Lighting Instructions - A.O. Smith HW 300 Installation & Operation Manual

LIGHTING AND OPERATING INSTRUCTIONS NATURAL AND PROPANE FOR HW300 - HW399
FOR YOUR SAFETY READ BEFORE LIGHTING
WARNING:
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).
O O
IN CASE OF POWER FAILURE DO NOT ATTEMPT
TO OPERATE APPLIANCE. 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
APPLIANCE. INSTALLATION AND SERVICE MUST BE
PERFORMED BY A QUALIFIED INSTALLER, SERVICE
AGENCY OR THE GAS SUPPLIER.
THIS APPLIANCE IS EQUIPPED WITH AN IGNITION
A.
DEVICE WHICH AUTOMATICALLY LIGHTS THE PILOT.
DO NOT TRY TO LIGHT THE PILOT BY HAND.
B. BEFORE OPERATING: SMELL ALL AROUND THE APPLI-
ANCE AREA FOR GAS. BE SURE TO SMELL NEXT TO
THE FLOOR BECAUSE SOME GAS IS HEAVIER THAN
AIR AND WILL SETTLE ON THE FLOOR.
GAS VALVE
CONTROL KNOB
HONEYWELL GAS VALVE
1. STOP! READ THE SAFETY INFORMATION
ABOVE ON THIS LABEL.
2. MAKE SURE BOILER AND SYSTEM ARE FILLED
WITH WATER AND ALL AIR HAS BEEN EXPELLED
FROM APPLIANCE.
3. TURN OFF ALL ELECTRIC POWER TO THE
APPLIANCE. SET SYSTEM TEMPERATURE
CONTROLLER TO LOWEST SETTING. PURGE ALL
GAS LINES OF AIR.
4. DO NOT ATTEMPT TO LIGHT THE PILOT BY HAND
5. REFER TO DIAGRAMS ABOVE. TURN TOP KNOB OF
GAS CONTROL & PILOT VALVE (FIG. "C")
CLOCKWISE , TO "OFF" POSITION (FIG. "A")
6. WAIT FIVE (5) MINUTES TO CLEAR OUT
ANY GAS. THEN SMELL FOR GAS, INCLUDING
NEAR THE FLOOR. IF YOU SMELL GAS,
STOP! FOLLOW "B" IN THE SAFETY
INFORMATION ABOVE ON THIS LABEL. IF YOU
DON'T SMELL GAS, GO TO THE NEXT STEP.
TO TURN OFF GAS TO APPLIANCE
A. S E T T H E S Y S T E M C O N T R O L L E R
L O W E S T S E T T I N G .
B. T U R N O F F 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 .
If you do not follow these instructions exactly, a
FIGURE "A"
ON
OFF
"OFF" POSITION

LIGHTING INSTRUCTIONS

T O T H E
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 TURN THE GAS
CONTROL 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.
D.
DO NOT USE THIS APPLIANCE IF ANY PART
HAS BEEN 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.
FIGURE "B"
ON
OFF
"ON" POSITION
7. TURN TOP KNOB OF GAS CONTROL COUNTER-
CLOCKWISE TO "ON" (FIG. B). OPEN PILOT
MANUAL VALVES, COUNTER-CLOCKWISE
FIGURE "D"
8. TURN ON ALL ELECTRIC POWER TO THE
APPLIANCE.
9. SET SYSTEM TEMPERATURE CONTROLLER
TO DESIRED SETTING.
10. WHEN CONTROLLER CALLS FOR HEAT, THE
CIRCULATING PUMP WILL OPERATE AND THE
PILOT BURNER WILL BE SPARK IGNITED. GAS
CONTROL WILL OPEN AND MAIN BURNER WILL
THEN IGNITE. NOTE: IF PILOT FAILS TO IGNITE,
TURN OFF APPLIANCE AND CONSULT YOUR
"INSTALLATION AND USER'S MANUAL" FOR
ADJUSTMENTS AND TROUBLE SHOOTING.
11. IF THE APPLIANCE WILL NOT OPERATE, FOLLOW
THE INSTRUCTIONS "TO TURN OFF GAS TO
APPLIANCE" AND CALL YOUR SERVICE
TECHNICIAN OR GAS SUPPLIER.
C. TURN TOP KNOB OF GAS CONTRO L VALVE
CLOCKWISE T O "OFF" POSITION SEE, (FIG. A).
CLOSE FIRING AND PILOT MANUA L VALVES,
CLOCKWISE . SEE ABOVE.
43
FLAMMABLE
FIGURE "C"
HANDLE "OFF"
POSITION
PILOT
FIGURE "D"
HANDLE "ON"
POSITION
PILOT
PILOT FIRING VALVE
.
211686-000 REV. XX