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Hubbell Electric Heater Company SE manual Magnetic Contactor, Disconnect power from unit

Models: SE

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2.Disconnect line and load wires to contactor.

MAGNETIC CONTACTOR

1.Disconnect power from unit.

2.Disconnect line and load wires to contactor.

3.Disconnect two (2) 14 gauge control circuit wires.

Control Wires

Line Wires

Load Wires

4. Loosen two (2) holding screws and remove contactor.

Mounting Screws

(Bottom screw not shown)

5.Replace with new contactor using reverse procedure.

Page 22

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Hubbell Electric Heater Company SE Magnetic Contactor, Disconnect power from unit, Control Wires Line Wires Load Wires

Contents

COMMERCIAL ELECTRIC WATER HEATER BASE MODEL “ SE ”OPERATING AND MAINTENANCE MANUAL FOR ELECTRIC HEATER COMPANYSTRATFORD, CT PHONE: 203 FAX: 203 HUBBELL ELECTRIC HEATER COMPANY P.O. BOXWARNING / CAUTION TITLE TABLE OF CONTENTSSECTION PAGE #Page SECTION I - GENERAL DESCRIPTION AND CONSTRUCTION GENERAL DESCRIPTIONCONSTRUCTION TANK Standard Tank ConstructionTEMPERATURE HIGH LIMIT SWITCH CONTROL THERMOSTATOPTIONS MAGNETIC CONTACTOROUTER SHELL AND INSULATION Low Water Cut-OffFused Low Voltage Transformer Dial Temperature and Pressure GaugeVacuum Relief Valve Individually Fused Elements On/Off SwitchElectro-MechanicalTimer Built-inCircuit BreakerWARNING / CAUTION WATER HEATER PLACEMENTPIPING INSTALLATION SECTION II – INSTALLATIONFILLING THE HEATER ELECTRICAL INSTALLATIONFINAL CHECKS FREEZING SECTION III - SCHEDULED MAINTENANCE AND OPERATIONMAINTENANCE AND OPERATION QUARTERLY INSPECTIONg.Turn power supply ON 13 ANNUAL INSPECTION1.Flush tank as follows a.Shut off power supply b.Close valve on hot water outlet pipingProbable Cause SECTION IV – TROUBLESHOOTINGSymptom Corrective Action / RemedyCheck thermostat adjustment Water temperature belowFaulty thermostat settings at all timesSURFACE TEMPERATURE HIGH LIMIT CUT-OFF SECTION V - SERVICING & REPLACEMENT OF PARTSWARNING / CAUTION IMMERSION TEMPERATURE HIGH LIMIT CUT-OFF 1.Disconnect power from unit HEATING ELEMENTPage 2.Remove access cover and locate thermostat SURFACE MOUNTED THERMOSTAT1.Disconnect power from unit 3.Disconnect the two 2 14 gauge wiresIMMERSION THERMOSTAT 3.Disconnect two 2 14 gauge control circuit wires 1.Disconnect power from unit2.Disconnect line and load wires to contactor Control Wires Line Wires Load WiresRELIEF VALVE ELEMENT CHART SECTION VI – MISCELLANEOUS CHARTS AND FORMULASFORMULAS TORQUE VALUES