700 mm) - 5 -...
Page 12  Slim duct type  Models: ARU7RLF, ARU9RLF, ARU12RLF, ARU18RLF, and ARU24RLF Slim design and wide range of static pressure for flexible installation. • Slim design This model is slim design, it can install at the place where a ceiling is narrow. Drain port Height 7-13/16 in...
Page 13 • Flexible installation Ceiling concealed Wall concealed • Filter (Accessory) Filter (ARU07/09/12/18: 2pcs.) (ARU24: 3pcs.) - 7 -...
Page 14  Wall mounted type  Models: ASU7RLF1, ASU9RLF1, ASU12RLF1, and ASU15RLF1 • High efficient compact design • More comfortable airflow Making the tube thin: Thin: 0.276inch (7mm) ▼ 0.197inch (5mm) Volume reduction of heat exchanger: • Quiet operation Airflow mode can be set in 4 steps and more detailed airflow setting is possible. 21 dB only at cooling operation (22 dB at heating operation).
Page 15  Models: ASU18RLF and ASU24RLF Simple and elegant appearance design • Compact and slim design 39-5/16 in (998 mm) • “Vertical airflow” provides powerful floor level heating ft (m) 7 (2.1) (24/30) 3 (1) 10 (3) 20 (6) 30 (9) 40 (12) ft (m) Outside air conditions: 35.6 Outsid...
Page 16 • Air conditioner filter features Ion deodorization filter Organic coating fin used heat exchanger Apple-catechin filter Air filter Long-life* Ion deodorization filter The filter deodorizes by powerfully decomposing absorbed odors using the oxidizing and re- ducing effects of ions generated by the ultra-fine-particle ceramic. (*The filter can be used for approx.
Page 17  Floor type  Models: AGU9RLF, AGU12RLF, and AGU15RLF • 2-fan and wide airflow Heating Prevents cold Window Cooling Prevents cold air draft from from falling window at operation at operation at stable at stable start start operation operation • Flexible and easy installation Unit: in (mm) Beneath Standard concave...
Page 18 • Easy maintenance Removable and washable panel • Flexible piping connection 6 directions of drain and piping Back view Drain hose Piping - 12 -...
Page 19: Control System Design
1-3. Control system design  Advanced integrated control system Air conditioning Air conditioning System central control individual control Outdoor unit Wired remote controller UTY-RNNUM Central remote controller UTY-DMMUM Simple remote controller UTY-RSNUM Wireless remote controller Transmission line UTY-LNHUM AR-REG1U Remote controller line Central remote controller line IR receiver unit...
Page 20: Outdoor Unit
1-4. Outdoor unit  Simple system from installation to management New system can decrease other unit than previous system. And total management can be done by only one optional controller. New multi system Central remote controller (Option) • Decrease outdoor units •...
Page 21  Easy installation By using centralized valve method, new outdoor unit can be done vacuuming and opening valve only one time. Previous multi system New multi system • Required vacuuming up to 4* times • Required vacuuming only one time *: In the case of 4 rooms multi system.
Page 22: Remote Controller
2. Remote controller 2-1. Wireless remote controller (UTY-LNHUM)  Features • 4 kinds of timer setup (on/off/program/sleep) are possible. • Can be used jointly with wired remote controllers. • Easy to change custom code (max. 4 custom codes) by button operation. ...
Page 23  Overview a FAN button Selects the fan speed (AUTO, HIGH, MED, LOW, and QUIET). b START/STOP button Starts and stops operation. c SET button (vertical) Adjusts the vertical airflow direction. d SET button (horizontal) Adjusts the horizontal airflow direction. e SWING button Sets the automatic swing operation and selects swing mode (Up/down, Left/right, Up/down/left/right, and Stop...
Page 24  Specifications  Controller Unit: in (mm) Top view 3/4 (19) 2-3/16 (56) Front view Side view Rear view Size (H × W × D) in (mm) 6-11/16 × 2-3/16 × 3/4 (170 × 56 × 19) Weight oz (g) 3 (85) (without batteries) ...
Page 25: Wireless Remote Controller (Ar-Reg1U)
2-2. Wireless remote controller (AR-REG1U)  Features • 4-mode timer setup (on, off, program, and sleep) available. • Easy operation. • Easy to change custom code (max. 4 custom code). • Can be used jointly with wired remote controllers. REG1U ...
Page 26  Switching remote controller custom code Code selector switch eliminates unit being wrongly switched. (Up to 4 codes can be set.) After code change Mixed-up I.U. I.U. I.U. I.U. I.U. I.U. I.U. I.U. * I.U.: Indoor unit  Temperature unit switchable Easy to change the temperature unit between °F and °C by button operation.
Page 27  Overview  AR-REG1U Signal transmitter MODE button FAN button MIN. HEAT button TEMP. ECONOMY button SWING button button SET button POWERFUL button ON TIMER button REG1U OFF TIMER button Start/Stop button REG1U TIMER SELECT button RESET button SLEEP TIMER button °C / °F switching button TIMER CANCEL button CLOCK ADJUST button...
Page 28  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 29: Wired Remote Controller (Uty-Rnnum)
2-3. Wired remote controller (UTY-RNNUM)  Features • Various timer setup available (on, off, and weekly). • Equipped with weekly timer as standard function. (Start/stop function is twice per day for a week.) • When setting up the timer, operation mode and temperature setup can be changed.
Page 30  Easy-to-understand operation [Variable timer control] The operation/display sections are zoned according to time and operation, enabling variable programming to match application. Timer Operation area area  Simple installation Components are compatible with standard switch boxes. Flat-back surface allows equipment to be installed wherever it is needed.
Page 31  Overview a START/STOP button Starts and stops operation. b SET TEMP. button Selects the setting temperature. c MODE button Selects the operating mode (AUTO HEAT ,FAN , COOL , and DRY d FAN button Selects the fan speed AUTO ,QUIET , MED , and HIGH...
Page 32  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 33  Installation  Connection pattern NOTE: Connection pattern is different according to type of Indoor unit. Indoor unit types Connection pattern Compact cassette type Pattern A Slim duct type ASU7RLF1, ASU9RLF1, ASU12RLF1, Pattern B and ASU15RLF1 Wall mounted type ASU18RLF and ASU24RLF Pattern C Floor type ...
Page 34  Pattern B 1. Modify the remote controller cable as follows: • Use a tool to cut off the terminal on the end of the remote controller cable and then remove the insulation from the cut end of the cable as shown in following figure. •...
Page 35  Pattern C 1. Modify the remote controller cable as follows: • Use a tool to cut off the terminal on the end of the remote controller cable and then remove the insulation from the cut end of the cable as shown in following figure. •...
Page 36: Simple Remote Controller (Uty-Rsnum)
2-4. Simple remote controller (UTY-RSNUM)  Features • Easy operation. • Built-in backlight function. • Easy installation with a slim shape with no bulge in the back. • Error history. (Last 16 error codes can be accessed.) • Can be installed onto switch box. (applies to European and other country's standard) ...
Page 37  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 m) Primary Secondary Remote controller Remote controllers  Electrical wiring 1 remote controller 2 remote controllers Indoor unit Indoor unit Remote...
Page 38  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 ). e SET TEMP. button Selects the setting temperature.
Page 39  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 40  Installation  Connection pattern NOTE: Connection pattern is different according to type of Indoor unit. Indoor unit types Connection pattern Compact cassette type Pattern A Slim duct type ASU7RLF1, ASU9RLF1, ASU12RLF1, Pattern B and ASU15RLF1 Wall mounted type ASU18RLF and ASU24RLF Pattern C Floor type ...
Page 41  Pattern B 1. Modify the remote controller cable as follows: • Use a tool to cut off the terminal on the end of the remote controller cable and then remove the insulation from the cut end of the cable as shown in following figure. •...
Page 42  Pattern C 1. Modify the remote controller cable as follows: • Use a tool to cut off the terminal on the end of the remote controller cable and then remove the insulation from the cut end of the cable as shown in following figure. •...
Page 43: Central Remote Controller (Uty-Dmmum)
2-5. Central remote controller (UTY-DMMUM)  Features • Large and full-dot liquid crystal screen. • The backlit LCD enables easy operation in a dark room. • Wide and large keys easy to press, user-intuitive arrow key.  Central and individual control The temperature, airflow volume, and remote control prohibition settings of all indoor units can be batched.
Page 44  Minimum heat (All) operation While this function is selected, all indoor units start the minimum heat operation when all the in- door units are stopped by operation of the [On/Off button]. All indoor units “All MIN. HEAT” operation °F ( 21 ) °C Indoor unit...
Page 45  Electrical wiring Example: Wiring diagram when 3 indoor units are connected. Indoor unit Indoor unit Indoor unit Central remote controller Outdoor unit NOTE: Maximum length of remote controller cable is 1,650 ft (500 m). - 39 -...
Page 46  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  Specifications Dimensions and other specifications on the wired remote controller are as follows. Unit: in (mm) 1-3/16 1-5/16...
Page 47  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. Hooks (2 places) Rear case Front case...
Page 48 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 49: Specifications
3. Specifications 3-1. Compact cassette type Model name AUU7RLF AUU9RLF AUU12RLF AUU18RLF Power supply 208/230 V ~ 60 Hz Available voltage range 187—264 V Capacity Btu/h class 7,000 9,000 12,000 18,000 Input power Running current 0.15 0.15 0.19 0.30 HIGH...
Page 50: Slim Duct Type
3-2. Slim duct type Model name ARU7RLF ARU9RLF ARU12RLF Power supply 208/230 V ~ 60 Hz Available voltage range 187—264 V Capacity Btu/h class 7,000 9,000 12,000 Input power Running current 0.30 0.30 0.35 HIGH 324 (550) 353 (600) 383 (650) 288 (490) 324 (550) 353 (600)
Page 51 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 52: Wall Mounted Type
3-3. Wall mounted type Model name ASU7RLF1 ASU9RLF1 ASU12RLF1 ASU15RLF1 Power supply 208/230 V ~ 60 Hz Available voltage range 187—264 V Capacity Btu/h class 7,000 9,000 12,000 14,000 Input power Running current 0.13 0.15 0.19 0.25 HIGH 330 (560) 353 (600) 388 (660) 430 (730)
Page 53 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 54: Floor Type
3-4. Floor type Model name AGU9RLF AGU12RLF AGU15RLF Power supply 208/230 V ~ 60 Hz Available voltage range 187—264 V Capacity Btu/h class 9,000 12,000 14,000 Input power Running current 0.15 0.18 0.20 HIGH 312 (530) 353 (600) 383 (650) 259 (440) 288 (490) 306 (520)
Page 55: Dimensions
4. Dimensions 4-1. Compact cassette type  Models: AUU7RLF, AUU9RLF, AUU12RLF, and AUU18RLF Unit: in. (mm) • Cassette grille mounting state 20-7/8 (530): Hanging bolt position 5-5/16 9-13/16 (250) (135) op view Be sure to leave Maintenance space maintenance space...
Page 56  Installation space Unit: in (mm) Strong and durable ceiling 11 (262) or more 40 (1,000) 40 (1,000) or more or more 95 (2,400) or more Obstruction Floor Maximum height from floor to ceiling (Unit: mm) Model name AUU7 AUU9 AUU12 AUU18 Standard mode...
Page 57: Slim Duct Type
4-2. Slim duct type  Models: ARU7RLF, ARU9RLF, and ARU12RLF Unit: in (mm) 2 (51) 22-5/8 (574) View A Rear view (Drain hose) Drain port 3-15/16 (100) x 6 = 23-5/8 (600) 1-7/8 (47) 25-9/16 (650) 2-3/16 (55) 3-1/16 (78) 28-7/8 (734) 3-1/2 (89) 1-7/8 (48)
Page 58  Model: ARU18RLF Unit: in (mm) 2 (51) 30-1/2 (774) Rear view View A (Drain hose) Drain port 1-7/8 (47) 3-15/16 (100) x 8 = 31-1/2 (800) 2-3/16 (55) 3-1/16 (78) 33-7/16 (850) 3-1/2 (89) 36-3/4 (934) 3-7/16 (87) 4-11/16 (119) Top view 6-9/16 (167) 2-3/16 (56)
Page 59  Model: ARU24RLF Unit: in (mm) 38-3/8 (974) 2 (51) Rear view View A (Drain hose) Drain port 3-15/16 (100) x 10 = 39-3/8 (1,000) 1-7/8 (47) 2-3/16 (55) 3-1/16 (78) 41-5/16 (1,050) 44-5/8 (1,134) 3-1/2 (89) 4-11/16 (119) 3-7/16 (87) Top view 6-9/16 (167) 2-3/16 (56)
Page 60  Installation space Unit: in (mm) 12 (300) or more Strong and durable ceiling 1 (20) or more Indoor unit Left Right side side 1 (20) or more 12 (300) 4 (100) Service access Ceiling or more or more Floor Unit: in (mm) 1 (10) 1 (10)
Page 61  Maintenance space Provide a service access for inspection purposes as shown below. Do not place any wiring or illumination in the service space, as they will impede service. Unit: in (mm) Service access Unit Control 12 (300) or more Service space - 55 -...
Page 62: Wall Mounted Type
4-3. Wall mounted type  Models: ASU7RLF1, ASU9RLF1, ASU12RLF1, and ASU15RLF1 Unit: in (mm) 33-1/16 (840) 8 (203) (33-1/16 (840)) 13-7/8 (353) 3-1/16 (78) 1-3/4 (45) 14-5/16 (364) Ø2-9/16 (Ø65) Ø2-9/16 (Ø65) for pipe inlet for pipe inlet 3-7/16 4-9/16 12-3/8 (315) 12-5/8 (321) (88)
Page 63  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 - 57 -...
Page 64  Models: ASU18RLF and ASU24RLF Unit: in (mm) 39-5/16 (998) 20-1/2 (520) 23-1/4 (590) 9 (228) 1 (25) 28-3/8 (721) 20-1/2 (520) Unit center Outline of unit 1-1/8 (28) 2-5/8 (67) 35-9/16 (903) 13/16 (20) 15-5/8 (397) 17-1/4 (438) Ø 3-1/8 (80) hole Ø...
Page 65  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 - 59 -...
Page 66: Floor Type
4-4. Floor type  Models: AGU9RLF, AGU12RLF, and AGU15RLF Unit: in (mm) 7-7/8 (200) 29-1/8 (740) Side view Front view  Installation space Unit: in (mm) 4 (100) or more 4 (80) or more 4 (80) or more 2 (50) or more 4 (100) or below from the floor...
Page 67: Wiring Diagrams
5. Wiring diagrams 5-1. Compact cassette type  Models: AUU7RLF, AUU9RLF, AUU12RLF, and AUU18RLF - 61 -...
Page 68: Slim Duct Type
5-2. Slim duct type  Models: ARU7RLF, ARU9RLF, ARU12RLF, ARU18RLF, and ARU24RLF - 62 -...
Page 69: Wall Mounted Type
5-3. Wall mounted type  Models: ASU7RLF1, ASU9RLF1, ASU12RLF1, and ASU15RLF1 - 63 -...
Page 70  Models: ASU18RLF and ASU24RLF - 64 -...
Page 71: Floor Type
5-4. Floor type  Models: AGU9RLF, AGU12RLF, and AGU15RLF - 65 -...
Page 72: Air Velocity And Temperature Distributions
6. Air velocity and temperature distributions 6-1. Compact cassette type  Models: AUU7RLF and AUU9RLF • Air velocity distribution Fan speed Operation mode Measuring conditions HIGH (ft) Unit: ft/s (m/s) 1 (0.25) 2 (0.5) 3 (1.0) 7 (2.0) 3 (1.0) 7 (2.0)
Page 73 Fan speed Operation mode Outlet directions Measuring conditions NOTE: Reference data HIGH HEAT 4-way air outlet • Air velocity distribution (ft) Unit: ft/s (m/s) 7 (2.0) 7 (2.0) 5 (1.5) 5 (1.5) 3 (1.0) 3 (1.0) Side view 2 (0.5) 2 (0.5) Vertical airflow direction louver: Down 1 (0.25)
Page 74  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 75 Fan speed Operation mode Outlet directions Measuring conditions NOTE: Reference data HIGH HEAT 4-way air outlet • Air velocity distribution Unit: ft/s (m/s) (ft) 5 (1.5) 5 (1.5) Side view 3 (1.0) 3 (1.0) Vertical airflow direction louver: Down 2 (0.5) 2 (0.5) 1 (0.25) 1 (0.25)
Page 76  Model: AUU18RLF • Air velocity distribution Fan speed Operation mode Measuring conditions HIGH (ft) Unit: ft/s (m/s) 1 (0.25) 2 (0.5) 3 (1.0) 7 (2.0) 7 (2.0) 1 (0.25) Top view 2 (0.5) 3 (1.0) 2 (0.5) 3 (1.0) Vertical airflow direction louver: Up 1 (0.25) 7 (2.0)
Page 77 Fan speed Operation mode Outlet directions Measuring conditions NOTE: Reference data HIGH HEAT 4-way air outlet • Air velocity distribution Unit: ft/s (m/s) (ft) 7 (2.0) 7 (2.0) 5 (1.5) 5 (1.5) 3 (1.0) 3 (1.0) Side view Vertical airflow direction louver: Down 2 (0.5) 2 (0.5) 1 (0.25)
Page 78: Slim Duct Type
6-2. Slim duct type  Model: ARU7RLF NOTE: This data is measured after installing optional Auto louver grille kit. Fan speed Operation mode Measuring conditions HIGH • Air velocity distribution (ft) Unit: ft/s (m/s) Top view 7 (2) 3 (1) Vertical airflow direction louver: Up 2 (0.5) Horizontal airflow direction louver: Center...
Page 79 Fan speed Operation mode Measuring conditions HIGH HEAT • Air velocity distribution (ft) Unit: ft/s (m/s) 7 (2) Side view Vertical airflow direction louver: Down 3 (1) Horizontal airflow direction louver: Center 2 (0.5) (ft) • Air temperature distribution (ft) Unit: °F (°C) 86 (30) 82 (28)
Page 80  Model: ARU9RLF NOTE: This data is measured after installing optional Auto louver grille kit. Fan speed Operation mode Measuring conditions HIGH • Air velocity distribution (ft) Unit: ft/s (m/s) Top view Vertical airflow direction louver: Up 3 (1) 7 (2) 2 (0.5) Horizontal airflow direction louver: Center (ft)
Page 81 Fan speed Operation mode Measuring conditions HIGH HEAT • Air velocity distribution (ft) Unit: ft/s (m/s) 7 (2) Side view Vertical airflow direction louver: Down Horizontal airflow direction louver: Center 3 (1) 2 (0.5) (ft) • Air temperature distribution (ft) Unit: °F (°C) 86 (30) Side view...
Page 82  Model: ARU12RLF NOTE: This data is measured after installing optional Auto louver grille kit. Fan speed Operation mode Measuring conditions HIGH • Air velocity distribution (ft) Unit: ft/s (m/s) Top view Vertical airflow direction louver: Up 7 (2) 3 (1) 2 (0.5) Horizontal airflow direction louver: Center (ft)
Page 83 Fan speed Operation mode Measuring conditions HIGH HEAT • Air velocity distribution (ft) Unit: ft/s (m/s) 7 (2) Side view Vertical airflow direction louver: Down 3 (1) Horizontal airflow direction louver: Center 2 (0.5) (ft) • Air temperature distribution (ft) Unit: °F (°C) 86 (30) Side view...
Page 84  Model: ARU18RLF NOTE: This data is measured after installing optional Auto louver grille kit. Fan speed Operation mode Measuring conditions HIGH • Air velocity distribution (ft) Unit: ft/s (m/s) Top view 7 (2) Vertical airflow direction louver: Up 3 (1) 2 (0.5) Horizontal airflow direction louver: Center (ft)
Page 85 Fan speed Operation mode Measuring conditions HIGH HEAT • Air velocity distribution (ft) Unit: ft/s (m/s) 7 (2) Side view Vertical airflow direction louver: Down Horizontal airflow direction louver: Center 3 (1) 2 (0.5) (ft) • Air temperature distribution (ft) Unit: °F (°C) 86 (30) Side view...
Page 86  Model: 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) Vertical airflow direction louver: Up 7 (2) 2 (0.5) Horizontal airflow direction louver: Center (ft)
Page 87 Fan speed Operation mode Measuring conditions HIGH HEAT • Air velocity distribution (ft) Unit: ft/s (m/s) Side view 7 (2) Vertical airflow direction louver: Down Horizontal airflow direction louver: Center 3 (1) 2 (0.5) (ft) • Air temperature distribution (ft) Unit: °F (°C) 86 (30) Side view...
Page 88: Wall Mounted Type
6-3. Wall mounted type  Model: 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 89  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 90  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 91  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 92  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 93  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 94 (ft) Unit: ft/s (m/s) 7 (2.0) Side view Vertical airflow direction louver: Down Horizontal airflow direction louver: Center 3 (1.0) 2 (0.5) (ft) - 88 -...
Page 95: Floor Type
6-4. Floor type  Models: AGU9RLF, AGU12RLF, and AGU15RLF Fan speed Operation mode Fan select Measuring conditions HIGH Upper and lower (ft) Unit: ft/s (m/s) 3(1.0) 2(0.5) Top view Vertical airflow direction louver: Up Horizontal airflow direction louver: Center UPPER LOWER (ft) Unit: ft/s (m/s)
Page 96: Fan Performance
7. Fan performance 7-1. Slim duct type  Model: ARU7RLF 0.44 (110) 0.40 (100) Hi (SP mode 09) 0.36 (90) SP mode 09 upper limit 0.32 (80) 0.28 (70) Quiet (SP mode 09) SP mode 09 0.24 (60) lower limit 0.20 (50) 0.16 (40) Normal SP...
Page 97  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]) - 91 -...
Page 98  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 99  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]) - 93 -...
Page 100  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 101  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]) - 95 -...
Page 102  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 103  Characteristics of air volume and capacity • Cooling Capacitty (800) (900) (1,000) (1,100) (700) Airflow (CFM [m 3 /h]) • Heating Capacitty (800) (900) (1,000) (1,100) (700) Airflow (CFM [m 3 /h]) - 97 -...
Page 104  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 105  Characteristics of air volume and capacity • Cooling Capacitty (1,100) (1,000) (1,200) (1,300) (1,400) (1,500) (1,600) (800) (900) Airflow (CFM [m 3 /h]) • Heating Capacitty (1,100) (1,200) (1,300) (1,500) (800) (900) (1,000) (1,400) (1,600) Airflow (CFM [m 3 /h]) - 99 -...
Page 106: Airflow
• 3.6 m /h = 1 l/s • 1.699 m /h = 1 CFM 8-1. Compact cassette type Airflow Operation Model Fan speed mode High Cooling Quiet AUU7RLF High Heating Quiet High Cooling Quiet AUU9RLF High Heating Quiet High Cooling...
Page 107: Slim Duct Type
8-2. Slim duct type Airflow Operation Model Fan speed mode High Cooling Quiet ARU7RLF High Heating Quiet High Cooling Quiet ARU9RLF High Heating Quiet High Cooling Quiet ARU12RLF High Heating Quiet High Cooling Quiet ARU18RLF High Heating Quiet High 1,330 1,240 Cooling 1,100...
Page 108: Wall Mounted Type
8-3. Wall mounted type Airflow Operation Model Fan speed mode High Cooling Quiet ASU7RLF1 High Heating Quiet High Cooling Quiet ASU9RLF1 High Heating Quiet High Cooling Quiet ASU12RLF1 High Heating Quiet High Cooling Quiet ASU15RLF1 High Heating Quiet High Cooling Quiet ASU18RLF High...
Page 109: Floor Type
8-4. Floor type Airflow Operation Model Fan speed mode High Cooling Quiet AGU9RLF High Heating Quiet High Cooling Quiet AGU12RLF High Heating Quiet High Cooling Quiet AGU15RLF High Heating Quiet - 103 -...
Page 110: Noise Level Curve
9. Noise level curve 9-1. Compact cassette type  Model: AUU7RLF  Cooling  Heating NC-65 NC-65 NC-60 NC-60 NC-55 NC-55 NC-50 NC-50 NC-45 NC-45 High NC-40 NC-40 High NC-35 NC-35 NC-30 NC-30 NC-25 NC-25 NC-20 NC-20 NC-15 NC-15 1,000...
Page 111  Model: AUU12RLF  Cooling  Heating NC-65 NC-65 NC-60 NC-60 NC-55 NC-55 NC-50 NC-50 H igh NC-45 NC-45 H igh NC-40 NC-40 NC-35 NC-35 NC-30 NC-30 NC-25 NC-25 Quiet Quiet NC-20 NC-20 NC-15 NC-15 1,000 2,000 4,000 8,000 1,000 2,000 4,000 8,000...
Page 112: Slim Duct Type
9-2. Slim duct type  Model: ARU7RLF  Cooling  Heating NC-65 NC-65 NC-60 NC-60 NC-55 NC-55 NC-50 NC-50 NC-45 NC-45 NC-40 NC-40 NC-35 NC-35 High High NC-30 NC-30 NC-25 NC-25 NC-20 NC-20 NC-15 NC-15 1,000 2,000 4,000 8,000 1,000 2,000 4,000 8,000...
Page 113  Model: ARU12RLF  Cooling  Heating NC-65 NC-65 NC-60 NC-60 NC-55 NC-55 NC-50 NC-50 NC-45 NC-45 NC-40 NC-40 NC-35 NC-35 H igh NC-30 H igh NC-30 NC-25 NC-25 Quiet Quiet NC-20 NC-20 NC-15 NC-15 1,000 2,000 4,000 8,000 1,000 2,000 4,000 8,000...
Page 114  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 NC-40 H igh H igh NC-35 NC-35 NC-30 NC-30 Quiet Quiet NC-25 NC-25 NC-20 NC-20 NC-15 NC-15 1,000 2,000 4,000 8,000 1,000 2,000 4,000 8,000...
Page 115: Wall Mounted Type
9-3. Wall mounted type  Model: ASU7RLF1  Cooling  Heating NC-65 NC-65 NC-60 NC-60 NC-55 NC-55 NC-50 NC-50 NC-45 NC-45 High NC-40 NC-40 High NC-35 NC-35 NC-30 NC-30 NC-25 NC-25 Quiet NC-20 NC-20 NC-15 NC-15 Quiet 1,000 2,000 4,000 8,000 1,000 2,000...
Page 116  Model: ASU12RLF1  Cooling  Heating NC-65 NC-65 NC-60 NC-60 NC-55 NC-55 NC-50 NC-50 High NC-45 NC-45 High NC-40 NC-40 NC-35 NC-35 NC-30 NC-30 NC-25 NC-25 NC-20 NC-20 Quiet Quiet NC-15 NC-15 1,000 2,000 4,000 8,000 1,000 2,000 4,000 8,000 Octave band center frequency, Hz Octave band center frequency, Hz...
Page 117  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 118: Floor Type
9-4. Floor type  Model: AGU9RLF  Cooling  Heating NC-65 NC-65 NC-60 NC-60 NC-55 NC-55 NC-50 NC-50 H igh NC-45 NC-45 H igh NC-40 NC-40 NC-35 NC-35 NC-30 NC-30 NC-25 NC-25 NC-20 NC-20 Quiet Quiet NC-15 NC-15 1,000 2,000 4,000 8,000 1,000...
Page 119  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 120: Sound Level Check Point
9-5. Sound level check point  Compact cassette type Microphone Microphone - 114 -...
Page 121  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 122: Electrical Characteristics
10. Electrical characteristics Power supply Indoor rated Voltage Input power Type Model name AUU7RLF 0.19 / 0.19 17 / 18 0.15 / 0.15 AUU9RLF 0.19 / 0.19 17 / 18 0.15 / 0.15 Compact cassette AUU12RLF 0.24 / 0.24 22 / 23 0.19 / 0.19...
Page 123: Safety Devices
Fan motor thermal Terminal thermal Float Model name PCB* fuse type protector fuse switch Activate: 212 ± 27 °F AUU7RLF (100 ± 15 °C) Compact AUU9RLF Fan motor stop 250 V, 3.15 A ― ○ cassette AUU12RLF Reset: 203 ± 18 °F AUU18RLF (95 ±...
Page 124: External Input And Output
12. External input and output External input External output Indoor unit Operation Fresh air Auxiliary Error status type Control input status output control output heater output output Compact ● ● ● ― ― cassette Slim duct ● ● ● ● ―...
Page 125  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 126  Optional part Indoor unit type Parts name Model name Compact cassette UTY-XWZX Slim duct UTD-ECS5A ASU7RLF1, ASU9RLF1, ASU12RLF1, External connect UTY-XWZXZ5 ASU15RLF1 Wall mounted ASU18RLF, ASU24RLF UTY-XWZX Floor AGU9RLF, AGU12RLF, AGU15RLF UTY-XWZXZ5 UTY-XWZX UTD-ECS5A UTY-XWZXZ5 Indoor unit type Parts name Model name Compact cassette —...
Page 127: 12-2.External Output
12-2. External output Use an external output cable with appropriate external dimension, depending on the number of ca- bles to be installed.  Operation status output Indoor unit type Connector Compact cassette CN103 Slim duct CN103 ASU7RLF1, ASU9RLF1, ASU12RLF1, ASU15RLF1 CNB01 Wall mounted ASU18RLF, ASU24RLF...
Page 128  Optional part Indoor unit type Parts name Model name Compact cassette UTY-XWZX Slim duct UTD-ECS5A ASU7RLF1, ASU9RLF1, ASU12RLF1, External connect UTY-XWZXZ5 ASU15RLF1 Wall mounted ASU18RLF, ASU24RLF UTY-XWZX Floor AGU9RLF, AGU12RLF, AGU15RLF UTY-XWZXZ5 Indoor unit type Parts name Model name Compact cassette —...
Page 129  Fresh air control output Indoor unit type Connector Compact cassette Slim duct Wall mounted — Floor Signal linked to air conditioner indoor fan on can be output. * However, signal becomes off during cold air prevention control operation.  Circuit diagram example Indoor unit Connected unit control PCB...
Page 130  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 131  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 132  Error status output Indoor unit type Connector Compact cassette — Slim duct — ASU7RLF1, ASU9RLF1, ASU12RLF1, ASU15RLF1 CNB02 Wall mounted ASU18RLF, ASU24RLF — 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 133  Optional part Indoor unit type Parts name Model name Compact cassette — — Slim duct — — ASU7RLF1, ASU9RLF1, ASU12RLF1, External connect UTY-XWZXZ5 ASU15RLF1 Wall mounted ASU18RLF, ASU24RLF — — External connect Floor AGU9RLF, AGU12RLF, AGU15RLF UTY-XWZXZ5 Indoor unit type Parts name Model name Compact cassette...
Page 134: Function Settings
13. Function settings To adjust the functions of this product according to the installation environment, various types of function settings are available. NOTE: Incorrect settings can cause a product malfunction. 13-1. Indoor unit (setting by jumper wire) NOTE: This setting is necessary only for slim duct type. ...
Page 135: 13-2.Indoor Unit (Setting By Wireless Remote Controller)
13-2. Indoor unit (setting by wireless remote controller) • The function settings of the control of the indoor unit can be changed by this procedure according to the installation conditions. Incorrect settings can cause the indoor unit malfunc- tion. • After the power is turned on, perform the “Function setting” according to the installation condi- tions using the remote controller.
Page 136  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 137 For confirming the custom code, press the TIMER MODE button to send the code to the indoor unit. Pi Pi Press the MODE button to enter the function setting mode. Select the function number by pressing the or the button. Each time the MODE button is pressed, it switches between the left digit and the right digit.
Page 138 Select the setting number by pressing the or the button. Each time the MODE button is pressed, it switches between the left digit and the right digit. Change digit Send the function mode information by pressing the TIMER MODE button once. Pi Pi Send the function setting information by pressing the START/STOP button once.
Page 139 Exit the function setting mode by pressing the RESET button. RESET To set custom code , , or , perform same procedures for each code.  Setting up each indoor unit Repeat step from 1. to 11. to set up each indoor unit. If the custom code is other than " ", steps from 1.
Page 140  Remote controller custom code setting Custom code setting of wireless remote controller needs to be same as the setting of the indoor unit. When you change the custom code setting of the wireless remote controller, do as follows: Press the START/STOP button until only the clock is displayed on the remote controller display.
Page 141 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 142  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 143 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 144 Press the MODE button once to transmit the function mode information. Press the button once to transmit the function setting information. 2 short beeps will be emitted from the indoor unit when the signal is received correctly. If wrong code is set, no beep sound will be emitted.
Page 145  Setting up each indoor unit Repeat step from 1. to 8. to set up each indoor unit. If the custom code is other than " ", steps from 1. to 2. and 8. need to be performed.  Resetting the power after setting up function of all indoor units NOTES: •...
Page 146  Remote controller custom code setting Custom code setting of wireless remote controller needs to be same as the setting of the indoor unit. When you change the custom code setting of the wireless remote controller, do as follows: Press the START/STOP button until only the clock is displayed on the remote controller display.
Page 147 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 148: 13-3.Indoor Unit (Setting By Wired Remote Controller)
13-3. Indoor unit (setting by wired remote controller) • The function settings of the control of the indoor unit can be changed by this procedure according to the installation conditions. Incorrect settings can cause the indoor unit malfunc- tion. • After the power is turned on, perform the “FUNCTION SETTING” according to the installation conditions using the remote controller.
Page 149  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 150 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 151: 13-4.Indoor Unit (Setting By Simple Remote Controller)
13-4. Indoor unit (setting by simple remote controller) • The function settings of the control of the indoor unit can be changed by this procedure according to the installation conditions. Incorrect settings can cause the indoor unit malfunc- tion. • After the power is turned on, perform the “FUNCTION SETTING” according to the installation conditions using the remote controller.
Page 152  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 153 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 154  Setting up each indoor unit Repeat the procedures from step 1 to 6, and set up the indoor units requiring function setting.  Resetting the power after setting up function of all indoor units NOTES: • If the reset is not performed, function can not be read correctly. •...
Page 155: 13-5.Function Details
13-5. Function details  Contents of function setting Each function setting listed in this section is adjustable in accordance with the installation environ- ment. NOTE: Setting will not be changed if invalid numbers or setting values are selected.  Function setting list Compact Slim Functions...
Page 156 2) Ceiling height Select the appropriate ceiling height according to the place of installation. Function number Setting value Setting description Factory setting Standard ♦ High ceiling For the specific height for each setting value, refer to “Installation space” in Chapter 4. "Dimensions"...
Page 157 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 158 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 159 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 160: 13-6.Wired Remote Controller
13-6. Wired remote controller Prohibited Dual remote controller setting Prohibited DIP switch 1 °F / °C switch Prohibited Memory backup setting * Do not use DIP switch 2  Switch position  Wired remote controller Front case (back side) DIP switch 2 DIP switch 1 (All slide switches fixed at OFF...
Page 161  Dip switch 1 setting  SW2: Dual remote controller setting Set the remote controller SW2 according to the following table. Primary unit Secondary unit Number of remote controller Factory setting 1 (Normal) — ♦ 2 (Dual) Indoor unit Remote controller cable 1 2 3 1 2 3 1 2 3...
Page 162: 13-7.Simple Remote Controller
13-7. Simple remote controller Prohibited Dual remote controller setting °F / °C switch DIP switch 1 Prohibited Prohibited Prohibited  Switch position  Simple remote controller DIP Switch  Dip switch setting  SW2: Dual remote controller setting Set the remote controller SW2 according to the following table. Primary unit Secondary unit Number of remote controller...
Page 163: 13-8.Central Remote Controller
13-8. Central remote controller Memory backup setting Prohibited Prohibited DIP switch 1 Prohibited Prohibited Prohibited  Switch position  Central remote controller DIP switch 1 2 3 4 5 6 Front case (back side)  Dip switch setting  SW1: Memory backup setting Set to “ON”...
Page 164: Accessories
14. Accessories 14-1. Compact cassette type  Models: AUU7RLF, AUU9RLF, AUU12RLF, and AUU18RLF Part name Exterior Q’ty Part name Exterior Q’ty Operating manual Drain hose Installation manual Hose band Coupler heat insulation Drain hose insulation (Large) Coupler heat insulation Remote controller...
Page 165  Cassette grille accessories Part name Exterior Q’ty Part name Exterior Q’ty Connector cover Hook wire Tapping screw Screw (pitch small) (M5 × 12 mm) (M4 × 10 mm) Tapping screw Screw (pitch large) (M4 × 12 mm) (M4 × 10 mm) L angle - 159 -...
Page 166: 14-2.Slim Duct Type
14-2. Slim duct type  Models: ARU7RLF, ARU9RLF, ARU12RLF, ARU18RLF, and ARU24RLF Part name Exterior Q’ty Part name Exterior Q’ty Operating manual Cable tie (large) Installation manual Cable tie (small) Installation template Drain hose Washer Hose band Coupler heat insulation Drain hose insulation (large) Coupler heat insulation...
Page 167: 14-3.Wall Mounted Type
14-3. Wall mounted type  Models: ASU7RLF1, ASU9RLF1, ASU12RLF1, and ASU15RLF1 Part name Exterior Q’ty Part name Exterior Q’ty Operating manual Cloth tape Tapping screw (large), Installation manual M4 × 25 mm Wall hook bracket Tapping screw (small), Remote controller Air cleaning filter Battery Filter holder...
Page 168  Models: ASU18RLF and ASU24RLF Part name Exterior Q’ty Part name Exterior Q’ty Operating manual Drain hose insulation Installation manual Cloth tape Tapping screw (large), Wall hook bracket M4 × 25 mm Remote controller Tapping screw (small) Battery Air cleaning filter Remote controller Air cleaning filter frame holder...
Page 169: 14-4.Floor Type
14-4. Floor type  Models: AGU9RLF, AGU12RLF, and AGU15RLF Part name Exterior Q’ty Part name Exterior Q’ty Operating manual Cable tie Installation manual Cloth tape Tapping screw (large), Wall hook bracket M4 × 25 mm Tapping screw (small), Remote controller M3 ×...
Page 170: Optional Parts
15. Optional parts 15-1. Controller  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 171: 15-2.Cassette Grille
15-2. Cassette grille  Lineup ●: Accessory, ◌: Optional, —: Not applicable Indoor units Type Model Compact cassette Cassette grille UTG-CCGF ◌  Part Cassette grille UTG-CCGF - 165 -...
Page 172: 15-3.Others
15-3. Others  Lineup Type Insulation Air outlet External kit for Fresh air shutter control External connect kit Indoor unit type high intake kit plate humidity UTZ- UTZ- UTD- UTY- UTY- UTR-YDZB KXGC VXAA ECS5A XWZX XWZXZ5 Compact cassette ◌ ◌...
Page 173  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 174 Communication kit Model: UTY-XCBXZ2 For wall mounted type (ASU7RLF1, ASU9RLF1, ASU12RLF1, and ASU15RLF1) - 168 -...
Page 175: Installation Precautions
16. Installation precautions 16-1. Indoor unit installation precautions NOTE: The information listed below are general precautions. Some models also include items that do not apply.  Place where prohibited for use • Places where there is a danger of combustible gas leakage. •...
Page 176: Contents (Continued)
Condition Contents Countermeasures (Reference) When inside When the indoor unit is installed where the inside of 1. Add heat insulating material to the ceiling is the ceiling is 30°C (86°F) RH80% or greater, the dew the outside of the indoor unit high point temperature of the outer perimeter may cabinet.
Page 177 Condition Contents Countermeasures (Reference) When using When using an external duct to take in new fresh air, Always perform heat insulation an external etc., condensation may form on the surface of the processing. duct. duct due to the effect of the outside air temperature (Heat insulating material: Glass and the humidity inside the ceiling.
Page 178 - 172 -...
Page 179: Part 2. Outdoor Unit
Part 2. OUTDOOR UNIT 4 ROOMS TYPE: AOU36RLXFZH...
Page 180: Specifications
1. Specifications 1-1. Model: AOU36RLXFZH Type Inverter heat pump Model name AOU36RLXFZH Power source 1Ø 208/230 V 60 Hz Available voltage range 187—264V Number 2 to 4 Connectable indoor unit Total capacity range 27,000 to 39,000 Btu/h Non-duct Duct Combination of indoor unit ASU9RLF1 x 4 ARU9RLF x 4 Btu/h...
Page 181: Dimensions
2. Dimensions 2-1. Model: AOU36RLXFZH 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) (cable port) (22.2) (cable port) 3 (76.3)
Page 182: Installation Space
3. Installation space 3-1. Model: AOU36RLXFZH  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. 6 (150) 8 (200) 12 (300)
Page 183  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 184  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 185: Refrigerant Circuit
4. Refrigerant circuit 4-1. Model: AOU36RLXFZH CONDENSER STRAINER STRAINER SOLENOID VALVE PRESSURE SENSOR FUSIBLE PLUG MUFFLER CHARGING CHARGING VALVE VALVE EXPANSION EXPANSION EXPANSION EXPANSION VALVE VALVE VALVE VALVE STRAINER STRAINER STRAINER STRAINER HEAT EXCHANGER HEAT EXCHANGER HEAT EXCHANGER HEAT EXCHANGER Indoor unit A Indoor unit B Indoor unit C...
Page 186: Wiring Diagram
5. Wiring diagram 5-1. Model: AOU36RLXFZH - 180 -...
Page 187: Capacity Table
6. Capacity table 6-1. Combinations  Model: AOU36RLXFZH  Cooling Rated capacity for each Maximum capacity for Total capacity Combination of indoor unit Input power (kW) indoor unit (kBtu/h) each indoor unit (kBtu/h) (kBtu/h) Type of indoor unit Total Min. Rated Max.
Page 188 • Cooling: Indoor temperature of 80 °FDB (26.7 °CDB)/ 67 °FWB (19.4 °CWB), and outdoor temperature of 95 °FDB (35 °CDB) / 75 °FWB (23.9 °CWB). • Pipe length: 24.6 ft (7.5 m), Height difference: 0 ft (0 m) [Outdoor unit - Indoor unit] •...
Page 189  Model: AOU36RLXFZH  Heating Rated capacity for each Maximum capacity for Total capacity Combination of indoor unit Input power (kW) indoor unit (kBtu/h) each indoor unit (kBtu/h) (kBtu/h) Type of indoor unit Total Min. Rated Max. Min. Rated Max. Room Room Room...
Page 190 • Ducted system combinations capacities are based on ARU slim duct units. - 184 -...
Page 191: Cooling Capacity
6-2. Cooling capacity  Model: AOU36RLXFZH NOTE: Values mentioned in the table are calculated based on the maximum capacity.  Cooling capacity in kBtu/h TC: Total Capacity (kBtu/h), IP: Input Power (kW) Indoor temperature Indoor unit Outdoor connecting 64 °FDB 70 °FDB 75 °FDB 80 °FDB...
Page 192 Indoor temperature Indoor unit Outdoor connecting 64 °FDB 70 °FDB 75 °FDB 80 °FDB 85 °FDB 90 °FDB temperature capacity 54 °FWB 60 °FWB 63 °FWB 67 °FWB 71 °FWB 73 °FWB kBtu/h °FDB 28.9 1.03 32.6 1.05 34.4 1.05 36.8 1.07 39.4...
Page 193 Indoor temperature Indoor unit Outdoor connecting 64 °FDB 70 °FDB 75 °FDB 80 °FDB 85 °FDB 90 °FDB temperature capacity 54 °FWB 60 °FWB 63 °FWB 67 °FWB 71 °FWB 73 °FWB kBtu/h °FDB 23.8 0.78 26.9 0.79 28.3 0.80 30.3 0.81 32.4...
Page 194  Cooling capacity in kW TC: Total Capacity (kW), IP: Input Power (kW) Indoor temperature Indoor unit Outdoor connecting 17.8 °CDB 21.1 °CDB 23.9 °CDB 26.7 °CDB 29.4 °CDB 32.2 °CDB temperature capacity 12.2 °CWB 15.6 °CWB 17.2 °CWB 19.4 °CWB 21.7 °CWB 22.8 °CWB kBtu/h...
Page 195 Indoor temperature Indoor unit Outdoor connecting 17.8 °CDB 21.1 °CDB 23.9 °CDB 26.7 °CDB 29.4 °CDB 32.2 °CDB temperature capacity 12.2 °CWB 15.6 °CWB 17.2 °CWB 19.4 °CWB 21.7 °CWB 22.8 °CWB kBtu/h °CDB -10.0 8.21 0.99 9.28 1.00 9.78 1.01 10.40 1.02...
Page 196 Indoor temperature Indoor unit Outdoor connecting 17.8 °CDB 21.1 °CDB 23.9 °CDB 26.7 °CDB 29.4 °CDB 32.2 °CDB temperature capacity 12.2 °CWB 15.6 °CWB 17.2 °CWB 19.4 °CWB 21.7 °CWB 22.8 °CWB kBtu/h °CDB -10.0 6.72 0.74 7.59 0.75 8.00 0.76 8.50 0.77...
Page 197 • 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) 64.0 / 54.0 70.0 / 60.0...
Page 198 MODEL: AUU18RLF Indoor temperature (°FDB / °FWB) 64.0 / 54.0 70.0 / 60.0 75.0 / 63.0 80.0 / 67.0 85.0 / 71.0 90.0 / 73.0 Outdoor temperature (°FDB) 14.0 15.29 9.26 17.28 10.55 18.21 12.15 19.50 13.65 20.85 14.93 21.49 17.10 23.0 15.29...
Page 199 • 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) 17.8 / 12.2 21.1 / 15.6...
Page 200 MODEL: AUU18RLF Indoor temperature (°CDB / °CWB) 17.8 / 12.2 21.1 / 15.6 23.9 / 17.2 26.7 / 19.4 29.4 / 21.7 32.2 / 22.8 Outdoor temperature (°CDB) -10.0 4.48 2.71 5.06 3.09 5.34 3.56 5.72 4.00 6.11 4.38 6.30 5.01 -5.0 4.48...
Page 201  Slim duct type  Cooling capacity in kBtu/h • 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) 64.0 / 54.0...
Page 202 MODEL: ARU18RLF Indoor temperature (°FDB / °FWB) 64.0 / 54.0 70.0 / 60.0 75.0 / 63.0 80.0 / 67.0 85.0 / 71.0 90.0 / 73.0 Outdoor temperature (°FDB) 14.0 15.29 9.52 17.28 10.85 18.21 12.50 19.50 14.04 20.85 15.36 21.49 17.59 23.0 15.29...
Page 203  Cooling capacity in kW • 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) 17.8 / 12.2...
Page 204 MODEL: ARU18RLF Indoor temperature (°CDB / °CWB) 17.8 / 12.2 21.1 / 15.6 23.9 / 17.2 26.7 / 19.4 29.4 / 21.7 32.2 / 22.8 Outdoor temperature (°CDB) -10.0 4.48 2.79 5.06 3.18 5.34 3.66 5.72 4.11 6.11 4.50 6.30 5.16 -5.0 4.48...
Page 205  Wall mounted type  Cooling capacity in kBtu/h • 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) 64.0 / 54.0...
Page 206 MODEL: ASU15RLF1 Indoor temperature (°FDB / °FWB) 64.0 / 54.0 70.0 / 60.0 75.0 / 63.0 80.0 / 67.0 85.0 / 71.0 90.0 / 73.0 Outdoor temperature (°FDB) 14.0 12.78 8.29 14.44 9.45 15.22 10.88 16.30 12.23 17.42 13.37 17.96 15.32 23.0 12.78...
Page 207  Cooling capacity in kW • 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) 17.8 / 12.2...
Page 208 MODEL: ASU15RLF1 Indoor temperature (°CDB / °CWB) 17.8 / 12.2 21.1 / 15.6 23.9 / 17.2 26.7 / 19.4 29.4 / 21.7 32.2 / 22.8 Outdoor temperature (°CDB) -10.0 3.75 2.43 4.23 2.77 4.46 3.19 4.78 3.58 5.11 3.92 5.26 4.49 -5.0 3.75...
Page 209  Floor type  Cooling capacity in kBtu/h • 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 210  Cooling capacity in kW • 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 211: Heating Capacity
6-3. Heating capacity  Model: AOU36RLXFZH NOTE: Values mentioned in the table are calculated based on the maximum capacity.  Heating capacity in kBtu/h TC: Total Capacity (kBtu/h), IP: Input Power (kW) Indoor unit Indoor temperature connecting Outdoor temperature capacity 60 °FDB 65 °FDB 70 °FDB...
Page 212 Indoor unit Indoor temperature connecting Outdoor temperature capacity 60 °FDB 65 °FDB 70 °FDB 75 °FDB 78 °FDB kBtu/h °FDB °FWB 22.0 3.24 21.4 3.31 20.9 3.38 20.4 3.45 19.9 3.52 24.9 3.43 24.3 3.50 23.7 3.57 23.1 3.64 22.5 3.71 36.1 4.77...
Page 213 Indoor unit Indoor temperature connecting Outdoor temperature capacity 60 °FDB 65 °FDB 70 °FDB 75 °FDB 78 °FDB kBtu/h °FDB °FWB 18.1 2.62 17.7 2.68 17.2 2.73 16.8 2.78 16.4 2.84 20.5 2.76 20.0 2.82 19.5 2.88 19.1 2.94 18.6 3.00 29.7 3.85...
Page 214  Heating capacity in kW TC: Total Capacity (kW), IP: Input Power (kW) Indoor unit Indoor temperature connecting Outdoor temperature capacity 15.6 °CDB 18.3 °CDB 21.1 °CDB 23.9 °CDB 25.6 °CDB kBtu/h °CDB °CWB -26.1 -27.0 6.81 3.46 6.65 3.53 6.40 3.60 6.32...
Page 215 Indoor unit Indoor temperature connecting Outdoor temperature capacity 15.6 °CDB 18.3 °CDB 21.1 °CDB 23.9 °CDB 25.6 °CDB kBtu/h °CDB °CWB -26.1 -27.0 6.24 3.14 6.09 3.20 5.90 3.27 5.80 3.34 5.65 3.40 -20.6 -21.7 7.08 3.31 6.91 3.38 6.70 3.45 6.58 3.52...
Page 216 Indoor unit Indoor temperature connecting Outdoor temperature capacity 15.6 °CDB 18.3 °CDB 21.1 °CDB 23.9 °CDB 25.6 °CDB kBtu/h °CDB °CWB -26.1 -27.0 5.11 2.51 4.98 2.56 4.80 2.61 4.74 2.67 4.62 2.72 -20.6 -21.7 5.79 2.65 5.66 2.70 5.50 2.76 5.38 2.81...
Page 217  Heating capacity in kBtu/h • 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 218  Heating capacity in kW • 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 219  Slim duct type  Heating capacity in kBtu/h • 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...
Page 220 MODEL: ARU24RLF Indoor temperature (°FDB) Outdoor temperature 60.0 65.0 70.0 75.0 78.0 (°FDB) (°FWB) 16.25 15.87 15.48 15.09 14.70 14.0 12.0 18.33 17.89 17.45 17.02 16.58 23.0 19.0 20.40 19.91 19.43 18.94 18.46 32.0 28.0 23.77 23.20 22.63 22.07 21.50 41.0 37.0 27.13...
Page 221  Heating capacity in kW • 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 222 MODEL: ARU24RLF Indoor temperature (°CDB) Outdoor temperature 15.6 18.3 21.1 23.9 25.6 (°CDB) (°CWB) -15.0 -16.1 4.76 4.65 4.54 4.42 4.31 -10.0 -11.1 5.37 5.24 5.12 4.99 4.86 -5.0 -7.2 5.98 5.84 5.69 5.55 5.41 -2.2 6.97 6.80 6.63 6.47 6.30 7.95 7.76...
Page 223  Wall mounted type  Heating capacity in kBtu/h • 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...
Page 224 MODEL: ASU15RLF1 Indoor temperature (°FDB) Outdoor temperature 60.0 65.0 70.0 75.0 78.0 (°FDB) (°FWB) 10.73 10.48 10.22 9.97 9.71 14.0 12.0 12.10 11.81 11.53 11.24 10.95 23.0 19.0 13.47 13.15 12.83 12.51 12.19 32.0 28.0 15.69 15.32 14.95 14.57 14.20 41.0 37.0 17.92...
Page 225  Heating capacity in kW • 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 226 MODEL: ASU18RLF Indoor temperature (°CDB) Outdoor temperature 15.6 18.3 21.1 23.9 25.6 (°CDB) (°CWB) -15.0 -16.1 3.77 3.68 3.59 3.51 3.42 -10.0 -11.1 4.26 4.15 4.05 3.95 3.85 -5.0 -7.2 4.74 4.63 4.51 4.40 4.29 -2.2 5.52 5.39 5.26 5.13 4.99 6.30 6.15...
Page 227  Floor type  Heating capacity in kBtu/h • 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 228  Heating capacity in kW • 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 229: 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: AOU36RLXFZH NOTE: Values mentioned in the table are calculated based on the maximum capacity.
Page 230  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 231  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 232  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 233: Additional Charge Calculation
8. Additional charge calculation 8-1. Model: AOU36RLXFZH Refrigerant type R410A lb oz 8 lb 13 oz Refrigerant amount 4,000  Refrigerant charge Total pipe length ft (m) 164 (50) or less 197 (60) 230 (70) (Max.) 0.22 oz/ft (20 g/m) Additional charge lb oz (g) 7.1 oz (200)
Page 234: Airflow
9. Airflow 9-1. Model: AOU36RLXFZH  Cooling 4,200 1,167 2,472  Heating 4,200 1,167 2,472 - 228 -...
Page 235: Operation Noise (Sound Pressure)
10. Operation noise (sound pressure) 10-1. Noise level curve  Model: AOU36RLXFZH  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 236: 10-2.Sound Level Check Point
10-2. Sound level check point Rear Microphone Microphone Airflow 39-3/8 in (1 m) Side view Rear view NOTE: Detailed shape of the actual outdoor unit might be slightly different from the one illustrated above. - 230 -...
Page 237: Electrical Characteristics
11. Electrical characteristics Model name AOU36RLXFZH Power supply Voltage 208/230 ~ Frequency 31.5 Starting current 12.9 Wiring spec. * CKT. BKR 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 devices complied to the regional standard.
Page 238: Safety Devices
12. Safety devices Model Type of protection Protection form AOU36RLXFZH 250 V, 10 A Current fuse 250 V, 5 A (PCB) 400 V, 5 A Circuit protection 250 V, 3.15 A Protector 500 V, 45 A (PCB) 239 ±2 7 °F Activate (115 ±...
Page 239: 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 240  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 241 Switch Function or operation method Factory setting • For the test run start and stop. Push — • For the pump down start and stop. • For when check run function is activated. • For displaying the check run. Push —...
Page 242: 13-2.Base Heater Forced Off Function
13-2. Base heater forced off function The power to the base heater can be cut off by changing the DIP switch setting. SET1-3 Setting Heater on Forced off setting 13-3. 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.
Page 243: 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 244  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 245 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 246 [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 247 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 obtained test results.
Page 248  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 249: 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 250 4. Confirm operating status. 5. Press "TEST RUN" switch for more than 3 seconds. POWER ERROR MONITOR MODE POWER/MODE LED will turn on, and test run stops. - 244 -...
Page 251: 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 252  Error code display While the error is occurring, briefly press SW1. The error code is displayed. Coil error (Error cord = 9A.1) Example: POWER ERROR MONITOR MODE [A(10)] Blink (High-speed) (9-blink) Display mode LED on: LED off: Blink: (0.5s Light on / 0.5s Light off) Number of blinking: ( )
Page 253 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 254: 14-4.Pump Down
14-4. Pump down WARNING During the pump down operation, make sure that compressor is off before you remove the re- frigerant 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 255 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 automatically after 15 minutes and the LED will light as follows. If the pump down is complete, disconnect the power supply or turn off the breaker.
Page 256: Accessories
15. Accessories Part name Exterior Q’ty Part name Exterior Q’ty Adapter K Installation manual 1/2 in (12.70 mm) 1 set 3/8 in (9.52 mm) Adapter L Cable tie with clip 1/2 in (12.70 mm) 1 set (Large) 5/8 in (15.88 mm) Adapter H Cable tie with clip 3/8 in (9.52 mm)
Page 257: 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 is Central remote UTY-DMMUM for indoor use.
Page 258: Installation Precautions
17. Installation precautions 17-1. Outdoor unit installation precautions NOTE: The information listed below are general precautions. Some models also include items that do not apply.  Place where use prohibited use • Places where there is a danger of combustible gas leakage. •...

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