Bradford-White Corp THROUGH-THE-WALL GAS WATER HEATER instruction manual Maintenance

Page 37

WARNING

Water heaters are heat producing appliances. To avoid damage or injury there must be no materials stored against the water heater or vent-air intake system, and proper care must be taken to avoid unnecessary contact (especially by children) with the water heater and vent-air intake system.

UNDER NO CIRCUMSTANCES MUST FLAMMABLE MATERIALS, SUCH AS GASOLINE OR PAINT THINNER BE USED OR STORED IN THE VICINITY OF THIS WATER HEATER, VENT-AIR INTAKE SYSTEM OR IN ANY LOCATION FROM WHICH FUMES COULD REACH THE WATER HEATER OR VENT-AIR INTAKE SYSTEM.

IMPORTANT

The water heater should be inspected at a minimum annually by a qualified service technician for damaged components and/or joints not sealed. DO NOT operate this water heater if any part is found damaged or if any joint is found not sealed.

The following maintenance should be performed by a qualified service technician at the minimum periodic intervals suggested below. In some installations, the maintenance interval may be more frequent depending on the amount of use and the operating conditions of the water heater. Regular inspection and maintenance of the water heater and vent-air intake system will help to insure safe and reliable operation.

1.Annually check the operation of the thermostat.

2.The flow of combustion and ventilation air MUST NOT be restricted. Clear the combustion air openings of any dirt, dust, or other restrictions. WARNING! The ventilation air system may be HOT.

3. At all times keep the water heater area clear and free from combustible materials, gasoline and other flammable vapors and liquids.

4.Bi-annually conduct a visual check of the main and pilot burner flames to determine that they are burning properly. See Burner Flame Check section on page 36. If sooting or other burner anomalies are evident, shut down the water heater by turning off the gas per the instructions listed in this manual or as listed on the water heater.

Maintenance continued-

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Contents TTW Installation and Operating Congratulations Table of Contents General Information Locating The Water Heater InstallationIf YOU Smell GAS Installation Locating The Water Heater Minimum Clearances Venting Exceptions For Installations in CanadaVenting System Condensation Model Service PartVenting Part Vent Connector Lengths Length Terminal Through the Roof Venting Vertical Venting Through the Wall VentingThrough the Wall Venting with LOW Ground Clearance Venting Part LOW Ground Clearance Installations Vent Connector Lengths for 3 7.6 cm Diameter PVC Terminating # of 90 Elbows Maximum Minimum Through the Wall Venting Through the Roof Venting Vertical Venting Through the Wall Venting with LOW Ground Clearance Ground Clearance Installations Cm Vent Connector Lengths from Inside Wall for LOWHigh Altitude Vent Connector Modifications Do not Operate Appliance Until Leakage is Corrected Combustion Air SupplyUnconfined Spaces Confined SpacesWater Connections Specially Engineered InstallationsCertain IT is Filled with Water Page Installation Water Connections Gas Connections Match or Open Flame for TestingElectrical Connections Electrical Connections Figure Electrical Connections Figure General Operation Lighting and shutdown instructions Burner Flame Check Thermostat AdjustmentMaintenance Maintenance Page Time That Parts and the Water Heater are Warranted Parts List Drawing Part Name and Description Page Vent Pipe Preparation and Joining