3
GENERAL SPECIFICATIONS
Single Package Gas Heating/Electric Cooling units
are designed for outdoor rooftop or ground level slab
installations. The units are shipped ready for horizontal
duct connections and are easily converted for down fl ow
connections.
All models are shipped from the factory with the
following:
1. Multispeed fi xed torque variable speed blower.
2. Horizontal or down fl ow duct connections.
3. 24V fuse protection.
4. High Pressure Switch.
The unit dimensions are shown in
Figure 1
.
SAFETY CONSIDERATIONS
It is the responsibility of the installer to ensure that the
installation is made in accordance with all applicable local
and national codes.
WARNING:
Improper installation, service, adjustment, or
maintenance may cause explosion, fi re, electrical
shock or other hazardous conditions which may
result in personal injury or property damage.
Unless otherwise noted in these instructions,
only factory authorized kits or accessories may
be used with this product.
Literature, Labels, and Tags —
When working with this
equipment, follow all precautions in the literature, on tags,
and on labels provided with the unit and/or approved fi eld
installed kits. The type of hazard and severity are described
on each label or tag.
Pressures Within The System —
This equipment
contains liquid and gaseous R410a refrigerant under high
pressure. Installation or servicing should only be performed
by qualifi ed trained personnel thoroughly familiar with this
type equipment.
CAUTION:
This unit uses refrigerant R-410A. DO NOT
under any circumstances use any other
refrigerant besides R-410A in this unit. Use of
another refrigerant will damage this unit.
INSTALLATION REQUIREMENTS
Equipment Application —
Before beginning the
installation, verify that the unit model is correct for the
job. The unit model number is printed on the data label.
This furnace is
NOT
to be used for temporary heating of
buildings or structures under construction.
Equipment Check —
All units have been securely
packaged at the point of shipment. After unpacking
the unit, carefully inspect it for apparent and concealed
damage. Claims for damage should be fi led with the carrier
by the consignee.
Requirements and Codes —
The installer must comply
with all local codes and regulations which govern this type
equipment. Local codes and regulations take precedence
over any recommendations contained in these instructions.
In the absence of local codes, the installation must
conform with the National Fuel Gas Code (ANSI 2223.1,
NFPA-54), or Canadian installations must conform with
CAN/CGA-B149 installation codes. All electrical wiring
must be made in accordance with codes and regulations
and with the National Electric Code (ANSI/NFPA 70) or in
Canada the Canadian Electric Code Part 1 CSA C.22.1. Air
Ducts must be installed in accordance with the standards
of the National Fire Protection Association “Standards for
Installation of Air Conditioning and Ventilation Systems”
(NFPA 90A), “Standard for Installation of Residence Type
Warm Air Heating and Air Conditioning Systems” (NFPA
90B), these instructions, and all applicable local codes.
The National Fuel Gas Code is available by writing:
American National Standards Institute, Inc.
1430
Broadway
New York, NY 10018
NFPA publications are available by writing:
National Fire Protection Association
Batterymarch
Park
Quincy, ME 02269
Unit Location —
The gas/electric unit is designed only
for outdoor installations. Choosing the location of the unit
should be based on minimizing the length of the supply
and return ducts. Consideration should also be given to
availability of fuel, electric power, service access, noise,
and shade.
Venting Requirements —
This unit has been equipped
with an integral venting system and designed to operate
only with this venting system. No additional venting shall
be used. This unit must be vented to the outdoors.
