Precautions When Doing Riser Piping Work - Gree GMV-ND07PLS/A-T(U) Service Manual

Multi Variable Air Conditioners Indoor Unit for North America
NO2: Connection of drain elbow
NO3: Connection of horizontal pipe
◆ When unifying multiple drain pipes, install the pipes as shown below. Select converging drain
pipes whose gauge is suitable for the operating capacity of the unit.(take the cassette type unit for
example)

5.3 Precautions When Doing Riser Piping Work

◆Make sure that heat insulation work is executed on the following 2 spots to prevent any possible
water leakage due to dew condensation.
a) Connect the drain hose to the drain raiser pipe, and insulate them.
b) Connect the drain hose to the drain outlet on the indoor unit, and tighten it with the clamp.
102