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Only for training and service purposes
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Checking the drainage and forming the pipings
Checking the drainage Form the piping
Form the piping by wrapping the connecting
portion of the indoor unit with insulation mate-
rial 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.
• Tape the piping, drain hose and connecting cable from
down to up.
• Secure the tapped piping along the exterior wall using sad-
dle or equivalent.
To check the drainage.
• Pour a glass of water on the evaporator.
• Ensure the water flows through the drain hose of the indoor
unit without any leakage and goes out the drain exit.
To remove the front panel from the indoor unit.
• Set the air direction louvers up-and-down to the
position(horizontally)by hand.
• Remove the securing screws that retain the front panel.
Pull the lower left and right sides of the grille toward you
and lift it off.
In cases where the Outdoor unit is installed
above the Indoor unit perform the following.
• Tape the piping and connecting cable from down to up.
• Secure the taped piping along the exterior wall. Form a trap
to prevent water entering the room.
• Fix the piping onto the wall by saddle or equivalent.
Drain piping
• The drain hose should point downward for easy drain flow.
• Do not make drain piping.
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