Refrigerant piping connection, Flaring work – FRIGIDAIRE FRS18PYS2 User Manual
Page 16
4. Flaring work.
die in the dimension shown in
the table below.
OUTER
Connection Adjustment
1. Align the pipes to be connected.
OUTER
TIGHTENING
Caution: Excessive twisting may
break the nut, depending on the
installation conditions.
Refrigerant piping connection
Bar
pipe
Handle
Clamp
handle
Yoke
Red arrow mark
Flare
nut
Pipings
Indoor unit
tubing
Copper
A (inch)
Max.
Min.
DIAMETER (inch)
0.051
0.063
0.071
0.095
0.028
0.039
0.039
0.087
2. Screw the flare nut with your
fingers, and then tighten it with
a spanner and torque wrench,
as shown in the following figure.
ADDITIONAL TIGHTENING
DIAMETER (inch)
Firmly hold copper pipe in a
1/4
3/8
1/2
5/8
1/4
3/8
1/2
5/8
TORQUE
TORQUE (lbf.in)
139
174
260
304
434
477
651
694
(lbf.in)
18