State P6 40 20T4 W - Manual (Page 9)

Installing the New Water Heater (cont’d)
You must provide all wiring of the proper size outside of
the water heater. You must obey local codes and electric
company requirements when you install this wiring.
If you are not familiar with electric codes and practices, or
if you have any doubt, even the slightest doubt, in your
ability to connect the wiring to this water heater, obtain the
service of a competent electrician. Contact a local electri-
cal contractor and/or the local electric utility.
Wiring
1. Provide a way to easily shut off the electric power when
working on the water heater. This could be with a cir-
cuit breaker or fuse block in the entrance box or a sep-
arate disconnect switch.
2. Install and connect a circuit directly from the main fuse
or circuit breaker box. This circuit must be the right size
and have its own fuse or circuit breaker.
3. If metal conduit is used for the grounding conductor:
A. The grounding electrode conductor shall be of cop-
per, aluminum, or copperclad aluminum. The mate-
rial shall be of one continuous length without a
splice or joint.
B. Rigid metal conduit, intermediate metal conduit, or
electrical metallic tubing may be used for the
grounding means if conduit or tubing is terminated
in fittings approved for grounding.
C. Flexible metal conduit or flexible metallic tubing
shall be permitted for grounding if all the following
conditions are met:
1. The length in any ground return path does not
exceed 6 feet.
2. The circuit conductors contained therein are pro-
tected by overcurrent devices rated at 20 amperes
or less.
3. The conduit or tubing is terminated in fittings
approved for grounding.
For complete grounding details and all allowable excep-
tions, refer to the latest edition of the National Electrical
Code.
4. A standard 1 ⁄
2
" conduit opening has been made in the
water heater junction box for the conduit connection.
5. Use wire nuts and connect the power supply wiring to
the wires inside the water heaters junction box.
6. The water heater must be electrically “grounded” by the
installer. A green ground screw has been provided on
the water heaters junction box. Connect ground wire to
this location.
7. Replace the wiring junction cover using the screw
provided.
9
ELECTRIC SUPPLY
CLAMP
GREEN GROUND
SCREW
WIRE CONNECTORS
CAUTION
Never use this water heater unless it is completely full
of water. To prevent damage to the tank and heating ele-
ment, the tank must be filled with water. Water must
flow from the hot water faucet before turning “ON”
power.
WARNING
WATER HEATERS EQUIPPED FOR ONE VOLTAGE
ONLY: This water heater is equipped for one type volt-
age only. Check the rating plate near the bottom access
panel for the correct voltage. DO NOT use this water
heater with any voltage other than the one shown on
the model rating plate. Failure to use the correct volt-
age can cause problems which can result in death, seri-
ous bodily injury, or property damage. If you have any
questions or doubts consult your electric company.
CAUTION
If wiring from your fuse box or circuit breaker box was
aluminum for your old water heater, replace it with cop-
per wire. If you wish to reuse the existing aluminum
wire, have the connection at the water heater made by
a competent electrician. Contact a local electrical con-
tractor and/or the local electric utility.