Step 4: Connect Pipes - Mirage IVEH121A Owner's Manual

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.
MINIMUM BEND RADIUS
When bending connective refrigerant piping, the
minimum bending radius is 4 in. See Fig 5.6.
DO NOT USE EXCESSIVE TORQUE
Excessive force can break the nut or damage the refrigerant piping. You must not
exceed torque requirementes shown in the table above.
Instructions for connecting
Piping to indoor Unit
1. Align the center of the two pipes that you will
connect. See Fig. 5.7
2. Tighten the flare nut as tightly as possible by
hand.
3. Using a spanner, grip the nut on the unit tub-
ing.
4. While firmly gripping the nut on the unit tub-
ing, use a torque wrench to tighten the flare nut
according to the torque values in the Torque
Requirements table below. Loosen the flaring nut
slightly, then tighten again.
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