Samsung AF28FVSDADFNMG manual Performing leak test, Test part for indoor unit, Nm = 10 kgfcm

Performing leak test

ffUse leak tester or soapsuds on the pipe connection part after performing vacuum pump.

Check for leakage

Test part for indoor unit

Check for

leakage

Test part for outdoor unit

ffBefore 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.)

ffTo 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 body cap (Refer to the table)

Spindle

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)

Outer		Tightening torque
Diameter	Body cap		Charging port
(mm)	(N•m)		cap (N•m)
Ø6.35	20	~ 25
Ø9.52	20 ~ 25
Ø12.7	25 ~ 30		10 ~ 12
Ø15.88	30 ~ 35
Ø19.05	35 ~ 40

❋❋1 N•m = 10 kgf•cm

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사우디,인도,나이지리아향 FAC MEMORY 냉방_IBIM_EN_03794A(7).indd 50 2014-03-12 오전 10:30:03