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Hubbell Electric Heater Company
SLN manual Interlocked for Non-SimultaneousOperation
Models:
SLN
1
19
22
22
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Troubleshooting
Install
Section V - Servicing & Replacement Of Parts
Maintenance
Control Wires
Symptom
Temperature High Limit Switch
Page 19
Image 19
L1
L2
L1
L2
1
3
1
3
2
4
2
4
1
1
4
4
2
2
1
1
2
2
Interlocked for
Non-Simultaneous
Operation
Non-Interlocked
for Simultaneous Operation
19
Page 18
Page 20
Page 19
Image 19
Page 18
Page 20
Contents
ELECTRIC HEATER COMPANY
BASE MODEL “SLN”
OPERATING AND MAINTENANCE MANUAL FOR
COMMERCIAL SOLAR WATER HEATER
STRATFORD, CT PHONE 203 FAX
HUBBELL ELECTRIC HEATER COMPANY P.O. BOX
WARNING / CAUTION
PAGE #
TABLE OF CONTENTS
SECTION
TITLE
Page
TANK
GENERAL DESCRIPTION
CONSTRUCTION
SECTION I - GENERAL DESCRIPTION AND CONSTRUCTION
Back-upElectric Heating Element
OUTER SHELL AND INSULATION
THERMISTOR CLIP
OPTIONAL BACK-UPELECTRIC HEATING SYSTEM
Temperature High Limit Switch
SECTION II - INSTALLATION
WATER HEATER PLACEMENT
INSTALL THE HEAT EXCHANGER COIL
WARNING / CAUTION
PIPING INSTALLATION
FILLING THE HEATER
ELECTRICAL INSTALLATION
FINAL CHECKS
QUARTERLY INSPECTION
SECTION III - SCHEDULED MAINTENANCE AND OPERATION
MAINTENANCE AND OPERATION
FREEZING
ANNUAL INSPECTION
Corrective Action / Remedy
SECTION IV - TROUBLESHOOTING SOLAR WATER SYSTEM
Symptom
Probable Cause
Corrective Action / Remedy
BACK-UPELECTRCIAL HEATER SYSTEM if supplied
Symptom
Probable Cause
RELIEF VALVE
SECTION V - SERVICING & REPLACEMENT OF PARTS
WARNING / CAUTION
HEATING COIL
SURFACE TEMPERATURE HIGH LIMIT CUT-OFFif supplied
HEATING ELEMENT if supplied
L1 L2 1 2 4 1
Non-Interlockedfor Simultaneous Operation
Interlocked for Non-SimultaneousOperation
Control Wires
SURFACE MOUNTED THERMOSTAT if supplied
1.Disconnect power from unit
2.Remove access cover and locate thermostat
IMMERSION THERMOSTAT if supplied
Model SLN - Coil Curves
