BMKH MCC User Manual

hand tight and then tighten it with the spanner.
Refer to Table to check if the wrench has been tightened properly (too tight would mangle the
nut and lead to leakage).
Use the medium-sized sponge to insulate the coupler of the gas pipe.
Examine the connection pipe to see if it leaks, then take the treatment of heat insulation, as
shown in the Fig.12.
Fig.12
Table 6 Flare nut tightening torque
CAUTION!
Be sure to connect the gas pipe after connecting the liquid pipe completely.
DC Inverter Free match Series Cassette Type Unit
Pipe Diameter(inch)
1/4''
15-30
3/8''
35-40
5/8''
Tightening Torque(N·m)
60-65
1/2''
45-50
3/4''
70-75
7/8''
80-85
20