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10.5.9 Installation of Protective Layer of Connecting Pipe
1. To avoid generation of condensate on the
connecting pipe and avoid leakage, the big pipe
and the small pipe of the connecting pipe must be covered by thermal
insulation materials, be bundled by adhesive tape, and be isolated
from air.
2. The joint connecting to the indoor unit must be wrapped by thermal
insulation material. There shall be no gap between the connecting
pipe joint and the wall of the indoor unit. Refer to the figure on right.
Caution:
1) After the pipes are wrapped by protective materials, never bend the pipes to form very small angle,
and otherwise the pipes may crack or break.
2) Do not wrap the protective tape too tight, and otherwise the efficiency of thermal insulation may
be decreased. Ensure that the condensate drainage flexible tube is separate from the bundled
pipes.
3) After the protective work is completed and the pipes are wrapped, use seal material to block the
hole in the wall, so as to prevent rain and wind from entering the room.
Fig.27
55
F
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