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GUIDE SPECIFICATIONS
Gas Furnace
313AAV/JAV
GENERAL
System Description
Furnish a _________________ fixed capacity gas--fired furnace
for use with natural gas or propane (factory authorized conversion
kit required for propane); furnish cold air return plenum.
Quality Assurance
Unit will be designed, tested and constructed to the current ANSI Z
21.47/CSA 2.3 design standard for gas--fired central furnaces.
Unit will be 3rd party certified by CSA to the current ANSI Z
21.47/CSA 2.3 design standard for gas--fired central furnaces.
Unit will carry the CSA Blue Star® label.
Unit efficiency testing will be performed per the current DOE test
procedure as listed in the Federal Register.
Unit will be certified for capacity and efficiency and listed in the
latest AHRI Consumer’s Directory of Certified Efficiency Ratings.
Unit will carry the current Federal Trade Commission Energy
Guide efficiency label.
Delivery, Storage and Handling
Unit shall be shipped as single package only and is stored and
handled per unit manufacturer’s recommendations.
Warranty (for inclusion by specifying engineer)
U.S. only. Warranty certificate available upon request.
PRODUCTS
Equipment
Components shall include: slow--opening gas valve to reduce
ignition noise, regulate gas flow, with electric switch gas shut--off;
flame proving sensor, hot surface igniter, pressure switch assembly;
flame rollout switch, blower and inducer assembly, 40va
transformer; low--voltage (heating) (heating/ cooling) thermostat.
Blower Wheel and Blower Motor
Galvanized blower wheel shall be centrifugal type, statically and
dynamically balanced. Blower motor of ECM type shall be
permanently lubricated with sealed bearings, of _______hp, and
shall be multiple--speed direct drive. Blower motor shall be soft
mounted to the blower scroll to reduce vibration transmission.
Filters
Furnace may have reusable--type filters. Filter shall be _______ in
(x) _______in. (mm). An accessory high--efficiency media filter is
available as an option. _______________ Media Filter.
Casing
Casing shall be of .030 in. (.76 mm) thickness minimum,
pre--painted galvanized steel.
Inducer Motor
Inducer motor shall be soft mounted to reduce vibration
transmission.
Draft Safeguard Switch
Draft Safeguard Switch (blocked vent safeguard) shall be factory
installed to reduce the possibility of vent gas infiltration due to a
blocked or restricted vent pipe.
Heat Exchangers
Heat exchangers shall be a 4--Pass 20 gage aluminized steel of
fold--and--crimp sectional design when applied operating under
negative pressure.
Controls
Control shall include a micro--processor based integrated electronic
control board with at least 11 service troubleshooting codes
displayed via enhanced flashing LED diagnostic light on the
control, a self--test feature that checks all major functions of the
furnace within one minute, and a replaceable automotive--type
circuit protection fuse. Multiple operational settings available
including, separate blower speeds for heating, cooling and
continuous fan. Continuous fan speed may be adjusted from the
thermostat. Features will also include temporary reduced airflow in
the cooling mode for improved dehumidification when a
Thermidistatt Control is selected as the thermostat.
Operating Characteristics
Heating Capacity shall be ________ Btuh input; ________ Btuh
output capacity.
Fuel Gas Efficiency shall be 80% AFUE.
Air delivery shall be ___________ CFM minimum at 0.50 In.
W.C. external static pressure.
Dimensions shall be: depth __________ in.; width _________ in;
height_________in. (mm) (casing only). Height shall
be_________in. (mm) with A/C coil and _____________in. (mm)
overall with plenum.
Electrical Requirements
Electrical supply shall be 115 volts, 60 Hz, single--phase (nominal).
Minimum wire size shall be_________AWG; maximum fuse size
or circuit breaker shall be __________Amps.
Special Features
Refer to section of the product data sheet identifying accessories
and descriptions for specific features and available enhancements.
313AAV/JAV