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Nur für autorisiertes Fachpersonal. MANUEL D’INSTALLATION UNITÉ INTÉRIEURE (type conduit) Pour le personnel agréé uniquement. MANUAL DE INSTALACIÓN UNIDAD INTERIOR (Tipo conducto) ARXD007GLEH Únicamente para personal de servicio autorizado. ARXD009GLEH MANUALE DI INSTALLAZIONE ARXD012GLEH UNITÀ INTERNA (tipo a condotto) ARXD014GLEH A uso esclusivo del personale tecnico autorizzato.
INSTALLATION MANUAL Except for EMERGENCY, never turn off main as well as sub breaker of the indoor units PART No. 9374342549 during operation. It will cause compressor failure as well as water leakage. VRF system indoor unit (Duct type) First, stop the indoor unit by operating the control unit, converter or external input device and then cut the breaker.
Name and Shape Q’ty Application Tool name Contents of change Pressure is huge and cannot be measured with a Cable tie (Large) For fixing the coupler heat insulation. conventional (R22) gauge. To prevent erroneous mixing of other refrigerants, the diameter of each port has been Gauge manifold changed.
300 mm or more 3. INSTALLATION WORK 3.1. Selecting an installation location 20 mm or more Correct initial installation location is important because it is difficult to move unit after it is installed. WARNING 20 mm or more Select installation locations that can properly support the weight of the indoor. Install the units securely so that they do not topple or fall.
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3.3A.1. Unit installation example (ceiling concealed type) Side Inlet - Side Outlet Connect the locally purchased duct. Insulation material (locally purchased) (1) Inlet side Aluminum tape • Connect the duct to the locally purchased inlet fl ange. Flange (locally purchased) •...
3.4.1. Install the filters Hanger bolt • Install the fi lters to the unit. Hanger Nut A (locally purchased) Washer (Accessories) Unit Nut B (locally purchased) 20 mm length Filter (Accessories) Cover AR007/009/012/014/018: 2 fi lters AR024: 3 fi lters *: It might become difficult to open and shut the Cover/control box cover when the length exceeds 20 mm.
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3.5.1. Unit installation example AR007/009/012/014/018: 2 filters (Wall mounted type/Floor standing concealed type) AR024: 3 filters Connect the locally purchased duct. (1) Inlet side • Connect the duct to the locally purchased inlet fl ange. • Connect the fl ange to the body with the locally purchased tapping screws. Unit Filter •...
4.3.1. Flaring 4. PIPE INSTALLATION Use special fl are tool exclusive for R410A. (1) Cut the connection pipe to the necessary length with a pipe cutter. CAUTION (2) Hold the pipe downward so that cuttings will not enter the pipe and remove any burrs.
Tighten with 2 wrenches. 5.1. When drain pump is used Holding wrench • Use general hard polyvinyl chloride pipe (VP25) [outside diameter 32 mm]. • Do not perform a rise, trap and air bleeding. • Provide a downward gradient (1/100 or more). Flare nut Torque wrench •...
(1) Ceiling concealed type 5.3. Install the drain pipe Gap of 1.5 to 2 m GOOD (1) Be sure to use supplied Drain hose ① and Hose band ② . Downward gradient ② Hose band (Accessories) 2.5 to 5.0 mm ①...
CAUTION MCA: Minimum Circuit Ampacity Model MFA: Main Fuse Ampacity Make sure the drain water is properly drained. ARXD007GLEH 0.38 A When the power crossover wiring is done, make it so that the total of the MCA of the ARXD009GLEH 0.42 A...
6.1.1. Cable specifications Strip 25 mm Follow the specifi cations below for the power supply, transmission and remote controller cable. Loop Recommended Cable type Remark cable size (mm Screw with Screw with special washer Power supply Type60245 IEC57 special washer Cable 2 Cable + earth (ground) or equivalent...
WARNING 6.5. Optional parts wiring Tighten the terminal screws to the specifi ed torques, otherwise, abnormal overheating 6.5.1. Layout of the indoor unit PCB may be produced and possibly cause heavy damage inside the unit. CN820 CN65 Controller PCB Terminal number Tightening torque M3 screw (Transmission/X1, X2) 0.5 to 0.6 N·m...
Wiring arrangement DC power supply P.C.B In following figure, all the possible connectors are connected for description. 12 to 24V In actual installation, you cannot connect all the connectors at once. Load EMI core (accessory resistance CNA01 of the IR receiver unit) Load resistance Load...
(2) External output NOTE : • A twisted pair cable (22AWG) should be used. Maximum length of cable is 25m. When connected to multiple indoor units directly, it will cause breakdown. • Use an external input and output cable with appropriate external dimension, depending on the number of cables to be installed.
7. FIELD SETTING 7.2. Custom code setting Selecting the custom code prevents the indoor unit mix-up. There are 3 methods for address setting by FIELD SETTING as follows. (Up to 4 codes can be set.) Set by either of the methods. Perform the setting for both the indoor unit and the remote controller.
Function 7.5. Switching of airflow direction louver function Function Setting number Default Details number When auto louver grille (Optional parts) is attached, set the airfl ow direction louver func- Forced ther- tion “Valid”. mostat off The airfl ow direction louver of auto louver grille can be operated by the remote controller while the airfl...
10. ERROR CODES If you use a wired type remote controller, error codes will appear on the remote controller display. If you use a wireless remote controller, the lamp on the photodetector unit will output error codes by way of blinking patterns. See the lamp blinking patterns and error codes in the table below.
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