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Hubbell Electric Heater Company B manual

Models: B

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Hubbell Electric Heater Company B manual

Contents

ELECTRIC BOOSTER HEATER BASE MODEL “ B ”OPERATING AND MAINTENANCE MANUAL FOR ELECTRIC HEATER COMPANYWARNING / CAUTION HUBBELL ELECTRIC HEATER COMPANY P.O. BOXSTRATFORD, CT PHONE 203 FAX TITLE TABLE OF CONTENTSSECTION PAGE #Page SECTION I - GENERAL DESCRIPTION AND CONSTRUCTION GENERAL DESCRIPTIONCONSTRUCTION TANKMAGNETIC CONTACTOR TEMPERATURE HIGH LIMIT SWITCHCONTROL THERMOSTAT OUTER SHELL , INSULATION, AND SUPPORTSLow Water Cut-Off Dial Temperature and Pressure GaugeOPTIONS Fused Low Voltage TransformerSuspension Straps Pressure Reducing ValveStainless Steel Outer Jacket WARNING / CAUTION WATER HEATER PLACEMENTPIPING INSTALLATION SECTION II - INSTALLATIONELECTRICAL INSTALLATION FILLING THE HEATERFINAL CHECKS 4 - Low Water Cut-Off,if supplied 1 - Terminal Block 2 - Magnetic Contactor3 - Heating Element 7 - Control Thermostat3 - Heating Element 6 – High-TemperatureLimit Switch1 - Terminal Block 2 - Magnetic Contactor 4 - Low Water Cut-Off,if suppliedPage FREEZING SECTION III - SCHEDULED MAINTENANCE AND OPERATIONMAINTENANCE AND OPERATION QUARTERLY INSPECTIONg.Turn power supply ON 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 timesWARNING / CAUTION SECTION V - SERVICING & REPLACEMENT OF PARTSSURFACE TEMPERATURE HIGH LIMIT CUT-OFF 1.Disconnect power from unit HEATING ELEMENTIMMERSION 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 FORMULAS SECTION VI - MISCELLANEOUS CHARTS AND FORMULASELEMENT CHART TORQUE VALUES