SiMT041311E Installation ManualInstallation / Operation Manual 7418• Installation method Fig. 8Fig. 9Good WrongFront grille (bottom) How to set the different addressesElectrical wiring boxElectrical wiring box coverTabsHow to route the HA connection cord Pump down operation< Forced cooling operation >Using the indoor unit ON/OFF switchGas stop valve CloseLiquid stop valveValve capCAUTIONAfter closing the liquid stop valve, close the gas stop valve within 3 minutes, then stop the forced cooling operation.1) Attach the front grille (bottom).Make sure that the tabs on both sides are securelyhooked. (See Fig. 8)2) Attach the service lid and secure it with a screw.3) Attach the screw cover.4) Attach the front grilles (left and right) and tighten themounting screws (2 screws for the left side, 3 for theright side).The front grilles (left and right) are likely to override thefront grille (bottom). Pay due caution when attachingthem. (See Fig. 9)Overridingthe front grille(bottom)• When 2 indoor units are installed in one room, the 2 wireless remote controllers can be set for different addresses.Change the address setting of one of the two units.• For details, refer to the operation manual. Connecting to the HA system(Wired remote controller, central remote controller etc.)1) Remove the front panel, streamer unit, and front grille (right). (3 screws) (Refer to page 17)2) Remove the electrical wiring box cover. (3 tabs)3) Insert the HA connection cord into the HA connector “S21” (white).4) Route the HA connection cord.5) Reattach the electrical wiring box cover to the original position. (3 tabs)6) Reattach the front grille (right), streamer unit, and front panel to the original positions.HA connector“S21” (white)HexagonalwrenchAfter the operation, reattach the valve capto the original condition.In order to protect the environment, be sure to pump down when relocating ordisposing of the unit.1) Remove the valve cap from liquid stop valve and gas stop valve.2) Carry out forced cooling operation.3) After 5 to 10 minutes, close the liquid stop valve with a hexagonal wrench.4) After 2 to 3 minutes, close the gas stop valve and stop forced cooling operation.Open the front panel and press the indoor unit ON/OFF switch for at least5 seconds. (The operation will start.)• Forced cooling operation will stop automatically after about 15 minutes.To stop the operation, press the indoor unit ON/OFF switch.
