Daikin RTSQ20PY1 Service Manual page 429

SiBE31-801_C
1. Flaring tool
• Dimension A
• Change of dimension A
Conventional flaring tools can be used when the work process is changed.
(change of work process)
Previously, a pipe extension margin of 0 to 0.5mm was provided for flaring. For R-410A air
conditioners, perform pipe flaring with a pipe extension margin of 1.0 to 1.5mm.
(For clutch type only)
Conventional tool with pipe extension margin adjustment can be used.
Precautions for New Refrigerant (R-410A)
Flare gauge
Specifications
Tube O.D.
Nominal size
Do
1/4 6.35
3/8 9.52
1/2 12.70
5/8 15.88
3/4 19.05
Differences
Precautions for New Refrigerant (R-410A)
+
A
−
Class-2 (R-410A)
9.1
13.2
16.6
19.7
24.0
Dimension A
For class-1: R-407C
For class-2: R-410A
Unit:mm
0
0.4
Class-1 (Conventional)
9.0
13.0
16.2
19.4
23.3
418