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28 Room Air Conditioner
Checking the drainage and forming the pipings
Forming the Piping
Form the piping by wrapping the connect-
ing portion of the indoor unit with insula-
tion material and secure it with two kinds
of vinyl tapes.
• 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.
Taping
Drain hose
Pipings
Connecting cable
Trap is required to prevent water
from entering electrical parts.
Seal small openings
around pipings with a
gum type sealer.
Seal a small opening
around the pipings
with gum type sealer.
Trap
Trap