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INSTALLATION MANUAL INDOOR UNIT (Duct type) For authorized service personnel only. INSTALLATIONSANLEITUNG INNENGERÄT (Kanaltyp) Nur für autorisiertes Fachpersonal. MANUEL D’INSTALLATION ARXK007GLFH ARXK009GLFH UNITÉ INTÉRIEURE (type conduit) ARXK012GLFH Pour le personnel agréé uniquement. ARXK014GLFH MANUAL DE INSTALACIÓN ARXK018GLFH UNIDAD INTERIOR (Tipo conducto) ARXK024GLFH Únicamente para personal de servicio autorizado.
INSTALLATION MANUAL This mark indicates procedures which, if improperly performed, CAUTION might possibly result in personal harm to the user, or damage to PART No. 9381858118 property. VRF system indoor unit (Duct type) Read carefully all security information before use or install the air conditioner. Contents Do not attempt to install the air conditioner or a part of the air conditioner by yourself.
2.3. Accessories 2.4. Optional parts WARNING Description Model Application For installation purposes, be sure to use the parts supplied by the manufacturer or IR receiver unit UTY-TRHX For the wireless remote controller. other prescribed parts. Remote sensor UTY-XSZX Room temperature sensor The use of non-prescribed parts can cause serious accidents such as the unit to fall, water leakage, electric shock, or fi...
3.2. Installation dimensions 3.3. Installing the unit WARNING Provide a service access for inspection purposes. Do not place any wiring or illumination in the service space, as they will impede service. Install the air conditioner in a location which can withstand a load of at least 5 times the weight of the main unit and which will not amplify sound or vibration.
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Side Inlet - Side Outlet 3.3.2. Install the filters • Install the filters to the unit. Insulation material (Locally purchased) Aluminum tape Flange (Locally purchased) Filter (Locally purchased) Duct (Locally Intake grille purchased) (Locally purchased) Side Inlet - Side Outlet (Duct) Flange (Locally purchased) Insulation material (Locally purchased) Aluminum tape...
3.3.4. Fix the unit 4. PIPE INSTALLATION (1) Hang the unit Hanger CAUTION Hanger bolt Be more careful that foreign matter (oil, water, etc.) does not enter the piping than with refrigerant R410A models. Also, when storing the piping, securely seal the openings by Nut A pinching, taping, etc.
4.3.1. Flaring 4.4. Installing heat insulation Use special flare tool exclusive for R410A. (1) Cut the connection pipe to Install the heat insulation material after performing a refrigerant leak check (see the Instal- Check if [L] is the necessary length with a lation Manual for the outdoor unit for details).
5.1.2. When drain pump is not used (Natural drainage) 1 Drain hose 2 Hose band CAUTION Set “7.5. Switching of drainage function”. Otherwise it will cause water leakage. Move the position of the drain cap. Follow the procedure of drain pip- ing in "5.2.
Electrical work must be performed in accordance with this Manual by a person certified under the national or regional regulations. Be sure to use a dedicated circuit for the unit. ARXK007GLFH 0.33 A When the power crossover wiring is done,...
B. For strand wiring 6.2. Wiring method (1) Use ring terminals with insulating sleeves as shown in the figure below to connect to the terminal block. Example (2) Securely clamp the ring terminals to the cables using an appropriate tool so that the cables do not come loose.
(2) Connect the connection cable. 6.5.2. Power indicator lamp status Power indicator lamp (Green) Status contents Lit when the power is turned on. There is a fault with the communication board or the Fast flashing (every 0.1 second) main board. Y1,Y2: Remote The indoor unit is turned off and power is supplied controller cable...
6.6. External input and external output (Optional parts) P.C.B 6.6.1. External input • Indoor unit can be Operation/Stop, Emergency stop or Forced stop by using indoor unit CNA02 PCB CNA01 or CNA02. • “Operation/Stop” mode, “Emergency stop” mode or “Forced stop” mode can be selected with function setting of indoor unit.
6.6.2. External output 7. FIELD SETTING • A twisted pair cable (22AWG) should be used. Maximum length of cable is 25m. There are 3 methods for address setting by FIELD SETTING as follows. • Use an external input and output cable with appropriate external dimension, depending on the number of cables to be installed.
7.2. Custom code setting 7.5. Switching of drainage function Selecting the custom code prevents the indoor unit mix-up. If contained drain pump is not used, set the drainage function to “Invalid” in the drainage (Up to 4 codes can be set.) function switching.
Function 10. ERROR CODES Function Setting number Default Details number Forced ther- If you use a wired type remote controller, error codes will appear on the remote controller mostat off display. If you use a wireless remote controller, the lamp on the photodetector unit will output error codes by way of blinking patterns.