ENGLISH-21
02
INS
ta
LL
at
ION
Performing leak test
▶
Use leak tester or soapsuds on the pipe connection part after performing vacuum pump .
Check for
leakage
Check for
leakage
Test part for indoor unit
Test part for outdoor unit
▶
Before inspecting the leakage, use a torque wrench to close the cap for the service valve .(Comply with a tightening
torque for each size of the diameter, and tighten the cap firmly to prevent any leakage .)
▶
To check for any possible leakage, insert inert gas into the pipes connected to indoor/outdoor units and check the
connection part of the indoor/outdoor units with soap lather or liquid for leakage test .
Tightening torque for charging port cap (Refer to
the table)
Tightening torque for body cap (Refer to
the table)
R-22: Diameter of the screw - 7/16-20UNF
R-410A: Diameter of the screw - 1/2-20UNF
Charging
core
Spindle
Outer
Diameter
(mm)
tightening torque
Body cap
(N•m)
Charging port
cap (N•m)
Ø6 .35
20 ~ 25
10 ~ 12
Ø9 .52
20 ~ 25
Ø12 .7
25 ~ 30
Ø15 .88
30 ~ 35
Ø19 .05
35 ~ 40
❋
❋
1 N•m = 10 kgf•cm
Installing the earth wire
Earthing must be done by the installation specialist for your safety .
▶
Connect grounding electrode and the air conditioner .
FAC MEMORY-EU_IM_04036A-03_EN.indd 21
2016-03-30 오전 10:58:29
