INSTALLATION MANUAL R410A Split Series Installation manual English R410A Split series Installationsanleitung Deutsch Split-Baureihe R410A Manuel d’installation Français Série split R410A Montagehandleiding Nederlands R410A Split-systeem Manual de instalación Models Español Serie Split R410A FTXS20D(2)VMW(L) FTKS20D(2)VMW(L) Manuale d’installazione FTXS25D(2)VMW(L) FTKS25D(2)VMW(L) Italiano Serie Multiambienti R410A FTXS35D(2)VMW(L) FTKS35D(2)VMW(L)
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.
Installation Tips Removing and installing front panel. • Removal method Hook fingers on the panel protrusions on the left and right of the main body, and open until the panel stops. Slide the front panel sideways to dis- engage the rotating shaft. Then pull the front panel toward you to remove •...
How to set the different addresses. When two indoor units are installed in one room, the two wireless remote con- trollers can be set for different addresses. 1) In the same way as when connecting to an HA system, remove the metal plate electrical wiring cover.
Indoor Unit Installation How to attach the indoor unit. Mounting Hook the claws of the bottom frame plate to the mounting plate. If the claws are difficult to hook, remove the front grille. Clip How to remove the indoor unit. A Mounting plate Push up the marked area (at the lower part of the front grille) to...
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.
Indoor Unit Installation Boring a wall hole and installing wall embedded pipe. • For walls containing metal frame or metal board, be sure to use a wall embed- ded pipe and wall cover in the feed-through hole to prevent possible heat, electrical shock, or fire.
3-2. Left-side, left-back, or left bottom piping. Remove pipe 1) Attach the drain hose to the underside of the refrigerant pipes port cover here for left- with adhesive vinyl tape. side piping. Left-side piping Left-back Remove pipe port cover here for left-bottom piping. piping Left-bottom piping 2) Be sure to connect the drain hose to the drain port in place of a...
Indoor Unit Installation Wiring. , install as described in the installation manual supplied with the Multi outdoor unit. With a multi indoor unit 1) Strip wire ends (15 mm). 2) Match wire colours with terminal numbers on indoor and outdoor unit’s terminal blocks and firmly screw wires to the corre- sponding terminals.
Drain piping. The drain hose should be inclined downward. 1) Connect the drain hose, as described below. No trap is permitted. Do not put the end of the hose in water. 2) Remove the air filters and pour some water into the drain pan to check the water flows smoothly.
Refrigerant piping work Refrigerant piping. Flare nut tightening torque 1) Align the centres of both flares and tighten the flare Gas side Liquid side nuts 3 or 4 turns by hand. Then tighten them fully with 3/8 inch 1/4 inch the torque wrenches.
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 Make sure the front panel opens and closes smoothly using remote controller. (Do not do this using the indoor unit operation/stop button.) 1-3 Trial operation should be carried out in either cooling or heating mode.