440 01 6101 00
4/16/2019
INSTALLATION INSTRUCTIONS
Single--Stage, 35--in. (889 mm)Tall
High Efficiency Condensing Gas Furnace
R95ESN
(Series A)
NOTE
: Read the entire instruction manual before starting the installation.
SECTIONS
SAFETY CONSIDERATIONS
3
. . . . . . . . . . . . . . . . . . . . . . . . .
INTRODUCTION
4
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CODES AND STANDARDS
5
. . . . . . . . . . . . . . . . . . . . . . . . . . .
ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS
5
. . .
ACCESSORIES
5
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
LOCATION
7
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AIR FOR COMBUSTION AND VENTILATION
9
. . . . . . . . . .
CONDENSATE TRAP
12
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CONDENSATE DRAIN
17
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
INSTALLATION
21
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AIR DUCTS
29
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
GAS PIPING
31
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ELECTRICAL CONNECTIONS
32
. . . . . . . . . . . . . . . . . . . . . . .
VENTING
37
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
START--UP, ADJUSTMENT, AND SAFETY CHECK
62
. . . . . .
SERVICE AND MAINTENANCE PROCEDURES
74
. . . . . . . .
WINTERIZATION
81
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SEQUENCE OF OPERATION
82
. . . . . . . . . . . . . . . . . . . . . . . .
PARTS REPLACEMENT GUIDE
86
. . . . . . . . . . . . . . . . . . . . . .
TABLES
Loose Parts Bag
4
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Minimum Clearances to Combustible Materials
4
. . . . . . . . . . . . .
Minimum Free Area Required
11
. . . . . . . . . . . . . . . . . . . . . . . . .
Minimum Space Volumes
11
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Filter Size Information
26
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Opening Dimensions
29
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Air Delivery CFM
30
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maximum Capacity of Pipe
32
. . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Data
36
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Vent Termination Kit for Direct Vent (2--Pipe) System
39
. . . . . . .
Hangar Spacing
46
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Combustion--Air Vent Pipe, Fitting & Cement Material..
49
. . . . .
Maximum Allowable Exposed Vent Lengths Insulation
50
. . . . . .
Maximum Equivalent Vent Length
51
. . . . . . . . . . . . . . . . . . . . . .
Deductions from Maximum Equivalent Vent Length
51
. . . . . . . .
Blower Off Delay Setup Switch
70
. . . . . . . . . . . . . . . . . . . . . . . .
Altitude Derate Multiplier for U.S.A.
71
. . . . . . . . . . . . . . . . . . . .
Gas Rate
65
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Orifice Size and Manifold Pressure
65
. . . . . . . . . . . . . . . . . . . . .
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.
