York ERJC 36 Installation Instructions Manual page 10

by johnson controls
Diameter
φ6.35mm
φ9.52mm
φ12.7mm
φ15.9mm
CUATION ！
D uring the connection of the indoor unit and the refrigerant pipe, never pull any joints of the indoor
① .
unit by force; otherwise the capillary pipe or other pipe may crack, which then would result in leakage.
T he refrigerant pipe should be supported by brackets, that is, don't let the unit withstand the weight of
② .
it.
CUATION ！
For the GMV multi VRF system, each pipe should be labeled to tell which system it belongs to avoid
mistaken inaccurate piping.
e. Installation of the Protection Layer of the Refrigerant Pipe
1) The refrigerant pipe should be insulated by the insulating material and plastic tape in order to prevent
condensing and leaking.
2) The joints of the indoor unit should be wrapped with the insulating material and no gas is allowed on
the joint of the indoor unit, as shown in Fig.7.
CUATION ！
After the pipe is protected well enough, never bend it to form a small angle; otherwise it would crack or
break.
f. Wrapping the pipe with tape
10
Pipe
Ordinary
Fig. 6
Table 5 ： Moments of Torque for Tightening Screws
Wall Thickness（mm）
≥ 0.5
≥ 0.71
≥ 1
≥ 1
No gap
Fig.7
Installation Instructions
Flare Nut
Pipe
Torque Wrench
Moment of Torque
7
15-30(N·m)
30-40(N·m)
45-50(N·m)
60-65(N·m)