Installation, Start-up, Operating and
Service and Maintenance Instructions
58SU0A
4-Way Multipoise
Induced-Combustion 80% Gas Furnace
Input Capacities: 60,000 & 80,000 Btuh
SAFETY CONSIDERATIONS 2........................
INTRODUCTION 2..................................
CODES AND STANDARDS 4.......................
SAFETY 4......................................
GENERAL INSTALLATION 4......................
COMBUSTION AND VENTILATION AIR 4...........
DUCT SYSTEMS 4...............................
ACOUSTICAL LINING AND FIBROUS GLASS DUCT 5
GAS PIPING AND GAS PIPE PRESSURE TESTING 5...
ELECTRICAL CONNECTIONS 5...................
VENTING 5........................................
ELECTROSTATIC DISCHARGE
PRECAUTIONS PROCEDURE 5.......................
LOCATION 6.......................................
AIR FOR COMBUSTION AND VENTILATION 7..........
INSTALLATION 9...................................
UPFLOW INSTALLATION 9.......................
DOWNFLOW INSTALLATION 10...................
HORIZONTAL INSTALLATION 11..................
AIR DUCTS 12...................................
GAS PIPING 15..................................
ELECTRICAL CONNECTIONS 18..................
115−V WIRING 18................................
J−BOX RELOCATION 18..........................
24−V WIRING 19.................................
ACCESSORIES 19................................
VENTING 21.......................................
MASONRY CHIMNEY REQUIREMENTS 21..........
APPLIANCE APPLICATION REQUIREMENTS 22.....
ADDITIONAL VENTING REQUIREMENTS 24........
SIDEWALL VENTING 24..........................
START−UP, ADJUSTMENT, AND SAFETY CHECK 26.....
GENERAL 26....................................
START−UP PROCEDURES 26......................
ADJUSTMENTS 26...............................
CHECK SAFETY CONTROLS 28...................
SERVICE AND MAINTENANCE PROCEDURES 30.......
INTRODUCTION 30..............................
ELECTRICAL CONTROLS AND WIRING 30.........
CARE AND MAINTENANCE 31....................
CLEANING AND/OR REPLACING AIR FILTER 32....
BLOWER MOTOR AND WHEEL 32.................
CLEANING HEAT EXCHANGER 33.................
SEQUENCE OF OPERATION 34....................
FAULT CODE RECALL 35.........................
CLEAR FAULT MEMORY 35.......................
COMPONENT TEST 35
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WIRING DIAGRAMS 35...........................
TROUBLESHOOTING 35..........................
PARTS REPLACEMENT INFORMATION GUIDE 38....
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Use of the AHRI Certified TM Mark indicates a
manufacturer’s participation in the program. For
verification of certification for individual products,
go to www.ahridirectory.org.
ISO 9001
QMI-SAI Global
Approved for installations up to 2000 feet (610 meters)
NOTE: Read the entire instruction manual before starting the
installation.
Portions of the text and tables are reprinted from current edition
of NFPA 54/ANSI Z223.1E, with permission of National Fire
Protection Association, Quincy, MA 02269 and American Gas
Association, Washington DC 20001. This reprinted material is
not the complete and official position of the NFPA or ANSI on
the referenced subject, which is represented only by the standard
in its entirety.
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