To Route The Refrigerant Piping - Daikin VRV 5 RXYA8A7Y1B Installer And User Manual

To close the stop valve
To handle the service port
Tightening torques

18.2.5 To route the refrigerant piping

RYMA5+RXYA8~20A7Y1B
VRV 5 heat pump
4P749918-1 – 2023.12
1 Remove the stop valve cover.
2 Insert a hexagon wrench into the stop valve and turn the stop valve clockwise.
3 When the stop valve cannot be turned any further, stop turning.
4 Install the stop valve cover.
Result: The valve is now closed.
▪ 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, make sure to tighten the service port cover
securely. For the tightening torque, refer to the table below.
▪ Check for refrigerant leaks after tightening the service port cover.
Stop valve size
[mm]
Valve body
Ø9.5
Ø12.7
Ø15.9
Ø19.1
Ø25.4
(a)
When opening or closing.
Installation of refrigerant piping is possible as front connection or side connection
(when taken out from the bottom) as shown in the figure below.
a
b
a Left-side connection
b Front connection
c Right-side connection
Tightening torque [N•m]
Hexagonal wrench
5~7 4 mm
8~10
14~16 6 mm
19~21 8 mm
c
18 Piping installation
|
(a)
Service port
10.7~14.7
Installer and user reference guide
105