Hubbell Electric Heater Company ME manual Heating Element

Page 17

HEATING ELEMENT

1.Disconnect power from unit.

2.Shut off incoming water supply.

3.Attach hose to drain connection.

4.Lift manual release lever on relief valve to let air into system or break union on outgoing water line.

5.Drain water from tank.

6.Disconnect the wires from the heating element terminals.

Tank Flange

Wires

7. Remove the 3/8-16 nuts.

8. Withdraw element assembly and remove gasket.

Gasket

Element Assembly

Nuts

9.Install new gasket and insert new heating element.

10.Rewire element according to type of unit as shown below.

11.Fill tank and check around gasket for any leaks.

17

Image 17

Contents Electric Heater Company STRATFORD, CT Hubbell Electric Heater CompanyTable of Contents Section Title Page Tank Section I General Description and ConstructionTank Connections Heating ElementOuter Shell and Insulation Temperature High Limit SwitchControl Thermostat Low Water Cut-Off OptionsSecuring of Heater Water Heater PlacementMounting Dimensions Filling the Heater Piping InstallationFinal Checks Electrical InstallationMaintenance and Operation Section III Scheduled Maintenance and OperationFreezing Quarterly InspectionAnnual Inspection Symptom Probable Cause Corrective Action / Remedy Section IV TroubleshootingSurface Temperature High Limit CUT-OFF Section V Servicing & Replacement of PartsImmersion Temperature High Limit CUT-OFF Heating Element Page Page Surface Mounted Thermostat Immersion Thermostat Relief Valve Section VI Miscellaneous Charts and Formulas Element Chart Formulas Torque Values Section VII ABS Type Approval Program Page Page