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Super Free Match Series
21
9 Installation of Protective Layer
1) The refrigerant pipes should be insulated by the heat insulation material and plastic tape in
order to prevent water condensation and leakage.
2) Do not use the foam on the branch pipe as the material for heat insulation, heat insulation
material of branches should be the same as that of the pipeline.
NOTICE! The heat resistance of heat insulation material should be over than 120℃(248℉)
and its thickness is more than 9mm(3/8inch).
3) The joints of the system should be wrapped with the heat insulation material and no gap is
allowed on the joint of the system, as shown in the following figure.
Fig. 23
4) Bundle the refrigerant pipe and transmission line together with tape, and separate them from the
drain pipe to prevent the condensate water overflowing.
5) Wrap the pipe from the bottom of the outdoor unit to the top of the pipe where it enters the wall.
During the wrapping, the later circle should cover half of the former one.
CAUTION
1) At intervals of about 1 meter (3-1/4feet), fix the refrigerant pipes to the wall with brackets, that is, don’t
let the unit withstand the weight of it or float it in the air.
2) After the pipe is protected well enough, never bend it to form a small angle(＜90°), otherwise it would
crack or break.
3) Do not wrap the refrigerant pipes very tight, otherwise the insulation effect would be weakened.
Additionally, make sure the drain hose is separated from the refrigerant pipes.
4) After that, cover the hole on the wall with sealing materials to prevent wind and noise going into the
room.
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