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

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

Models: D

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	TABLE OF CONTENTS
SECTION	TITLE	PAGE #
I	GENERAL DESCRIPTION AND CONSTRUCTION	5
II	INSTALLATION	9
III	SCHEDULED MAINTENANCE AND OPERATION	12
IV	TROUBLESHOOTING	14
V	SERVICING AND REPLACEMENT OF PARTS	16
VI	MISCELLANEOUS CHARTS AND FORMULAS	23

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Contents

FOR DEIONIZED DI WATER BASE MODEL “ D ”OPERATING AND MAINTENANCE MANUAL FOR ELECTRIC STAINLESS STEEL HEATERHUBBELL ELECTRIC HEATER COMPANY P.O. BOX STRATFORD, CT PHONE 203 FAXWARNING / CAUTION PAGE # TABLE OF CONTENTSSECTION TITLEPage TANK GENERAL DESCRIPTIONCONSTRUCTION SECTION I - GENERAL DESCRIPTION AND CONSTRUCTIONTEMPERATURE HIGH LIMIT SWITCH CONTROL THERMOSTATMAGNETIC CONTACTOR Low Water Cut-Off Optional ConnectionsOUTER SHELL AND INSULATION OPTIONSIndividually Fused Elements Digital DisplayStainless Steel Pressure-OnlyRelief Valve SECTION II - INSTALLATION WATER HEATER PLACEMENTPIPING INSTALLATION WARNING / CAUTIONFILLING THE HEATER ELECTRICAL INSTALLATIONFINAL CHECKS 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 unitPage IMMERSION 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