Refrigerant Pipe Connection - Lennox VRF VE8K007C432P Installation Manual

Multi Variable Air Conditioners Cassette Type Indoor Unit

4.2 Refrigerant Pipe Connection

(1) Aim the flaring port of copper pipe at the center of screwed joint and then tighten the flaring
nut with hand as shown in Fig.4.2.1.
(2) Tighten the flaring nut with torque wrench.
(3) Use pipe bend when bending the pipe and the bending angle should not be too small.
(4) Wrap the connection pipe and joint with sponge and then tie them firmly with tape.
Fig.4.1.5
Fig.4.2.1
Pipe diameter mm(inch)
Φ6.35(1/4)
Φ9.52(3/8)
Φ12.7(1/2)
Φ15.9(5/8)
8
Torque(N•m)
15~30
35~40
45~50
60~65