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Checking the Drainage, Forming the Pipings and Long Pipe Setting
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.
18 Room Air Conditioner
Trap is required to prevent the electrical parts
from entering the water.
Seal a small opening around
the piping with gum type sealer.
Gas side
piping
Main cable
Tube PE
Foam
Connecting
Cable
Connecting
Cable
(For heater)
Trap
Trap
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