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

Models: E

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OPERATING AND MAINTENANCE MANUAL FOR BASE MODEL “ E ”COMMERCIAL ELECTRIC WATER HEATER ELECTRIC HEATER COMPANYSTRATFORD, 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 TANK Standard Tank ConstructionCONTROL THERMOSTAT TEMPERATURE HIGH LIMIT SWITCHOUTER SHELL AND INSULATION Electro-MechanicalTimerOPTIONS Low Water Cut-OffPIPING 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 / RemedySURFACE TEMPERATURE HIGH LIMIT CUT-OFF SECTION V - SERVICING & REPLACEMENT OF PARTSWARNING / CAUTION IMMERSION TEMPERATURE HIGH LIMIT CUT-OFF HEATING ELEMENT 1.Disconnect power from unitL1 L2 1 2 4 Non-Interlockedfor Simultaneous Operation Interlocked for Non-SimultaneousOperation1.Disconnect power from unit SURFACE MOUNTED THERMOSTAT2.Remove access cover and locate thermostat Control WiresIMMERSION THERMOSTAT RELIEF VALVE ELEMENT CHART SECTION VI - MISCELLANEOUS CHARTS AND FORMULAS3500 4000FORMULAS TORQUE VALUES