Hubbell Electric Heater Company J manual NCB L1 L2 L3

Page 17

12 (NCB) L1 L2 L3

12

L1 L2 L3

Control

Module &

Display

J7

J5 J2

J3

Control, Low Water,

& Hi-Limit Probe

Control

Module &

Display

J7

J5 J2

J3

Control, Low Water,

& Hi-Limit Probe

Leak

Leak Detection Probe

14

L1

L2

L3

J7

J5

J3 J2

Control, Low Water,

& Hi-Limit Probe

Leak Detection Probe

15

Detection

Probe

L1 L2 L3

Control

Module &

Display

J7

J5

J3 J2

Control, Low Water,

& Hi-Limit Probe

Leak Detection Probe

Note: Wiring diagrams 3, 5, 6, 7 (NT), 7 (WT), and 11 are obsolete.

17

Image 17

Contents Operating and Maintenance Manual for Electric Booster Heater STRATFORD, CT Hubbell Electric Heater Company Seymour StreetTable of Contents Section Title Capacity Section I General Description and ConstructionPage Construction Tank Power Circuit BreakersTank Connections Heating ElementOptional Equipment Dial Temperature and Pressure GaugePressure Reducing Valve Slide Brackets for Hanging Support Mounting Section II Installation and START-UPWater Heater Placement Manual Release Lever Filling the Heater Electrical InstallationOptional XB1 LOW Temperature Interlock Common no Optional Remote Alarm ContactsFinal Checks For Remote ON/OFF ControlWiring Chart Diagram 1WT 1NT WT L1 L2 L3 13 NT NCB L1 L2 L3 Page Maintenance and Operation Section III Scheduled Maintenance and OperationFreezing Controller OperationQuarterly Inspection Err, No, H2O Section IV Troubleshooting Error MessagesMiscellaneous Contactor CareOK? Troubleshooting Flow ChartsContinuous No Display Is the circuit Breaker tripped at Source? Section V Servicing & Replacement of Parts Relief Valve Control BoardSensor Probe Category Description Volts Ohms Hubbell P/N Section VI Service Parts ListSection VII Torque Values Part Wire Size Torque inlbs Torque ftlbsSuch Warranties do not Cover Section Viii Warranty Information Limited Warranty