Checking before the end of all electrical work 2-way cassette type evaporator (with built-in drain pump)

 1. First, disconnect the rocker switch connector (white 2P) on the electronics box on the indoor unit, and then connect the 220/230 / 240V single-phase power to the L and N terminals on the electronics box.

The drain pump will not operate if the level switch is not disconnected.

Follow the same system check procedures after the electrical work has been completed. Then check the draining action of the system by adding water to the water supply opening and listen to the sound of the drain pump.

2. When the drain system check is complete, be sure to reconnect the 2P connector on the swing switch to its original position.

Also reinstall the rubber bearing in the water supply opening and place the circular insulator provided for the bearing.