2
TABLE OF CONTENTS
GENERAL SPECIFICATIONS AND INSTRUCTIONS 4.......................
FURNACE SPECIFICATIONS 5...........................................
INST ALLATION STANDARDS 6...........................................
Comply with Local Codes 6......................................................
HIGH ALTITUDE INSTALLATIONS 6...............................................
MINIMUM FURNACE CLEARANCES 6............................................
RETURN AIR REQUIREMENTS 7.................................................
CLOSET INSTALLATIONS 7......................................................
Furnace t o Closet Door Clearance — Greater t han 6 Inches 7........................
Additional Requirements 7.......................................................
Floor or Ceiling Return Air System 7..............................................
SPECIAL CLOSET INSTALLATIONS 8.............................................
Furnace t o Closet Door Clearance — Greater t han 1 Inch and Less than 6 Inches 8....
Furnace to Closet Door Clearance — Less than 1 Inch 8............................
AIR DISTRIBUTION SYSTEMS 9..................................................
ROOF JACKS 10.........................................................
Locating and Cutting Roof Jack Opening 10........................................
Installing Roof Jack in Roof 10....................................................
CEILING RINGS 12..............................................................
DUCT CONNECTORS 12.........................................................
TEMPLATE & CUTOUT DIMENSIONS 12...........................................
DLAS SERIES FURNACES 13.............................................
Installation Procedure for DLAS Furnace 13.........................................
DGAT & DGAM SERIES FURNACES 14....................................
Installation Procedure for DGAT & DGAM Furnaces 14...............................
CONNECTING ROOF JACK TO FURNACE 15...............................
VENT SYSTEM INST ALLATION INSTRUCTIONS 16.........................
EXISTING FU RNACE REPLACEMENT 16...........................................
NEW HOME INSTALLATION 16....................................................
INSTALLATION IN SNOW REGIONS 16.............................................
ELECTRICAL WIRING 17.................................................
CONNECT ELECTRICAL POWER AND CONTROLS 17...............................
WALL THERMOST A T 17..........................................................
THERMOSTAT WIRING FOR DGAT AND DGAM SERIES 18..................
THERMOSTAT WIRING FOR DLAS (HEAT ONLY) SERIES 19.................
WIRING DIAGRAMS 20...................................................
Wiring Diagram for DGAT Series 20................................................
Wiring Diagram for DGAM Series 21...............................................
GAS PIPING 22..........................................................
INSTALLATION AND CHECKING OF GAS LINE 22...................................
Observing Burner Operation 22...................................................
Combustion Air 22...............................................................