Hubbell Electric Heater Company CR manual Electrical Data

Models: CR CR

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Contents

ELECTRIC HEATER COMPANY BASE MODEL “ CR ”OPERATING AND MAINTENANCE MANUAL FOR INSTANTANEOUS ELECTRIC CIRCULATION HEATERWARNING / CAUTION HUBBELL ELECTRIC HEATER COMPANY P.O. BOXSTRATFORD, CT PHONE 203 FAX PAGE # TABLE OF CONTENTSSECTION TITLEPage SECTION I - GENERAL DESCRIPTION AND CONSTRUCTION VESSEL CONNECTIONSGENERAL DESCRIPTION CONSTRUCTIONELECTRICAL ENCLOSURE FLOW SWITCHOUTER SHELL, INSULATION, AND SUPPORTS HEATING ELEMENTCONTROL THERMOSTAT FUSED LOW VOLTAGE TRANSFORMER TEMPERATURE HIGH LIMIT SWITCHMAGNETIC CONTACTOR Stainless Steel Jacket INDIVIDUALLY FUSED ELEMENTSLOW WATER CUT-OFF OPTIONSBuilding Management System BMS On / Off Control SwitchAudible Alarm Built-InCircuit BreakerSilicon Control Rectifier Dial Temperature and Pressure GaugeSpecial Customized Features SECTION II - INSTALLATION HEATER PLACEMENTPIPING INSTALLATION WARNING / CAUTIONFINAL CHECKS ELECTRICAL INSTALLATIONFILLING THE HEATER QUARTERLY INSPECTION SECTION III - SCHEDULED MAINTENANCE AND OPERATIONMAINTENANCE AND OPERATION FREEZINGCorrective Action / Remedy SECTION IV - TROUBLESHOOTINGSymptom Probable Causesettings at all times Water temperature belowFaulty thermostat Check thermostat adjustmentMAGNETIC CONTACTOR SECTION V - SERVICING & REPLACEMENT OF PARTSWARNING / CAUTION IMMERSION TEMPERATURE HIGH LIMIT CUT-OFF IMMERSION THERMOSTAT HEATING ELEMENT 1.Disconnect power from unitRELIEF VALVE NEMA ENCLOSURES SECTION VI - MISCELLANEOUS CHARTS AND FORMULASELECTRICAL DATA FORMULAS TORQUE VALUES