3
.7.2 Form the piping
A. Form the piping by wrapping the connecting portion
of the indoor unit with insulation 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.
B 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.
,
Taping
Pipings
Connecting
cable
Drain
hose
Seal small openings
around pipings with a
gum type sealer.
Trap is required to prevent water
from entering into electrical parts.
C. 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.
Trap
Seal small openings
around pipings with a
gum type sealer.
,
Trap
Trap is required to prevent water
from entering into electrical parts.
3
.7 Checking the Drainage and forming
the pipings
3
.7.1 Checking the drainage
A. To remove the front panel from the indoor unit,
remove the front panel from the indoor unit cabinet.
1) Set the air direction louvers up-and-down to the posi-
tion(horizontally) by hand.
2) Remove 3 screws that retain the front panel.
Pull the lower left and right sides of the grille toward
you and lift it off.
Grille
Remove screws (3places)
Chassis
B. To check the drainage.
1) Pour a glass of water on the evaporator.
2) Ensure the water flows through the drain hose of the
indoor unit without any leakage and goes out the drain
exit.
,,
,,
C. Drain piping
• The drain hose should point downward for easy drain
flow.
• Do not make drain piping.
Downward slope
Do not raise
Accumulated
drain water
Tip of drain hose
dipped in water
Air
Waving
Water
leakage
Water
leakage
Ditch
Less than
50mm gap
Water
leakage
Air Conditioner Service Manual
13
Содержание KSWT SERIES
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