Sinclair ASC-24A, User Manual

Page: 31 / 40

Connection of refrigerant pipe
Besure to use both a spanner and torque wrench together as shown in the drawing,connecting or disconnecting pipes
to/from the unit.
Refer to table 1 to determine the proper tightening torque (over tightening may damage the flare and cause leaks.)
When conecting the flare nut,coat the flare both inside and outside with refrigerating machine oil and initially
tighten by hand 3 or 4 turns.
Check the pipe connector for gas leaks,then insulate it as shown in the drawing below.
Use sealing pad (11) to wrap joint between gas pipe and the insulation(8).
Indoor unit installation
Table 1
The maximun le
n
gth for refrigerant piping is 25 meters ,when the length exceeds 10
meters,you should charge additional(refrigerant as shown in following for per-meter added).
Pipe gauge
9.52
16
12
19
Tightening torque
30 40N.m
60 65N.m
45 50N.m
70 75N.m
Notes
Indoor unit installation
28
ASC-24A
Add 30g
ASC-36A
Add 30g
ASC-42A
Add 30g
29
Spanner