INDOOR UNIT (Duct type) For authorized service personnel only. INSTALLATIONSANLEITUNG INNENGERÄT (Kanaltyp) Nur für autorisiertes Fachpersonal. MANUEL D’INSTALLATION UNITÉ INTÉRIEURE (type conduit) ARXK07GALH Pour le personnel agréé uniquement. ARXK09GALH MANUAL DE INSTALACIÓN ARXK12GALH UNIDAD INTERIOR (Tipo conducto) ARXK14GALH 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. 9381858019 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 Name and Shape Q’ty Application Hose band For installing drain hose WARNING For installation purposes, be sure to use the parts supplied by the manufacturer or other prescribed parts. The use of non-prescribed parts can cause serious accidents such as the unit to fall, water leakage, electric shock, or fi...
• Decide the mounting position with the customer as follows: 3.3. Installation the unit (1) Install the indoor unit on a place having a suffi cient strength so that it withstands against the weight of the indoor unit. WARNING (2) The inlet and outlet ports should not be obstructed; the air should be able to blow all Install the air conditioner in a location which can withstand a load of at least 5 times the over the room.
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3.3.2. Install the fi lters Side Inlet - Side Outlet Insulation material (Locally purchased) • Install the fi lters to the unit. 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 Nut A refrigerant R410A models. Also, when storing the piping, securely seal the openings by (Locally purchased) pinching, taping, etc.
When the fl are nut is tightened properly by your hand, hold the body side coupling with 4.3. Flare connection (Pipe connection) a separate spanner, then tighten with a torque wrench. (See the table below for the fl are nut tightening torques.) WARNING Tighten with 2 wrenches.
5.1B. ARXK**GALH model 5. INSTALLING DRAIN PIPES WARNING • When using the drain port on the left side of the unit, remove the drain cap and install it to the right side drain port. Do not insert the drain piping into the sewer where sulfurous gas occurs. (Heat exchange erosion may occur) Drain cap Insulate the parts properly so that water will not drip from the connection parts.
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Slit 1 Drain hose 2 Hose band Press fi rmly Press fi rmly Roll the in- sulation over Fasten the Hose band 2 at the position where the joint. horizontal against earth (ground). The Hose band 2 must be positioned at the right STEP 3 side of the Drain hose 1 as in the fi...
Install sleeves into any holes made in the walls for wiring. Otherwise, a short circuit could result. Model Use the included connection cables and power cables or ones specified by the ARXK07GALH 0.33 A manufacturer. Improper connections, insuffi cient insulation, or exceeding the allowable ARXK09GALH 0.33 A...
WARNING 6.2. Wiring method When using solid core cables, do not use the ring terminal. If you use the solid core cables with the ring terminal, the ring terminal's pressure bonding may malfunction and Example cause the cables to abnormally heat up. Outdoor unit or RB unit *1 B.
CAUTION 6.5. External input and external output (Optional To peel the fi lm from the lead cable, use a dedicated tool that will not damage the parts) conductor cable. When installing a screw on the terminal block, do not cut the cable by overtightening the screw.
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When connected to Apply voltage terminals of multiple indoor units with a connected unit, ● When function setting is “Operation/Stop” mode. be sure to make a branch outside the indoor unit using a pull box, etc. as shown on below [In the case of “Edge”...
(2) External output CAUTION • A twisted pair cable (22AWG) should be used. Maximum length of cable is 25m. To protect the cable insulation after opening a knockout hole, remove any burrs from • Use an external input and output cable with appropriate external dimension, depending the edge of the hole.
• Wiring arrangement 6.7. IR receiver unit (Optional parts) Controller PCB • For the installation method, please refer to the INSTALLATION MANUAL of IR receiver unit. Connection method • Connection terminals Controller PCB IR receiver unit terminal (CN18) • Wiring arrangement Core Controller PCB ...
Table A 7. FIELD SETTING Rotary switch Rotary switch Address Address setting setting There are 3 methods for address setting by FIELD SETTING as follows. Set by either of the methods. REF AD SW IU AD SW Each setting method is described (1) to (3) below. Refrigerant circuit Indoor unit (1) IU AD, REF AD SW settings ..
7.2. Custom code setting 7.4. Switching of airfl ow direction louver function Selecting the custom code prevents the indoor unit mix-up. When auto louver grille (Optional parts) is attached, set the airfl ow direction louver func- (Up to 4 codes can be set.) tion “Valid”.
7.5. Function setting 8. TEST RUN • FUNCTION SETTING can be performed with the wired or wireless remote controller. 8.1. Test run using Outdoor unit (PCB) (The remote controller is optional equipment) • Refer to the wired or wireless remote controller manual for detailed setting information. •...
Wired remote controller display 10. ERROR CODES UTY-RNKY / UTY-RNKG / UTY-RNKYT (3-wire type) If you use a wired type remote controller, error codes will appear on the remote control- Error code ler display. If you use a wireless remote controller, the lamp on the photodetector unit will output error codes by way of blinking patterns.
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