2
GENERAL
These instructions are intended as a general guide only and do
not supersede any national or local codes in any way. Compli-
ance with all local, state, or national codes pertaining to this
type of equipment should be determined prior to installation.
Read this entire instruction manual, as well as the instructions
supplied in separate equipment, before starting the installation.
All models are designed for indoor installation only.
The installation of the air handler, field wiring, warm air ducts,
etc. must conform to the requirements of the National Electrical
Code, ANSI/NFPA No. 70 (latest edition) in the United States,
and any state laws, and local ordinances (including plumbing or
wastewater codes). Local authorities having jurisdiction should
be consulted before installation is made. Such applicable regu-
lations or requirements take precedence over the general in-
structions in this manual.
Install the conditioned air plenum, ducts and air filters (not pro-
vided) in accordance with NFPA 90B Standard for the Installa-
tion of Warm Air Heating and Air-Conditioning Systems (latest
edition).
Some models are configured for upflow air discharge only, and
some models are configured for upflow or horizontal left-hand
air discharge.
Do not remove the cabinet knockouts until it has been deter-
mined which knockouts need to be removed for the installation.
Select the final installation position that best suits the site con-
ditions. Consider required clearances, space, routing require-
ments for refrigerant line, condensate disposal, filters, duct-
work, wiring, and accessibility for service. Refer to the air han-
dler rating plate on the air handler for specific information.
Check equipment for shipping damage. If you find any damage, immediately contact the last carrier.
Check the unit rating plate for unit size, electric heat, coil, voltage, phase etc. to be sure unit matches requirements.
RECIVING
The installation of the air handler, field wiring, warm air ducts, etc. must conform to the requirements of the National Electrical
Code, ANSI/NFPA No. 70 (latest edition) in the United States, and any state laws, and local ordinances (including plumbing or
wastewater codes). Local authorities having jurisdiction should be consulted before installation is made. Such applicable
regulations or requirements take precedence over the general instructions in this manual.
Install the conditioned air plenum, ducts and air filters (not provided) in accordance with NFPA 90B Standard for the Installation of
Warm Air Heating and Air-Conditioning Systems (latest edition).
This unit is certified for installation clearances to combustible material as listed on the unit rating plate. Accessibility and service
clearances must take precedence over combustible material clearances.
REQUIREMENTS
WARNING
Electrical Shock
Disconnect power before servicing.
Replace all parts and panels before operating.
Electrically ground air handler.
Connect ground wire to ground terminal marked .
Failure to do so can result in death or electrical shock.
Explosion Hazard
Keep flammable materials and vapors,
such as gasoline, away from this unit.
Place this unit so that the heating elements are at least
18in (46cm) above the floor for a garage insulation.
Failure to follow these instructions can result in death,
explosion or fire.
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