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UNIT SPECIFICATIONS
12. Reduced installation clearances;
13. Low Profile cabinet (34" high);
14. A combination redundant gas
control incorporating a manual
main shut off valve and
regulator;
15.
A terminal strip on the integrated
control board to field connect
thermostat wiring;
16. A 11 5 volt terminal on the
integrated control board to
connect an electronic air
cleaner;
17.
A 115 volt terminal on the
integrated control board to
connect a humidifier [
(-)GRA/
(-)GTA only];
18. Pressure switch(es) detect
blocked combustion air, vent
and drain pipes;
19. Right or left hand drain,
electrical and gas connections;
20. Combustion air and vent pipe
connections internally
configured for simple PVC
connections.
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The high efficiency gas furnace
design is certified by the American
Gas Association and the Canadian
Gas Association. The models offered
include the following features:
1.
Direct, sealed, plastic vent which
may be run vertically or
horizontally;
2.
A solid state integrated furnace
control system with automatic
100% lockout and one hour
retry;
3.
Four speed direct drive blower
motor assembly; three speed on
"J" series units;
4.
Cooling and heating blower
control and blower motor
assemblies sized for cooling air
delivery and a 40 VA control
transformer are utilized in all
furnaces;
5.
Fiberglass insulation with
aluminum foil facing to surround
the heat exchanger compart-
ment reducing heat loss and
sound levels;
6.
A solid state furnace control with
a 20 second blower delay "on"
with adjustable delay "off."
(-)GAN(-)GTA units have
provisions for constant blower
low speed fan operation and to
operate the blower either with
the same speed or different
speeds for heating and cooling.
7. Stainless steel tubular primary
heat exchanger; aluminized
primary heat exchanger on "J"
series upflow units;
8.
29-4C stainless steel secondary
heat exchanger tubing with
stainless steel turbulators inside,
aluminum fins outside, and
molded high temperature plastic
condensate collector box;
9.
All combustion air can come
from indoors, or can be 100%
outdoor air;
10.
A factory installed solid base
plate in (·)GRA units, optional on
(-)GAJ units;
11. A condensate trap internally
mounted in the furnace;
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