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Refrigerant Piping Connection
PIPING EXTENSION BEYOND FLARE FORM
Outer Diameter
of Pipe (in/mm)
A (in/mm)
Min.
0.25 in (6.35 mm)
0.375 in (9.5 mm)
0.5 in (12.7 mm)
0.63 in (16 mm)
Flare nut
Copper pipe
Fig. 5.3
Fig. 5.4
Flare form
Pipe
A
Fig. 6.5
DO NOT DEFORM PIPE
WHILE CUTTING
Be extra careful not to damage, dent, or
deform the pipe while cutting. This will
the unit.
Pipe
Reamer
Point down
Fig. 5.2
Step 2: Remove burrs
piping connection. They must be completely
removed.
1. Hold the pipe at a downward angle to
prevent burrs from falling into the pipe.
2.
burrs from the cut section of the pipe.
Step 3: Flare pipe ends
seal.
1. After removing burrs from cut pipe, seal the
ends with PVC tape to prevent foreign materials
from entering the pipe.
2. Sheath the pipe with insulating material.
3.
sure they are facing in the right direction,
because you cannot put them on or change their
Fig. 5.3.
4. Remove PVC tape from ends of pipe when
5.
The end of the pipe must extend beyond the
dimensions shown in the table below.
0.0275 in (0.7 mm)
0.04 in (1.0 mm)
0.04 in (1.0 mm)
0.078 in (2.0 mm)
0.05 in (1.3 mm)
0.063 in (1.6 mm)
0.07 in (1.8 mm)
0.086 in (2.2 mm)
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