Drain Test; Full Water Test; Drain Pipe Installation For Cassette Type Idu - Gree GMV-S120WL/A-S Service Manual

10.1.3.2 Drain pipe installation for cassette type IDU

1）Use pipe clips instead of applying glue to connect the hoses provided upon delivery and
plastic pipes on the device. Connect the other end of the joint to the elbow. The height from the
suction inlet of the discharge pump is about 200 to 500 mm. Ensure a proper inclination degree
while connecting to the main drain pipe.
2）The lifting pipe for drainage must be provided as shown in the following figure:
3) The drain pump shall be fixed securely. Otherwise, abnormal noises will be generated.

10.1.4 Drain test

Fill water to each IDU and check the water level of water tray and transparent condensate
drain hose, to check if water can drain smoothly. If water cannot drain smoothly, check if the pipe is
blocked or if the gradient of condensate pipe is not sufficient, and then solve the problem.

10.1.5 Full water test

1）Block the drain hole at the end of condensate pipe to ensure water can be kept in the pipe
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