LG UU21WH Installation Manual page 11

Forming the piping
Form the piping by wrapping the
connecting portion of the indoor
unit with insulation material and
secure it with two kinds of vinyl
tape.
• If you want to connect an additional drain
hose, the end of the drain outlet should be
routed above the ground. Secure the drain
hose appropriately.
In cases where the outdoor unit is
installed below the indoor unit
perform the following.
1. Tape the piping, drain hose and connecting
cable from down to up.
2. Secure the tapped piping along the
exterior wall using saddle or equivalent.
In cases where the Outdoor unit is
installed above the Indoor unit
perform the following.
1. Tape the piping and connecting cable from
down to up.
2. Secure the taped piping along the exterior
wall. Form a trap to prevent water entering
the room.
3. Fix the piping onto the wall by saddle or
equivalent.
Seal a small
opening around
the pipings with
gum type sealer.
Seal a small Seal a small Seal a small
opening around opening around opening around
O U
T D
the pipings with the pipings with the pipings with
O O
U N
gum type sealer. gum type sealer. gum type sealant.
R
I T
Plastic Plastic Plastic
band band band
O U O U O U
T D T D T D
O O O O O O
U N U N U N
R R R
I T I T I T
• Trap is required to prevent water from entering
into electrical parts.
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
O U O U O U
T D T D T D
O O O O O O
U N U N U N
R R R
I T I T I T
Seal a small opening
around the pipings
with gum type sealer.
Trap
O U
T D
O O
U N
R
I T
Connecting Pipes
Plastic
band
Taping
Drain hose
Pipings
Connecting
cable
Power supply
cord
Trap
Installation Manual 11