Hubbell Electric Heater Company E manual

Page 16

L1 L2

1 3

2

4

1

2

L1

L2

L3

13

14

1 3

2

Single Element Operation

1

2

4

3 Ø Open Delta Wiring for Simultaneous Operation

16

Image 16

Contents Electric Heater Company Hubbell Electric Heater Company STRATFORD, CTTable of Contents Section Title Page Section I General Description and Construction TankTank Connections Heating ElementTemperature High Limit Switch Control ThermostatOuter Shell and Insulation OptionsWater Heater Placement Piping InstallationFilling the Heater Electrical InstallationFinal Checks Section III Scheduled Maintenance and Operation Maintenance and OperationFreezing 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