Huawei NetCol8000-A013 User Manual page 60

NetCol8000-A013 In-room Air Cooled Smart Cooling
Product
User Manual (600 mm Width)
4.
Issue 04 (2022-11-25)
Figure 3-24 Connecting outdoor unit stop valves
Tighten the pipe nuts, needle valve nuts, and rear cover nuts.
Figure 3-25 Stop valve
(1) Needle valve nut
NO TICE
Ensure that you tighten the nut to the specified torque. The failure torque for
the pipe nut of the liquid pipe stop valve is 70 N·m and that for the pipe nut
of the gas pipe stop valve is 100 N·m. The torque greater than the failure
torque will damage the screw thread.
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(2) Rear cover nut
3 System Installation
(3) Pipe nut
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