Daikin RXYTQ10U7YF [82/152] Piping installation

18 | Piping installation

Installer and user reference guide

RXYTQ8~16U7YF

VRV IV+ heat pump for high ambient temperatures

4P561157-1A – 2020.10

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.

NOTICE

Pay attention that mentioned torque range is applicable for opening

Ø19.1~Ø25.4mm stop valves only.

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 stop valve cover

▪ The stop valve cover is sealed where indicated by the arrow. Do NOT damage it.

▪ After handling the stop valve, tighten the stop valve cover securely, and check for

refrigerant leaks. For the tightening torque, refer to the table below.