Page 1
AIR CONDITIONER INSTALLATION MANUAL Indoor Unit (Duct type) For authorized service personnel only. INSTALLATIONSANLEITUNG Innengerät (Für Luftkanalsysteme) Nur für autorisiertes Fachpersonal. MANUEL D'INSTALLATION Unité intérieure (Type conduit) Pour le personnel de service agrée uniquement. MANUAL DE INSTALACIÓN Unidad interior (Tipo ducto) Únicamente para personal de servicio autorizado.
INSTALLATION MANUAL Indicates a potentially hazardous situation that may result in CAUTION minor or moderate injury or damage to property. PART NO. 9379123143 Indoor Unit (Duct Type) Read carefully all safety information written in this manual before you install or use the air conditioner.
2.3. Accessories 3. GENERAL SPECIFICATION 3.1. Selecting the pipe material WARNING • For installation purposes, be sure to use the parts supplied by the manufacturer or other prescribed parts. CAUTION The use of non-prescribed parts can cause serious accidents such as the unit to fall, water leakage, electric shock, or fire.
4. INSTALLATION WORK 4.2. Installation dimension Install at least 20mm from the ceiling. WARNING Do not turn on the power until all installation work is complete. Carrying and installation of the unit should be performed by a sufficient number of people and with sufficient equipment that is adequate for the weight of the unit.
4.3.1. Installing the hangers CAUTION Hanging bolt installation diagram • If an intake duct is installed, take care not to damage the temperature sensor (the temperature sensor is attached to the intake port flange). 1,050 • Be sure to install the air inlet grille and the air outlet grille for air circulation. The 1,000 correct temperature cannot be detected.
(2) Safety drain Dimension A [mm] There is no need to provide a trap for the safety drain pipe. If the safety drain pipe is Pipe outside diameter Dimension B [mm] Flare tool for R410A, [mm (in.)] connected to the main drain pipe, make the connection below the trap on the main drain clutch type pipe.
Tighten with 2 wrenches. WARNING Holding wrench • Install sleeves into any holes made in the walls for wiring. Otherwise, a short circuit could result. Flare nut Torque wrench • Use the included connection cables and power cables or ones specified by the manufacturer.
6.2. Connection cable preparation Ring terminal Keep the earth (ground) wire longer than the other wires. Sleeve Power supply cable Earth (Ground) wire Screw with or connection cable special washer Screw with special washer • Use a 4-core wire cable. Ring terminal Ring Cable...
7. REMOTE CONTROLLER SETTING CAUTION When detecting the room temperature using the remote con- Temperature troller, please set up the remote controller according to the sensor following conditions. If the remote controller is not located prop- erly, the correct room temperature will not be detected, and thus abnormal conditions like “not cooled”...
(4) Press the SET TEMP. buttons ( ) to select the setting value. 8. FUNCTION SETTING The display flashes as shown to the right during setting value selection. CAUTION • Confirm whether the wiring work for outdoor unit has been finished. •...
Page 11
Setting record (4) Auto restart Enable or disable automatic system restart after a power outage. • Record any changes to the settings in the following table. (♦... Factory setting) Setting Setting Value Function Setting (1) Filter sign Setting Description Number Value (2) Cooling room temperature correction ♦...
Standard Simultaneous Simultaneous 8.3. Group control system pair twin triple Outdoor Outdoor Outdoor unit 1 unit 2 unit 3 CAUTION • When setting rotary switch, do not touch any other parts on the circuit board directly with your bare hands. Indoor Indoor Indoor...
9. OPTIONAL KIT INSTALLATION (OPTION) 11. TEST RUN CHECK ITEMS WARNING Regulation of cable differs from each locality, refer in accordance with local (1) Is operation of each button on the remote controller normal? rules. (2) Is the drain normal? (3) Is there any abnormal noise and vibration during operation? This air conditioner can be connected with the following optional kits.