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Instructions for Installation (cont'd)
Wiring
A CAUTION C. Flexible metal conduit or 3 metallic tubing shall be per-
Never use this water heater unless it is completely mitred for grounding if all the following conditions are
full of water. To prevent damage to the tank and met:
heating element, the tank must be filled with 1.The length in anyground return path doesnot exceed
water. Water must flow from the hot water faucet 6 feet.
before turning on power. 2. The circuit conductors contained therein are protected
by overcurrent devices rated at 20 amperes or less.
You must provide all wiring of the proper size outside of the 3. The conduit or tubing is terminated in fittings
water heater. You must obey local codes and electric company approved for grounding.
requirements when you install this wiring. For complete grounding details and all allowable exceptions,
refer to the latest edition of the National Electrical Code.
If you are not familiar with electric codes and practices, or if
you have any doubt, even the slightest doubt, in your ability to 4. A standard 1/2"conduit opening has been made in the water
connect the wiring to this water heater, obtain the service of a heater junction box for the conduit connection.
competent electrician. Call Maytag Customer Service at 5. Wiring Diagrams (See "Wiring Diagrams" Section) have
1-800-788-8899 for an authorized servicer, been supplied showing the two most common types of con-
nections between the water heater and the power supply.
A WARNING YOUcan easily see which type connection you have by
removing the junction box cover on top of the water heater.
WATER HEATERS EQUIPPED FOR ONE VOLTAGE A. TwoWire Connection Diagrams: is the most common
ONLY: This water heater is equipped for one type
voltage only. Check the rating plate near the bot- requiring you to simply connect red to red, black to black,
tom access panel for the correct voltage. DO NOT and the groundwire to the greenground screwin thejunc-
use this water heater with any voltage other than tion box of the water heater.
the one shown on the model rating plate. Failure to B. Three Wire Connection Diagram: is used when you are
use the correct voltage can cause problems which
can result in DEATH, SERIOUS BODILY INJURY, OR connecting the water heater to power a supply that has a
PROPERTY DAMAGE. If you have any questions or "Time Clock" or "OffPeak" Meter. To make these connec-
doubts consult your electric company, tions refer to block 1or 2 in this wiring diagram for the type
of system you have.
& CAUTION NOTE: If you have purchased athree wire connection
If wiring from your fuse box or circuit breaker box water heater but you are not on a"Time Clock" or"Off
was aluminum for your old water beater, replace it Peak" meter and have a standard two wire connection
with copper wire. If you wish to reuse the existing power supply, simply follow the connection diagram in
aluminum wire, have the connection at the water block 3 of the Three Wire Connection Diagram.
heater made by a competent electrician. Call
Maytac_ Customer Service at 1-800-788-8899 for an
authortzed servicer. 6. Use wire nuts and connect the power supply wiring to the
wires inside the water heater's junction box,
1. Provide a way to easily shut offthe electric power when
working on the water heater. This could be with a circuit 7, The water heater must be electrically "grounded" by the
breaker or fuse block in the entrance box or a separate dis- installer. A green ground screw has been provided on the
connect switch, water heater's junction box. Connect ground wire to this
location.
2. Install and connect a circuit directly from the main fuse or
8. Replace the wiring junction cover using the screw provided.
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 _ WIRF_'-.._
wire and fuse orcircuit breaker. / _,h 7"rS
3. If metal conduit is used for the grounding conductor: CONDUIT _ / _x
A. The grourtding electrode conductor shall be of copper, _65GR_ _
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
electrical metallic tubing may be used for the grounding
means if conduit or tubing is terminated in fittings
approved for grounding. 16