Hubbell Electric Heater Company MSE manual Annual Inspection

Page 15

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 Hubbell Electric Heater Company BOXSTRATFORD, CT Table of Contents Section Title Page Heating Element Section I General Description and ConstructionTank Tank ConnectionsControl Thermostat Temperature High Limit SwitchLow Water Cut-Off Magnetic ContactorOuter Shell and Insulation OptionsDial Temperature and Pressure Gauge Fused Low Voltage TransformerVacuum Relief Valve Built-in Circuit Breaker On/Off SwitchElectro-Mechanical Timer Individually Fused ElementsSecuring of Heater Water Heater PlacementMounting Dimensions Filling the Heater Piping InstallationFinal Checks Electrical InstallationQuarterly Inspection Section III Scheduled Maintenance and OperationMaintenance and Operation FreezingAnnual Inspection Symptom Probable Cause Corrective Action / Remedy Section IV TroubleshootingPage Surface Temperature High Limit CUT-OFF Section V Servicing & Replacement of PartsImmersion Temperature High Limit CUT-OFF Heating Element Page Surface Mounted Thermostat Immersion Thermostat Magnetic Contactor Relief Valve Formulas Section VI Miscellaneous Charts and Formulas Element ChartTorque Values Section VII ABS Type Approval Program Page Page