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Hubbell Electric Heater Company D manual

Models: D

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Hubbell Electric Heater Company D manual

Contents

BASE MODEL “ D ” OPERATING AND MAINTENANCE MANUAL FORELECTRIC STAINLESS STEEL HEATER FOR DEIONIZED DI WATERSTRATFORD, CT PHONE 203 FAX HUBBELL ELECTRIC HEATER COMPANY P.O. BOXWARNING / CAUTION TABLE OF CONTENTS SECTIONTITLE PAGE #Page GENERAL DESCRIPTION CONSTRUCTIONSECTION I - GENERAL DESCRIPTION AND CONSTRUCTION TANKCONTROL THERMOSTAT TEMPERATURE HIGH LIMIT SWITCHMAGNETIC CONTACTOR Optional Connections OUTER SHELL AND INSULATIONOPTIONS Low Water Cut-OffDigital Display Individually Fused ElementsStainless Steel Pressure-OnlyRelief Valve WATER HEATER PLACEMENT PIPING INSTALLATIONWARNING / CAUTION SECTION II - INSTALLATIONELECTRICAL INSTALLATION FILLING THE HEATERFINAL 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 b.Close valve on hot water outlet pipingSECTION IV - TROUBLESHOOTING SymptomProbable Cause Corrective Action / RemedyWater temperature below Faulty thermostatCheck thermostat adjustment 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 IMMERSION 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