Outdoor unit
5.Purging Method:
Push the air out of the indoor unit
and piping as followes:
(1) Remove the valve cap on 2-way
valve in outdoor unit.
(2) Loosen by 1/2 turn the flare nut of
gas pipe, which is conneted to
3-way valve.
(3) Loosen 2-way valve by 90
o
using
hexagon wrench, and after approx.
10 sec tighten it up. Gas comes out
through flare nut on wide pipe. If no
gas is discharged, tighten flare nut
with specified torque.
(4) Open 2-way and 3-way valves
using specified torque.
(5) Tighten the caps on the valves
with specified torque.
Valve rod
Valve cap
7-9
20-25
Tighten torque N.m
When connecting pipe exceeds 5 meters, 20g refrigerant shall be added
per exceeding meter. Charge according to the following list.
Piping length
Additional amount
7m
10m
No need
60g
Note: When extending piping, air inside piping shall be removed by using external
refrigerant gas, charge according to the following list.
12m
100g
3-way valve
2-way valve
3-way valve
2-way valve
6.35mm(1/4")
6.35mm(1/4")
9.52mm(3/8")
12.7mm(1/2")
Yasha Silver 7
Yasha Silver 9
Yasha Silver 12
Yasha Silver 18
Yasha Silver 22
7
Summary of Contents for HSU-07HEA03
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