A.O. Smith HW 610 warranty Safe INSTALLATION, USE and Service, Important Definitions

Page 2

SAFE INSTALLATION, USE AND SERVICE

The proper installation, use and servicing of this water heater is extremely important to your safety and the safety of others.

Many safety-related messages and instructions have been provided in this manual and on your own water heater to warn you and others of a potential injury hazard. Read and obey all safety messages and instructions throughout this manual. It is very important that the meaning of each safety message is understood by you and others who install, use, or service this water heater.

This is the safety alert symbol. It is used to alert you to potential personal injury hazards. Obey all safety messages that follow this symbol to avoid possible injury or death.

 

 

 

DANGER indicates an imminently

 

DANGER

 

 

 

hazardous situation which, if not avoided,

 

 

 

will result in injury or death.

 

 

 

 

 

 

 

WARNING indicates a potentially hazardous

 

WARNING

 

 

 

situation which, if not avoided, could result

 

 

 

in injury or death.

 

 

 

 

 

 

 

 

 

 

CAUTION indicates a potentially hazardous

 

CAUTION

 

 

 

situation which, if not avoided, could result in

 

 

 

minor or moderate injury.

 

 

 

 

 

 

 

 

 

 

CAUTION used without the safety alert

 

 

 

 

CAUTION

 

symbol indicates a potentially hazardous

 

 

situation which, if not avoided, could result in

 

 

 

property damage.

 

 

 

 

 

 

 

All safety messages will generally tell you about the type of hazard, what can happen if you do not follow the safety message, and how to avoid the risk of injury.

The California Safe Drinking Water and Toxic Enforcement Act requires the Governor of California to publish a list of substances known to the State of California to cause cancer, birth defects, or other reproductive harm, and requires businesses to warn of potential exposure to such substances.

This product contains a chemical known to the State of California to cause cancer, birth defects, or other reproductive harm. This appliance can cause low level exposure to some of the substances listed in the Act.

IMPORTANT DEFINITIONS

•Qualified Installer: A qualified installer must have ability equivalent to a licensed tradesman in the fields of plumbing, air supply, venting and gas supply, including a thorough understanding of the requirements of the National Fuel Gas Code or the Natural Gas and Propane Installation Code as it relates to the installation of gas fired boilers. The qualified installer must have a thorough understanding of this instruction manual.

•Service Agency: A service agency also must have ability equivalent to a licensed tradesman in the fields of plumbing, air supply, venting and gas supply, including a thorough understanding of the requirements of the National Fuel Gas Code as it relates to the installation of gas fired boilers. The service agency must also have a thorough understanding of this instruction manual, and be able to perform repairs strictly in accordance with the service guidelines provided by the manufacturer.

•Gas Supplier: The Natural Gas or Propane Utility or service who supplies gas for utilization by the gas burning appliances within this application. The gas supplier typically has responsibility for the inspection and code approval of gas piping up to and including the Natural Gas meter or Propane storage tank of a building. Many gas suppliers also offer service and inspection of appliances within the building.

2

Page 1 Page 3
Image 2
Page 1 Page 3
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 Thermal Balancer Manual Reset High LimitHigh Limit Switch Safety Flow Switch GPM LPMSafety Relief Valves Tank Temperature Control Drain Valve Not Supplied GeneralThermometers Required AbilityAIR Requirements Confined Space S. InstallationsCanadian Installations Unconfined SpaceVenting Installation ClearancesTypical Boiler Installation LevelingDraft Hood Vent Pipe InstallationConnecting Boiler to a Common Vent Vent ConnectionVenting System Venting Sidewall Optional Power Vent SystemMultiple Vent Table Combined Vent Sizing Tables Model HW-300 BoilerLINEAR-TEMP Installations System InstallationsConventional Installations ONE Boiler Installed Independent of the Primary SystemBoiler Inlet Outlet Sizes NO. Suggested Items for InstallationSchematic of the LINEAR-TEMPSYSTEM Minimum Branch Sizes to BoilersGAS Connections Purging and Sizing Correct GASGAS Pressure Regulators ExampleSpecific Multiplier Gravity Model Rated Manifold Pressure Number Input Natural PropaneWiring Wiring ConnectionsSingle Stage I.I.D. Honeywell GAS Valve HW 300 toD. System 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 Commercial Boiler with Vertical Tank Wiring Figures 16 and 17 on Pages 24Piping 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 Pilot and Main Burner Operation and START-UP InstructionsFilling the System 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 HOT Water Supply Boilers Preventive Maintenance Cleaning and Flushing InstructionsPRE-TROUBLESHOOTING Internal ContaminantsTroubleshooting CER-TEMP 80 Recovery System Checkout ProcedureYES Condition not cracked or broken? Burner ignition problems?Is ceramic insulator surrounding the electrode in good Is there excessive draft conditions that may cause pilotMV & MV/PV? Replace pilot burner assembly Status LED Green LED Status and TroubleshootingLocation of LEDs Flame LED Yellow OFFNo Call for Heat Not applicable None OFF Limited Warranty Conditions and Exceptions
Top Page Image Contents