b.Unit shall incorporate a
I.AUTO RESET - Compressor over temperature, over current.
The lockout protection shall be easily disconnected at the control board, if necessary.
Heating Section:
1.Induced draft combustion with Post purge logic and energy saving direct spark ignition, redundant main gas valve with venter wheel constructed of stainless steel material.
2.The heat exchanger shall be of the tubular type con- structed of a minimum of 18 gage steel coated with a nominal 1.2 mil
3.Burners shall be of the
4.All gas piping shall enter the unit cabinet at a single loca- tion, and be capable of side or bottom entry without major unit field modifications.
5.A Integrated control board shall provide timed control of evaporator fan functioning and burner ignition. An LED
6.Heating section shall be provided with the following mini- mum protection:
a.
b.Induced draft motor speed sensor.
c.Flame roll out switch (automatic reset).
d.Flame proving controls.
Operating Characteristics:
1.Unit shall be capable of starting and running at 125 F ambient outdoor temperature, exceeding maximum load criteria of ARI Standard 210/240.
2.Compressor with standard controls shall be capable of operation down to 45 F ambient outdoor temperature. Accessory low ambient kit operated to 0 F.
3.Unit provided with fan time delay to prevent cold air delivery before heat exchanger warms up. (Gas heat only)
Electrical Requirements:
All unit power wiring shall enter unit cabinet at a single fac-
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