Hubbell Electric Heater Company E manual Annual Inspection

Page 11

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 Heating Element Section I General Description and ConstructionTank Tank ConnectionsControl Thermostat Temperature High Limit SwitchOptions Outer Shell and InsulationPiping Installation Water Heater PlacementFinal Checks Electrical InstallationFilling the Heater Quarterly Inspection Section III Scheduled Maintenance and OperationMaintenance and Operation FreezingAnnual 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