Installation Of Drainage Hose For Different Types Of Indoor Unit - Gree DC Inverter Multi VRF Service Manual

DC INVERTER MULTI VRF
18). All the condensate pipes must be installed at a distance over 500mm from the electric
box of the unit.

8.3 Installation of drainage hose for different types of indoor unit

1) Duct-type Indoor Unit (Including General Static Pressure and Low Static Pressure)
a. Installation of drainage hose
The diameter of drainage hose
connection pipe. (PVC pipe: Dimension: Outer diameter 25mm, 32mm)
The drainage hose
avoid air bag.
To ensure that the drainage hose will not be bent and has enough gradient, a distance of
1 ~ 1.5m shall be kept between the hanger frames.
Use drainage hose
Insert the drainage hose to the root. From the middle of white tape, tighten the clamp until the
tightening distance to the screw head is shorter than 4mm.
A. For thermal isolation, use sealing tape to wrap the drainage hose
B. The indoor drainage hose shall be thermally insulated.
Sponge (grey)
C. To prevent foreign articles from entering the pipe, please minimize the bend of pipeline, thus
to ensure cleanliness of the drainage elbow.
D. The drainage hose
condensing on the outer surface of drainage hose
insulation tube.
shall be equal to or higher than the diameter of
shall be short and has a down gradient of 1/100 at least, thus to
Gradient over 1/100
and clamp.
Clamp
Drainage hose
must be wrapped with thermal insulation tube, thus to avoid
Big sponge (accessory)
Clamp (accessory)
. See below for the thickness of thermal
INSTALLATION
and clamp.
Below 4mm
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