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359AAV
4--WAY MULTIPOISE FIXED SPEED
CONDENSING GAS FURNACE
Service Guide
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CERTIFIED
NOTE: Read the entire instruction manual before starting the
installation. .
ELECTRICAL SHOCK, FIRE, OR EXPLOSION
HAZARD
Failure to follow warnings could result in personal injury,
death, or property damage.
Before servicing, disconnect all electrical power and gas
supply to furnace. Lockout and tag with appropriate label.
When servicing controls, label all wires prior to disconnecting.
Reconnect wires correctly.
Verify proper operation after servicing.
!
WARNING
ELECTRICAL SHOCK, FIRE OR EXPLOSION
HAZARD
Failure to follow this warning could result in property damage,
personal injury, or death.
The ability to properly perform maintenance on this equipment
requires certain expertise, mechanical skills, tools, and
equipment. If you do not possess these, do not attempt to
perform any maintenance on this equipment other than those
procedures recommended in the User’s Manual.
!
WARNING
TABLE OF CONTENTS
PAGE
SAFETY CONSIDERATIONS 1.........................
GENERAL 2.........................................
ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS 2...
CARE AND MAINTENANCE 3.........................
Cleaning and/or Replacing Air Filter 3....................
Blower Motor and Wheel Maintenance 3..................
Cleaning Burners 4...................................
Cleaning Heat Exchangers 15...........................
Primary Heat Exchangers 15........................
Secondary Heat Exchangers 15......................
Flushing Collector Box and Drainage System 15............
Servicing Hot Surface Igniter 16.........................
Electrical Controls And Wiring 18.......................
Checking Heat Tape Operation (If Applicable) 18...........
Winterizing 18......................................
WIRING DIAGRAM 18................................
TROUBLESHOOTING 18..............................
SAFETY CONSIDERATIONS
Recognize safety information. This is the safety-alert symbol.
!
When you see this symbol on the furnace and in instructions or
manuals, be alert to the potential for personal injury.
Understand the signal words DANGER, WARNING, CAUTION,
and NOTE. These words are used with the safety-alert symbol.
DANGER identifies the most serious hazards which will result in
severe personal injury or death. WARNING signifies hazards
which could result in personal injury or death. CAUTION is used
to identify unsafe practices which would result in minor personal
injury or product and property damage. NOTE is used to highlight
suggestions which will result in enhanced installation, reliability,
or operation.