18
|
Piping installation
Installer and user reference guide
105
RYMA5+RXYA8~20A7Y1B
VRV 5 heat pump
4P749918-1 – 2023.12
To close the stop valve
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.
To handle the service port
▪
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.
Tightening torques
Stop valve size
[mm]
Tightening torque [N•m]
(a)
Valve body
Hexagonal wrench
Service port
Ø9.5
5~7
4 mm
10.7~14.7
Ø12.7
8~10
Ø15.9
14~16
6 mm
Ø19.1
19~21
8 mm
Ø25.4
(a)
When opening or closing.
18.2.5 To route the refrigerant piping
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
c
a
Left-side connection
b
Front connection
c
Right-side connection
Summary of Contents for VRV 5 RXYA8A7Y1B
Page 197: ......
Page 198: ......
Page 199: ......
Page 200: ...4P749918 1 2023 12 Copyright 2023 Daikin Verantwortung f r Energie und Umwelt...