DC INVERTER MULTI VRF INSTALLATION
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）Do not tie the condensate pipe and refrigerant pipe together.
8) To ensure smooth drainage of condensate, a vent hole shall be set at the highest point of
drainage hose .
9) Carry out water flow test and full water test after the pipe connection is completed. On one
hand, check if the drainage is smooth; on another hand, check the piping system for any
leakage.
10) Steel sheath shall be provided to the pipe crossing the wall or slab. The pipe joint shall not
be positioned within the sheath. The steel sheath shall be flush with the wall surface or slab
base, but 20mm higher than the slab base. The sheath shall not affect the pipe gradient.
The clearance between pipe and sheath shall be blocked by using flexible inflammable
materials. The sheath shall not be used as the supporting point of the pipe.
11) The joint of thermal insulation materials must be adhered by using special glue and then
wrapped with plastic tape having a width not less than 5cm to avoid condensing.
12). Ensure a gradient over 1% when connecting the drainage hose to the indoor unit.
13) When connecting the drainage hose to the indoor unit, please fix with the included pipe
clamp and do not use glue water, thus to ensure easy repair.
14) Installation requirements for auxiliary drainage hose
Indoor Unit
Mounting of horizontal pipe
Main pipe
Main pipe
Main pipe
Gradient over 1/100
Pipe clamp
Unit drainage pipe
Draina
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