Maytag HE2940L Water Heater User Manual


 
Instructions for Installation (cont'd)
Wiring
A CAUTION C. Flexible metal conduit or 3 metallic tubing shall be permit-
Never use this water heater unless it is completely tedfor grounding ifaU thefollowing conditions aremet:
full of water. To prevent damage to the tank and 1.The length in anyground return path doesnot exceed
heating element, the tank must be filled with 6 feet.
water. Water must flow from the hot water faucet 2. The circuit conductorscontained therein areprotected
before turning on power, by overcurrent devices rated at 20 amperes or less.
3. The conduit or tubing isterminated in fittings
You must provide all wiring of the proper size outside of the approved for grounding.
water heater. You must obey local codes and electric company For complete grounding details and all allowable exceptions,
requirements when you install this wiring, refer to the latest edition of the National Electrical Code.
/2 condust opening has been made m the water
If you are not familiar with electric codes and practices, or if 4. A standard ' .....
you have any doubt, even the slightest doubt, in your ability to heater junction box for the conduit connection.
connect the wiring to this water heater, obtain the service era 5. Wiring Diagrams (See "Wiring Diagrams" Section) have
competent electrician. Call Maytag Customer Service at been supplied showing the two most common types of con-
1-800-788-8899 for an authorized servicer, nections between the water heater and the power supply.
You can easily see which type connection you have by
A WARNING removing the junction box cover on top of the water heater.
WATER HEATERS EQUIPPED FOR ONE VOLTAGE A. Two Wire Connection Diagrams: is the most common
ONLY: This water heater is equipped for one type requiring you to simply connect red to red, black to black,
voltage only. Check the rating plate near the but- and the ground wire to the green ground screw in the june-
tom access panel for the correct voltage. DO NOT tion box of the water beater.
use this water heater with any voltage other than B. Three Wire Connection Diagram: is usedwhen you are
the one shown on the model rating plate. Failure to connecting the water heater to power a supply that has a
use the correct voltage can cause problems which
can result in DEATH, SERIOUS BODILY INJURY, OR "Time Clock" or "Off Peak" Meter. To make these connec-
PROPERTY DAMAGE. If you have any questions or tions refer to block 1 or 2 in this wiring diagram for the type
doubts consult your electric company, of system you have.
NOTE: Ifyou have purchased a three wire connection
A CAUTION water heater but you arenot on a"Time Clock" or"Off
If wiring from you r fuse box or circuit breaker box Peak" meter and have a standard two wire connection
was aluminum for your old water heater, replace it power supply, simply follow the connection diagram in
with copper wire. If you wish to reuse the existing block 3 of the Three Wire Connection Diagram.
aluminum wire, have the connection at the water
heater made by a competent electrician. Call 6. Use wire nuts and connect the power supply wiring to the
Maytacj Customer Service at 1-800-788-8899 for an wires inside the water heater's junction.
authorized servicer,
7. The water heater must be electrically "grounded" by the
1. Provide a way to easily shut off the electric power when
installer. A green ground screw has been provided on the
working on the water heater. This could be with a circuit
water heater's junction box. Connect ground wire to this
breaker or fuse block in the entrance box or a separate dis-
connect switch, location.
8. Replace the wiring junction cover using the screw provided.
2. Instal1 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.
3. If metal conduit is used for the grounding conductor: CO
A. The grounding electrode conductor shall be of copper,
aluminum, or copperclad aluminum. The material shall
be of one continuous length without a splice orjoint. ___ (._
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. 17