Daikin VRV IV W+ Series Installer And User Reference Manual page 88

18 | Piping installation
To open the stop valve
To close the stop valve
To handle the stop valve cover
Installer and user reference guide
88
b Stop valve cover
c Hexagon hole
d Shaft
e Valve seat
▪ Do NOT apply excessive force to the stop valve. Doing so may break the valve
body.
1 Remove the stop valve cover.
2 Insert a hexagon wrench into the stop valve and turn the stop valve
counterclockwise.
3 When the stop valve cannot be turned any further, stop turning.
4 Install the stop valve cover.
Result: The valve is now open.
To fully open the Ø19.1~Ø25.4 mm stop valve, turn the hexagonal wrench until a
torque between 27 and 33 N•m is achieved.
Inadequate torque may cause leakage of refrigerant and breakage of the stop valve
cap.
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.
▪ The stop valve cover is sealed where indicated by the arrow. Do NOT damage it.
RWEYQ8~14T9Y1B
VRV IV water-cooled system air conditioner
4P452191-1B – 2020.10