AFFIX LABEL HERE
INSTALLATION AND SERVICING INSTRUCTIONS
UPFLOW, DOWNFLOW OR HORIZONTAL
TWO STAGE HEAT VARIABLE SPEED
WARM AIR FURNACE
Issue 0527
TABLE OF CONTENTS
Safety | 2 | Gas Connections | 16 |
Furnace Specifications | 3 | Control Board & Variable Speed Motor Features | 17 |
Furnace Wiring Specifications | 5 | Unit Sequence of Operation | 18 |
Introduction | 6 | 19 | |
Location/Placement | 7 | Sequence of Operation | 23 |
Air for Combustion & Ventilation | 8 | Servicing The Furnace | 24 |
Ducting | 11 | Control System Diagnostics | 26 |
Venting | 12 | Wiring Diagram | 27 |
Electrical Connections | 15 |
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RETAIN THESE INSTRUCTIONS FOR FUTURE REFERENCE
Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance.
Installation and service must be performed | WHAT TO DO IF YOU SMELL GAS: |
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by a qualified installer, service agency or | • Do not try to light any appliance. |
the gas supplier. Installation by an | • Extinguish any open flame. |
unqualified person may lead to equipment | • Do not touch any electrical switch; do |
damage and/or a hazardous condition | not use any phone in your building. |
which may cause bodily injury and harm | • Immediately call your gas supplier from |
and, as such, at the sole discretion of the | a neighbor's phone. Follow the gas |
manufacturer, the entire warranty may be | supplier's instructions. |
voided and be of no further force and | • If you cannot reach your gas supplier, |
effect. | call the fire department. |
20571201 | Issue 0527 | Page 1 of 28 |