20
(Optional) Welding a Low Temperature Component
6.8
(1) To indoor
unit liquid pipe
(2) To indoor unit
gas pipe
(3) To outdoor
unit gas pipe
(4) To outdoor unit
liquid pipe
•
When the outdoor unit is side-
installed, the gas pipe is in the
upper part, and the liquid pipe is
in the lower part.
•
A reducing pipe is required when
welding a 3/4 inch copper pipe to
a 5/8 inch connector.
Welding a Water-Cooled Module
6.9
5/8 inch liquid pipe
7/8 inch gas pipe
7
Connecting Water Pipes
Connecting a Humidifier Water Inlet Pipe
7.1
G 3/4 inch reserved connector
with external screw threads
G 3/4 inch adapter with
internal screw threads
①
Matched with the adapter, 0.7 MPa
pressure resistance
Note
①
:
1. When plastic materials such as PA66 are used, the recommended torque is 5 N·m.
2. When metal materials are used, the recommended torque is 10 N·m. A sealing washer must
be used when a union is used.
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