Gree GMV-Pds100W/Na-K, Инструкция по установке и эксплуатации

Страница: 18 / 38

18
Connection between Indoor and Outdoor Units
Connection of indoor and outdoor outlet pipes
See Table 5 for the torque required for tightening the nuts.
Align the flared end of copper pipe with the center of threaded
connector and use your hands to securely tighten the flared nuts.
☆
Tighten the flared nuts with torque wrench, until you hear a
‘KATA” sound from the torque wrench.
(as shown on right).
☆
The bend of pipe shall not be two small; otherwise the pipe
might be broken. Please use pipe bender to bend the pipe.
☆
Use sponge to wrap the connection pipes and connectors
that are not thermally insulated, and tighten with plastic
tapes.
Table 5 Torque required for tightening the nuts.
Pipe Diameter
Wall Thickness
(mm)
Tightening
Torque
φ6.35 ≥0.5 15 30(N·m)
φ9.52 ≥0.71 30-40(N·m)
φ12.7 ≥1 45-50(N·m)
φ15.9 ≥1 60-65(N·m)
φ19.05 ≥1 70-75(N·m)
Notes:
1. To avoid breaking the capillary or other pipes of the indoor unit and resulting in leakage, never use
strong force to pull the gas and liquid connector of the indoor unit when connecting the indoor unit and
pipes.
2. The connection pipes shall be supported by bracket, so that their weight will not be transferred to the
machine.
Indoor pipe Flared nut Pipe
Spann
er
Torque
wrench
Fig. 12