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...
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• 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) - 7 -...
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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...
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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).
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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...
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• 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.
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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...
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• Easy maintenance Removable and washable panel • Flexible piping connection 6 directions of drain and piping Back view Drain hose Piping - 14 -...
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...
1-4. Outdoor unit Simple system from installation to management New system can be connected up to 5 indoor units. So, it can decrease outdoor unit and other unit than previous system. And total management can be done by only one optional controller. 5 Rooms multi system Previous 5 Rooms Multi System <Case1>...
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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.
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. ...
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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...
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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) ...
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.
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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.
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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...
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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)
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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 ...
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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. •...
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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. •...
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) ...
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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...
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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.
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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...
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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 ...
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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. •...
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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. •...
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.
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...
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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). - 40 -...
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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...
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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...
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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.
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...
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)
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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)
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)
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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)
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)
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...
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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...
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)
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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)
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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)
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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)
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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 - 56 -...
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...
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)
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...
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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)
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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)
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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...
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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)
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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...
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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)
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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...
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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)
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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...
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)
• 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...
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...
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...
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 - 104 -...
9-5. Sound level check point Compact cassette type Microphone Microphone - 115 -...
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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) ...
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 ● ● ● ● ―...
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Circuit diagram example • Contact capacity: DC 24 V or more, 10 mA or more. Indoor unit Connected unit control PCB • *1: PCB of Communication kit is used for wall mounted (ASU7RLF1, ASU9RLF1, ASU12RLF1, and Connector Example: Switch ASU15RLF1) type.
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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 —...
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...
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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 —...
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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...
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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) •...
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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. •...
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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...
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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...
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. ...
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.
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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...
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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.
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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.
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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.
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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.
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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. •...
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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)
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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...
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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.
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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: •...
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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.
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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. •...
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.
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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...
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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.) ●...
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.
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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.
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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.
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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. •...
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...
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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"...
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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"...
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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...
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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"...
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...
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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...
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...
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 ◌ ◌...
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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...
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Communication kit Communication kit Model: UTY-XCBXZ2 Model: UTY-XCBXZ2 For wall mounted type (ASU7RLF1, ASU9RLF1, For wall mounted type (ASU7RLF, ASU9RLF, and ASU12RLF1, and ASU15RLF1) ASU12RLF) - 169 -...
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. •...
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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.
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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.
1. Specifications 1-1. Model: AOU45RLXFZ Type Inverter heat pump Model name AOU45RLXFZ Power source 1Ø 208/230 V 60 Hz Available voltage range 187—264V Number 2 to 5 Connectable indoor unit Total capacity range 34,000 to 54,000 Btu/h Non-Duct Duct Combination of indoor unit ASU9RLF1 x 5 ARU9RLF x 5 Btu/h...
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Type Inverter heat pump Model name AOU45RLXFZ Cooling 14 to 115 (-10 to 46) Operation range °F (°C) Heating 5 to 75 (-15 to 24) NOTES: • Specifications are based on the following conditions: – Power source of specifications : 230 V –...
3. Installation space 3-1. Model: AOU45RLXFZ Space requirement Provide sufficient installation space for product safety. Single outdoor unit installation • When the upper space is open: Unit: in (mm) When there are obstacles at the rear only. When there are obstacles at the rear and sides. 6 (150) 8 (200) 12 (300)
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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...
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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)
6. Capacity table 6-1. Combinations Model: AOU45RLXFZ Cooling Rated capacity for each indoor Maximum capacity for each Total capacity Combination of indoor unit Input power [kW] unit [kBtu/h] indoor unit [kBtu/h] [kBtu/h] Type of indoor unit Total Min. Rated Max.
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Rated capacity for each indoor Maximum capacity for each Total capacity Combination of indoor unit Input power [kW] unit [kBtu/h] indoor unit [kBtu/h] [kBtu/h] Type of indoor unit Total Min. Rated Max. Min. Rated Max. Room Room Room Room Room Room Room Room...
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Rated capacity for each indoor Maximum capacity for each Total capacity Combination of indoor unit Input power [kW] unit [kBtu/h] indoor unit [kBtu/h] [kBtu/h] Type of indoor unit Total Min. Rated Max. Min. Rated Max. Room Room Room Room Room Room Room Room...
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– Non-Ducted system combinations input are based on ASU wall mount models. The input of combinations including AUU cassette models may be a little higher. – Ducted system combinations capacities are based on ARU slim duct units. • Combination of 15+24 (14,000 Btu/h+24,000 Btu/h) of the indoor units is prohibited. - 185 -...
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Model: AOU45RLXFZ Heating Rated capacity for each indoor Maximum capacity for each Total capacity Combination of indoor unit Input power [kW] unit [kBtu/h] indoor unit [kBtu/h] [kBtu/h] Type of indoor unit Total Min. Rated Max. Min. Rated Max. Room Room Room...
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Rated capacity for each indoor Maximum capacity for each Total capacity Combination of indoor unit Input power [kW] unit [kBtu/h] indoor unit [kBtu/h] [kBtu/h] Type of indoor unit Total Min. Rated Max. Min. Rated Max. Room Room Room Room Room Room Room Room...
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Rated capacity for each indoor Maximum capacity for each Total capacity Combination of indoor unit Input power [kW] unit [kBtu/h] indoor unit [kBtu/h] [kBtu/h] Type of indoor unit Total Min. Rated Max. Min. Rated Max. Room Room Room Room Room Room Room Room...
6-2. Cooling capacity Model: AOU45RLXFZ NOTE: Values mentioned in the table are calculated based on the maximum capacity. Cooling TC: Total Capacity (kBtu/h), IP: Input Power (kW) Indoor temperature Indoor unit Outdoor connecting 64 °FDB 70 °FDB 75 °FDB 80 °FDB 85 °FDB 90 °FDB...
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• TC: Total Capacity (kBtu/h), SHC: Sensible Heat Capacity (kBtu/h). • The data is based on the following conditions: Pipe length: 24.6 ft (7.5 m), Height difference: 0 ft (0 m) [Outdoor unit - Indoor unit] MODEL: AUU7RLF Indoor temperature (°FDB / °FWB) Outdoor temperature 64.0 / 54.0...
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• TC: Total Capacity (kW), SHC: Sensible Heat Capacity (kW). • The data is based on the following conditions: Pipe length: 24.6 ft (7.5 m), Height difference: 0 ft (0 m) [Outdoor unit - Indoor unit] MODEL: AUU7RLF Indoor temperature (°CDB / °CWB) Outdoor temperature 17.8 / 12.2...
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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) Outdoor temperature...
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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) Outdoor temperature...
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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) Outdoor temperature...
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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) Outdoor temperature...
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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...
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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...
6-3. Heating capacity Model: AOU45RLXFZ NOTE: Values mentioned in the table are calculated based on the maximum capacity. Heating 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 75 °FDB...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
7. Capacity compensation rate for pipe length and height difference Height difference H Indoor unit is higher than outdoor unit Indoor unit is lower than outdoor unit Outdoor unit Indoor unit Outdoor unit Indoor unit Connection pipe Connection pipe 7-1. Model: AOU45RLXFZ NOTE: Values mentioned in the table are calculated based on the maximum capacity.
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. - 236 -...
11. Electrical characteristics Model name AOU45RLXFZ Power supply Voltage 208/230 ~ Frequency 28.9 Starting current 20.1 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.
12. Safety devices Model Type of protection Protection form AOU45RLXFZ 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±27 °F Activate (115±15 °C) Fan motor stop Fan motor protection...
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.
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.
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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 —...
13-2. Outdoor unit low noise operation function (option) Change the outdoor unit low noise operation by using this setting. Optional Central remote con- troller is necessary to use this function. SET2-1 Setting Lower CAUTION • When the low noise operation function is working, cooling and heating capacity will decrease. •...
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. •...
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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.
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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.
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[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...
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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.
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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...
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.
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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. - 250 -...
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.
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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: ( )
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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...
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.
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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.
15. Accessories Part name Exterior Q’ty Part name Exterior Q’ty Installation manual Drain cap Adapter K Drain pipe 1/2 in (12.70 mm) 2 set 3/8 in (9.52 mm) Adapter L Cable tie with clip 1/2 in (12.70 mm) 2 set (Large) 5/8 in (15.88 mm) Adapter H...
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.
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. •...