Gree U-MATCH B Series, Руководство пользователя

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U-MATCH SERIES DC INVERTER AIR CONDITIONERS SERVICE MANUAL
64
Examine the connection pipe to see if it leaks, then take the treatment of heat insulation, as shown
in the Figure 3-2-6.
Use the medium-sized sponge to insulate the coupler of the gas pipe.
Figure 3-2-6
Table 3-2-2 Flare nut tightening torque
Pipe Diameter Tightening Torque
6mm(1/4inch) 15-30N·m(11-22ft.-1b.)
9.5mm(3/8 inch) 35-40N·m(26-29ft.-1b.)
12.7mm(1/2 inch) 45-50N·m(33-37ft.-1b.)
16mm(5/8 inch) 60-65N·m(44-48ft.-1b.)
CAUTION!
Be sure to connect the gas pipe after connecting the liquid pipe completely.
3.1.4 Connecting the Pipe at the Outdoor Side Unit
Tighten the flare nut of the connection pipe at the outdoor unit valve connector. The tightening
method is the same as that as at the indoor side.
Figure 3-2-2
3.1.5 Checking the Pipe Connections for Gas Leaking
For both indoor and outdoor unit side, check the joints for gas leaking by the use of a gas leakage
detector without fail when the pipes are connected.