GE AUH2436ZGDA Installation Instructions Manual page 12

Installation Instructions
Conventional Line Set Installation: Pipe Cutting / Pipe Flaring
Step 2: Deburring
Burrs will affect the air-tight seal of the refrigerant piping
connection. They must be completely removed.
1. Hold the pipe at a downward angle to prevent burrs from
falling into the pipe.
2. Using a reamer or deburring tool, remove all inside and
outside burrs from the cut section of the pipe.
3. After cutting and deburing, never allow tubing to be
exposed to the atmosphere. Tightly seal cut ends with
PVC tape.
Point down
All installations must have a field-supplied Bi-Flow filter
drier installed within 8" of the liquid service valve.
12
Pipe
Reamer
Step 3: Flaring
Proper flaring is essential to achieve an airtight seal.
1. Ensure there is enough insulation to protect the entire
line set from end to end.
2. Use the flare nuts from the accessories pouch, located
in the indoor unit packaging. Fit the nut on the tubing to
be flared.
Flare nut
Copper pipe
3. Remove the seal over the exposed end, and place the
tube into the R-410A flaring tool.
4. Run the tube against the flaring tool pipe stop, and
clamp the form on the tube.
5. Rotate the handle of the die clockwise until the clutch
releases, then remove the flared tubing from the form.
Flare form
A = ~1/16" (1.6mm)
6. Examine the flare to make sure there are no
imperfections on the lip of the flare, and that the back of
the flare exactly fits the seat of the flare nut.
A
Pipe
31-5000483 Rev. 2