Heat Controller DMH24DB-1 - Manual (Page 30)

30 Multi type Air Conditioner
Checking the Drainage, Forming the Pipings and Long Pipe Setting
Forming the piping
Form the piping by wrapping the con-
necting 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.
Trap
Trap
• Trap is required to prevent water from entering
into electrical parts.
Plastic
band
Taping
Drain hose
Pipings
Connecting
cable
Power supply
cord
Seal a small
opening around
the pipings with
gum type sealer.