72
Multi VRF Indoor
Unit Service Manual
4�4 Testing of Drain Piping
during COOL running.
(a) For wall mounted type
Plastic water
container
Drain pan
Do not let water spill
(b) For duct type
Portable pump
Refrigerant
pipes
Bucket
Air outlet
Drain outlet
(c) For cassette type
Drain hose
Test hole cover
Test hole
Above100mm
Drain vent for repair use (plastic
stopper is included) (drain the water
in waterspout by this outlet vent)
<
Immiting water from the outlet
vent terminal
>
Plastic water
container
(The length of the
pipe should be about 100mm.)
<
Immiting water from the rest hole
>
Air outlet
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