LG MULTI F Installation Manual page 155

F
MULTI
F
MULTI MAX
Bundling
If a conduit is not used on the connection from the outdoor unit to
the interior, bundle both insulated refrigerant pipes, the drain hose,
and outdoor unit to indoor unit / BD unit communication cable /
power wiring together with wide vinyl tape.
Special Applications
If an additional drain hose is necessary, the end of drain outlet
should be routed above the ground. Secure and the drain hose
appropriately.
When the Outdoor Unit is Installed Below the Indoor Unit:
1. Wrap the vinyl tape around the separately insulated refrigerant
piping, the drain hose, and the communications cable / power
wiring together from the bottom to top.
2. Secure the bundle along the outside wall using saddles or a simi-
lar type of piping support.
3. Seal any openings in the wall.
When the Outdoor Unit is Installed Above the Indoor Unit:
1. Wrap the vinyl tape around the separately insulated refrigerant
piping, the drain hose, and the communications cable / power
wiring together from the bottom to top.
2. Secure a portion of the bundle along the outside wall using sad-
dles or a similar type of piping support.
3. At the appropriate location, form a trap with the bundle to prevent
water from entering interior spaces or the electrical control box of
.
the outdoor unit
4. Secure the rest of the bundle along the outside wall using sad-
dles or a similar type of piping support.
5. Seal any openings in the wall.
REFRIGERANT PIPING PREPARATION
Due to our policy of continuous product innovation, some specifications may change without notification.
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Refrigerant Piping Insulation
Figure 68: Bundling the Connection Components (From Outdoor Unit to
Connection pipe
Vinyl tape (wide)
Connecting cable
Vinyl tape (narrow)
Figure 69: Special Applications.
Outdoor Unit Below Indoor Units
Seal the small opening
around the piping.
• A trap is required to prevent water from entering
the outdoor unit electrical control box.
Outdoor Unit Above Indoor Units
Indoor unit pipe
Wrap with vinyl tape
Pipe
Insulation and Tape
Drain Hose
Piping
Plastic
Connecting
Band
Cables
Power Supply
Cord
Seal the small opening
around the piping.
Trap
Trap
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