Finalizing - LG THERMA V Installation Manual

PIPING AND WIRING FOR OUTDOOR UNIT
76
CAUTION
!
The Power cord connected to the unit should be selected according to the following
specifications.

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
Taping Procedure
- 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.
- Secure the taped pipe along the exterior wall using saddle or equivalent.
- 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.
* Outdoor unit figure is a representative model U4 chassis.
Pipe
Vinyl tape(narrow)
Wrap with
vinyl tape(wide)
(For Split)
Drain hose
(not used)
Connecting
cable
Taping
Plastic Plastic Plastic
band band band
minimum
Refrigerat
50 mm
Pipes
Power Cable
Seal a small
opening around
the pipings with
gum type sealer.
Do pipe forming by wrapping the connecting
cable and refrigerant pipe (between the indoor
unit and outdoor unit) with thermal insulation
material and secure it with two kinds of vinyl
tape.
- Tape the refrigerant pipe, power cable and
connecting cable from down to up.
- Secure the taped pipe is along with the
exterior wall. Form a trap to prevent water
entering the room and electrical part.
- Fix the taped pipe onto the wall by saddle or
equivalent.
(For Hydrosplit)
Drain hose
(in cooling mode)
Connecting
cable
Taping
minimum
50 mm
Power Cable
Plastic
band
Seal a small
opening around
the pipings
with gum
type sealant.
Trap Trap Trap
Trap