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Wiring - Kenmore POWER MISER 153.320491 HT 40 GAL Owner's Manual

Kenmore water heater user manual
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Table of Contents
Installation
Instructions
(cont'd)
Wiring
J
_ CAUTION
I
Never use this water heater unlessit 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.
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 con-
nect the wiring to this water heater, obtain the service of a com-
petent e ectrician. Contact your Searssalesperson to arrange for
a professional electrician.
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 protected
by overcurrent devices rated at 20 amperesor less.
3. The conduit
or tubing
is terminated
in fittings
approvedfor grounding.
For complete grounding details and all allowable exceptions,
refer to the latest edition of the National Electrical Code.
4. A standard ½" conduit opening has been made in the water
heater junction box for the conduit connection.
AWARNING
WATER HEATERS EQUIPPED
FOR ONE VOLTAGE
ONLY: This water heater is equipped for one type voltage
only.Check the rating plate near the bottom accesspanel
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 voltage can cause
problems which can result in DEATH, SERIOUS BODILY
INJURY,OR PROPERTY DAMAGE. If you have any ques-
tions or doubtsconsult your electric company.
A 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 com-
petent electrician. Contact your Sears salesperson to
arrange for a professionalelectrician.
1. Provide a way to easily shut off the electric power when work-
ing on the water heater. This could be with a circuit breaker
or fuse block in the entrance
box or a separate
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. Refer to the chart in the
"Product
Specifications"
section for the correct size wire and
fuse or circuit breaker.
5. Wiring
Diagrams
(See Wiring
Diagrams
Section) have been
supplied
showing
the two most common
types of connec-
tions between the water heater and the power supply. You cart
easily see which
type connection
you have by removing
the
junction
box cover on top of the water heater.
A, Two W'um 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 junc-
tion box of the water heater.
B. Three Wire Connection
Diagram: is used when you are
connecting the water heater to power a supply that has a
Time Clock or Off Peak Meter. To make these connec-
tions 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 connexion
water heater but you are not on a "Time Clock" or Off
Peak" meter and have a standard two wire connection
cower supply, simply follow the connection diagram in
lock 3. of the Three Wire Connection Diagram.
6. Use wire nuts and connect
the power supply wiring to the
wires inside the water beater's junction.
7. The water
heater
must
be electrically
"grounded"
by the
installer.
A _reen 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.
3. If metal conduit
is used for the grounding
conductor:
A. The grounding
electrode
conductor
shall be of copper,
aluminum,
or copperclad
aluminum.
The material
shall
be of one continuous
length without
a splice or joint.
B. Rigid metal conduit,
intermediate
metal conduit,
or elec-
trical
metallic
tubing
may be used for the grounding
means
if conduit
or tubing
is terminated
in fittings
approved for grounding.
CONDUIT
GI
SCREW
14

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