AFFIX LABEL HERE
INSTALLATION INSTRUCTIONS
UPFLOW OR LEFT HORIZONTAL
TWO STAGE HEAT VARIABLE SPEED
GAS-FIRED CONDENSING
WARM AIR FURNACE
Issue 0442
TABLE OF CONTENTS
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Furnace Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Location/Placement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Air for Combustion & Ventilation
. . . . . . . . . . . . . . . . . . . . . . . . 8
Ducting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Venting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Electrical Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Gas Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Control Board & Variable Speed Motor Features . . . . . . . . . . . . . 21
Unit Sequence of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Start-Up Operation & Checkout . . . . . . . . . . . . . . . . . . . . . . . . . 23
Sequence of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Servicing The Furnace . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Control System Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
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
by a qualified installer, service agency or
the gas supplier. Installation by an
unqualified person may lead to equipment
damage and/or a hazardous condition
which may cause bodily injury and harm
and, as such, at the sole discretion of the
manufacturer, the entire warranty may be
voided and be of no further force and
effect.
WHAT TO DO IF YOU SMELL GAS:
•
Do not try to light any appliance.
•
Extinguish any open flame.
•
Do not touch any electrical switch; do
not use any phone in your building.
•
Immediately call your gas supplier from
a neighbor's phone. Follow the gas
supplier's instructions.
•
If you cannot reach your gas supplier,
call the fire department.
20558801
Issue 0442
Page 1 of 32
Summary of Contents for Gas-Fired Furnace
Page 13: ...FURNACE WIRING SPECIFICATIONS 20558801 Issue 0442 Page 5 of 32 ...
Page 21: ...Figure 8 20558801 Issue 0442 Page 13 of 32 VENT TERMINATION CLEARANCES ...
Page 36: ...SEQUENCE OF OPERATION DIRECT IGNITION SYSTEM CONTROL 20558801 Issue 0442 Page 28 of 32 ...
Page 40: ...WIRING DIAGRAM 20558801 Issue 0442 Page 32 of 32 ...