Hubbell Electric Heater Company EMV manual Base Model “ Emv ”, Operating And Maintenance Manual

Models: EMV

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WATER HEATING SYSTEM

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Contents

OPERATING AND MAINTENANCE MANUAL BASE MODEL “ EMV ”FOR PACKAGED ELECTRIC TEPID WATER HEATING SYSTEM ELECTRIC HEATER COMPANYSTRATFORD, CT PHONE 203 FAX HUBBELL ELECTRIC HEATER COMPANY P.O. BOXWARNING / CAUTION SECTION TABLE OF CONTENTSTITLE PAGE #Page GENERAL DESCRIPTION SECTION I - GENERAL DESCRIPTION AND CONSTRUCTIONCONSTRUCTION TANKMIXING VALVE TEMPERATURE HIGH LIMIT SWITCHAUTOMATIC AIR VENT VALVE DUAL TEMPERRATURE AND PRESSURE GAUGESECTION II - INSTALLATION WARNING / CAUTIONLow Temperature Alarm Dry Contacts High Temperature Alarm Dry ContactsPIPING INSTALLATION ELECTRICAL INSTALLATION SECTION III - SCHEDULED MAINTENANCE AND OPERATIONMAINTENANCE AND OPERATION WARNING / CAUTIONANNUAL INSPECTION QUARTERLY INSPECTIONHEATER SERIAL NUMBER MIXING VALVE INSPECTION AND TEST LOG COMPANYOUTPUT TEMPERATURE DATESymptom 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 SINGLE PHASE HEATING ELEMENT 3-PHASEHEATING ELEMENT 3-PHASEELEMENT JUMPER CONFIGURATION IMMERSION THERMOSTAT 1.Disconnect power from unit MAGNETIC CONTACTOR 3-PHASEONLY2.Disconnect line and load wires to contactor 3.Disconnect two 2 14 gauge control circuit wiresRELIEF VALVE RE-CALIBRATEMIXING VALVE MIXING VALVESINGLE PHASE ELEMENT CHART SECTION VI - ELEMENT CHARTS3-PHASEELEMENT CHART 3500