York JVOHQ Series Installation & Maintenance Manual page 35

● Ensure that there is no gas inside the pipe when removing the closing pipe.
Otherwise, the pipe may be blown out and it may lead to injury.
● Do not expose surrounding parts and the oil return pipe of the compressor to flames when
torch is used. If the oil return piping is exposed to the fire, high temperature oil will spurt
and cause a fire or injury.
Gas side stop valve
Service port
only for refrigerant
charging hose connections
Tightening torque:15 N m
End cover
Tightening torque: b N m
Hexagon wrench
To open/close stem
Stem
Counter clockwise ... open
Clockwise ... close
Tightening torque: a N m
Refrigerant pipe
Outdoor Unit
JVOH080VPEMBQ
JVOH100VPEMBQ
JVOH120VPEMBQ
JVOH140VPEMBQ
JVOH160VPEMBQ
JVOH180VPEMBQ
JVOH200VPEMBQ
JVOH220VPEMBQ
JVOH240VPEMBQ
● After you fully open the stop valve, do not force the stem back again, otherwise it damages the stop
valve.
● When you run the test, fully open the stem. If stem is not completely open, it may damage the unit.
Refrigerant pressure
Stop Valve Torque
Liquid Side Stop Valve
Torque
Model
a (N ● m)
7~9
7~9
7~9
7~9
7~9
7~9
9~11
9~11
9~11
CAUTION
!
Liquid side stop valve
Service port
Only for refrigerant charge
Valve close torque : 15 N m
Cap
Tightening torque : b N m
"O"ring
Hexagon wrench
To open/close
stem
Stem
Counter clockwise ... open
Clockwise ... close
Tightening torque: a N m
Refrigerant pipe
Gas Side Stop Valve
Torque Torque
b (N ● m) a (N ● m)
33~42 18~22
33~42 18~22
33~42 18~22
33~42 25~31
33~42 25~31
33~42 25~31
50~62 25~31
50~62 25~31
50~62 25~31
NOTICE
31
Refrigerant pressure
Torque
b (N ● m)
49~58
49~58
49~58
49~58
49~58
49~58
49~58
49~58
49~58