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Hubbell Electric Heater Company
E manual Interlocked for Non-SimultaneousOperation
Models:
E
1
17
23
23
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23 pages
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Troubleshooting
Install
Section Vi - Miscellaneous Charts And Formulas
Section V - Servicing & Replacement Of Parts
Maintenance
Control Wires
Electro-MechanicalTimer
Temperature High Limit Switch
Flush tank as follows a.Shut off power supply
Page 17
Image 17
L1
L2
L1
L2
1
3
1
3
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4
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4
1
1
4
4
2
2
1
1
2
2
Interlocked for
Non-Simultaneous
Operation
Non-Interlocked
for Simultaneous Operation
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Page 16
Page 18
Page 17
Image 17
Page 16
Page 18
Contents
OPERATING AND MAINTENANCE MANUAL FOR
BASE MODEL “ E ”
COMMERCIAL ELECTRIC WATER HEATER
ELECTRIC HEATER COMPANY
WARNING / CAUTION
HUBBELL ELECTRIC HEATER COMPANY P.O. BOX
STRATFORD, CT PHONE 203 FAX
SECTION
TABLE OF CONTENTS
TITLE
PAGE #
Page
CONSTRUCTION
GENERAL DESCRIPTION
SECTION I - GENERAL DESCRIPTION AND CONSTRUCTION
TANK Standard Tank Construction
CONTROL THERMOSTAT
TEMPERATURE HIGH LIMIT SWITCH
Electro-MechanicalTimer
Dial Temperature and Pressure Gauge
OUTER SHELL AND INSULATION
OPTIONS
PIPING INSTALLATION
WATER HEATER PLACEMENT
WARNING / CAUTION
SECTION II - INSTALLATION
FINAL CHECKS
ELECTRICAL INSTALLATION
FILLING THE HEATER
MAINTENANCE AND OPERATION
SECTION III - SCHEDULED MAINTENANCE AND OPERATION
FREEZING
QUARTERLY INSPECTION
1.Flush tank as follows a.Shut off power supply
ANNUAL INSPECTION
g.Turn power supply ON
b.Close valve on hot water outlet piping
Symptom
SECTION IV - TROUBLESHOOTING
Probable Cause
Corrective Action / Remedy
WARNING / CAUTION
SECTION V - SERVICING & REPLACEMENT OF PARTS
SURFACE TEMPERATURE HIGH LIMIT CUT-OFF
IMMERSION TEMPERATURE HIGH LIMIT CUT-OFF
HEATING ELEMENT
1.Disconnect power from unit
L1 L2 1 2 4
Non-Interlockedfor Simultaneous Operation
Interlocked for Non-SimultaneousOperation
1.Disconnect power from unit
SURFACE MOUNTED THERMOSTAT
2.Remove access cover and locate thermostat
Control Wires
IMMERSION THERMOSTAT
RELIEF VALVE
ELEMENT CHART
SECTION VI - MISCELLANEOUS CHARTS AND FORMULAS
3500
4000
FORMULAS
TORQUE VALUES