
@1996 Lennox ]ndustria,_ Inc,
Dallas, Texas
503,574M
10/96
Supsersedes 503,479M
GCS26
SERIES
GAS / ELECTRIC
PACKAGED
UNITS
RETAIN THESE INSTRUCTIONS
FOR FUTURE REFERENCE
bllcattons
Litho US.A.
Do not store or use gasoline or other
flammable vapors and liquids in the
vicinity of this or any other ap-
pliance.
Installation and service must be
performed by a qualified installer,
service agency or the gas supplier.
A WARNING
c
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.
Page 1

CONDENSERFAN
CONDENSER COIL
\
BLOWER MOTOR
COMPRESSOR
PRESSURESWITCH
GAS
HEAT EXCHANGER
ASSEMBLY
BURNER BOX
GAS VALVE
COMBUSTION
AIR BLOWER
CONTROL BOX SECTION
FIGURE 1
,& IMPORTANT
Keep the area clean and free of combustible material,
gasoline, and other flammable vapors and liquids. The
flow of combustion and ventilation air must not be ob-
structed from entering the furnace or condenser coil. Do
not permit overhanding structures or shrubs to obstruct
condenser fan discharge, combustion air inlet or vent
outlet.
Page 2