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Restraining the piping, Vacuuming the piping & the indoor unit – Fedders R407C User Manual

Page 36

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C16

• Unscrew the cap on the 2-way

and 3-way valve.

• After all lines are installed and

leak tested, set both the liquid

and gas line valves to fully open

position with the Allen Key for

the unit operation, as shown.

• Reinstall the cap and torque to

the specified value under Torque

Table on page 10.

Restraining the piping

• Wrap the tubing connection to

the unit with the insulation and

seal it with polyethylene tape.

• You may connect an additional

drain hose. The end of the drain

outlet should keep a distance

from the ground.

• Tape the connecting piping,

drain hose and wires with

polyethylene tape from bottom

upwards to the top, and secure

them to the wall.

• Fill any gap in the wall that has

been core drilled.

• Form a drip loop on the electri-

cal cable to prevent water

entering the electrical compart-

ment.

VACUUMING THE PIPING & THE INDOOR UNIT

Using Allen
Key to open
fully for unit
operation

Cap

Clamp

Drain
Hose

Drain
Loop

Allen Key