GMV5 Compact Series VRF Outdoor Unit
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thermal insulating material and adhesive pipe for insulation from the air;
2) For heat pump unit, liquid pipe should bear 70℃ or above, and gas pipe should bear 120℃ or above. For
cooling only unit, both liquid pipe and gas pipe should bear 70℃ or above.
Example: Polyethylene foam can bear 120℃ or above, and foaming polyethylene foam can bear 1200℃ or
above.
3) Joints at indoor and outdoor units should be wrapped with insulating material and leave no clearance
between pipe and wall. See Fig.13.
Fig.13
4) The foam attached on the manifold cannot be taken as insulating material.
5) When wrapping the tape, the later circle should cover half of the former one. Don’t wrap the tape so tightly,
otherwise the insulation effect will be weakened;
6) After wrapping the pipe, adopt sealing material to completely fill the hole so as to prevent wind and rain
from entering the room.
4.4.4 Support and Protection for Pipeline
(1) Support should be made for hanging connection pipe. Distance between each support cannot be over 1m;
(2) Protection towards accidental damage should be made for outdoor pipeline. When the pipeline exceeds 1m, a
pinch board should be added for protection.
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