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Hubbell Electric Heater Company manual Base Model “ D ”, Operating And Maintenance Manual For

Models: D

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OPERATING AND MAINTENANCE MANUAL FOR

ELECTRIC STAINLESS STEEL HEATER

FOR DEIONIZED (DI) WATER

ELECTRIC HEATER COMPANY

BASE MODEL “ D ”

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Hubbell Electric Heater Company manual Base Model “ D ”, Operating And Maintenance Manual For, For Deionized Di Water

Contents

OPERATING AND MAINTENANCE MANUAL FOR BASE MODEL “ D ”ELECTRIC STAINLESS STEEL HEATER FOR DEIONIZED DI WATERSTRATFORD, CT PHONE 203 FAX HUBBELL ELECTRIC HEATER COMPANY P.O. BOXWARNING / CAUTION SECTION TABLE OF CONTENTSTITLE PAGE #Page CONSTRUCTION GENERAL DESCRIPTIONSECTION I - GENERAL DESCRIPTION AND CONSTRUCTION TANKCONTROL THERMOSTAT TEMPERATURE HIGH LIMIT SWITCHMAGNETIC CONTACTOR OUTER SHELL AND INSULATION Optional ConnectionsOPTIONS Low Water Cut-OffDigital Display Individually Fused ElementsStainless Steel Pressure-OnlyRelief Valve PIPING INSTALLATION WATER HEATER PLACEMENTWARNING / CAUTION SECTION II - INSTALLATIONFILLING THE HEATER ELECTRICAL INSTALLATIONFINAL CHECKS MAINTENANCE AND OPERATION SECTION III - SCHEDULED MAINTENANCE AND OPERATIONFREEZING QUARTERLY INSPECTION1.Flush tank as follows a.Shut off power supply ANNUAL INSPECTIONg.Turn power supply ON b.Close valve on hot water outlet pipingSymptom SECTION IV - TROUBLESHOOTINGProbable Cause Corrective Action / RemedyFaulty thermostat Water temperature belowCheck thermostat adjustment settings at all timesSURFACE TEMPERATURE HIGH LIMIT CUT-OFF SECTION V - SERVICING & REPLACEMENT OF PARTSWARNING / CAUTION IMMERSION TEMPERATURE HIGH LIMIT CUT-OFF HEATING ELEMENT 1.Disconnect power from unitPage IMMERSION THERMOSTAT 2.Disconnect line and load wires to contactor 1.Disconnect power from unit3.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