Manuals / A.O. Smith / Household Appliance / Boiler

A.O. Smith HW 610 warranty Component Location, Recovery Capacities

Models: HW 610

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TABLE 2, RECOVERY CAPACITIES

Model	Input	°F	20	40	50	60	70	80

	BTUH (kW)	°C	11.1	22.2	27.7	33.3	38.8	44.4
	BTUH (kW)	°C	11.1	22.2	27.7	33.3	38.8	44.4

HW 300	300,000 (88)	GPH	1439	719	576	480	411	360

		LPH	5448	2724	2179	1816	1556	1362
		LPH	5448	2724	2179	1816	1556	1362

HW 399	399,000 (117)	GPH	1914	957	765	638	547	478

		LPH	7245	3623	2898	2415	2070	1811
		LPH	7245	3623	2898	2415	2070	1811

HW 420	420,000 (123)	GPH	2014	1007	806	671	576	504

		LPH	7627	3813	3051	2542	2179	1907
		LPH	7627	3813	3051	2542	2179	1907

HW 520	520,000 (152)	GPH	2494	1247	998	831	713	624

		LPH	9443	4721	3777	3148	2698	2361
		LPH	9443	4721	3777	3148	2698	2361

HW 610	610,000 (179)	GPH	2926	1463	1170	975	836	731

		LPH	11077	5538	4431	3692	3165	2769
		LPH	11077	5538	4431	3692	3165	2769

HW 670	660,000 (193)	GPH	3165	1583	1266	1055	904	791

		LPH	11985	5992	4794	3995	3424	2996
		LPH	11985	5992	4794	3995	3424	2996

COMPONENT LOCATION

FIGURE 1.

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A.O. Smith HW 610 warranty Component Location, Recovery Capacities

Contents

INSTALLATION OPERATION MAINTENANCE LIMITED WARRANTY INDOOR ONLY MODELS HW 300, 399, 420, 520, 610UP-FLOW MODELS SAFE INSTALLATION, USE AND SERVICE DANGERIMPORTANT DEFINITIONS GENERAL SAFETY TABLE OF CONTENTS TROUBLESHOOTINGREMOVAL OF EXISTING BOILER FROM A COMMON VENTING SYSTEM DIMENSIONS AND CAPACITY DATA EXTRA OPENING FOR THERMOMETER AND RELIEF VALVE HW-520 AND HW--670TABLE 2, RECOVERY CAPACITIES COMPONENT LOCATIONPRECAUTIONS INTRODUCTIONHIGH ALTITUDE INSTALLATIONS GROUNDING INSTRUCTIONSAUTO RESET HIGH LIMIT CONTROLS AND FUNCTIONHIGH ALTITUDE INSTALLATIONS IN CANADA IN THE U.S.ASAFETY FLOW SWITCH MANUAL RESET HIGH LIMITHIGH LIMIT SWITCH TABLE 3 - SAFETY FLOW SWITCH Minimum Pipe RateSAFETY RELIEF VALVES TANK TEMPERATURE CONTROL DANGERTime to Produce 2nd & 3rd GENERALWater Temperature Degree Burns on Adult SkinAIR REQUIREMENTS Confined Space a U. S. Installationsb Canadian Installations Unconfined SpaceA TYPICAL BOILER INSTALLATION VENTINGINSTALLATION CLEARANCES VENTING THE BOILER - STANDARD VENTINGVENT PIPE INSTALLATION EXAMPLE SHOWING USE OF THE HW-610 COMBINED VENT SIZING TABLE VENTING MAINTENANCE - STANDARD VENTINGVENTING - SIDEWALL OPTIONAL POWER VENT SYSTEM VENTING SYSTEMTABLE 5, COMBINED VENT SIZING TABLES 2. LINEAR-TEMP INSTALLATIONS SYSTEM INSTALLATIONS1. CONVENTIONAL INSTALLATIONS ONE BOILER INSTALLED INDEPENDENT OF THE PRIMARY SYSTEMBOILER INLET - OUTLET SIZES NO. SUGGESTED ITEMS FOR INSTALLATIONSCHEMATIC OF THE LINEAR-TEMP SYSTEM MINIMUM BRANCH SIZES TO BOILERS5. VENT VALVES GAS CONNECTIONSSCHEMATIC SHOWING PROPER PIPING ISOLATION 6. MANIFOLD HEADERSPURGING AND SIZING MAXIMUM CAPACITY OF PIPE IN CUBIC FEET OF GAS PERSpecific SpecificMultiplier MultiplierWIRING WIRING CONNECTIONSHW 300 TO I.I.D. SYSTEM CONNECTION DIAGRAMSCHEMATIC DIAGRAM SINGLE STAGE I.I.D. - HONEYWELL GAS VALVE2. LINEAR-TEMP INSTALLATIONS Dual Bulb, Dual Switch Controller Dual Bulb, Dual Switch Controller Staging and Outdoor Reset of Main Water TemperatureBoilers and Secondary Circulator are Controlled by CANADIAN MODELS, JUNCTION BOX W/6 TERMINALS CER-TEMP 80 - 1 UNIT INSTALLATION - FOR HOT WATER SUPPLY APPLICATIONCER-TEMP 80 - 1 UNIT INSTALLATION - FOR HOT WATER SUPPLY APPLICATION U.S. MODELS, JUCNTION BOX W/4 TERMINALSCANADIAN MODELS, JUNCTION BOX W/6 TERMINALS SCHEMATIC CANADIAN MODELS, JUNCTION BOX W/6 TERMINALSCER-TEMP 80 - 2 OR 3 UNIT INSTALLATION CONNECTION DIAGRAM FOR HOT WATER SUPPLY APPLICATIONU.S. MODELS, JUNCTION BOX W/4 TERMINALS CER-TEMP 80 - 2 OR 3 UNIT INSTALLATION SCHEMATIC DIAGRAM FOR HOT WATER SUPPLY APPLICATIONU.S. MODELS, JUNCTION BOX W/4 TERMINALS COMMERCIAL BOILER WITH VERTICAL TANK PIPINGWIRING - FIGURES 16 and 17 on pages 24 and USE THIS TABLE FOR CORRECT PUMP AND WATER PIPE SIZEWIRING - FIGURES 16 and 17 on pages 24 and COMMERCIAL BOILER WITH HORIZONTAL TANKUSE THIS TABLE FOR CORRECT PUMP AND WATER PIPE SIZE COMMERCIAL BOILER WITH VERTICAL TANK, CER-TEMP WIRING - FIGURES 21 to 27 on pages 28 toTWO HW-399s, HW-420s, HW-520s, HW-610s or HW-670s UP-FLOW MODEL USE THIS TABLE FOR CORRECT PUMP AND WATER PIPE SIZEUSE THIS TABLE FOR CORRECT PUMP AND WATER PIPE SIZE WIRING - FIGURES 21 to 27 on pages 28 toCOMMERCIAL BOILER WITH HORIZONTAL TANK ModelCOMMERCIAL BOILER WITH VERTICAL TANK, CER-TEMP WIRING - FIGURES 21 to 27 on pages 28 toTHREE HW-520s, HW-610s OR HW-670s UP-FLOW MODEL USE THIS TABLE FOR CORRECT PUMP AND WATER PIPE SIZEModel WIRING - FIGURES 21 to 27 on pages 28 toUSE THIS TABLE FOR CORRECT PUMP AND WATER PIPE SIZE Pipe SizeFILLING THE SYSTEM OPERATION AND START-UP INSTRUCTIONSPRECAUTIONS PILOT AND MAIN BURNERThe pilot will now ignite provided the system is calling for heat PILOT ADJUSTMENTCheck for gas leaks and proper boiler and vent operation OUTLETCHECKING AND ADJUSTING THE INPUT CONSUMPTION RATE Refer to Operating at Full Input or Full CapacityPOWER INTERRUPTION System shuts off, restarts when power is restored LIGHTING INSTRUCTIONS FOR YOUR SAFETY READ BEFORE LIGHTINGfire or explosion may result causing property damage, personal TO TURN OFF GAS TO APPLIANCESET T HE THERMOSTAT TO LOWWEST SETTING FOR YOUR SAFETY READ BEFORE OPERATINGT URN OFF ALL ELECTRICAL POWER T O APPLIANCE OPERATING INSTRUCTIONSREMOVAL OF EXISTING BOILER FROM A COMMON VENTING SYSTEM GENERAL MAINTENANCEMANUAL RESET HIGH LIMIT SWITCH CONTINUITY TEST RELIEF VALVEHOT WATER SUPPLY BOILERS PREVENTIVE MAINTENANCE CLEANING AND FLUSHING INSTRUCTIONSPRE-TROUBLESHOOTING INTERNAL CONTAMINANTSCheckout Sequence TROUBLESHOOTINGCER-TEMP 80 RECOVERY SYSTEM CHECKOUT PROCEDURE System OperationNO NO CHECKING HONEYWELL S-8600H OR S-8610M INTERMITTENT IGNITION CONTROLSNO SPARK AT PILOT BURNER Securely connect cableSPARK AT PILOT BURNER BUT PILOT WILL NOT LIGHT burner ignition problems?CHECKING HONEYWELL S8600H OR S-8610M INTERMITTENT IGNITION CONTROLS Is ceramic insulator surrounding the electrode in goodNO NO CHECKING HONEYWELL S-8600H OR S8610M INTERMITTENT IGNITION CONTROLSPILOT BURNER LIGHTS BUT MAIN BURNER DOES NOT LIGHT NO NOCHECKING HONEYWELL S8600H OR S-8610M INTERMITTENT IGNITION CONTROLS NO SPARK AT PILOT BURNER BUT PILOT WILL NOT LIGHTNO NO NO NO NO NO NO Location of LEDs Flame LED Yellow LED STATUS AND TROUBLESHOOTINGService Action Status LED GreenGreen LED Recommended Service ActionContinuous Retry Models C, M, E, and K Only - Green LED Status Codes Flash CodeGreen LED Recommended Service ActionLockout Models B, H, D and J Only - Green LED Status Codes Flash Code5. CLAIM PROCEDURE LIMITED WARRANTY3. SERVICE AND REPAIR EXPENSE 2. CONDITIONS AND EXCEPTIONS500 Tennessee Waltz Parkway, Ashland City, TN Technical Support 800-527-1953 Parts 800-433-2545 Fax