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.
Within±30℃
Within±30℃
Cut in the middle
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 Clearance
Caution:
When the pipe is properly protected, do not bend it to a very small angle; otherwise the pipe
might crack or broken.
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