Maytag SERIES NINE HE2940L User manual

lVLYI:AG
Series Nine
ELECTRIC
WATER HEATER
USER'S GUIDE
Model Numbers
HE2930T
HE3930T
HE2940L
HE3940 L
HE2940S
HE3940S
HE2940T
HE3940T
HE2950S
HE3950S
HE2950T
HE3950T
HE2966T
HE3966T
_FOR POTABLE WATER
LISTED HEATING ONLY
GAMA certification applies to all residential
electricwater heaterswith capacitiesof20 to NOT SUITABLE FOR
120Gallons,Input rating of 12Kw or lessat a SPACE HEATING
voltage no greater than 250 V.
Caution:
AWARNING I Read and Follow All
READ THE GENERAL SAFETY SECTION BEGINNING ON INSIDE r safety Rules and
COVER AND THEN THIS ENTIRE MANUAL BEFORE INSTALLING OROperating Instructions
OPERATING THIS WATER HEATER. Before First Use of
Savethis Manual for FutureReference. This Product.

Safety Instructions
_WARNING AWARNING
Improper installation, adjustment, alteration, service At the timeof manufacture this water heater was pro-
or maintenance can causeDEATH,SERIOUS BODILY vided with acombination temperature-pressures relief
INJURY, OR PROPERTY DAMAGE. Refer to this manu- valve certified by a nationally recognized testing labo-
al for assistance consult your local utility or call ratory that maintains periodic inspection of production
Maytag Customer Service at 1-800-788-8899 for an of listed equipment or materials, as meeting the
authorized servicer for further information, requirements for Relief Valves and Automatic Gas
IShutoff Devices for Hot Water Supply Systems, and
the latest edition of ANSI Z21.22 and the code require-
ments of ASME. If replaced, the valvemust meet the
AWARNING requirements of local codes, but not lessthan a combi-
nation temperature andpressure relief valve certified
HAZARD OF ELECTRICAL SHOCK!Before removing as meeting the requirements for Relief Valves and
any access panels or servicing the water heater, Automatic Gas Shutoff Devices for Hot Water Supply
make sure the electrical supply to the water heater Systems, ANSI Z21.22 by a nationally recognized test-
is turned "OFF". Failure to do this could result in ing laboratory that maintains periodic inspection of
DEATH, SERIOUS BODILY INJURY, OR PROPERTY production of listed equipment or materials.
DAMAGE. The valve must be marked with a maximum set pres-
sure not to exceed themarked hydrostatic working
pressure of thewater heater (150 Ibs./sq. in.) and a
discharge capacity not less than the water heater
input rate as shown on the model rating plate.
_WARNING (Electric heaters -watts divided by 1000 x 3415equal
HOTTER WATER CAN SCALD: Water heaters are BTU/Hr. rate.)
intended toproduce hot water. Water heated to a Your local jurisdictional authority, while mandating the
temperature which will satisfyclothes washing, use of a temperature-pressure relief valve complying
d sh washing, and other sanitizing needs can scald with ANSi Z21.22 and ASME, may require a valve model
different from the one furnished with the water heater.
and permanently injure you upon contact. Some
people are more likely to be permanently injured by Compliance with such local requirements must be sat-
hot water than others. These include the elderly, isfied by the installer or end user of the water heater
children, the infirm, orphysically/mentally handi-, with a locally prescribed temperature-pressure relief
capped. If anyone using hot water in your home fits valve installed in the designated opening in the water
into one of these groups or if there isa local code or Iheater in place of the factory furnished valve.
state law requiring a certain temperature water at I For safe operation of the water heater, the relief valve
thehot water tap, then you must take special pre-I must not be removed fromit's designated opening or
cautions. In addition to usingthe lowest possible Iplugged.
temperature settingthat sattsfies your hotwater The temperature-pressure relief valve must be
needs, a means such as a mixing valve, should beinstalled directly into the fitting of the water heater
used at the hotwater taps used by these people or designated forthe relief valve. Position the valve
at the water heater. Mixing valves are available at downward and providetubing so that any discharge
plumbing supply or hardware stores. Follow manu- will exit only within 6 inchesabove, or at any distance
tacturers instructions for installation of the valves, below the structural floor. Becertain that no contact is
Before changing the factory setting on the thermo- made with any live electrical part. The discharge open-
stat, read the "Temperature Regulation"section in ing must not be blocked or reduced in size under any
this manual, circumstances.Excessivelength, over 30 feet, or use of
more than four elbows can cause restriction and
reduce the discharge capacity of the valve.
No valve or other obstruction isto be placed between
the relief valve and the tank. Do not connect tubing
AWARNING directly to discharge drain unlessa 6 air gap isprovid-
INSULATING JACKETS: When installing an external ed. To prevent bodily injury, hazard to life, or property
waterheater insulation jacket onan electric water damage, the relief valve must be allowed to discharge
heater: water in quantities should circumstances demand. If
• DONOT cover the temperature-pressure relief valve, thedischarge pipe is not connected to a drain or other
•DONOT put insulation over the access covers or suitable means, the water flow may cause property
any accessareas, damage.
• DO NOT cover or remove operating instructions, The Discharge Pipe:
and safety related warning labels and materials •Must notbe smaller in size than the outlet pipe size I
affixed to the water heater, of thevalve, or haveany reducing couplings or I
other restrictions.
: Must not be plugged or blocked.
Must be of material listed for hot water distribution.
I • Must be installed so as to allow complete drainage
AWARNING of both the temperature-pressurerelief valve, and
|Do not use this ap_part of it has been / the discharge pipe.
/ under water. An electrical short or malfunction could | • Must terminate at an adequatedrain.
[occur. The water heater should be replaced. ] •Must not have any valve between the relief valve
and tank.
2

Safety Instructions (cont'd)
AWARNING
WATER HEATERS EQUIPPED FOR ONE VOLTAGE
ONLY: This water heater is equipped for one type
voltage only. Check the rating plate near the bot-
tom 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 voltage can cause problems which
can result in DEATH, SERIOUS BODILY INJURY, OR
PROPERTY DAMAGE. If you have any questions or
doubts consult your electric company.
A,CAUTION
WATER HEATERS EVENTUALLY LEAK: Installation of l
the water heater must be accomplished in such a
manner that if the tank or any connections should
leak, the flow of water will not cause damage to the
structure.For this reason, it is not advisable to install
the water heater in an attic or upper floor.When
such locations cannot be avoided,a suitable drain
pan should be installed under the water heater.
Drain pans are available at your local hardware
store.Such a drain pan must have a minimum diam-
eter of at least 1% inches greater than the water
heater diameter and must be piped to an adequate
drain. Under no circumstances Isthe manufacturer or
Maytag to be held liable for any water damage in
connection with this water heater.

Table of Contents
Safety Instructions .....................................................................................................................................2-3
Table of Contents ...........................................................................................................................................4
Customer Information ............................................................................................................................s
Product Specifications .............................................................................................................................6
Accessories and Tools Needed ....................................................................................................7
Accessories............................................................................................................................................................................ 7
Tools ..................................................................................................................................................................................... 7
Instructions for Installation ........................................................................................................s-17
Removing the Old Water Heater .......................................................................................................................................... 8
Locating the New Water Heater .......................................................................................................................................... 9
Typical Installation ................................................................................................................................................................ 9
The Convertible Lower Element ........................................................................................................................................ 10
Water Piping ....................................................................................................................................................................... 11
Temperature-Pressure Relief Valve ..................................................................................................................................... 12
Filling the Water Heater ..................................................................................................................................................... 13
Converting theLower Element ..................................................................................................................................... 13-1.5
Wiring Diagrams ................................................................................................................................................................ 16
Wiring ................................................................................................................................................................................ 17
Installation Checklist .......................................................................................................................................................... 18
Service and Maintenance ............................................................................................................19-24
Temperature Regulation ...................................................................................................................................................... 19
Thermostats........................................................................................................................................................................ 19
Thermostat Settings............................................................................................................................................................ 19
Thermostat Adjustment ...................................................................................................................................................... 20
Temperature-Pressure Relief Valve Operation .................................................................................................................... 20
Draining .............................................................................................................................................................................. 21
Element Cleaning and Replacement ............................................................................................................................. 21-24
Drain Valve Washer Replacement ...................................................................................................................................... 24
Service................................................................................................................................................................................. 24
Troubleshooting ......................................................................................................................................2s-27
Start Up Conditions............................................................................................................................................................ 25
Thermal Expansion ........................................................................................................................................................ 25
Strange Sounds ............................................................................................................................................................... 25
Operational Conditions ................................................................................................................................................ 25,26
Smelly Water.................................................................................................................................................................. 25
Air in Hot Water Faucets ............................................................................................................................................... 25
Rumbling Noise ............................................................................................................................................................. 25
High Temperature Shut Off System ........................................................................................................................ 25,26
Not Enough Hot Water................................................................................................................................................. 26
Water is Too Hot ........................................................................................................................................................... 26
Leakage Checkpoints ..................................................................................................................................................... 27
Repair Parts List .......................................................................................................................................28-34
Warranty ....................................................................................................................................................................36

Customer Information
ThankYou for purchasing a Maytag water heater. •The installation must conform with the instructions in this
manual; electric company rules; and Local Codes,or in the
Properly installedand maintained,it should give you years of absence of Local Codes,with the latest edition of the
trouble free service. It is strongly suggested that this new
water heater be professionally installed, call Maytag Customer National Electrical Code. This publication is available from
Service at 1-800-788-8899 for recommended installers, your local government or public library or electric company
or by writing Underwriters Laboratories Inc.,333 Pfingsten
Abbreviations Found In This Instruction Manual Road, Northbrook, IL 60062.
U.L.- Underwriters Laboratories, 333 Pfingsten Rd.,
Northbrook, IL 60062 •If after reading this manual you have anyquestions or do
not understand anyportion of the instructions, call Maytag
National Electrical Code-This publication is available from Customer Service at 1-800-788-8899 for an authorized
your local government or public library or electric company or servicer.
by writing to U.L. above.
ANSI-American National Standards Institute • Carefially plan the place where you are going to put the
• Read the "Safety Instructions" section,pages 2 and 3 of this water heater. Correct electrical wiring and connections are
very important in preventing death from possible electrical
manual first and then the entire manual carefully.If you shock and fires.
don't follow the safety rules, the water heater will not oper-
ate properly. It could cause DEATH, SERIOUS BODILY Examine the location to ensure the water heater complies
INJURY AND/OR PROPERTY DAMAGE. with the "Locating the New Water Heater" section.
This manual contains instructions for the installation, oper- • For California installation this water heater must be braced,
ation, and maintenance of this electric water heater. It also
contains warnings throughout the manual that you must anchored, or strapped to avoid falling or moving during an
readand be aware of. All warnings and all instructions are earthquake. See instructions for correct installation proce-
dures. Instructions may be obtained from the California
essential to the proper operation of the water heater and office of the State Architect, 400 P Street, Sacramento, CA
your safety. Since we cannot put everything on the first few 95814.
pages, READ THIS ENTIRE MANUAL BEFORE
ATTEMPTING TO INSTALL OR OPERATE THE
WATER HEATER. • Massachusetts Code requires this water heater to be
installed in accordance with Massachusetts 248-CMR 2.00:
State Plumbing Code and 248-CMR 5.00.
5