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Nur für autorisiertes Fachpersonal. MANUEL D’INSTALLATION Unité intérieure à système VRF (type conduit) Pour le personnel agréé uniquement. MANUAL DE INSTALACIÓN ARXD004HLAH Unidad interior del sistema VRF (Tipo conducto) ARXD005HLAH Únicamente para personal de servicio autorizado. ARXD007HLAH MANUALE DI INSTALLAZIONE ARXD009HLAH Unità...
INSTALLATION MANUAL [Original instructions] CAUTION PART No. 9374342631-01 Read carefully all security information before use or install the air conditioner. VRF system indoor unit (Duct type) Do not attempt to install the air conditioner or a part of the air conditioner by yourself. Contents This unit must be installed by qualified personnel with a capacity certificate for handling refrigerant fluids.
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CAUTION CAUTION 1. General 3. Repairs to sealed components 1-1 Installation • During repairs to sealed components, all electrical supplies shall be disconnected from • That the installation of pipe-work shall be kept to a minimum. the equipment being worked upon prior to any removal of sealed covers, etc. •...
2. ABOUT THIS PRODUCT CAUTION 10. Decommissioning 2.1. Refrigerant leakage sensor • Before carrying out this procedure, it is essential that the technician is completely familiar with the equipment and all its detail. For ARXD0**HLAH model only • It is recommended good practice that all refrigerants are recovered safely. •...
Name and Shape Q’ty Application 2.4. Optional parts Operation manual Description Model Application (CD-ROM) External input and For increasing the number of external input/ UTY-XCSX output PCB (*1) output connections. Installation template For positioning the indoor unit IR receiver unit UTY-TRHX For the wireless remote controller.
CAUTION 3.2. Installation dimensions Check that duct work does not exceed the range of external static pressure of equip- ment. Provide a service access for inspection purposes. Do not place any wiring or illumination in the service space, as they will impede service. Make sure to insulate ducts to avoid the dew condensation.
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Outlet side Inlet side P200 AR004/005/007/009/012/014 AR018 AR024 734 mm 934 mm 1134 mm 3.3.4. Fix the unit (1) Hang the unit Hanger bolt Hanger (locally purchased) AR004/005/007/009/012/014 AR018 AR024 650 mm 850 mm 1050 mm Washer A P200 × 2 = 400 mm P200 ×...
Dimension A [mm] 4. PIPE INSTALLATION Pipe outside diameter Dimension B [mm] Flare tool for R32/R410A, [mm (in)] clutch type CAUTION 6.35 (1/4) Be more careful that foreign matter (oil, water, etc.) does not enter the piping than with 9.52 (3/8) 13.2 refrigerant R32/R410A models.
4.4. Installing thermal insulation 5.2. When drain pump is not used (Natural drainage) Install the thermal thermal insulation after performing a refrigerant leak check (refer to the If the drain pump is not used, replace with installation manual for the outdoor unit for details). the drain cap.
(5) STEP1 - STEP3 5.3. Install the drain pipe Butt the insulation against the unit. (1) Be sure to use supplied Drain hose ① and Hose band ②. Unit ② Hose band (Accessories) ① Drain hose (Accessories) Slit Hard PVC side Drain hole Hose band...
MCA: Minimum Circuit Ampacity Model MFA: Main Fuse Ampacity WARNING ARXD004HLAH 0.29 A When the power crossover wiring is done, Electrical work must be performed in accordance with this manual by a person certified make it so that the total of the MCA of the ARXD005HLAH 0.29 A...
Fig. A 6.3. Unit wiring PROHIBITED GOOD Before attaching the cable to terminal block. 6.3.1. Power supply cable Adjust the length of power supply cable to avoid excessive tension with referring figure below. 10 mm Ground (earth) Connect to 1 side Different diameter cable 20 mm...
Wiring arrangement 6.5. Optional parts wiring In following figure, all the possible connectors are connected for description. 6.5.1. Layout of the indoor unit PCB In actual installation, you cannot connect all the connectors at once. CAUTION EMI core (accessory of the IR receiver unit) Do not operate any switches other than prescribed, as it can cause the unit to operate improperly or malfunction.
6.6.3. Function setting for external input and output 6.6. External input and external output (Optional parts) NOTE: 6.6.1. External input Inappropriate setting may cause an external device malfunction. Confirm whether all the • Indoor unit can be Operation/Stop, Emergency stop or Forced stop by using indoor unit settings have been performed appropriately according to the installing condition.
7. FIELD SETTING 7.2. Custom code setting Selecting the custom code prevents the indoor unit mix-up. (Up to 4 codes can be set.) There are 3 methods for address setting by FIELD SETTING as follows. Set by either of Perform the setting for both the indoor unit and the remote controller. the methods.
Setting 7.5. Switching of airflow direction louver function Function Function number Details number (♦: Default) When auto louver grille (Optional parts) is attached, set the airflow direction louver func- 00 ♦ 0°C tion “Valid”. The airflow direction louver of auto louver grille can be operated by the remote 0.5°C controller while the airflow direction louver function is valid.
10. ERROR CODES Wired Remote Controller Display UTY-RNR*Z* (2-wire type) 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 Touch the [Next Page] (or [previous page]) Error icon output error codes by way of blinking patterns.