Manuals / Hubbell Electric Heater Company / Household Appliance / Water Heater

Hubbell Electric Heater Company V10, V20 manual Table Of Contents, Section, Title, Page #

Models: V20 V10

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	TABLE OF CONTENTS
SECTION	TITLE	PAGE #
I	GENERAL DESCRIPTION AND CONSTRUCTION	5
II	INSTALLATION	10
III	SCHEDULED MAINTENANCE AND OPERATION	16
IV	TROUBLESHOOTING	18
V	SERVICING & REPLACEMENT OF PARTS	20
VI	MISCELLANEOUS CHARTS AND FORMULAS	26

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Contents

ELECTRIC HEATER COMPANY BASE MODEL “ V10 and V20 ”OPERATING AND MAINTENANCE MANUAL FOR ELECTRIC INDUSTRIAL PROCESS WATER HEATERHUBBELL ELECTRIC HEATER COMPANY P.O. BOX STRATFORD, CT PHONE 203 FAXWARNING / CAUTION PAGE # TABLE OF CONTENTSSECTION TITLEPage SECTION I - GENERAL DESCRIPTION AND CONSTRUCTION TANK CONNECTIONSGENERAL DESCRIPTION CONSTRUCTIONTEMPERATURE HIGH LIMIT SWITCH CONTROL THERMOSTATMAGNETIC CONTACTOR Fused Low Voltage Transformer OUTER SHELL, INSULATION, AND SUPPORTSOPTIONS Low Water Cut-OffBuilt-inCircuit Breaker Dial Temperature and Pressure GaugeVacuum Relief Valve Individually Fused ElementsSilicon Control Rectifier Special Customized FeaturesBuilding Management System BMS Pump Interlock Terminal BlockSECTION II - INSTALLATION WATER HEATER PLACEMENTPIPING INSTALLATION WARNING / CAUTIONFILLING THE HEATER ELECTRICAL INSTALLATIONFINAL CHECKS 7 - Control Thermostat 1 - Terminal Block 2 - Magnetic Contactor3 - Heating Element 4 - Low Water Cut-Off,if supplied4 - Low Water Cut-Off,if supplied 6 - High-TemperatureLimit Switch1 - Terminal Block 2 - Magnetic Contactor 3 - Heating ElementPage QUARTERLY INSPECTION SECTION III - SCHEDULED MAINTENANCE AND OPERATIONMAINTENANCE AND OPERATION FREEZINGb.Close valve on hot water outlet piping ANNUAL INSPECTION1.Flush tank as follows a.Shut off power supply g.Turn power supply ONCorrective Action / Remedy SECTION IV - TROUBLESHOOTINGSymptom Probable Causesettings at all times Water temperature belowFaulty thermostat Check thermostat adjustmentSECTION V - SERVICING & REPLACEMENT OF PARTS SURFACE TEMPERATURE HIGH LIMIT CUT-OFFWARNING / CAUTION IMMERSION TEMPERATURE HIGH LIMIT CUT-OFF HEATING ELEMENT 1.Disconnect power from unitIMMERSION THERMOSTAT Control Wires Line Wires Load Wires 1.Disconnect power from unit2.Disconnect line and load wires to contactor 3.Disconnect two 2 14 gauge control circuit wiresRELIEF VALVE SECTION VI - MISCELLANEOUS CHARTS AND FORMULAS ELEMENT CHARTFORMULAS TORQUE VALUES