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Hubbell Electric Heater Company SE manual

Models: SE

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Hubbell Electric Heater Company SE manual

Contents

BASE MODEL “ SE ” OPERATING AND MAINTENANCE MANUAL FORCOMMERCIAL ELECTRIC WATER HEATER ELECTRIC HEATER COMPANYSTRATFORD, CT PHONE: 203 FAX: 203 HUBBELL ELECTRIC HEATER COMPANY P.O. BOXWARNING / CAUTION TABLE OF CONTENTS SECTIONTITLE PAGE #Page GENERAL DESCRIPTION CONSTRUCTIONSECTION I - GENERAL DESCRIPTION AND CONSTRUCTION TANK Standard Tank ConstructionTEMPERATURE HIGH LIMIT SWITCH CONTROL THERMOSTATMAGNETIC CONTACTOR OUTER SHELL AND INSULATIONOPTIONS Low Water Cut-OffDial Temperature and Pressure Gauge Fused Low Voltage TransformerVacuum Relief Valve On/Off Switch Electro-MechanicalTimerIndividually Fused Elements Built-inCircuit BreakerWATER HEATER PLACEMENT PIPING INSTALLATIONWARNING / CAUTION SECTION II – INSTALLATIONFILLING THE HEATER ELECTRICAL INSTALLATIONFINAL CHECKS SECTION III - SCHEDULED MAINTENANCE AND OPERATION MAINTENANCE AND OPERATIONFREEZING QUARTERLY INSPECTIONANNUAL INSPECTION 1.Flush tank as follows a.Shut off power supplyg.Turn power supply ON 13 b.Close valve on hot water outlet pipingSECTION IV – TROUBLESHOOTING SymptomProbable Cause Corrective Action / RemedyFaulty thermostat Check thermostat adjustmentsettings at all times block, if installedSURFACE 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 SURFACE MOUNTED THERMOSTAT 1.Disconnect power from unit2.Remove access cover and locate thermostat 3.Disconnect the two 2 14 gauge wiresIMMERSION THERMOSTAT 1.Disconnect power from unit 2.Disconnect line and load wires to contactor3.Disconnect two 2 14 gauge control circuit wires Control Wires Line Wires Load WiresRELIEF VALVE ELEMENT CHART SECTION VI – MISCELLANEOUS CHARTS AND FORMULASFORMULAS TORQUE VALUES