Installation Inspection; Step 4.1 Performing The Gas Leak Tests - Samsung AR09KSFPDWQN User Manual

Installation Inspection

Step 4.1 Performing the gas leak tests

1. Before inspecting the leakage, use a torque
wrench to close the cap for the stop valve.
(Comply with a tightening torque for each size
of the diameter, and tighten the cap firmly to
prevent any leakage.)
Tightening torque for body cap
(Refer to the table)
Charging core
R-22: Thread of the screw - 7/16-2OUNF
R-410A: Thread of the screw -1/2-2OUNF
Tightening torque for charging port cap
(Refer to the table)
Outer diameter
inch(mm)
ø1/4inch(6.35mm)
14.8
ø3/8inch(9.52mm)
14.8
ø1/2inch(12.70mm) 18.4
ø5/8inch(15.88mm) 22.1
Over
ø3/4inch(19.05mm) 25.8
2. Insert inert gas into the pipes connected to
indoor and outdoor units.
3. Test leakage on the connection parts of the
indoor and outdoor units with soap lather or
liquid.
48 English
Spindle
Tightening torque
Body cap Charging port cap
f f
~ ~
18.4 (20 25)
~ ~
18.4 (20 25)
~ ~ )
22.1(25 30
~ ~
7.4 8.9(10 12)
~ ~
25.8 (30 35)
~ ~
29.5(35 40)
Test parts for the
indoor unit
Test parts for the
indoor unit