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Fig4 Indoor coil and drain pan set-up
Horizontal units must be configured for right hand air supply or left hand air supply. Horizontal
drain pan must be located under indoor coil. Failure to use the drain pan can result in property
damage.
Conversion in Horizontal Direction: Horizontal left-hand supply can be changed to horizontal
right-hand supply by removing the indoor coil and reinstalling 180° from original.
3.4 Installation in an unconditioned space
IMPORTANT
There are two pairs of coil rails in the air handler for default and counter flow application. If the
air handler is installed in an unconditioned space, the two unused coil rails should be removed
to minimize air handler surface sweating. The coil rails can be easily removed by taking off the
6 mounting screws from both sides of the cabinet.
13
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