Daikin VRV 5 RXYA8A7Y1B Installer And User Manual page 104

18 | Piping installation
To open the stop valve
Installer and user reference guide
104
▪ The gas and liquid stop valves are factory closed.
▪ Make sure to keep all stop valves open during operation.
▪ The figures below show the name of each part required in handling the stop
valve.
c
a Service port and service port cover
b Stop valve
c Field piping connection
d Dust cap
d a b
e c
a Service port
b Dust cap
c Hexagon hole
d Shaft
e Seal
▪ Do NOT apply excessive force to the stop valve. Doing so may break the valve
body.
1 Remove the dust cap.
2 Insert a hexagon wrench into the stop valve.
3 FULLY turn the stop valve counterclockwise and tighten until the correct
tightening torque value is achieved (see
NOTICE
Stop valves need to be opened on torque specified in this manual. It is not allowed to
turn valve "a quarter turn" back when opening it.
4 Install the dust cap.
Result: The valve is now open.
NOTICE
Reinstall dust cap to prevent aging of O-ring and risk of leakage.
a
b
d
"Tightening
4
torques" [ 105]).
RYMA5+RXYA8~20A7Y1B
VRV 5 heat pump
4P749918-1 – 2023.12