Gree GMV-R series, Service Manual, Page: 75 / 188

72
Multi VRF Indoor
Unit Service Manual
4�4 Testing of Drain Piping
• After piping work is inished, check if drainage lows smoothly.
• Shown in the igure, Add approximately 1liter of water slowly into the drain pan and check drainage low
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
>
(d) For loor ceiling type
Air outlet