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Hubbell Electric Heater Company CR manual

Models: CR CR

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Hubbell CR manual

Contents

BASE MODEL “ CR ” OPERATING AND MAINTENANCE MANUAL FORINSTANTANEOUS ELECTRIC CIRCULATION HEATER ELECTRIC HEATER COMPANYSTRATFORD, CT PHONE 203 FAX HUBBELL ELECTRIC HEATER COMPANY P.O. BOXWARNING / CAUTION TABLE OF CONTENTS SECTIONTITLE PAGE #Page VESSEL CONNECTIONS GENERAL DESCRIPTIONCONSTRUCTION SECTION I - GENERAL DESCRIPTION AND CONSTRUCTIONFLOW SWITCH OUTER SHELL, INSULATION, AND SUPPORTSHEATING ELEMENT ELECTRICAL ENCLOSURECONTROL THERMOSTAT MAGNETIC CONTACTOR TEMPERATURE HIGH LIMIT SWITCHFUSED LOW VOLTAGE TRANSFORMER INDIVIDUALLY FUSED ELEMENTS LOW WATER CUT-OFFOPTIONS Stainless Steel JacketOn / Off Control Switch Audible AlarmBuilt-InCircuit Breaker Building Management System BMSSpecial Customized Features Dial Temperature and Pressure GaugeSilicon Control Rectifier HEATER PLACEMENT PIPING INSTALLATIONWARNING / CAUTION SECTION II - INSTALLATIONFILLING THE HEATER ELECTRICAL INSTALLATIONFINAL CHECKS SECTION III - SCHEDULED MAINTENANCE AND OPERATION MAINTENANCE AND OPERATIONFREEZING QUARTERLY INSPECTIONSECTION IV - TROUBLESHOOTING SymptomProbable Cause Corrective Action / RemedyWater temperature below Faulty thermostatCheck thermostat adjustment settings at all timesWARNING / CAUTION SECTION V - SERVICING & REPLACEMENT OF PARTSMAGNETIC CONTACTOR IMMERSION TEMPERATURE HIGH LIMIT CUT-OFF IMMERSION THERMOSTAT 1.Disconnect power from unit HEATING ELEMENTRELIEF VALVE SECTION VI - MISCELLANEOUS CHARTS AND FORMULAS NEMA ENCLOSURESELECTRICAL DATA FORMULAS TORQUE VALUES