Restraining The Piping - Fedders R407C Service Manual

• 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
Allen Key
Cap
Clamp
Drain
Hose
Drain
Loop
C16