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To open/close the stop valve
To handle the stem cap
To handle the service cap
7.2.7 To connect the refrigerant piping to the outdoor unit
RXF50~71D5V1B
R32 split series
4P519439-18T – 2022.06
1 Remove the stop valve cover.
2 Insert a hexagon wrench (liquid side: 4 mm, gas side: 6 mm) into the valve
stem and turn the valve stem:
3 Insert a hexagon wrench (liquid side: 4 mm, gas side: 4 mm) into the valve
stem and turn the valve stem:
Counterclockwise to open
Clockwise to close
4 When the stop valve CANNOT be turned any further, stop turning.
5 Install the stop valve cover.
Result: The valve is now open/closed.
▪
The stem cap is sealed where indicated with the arrow. Do NOT damage it.
▪
After handling the stop valve, tighten the stem cap, and check for refrigerant
leaks.
Stem cap
Liquid side
Gas side
▪
ALWAYS use a charge hose equipped with a valve depressor pin, since the service
port is a Schrader type valve.
▪
After handling the service port, tighten the service port cap, and check for
refrigerant leaks.
Item
Service port cap
▪
Piping length. Keep field piping as short as possible.
▪
Piping protection. Protect the field piping against physical damage.
1 Connect the liquid refrigerant connection from the indoor unit to the liquid
stop valve of the outdoor unit.
Width across flats (mm)
17
22
Tightening torque (N∙m)
7
Piping installation
|
Tightening torque (N∙m)
15~17
21~28
11~14
Installer reference guide
39
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