Using Stop Valve - Samsung AC090FCAPEH Installation Manual

Using stop valve

To Open the Stop Valve
1 . Open the cap and turn the stop valve counterclockwise by using a hexagonal
wrench .
2 . Turn it until the axis is stopped .
• Do not apply excessive force to the stop valve and always use
special instruments . Otherwise, the stopping box can be damaged
NOTE
and the back sheet can leaks .
• If the watertight sheet leaks, turn the axis back by half, tighten the
stopping box, then check the leakage again . If there is no leakage
any more, tighten the axis entirely .
3 . Tighten the cap securely .
To Close the Stop Valve
1 . Remove the cap .
2 . Turn the stop valve clockwise by using a hexagonal wrench .
3 . Tighten the axis until the valve reached the sealing point .
4 . Tighten the cap securely .
• When you use the service port, always use a charging hose, too .
• Check the leakage of refrigerant gas after tightening the cap .
CAUTION
• Must use a spanner and wrench when you open/tighten the stop valve .
32
Cap
Service port
Axis
Sealing point