Manuals
/
Hubbell Electric Heater Company
/
Household Appliance
/
Electric Heater
Hubbell Electric Heater Company
B manual
Models:
B
1
4
25
25
Download
25 pages
51.34 Kb
1
2
3
4
5
6
7
8
<
>
Troubleshooting
Install
chart included in Section
Section V - Servicing & Replacement Of Parts
Maintenance
Disconnect line and load wires to contactor
Temperature High Limit Switch
Flush tank as follows a.Shut off power supply
Page 4
Image 4
4
Page 3
Page 5
Page 4
Image 4
Page 3
Page 5
Contents
BASE MODEL “ B ”
OPERATING AND MAINTENANCE MANUAL FOR
ELECTRIC BOOSTER HEATER
ELECTRIC HEATER COMPANY
STRATFORD, CT PHONE 203 FAX
HUBBELL ELECTRIC HEATER COMPANY P.O. BOX
WARNING / CAUTION
TABLE OF CONTENTS
SECTION
TITLE
PAGE #
Page
GENERAL DESCRIPTION
CONSTRUCTION
SECTION I - GENERAL DESCRIPTION AND CONSTRUCTION
TANK
TEMPERATURE HIGH LIMIT SWITCH
CONTROL THERMOSTAT
MAGNETIC CONTACTOR
OUTER SHELL , INSULATION, AND SUPPORTS
Dial Temperature and Pressure Gauge
OPTIONS
Low Water Cut-Off
Fused Low Voltage Transformer
Stainless Steel Outer Jacket
Pressure Reducing Valve
Suspension Straps
WATER HEATER PLACEMENT
PIPING INSTALLATION
WARNING / CAUTION
SECTION II - INSTALLATION
ELECTRICAL INSTALLATION
FILLING THE HEATER
FINAL CHECKS
1 - Terminal Block 2 - Magnetic Contactor
3 - Heating Element
4 - Low Water Cut-Off,if supplied
7 - Control Thermostat
6 – High-TemperatureLimit Switch
1 - Terminal Block 2 - Magnetic Contactor
3 - Heating Element
4 - Low Water Cut-Off,if supplied
Page
SECTION III - SCHEDULED MAINTENANCE AND OPERATION
MAINTENANCE AND OPERATION
FREEZING
QUARTERLY INSPECTION
ANNUAL INSPECTION
1.Flush tank as follows a.Shut off power supply
g.Turn power supply ON
b.Close valve on hot water outlet piping
SECTION IV - TROUBLESHOOTING
Symptom
Probable Cause
Corrective Action / Remedy
Water temperature below
Faulty thermostat
Check thermostat adjustment
settings at all times
SURFACE TEMPERATURE HIGH LIMIT CUT-OFF
SECTION V - SERVICING & REPLACEMENT OF PARTS
WARNING / CAUTION
1.Disconnect power from unit
HEATING ELEMENT
IMMERSION THERMOSTAT
1.Disconnect power from unit
2.Disconnect line and load wires to contactor
3.Disconnect two 2 14 gauge control circuit wires
Control Wires Line Wires Load Wires
RELIEF VALVE
ELEMENT CHART
SECTION VI - MISCELLANEOUS CHARTS AND FORMULAS
FORMULAS
TORQUE VALUES