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American Water Heater
AHCG3/HCG3100T250, AHCG3/HCG360T120 warranty
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FIGURE 5a.
U.S. POWER VENT
CANADIAN POWER VENT
FIGURE 5b.
CAUTION
TO PREVENT EXHAUSTING PRODUCTS FROM CIRCULATING TO THE AIR INT
AKE
IN WINDY/COLD AREAS, THE MAXIMUM PRACTICAL DISTANCE BETWEEN
THESE TWO TERMINALS IS RECOMMENDED.
Contents
Main
HIGH EFFICIENCY AHCG3/HCG360T120 thru AHCG3/HCG3100T250
COMMERCIAL GAS WATER HEATER
GAS-FIRED POWER BURNER FOR DOMESTIC HOT WATER
INSTALLATION OPERATION SERVICE MAINTENANCE LIMITED WARRANTY
FOREWORD
HIGH EFFICIENCY AHCG3/HCG360T120 thru AHCG3/HCG3100T250 ROUGH-IN-DIMENSIONS
DANGER
FEATURES
WATER TEMPERATURE CONTROL
TABLE OF CONTENTS
HIGH LIMIT SWITCH (E.C.O.)
DISHWASHING MACHINE REQUIREMENT
INSTALLATION INSTRUCTIONS
REQUIRED ABILITY
INSULATION BLANKETS
WARNING
LOCATING THE HEATER WARNING
WARNING
CLEARANCES
CHEMICAL VAPOR CORROSION
WARNING
VENTING WARNING
WARNING
VENT PIPE TERMINATION
INSTALLATION REQUIREMENTS FOR THE COMMONWEALTH OF MASSACHUSETTS
Page
Page
WARNING
DIRECT VENTING
WARNING
DIRECT VENT TERMINAL INSTALLATION
INSTALLATION SEQUENCE
CAUTION
FOR ALL MODELS
VERTICAL VENT TERMINAL INSTALLATION
INSTALLATION SEQUENCE
VENT PIPE PREPARATION
INSTALLATION OF VENT SYSTEM WARNING
LOW GAS PRESSURE SWITCH
ON/OFF SWITCH
CAUTION
GAS PIPING
CAUTION
CONTROLS AND SWITCHES
BLOWER PROVER SWITCH
BLOCKED OUTLET PROVER SWITCH
WARNING
CONNECTION OF GAS PIPE
PURGING
CAUTION
GAS METER SIZE - CITY GASES ONLY
SYSTEM CONNECTIONS
THERMOMETERS (Not Supplied)
RELIEF VALVE
WARNING
WATER LINE CONNECTIONS
HEATER WIRING
Page
3. Adjusting the Operating Set Point
2. Operating States
4. Changing the Display Units
5. Fault and Warning Conditions
6. Access to the Current Fault or Warning
7. Viewing the Fault History
8. Viewing Information About the Heater
PRIOR TO START UP
ADJUSTMENT PROCEDURE
INITIAL START-UP - AHCG3/HCG3100T199Tthru 100T250
OPERATING INSTRUCTIONS
ADJUSTMENT PROCEDURE
CATHODIC PROTECTION
PRECAUTIONS
GENERAL INFORMATION
POWER BURNER
HIGH LIMIT
HIGH ALTITUDE INSTALLATIONS WARNING
MAINTENANCE
Page
Page
Page
POWERED ANODE SYSTEM
FLUSHING
DRAINING
SEDIMENT REMOVAL
LIME SCALE REMOVAL
DRAIN VALVE AND ACCESS PANELS
RELIEF VALVE
CAUTION
CIRCULATING PUMP
VENT SYSTEM
INSTALLATION DIAGRAMS
ONE TEMPERATURE - ONE HEATER VERTICAL STORAGE TANK FORCED CIRCULATION
*
TWO TEMPERATURE - ONE HEATER HIGH TEMPERATURE
DANGER
TWO TEMPERATURE - TWO HEATERS HIGH TEMPERATURE
TWO TEMPERATURE - THREE HEATERS (TWO PRE-HEATERS/ONE BOOSTER HEATER)
DANGER
TWO TEMPERATURE - TWO HEATERS (ONE PRE-HEATER/ONE BOOSTER HEATER)
DANGER
TWO TEMPERATURE - ONE HEATER HIGH TEMPERATURE WITH RECIRCULATION OF SANITIZING LOOP
MANIFOLD KITS
CHECKLIST AND SERVICE INFORMATION
WARNING
BURNER OPERATIONAL PROBLEMS
NOT ENOUGH OR NO HOT WATER
WATER IS TOO HOT
MOTOR WILL NOT RUN
MOTOR RUNS, PREPURGE TIME ELAPSES BUT MAIN FLAME NOT ESTABLISHED.
MOTOR RUNS, BURNER LIGHTS MOMENTARILY, THEN LOCKS OUT
CAUTION
GAS FAILS TO SHUT OFF
Commercial Limited Warranty
2. ALL OTHER PARTS
3. CONDITIONS AND EXCEPTIONS
4. SERVICE AND REPAIR EXPENSES
5. LIMITATIONS ON IMPLIED WARRANTIES