Lighting And Operating Instructions - A.O. Smith DB/DW-720-1810 User Manual

LIGHTING AND OPERATING INSTRUCTIONS

FOR YOUR SAFETY READ BEFORE OPERATING
"WARNING: IF YOU DO NOT FOLLOW THESE INSTRUCTIONS
EXACTLY, A FIRE OR EXPLOSION MAY RESULT CAUSING
PROPERTY DAMAGE, PERSONAL INJURY OR LOSS OF LIFE."
WARNING:
HOT WATER CAN PRODUCE 3rd DEGREE BURNS IN 6 SECONDS AT 140° F. (60° C).
IN CASE OF POWER FAILURE DO NOT ATTEMPT TO OPERATE BOILER.
IMPROPER INSTALLATION, ADJUSTMENT, ALTERATION, SERVICE OR MAINTENANCE
CAN CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR LOSS OF LIFE. REFER
TO THE USER'S INFORMATION MANUAL PROVIDED WITH THIS BOILER.
INSTALLATION AND SERVICE MUST BE PERFORMED BY A QUALIFIED INSTALLER,
SERVICE AGENCY OR THE GAS SUPPLIER.
A. THIS APPLIANCE IS EQUIPPED WITH AN IGNITION DEVICE WHICH AUTOMATICALLY
LIGHTS THE PILOT. DO NOT TRY TO LIGHT THE PILOT BY HAND.
B. BEFORE OPERATING: SMELL ALL AROUND THE APPLIANCE AREA FOR GAS. BE
SURE TO SMELL NEXT TO THE FLOOR BECAUSE SOME GAS IS HEAVIER THAN AIR
AND WILL SETTLE ON THE FLOOR.
WHAT TO DO IF YOU SMELL GAS
• DO NOT TRY TO LIGHT ANY APPLIANCE.
• DO NOT TOUCH ANY ELECTRIC 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.
C. USE ONLY YOUR HAND TO PUSH IN OR TURN THE GAS CONTROL KNOB. NEVER
USE TOOLS. IF THE KNOB WILL NOT PUSH IN OR TURN BY HAND, DON'T TRY TO
REPAIR IT. CALL A QUALIFIED SERVICE TECHNICIAN. FORCE OR ATTEMPTED
REPAIR MAY RESULT IN A FIRE OR EXPLOSION.
D. DO NOT USE THIS APPLIANCE IF ANY PART HAS BEEN UNDER WATER. IMMEDIATELY
CALL QUALIFIED SERVICE TECHNICIAN TO INSPECT THE APPLIANCE AND TO
REPLACE ANY PART OF THE CONTROL SYSTEM AND ANY GAS CONTROL WHICH
HAS BEEN UNDER WATER.
LIGHTING INSTRUCTIONS
1. MAKE SURE BOILER AND SYSTEM ARE FILLED WITH WATER AND ALL AIR HAS
BEEN EXPELLED FROM APPLIANCE.
2. TURN OFF ELECTRIC POWER TO THE BOILER. SET SYSTEM TEMPERATURE
CONTROLLER TO LOWEST SETTING. PURGE ALL GAS LINES OF AIR.
3. CLOSE MAIN VALVE, FIRING VALVE, PILOT MANUAL VALVE. "WAIT FIVE (5) MINUTES
TO CLEAR OUT ANY GAS. THEN SMELL FOR GAS, STOP! FOLLOW "B" IN
THE SAFETY INFORMATION ABOVE ON THIS LABEL. IF YOU DO NOT SMELL GAS,
GO THE NEXT STEP."
4. OPEN MAIN VALVE, FIRING VALVE AND PILOT MANUAL VALVE.
5. TURN ON ELECTRIC POWER AND SET SYSTEM TEMPERATURE CONTROLLER TO
DESIRED OPERATING TEMPERATURE. WHEN CONTROLLER CALLS FOR HEAT, THE
CIRCULATING PUMP WILL OPERATE AND THE PILOT BURNER WILL BE SPARK
IGNITED. MAIN GAS VALVES WILL OPEN AND MAIN BURNER WILL THEN IGNITE.
NOTE: TRAIL FOR IGNITION IS (15) SECONDS.
NOTE: IF PILOT FAILS TO IGNITE, TURN OFF BOILER AND CONSULT YOUR
"INSTALLATION AND USERS MANUAL" FOR ADJUSTMENTS AND TROUBLE-
SHOOTING.
6. IF THE APPLIANCE WILL NOT OPERATE, FOLLOW THE INSTRUCTIONS
"TO TURN OFF GAS TO APPLIANCE" CALL YOUR SERVICE TECHNICIAN OR
GAS SUPPLIER.
TO TURN OFF GAS TO APPLIANCE
A. TURN OFF ELECTRICAL POWER TO BOILER.
B. CLOSE MAIN VALVE, FIRING VALVE AND PILOT MANUAL VALVE.
C. SET SYSTEM TEMPERATURE CONTROLLER TO LOWEST SETTING.
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