Hubbell Electric Heater Company HSE, HE manual Section V Servicing & Replacement of Parts

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SECTION V - SERVICING & REPLACEMENT OF PARTS

WARNING / CAUTION

Before servicing or replacing any part make sure to turn the power supply switch to the OFF position.

SURFACE TEMPERATURE HIGH LIMIT CUT-OFF

1.Disconnect power from unit.

2.Remove access cover.

3.Disconnect the four (4) 14 gauge wires.

Control Wires

4. Remove the two (2) mounting screws.

Mounting Screws

5. Replace control and install new high limit switch by performing above steps in reverse order.

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Contents Electric Heater Company Hubbell Electric Heater Company STRATFORD, CTTable of Contents Section Title Page Tank Connections Section I General Description and ConstructionTank Control ThermostatTemperature High Limit Switch Heating ElementMagnetic Contactor HSE Models Only Outer Shell and InsulationSection II Installation Water Heater PlacementPiping Installation Final Checks Electrical InstallationFilling the Heater Freezing Section III Scheduled Maintenance and OperationMaintenance and Operation Quarterly InspectionAnnual Inspection Section IV Troubleshooting Symptom Probable Cause Corrective Action / RemedySection V Servicing & Replacement of Parts Surface Temperature High Limit CUT-OFFHeating Element Page Immersion Thermostat Magnetic Contactor Relief Valve Delta WYE Single Phase Element Chart Torque Values