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Variable Speed
Induced-Combustion Deluxe
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.
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indicates a change since the last issue.
TABLE OF CONTENTS
SAFETY CONSIDERATIONS .....................................................2
INTRODUCTION ..........................................................................3
CODES AND STANDARDS........................................................3
Safety.........................................................................................3
General Installation...................................................................3
Combustion and Ventilation Air ..............................................3
Duct Systems ............................................................................3
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 ..............................................................9
Bottom Return Air Inlet ......................................................9
Horizontal Installation ..............................................................9
Suspended Unit Support......................................................9
Platform Unit Support .........................................................9
Roll-Out Protection............................................................10
Bottom Return Air Inlet ....................................................10
Side Return Air Inlet.........................................................11
Filter Arrangement..................................................................11
Air Ducts.................................................................................11
General Requirements .......................................................11
Ductwork Acoustical Treatment .......................................12
Supply Air Connections ....................................................13
Return Air Connections.....................................................15
Gas Piping...............................................................................15
Electrical Connections ............................................................16
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 J-Box Cover Installation.............................................17
24-V Wiring.......................................................................17
Accessories ........................................................................18
Venting ....................................................................................18
General Venting Requirements .........................................21
Masonry Chimney Requirements......................................23
Appliance Application Requirements ...............................24
Additional Venting Requirements.....................................26
Sidewall Venting ...............................................................27
START-UP, ADJUSTMENT, AND SAFETY CHECK ............28
General ....................................................................................28
Start-Up Procedures ...............................................................28
Adjustments ...........................................................................29
Check Safety Controls ............................................................34
Checklist..................................................................................37
SERVICE AND MAINTENANCE PROCEDURES..................37
Introduction .............................................................................37
General...............................................................................37
Electrical Controls and Wiring .........................................37
Care and Maintenance ............................................................39
Cleaning and/or Replacing Air Filter ...............................39
Blower Motor and Wheel..................................................39
Cleaning Heat Exchanger..................................................40
Sequence of Operation............................................................43
Wiring Diagrams.....................................................................46
Troubleshooting ......................................................................46
REGISTERED QUALITY SYSTEM
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EFFICIENCY
RATING
CERTIFIED
CERTIFIED
Cancels: II 315A-70-1
II 315A-70-2
12-02
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 58CV-3SI
Pg 1
12-02
Replaces: 58CV-1SI