Daikin VRV REYQ96MTJU Design, Installation & Testing Instruction page 35

Si39-406
Not You must use a torque wrench but if you are obliged to install the unit without a torque wrench, you
may follow the installation method mentioned below.
recommendable
but in case of
After the work is finished, make sure to check that is no gas leak.
emergency
When you keep on tightening the flare nut with a spanner, there is a point where the tightening
torque suddenly increases. From that position, further tighten the flare nut the angle shown below:
General Information
Pipe size in. (mm) Further tightening angle
φ1/4" (6.4)
φ3/8" (9.5)
φ1/2" (12.7)
φ5/8" (15.9)
Recommended arm length of tool
60 to 90 degrees
60 to 90 degrees
30 to 60 degrees
30 to 60 degrees
Approx. 6" (150mm)
Approx. 8" (200mm)
Approx. 10" (250mm)
Approx. 12" (300mm)
Installation
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