To Connect The Refrigerant Piping To The Outdoor Unit - Daikin RXQ35AMV1B Installer's Reference Manual

7 | Piping installation
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

Installer reference guide
38
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.
▪ 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.
a
c b
a Liquid stop valve
b Gas stop valve
c Service port
Width across flats (mm)
17
22
Tightening torque (N∙m)
Tightening torque (N∙m)
15~17
21~28
11~14
RXQ-A_ARXQ-A
R32 split series
4P513661-11P – 2021.11