Hubbell Electric Heater Company HSE, HE manual Annual Inspection

Page 12

4.Inspect ceiling supports for tightness and/or damage.

5.Check for loose electrical connections. Tighten as necessary.

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.

12

Image 12
Contents Electric Heater Company Hubbell Electric Heater Company STRATFORD, CTTable of Contents Section Title Page Section I General Description and Construction TankTank Connections Control ThermostatTemperature High Limit Switch Heating ElementMagnetic Contactor HSE Models Only Outer Shell and InsulationSection II Installation Water Heater PlacementPiping Installation Electrical Installation Filling the HeaterFinal 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-OFFHeating Element Page Immersion Thermostat Magnetic Contactor Relief Valve Delta WYE Single Phase Element Chart Torque Values