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INSTALLATION INSTRUCTIONS
Upflow (Vertical) Installation
•
The air handler should be mounted securely to the floor, attached to a return plenum. The installer is responsible for
ensuring the proper sizing and seal of ducts.
Horizontal Left Flow Installation
•
The unit should be set up for left flow out of the factory. Open the front panel to confirm that the drain pan is on the
left side of the coil, so that it is below the coil once the unit is rotated onto its left side.
Horizontal Right Flow Installation
•
The drain pan needs to be moved from the left side of the coil to catch and drain condensate.
1. Detach TC1 and TC2 thermistors, ring temperature sensor, and thermostat from front of coil. The EEV coil, one
thermistor, and the temperature sensor are on the front of the coil, and the second thermistor on the left side.
2. Slide coil assembly and both drain pans out of the air handler
3. Remove the drain pan from the left side of the coil. Move it to the right side, rotating it 180 degrees and resting it in
the same way that it was previously placed on the left side.
4. Slide coil assembly back into the air handler and re-attach the thermistors and thermostat detached in step 1.
31-5000755 Rev. 0
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