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Installation Procedures
3.Installation of water drainage pipe
(1) Install water drainage pipe
Pipe diameter shall be equal or larger than that of connecting pipe (Pipe of polythene; size:
25mm; O.D.: 32mm )
Drainpipe should be short, with a downward slope at least 1/100 to prevent air bag from forming.
If downward slope of drainpipe cannot be made,lifting pipe shall be installed.
Keep a distance of 1-1.5m between suspending bolts, to make water hose straight.
Use the drainage hose and clip provided with unit.
Insert water pipe into water plug until it reaches the white tape.
Tighten the clip until head of the screw is less than 4mm from hose.
Wind the drainage hose to the clip using seal pad for heat insulation.
Insulate drainage hose in the room.
Tape(white)
Cautions for the water drainage lifting pipe
Installation height of water drainage lifting pipe shall be less than 280mm
There should be a right angle with unit ,300mm from unit.
Drainage hose
Clip
< Note >
The slope of water drainage hose shall be within 75mm , make the drainage plug not to bear
excessive force.
If several water hoses join together, of as per following procedures.
Specifications of the selected drainage hoses shall meet the requirements for the unit running
1-1.5m
Slope over 1/100
Clip
Draingage hose
Suspending bracket
Water drainage
lifting pipe
220mm
Slope below 1/100
Large size seal pad
(accessory)
Clip
4mm below
Drainage hose
280mm unter
Connection drainage hose with a T-joint
27
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