9MAC
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Safety Labeling and Signal Words
DANGER, WARNING, CAUTION, and NOTE
The signal words DANGER, WARNING,
CAUTION, and NOTE are used to identify levels of
hazard seriousness. The signal word DANGER is
only used on product labels to signify an immediate
hazard. The signal words WARNING, CAUTION,
and NOTE will be used on product labels and
throughout this manual and other manual that may
apply to the product.
DANGER − Immediate hazards which will result in
severe personal injury or death.
WARNING − Hazards or unsafe practices which
could result in severe personal injury or death.
CAUTION − Hazards or unsafe practices which
may result in minor personal injury or product or
property damage.
NOTE − Used to highlight suggestions which will
result in enhanced installation, reliability, or
operation.
!
WARNING
Signal Words in Manuals
The signal word CAUTION is used throughout
this manual in the following manner:
!
CAUTION
Signal Words on Product Labeling
Signal words are used in combination with
colors and/or pictures or product labels.
The signal word WARNING is used throughout
this manual in the following manner:
Safety−alert symbol
When you see this symbol on the unit and in
instructions or manuals, be alert to the
potential for personal injury.
TABLE OF CONTENTS
START−UP, ADJUSTMENT, AND SAFETY CHECK 4...........
SELECT SETUP SWITCH POSITIONS 4.....................
PRIME CONDENSATE TRAP WITH WATER 4.................
PURGE GAS LINES 5......................................
ADJUSTMENTS 5.........................................
ADJUST TEMPERATURE RISE 7............................
ADJUST BLOWER OFF DELAY (HEAT MODE) 8..............
ADJUST COOLING AIRFLOW 8.............................
ADJUST CONTINUOUS FAN AIRFLOW 8....................
ADJUST THERMOSTAT HEAT ANTICIPATOR 10...............
CHECK SAFETY CONTROLS 10.............................
CHECKLIST 10.............................................
COOLING AND HEATING AIR DELIVERY 13...................
SERVICE AND MAINTENANCE PROCEDURES 15.............
ELECTRICAL CONTROLS AND WIRING 15...................
CLEANING AND/OR REPLACING AIR FILTER 17..............
CLEANING BURNERS AND FLAME SENSOR 19...............
SERVICING HOT SURFACE IGNITER 20......................
FLUSHING COLLECTOR BOX AND DRAINAGE SYSTEM 21....
CLEANING CONDENSATE DRAIN AND TRAP 21..............
WINTERIZATION 22........................................
SERVICE LABEL 23.........................................
TROUBLESHOOTING GUIDE 25.............................
SEQUENCE OF OPERATION 28.............................
PARTS REPLACEMENT INFORMATION GUIDE 32.............
PRODUCT NOMENCLATURE 33.............................
MODELS
(F/G)9MAC0601714A
(F/G)9MAC0801714A
(F/G)9MAC1002122A
(F/G)9MAC1202422A
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 .
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