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1
PG92SCS ALL
PG92SBS 048080 ONLY
Installation, Start-up, Operating and
Service and Maintenance Instructions
Single-Stage 4-Way Multipoise
Condensing Gas Furnace
NOTE
: Read the entire instruction manual before starting the
installation.
SECTIONS
SAFETY CONSIDERATIONS
. . . . . . . . . . . . . . . . . . . . . . . . .
INTRODUCTION
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CODES AND STANDARDS
. . . . . . . . . . . . . . . . . . . . . . . . . . .
ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS
. . .
ACCESSORIES
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
LOCATION
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AIR FOR COMBUSTION AND VENTILATION
. . . . . . . . . .
CONDENSATE TRAP
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CONDENSATE DRAIN
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
INSTALLATION
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AIR DUCTS
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
GAS PIPING
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ELECTRICAL CONNECTIONS
. . . . . . . . . . . . . . . . . . . . . . .
VENTING
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
START
−
UP, ADJUSTMENT, AND SAFETY CHECK
. . . . . .
SERVICE AND MAINTENANCE PROCEDURES
. . . . . . . .
SEQUENCE OF OPERATION
. . . . . . . . . . . . . . . . . . . . . . . .
PARTS REPLACEMENT GUIDE
. . . . . . . . . . . . . . . . . . . . . .
C E RT I F I E D
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
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Minimum Clearances to Combustible Materials
. . . . . . . . . . . . .
Minimum Free Area Required
. . . . . . . . . . . . . . . . . . . . . . . . .
Minimum Space Volumes
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Filter Size Information
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Opening Dimensions
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Air Delivery CFM
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maximum Capacity of Pipe
. . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Data
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Vent Termination Kit for Direct Vent (2
−
Pipe) System
. . . . . . .
Hangar Spacing
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Combustion
−
Air Vent Pipe, Fitting & Cement Material..
. . . . .
Maximum Allowable Exposed Vent Lengths Insulation
. . . . . .
Maximum Equivalent Vent Length
. . . . . . . . . . . . . . . . . . . . . .
Deductions from Maximum Equivalent Vent Length
. . . . . . . .
Blower Off Delay Setup Switch
. . . . . . . . . . . . . . . . . . . . . . . .
Altitude Derate Multiplier for U.S.A.
. . . . . . . . . . . . . . . . . . . .
Gas Rate
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Orifice Size and Manifold Pressure
. . . . . . . . . . . . . . . . . . . . .