Kenmore 153.31242 User Manual download pdf (Page 13)

c. Flexible metal conduit or flexible metallic tubing

shall be permitted for grounding if all the following

conditions are met:

• The length in any ground return path does not

exceed 6 feet.

• The circuit conductors contained therein are protected

by overcurrent devices rated at 20 amperes or less.

• The conduit or tubing is terminated in fittings approved

for grounding.

For complete grounding details and all allowable exceptions,

refer to the current edition of the NEC - National Electrical Code

NFPA70.

4. Astandard 1/2” conduit opening has been made in the water

heater junction box for the conduit connection.

5. Wiring Diagrams (see Wiring Diagrams section) have been

supplied showing the two most common types of connections

between the water heater and the power supply. You can

easily see which type connection you have by removing the

junction box cover on top of the water heater.

• Two Wire Connection Diagrams: is the most common

requiring you to simply connect red to red, black to

black, and the ground wire to the green ground screw

in the junction box of the water heater.

• Three Wire Connection Diagram: is used when you

are connecting the water heater to a power supply

that has a “Time Clock” or “Off Peak” meter. To make

these connections refer to block 1 or 2 in this wiring

diagram for the type of system you have.

NOTE: If you have purchased a three wire connection water

heater but you are not on a “Time Clock” or “Off Peak” meter

and have a standard two wire connection power supply,

simply follow the connection diagram in block 3 of the three

wire connection diagram.

6. Use wire nuts and connect the power supply wiring to the

wires inside the water heater’s junction box.

7. The water heater must be electrically “grounded” by the

installer. A green ground screw has been provided on the

water heater’s junction box. Connect ground wire to this

location.

8. Replace the wiring junction cover using the screw provided.

Wiring Diagram

A WARNING

Before removing any access

panels or servicing the water

heater, make sure the electrical

supply to the water heater is

turned “OFF”.

Failure to do this could result in

death, serious bodily injury, or

property damage.

STANDARD WIRING FOR 2 WIRE LEAD WATER

HEATERS 240 VOLT SINGLE ELEMENT

TO ELECTRIC

POWER SUPPLY

FIGURE 24.

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 23 24

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Kenmore 153.31242 User Manual Page 13

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