Samsung RD040MHXCA Series Installation Manual page 24

I U
NSTALLING THE
Installing the Refrigerant Pipe Work (Continued)
Cap
Service
port
24
E-
FJM RD040MHXCA_IM_00000_E_2.23.10.indd 24
NIT
To Close the Valve Stem
1
Open the cap and turn the valve stem clockwise by using a hexagonal
wrench.
Valve stem
2
Tighten the valve stem until it reached the sealing edge.
Note
Sealing edge
3 Tighten the cap securely.
To Open the Valve Stem
1
Remove the cap.
2 Turn the valve stem counterclockwise by using a hexagonal wrench.
3
Turn the valve stem until it is stopped.
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.
 Must use a spanner and wrench when you open/tighten the valve stem.
Do not apply excessive force to the valve stem and always use

special instruments. Otherwise, the contact surface between
valve stem and sealing edge can be damaged and refrigerant
can leak through this damaged surface.
If refrigerant would leak, turn the valve stem back by half and

tighten the valve stem again, then check the leakage. If there is
no leakage any more, tighten the valve stem entirely.
CAUTION
2010-2-24 19:57:35