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SET UP & USE
4. Remove PVC tape from ends of pipe
when ready to perform flaring work.
5. Clamp flare form on the end of the
pipe. The end of the pipe must extend
beyond the edge of the flare form in
accordance with the dimensions shown
in the table below.
PIPING EXTENSION BEYOND FLARE FORM
Outer Diameter of
Pipe
Ø .25" (6.35 mm)
.275" (.7 mm)
6. Place flaring tool onto the form.
7. Turn the handle of the flaring tool
clockwise until the pipe is fully flared.
8. Remove the flaring tool and flare form,
then inspect the end of the pipe for
cracks and even flaring.
Step 4: Connect pipes
When connecting refrigerant pipes, be
careful not to use excessive torque or to
deform the piping in any way. You should
first connect the low-pressure pipe, then the
high-pressure pipe.
Page 26
A
Min.
Max.
.5" (1.3 mm)
MINIMUM BEND RADIUS
When bending connective refrigerant piping,
the minimum bending radius is 4" (10 cm).
Instructions for Connecting Piping to Indoor
Unit
1. Align the center of the two pipes that you
will connect.
2. Tighten the flare nut as tightly as
possible by hand.
3. Using a spanner, grip the nut on the unit
tubing.
4. While firmly gripping the nut on the unit
tubing, use a torque wrench to tighten
the flare nut according to the torque
values in the Torque Requirements table
on Page 25. Loosen the flaring nut
slightly, then tighten again.
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