1
Installation, Start--up, Operating and
Service and Maintenance Instructions
PG96VAT
TWO--STAGE 4--WAY MULTIPOISE
CONDENSING GAS FURNACE
SERIES B ALL
SERIES C SIZES 60080, 60100, 66120
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 5........................................
AIR FOR COMBUSTION AND VENTILATION 9..........
CONDENSATE TRAP 12...............................
CONDENSATE DRAIN 16.............................
INSTALLATION 20...................................
AIR DUCTS 29.......................................
GAS PIPING 32......................................
ELECTRICAL CONNECTIONS 33.......................
VENTING 40........................................
START --UP, ADJUSTMENT, AND SAFETY CHECK 64......
SERVICE AND MAINTENANCE P ROCEDURES 75........
SEQUENCE OF OPERATION 84........................
PARTS REPLACEMENT GUIDE 90......................
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 the current edition of
NFPA 54/AN SI Z223.1E, wit h per m i ss ion of Nat iona l Fir e
Prote ction Ass oci ation, Qui nc y, MA 02269 and Ame rica n Gas
As soc i at ion, Washington DC 20001. Thi s re printed material is not the
complete and official position of the NFPA or ANSI on the referenced
subje ct , which is re pr esente d only by the standard in it s entirety.
TABLES
Loose Parts Bag Contents 6..............................
Minimum Clearances to Combustible Materials 6.............
Minimum Free Area Required 11.........................
Minimum Space Volumes 11.............................
Filter Size Information 23...............................
Opening Dimensions 25................................
Air Delivery CFM 30...................................
Maximum Capacity of Pipe 33...........................
Electrical Data 36......................................
Vent Termination Kit for Direct Vent (2--Pipe) Systems 42......
Hangar Spacing 47.....................................
Combustion--Air Vent Pipe, Fitting & Cement Material.. 48.....
Maximum Allowable Exposed Vent Lengths Insulation 49......
Maximum Equivalent Vent Length 50......................
Deductions from Maximum Equivalent Vent Length 50........
Altitude Derate Multiplier for U.S.A. 72....................
Blower Off Delay Setup Switch 72........................
Gas Rate 72..........................................
Orifice Size and Manifold Pressure 73.....................
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