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

Hubbell Electric Heater Company A manual

Models: A

1 27

Download 27 pages 33.87 Kb

Page 15

Image 15

Page 15

Image 15

Hubbell Electric Heater Company A manual

Contents

ELECTRIC HEATER COMPANY BASE MODEL “ A ”OPERATING AND MAINTENANCE MANUAL FOR ELECTRIC BOOSTER 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 CONSTRUCTIONOUTER SHELL, INSULATION, AND SUPPORTS TEMPERATURE HIGH LIMIT SWITCHCONTROL THERMOSTAT MAGNETIC CONTACTORLow Water Cut-Off ON/OFF SWITCHFUSED LOW VOLTAGE TRANSFORMER OPTIONSPressure Reducing Valve Stainless Steel Outer JacketStainless Steel Legs SECTION II - INSTALLATION WATER HEATER PLACEMENTPIPING INSTALLATION WARNING / CAUTIONFILLING THE HEATER ELECTRICAL INSTALLATIONFINAL CHECKS Page Page 4 - Low Water Cut-Off,if supplied 8 - Illuminated On/Off 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 Causephases Faulty thermostatCheck thermostat adjustment settings at all timesSECTION V - SERVICING & REPLACEMENT OF PARTS SURFACE TEMPERATURE HIGH LIMIT CUT-OFFWARNING / CAUTION 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 4000 SECTION VI - MISCELLANEOUS CHARTS AND FORMULASELEMENT CHART 3500FORMULAS TORQUE VALUES