GREE Duct type split Air conditioner Inverter Series
66
(4) When directly connecting a hard vinyl chloride pipe joint to the drain hose connected to the
indoor unit, use a commercially available hard vinyl chloride pipe joint (nominal diameter 13mm).
(5) Drain hose connectedto the indoor unitCommercially availablehard vinyl chloride pipejoint
(nominal diameter 13mm)Commercially availablehard vinyl chloride pipe(nominal diameter
13mm).
(6) Do not connect the drain piping directly to sewage pipes that smell of ammonia. The ammonia
in the sewage might enter the indoor unit through the drain pipes and corrode the heat exchanger.
6.2 Installing the Drain Pipes
(1) Insert the drain hose into the drain outlet, and tighten the clamp securely with tape.
(2) Tighten the clamp until the screw head is less then 4 mm from the hose.
(3) Insulate the pipe clamp and the drain hose using heat insulation sponge.
(4) If the air flow of indoor unit is high, this might cause negative pressure and result in return suction
of outdoor air. Therefore, U-type water trap shall be designed on the drainage side of each indoor
unit.
(5) Install water trap as shown below.
(6) Install one water trap for each unit.
(7) Installation of water trap shall consider easy cleaning in the future.
② . Insulation sponge(accessory)
① . Metal clamp (accessory)
② . Insulation sponge(accessory)
① . Metal clamp (accessory)
To Next Page
Loading...
