Hubbell Electric Heater Company MSE manual Immersion Temperature High Limit CUT-OFF

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IMMERSION TEMPERATURE HIGH LIMIT CUT-OFF

1.Disconnect power from unit.

2.Remove access cover.

3.Remove high limit cover screw and cover.

Cover

Cover Screw

Reset Switch

4. Disconnect the two (2) 14 gauge wires.

Wires

Capillary Tube

5. Remove capillary tube and bulb from thermowell

6. Remove two (2) mounting screws.

Mounting Screws

7.Remove control and install new high limit switch by performing above

steps in reverse order. (Note: Be sure to place capillary tube into slot in base prior to installing cover.)

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Contents Electric Heater Company BOX Hubbell Electric Heater CompanySTRATFORD, CT Table of Contents Section Title Page Heating Element Section I General Description and ConstructionTank Tank ConnectionsControl Thermostat Temperature High Limit SwitchLow Water Cut-Off Magnetic ContactorOuter Shell and Insulation OptionsFused Low Voltage Transformer Dial Temperature and Pressure GaugeVacuum Relief Valve Built-in Circuit Breaker On/Off SwitchElectro-Mechanical Timer Individually Fused ElementsSecuring of Heater Water Heater PlacementMounting Dimensions Filling the Heater Piping InstallationFinal Checks Electrical InstallationQuarterly Inspection Section III Scheduled Maintenance and OperationMaintenance and Operation FreezingAnnual Inspection Symptom Probable Cause Corrective Action / Remedy Section IV TroubleshootingPage Surface Temperature High Limit CUT-OFF Section V Servicing & Replacement of PartsImmersion Temperature High Limit CUT-OFF Heating Element Page Surface Mounted Thermostat Immersion Thermostat Magnetic Contactor Relief Valve Formulas Section VI Miscellaneous Charts and Formulas Element ChartTorque Values Section VII ABS Type Approval Program Page Page