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Single-Stage
Induced-Combustion
4-Way Multipoise Furnace
Installation, Start-up, Operating, and
Service and Maintenance Instructions
Series 100/A
NOTE: Read the entire instruction manual before starting the
installation.
This symbol → indicates a change since the last issue.
TABLE OF CONTENTS
SAFETY CONSIDERATIONS.....................................................2
INTRODUCTION..........................................................................4
CODES AND STANDARDS........................................................4
Safety.........................................................................................4
General Installation...................................................................4
Combustion and Ventilation Air ..............................................4
Duct Systems ............................................................................5
Acoustical Lining and Fibrous Glass Duct..............................5
Gas Piping and Gas Pipe Pressure Testing..............................5
Electrical Connections..............................................................5
ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS
PROCEDURE ................................................................................5
LOCATION....................................................................................5
General ......................................................................................5
Location Relative to Cooling Equipment ................................6
AIR FOR COMBUSTION AND VENTILATION......................6
Unconfined Space.....................................................................7
Confined Space.........................................................................7
INSTALLATION...........................................................................8
Upflow Installation ...................................................................8
Bottom Return Air Inlet......................................................8
Side Return Air Inlet...........................................................8
Leveling Legs (If Desired)..................................................8
Downflow Installation ..............................................................8
Bottom Return Air Inlet......................................................9
Horizontal Installation ..............................................................9
Suspended Unit Support......................................................9
Platform Unit Support.........................................................9
Roll-Out Protection..............................................................9
Bottom Return Air Inlet......................................................9
Side Return Air Inlet...........................................................9
Filter Arrangement....................................................................9
Air Ducts...................................................................................9
General Requirements .........................................................9
Ductwork Acoustical Treatment .......................................11
Supply Air Connections ....................................................12
Return Air Connections.....................................................13
Gas Piping...............................................................................13
Electrical Connections............................................................15
115-V Wiring.....................................................................16
J-Box Relocation ...............................................................16
Electrical Connection to J-Box.........................................16
For Power Cord Installation..............................................16
For BX Cable Installation.................................................17
For Power Cord Installation..............................................17
24-V Wiring.......................................................................17
Accessories ........................................................................17
Venting....................................................................................18
General Venting Requirements.........................................19
Masonry Chimney Requirements......................................19
Appliance Application Requirements ...............................21
Additional Venting Requirements.....................................21
Sidewall Venting ...............................................................21
START-UP, ADJUSTMENT, AND SAFETY CHECK............21
General ....................................................................................21
Start-Up Procedures................................................................23
Adjustments.............................................................................23
Check Safety Controls............................................................29
Checklist..................................................................................30
SERVICE AND MAINTENANCE PROCEDURES..................30
Introduction.............................................................................30
General...............................................................................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
Wiring Diagrams.....................................................................35
Troubleshooting ......................................................................35
REGISTERED QUALITY SYSTEM
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EFFICIENCY
RATING
CERTIFIED
CERTIFIED
Cancels: II 310A-45-2/IM-PG8J-02 II 310A-
45-3 / IM-PG8J-03
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Book 1 4
Tab 6a 8a
PC 101 Catalog No. See Cover Printed in U.S.A. Form 58ST-11SI Pg 1 12-02 Replaces: 58ST-2SI