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810SA/811SA: Installation, Start–Up, Operating and Service and Maintenance Instructions
INTRODUCTION
Fig. 1 – Clearances to Combustibles
This 4-way multipoise Category I fan-assisted furnace is CSA
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 (16°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
For accessory installation details, refer to the applicable instruction
literature.
NOTE: Remove all shipping brackets and materials before operating the
furnace.
Fig. 2 – Return Air Temperature
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
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
A10269
FIRE 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 inches 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 NFGC (see
Fig.
2).
Max 85ºF/ 29ºC
CODES AND STANDARDS
Min 60ºF / 16ºC
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.
A02055
In the United States, follow all codes and standards for the following:
Safety
USA: Current edition of National Fuel Gas Code (NFGC) NFPA
54/ANSI Z223.1 and the Installation Standards, Warm Air Heating and
Air Conditioning Systems ANSI/NFPA 90B.
3
WARNING
!
Fig.
3).
Fig. 3 – Prohibit Installation on Back
WARNING
!
18-IN. (457.2 mm)
MINIMUM TO BURNERS
Fig. 4 – Installation in a Garage
A02054
Fig.
4).
A93044
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