Multi Variable Air Conditioners One-way Cassette Type Indoor Unit
8
Fig.4.1.5
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.
Fig.4.2.1
Pipe diameter(mm/inch)
Torque(N•m)
Φ6.35(1/4)
15~30
Φ9.52(3/8)
35~40
Φ12.7(1/2)
45~50
Φ15.9(5/8)
60~65
(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.
