A.O. Smith HW 300 Installation & Operation Manual page 44

LIGHTING AND OPERATING INSTRUCTIONS (NATURAL AND PROPANE GAS WITH I.I.D.)
FOR YOUR SAFETY READ BEFORE OPERATING
WARNING:
fire or explosion may result causing property damage, personal
injury or loss of life.
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 LIGHTING: SMELL ALL AROUND THE
APPLIANCE AREA FOR GAS. BE SURE TO SMELL
NEXT TO THE FLOOR BECAUSE SOME GAS IS H EAVIER
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.
GAS VALVE
CONTROL KNOB
FIGURE "A"
"OFF" POSITION
HONEYWELL GAS VALVE
OPERATING INSTRUCTIONS
1. STOP! READ THE SAFETY INFORMATION
ABOVE ON THIS LABEL.
2. SET THE THERMOSTAT TO LOWEST SETTING.
3. TURN OFF ALL ELECTRIC POWER TO THE
APPLIANCE.
4. THIS APPLIANCE IS EQUIPPED WITH AN IGNITION
DEVICE WHICH AUTOMATICALLY LIGHTS THE
PILOT. DO NOT TRY TO LIGHT THE PILOT BY HAND.
5. REFER TO DIAGRAMS ABOVE. TURN TOP KNOB OF
GAS CONTROL CLOCKWISE
POSITION (FIG. A)
6. TURN MANUAL SHUTOFF VALVE COUNTERCLOCK-
WISE TO "OFF" (FIG C). TURN PILOT MANUAL VALVE
COUNTERCLOCKWISE
7. WAIT FIVE (5) MINUTES TO CLEAR OUT ANY GAS.
THEN SMELL FOR GAS, INCLUDING NEAR THE
FLOOR. IF YOU SMELL GAS,
"B" IN THE SAFETY INFORMATION ABOVE ON THIS
LABEL. IF YOU DON'T SMELL GAS, GO TO THE NEXT STEP
8. TURN TOP KNOB OF GAS CONTROL COUNTER-
CLOCKWISE TO "ON" (FIG B).
9. TURN PILOT FIRING VALVE CLOCKWISE
(FIG F).
10. TURN ON ALL ELECTRIC POWER TO THE APPLIANCE
TO TURN OFF GAS TO APPLIANCE
1 . T U R N O F F A L L E L E C T R I C A L P O W E R T O A P P L I A N C E .
2 . T U R N T O P K N O B O F G A S C O N T R O L VA LV E C L O C K W I S E
3 . T U R N M A I N F I R I N G VA LV E C O U N T E R C L O C K W I S E
T U R N P I L O T F I R I N G VA LV E C O U N T E R C L O C K W I S E
4 . S E T T H E T H E R M O S TAT TO L O W W E S T S E T T I N G .
If you do not follow these instructions exactly, a
C .USE ONLY YOUR HAND TO TURN THE GAS CONTROL
D .DO NOT USE THIS APPLIANCE IF ANY PART HAS BEEN
E . DO NOT OPERATE APPLIANCE UNLESS UNIT IS FILLED
FIGURE "B"
ON ON
OFF
OFF
"ON" POSITION
, TO "OFF"
TO "OFF" (FIG E).
STOP! FOLLOW
TO "ON"
44
KNOB. NEVER USE TOOLS. IF THE KNOB WILL NOT
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.
UNDER WATER. IMMEDIATELY CALL A 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.
WITH WATER AND INLET LINES ARE FULLY OPEN.
FIGURE "C"
FIGURE "D"
HANDLE "OFF" HANDLE "ON"
POSITION POSITION
MANUAL SHUTOFF VALVE
11. SET THERMOSTAT TO DESIRED SETTING. PILOT
BURNER WILL BE IGNITED BY ELECTRONIC SPARK.
12. LOCATE PEEP HOLE IN FRONT OF THE PILOT
BURNER. MAKE SURE PILOT IS BURNING.
ADVISORY: THERE IS A FIFTEEN (15) SECOND TRIAL
PERIOD FOR PILOT IGNITION WHICH IS TIME ENOUGH
FOR IGNITION WHEN AIR HAS BEEN BLED FROM GAS
LINES PRIOR TO IGNITIION ATTEMPT. IF PILOT FAILS
TO IGNITE AND YOU SUSPECT THAT IT IS DUE TO AIR
IN THE LINES, CLOSE PILOT MANUAL VALVE AND
REPEAT LIGHTING PROCEDURE STEPS 1 THRU 12
13. WITH PILOT FLAME ESTABLISHED, TURN MANUAL
SHUT OFF VALVE CLOCKWISE
TO ALLOW GAS TO REACH MAIN BURNER. NOTE:
THE REDUNDANT MAIN COMBINATION VALVE WILL
ALREADY BE OPEN, AND MAIN BURNER WILL IGNITE.
ADVISORY: IF MAIN BURNER FAILS TO IGNITE, MAKE
SURE PILOT IS BURNING. IF THE APPLIANCE WILL
NOT OPERATE, FOLLOW THE INSTRUCTIONS BELOW
ON THIS LABEL "TO TURN OFF GAS TO APPLIANCE"
AND CALL YOUR SERVICE TECHNICIAN OR GAS
SUPPLIER.
MAIN BURNER
PILOT BURNER
TO " O F F " . ( F I G . " A " )
TO " O F F " ( F I G . C ) , A N D
T O " O F F " ( F I G " E " ) .
FLAMMABLE
FIGURE "C"
HANDLE "OFF"
POSITION
PILOT
FIGURE "D"
HANDLE "ON"
POSITION
PILOT
PILOT FIRING VALVE
TO "ON" (FIG D),
210135-000 REV 02