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UNT-IOM-6 13
The following checklist is only an abbreviated guide to the detailed
installation procedures given in this manual. Use this list to ensure all
necessary procedures are complete. For more detailed information,
refer to the appropriate sections in this manual.
WARNING: Allow rotating fan to stop before
servicing equipment. Failure to do so may cause severe
personal injury or death.
o 1. Inspect the unit for shipping damage.
o 2. Level installation location to support the unit weight ad-
equately. Make all necessary wall or ceiling openings to allow
adequate air flow and service clearances.
o 3. Ensure the unit chassis is level.
CAUTION: The unit must be installed level (zero
tolerance) in both horizontal axis for proper operation.
Failure to do so may result in condensate management
problems such as standing water inside the unit. Stand-
ing water and wet surfaces may result in microbial
growth (mold) in the drain pan that may cause unpleasnt
odors and serious health-related indoor air quality prob-
lems.
o 4. Secure the unit and any accessory items properly to the
wall or ceiling support rods.
o 5. Complete piping connections correctly.
o 6. Check field sweat connections for leaks and tighten the
valve stem packing, if necessary.
o 7. Install the auxiliary drain pan properly under piping package
on fan-coil units.
o 8. Pitch condensate drain line 1 inch drop per 10 feet of line
run on fan-coil units.
Installation Checklist
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