16 AMS-SVX02A-EN
Unit Installation
Refrigerant pipe connection
As shown in fig. 10, use wrench and torque wrench simultaneously for removing or •
installing pipes.
Apply refrigerating engine oil on the tapered nut inside and outside, and then tighten it •
after 3-4 turns manually.
Tightening torque see table. 1 (over tighten may damage the nut and cause leakage)•
As shown in fig. 10, check the connecting pipe for air leakage and take heat insulation •
measures.
Wrap joints of air pipe and air collector pipe insulating sleeve with the sponge.•
Apply refrigerating
engine oil
Torque wrench
Wrench
Pipe joint
Liquid inlet pipe
Air collector pipe
Cable tie (x4)
Air collector pipe
insulating sleeve (accessory)
(For air pipe)
Liquid inlet pipe
insulating sleeve (accessory)
(For liquid pipe)
Tapered nut
Sponge (accessory)
(Wrap pipe joints with seal)
Figure 10.
Torque for tighten the nutTable 1.
Diameter
Wall thickness
(mm)
Tightening torque
Ø6.35mm ≥ 0.5 15-30 (N•m)
Ø9.52mm ≥ 0.71 30-40 (N•m)
Ø12.7mm ≥ 1 45-50 (N•m)
Ø15.9mm ≥ 1 60-65 (N•m)
Ø19.05mm ≥ 1 70-75 (N•m)
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