Test For Condensate Pipe - Gree DC Inverter Multi VRF Service Manual

DC INVERTER MULTI VRF
The extended section of drainage hose shall be wrapped with thermal insulation sheath when
passing the room.
After installation of the drainage hose, be sure to make water test and check if the water can
be drained smoothly.
b. After piping work, check if the draining flow is smooth.

8.4 Test for Condensate Pipe

The water test for condensate pipe includes closed water test and drainage test. The closed
water test is focused on checking if the drainage hose system is well sealed and if there is any
leakage. The drainage test is focused on checking if the drainage hose
water smoothly and thoroughly and ensuring that there is no water deposit (except the specially
designed water trap).
After connection of the drainage hose is completed, firstly carry out closed water test. Seal
the outlet of drainage hose with adhesive tape or plug. Then, fill water into the drainage hose
system form indoor unit side. Stop filling after ensuring that all the drainage hoses are filled with
water. After 24 hours, check all the joints of water pipe for any leakage. If any, repair and reinstall.
If no leakage, proceed to drainage test.
Remove the adhesive tape or plug from the drainage hose. Check the water tray and drainage
hose of indoor unit if the drainage is thorough and if there is any water deposit. If any, readjust
it. If not, complete the water test and proceed to the thermal insulation on all pipe joints.
Thermal insulation of
condensate pipe
Pipe cover
Fig.3.41
Drainage hose
Drainage hose
INSTALLATION
system can drain
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