Ductwork; Electric Heater - Napoleon NPFX24A36A Owner's Manual

terminated in accordance with local or state Plumbing/HVAC codes. The
installation must include a "P" style trap that is located closely to the evaporator
coil. Do not over-tighten the drain connection in order to prevent possible damage
to the evaporator drain pan. See the following figure for details of a typical
condensate line "P" trap.

4.5 Ductwork

This air handler is designed for a complete supply and return ductwork system.
Do not operate the unit without all ductwork completed.
Do not operate this product without all ductwork attached.
Inadequate ductwork that restricts airflow can result in improper performance and
compressor or heater failure. Ductwork is to be constructed in a manner that limits
restrictions and maintains suitable air velocity. Ductwork is to be sealed to the unit in a
manner that will prevent leakage.
Return ductwork: Do not terminate the return ductwork in an area that can
introduce toxic or objectionable fumes/odors into the ductwork. The return ductwork is
to be introduced into the air handler bottom (up flow configuration).
Return Air Filters: Each installation must include a return air filter. This filtering may
be performed at the air handler or externally such as a return air filter grille.

4.6 Electric Heater

The air handlers listed in this manual do not have factory installed electric heat.
Electric heat is available as an accessory. Please refer to installation instructions
provided with heater kit for the correct installation procedure.
and the instructions provided with the heater kit for the correct installation procedure.
and the supply power should be identical. This air handler does not have factory
Refer to the "Electric heater kits installation" section of this manual
The electrical characteristics of the air handler, the electric heater kit,
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Air Handlers