Hubbell Electric Heater Company ME manual Annual Inspection

Page 13

ANNUAL INSPECTION

1.Flush tank as follows

a.Shut off power supply.

b.Close valve on hot water outlet piping.

c.Open valve on drain piping.

d.Cold water inlet line pressure will be strong enough to flush sediment from the bottom of the tank out through the drain. Let water run for 3-4 minutes.

e.Close drain valve.

f.Open hot water valve.

g.Turn power supply ON.

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Contents Electric Heater Company STRATFORD, CT Hubbell Electric Heater CompanyTable of Contents Section Title Page Tank Section I General Description and ConstructionTank Connections Heating ElementControl Thermostat Temperature High Limit SwitchOuter Shell and Insulation Low Water Cut-Off OptionsSecuring of Heater Water Heater PlacementMounting Dimensions Filling the Heater Piping InstallationFinal Checks Electrical InstallationMaintenance and Operation Section III Scheduled Maintenance and OperationFreezing Quarterly InspectionAnnual Inspection Symptom Probable Cause Corrective Action / Remedy Section IV TroubleshootingSurface Temperature High Limit CUT-OFF Section V Servicing & Replacement of PartsImmersion 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 Section VII ABS Type Approval Program Page Page