+PUVCNNCVKQP/CPWCN
1.Align the center of the piping flare with the pyramidal face of relevant valve.
2.Screw in the flare nut by hand and then tighten the nut with spanner and torque wrenc h
refer to the following.
Indoor unit piping
Taper nut Piping
Spanner
Torque wrench
NOTE: Firstly connect the connection pipe to indoor unit, then to outdoor unit; pay attention to the piping bending,
and
do not damage
the connection pipe; the joint nut couldn’t tighten too much, otherwise it may cause leakage.
Installation of connection pipe
Fig.12
Hex nut
Tightening torque (N.m)
Ф
50
.
12
̚
55
Ф19
70
̚
75
