F80CTL & G80CTL: Installation, Start–Up, Operating and Service and Maintenance Instructions
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
4
INTRODUCTION
A10269
Fig. 2 – Clearances to Combustibles
The 4-way multipoise Category I fan-assisted furnace is CSA (formerly
A.G.A. and C.G.A.) design-certified. A Category I fan-assisted furnace is
an appliance equipped with an integral mechanical means to either draw
or force products of combustion through the combustion chamber and/or
heat exchanger. The furnace is factory-shipped for use with natural gas.
This furnace is not approved for installation in mobile homes,
recreational vehicles, or outdoors.
This furnace is designed for minimum continuous return-air temperature
of 60°F (15°C) db or intermittent operation down to 55°F (13°C)db such
as when used with a night setback thermostat. Return-air temperature
must not exceed 80°F (27°C) db. Failure to follow these return-air
temperature limits may affect reliability of heat exchangers, motors, and
controls, see Fig. 3.
For accessory installation details, refer to the applicable instruction
literature.
NOTE: Remove all shipping brackets and materials before operating the
furnace.
A06745
Fig. 3 – Return Air Temperature
A02054
Fig. 4 – Prohibit Installation on Back
A93044
Fig. 5 – Installation in a Garage
CODES AND STANDARDS
Follow all national and local codes and standards in addition to these
instructions. The installation must comply with regulations of the
serving gas supplier, local building, heating, plumbing, and other codes.
In absence of local codes, the installation must comply with the national
codes listed below and all authorities having jurisdiction.
In the United States, follow all codes and standards for the following:
Safety
NFPA 54/ANSI Z223.1 and the Installation Standards, Warm Air
Heating and Air Conditioning Systems ANSI/NFPA 90B.
General Installation
Current edition of the NFGC and the NFPA 90B. For copies, contact the
National Fire Protection Association Inc., Batterymarch Park, Quincy,
MA 02269; (www.NFPA.org) or for only the NFGC, contact the
American Gas Association, 400 N. Capitol Street, N.W., Washington,
DC 20001 (www.AGA.org.).
Combustion and Ventilation Air
Section 9.3 NFPA 54/ANSI Z223.1, Air for Combustion and Ventilation.
WARNING
!
FIRE HAZARD
Failure to follow this warning could result in personal injury, death
and/or property damage.
Do not install the furnace on its back or hang furnace with control
compartment facing downward. Safety control operation will be
adversely affected. Never connect return-air ducts to the back of the
furnace, see Fig. 4.
WARNING
!
FIRE, INJURY OR DEATH HAZARD
Failure to follow this warning could result in personal injury, death
and/or property damage.
When the furnace is installed in a residential garage, the burners and
ignition sources must be located at least 18 in. (457 mm) above the
floor. The furnace must be located or protected to avoid damage by
vehicles. When the furnace is installed in a public garage, airplane
hangar, or other building having a hazardous atmosphere, the furnace
must be installed in accordance with the NFPA 54/ANSI Z223.1, see
Fig. 5.
18-IN. (457.2 mm)
MINIMUM TO BURNERS
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