Daikin VRV Plus Series General Information Manual page 28

Si33-003.book Page 24 Monday, June 25, 2001 9:06 AM
Installation
Not You must use a torque wrench but if you are obliged to install the unit without a torque wrench, you may
recommendable follow the installation method mentioned below.
but in case of
emergency
After the work is finished, make sure to check that is no gas leak.
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:
24
Pipe size Further tightening angle
6.4 (1/4") 60 to 90 degrees
9.5 (3/8") 60 to 90 degrees
12.7 (1/2") 30 to 60 degrees
15.9 (5/8") 30 to 60 degrees
19.1 (3/4") 20 to 35 degrees
Recommended arm length of tool
Approx. 150mm
Approx. 200mm
Approx. 250mm
Approx. 300mm
Approx. 450mm
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SiE33-003
General Information