Huawei NetCol8000-A013 User Manual page 53

NetCol8000-A013 In-room Air Cooled Smart Cooling
Product
User Manual (600 mm Width)
4.
Issue 02 (2020-11-09)
Figure 3-22 Connecting outdoor unit stop valves
Tighten the pipe nut, needle valve nut, and rear cover nut based on the
torque listed in Table
Figure 3-23 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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3-6.
(2) Rear cover nut
3 Installation Guide
(3) Pipe nut
46