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Split-Baureihe R410A Manuel d’installation Français Série split R410A Montagehandleiding Nederlands R410A Split-systeem Manual de instalación Español Serie Split R410A Models FTXR28EV1B Manuale d’installazione Italiano Serie Multiambienti R410A FTXR42EV1B FTXR50EV1B Εγχειρßδιο εγκατÜστασηò ΕλληνικÜ διαιροýìενηò σειρÜò R410A Manual de Instalação Portugues Série split R410A Рóêоводство...
Safety Precautions • Read these Safety Precautions carefully to ensure correct installation. • This manual classifies the precautions into WARNING and CAUTION. Be sure to follow all the precautions below: they are all important for ensuring safety. WARNING....Failure to follow any of WARNING is likely to result in such grave consequences as death or serious injury. CAUTION....Failure to follow any of CAUTION may result in grave consequences in some cases.
Indoor Unit Installation Drawings Removing and installing indoor unit. • Installation method 1) Using the marks (3 locations) on top of the indoor unit, attach the mounting plate hooks Mounting Mounting onto the indoor unit. plate plate 2) Attach the tabs on the bottom frame onto the Bottom mounting plate.
Installation Tips Removing and installing front panel. • Removal method Rotating shaft Rotating shaft 1) Open the front panel. 2) Spread out the shaft hole on the left side and remove the rotating shaft. Spread out the shaft hole on the right side as well and remove the rotating shaft.
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Installation Tips Removing and installing the front grille. • Removal method Fig. 1 Horizontal louver Top horizontal louver 1) Remove the front panel, air filter and upper panel. When removing or 2) Fully open the top and bottom horizontal louvers. attaching the front grille, pay attention to open or (See Fig.
How to replace the drain plug and drain hose. • Replacing onto the left side 1) Remove the insulation fixing screws on the right to Drain hose attachment position remove the drain hose. 2) Reattach the insulation fixing screw on the right as it * The drain hose is on the back of the unit.
Indoor Unit Installation Installing the mounting plate. • The mounting plate should be installed on a wall which can support the weight of the indoor unit. 1) Temporarily secure the mounting plate to the wall, make sure that the panel is completely level, and mark the boring points on the wall.
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Laying piping, hoses, and wiring. • Connect the humidifying hose to the indoor unit duct. Piping bundle diagram See 5. Humidifying hose installation work for details. Inter-unit wiring • Lay the piping, drain hose and humidifying hose Gas pipe according to the orientation of the piping coming out of Drain hose the unit, as shown below.
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Indoor Unit Installation 4-4. Wall embedded piping. Inner wall Insert drain hose Follow the instructions given under to this depth so it won’t be pulled Left-side, left-back, or left-bottom piping out of drain pipe. 1) Insert the drain hose to this depth so it won’t be Drain hose 50mm or more...
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Wiring. 1) Strip wire ends (15mm). 2) Match wire colours with terminal numbers on indoor and outdoor unit’s terminal blocks and firmly screw wires to the corresponding terminals. 3) Connect the earth wires to the corresponding terminals. 4) Pull wires to make sure that they are securely latched up, then retain wires with wire retainer. 5) In case of connecting to an adapter system.
Indoor Unit Installation 4) Remove the electric parts box cover. Fig. 2 (3 tabs) (Refer to Fig. 2) Electric parts box cover 4-1) Discharge the tab 3. 4-2) Pull up the electric parts box cover Tab 4 Guide rail slowly, discharge the tab 4, slide up, Tab 3 and discharge the tab 5.
Setting the Humidifying Hose Length Setting the humidifying hose length. • Set the humidifying hose length to ensure humidifying capacity. Matrix display Use the remote controller to set the humidifying hose length. When doing this, power on the unit as communication is established between the unit and the remote controller.
Refrigerant Piping Work Flaring the pipe end. (Cut exactly at 1) Cut the pipe end with a pipe cutter. right angles.) Remove burrs 2) Remove burrs with the cut surface facing downward Flaring so that the chips do not enter the pipe. Set exactly at the position shown below.
Trial Operation and Testing Trial operation and testing. 1-1. Measure the supply voltage and make sure that it falls in the specified range. 1-2. Trial operation should be carried out in either cooling or heating mode. • In cooling mode, select the lowest programmable temperature; in heating mode, select the highest programmable temperature.