Performing Leak Test - Samsung AF28FVSDA Series User & Installation Manual

Performing leak test

f Use leak tester or soapsuds on the pipe connection part after performing vacuum pump. f
Test part for indoor unit
f Before inspecting the leakage, use a torque wrench to close the cap for the service valve.(Comply with a tightening f
torque for each size of the diameter, and tighten the cap firmly to prevent any leakage.)
f To check for any possible leakage, insert inert gas into the pipes connected to indoor/outdoor units and check the f
connection part of the indoor/outdoor units with soap lather or liquid for leakage test.
Tightening torque for body cap
(Refer to the table)
Charging
core
R-22: Diameter of the screw - 7/16-20UNF
R-410A: Diameter of the screw - 1/2-20UNF
Tightening torque for charging port cap
(Refer to the table)
50
S-east_MEMORY_IBIM_EN_03955A-02_EN.indd 50
Check for
leakage
Test part for outdoor unit
Diameter
Spindle
❋ ❋ 1 N•m = 10 kgf•cm
Check for
leakage
Tightening torque
Outer
Body cap Charging port cap
(N•m)
(mm)
Ø6.35 20 ~ 25
Ø9.52 20 ~ 25
Ø12.7 25 ~ 30 10 ~ 12
Ø15.88 30 ~ 35
Ø19.05 35 ~ 40
(N•m)
2014-10-28 오후 12:01:04