Instruction of the GMV D.C. Inverter
11
Y-type manifold pipe must be installed so that the manifold is in vertical or horizontal direction.
Enlarged view A
Enlarged view B
On air pipe side, heat preservation materials able to endure 120℃ or a high temperature shall be used for
heat preservation of manifold pipe. Do not use the foam on manifold pipe as the material for heat preservation.
To prevent liquid pipe from leaking, it is required to connect the two types of heat preservation materials end
to end, i.e. the foam material on manifold pipe and the heat preservation material used on site. After that, wrap
up the joints between the two types of materials.
Caution:
For multi-split air conditioner system, each pipe shall be pasted with label to identify the pipe for each
system and avoid wrong connection.
4.4.6 Installation of Protective Layer on Connection Pipe
1) To avoid condensate dew or water leakage on connecting pipe, the air pipe and liquid pipe must be
wrapped with heat preservation material and adhesive pipe for insulation from the air.
2) The joints on indoor unit and outdoor unit must be wrapped with heat preservation materials and have
no clearance against the wall surface of indoor unit and outdoor unit.
No Gap
Caution:
When the pipe is properly protected, do not bend it to a very small angle; otherwise the pipe might crack
or broken.
3) Wrap the pipe with tapes.
Use the adhesive tape to wrap the connecting pipe and cable into one bundle. To prevent condensate
water from overowing out of the drainpipe, the drainpipe shall be separated from connecting pipe and cable.
Wrap the heat preservation tape so that each ring of tape shall press half of the previous ring.
Fix the wrapped pipe onto the wall with pipe clamp.
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