Safety Instructions

Installing the water heater.

CAUTION: The presence of water in the piping and water heater does not provide sufficient conduction for a ground. Non-metallic piping, dielectric unions, flexible connectors etc. can cause the water heater to be electrically isolated.

Instructions Installation Instructions

Ground screw

 

G

 

ARNIN

 

W

Conduit

Junction

box

connector

cover

Wire connections

Water heater junction box.

Electrical Connections

A separate branch circuit with copper conductors, overcurrent protective device and suitable disconnecting means must be provided by a qualified electrician.

All wiring must conform to local codes or latest edition of National Electrical Code ANSI/NFPA 70.

The water heater is completely wired to the junction box inside jacket at the top front of the water heater. An opening for 1/2or 3/4electrical fitting is provided for field wiring connections.

The voltage requirements and wattage load for the water heater are specified on the rating plate on the front of the water heater.

The branch circuit wiring should include either:

Metallic conduit or metallic sheathed cable approved for use as a grounding conductor and installed with fittings approved for the purpose. Non-metallic sheathed cable, metallic conduit or metallic sheathed cable not approved for use as a ground conductor shall include a separate conductor for grounding. It should be attached to the ground terminals of the water heater and the electrical distribution box.

Tips Care and Cleaning Operating

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

Branch Circuit Sizing and Wire Size Guide

Total Water

Recommended Over Current Protection

Copper Wire Size AWG Based

Heater Wattage

(fuse or circuit breaker amperage rating)

on N.E.C. Table 310-16 (75°C)

 

120V

 

208V

 

240V

120V

 

208V

 

240V

 

 

 

 

 

1500*

20

 

15

 

15

12

 

14

 

14

1700

20

 

15

 

15

12

 

14

 

14

2000

25

 

15

 

15

10

 

14

 

14

2500

30

 

15

 

15

10

 

14

 

14

3000

35

 

20

 

20

8

 

12

 

12

3500

 

25

 

20

 

10

 

12

3800

 

25

 

20

 

10

 

12

4000

 

25

 

25

 

10

 

10

4500

 

30

 

25

 

10

 

10

5000

 

30

 

30

 

10

 

10

5500

 

35

 

30

 

8

 

10

6000

 

40

 

35

 

8

 

8

9000

 

 

50

 

 

8

*Less than 1500 watts may be wired 14 gauge with 15 amp protection. Check Local Electrical Codes, as they will also apply.

Customer Service Troubleshooting

Condensation

Condensation can form on the tank when it is first filled with water. Condensation might also occur with a heavy water draw and very cold inlet water temperatures.

This condition is not unusual, and will disappear after the water becomes heated. If, however, the condensation continues, examine the piping and fittings for possible leaks.

Additional information on this subject may be found at www.rheem.com under “Library,” scroll down to the Technical Service Bulletins 1400 Series Section and choose Bulletin #1402.

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GE GE30T06MAG, AP12170-4 Electrical Connections, Branch Circuit Sizing and Wire Size Guide, Condensation

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