A.O. Smith HW 610 warranty URN Pilo T Firing VA LVE Counterclockwise

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LIGHTING AND OPERATING INSTRUCTIONS (NATURAL AND PROPANE GAS WITH I.I.D.)

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.

FLAMMABLE

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 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 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.

E . DO NOT OPERATE APPLIANCE UNLESS UNIT IS FILLED WITH WATER AND INLET LINES ARE FULLY OPEN.

GAS VALVE

 

 

 

CONTROL KNOB

 

FIGURE “C”

FIGURE “D”

 

 

FIGURE "A"

FIGURE "B"

FLOW

FLOW

 

 

ON

ON

 

 

OFF

OFF

HANDLE “OFF”

HANDLE “ON”

 

 

 

HONEYWELL GAS VALVE"OFF" POSITION "ON" POSITION

POSITION

POSITION

 

 

MANUAL SHUTOFF VALVE

FIGURE “C”

HANDLE “OFF”

POSITION

PILOT

FIGURE “D”

HANDLE “ON”

POSITION

PILOT

PILOT FIRING VALVE

OPERATING INSTRUCTIONS

1.

 

STOP! READ THE SAFETY INFORMATION

11. SET THERMOSTAT TO DESIRED SETTING. PILOT

ABOVE ON THIS LABEL.

 

 

BURNER WILL BE IGNITED BY ELECTRONIC SPARK.

2. SET THE THERMOSTAT TO LOWEST SETTING.

12. LOCATE PEEP HOLE IN FRONT OF THE PILOT

3. TURN OFF ALL ELECTRIC POWER TO THE

 

BURNER. MAKE SURE PILOT IS BURNING.

APPLIANCE.

 

ADVISORY: THERE IS A FIFTEEN (15) SECOND TRIAL

4. THIS APPLIANCE IS EQUIPPED WITH AN IGNITION

PERIOD FOR PILOT IGNITION WHICH IS TIME ENOUGH

DEVICE WHICH AUTOMATICALLY LIGHTS THE

FOR IGNITION WHEN AIR HAS BEEN BLED FROM GAS

PILOT. DO NOT TRY TO LIGHT THE PILOT BY HAND.

LINES PRIOR TO IGNITIION ATTEMPT. IF PILOT FAILS

5. REFER TO DIAGRAMS ABOVE. TURN TOP KNOB OF

TO IGNITE AND YOU SUSPECT THAT IT IS DUE TO AIR

IN THE LINES, CLOSE PILOT MANUAL VALVE AND

GAS CONTROL CLOCKWISE

, TO "OFF"

REPEAT LIGHTING PROCEDURE STEPS 1 THRU 12

POSITION (FIG. A)

 

 

13. WITH PILOT FLAME ESTABLISHED, TURN MANUAL

6. TURN MANUAL SHUTOFF VALVE COUNTERCLOCK-

 

SHUT OFF VALVE CLOCKWISE TO “ON” (FIG D),

WISE

TO “OFF” (FIG C). TURN PILOT MANUAL VALVE

TO ALLOW GAS TO REACH MAIN BURNER. NOTE:

COUNTERCLOCKWISE TO “OFF” (FIG E).

 

 

THE REDUNDANT MAIN COMBINATION VALVE WILL

7. WAIT FIVE (5) MINUTES TO CLEAR OUT ANY GAS.

 

 

ALREADY BE OPEN, AND MAIN BURNER WILL IGNITE.

THEN SMELL FOR GAS, INCLUDING NEAR THE

 

ADVISORY: IF MAIN BURNER FAILS TO IGNITE, MAKE

FLOOR. IF YOU SMELL GAS,

 

STOP! FOLLOW

 

SURE PILOT IS BURNING. IF THE APPLIANCE WILL

"B" IN THE SAFETY INFORMATION ABOVE ON THIS

NOT OPERATE, FOLLOW THE INSTRUCTIONS BELOW

ON THIS LABEL “TO TURN OFF GAS TO APPLIANCE”

LABEL. IF YOU DON'T SMELL GAS, GO TO THE NEXT STEP

AND CALL YOUR SERVICE TECHNICIAN OR GAS

8. TURN TOP KNOB OF GAS CONTROL COUNTER-

SUPPLIER.

CLOCKWISE TO “ON” (FIG B).

 

 

 

9.TURN PILOT FIRING VALVE CLOCKWISE TO “ON” (FIG F).

10.TURN ON ALL ELECTRIC POWER TO THE APPLIANCE

MAIN BURNER

PILOT BURNER

TO TURN OFF GAS TO APPLIANCE

1

. T URN OFF ALL ELECTRICAL POWER T O APPLIANCE.

 

2

. T URN T OP KNOB OF GAS CONTRO L VA LVE CLOCKWISE TO “OFF” . (FIG . “A”)

3

. T URN MAIN FIRING VA LVE COUNTER CLOCKWISE

TO “OFF” (FIG . C), A ND

 

T URN PILO T FIRING VA LVE COUNTERCLOCKWISE

T O “OFF” (FIG “E”) .

4

. SET T HE THERMOSTAT TO LOWWEST SETTING .

210135-000 REV 02

 

 

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Contents Models HW 300, 399, 420, 520, 610 Tennessee Waltz Parkway Ashland City, TNSafe INSTALLATION, USE and Service Important DefinitionsGeneral Safety Table of Contents Dimensions and Capacity Data Propane NaturalRecovery Capacities 27.7 33.3LIQUefied petroleum gas models High Altitude InstallationsIntroduction Controls and Function Manual Reset High Limit High Limit Switch Safety Flow SwitchThermal Balancer GPM LPMSafety Relief Valves Tank Temperature Control General ThermometersDrain Valve Not Supplied Required AbilityConfined Space S. Installations Canadian InstallationsAIR Requirements Unconfined SpaceInstallation Clearances Typical Boiler InstallationVenting LevelingVent Pipe Installation Connecting Boiler to a Common VentDraft Hood Vent ConnectionVenting System Venting Sidewall Optional Power Vent SystemMultiple Vent Table Combined Vent Sizing Tables Model HW-300 BoilerSystem Installations Conventional InstallationsLINEAR-TEMP Installations ONE Boiler Installed Independent of the Primary SystemNO. Suggested Items for Installation Schematic of the LINEAR-TEMPSYSTEMBoiler Inlet Outlet Sizes Minimum Branch Sizes to BoilersGAS Connections Purging and Sizing Correct GASExample Specific Multiplier GravityGAS Pressure Regulators Model Rated Manifold Pressure Number Input Natural PropaneWiring Wiring ConnectionsHW 300 to D. SystemSingle Stage I.I.D. Honeywell GAS Valve HW 300 thru 670. Natural and Propane GAS U.S. & CanadaLINEAR-TEMP Installations Boilers and Secondary Circulator are Controlled by Page Canadian MODELS, Junction BOX W/6 Terminals MODELS, Jucntion BOX W/4 TerminalsCanadian MODELS, Junction BOX W/6 Terminals Schematic MODELS, Junction BOX W/4 Terminals MODELS, Junction BOX W/4 Terminals Wiring Figures 16 and 17 on Pages 24 PipingCommercial Boiler with Vertical Tank USE this Table for Correct Pump and Water Pipe SizeCommercial Boiler with Horizontal Tank Wiring Figures 21 to 27 on Pages 28 to Commercial Boiler with Vertical TANK, CER-TEMPHW-300 HW-399 HW-420 HW-520 Three HW-520s, HW-610s or HW-670s UP-FLOW Model USE this Table for Correct Pump and Water Pipe Size Operation and START-UP Instructions Filling the SystemPilot and Main Burner Main BurnerPilot Burner Electronic Ignition Refer to Operating at Full Input or Full Capacity Checking and Adjusting the InputConsumption Rate Stage Main Burner Operation Flame Current Sensed For Your Safety Read Before Lighting SET T HE Thermostat to Lowwest Setting URN Pilo T Firing VA LVE CounterclockwiseRelief Valve General MaintenanceManual Reset High Limit Switch Continuity Test Cleaning and Flushing Instructions PRE-TROUBLESHOOTINGHOT Water Supply Boilers Preventive Maintenance Internal ContaminantsTroubleshooting CER-TEMP 80 Recovery System Checkout ProcedureYES Burner ignition problems? Is ceramic insulator surrounding the electrode in goodCondition not cracked or broken? Is there excessive draft conditions that may cause pilotMV & MV/PV? Replace pilot burner assembly LED Status and Troubleshooting Location of LEDs Flame LED YellowStatus LED Green OFFNo Call for Heat Not applicable None OFF Limited Warranty Conditions and Exceptions