1
PG95SAS
Installation, Start-up, Operating and
Service and Maintenance Instructions
Single-Stage 4-Way Multipoise
Condensing Gas Furnace
Series A and B
NOTE: Read the entire instruction manual before starting the installation.
SECTIONS
SAFETY CONSIDERATIONS 3.........................
INTRODUCTION 4...................................
CODES AND STANDARDS 4...........................
ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS 5...
ACCESSORIES 5.....................................
LOCATION 8........................................
AIR FOR COMBUSTION AND VENTILATION 9..........
CONDENSATE TRAP 12...............................
CONDENSATE DRAIN 16.............................
INSTALLATION 20...................................
AIR DUCTS 29.......................................
GAS PIPING 31......................................
ELECTRICAL CONNECTIONS 32.......................
VENTING 37........................................
START−UP, ADJUSTMENT, AND SAFETY CHECK 62......
SERVICE AND MAINTENANCE PROCEDURES 74........
SEQUENCE OF OPERATION 82........................
PARTS REPLACEMENT GUIDE 86......................
CERTIFIED
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 5.................................
MIN. CLEARANCES TO COMBUSTIBLE MATERIALS 5...
MINIMUM FREE AREA REQUIRED 11..................
MINIMUM SPACE VOLUMES 11.......................
FILTER SIZE INFORMATION 23........................
OPENING DIMENSIONS 25............................
AIR DELIVERY CFM 30...............................
MAXIMUM CAPACITY OF PIPE 32.....................
ELECTRICAL DATA 34...............................
VENT TERM. KIT FOR DIRECT VENT (2−PIPE) SYSTEMS 39
Combustion−Air Vent Pipe, Fitting & Cement Material.. 45.....
Maximum Allowable Exposed Vent Lengths Insulation 46......
Maximum Equivalent Vent Length 48......................
Deductions from Maximum Equivalent Vent Length 48........
Blower Off Delay Setup Switch 65........................
Altitude Derate Multiplier for U.S.A. 66....................
Gas Rate 69..........................................
Orifice Size and Manifold Pressure 69.....................
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