59MN7B
Modulating 4---Way Multipoise
Condensing Gas Furnace
Installation, Start---up, Operating and
Service and Maintenance Instructions
NOTE
: Read the entire instruction manual before starting the installation.
SECTIONS
SAFETY CONSIDERATIONS
3
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INTRODUCTION
4
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CODES AND STANDARDS
5
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ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS
5
. . .
ACCESSORIES
6
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LOCATION
6
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AIR FOR COMBUSTION AND VENTILATION
9
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CONDENSATE TRAP
10
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CONDENSATE DRAIN CONNECTION
15
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INSTALLATION
19
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AIR DUCTS
28
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GAS PIPING
32
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ELECTRICAL CONNECTIONS
33
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VENTING
40
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START--UP, ADJUSTMENT, AND SAFETY CHECK
64
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SERVICE AND MAINTENANCE PROCEDURES
79
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SEQUENCE OF OPERATION
92
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PARTS REPLACEMENT GUIDE
97
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TABLES
Loose Parts Bag Contents
6
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Minimum Clearances to Combustible Materials
6
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Minimum Free Area Required
10
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Minimum Space Volumes
10
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Filter Size Information
24
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Opening Dimensions
26
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Air Delivery CFM
29
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Electrical Data
29
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Maximum Capacity of Pipe
32
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Vent Termination Kit for Direct Vent (2--Pipe) Systems
42
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Hangar Spacing
49
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Combustion--Air Vent Pipe, Fitting & Cement Material..
52
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Maximum Allowable Exposed Vent Lengths Insulation
53
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Maximum Equivalent Vent Length
54
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Deductions from Maximum Equivalent Vent Length
54
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Altitude Derate Multiplier for U.S.A.
67
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Blower Off Delay Setup Switch
70
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Gas Rate
75
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Orifice Size and Manifold Pressure
75
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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 .
Portions of the text and tables are reprinted from NFPA 54/ANSI Z223.1
E
, 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.
