DC INVERTER MULTI VRF INSTALLATION
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17) Connection of drainage branch pipe to the standpipe or horizontal pipe of drainage main
pipe
The horizontal pipe cannot be connected to the vertical pipe at a same height. It can be
connected in a manner as shown below:
N01:3-way connection of drainage hose joint
NO2: Connection of drain elbow
NO3: Connection of horizontal pipe
Drainage hose is requisite for air conditioner unit. During cooling, the moisture in the air will
condense on the surface of evaporator. Such condensing water must be drained out of the unit.
Meanwhile, the drainage hose has an important role to determine if the air conditioner can plays
its full functions.
Indoor unit.
Indoor unit.
Joint
Joint
3-way connection of
drainage pipe joint
Connection of drain
elbow
Connection of
horizontal pipe
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