Hubbell Electric Heater Company E manual Control Thermostat, Temperature High Limit Switch

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CONTROL THERMOSTAT

The water heater is supplied as standard with a surface mounted thermostatic switch that is installed and wired at the factory. As an option an immersion thermostat is available. See drawing for specific details. The surface mounted thermostat can be adjusted through a range of 110° - 170° F. The immersion thermostat can be adjusted through a range of 100° - 190° F. Both thermostats are adjustable with a flat tip screwdriver.

Surface Mounted Thermostat

(Standard)

Immersion Thermostat

(Optional)

TEMPERATURE HIGH LIMIT SWITCH

As a safety device, a surface mounted high temperature cut-off switch with manual reset, factory set at 190° F, is supplied. As an optional, an immersion high temperature cut-off switch with manual reset, factory set at 180° F, may be provided. In the event of an over-temperature condition, the thermostat will disengage the power from the system. The high limit must be manually reset thereafter to restart the heater.

Manual Reset

Immersion High Temperature Cut-Off Switch

(Optional)

Surface Mounted High

Temperature Cut-Off Switch

(Standard)

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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 Heating ElementTemperature High Limit Switch Control ThermostatOuter Shell and Insulation OptionsWater Heater Placement Piping InstallationElectrical Installation Filling the HeaterFinal Checks 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-OFFImmersion 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