Hubbell Electric Heater Company HSE, HE manual Delta WYE

Page 20

SECTION VI – MISCELLANEOUS CHARTS AND FORMULAS

FORMULAS

3-PHASE ELEMENT CHART

Element

Power (kW)

Immersion

 

Resistance (Ohms)

 

Part #

208V

240V

480V

Length

Hairpin

1 Φ

3 Φ DELTA

3 Φ WYE

2-38683N

2.5

3

4

13"

57.6

19.2

57.6

38.6

3-38683N

3

4

5

13"

43.2

14.4

43.2

28.9

4-38683N

4

5

6

13"

34.4

11.5

34.4

23.0

5-38683N

5

6

8

13"

27.9

9.3

27.9

18.7

6-38683N

6

8

10

13"

21.6

7.2

21.6

14.5

7-38683N

8

10

12

13"

17.1

5.7

17.1

11.5

8-38683N

10

12

15

13"

14.4

4.8

14.4

9.6

9-38683N

12

15

20

15"

12.1

4.0

12.1

8.1

10-38683N

15

20

----

15"

9.1

3.0

9.1

6.1

11-38683N

17.3

----

----

15"

7.5

2.5

7.5

5.0

20

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Contents Electric Heater Company Hubbell Electric Heater Company STRATFORD, CTTable of Contents Section Title Page Section I General Description and Construction TankTank Connections Control ThermostatTemperature High Limit Switch Heating ElementMagnetic Contactor HSE Models Only Outer Shell and InsulationSection II Installation Water Heater PlacementPiping Installation Final Checks Electrical InstallationFilling the Heater Section III Scheduled Maintenance and Operation Maintenance and OperationFreezing Quarterly InspectionAnnual Inspection Section IV Troubleshooting Symptom Probable Cause Corrective Action / RemedySection V Servicing & Replacement of Parts Surface Temperature High Limit CUT-OFFHeating Element Page Immersion Thermostat Magnetic Contactor Relief Valve Delta WYE Single Phase Element Chart Torque Values
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