Hubbell Electric Heater Company HE, HSE manual Heating Element

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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.

7. Remove the 3/8-16 nuts.	Tank Flange
Element Terminals

Nuts

8. Withdraw element assembly and remove gasket. Gasket

Element Assembly

9.Install new gasket and insert new heating element.

10.For 3-phase heaters, rewire the element according to the voltage and phase rating of the unit as shown below. For single phase operations, connect wires to terminals.

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

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Contents Electric Heater Company STRATFORD, CT Hubbell Electric Heater CompanyTable of Contents Section Title Page Control Thermostat Section I General Description and ConstructionTank Tank ConnectionsHeating Element Temperature High Limit SwitchOuter Shell and Insulation Magnetic Contactor HSE Models OnlyWater Heater Placement Section II InstallationPiping Installation Electrical Installation Filling the HeaterFinal Checks Quarterly Inspection Section III Scheduled Maintenance and OperationMaintenance and Operation FreezingAnnual Inspection Symptom Probable Cause Corrective Action / Remedy Section IV TroubleshootingSurface Temperature High Limit CUT-OFF Section V Servicing & Replacement of PartsHeating Element Page Immersion Thermostat Magnetic Contactor Relief Valve Delta WYE Single Phase Element Chart Torque Values