Hubbell Electric Heater Company MSE 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.Rewire element according to the voltage and phase rating of the unit as shown below.

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

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Contents Electric Heater Company STRATFORD, CT Hubbell Electric Heater CompanyBOX Table of Contents Section Title Page Section I General Description and Construction TankTank Connections Heating ElementTemperature High Limit Switch Control ThermostatMagnetic Contactor Outer Shell and InsulationOptions Low Water Cut-OffVacuum Relief Valve Dial Temperature and Pressure GaugeFused Low Voltage Transformer On/Off Switch Electro-Mechanical TimerIndividually Fused Elements Built-in Circuit BreakerWater Heater Placement Securing of HeaterMounting Dimensions Piping Installation Filling the HeaterElectrical Installation Final ChecksSection III Scheduled Maintenance and Operation Maintenance and OperationFreezing Quarterly InspectionAnnual Inspection Section IV Troubleshooting Symptom Probable Cause Corrective Action / RemedyPage Section V Servicing & Replacement of Parts Surface Temperature High Limit CUT-OFFImmersion Temperature High Limit CUT-OFF Heating Element Page Surface Mounted Thermostat Immersion Thermostat Magnetic Contactor Relief Valve Section VI Miscellaneous Charts and Formulas Element Chart FormulasTorque Values Section VII ABS Type Approval Program Page Page