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) - 5 -...
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Slim duct type Models: ARU7RLF, ARU9RLF, ARU12RLF, and ARU18RLF Slim design and wide range of static pressure for flexible installation. • Slim design This model is slim design, it can install at the place where a ceiling is narrow. Drain port Height 7-13/16 in...
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Wall mounted type Models: ASU7RLF1, ASU9RLF1, ASU12RLF1, and ASU15RLF1 • High efficient compact design and more comfortable airflow Making the tube thin: Thin: 0.276inch (7mm) ▼ 0.197inch (5mm) Volume reduction of heat exchanger: • Quiet operation Airflow mode can be set in 4 steps and more detailed airflow setting is possible. 21 dB only at cooling operation (22 dB at heating operation).
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Model: ASU18RLF Simple and elegant appearance design • Compact and slim design 39-5/16 in (998 mm) • “Vertical airflow” provides powerful floor level heating ft (m) 7 (2.1) (24/30) 3 (1) 10 (3) 20 (6) 30 (9) 40 (12) ft (m) Outside air conditions: 35.6 Outsid F (2...
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• Air conditioner filter features Ion deodorization filter Organic coating fin used heat exchanger Apple-catechin filter Air filter – Ion deodorization filter The filter deodorizes by powerfully decomposing absorbed odors using the oxidizing and reducing effects of ions generated by the ultra-fine-particle ceramic. Using different filters at both sides –...
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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 - 12 -...
1-3. Outdoor unit Workable down to -15 °F (-26 °C) outdoor temperature Outdoor unit has a built-in heater to keep it from freezing during the freezing cold mid-winter sea- son. The air conditioner uses highly cold resistant components that were designed to prevent freez- ing and meet CSA standards to provide comfortable heating even when temperature fall to -15 °F (-26 °C).
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 UTY-LNHUM a FAN button Selects the fan speed (AUTO, HIGH, MED, LOW, and QUIET). b START/STOP button Starts and stops operation. c SET button (vertical) Adjusts the vertical airflow direction. d SET button (horizontal) Adjusts the horizontal airflow direction. e SWING button Sets the automatic swing operation and selects swing mode (Up/down, Left/right, Up/down/left/right, and Stop...
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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.
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 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. •...
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. •...
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 Power supply 208/230 V ~ 60 Hz Available voltage range 187—264 V Capacity Btu/h class 18,000 Input power Running current 0.44 HIGH 554 (940) 518 (880) Cooling 483 (820) QUIET 442 (750) Airflow rate CFM (m HIGH 554 (940) 518 (880) Heating...
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 Power supply 208/230 V ~ 60 Hz Available voltage range 187—264 V Capacity Btu/h class 18,000 Input power Running current 0.32 HIGH 542 (920) 436 (740) Cooling 365 (620) QUIET 324 (550) Airflow rate CFM (m HIGH 542 (920) 436 (740) Heating...
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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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 - 38 -...
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...
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 - 78 -...
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 - 80 -...
9-5. Sound level check point Compact cassette type Microphone Microphone - 90 -...
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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, and ASU12RLF1) type. Connector Example: Switch •...
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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 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...
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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 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 — 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 — — AGU9RLF, AGU12RLF, AGU15RLF External connect Floor 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 Air outlet Insulation Fresh air External shutter kit for high External connect kit Indoor unit type intake kit control set plate humidity UTZ- UTD- UTY- UTY- UTR-YDZB UTZ-VXAA KXGC ECS5A XWZX XWZXZ5 Compact cassette ◌ ◌...
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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...
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: AOU18RLXFZH Type Inverter heat pump Model name AOU18RLXFZH Power source 1Ø 208/230 V 60 Hz Available voltage range 187—264V Number Connectable indoor unit Total capacity range 14,000 to 21,000 Btu/h Non-duct Duct Combination of indoor unit ASU9RLF1 ×...
3. Installation space 3-1. Model: AOU18RLXFZH Space requirement Provide sufficient installation space for product safety. Single outdoor unit installation • When the upper space is open: Unit: in (mm) When there are obstacles at the rear only. When there are obstacles at the rear and sides. 4 (100) 4 (100) or more 12 (300)
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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. 60 (1,500) or more 10 (250) 12 (300) or more or more When there are obstacles at the front and rear.
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Outdoor unit installation in multi-row Unit: in (mm) Single parallel unit arrangement Multiple parallel unit arrangement 6 (150) or more 20 (500) or more 79 (2,000) or more 119 (3,000) or more 24 (600) or more 24 (600) or more 60 (1,500) or more 40 (1,000) or more 10 (250) or more...
6. Capacity table 6-1. Combinations Model: AOU18RLXFZH Cooling 1) Non-ducted Rated capacity for each Maximum capacity for Total capacity Combination of indoor unit Input power (kW) indoor unit (kBtu/h) each indoor unit (kBtu/h) (kBtu/h) Room 1 Room 2 Total Room 1 Room 2...
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Model: AOU18RLXFZH Heating 1) Non-ducted Rated capacity for each Maximum capacity for each Total capacity Combination of indoor unit Input power (kW) indoor unit (kBtu/h) indoor unit (kBtu/h) (kBtu/h) Room 1 Room 2 Total Room 1 Room 2 Room 1 Room 2 Min.
6-2. Cooling capacity NOTE: Values mentioned in the table are calculated based on the maximum capacity. Model: AOU18RLXFZH • TC: Total Capacity, SHC: Sensible Heat Capacity, IP: Input Power • The data is based on the following conditions: Pipe length: 24.6 ft (7.5 m), Height difference: 0 ft (0 m) [Outdoor unit—Indoor unit] ...
6-3. Heating capacity NOTE: Values mentioned in the table are calculated based on the maximum capacity. Model: AOU18RLXFZH • TC: Total Capacity, IP: Input Power • The data is based on the following conditions: Pipe length: 7.5 m, Height difference: 0 m [Outdoor unit—Indoor unit] ...
7. Capacity compensation rate for pipe length and height difference Height difference H Indoor unit is higher than outdoor unit Indoor unit is lower than outdoor unit Outdoor unit Indoor unit Outdoor unit Indoor unit Connection pipe Connection pipe 7-1. Model: AOU18RLXFZH NOTE: Values mentioned in the table are calculated based on the maximum capacity.
8. Additional charge calculation 8-1. Model: AOU18RLXFZH Refrigerant type R410A lb oz 4 lb 3 oz Refrigerant amount 1,900 Refrigerant charge 98 or less 164 (Max.) Total pipe length 30 or less 50 (Max.) 0.21 oz/ft (20 g/m) lb oz 7.1 oz 14.1 oz Additional charge...
10-2. Sound level check point Rear Microphone Microphone Airflow 39-3/8 in (1 m) Side view Rear view NOTE: Detailed shape of the actual outdoor unit might be slightly different from the one illustrated above. - 172 -...
11. Electrical characteristics Model name AOU18RLXFZH Voltage 208/230 ~ Power supply Frequency MCA *1 19.7 Starting current MAX. CKT. BKR *3 Wiring spec. *2 Power cable *1: Minimum Circuit Ampacity (Calculation based on UL1995) *2: Selected sample based on Japan Electrotechnical Standards and Codes Committee E0005. As the regulations of wire size and circuit breaker differ in each country or region, select appropriate devices complied to the regional standard.
12. Safety devices Model Type of protection Protection form AOU18RLXFZH Current fuse 250 V, 5 A (Main PCB) 250 V, 3.15 A Circuit protection Current fuse 250 V, 10 A (Near the terminal) 251 ±16 °F Activate (122 ±9 °C) Fan motor stop Fan motor protection Temperature thermistor...
14. Installation precautions 14-1. Outdoor unit installation precautions NOTE: The information listed below are general precautions. Some models also include items that do not apply. Place where use prohibited use • Places where there is a danger of combustible gas leakage. •...
1. Specifications 1-1. Model: AOU24RLXFZH Type Inverter heat pump Model name AOU24RLXFZH Power source 1Ø 208/230 V 60 Hz Available voltage range 187—264V Number 2 to 3 Connectable indoor unit Total capacity range 14,000 to 21,000 Btu/h Non-duct Duct Combination of indoor unit ASU7RLF1 ×...
3. Installation space 3-1. Model: AOU24RLXFZH Space requirement Provide sufficient installation space for product safety. Single outdoor unit installation • When the upper space is open: Unit: in (mm) When there are obstacles at the rear only. When there are obstacles at the rear and sides. 4 (100) 4 (100) or more 12 (300)
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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. 60 (1,500) or more 10 (250) 12 (300) or more or more When there are obstacles at the front and rear.
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Outdoor unit installation in multi-row Unit: in (mm) Single parallel unit arrangement Multiple parallel unit arrangement 6 (150) or more 20 (500) or more 79 (2,000) or more 119 (3,000) or more 24 (600) or more 24 (600) or more 60 (1,500) or more 40 (1,000) or more 10 (250) or more...
6. Capacity table 6-1. Combinations Model: AOU24RLXFZH Cooling 1) Non-ducted Rated capacity for each indoor Maximum capacity for each Total capacity Combination of indoor unit Input power (kW) unit (kBtu/h) indoor unit (kBtu/h) (kBtu/h) Room 1 Room 2 Room 3 Total Room 1...
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Model: AOU24RLXFZH Heating 1) Non-ducted Rated capacity for each indoor Maximum capacity for each Total capacity Combination of indoor unit Input power (kW) unit (kBtu/h) indoor unit (kBtu/h) (kBtu/h) Room 1 Room 2 Room 3 Total Room 1 Room 2 Room 3 Room 1...
6-2. Cooling capacity NOTE: Values mentioned in the table are calculated based on the maximum capacity. Model: AOU24RLXFZH • TC: Total Capacity, SHC: Sensible Heat Capacity, IP: Input Power • The data is based on the following conditions: Pipe length: 7.5 m, Height difference: 0 m [Outdoor unit—Indoor unit] ...
6-3. Heating capacity NOTE: Values mentioned in the table are calculated based on the maximum capacity. Model: AOU24RLXFZH • TC: Total Capacity, IP: Input Power • The data is based on the following conditions: Pipe length: 7.5 m, Height difference: 0 m [Outdoor unit—Indoor unit] ...
7. Capacity compensation rate for pipe length and height difference Height difference H Indoor unit is higher than outdoor unit Indoor unit is lower than outdoor unit Outdoor unit Indoor unit Outdoor unit Indoor unit Connection pipe Connection pipe 7-1. Model: AOU24RLXFZH NOTE: Values mentioned in the table are calculated based on the maximum capacity.
8. Additional charge calculation 8-1. Model: AOU24RLXFZH Refrigerant type R410A lb oz 4 lb 14 oz Refrigerant amount 2,200 Refrigerant charge 98 or less 229 (Max.) Total pipe length 30 or less 70 (Max.) 0.21 oz/ft (20 g/m) lb oz 7.1 oz 14.1 oz 21.2 oz...
10-2. Sound level check point Rear Microphone Microphone Airflow 39-3/8 in (1 m) Side view Rear view NOTE: Detailed shape of the actual outdoor unit might be slightly different from the one illustrated above. - 215 -...
11. Electrical characteristics Model name AOU24RLXFZH Voltage 208/230 ~ Power supply Frequency MCA *1 25.1 Starting current MAX. CKT. BKR *3 Wiring spec. *2 Power cable *1: Minimum Circuit Ampacity (Calculation based on UL1995) *2: Selected sample based on Japan Electrotechnical Standards and Codes Committee E0005. As the regulations of wire size and circuit breaker differ in each country or region, select appropriate devices complied to the regional standard.
12. Safety devices Model Type of protection Protection form AOU24RLXFZH Current fuse 250 V, 5 A (Main PCB) 250 V, 3.15 A Circuit protection Current fuse 250 V, 10 A (Near the terminal) 251 ±16 °F Activate (122 ±9 °C) Fan motor stop Fan motor protection Temperature thermistor...
14. Installation precautions 14-1. Outdoor unit installation precautions NOTE: The information listed below are general precautions. Some models also include items that do not apply. Place where use prohibited use • Places where there is a danger of combustible gas leakage. •...