PRODUCT LITERATURE 1997 Lennox Industries Inc. Dallas, Texas INSTALLATION INSTRUCTIONS GAS UNITS 503,560M 2/97 Supersedes 11/96 TABLE OF CONTENTS UNIT DIMENSIONS................................ 2 PARTS ARRANGEMENT............................ 3 REQUIREMENTS.................................. 4 GENERAL......................................... 5 COMBUSTION, DILUTION AND VENTILATION AIR.... 5 INSTALLATION Setting Equipment................... 7 RETURN AIR OPENING GUIDELINES................ 8 DUCT SYSTEM.................................... 8 VENTING......................................... 8 GAS PIPING...................................... 10 ELECTRICAL..................................... 11 UNIT START UP.................................. 14 HIGH ALTITUDE INFORMATION.................... 15 GAS PRESSURE ADJUSTMENT.................... 15 OTHER UNIT ADJUSTMENTS...................... 15 SERVICE........................................ 17 REPAIR PARTS................................... 19 START UP AND PERFORMANCE CHECK LIST...... 19 BCC TROUBLESHOOTING........................ 20 WARNING RETAIN THESE INSTRUCTIONS FOR FUTURE REFERENCE If the information in this manual is not followed exactly, a fire or explosion may result causing property damage, personal injury or loss of life. Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance. Installation and service must be performed by a qualified installer, service agency or the gas supplier. WHAT TO DO IF YOU SMELL GAS: Do not try to light any appliance. Extinguish any open flames. Do not touch any electrical switch; do not use any phone in your building. Immediately call your gas supplier from a neighbor s phone. Follow the gas supplier s instructions. If you cannot reach your gas supplier, call the fire department.
G20R UNIT DIMENSIONS INCHES (MM)
G20R PARTS ARRANGEMENT
REQUIREMENTS
GENERAL COMBUSTION, DILUTION & VENTILATION AIR
INSTALLATION Setting Equipment INSTALLING BASE ANGLE INSTALLING BASE ANGLE
RETURN AIR OPENING GUIDELINES INSTALLING BASE ANGLE DUCT SYSTEM VENTING
GAS PIPING
ELECTRICAL
UNIT START UP
HIGH ALTITUDE INFORMATION GAS PRESSURE ADJUSTMENT OTHER UNIT ADJUSTMENTS
SERVICE
REPAIR PARTS LIST G20RE START UP AND PERFORMANCE CHECK LIST