BMKH MFCC user manual

21
Pipe Diameter Tightening Torque
1/4
〞（
Inch
）
15-30 (N·m)
3/8
〞（
Inch
）
35-40 (N·m)
1/2
〞（
Inch
）
45-50 (N·m)
5/8
〞（
Inch
）
60-65 (N·m)
3/4
〞（
Inch
）
70-75 (N·m)
7/8
〞（
Inch
）
80-85 (N·m)
5.2.4 Connecting the Pipe at the Outdoor Side Unit
5.2.5 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.
5.2.6 Heat Insulation on the Pipe Joints (Indoor Side Only)
Stick coupler heat insulation (large and small) to the place where connecting
pipes.
Fig. 14
CAUTION!
Be sure to connect the gas pipe after connecting the liquid pipe completely.
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
Fig. 13
Floor Ceiling Type Unit