Installation instructions, Branch circuit sizing guide – GE GEH50DNSRSA User Manual

Page 17

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background image

NOTE: This guide recommends minimum branch
circuit sizing based on the National Electric Code.
Refer to wiring diagrams in this manual for field
wiring connections.

Installation Instructions

17

The manufacturer’s warranty does not cover any
damage or defect caused by installation, attachment or
use of any type of energy-saving or other unapproved
devices (other than those authorized by the
manufacturer) into, onto or in conjunction with the water
heater. The use of unauthorized energy-saving devices
may shorten the life of the water heater and may
endanger life and property.

The manufacturer disclaims any responsibility for
such loss or injury resulting from the use of such
unauthorized devices.

If local codes require external application of insulation
blanket kits, the manufacturer’s instructions included
with the kit must be carefully followed.

Application of any external insulation, blankets or
water pipe insulation to this water heater will require
careful attention to the following:

Do not cover the temperature and pressure-relief

valve.

Do not cover access panels to the heating elements.

Do not cover the electrical junction box of the

water heater.

Do not cover the operating or warning labels attached

to the water heater or attempt to relocate them on
the exterior of the insulation blanket.

Do not block the air inlet outlets below and in the top

covers.

BRANCH CIRCUIT SIZING GUIDE

Total Water

Recommended Over-Current Protection

Heater Wattage

(fuse or circuit breaker amperage rating)

208V

240V

277V

480V

3,000

20

20

15

15

4,000

25

25

20

15

4,500

30

25

25

15

5,000

30

30

25

15

5,500

35

30

25

15

6,000

40

35

30

20

8,000

50

45

40

25

9,000

50

45

25

10,000

50

30

11,000

50

30

12,000

35

Typical vertical

piping arrangement

Typical horizontal piping

arrangement

Total Water

Copper Wire Size AWG Based

Heater Wattage

on N.E.C. Table 310-16 (75°C.)

208V

240V

277V

480V

3,000

12

12

14

14

4,000

10

10

12

14

4,500

10

10

10

14

5,000

10

10

10

14

5,500

8

10

10

14

6,000

8

8

10

12

8,000

8

8

8

10

9,000

8

8

10

10,000

8

10

11,000

8

10

12,000

8

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