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Piping installation
Installer reference guide
38
RXQ-A_ARXQ-A
R32 split series
4P513661-11P – 2021.11
To open/close the stop valve
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:
Counterclockwise to open
Clockwise to close
3
When the stop valve CANNOT be turned any further, stop turning.
4
Install the stop valve cover.
Result:
The valve is now open/closed.
To handle the stem cap
▪
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
Width across flats (mm)
Tightening torque (N∙m)
Liquid side
17
15~17
Gas side
22
21~28
To handle the service cap
▪
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
Tightening torque (N∙m)
Service port cap
11~14
7.2.7 To connect the refrigerant piping to the outdoor unit
▪
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.
a
b
c
a
Liquid stop valve
b
Gas stop valve
c
Service port
Содержание RXQ35AMV1B
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