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440 01 6201 00B
8/21/19
INSTALLATION INSTRUCTIONS
Single--Stage, 35--in. (889 mm) Tall
High Efficiency Condensing Gas Furnace
R92ESN
(Series A)
NOTE
: Read the entire instruction manual before starting the installation.
SECTIONS
SAFETY CONSIDERATIONS
4
. . . . . . . . . . . . . . . . . . . . . . . . .
INTRODUCTION
5
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CODES AND STANDARDS
6
. . . . . . . . . . . . . . . . . . . . . . . . . . .
ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS
7
. . .
ACCESSORIES
7
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
LOCATION
7
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AIR FOR COMBUSTION AND VENTILATION
8
. . . . . . . . . .
CONDENSATE TRAP
11
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CONDENSATE DRAIN
14
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
INSTALLATION
16
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AIR DUCTS
23
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
GAS PIPING
25
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ELECTRICAL CONNECTIONS
26
. . . . . . . . . . . . . . . . . . . . . . .
VENTING
31
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
START--UP, ADJUSTMENT, AND SAFETY CHECK
53
. . . . . .
SERVICE AND MAINTENANCE PROCEDURES
61
. . . . . . . .
SEQUENCE OF OPERATION
71
. . . . . . . . . . . . . . . . . . . . . . . .
PARTS REPLACEMENT GUIDE
73
. . . . . . . . . . . . . . . . . . . . . .
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 current edition of
NFPA 54/ANSI Z223.1, 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.
TABLES
Loose Parts Bag
6
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Minimum Clearances to Combustible Materials
5
. . . . . . . . . . . . .
Minimum Free Area Required
9
. . . . . . . . . . . . . . . . . . . . . . . . . .
Minimum Space Volumes
9
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Opening Dimensions
19
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Filter Size Information
20
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Air Delivery CFM
24
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maximum Capacity of Pipe
25
. . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Data
27
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Vent Termination Kit for Direct Vent (2--Pipe) System
34
. . . . . . .
Maximum Equivalent Vent Length
43
. . . . . . . . . . . . . . . . . . . . . .
Deductions from Maximum Equivalent Vent Length
43
. . . . . . . .
Maximum Allowable Exposed Vent Lengths Insulation
47
. . . . . .
Hangar Spacing
49
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Combustion--Air Vent Pipe, Fitting & Cement Material..
51
. . . . .
Altitude Derate Multiplier for U.S.A.
54
. . . . . . . . . . . . . . . . . . . .
Blower Off Delay Setup Switch
56
. . . . . . . . . . . . . . . . . . . . . . . .
Orifice Size and Manifold Pressure
58
. . . . . . . . . . . . . . . . . . . . .
Gas Rate
61
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .