-
112
-
3) A flare size for R410A is different from that for R407C. Although we recommend the use of flare tools developed specifically
for R410A, conventional flare tools can also be used by adjusting the measurement of protrusion B with a protrusion
control copper pipe gauge.
A
H
B
17
22
26
29
ø6.35
ø9.52
ø12.7
ø15.88
H
Copper
pipe outer
diameter
Flare nut parallel side
measurement: H (mm)
9.1
13.2
16.6
19.7
ø6.35
ø9.52
ø12.7
ø15.88
0
-0.4
A
Copper
pipe outer
diameter
Flared pipe end: A (mm)
0~0.5
ø6.35
ø9.52
ø12.7
ø15.88
Copper
pipe outer
diameter
Copper pipe protrusion for flaring: B (mm)
0.7~1.3
With an R410A tool
In the case of a rigid (clutch) type
With a conventional tool
ø 6.35 Flare nut
ø 9.52 Flare nut
ø 12.7 Flare nut
ø 15.88 Flare nut
14~18 N·m (1.4~1.8kg·m)
34~42 N·m (3.4~4.2kg·m)
49~61 N·m (4.9~6.1kg·m)
68~82 N·m (6.8~8.2kg·m)
4) Tighten a flare joint securely with a double spanner. Use the following tightening torque values for flare nuts.
(c)
How to remove the service panel (Models FDCA 301~601 only)
First unscrew four screws holding the service panel in place, pull down the panel toward the direction indicated by the arrow,
and then pull it toward you to remove it from the casing.
(d) Refrigerant pipe connection (Models FDCA 301~601 only)
1) The pipe can be laid in any of the following directions: side right, front, rear and downward.
2) Remove a knock-out plate provided on the pipe penetration to open a minimum necessary area and attach an edging
material supplied as an accessory by cutting it to an approriate length before laying a pipe.
Rear side connection
Right side connection
Down side connection
Front side connection
Internal hook