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7. Installation details
7.1 Wrench torque sheet for installation
Ф6.35
Ф12.7
7.2 Connecting the cables
The power cord of connect should be selected according to the following specifications sheet.
7.3 Pipe length and the elevation
Capacity
Btu/h
Gas
18K
1/2'' (Ф12.7)
Caution:
Capacity is base on standard length and maximum allowance length is base of reliability.
Oil trap should be installed per 5-7 meters.
7.4 Air purging of the piping and indoor unit
Required tools:
Hexagonal wrench; adjustable wrench; torque wrenches, wrench to hold the joints and gas leak detector.
Note:
The air in the indoor unit and in the piping must be purged. If air remains in the refrigeration piping, it will affect the
compressor, reduce the cooling capacity, and could lead to a malfunction of unit.
Be sure, using a torque wrench to tighten the service port cap (after using the service port), so that it prevents the gas
Outside diameter
mm
Unit
2
mm
Pipe size
Liquid
1/4'' (Ф6.35)
inch
1/4
1/2
Grade
9K
12K
18K
1.5
1.5
2.5
Standard
length
Elevation
(m)
5
Torque
Kgf.m
1.8
5.5
Max.
Max.
Length
B (m)
A (m)
10
25
Additional
refrigerant
(g/m)
30
12
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