Finalizing; Pipe Forming - LG THERMA V Air-to-Water Heat Pump Installation Manual

Finalizing

After pipes are connected and electric cables are wired, pipe forming and some tests are remained. Especially,
careful attention is required while proceeding leakage test because the leakage of the refrigerant effects degrade
of performance directly. Also, it is very hard to find leaked point after all installation procedures are finished.

Pipe Forming

Drain hose
(not used)
Taping Procedure
1. Tape the pipes, connecting cable and power cable from down to up. If taping direction is up to
down, rain drop may be sinking into the pipes or cables.
2. Secure the taped pipe along the exterior wall using saddle or equivalent.
3. Trap is required to prevent water from entering into electrical parts.
Seal a small Seal a small Seal a small
opening around opening around opening around
the pipings with the pipings with the pipings with
gum type sealant. gum type sealer. gum type sealer.
• Trap is required to prevent water from entering
into electrical parts.
Pipe
Vinyl tape(narrow)
Wrap with
vinyl tape(wide)
Taping
Drain hose
(not used)
Plastic Plastic Plastic
band band band
Connecting
cable
Refrigerat
Pipes
Power Cable
Piping and Wiring for Outdoor Unit
Do pipe forming by wrapping the connecting
Seal a small
cable and refrigerant pipe (between the indoor
opening around
the pipings with
unit and outdoor unit) with thermal insulation
gum type sealer.
material and secure it with two kinds of vinyl tape.
1. Tape the refrigerant pipe, power cable and
connecting cable from down to up.
2. Secure the taped pipe is along with the exterior
wall. Form a trap to prevent water entering the
room and electrical part.
3. Fix the taped pipe onto the wall by saddle or
equivalent.
Plastic
band
Seal a small opening Seal a small opening Seal a small opening
around the pipings around the pipings around the pipings
with gum type sealant. with gum type sealer. with gum type sealer.
Trap Trap Trap
Trap
Installation Manual 49