Installation Inspection And Testing; Step 4-1 Performing A Drain Leak Test; Step 4-2 Performing The Gas Leak Tests - Samsung AR TXHZ Series Installation Manual

Installation Inspection and Testing

Step 4-1 Performing a drain leak test

1 Pour water into the drain pan.
CAUTION
• Make sure that the water does not overflow onto the
electrical connection.
2 Check for leaks at the drain connection under the cover
panel.
3 Make sure that the hose is draining properly at the
outdoor unit.
24 English
<Front view>

Step 4-2 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/R-32 : Thread of the screw -1/2-2OUNF
Tightening torque for charging port cap (Refer to the table)
Outer diameter (mm)
Body cap
ø 6.35
ø 9.52
ø 12.70
ø 15.88
Over ø 19.05
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.
Spindle
Tightening torque
Charging port
(N•m) cap (N•m)
20 to 25
20 to 25
25 to 30 10 to 12
30 to 35
35 to 40
( 1 N•m = 10 kgf•cm )
Test parts for the
indoor unit
Test parts for the
indoor unit