VRF-SVX26D-EN
13
Installation
Figure 1.
Nitrogen flushing while brazing refrigerant pipes
Flared Pipe Connections
Clutch type and wing nut type flare tools are available for flared pipe connections.
1.
Slide the flare nut over the pipe to be flared.
2. Slide the end of the pipe into the hole on the flaring bar that fits the pipe, leaving a length of
pipe, determined by tool type (see table), extending above the flaring bar. Clamp it down.
Length of pipe extending above flare bar
Pipe
Flaring
bar
3. Attach the yoke to the flaring bar, centering the conical part over the end of the pipe that is
extending above the flaring bar.
Flow meter
Pressure regulator
Stop valve
Nitrogen
Nitrogen
R-410A clutch type
Conventional flare tool
Clutch type
Wing nut type
0–0.020 in.
0.04–0.06 in.
0.06–0.08 in.
