Hubbell Electric Heater Company
manual
Electric Heater Company
Troubleshooting
Install
Maintenance
Temperature High Limit Switch
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OPERATING AND MAINTENANCE MANUAL FOR
COMMERCIAL ELECTRIC WATER HEATER
ELECTRIC HEATER COMPANY
BASE MODEL “ E ”
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Contents
Electric Heater Company
STRATFORD, CT
Hubbell Electric Heater Company
Table of Contents Section Title
Page
Tank
Section I General Description and Construction
Tank Connections
Heating Element
Control Thermostat
Temperature High Limit Switch
Options
Outer Shell and Insulation
Piping Installation
Water Heater Placement
Filling the Heater
Electrical Installation
Final Checks
Maintenance and Operation
Section III Scheduled Maintenance and Operation
Freezing
Quarterly Inspection
Annual Inspection
Symptom Probable Cause Corrective Action / Remedy
Section IV Troubleshooting
Surface Temperature High Limit CUT-OFF
Section V Servicing & Replacement of Parts
Immersion 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
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