Whirlpool ES40R123 45D User Manual WATER HEATER Manuals And Guides 1203723L

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WATER

HEATERS

Installation
Instructions and
Use & Care Guide
To obstain technical, warranty, or service assistance during or after the
installation of this water heater, visit our website at:

http://www.whirlpoolwaterheatersupport.com
or call

tool free

1-877-817-6750
When

calling

for assistance,

1. Model

2.7 Digit Product
3. Serial Number

...................................................................
..................................................................

Water System

...................................................................

5

Electrical Requirements
.................................................................
Installation Checklist
......................................................................

7
9

Operating Your Water Heater .............................................................
Water Heater Start-Up
...................................................................
Regulation

......................................................

Energy Smart _ Module/Operational
Modes ...................................
Electronic Thermostat
....................................................................
Smart Grid Technology
..................................................................
Operational Conditions
...................................................................
Maintenance
of Your Water Heater ....................................................

of Purchase

10-12
10
10
11
12
13
14
15-23

Code (ESM) ..................................................................

17-18

Diagnostic

Code (ET) ....................................................................

19-20

Trouble Shooting Chart .....................................................................
Repair Parts illustration
...................................................................

21
22

Thermostat

23

Diagram

5. Place

ready:

3
4

Diagnostic

Wiring

of Installation

2
3-9

Unpacking Instructions
Location Requirements

Water Temperature

information

4. Date

PAGE

Water Heater Safety
............................................................................
Installing Your Electric Water Heater ...................................................

Piping

have the following

Number

Table Of Contents

PRINTED IN THE U.S.A 0411

please

Number

............................................................

LOW LEAD
COMPLIANT

PART NO. 318686-000

WATER HEATER SAFETY
Your safety and the safety or others are very important.
We have provided many important safety messages in this manual and on your appliance. Always read and obey all
safety messages.
This symbol alerts you to potential hazards that can kill or hurt you and others.
All
willsymbol.
follow the safety alert symbol and either the word "DANGER" or
Thissafety
is themessages
safety alert
"WARNING". These words mean:
DANGER: indicates an imminently hazardous situation
which, if not avoided, will result in death or injury.
WARNING: indicates a potentially hazardous situation
which, if not avoided, could result in death or injury.
All safety messages will tell you what the potential hazard is, tell you how to reduce the chance of injury, and tell you
what can happen if the instructions are not followed.

Important Safety Instructions
IMPORTANT: Hydrogen gas is produced in a hot water system served by this heater that has not been used for a long
period of time (2 weeks or more). Hydrogen is extremely flammable. To reduce the risk of injury under these
conditions, it is recommended that the hot water faucet be opened for several minutes at the kitchen sink before using
any electrical appliance connected to the hot water system. When hydrogen is present, there will probably be an unusal
sound such as air escaping through the pipe as the water begins to flow. There should be no smoking or open flame
near the faucet at the time it is open.

The California Safe Drinking Water and Toxic Enforcement Act requires the Governor of California to publish a list of
substances known to the State of California to cause cancer, birth defects, or other reproductive harm, and requires
businesses to warn of potential exposure to such substances.
• WARNING:
reproductive

This product contains a chemical
harm.

• This appliance

can cause low-level exposure

known to the State of California
to some of the substances

to cause cancer, birth defects, or other

listed in the Act.

INSTALLING

YOUR WATER HEATER

Consumer Information
This water heater should be installed in accordance
with the local code authority having jurisdiction, the
power company or electric utility, and this installation
manual. In the absence of local code requirements,
follow the regulations set forth in the latest edition of the
National Electric Code, NFPA70. This is available from
the following:

Insulation

Blankets

The use of an insulation blanket on this water heater is
not needed nor recommended. The purpose of an insulation blanket is to reduce the standby heat loss encountered with storage tank heaters. Your water heater meets
or exceeds the National Appliance Energy Conservation
Act standards with respect to insulation and standby loss
requirements, making an insulation blanket unnecessary.

National Fire Protection Agency
1 Batterymarch Park
Quincy, MA 02269
American National Standards Institute
1430 Broadway
New York, NY 10018

Unpacking the Water Heater

Check your phone listings for the local authorities
having jurisdiction over your installation.

Excessive Weight Hazard
Use two or more people to move and install
water heater.

Consumer Responsibilities
This manual has been prepared to acquaint you with
the installation, operation, and maintenance of your electric water heater and provide important safety information
in these areas.
We urge you to read all of the instructions thoroughly before attempting the installation or operation of this water
heater. This manual should be kept for future reference.

Failure to do can result in back or
other injury.
IMPORTANT: Do not remove any permanent instructions,
labels, or the data label from outside of the water heater or
on the inside of panels.
•

Remove exterior packaging and place installation
components aside.

The manufacturer of this water heater will not be liable for
any damages caused by failure to comply with the installation and operating instructions outlined in this manual.

•

Do not remove the envelope bag containing the
water heater literature from the side of the water
heater.

If you lack the necessary skills required to properly
install this water heater or you have difficulty following
the directions, you should not proceed but have a
qualified person perform the installation of this water
heater.

•

Inspect all parts for damage prior to installation and
start-up.

•

Completely read and understand all instructions
before attempting to assemble and install this product.
Replace this manual inside the envelope bag when
installation is complete.

Examples of a qualified personnel include:
licensed plumbers, authorized electric company personnel, and authorized service person.
Massachusetts code requires this water heater to be
installed in accordance with Massachusetts Plumbing
and Fuel Code 248-CMR 2.00: State Plumbing Code and
248-CMR 5.00.
A data plate identifying your water heater can be found
adjacent to the energy smart module. When referring to
your water heater always have the information listed on
the data plate readily available, to include the model and
serial number.
Retain your original receipt as proof of purchase.

•
•

After installation, dispose of packaging material in
the proper manner.

Location Requirements
Site location
Select a location near the center of the water piping
system. It must be installed indoors and in a vertical
position on a level surface, in an area where water
leakage will not cause consequential damage.

NOTE: Local codes and requirements in your area may
require the water heater to be installed such that the
bottom element is elevated from the floor at least 18
inches.

The water heater should be located in an area not
subject to freezing temperatures. Water heaters located
in unconditioned spaces (i.e., attics, garages, basements, etc.) may require the water piping and drain
piping to be insulated to protect against freezing. The
drain and controls must be easily accessible for operation and service.

NOTE: The water heater shall be located so it is not
subject to physical damage by moving vehicles or area
flooding.

Figure 2
Residential
Installation

Garage

Keep combustibles such as boxes, magazines, clothes,
etc., away from the water heater area.

! I

Do not use this water heater in conjunction with a spa or
hot tub.
Vehicle

IMPORTANT: The water heater should be located in
an area where leakage of the tank or connections will
not result in damage to the area adjacent to the water
heater or to lower floors of the structure. Due to the
normal corrosive action of the water, the tank will
eventually leak after an extended period of time.
Also, any external plumbing leak, including those
from improper installation, may cause early
failure of the water tank due to corrosion if not
repaired. If the homeowner is uncomfortable with
making the repair, a qualified person should be
contacted. A suitable metal drain pan should be
installed under the water heater as shown below. This
metal drain pan is to protect the property from damage
which may occur from normal condensate formation
on the tank or leaks in the tank and pipe connections.
The metal drain pan must limit the water level to a
maximum depth of 2-1/2 inches and be two inches
wider than the heater and piped to an adequate drain.
Locate the water heater near a
suitable indoor drain. Outdoor drains are subject to
freezing temperatures which can obstruct the drain
line. The piping should be at least 3/4"1D and pitched
for proper drainage.
Under
seller
water
follow

no circumstance will the manufacturer or
of this water heater be held liable for any
damage that is caused by your failure to
these instructions.

2 1/2" Max

t
Pipeto
adequate
drain
Atleast2"inchesgreaterthan
the diameter ofthewater
heater.
Figure 1

Stop

Drain
Metal Drain Pan

State of California
NOTE: The water heater must be braced, anchored, or
strapped to avoid moving during an earthquake. Contact
local utilities for code requirements in your area or call
1-877-817-6750 and request instructions.

Water System Piping
Piping Installation
Piping, fittings, and valves should be installedaccording
to the installation drawing (Figure 3). If the indoor installation area is subject to freezing temperatures, the
water piping must be protected by insulation.
Water supply pressure should be around 50 to 60 psi
and should not exceed 80 psi. If this occurs, a pressure
reducing valve should be installed in the cold water inlet
line. This should be placed on the supply to the entire
house in order to maintain equal hot and cold water
pressures.

Figure 3
Water Piping

Installation
In a Closed System use a
_.f

Thermal

Expansion

Pressure Reducing
HotWater

U

Outlet

_

umc

_

_

ValveWith

+

Cold
Water

_

1.

Min.

3.

Some local codes may require, and the manufacturer of this water heater recommends,
installing a mixing valve in the domestic hot water
line as shown in Figure 4. These valves reduce the
point-of-use temperature of the hot water by mixing
cold and hot water and are readily available.
Contact a licensed plumber or the local plumbing
authority.

4.

5.

,

,

If installing the water heater in a closed water
system, install a relief valve or expansion tank in
the cold water line as specified under "Closed
System/Thermal Expansion".
Install a shut-off valve in the cold water inlet line. It
should be located close to the water heater and be
easily accessible. Know the location of this valve
and how to shut off the water to the heater.
Install a discharge line from the temperature and
pressure relief valve in the opening marked "T & P
RELIEF VALVE". Install as specified under
"Temperature and Pressure Relief Valve".
After piping has been properly connected to the
water heater, open the nearest hot water faucet.
Then open the cold water shut off valve and
allow the tank to completely fill with water. To purge
the lines of any excess air and sediment, keep the
hot water faucet open for 3 minutes after a constant
flow of water is obtained. Close the faucet and
check all connections for leaks.

Water
bupply

Cold Water

t_

Fixtures
_

1"

The Installation of dielectric unions in both the hot
and cold water supply lines is recommended for
ease of removing the water heater for service or
replacement.

II

InletValve

T e2 perea Ruerlee__/da,v e

Discharge

2.

7

Supply to
I[]1

IMPORTANT:Always use a good grade of joint compound and be certain that all fittings are drawn up tight.

IMPORTANT:Some models may contain energy saving
heat traps to prevent the circulation of hot water within
the pipes. Do not remove these inserts.

Bypass

_

"

II

. _:"IT"-

IMPORTANT: Heat cannot be applied to the water fittings
on the heater as they may contain nonmetallic parts.
If solder connections are used, solder the pipe to the
adapter before attaching the adapter to the hot and cold
water fittings.

Install the water piping and fitting as shown in
Figure 3. Connect the cold water supply (3/4" NPT)
to the fitting marked "Cold". Connect the hot water
supply (3/4" NPT) to the fitting marked "Hot".

Tank.

I
LI_
I_ I 41--

_)

[

line 6" maximum

above drain
Drainline

%/
_liP-.
_::_

Metal Drain Pan ,_
2-1/2" depth

I

_4_,IrDum

,_'_

t_//Z_/,_2_4k..._

_
iM:t_aSla_haUSue_::relief
in cold water line per

Drain

section

19 MGL 142.

max.

Mixing 4Valve
Figure
Top Water Connections

Mixed Water
To Fixtures

t

Cold Water
_

Unmixed

Follow The Mixing Valve
Manufacturer's Instructions
Mixing Valve
(Set To 120 o F)

Inlet

Please note the following:
DO NOT install this water heater with iron piping.
The system should be installed only with piping that
is suitable for potable (drinkable) water such as
copper, CPVC, or polyethylene (PEX).
DO NOT use PVC water piping.

Temperature and Pressure
Relief Valve

Explosion

DO NOT use any pumps, valves, or fittings that are
not compatible with potable water.

Hazard

• Temperature-pressure
relief
valve must comply with ANSI
Z21.22-CSA 4.4 and ASME
code.

DO NOT use valves that may cause excessive
restriction to water flow. Use full-flow ball or gate
valves only.
DO NOT use tin-lead solder in potable water lines.
Use 95/5 tin antimony or other equivalent material.

• Properly sized temperaturepressure relief valve must be
installed in opening provided.

DO NOT tamper with the energy smart module,
electronic thermostat, temperature sensors, heating elements, electrical connections, or temperature
and pressure relief valve. Tampering voids all warranties. Only qualified person should service these
components.

• Can result in overheating
and excessive tank pressure.
• Can cause serious injury or
death.

DO NOT use with piping that has been treated with
chromate's, boiler seal, or other chemicals.
DO NOT add any chemicals to the system piping
which will contaminate the potable water supply.

Figure 5
Temperature
Relief Valve

and Pressure
Installation
Optional
F

Closed System/Thermal

models

Expansion
/_

Expansion
Tank
Capacity
Needed

40psi
50psi
60psi
70psi
80psi

40
2
2
2
2
5

50
2
2
5
5
5

66
5
5
5
5
5

Line

3/4inch
Do
not cap
min.or plug.

Drain

6inch
maximum

Pan

\
'

Drain

"__)

For protection against excessive pressures and
temperatures, a temperature and pressure relief valve
must be installed in the opening marked "T&P RELIEF
VALVE" (See Figure 5). This valve must be design certified by a nationally recognized testing laboratory that
maintains periodic inspection of the production of listed
equipment or materials as meeting the requirements
for Relief Valves for Hot Water Supply Systems, ANSI
Z21.22. The function of the temperature and pressure
relief valve is to discharge water in large quantities in the
event of excessive temperature or pressure developing in the water heater. The valve's relief pressure must
not exceed the working pressure of the water heater as
stated on the rating plate.

Expansion Tank Sizing Chart

30
2
2
2
2
2

Temperature
and
Pressure Relief Valve

Discharge

A properly-sized thermal expansion tank should be installed on all closed systems to control the harmful effects
of thermal expansion. Contact a plumbing service agency
or your retail supplier regarding the installation of a thermal expansion tank.

Water Heater Capacity

some

Ii,

Typically, a closed system includes a pressure reducing
valve (PRV) on the cold water inlet (supply line). As water
is heated, it expands (thermal expansion). In a closed system, the volume of water will grow. As the volume of water
grows, there will be a corresponding increase in water
pressure due to thermal expansion. Thermal expansion
can cause premature tank failure (leakage). This type of
failure is not covered under the limited warranty. Thermal
expansion can also cause intermittent temperaturepressure relief valve operation: water discharged from the
valve due to excessive pressure build up. The temperature-pressure relief valve is not intended for the constant
relief of thermal expansion. This condition is not covered
under the limited warranty.

Inlet
Water
Pressure

location
only

(Gallons)
82
5
5
5
5
5

IMPORTANT: Only a new temperature and pressure
relief valve should be used with your water heater. Do
not use an old or existing valve as it may be damaged or
not adequate for the working pressure of the new water
heater. Do not place any valve between the relief valve
and the tank.

A thermal expansion tank can help prevent damage to the
water heater and other appliances (i.e.: washing machine,
ice maker, dishwasher, etc.).
IMPORTANT: Do not plug or remove the temperature and
pressure relief valve (T&P valve).
6

The Temperature

& Pressure

Relief Valve:

•

Must be connected to an adequate discharge line.

•

Must not be in contact with any electrical part.

•

Must not be rated higher than the working pressure
shown on the data plate of the water heater.

The Discharge

Line:

•

Must not be smaller than the pipe size of the relief
valve or have any reducing coupling installed in the
discharge line.

•

Must not be capped, blocked, plugged, or contain
any valve between the relief valve and the end of
the discharge line.

•

Must terminate a maximum of six inches above a
floor drain or external to the building. In cold climates,
it is recommended that the discharge pipe be terminated at an adequate drain inside the building.

•

Must be capable of withstanding 250 ° F (121 oC)
without distortion.

•

Must be installed to allow complete drainage of
both the valve and discharge line.

6.

Spread the slit open and slip the insulation over
the cold water (inlet) pipe. Apply gentle pressure
along the length of the insulation to ensure it is fully
seated around the pipe. Also ensure that the base of
insulation is flush with the water heater. Once seated,
secure the insulation with duct tape, electrical tape, or
equivalent.

7.

Repeat steps 5 through 6 for the hot water (outlet)
pipe.
Add additional sections of pipe insulation as needed.

8.

Solar

Installation

If this water heater is used as a solar storage heater or
as a backup for the solar system, the water supply
temperatures to the water heater tank may be in excess
of 120 ° F (48.8° C). A mixing valve or other temperature
limiting valve must be installed in the water supply line to
limit the supply temperature to 120 ° F (48.8° C).
Note: Solar water heating systems can often supply water
with temperatures exceeding 180° F (82.2 ° C) and may
result in water heater malfunction.

T&P Relief Valve and Pipe Insulation"
1.

2.
3

Locate the temperature and pressure relief valve on
the water heater (also known as a T&P Relief Valve,
(Figure 6).
Locate the slit running the length of the insulation.
Spread this slit open and slip it up under the T&P
Relief Valve (See Figure 6). Apply gentle pressure to
the insulation to ensure it is fully seated on the T&P
Relief Valve. Once sealed, secure the insulation with
a section of duct tape, electrical tape, or equivalent.
IMPORTANT: The insulation or tape must not block
the discharge opening or hinder access to the manual
relief lever. Ensure a discharge pipe is installed into
the T&P valve discharge opening per the instructions
manual.

4.

Locate the hot water (outlet) & cold water (inlet) pipes
to the water heater.

5.

Locate the slit running the length of a section of pipe
insulation.

Figure 6
Temperature
Relief Valve

Electrical Requirements
Electric Shock Hazard
Disconnect

__

Lever

-_--

Replace all parts and panels
before operating.
ervicing.to do so can result in
Failure
death or electric shock.

Fire Hazard
Use 10 gauge solid copper wire.
Use a UL approved strain relief.
Connect ground wire to green
ground screw.
Failure to do so can result in
death, fire, or electrical shock.

and Pressure
Installation

_

power before

If you lack the necessary skills required to properly
install the electrical wiring to this water heater, do not
proceed, but have a qualified electrician perform the
installation.
When making the electrical connections, always make
sure:

T&P Relief V_

T&P Relief Valve
Drain Line

T&P Relief Valve Insulation

•

The electrical supply has the proper overload fuse
or circuit breaker protection.

•

Wire sizes and connections comply with all
applicable codes.

•

Wiringisenclosed
inapproved
conduit(ifrequired
bylocalcodes).
• Thewaterheaterandelectrical
supplyareproperly
grounded.
Alwaysreference
thewiringdiagram
forthecorrectelectricalconnection.
Thecomplete
wiringdiagram
canalsobe
foundonthetopofthewaterheaternearthejunctionbox
cover.
Wheninstalling
theelectrical
wiringtothewaterheater
• Although
thiswaterheaterisequipped
with"Dry-fire"
protection,
besurethetankiscompletely
filledwith
water,andallairispurgedfromthetankbefore
makinganyelectrical
connections
(SeeFigure7).

Figure 8
Wiring Diagram
Circuit

i

_rtGrid
Wir_ Harness

i

,

|
i|

Approved

I

Connectors

Breaker

_w/

/

, I_---o,_.

;

•,

i
i

",,
...........

d

/

To 240v
1 Phase
Power

supply

im
Electrical
Water

H eater

_"

i!r!_elnd

Service

inal

ground

Figure 7
Heating

Element

Figure 8A
Junction Box
Junction

Box Cover

/
From Home

NOTE: Applying electrical power to elements that are not submerged
in water will destroy them. The manufacturer
will not warranty any
elements damaged in this manner.

,

,

,

Check and turn off power to the electrical wiring of the
water heater before making any electrical connections
to the water heater.

Electrical

Service

RedWires
(3)

BlackWires

Remove the junction box cover that is secured by one
screw (Figure 8A). Place the cover and screw aside
and view the wiring diagram. Locate the four power
wires inside the junction box (there will be TWO red
wires and TWO black wires).
Connect the electrical supply to the water heater in
accordance with the local utility requirements and
codes. Astandard 1/2 inch opening has been made
in the junction box for the conduit connections (Figure 8A). NOTE: Use only 10 gauge solid copper wire
for the electrical connections and an appropriate size
double pole circuit breaker.

'2" Conduit
Connection

Figure 8B
Electronic Thermostat

(ET)

Electronic
Thermostat

Fire Hazard
Use 10 gauge solid copper wire.
Use a UL approved strain relief.
Connect ground wire to green
ground screw.
Failure to do so can result in
death, fire, or electrical shock.

Wiring

Harness

(Junction

Box)

Wiring Harness
( ET to ESM )\
Energy Smart c_
Module (ESM)

Ground
,

,

Ground the water heater by connecting the bare copper ground wire from the home's electrical service to
the green ground screw (located on the electrical junction box on top of the water heater). See Figures 8
and 8A.
There are TWO black wires and TWO red wires in the
water heater. The smaller red and black wires are
used by the Smart Grid connector.

( Attached

Wire

To T-Stat Bracket Screw )

,

,

Connect the black power wire from the home's electrical service to the heater's TWO black wires and
secure with the appropriate size wire nut. When you
are done, you will have THREE black wires under
one wire nut.
Locate and connect the remaining power wire (usually red, but in your home this wire may be some other
color) from the home's electrical service to the water
heater's TWO red wires and secure with the appro
priate size wire nut. When you are done, you will have
THREE red wires under one wire nut (depending on
the actual color of your home's electric wiring).

INSTALLATION

8.

Replace the junction box cover and secure with the
screw removed in step 2.

9.

Do not remove the Smart Grid cover from the Smart
Grid connector (Figure 8A) unless this feature is being used (see the "Smart Grid Technology" section
this manual).

10. Insure that the water heater is completely full of water.
Proceed to water heater start up in the "Operating
Your Water Heater" section of this manual.

CHECKLIST

Water Heater Location

Water System Piping

[]

Centrally located with the water piping system.

[]

[]

The flooring beneath the water heater must be able
to support the weight of the water heater when filled
with water.

Temperature and pressure relief valve properly
installed with a discharge pipe run to an adequate
drain and protected from freezing (See Figure 3).

[]

All piping properly installed and free of leaks.

[]

Located indoors and in a vertical position. Protected
from freezing temperatures.

[]

Suitable metal drain pan lines installed and piped to
an adequate drain (See Figure 3).

[]

Provisions made to protect the area from water
damage. Metal drain pan installed and piped to an
adequate drain.

[]

Heater completely filled with water (See Figure 3).

[]

Closed system pressure buildup precautions installed
(See "Closed System/Thermal Expansion" section).

[]

Mixing valve (when applicable) installed per manufacturer's instructions (see Figure 4).

[]

Sufficient room to service the water heater.

[]

The site location must be free from any corrosive
elements in the atmosphere such as sulfur, fluorine,
and chlorine. These elements are found in aerosol sprays, detergents, bleaches, cleaning solvents,
air fresheners, paint, and varnish removers, refrigerants, and many other commercial and household
products.

Electrical Connections
[]

Wiring and connections comply with all applicable
codes.

[]

Water heater and electrical supply are properly
grounded.

[]

Proper overload fuse or circuit breaker protection
installed.

OPERATING

YOUR WATER HEATER
Water Temperature
Regulation

Water Heater Start-Up
1.

Carefully read and understand the section, "Water
Temperature Regulation" section of this manual. If
the instructions are not clear, contact a qualified
person.

2.

Make sure the water heater has been properly
installed. See "Installing Your Water Heater" section.

3.

Completely fill the tank water, Open faucet to allow
air to purge (see page 5, step 7).

4.

After the tank is completely filled with water, turn on
power to the water heater at the breaker panel.

,

6.

Power to the water heater will allow the water heater
to run a system diagnostic. This typically takes eight
minutes. Once complete, proceed to the next step.
NOTE: if the system diagnostic yields any codes,
reference the Diagnostic Code section in this manual.

Water temperature
over 125°F can cause
severe burns instantly or death from
scalds.

Adjust the thermostat to the desired temperature
setting as described under "Adjusting the User Interface Module/Operational Modes" section.

Children, disabled, and elderly are at
highest risk of being scalded.
Feel water before bathing

Figure 9

Temperature
limiting
recommended.

IMPORTANT: Operation of this water heater without
access doors or insulation could result in much higher
water temperatures than the desired set point,

increasing the risk of scald injury.
Do not operate water heater with
the accessdoors or insulation
removed.
Access Doors

or showering.

valves are

The water heater is adjusted to a temperature setting of
no higher than 120° F when shipped from the factory.
Water temperature can be regulated by adjusting the Energy Smarte Module to the preferred setting as shown in
"Adjusting the Energy Smart ¢ Module/Operational Mode".
The preferred starting point is 120° R There is a hot water
scald potential if the temperature set point is set too high.

Ca

<

"-El

Important: Adjusting the temperature past 120° F on the
Energy SmarP Module will increase the risk of scald injury
in the times shown below. The use of a mixing valve is
recommended.

IMPORTANT: Do not attempt to operate this water heater
if the temperature sensor(s), electronic control board, or
surrounding insulation has been exposed to water in any
way. Immediately call a qualified service technician to
inspect the water heater and replace any temperature
sensor(s), electronic control board, or insulation that has
been exposed to water. Do not attempt to repair these
parts. Water heaters subjected to flood conditions or any
time the temperature sensor(s) or electronic thermostat
have been submerged in water require replacement of the
entire water heater.

110°F (43°C)
116°F (47°C)
116°F (47°C)

Safety Shut-Off

shower

(pain

temp.)

threshold)

35 minutes

45 minutes

122°F

(50°C)

1 minute

5 minutes

131°F

(55°C)

5 seconds

25 seconds

140°F

(60°C)

2 seconds

5 seconds

149°F

(65°C)

1 second

2 seconds

154°F

(68°C)

(U.S. Govemment

This water heater is designed to automatically shut-off in
the event that the water temperature exceeds 180 ° F
(82.2° C). A temperature limit switch, or ECO (Energy Cut
Off), is used to shut off the power to the system if the water temperature exceeds 180 ° F or 82.2 ° C. The ECO can
be reset by firmly pushing in the red reset button located
on the electronic thermostat (see Figure 10Aon page 12).
If the ECO continues to shut-off the water heater contact a
qualified person.

(normal

instantaneous
Memorandum,

1 second

C.RS.C., Peter L Armstrong, Sept. 15,1978)

When leaving your home for extended periods (vacations, etc.) set the water heater to Vacation Mode. See
"Adjusting the Energy Smarte Module/Operational Modes"
section. This will maintain the water at low temperatures
with minimum energy losses and prevent the tank from
freezing during cold weather.
NOTE: When returning from an extended stay remember
to set the water heater back to the desired Operational
Mode.
10

Adjusting the Energy Smart ®Module/Operational

Modes

Water Temperature Adjustment
IMPORTANT: Before attempting to adjust the thermostat, read the "Water Temperature Regulation" section on page 10.
If the instructions are not clear, contact a qualified person.
The water temperature can be adjusted from 80 ° F to 150 ° F. Use the Up and Down Buttons |
desired temperature.

Operating

Mode Descriptions

©

to set the

Figure 10: Energy Smart '_ Module (ESM)

The operating modes can be changed by touching
the desired mode icon on the Energy SmarP Module
(See Figure 10). NOTE: All buttons on the Energy
Smart ¢ Module are touch sensitive and require only a
light touch to actuate.
ENERGY SMART ®- This mode is
used to save energy by monitoring
usage and adjusting the set point
to match the water draw usage pattern (Temperature set point can be
changed).

|

Operational
Mode Buttons

Element

Water
Temperature

Functioning
Icon

\

j

STANDARD - Pressing this button
will allow the temperature set point
to be set directly.

Set Point

Control
Lock

®

®

VACATION MODE - The controller adjusts the water temperature
to approximately 60°R This mode
is recommended when the water
heater is not in use for a long period
of time. This mode minimizes energy consumption and prevents the
water heater from freezing during
cold weather.

Temperature I
Up (Increase)
Button
_
Fahrenheit/
f
Celsius Temperature Display
Button

°F/°C

E_

c=Jl
!

ELEMENT

Temperature
Down (Decrease)
Button

\
LCD Display Panel
Lock Button

GRID ENABLED - Pressing this
button will enable or disable a request for grid control (see page 13).
Energy Smart _'
Module (ESM)

CONTROL PANEL LOCK - Holding
this button for more than 3 seconds
switches the lock mode on or off.
When the User Module is locked, a
symbol and "Lock" text will be visible
on the display.

i

Panel

Icon

Electronic
Thermostat.
(ET)

- Thisshowthe
button switches
the
I_ °F/°C
displayto
set temperature
in Fahrenheit or Celsius.
Fault condition will display an "E"
followed by two digit fault code with
Alert Icon flashing. (see diagnostic
code chart page 17).
Element Functioning Icon -indicates
power is on at either upper or lower
element circuits and both are working properly.

NOTE: The Electronic Thermostat (ET) is designed so that it
may control the water heater without the Energy Smart ® Module
(ESM) being operated, see page 12.

11

The Electronic Thermostat
IMPORTANT: The Energy Smart s Module (ESM) must
be removed before attempting to access the thermostat.
NOTE: for the Electronic Thermostat (ET) changes to remain in effect the Energy Smart s Module (ESM) must no._[t
be reconnected, also read the "Water Temperature Regulation" under the "Operating Your Water Heater" section. If
the instructions are not clear, contact a qualified person.

Electrical Shock Hazard
Do not remove the plactic
guard from over wiring.
Do not touch electrical wiring.

The Energy Smart s Module (ESM) is intended to serve
as the primary interface for operating the water heater;
however, the Electronic Thermostat (ET) may control the
water heater in the absence of the Energy Smart s Module
(ESM).

Failure to do so can result in
death or electrical shock.
Figure 10A
Electronic Thermostat

The Electronic Thermostat consists of an electronics box
that contains a low voltage power supply, the thermostat
set point knob, relays to switch between the upper and
lower heating elements, one control thermistor, a connector for the lower element control thermistor, microelectronics to convert the thermistor signals and perform switching and other logic functions, and a connector to tie the
Electronic Thermostat (ET) to the Energy Smart s Module
(ESM) located on the front of the water heater jacket. The
majority of the self-diagnostics are located in the Electronic
Thermostat (ET), including the dry-fire protection intelligence. The thermostat circuit is designed so that when the
upper heating element calls for heat, the power is directed
to that element even if the lower element is also calling for
heat.

Diagnostic

Low Voltage

Diagnostic

(ET)

Wiring --.--,''_

LED Light

@

©

Knob

LED Light

The Green/Red LED light indicates the status of the electronic thermostat (See Figure 10A).
• Green LED will signal normal operation. The green
LED will blink 2 times per second to indicate that power is
applied to the upper heating element and at a faster rate
(4 times per second) to indicate that the lower heating element is powered.

Plastic Guard
( Remove Only After Power Is Turned Off
When Replacing Element, see page 16 )

Figure 10B
Electronic Thermostat

• Red LED will flash error codes. If a fault is detected by
the electronic thermostat, the LED light indicator will use
the red LED to indicate the fault detected. The flash code
sequence is to consist of 1/2 second flashes of the red
LED each separated by a 1/2 second off period.

Energy SmaW
Module

(ESM)
Electronic

The number of flashes indicates the fault code number.
(See diagnostic code chart section in this manual).

Thermostat,

Thermostat

After the last 1/2 second "on" period, the LED will remain
off until a total of 5 seconds has elapsed for the fault indication cycle (there is a 5 seconds delay before the fault
flash pattern repeats). After the 5 seconds are completed,
the fault indication cycle is repeated starting with the first
1/2 second-flash. The flash sequence will be repeated as
long as the fault remains. Only one fault can be declared
at a time. NOTE: the green LED is turned offwhen a fault
code is being displayed, even though the heater may be
operating in limp mode with an element on. See diagnostic code chart section in this manual.

Overriding

(ET)

Thermistor
Wire Harness

Junction
Wiring

Harness

The Energy Smart ®

Module (ESM)
If the Energy Smart s Module (ESM) is not working, simply
unplug the interface module and turn the set point knob
on the Electronic Thermostat (ET) to the desired temperature (See Figures 10A & 10B). To replace a broken or
damaged ESM module, see page 22 for ordering information.

NOTE: Smart Grid will be disabled when the Energy
SmarP Module (ESM) is disconnected from the junction
box wiring harness.
12

Smart Grid Technology
The electric Smart Grid will enable significant improvements in electric power reliability and quality through reduction of
peak power demand, while providing consumers the knowledge and ability to manage their energy consumption and utility
costs.
According to the Department of Energy (DOE), since
1982 the growth in peak electricity demand has
exceeded power transmission growth. This has caused
more frequent blackouts and service interruptions, as
well as an increase in the costly reserve capacity the
power grid requires to meet higher peak demands.
The increased demand for electrical power across the
nation has also led to higher peak utility costs.

Electric Shock Hazard
Disconnect power before
servicing.
Replace all parts and panels
before operating.
Failure to do so can result in
death or electric shock.

Smart appliances are one way to help mitigate this
problem. By using advanced digital communication
technologies, smart appliances will be able to
communicate with local power company or home
energy management systems, and react accordingly
to save energy and money. For example, during peak
demand periods the water heater may pause or delay
its power consumption and thus reduce the load on the
smart utility grid. Additionally, smart appliances will also
communicate with consumers to let them know how
much energy they are consuming. This will eventually
allow consumers to control their appliances, manage
energy usage, and to ultimately save money.

Figure 10C
Smart Grid Connection
jf

jz

Grid Communication
_/

(May Be Supplied
(May Differ

j/

"-_

Adaptor

By Power Company)
in Appearance)

Smart Grid Control
(Where Available)
Where available, Grid Communication Adaptors may be
supplied by the local power company or purchased from
leading retailers. Please contact your local power company for more information.
Junction

Grid Connection

Box

Pins

To activate Smart Grid Control, remove the cover over
the grid connection pins and plug in the grid communication adaptor. See Figure 10C. NOTE: use only Whirlpool
- approved grid communication adaptors. This will enable
the power company to communicate the peak demand
periods for the water heater's power usage.

Figure 10D
Smart Grid Control

ed/oSSing
this button

will enable

r disable a request

After this connection has been made, simply
mart Grid Control

press
the "Grid
Enabled"
button
to enable
and/
or disable
a request
for grid
control.
See Figure
10D. Enabling this feature will allow acceptance
of the power company communication of grid management requests. Disabling this feature will allow the water
heater to ignore grid management requests.

ENERGY
SMART

STANDARD

VACATION

GR_D
ENABLED

EL.I

NOTE: Smart Grid will be disabled when the Energy
SmarP Module (ESM) is disconnected from the junction
box wiring harness (see page 12).

13

t

_

GRID

LOCK

for

_

J_

i

Operational

Conditions

Anode Rod/Water

Water Heater Sounds

Odor

Each water heater contains at least one anode rod,
which will slowly deplete (due to electrolysis) prolonging
the life of the water heater by protecting the glass-lined
tank from corrosion. Adverse water quality, hotter water
temperatures, high hot water usage, hydronic heating devices, and water softening methods can increase the rate
of anode rod depletion. Once the anode rod is depleted,
the tank will start to corrode, eventually developing a leak.

During the normal operation of the water heater,
sounds or noises may be heard. These noises are
common and may result from the following:

Certain water conditions will cause a reaction between the
anode rod and the water. The most common complaint
associated with the anode rod is a "rotten egg smell"
produced from the presence of hydrogen sulfide gas dissolved in the water. CAUTION: Do not remove this rod
permanently as it will void any warranties. A special anode
rod may be available if water odor or discoloration occurs.
NOTE: this rod may reduce but not eliminate water odor
problems. The water supply system may require special
filtration equipment from a water conditioning company to
successfully eliminate all water odor problems.

• The majority of the rods diameter is less than 3/8".
• Significant sections of the support wire (approx. 1/3 or
more of the anode rod's length) are visible.
If the anode rod show signs of either or both it should be
replaced (see Figure 11). NOTE: Whether re-installing or
replacing the anode rod, check for any leaks and immediately correct if found.
Figure 11
Anode Rod
PITTED
ANODE
ROD

EXPOSED
SUPPORT
WIRE

_,_,k,,=_
F

EXPOSED

_._.. _t._ __,,_
,_

='_#/

_t.,._

q_ZC,_'.,L.Z'_'

Sediment buildup in the tank bottom will create
varying amounts of noise and may cause
premature tank failure. Drain and flush the tank as
directed under "Draining and Flushing".

Stacking occurs when a series of short draws of hot
water (3 gallons or less) are taken from the water heater
tank. This causes increased cycling of the heater elements and can result in increased water temperatures at
the hot water outlet. An anti-scald device is recommended
in the hot water supply line to reduce the risk of scald
injury. Use of a mixing valve is encouraged.

The following are typical (but not all) signs of a depleted
anode rod:

_

2.

Certain water usage patterns can cause the water temperature to exceed the thermostat setting. This is known
as "Stacking".

The anode rod should be inspected after a maximum of
three years and annually thereafter until the condition of
the anode rod dictates its replacement. NOTE: artificially
softened water requires the anode rod to be inspected
annually.

;

Normal expansion and contraction of metal parts
during periods of heat-up and cool-down.

Stacking

Artificially softened water is exceedingly corrosive because the process substitutes sodium ions for magnesium and calcium ions. The use of a water softener may
decrease the life of the water heater tank.

_--_" _

1.

SUPPORT
WIRE

,._
_

See "Replacing the Anode Rod" in the maintenance section
page 15.

14

MAINTENANCE

OF YOUR WATER HEATER

If you lack the necessary skills required to properly service this water heater or you have difficulty following the
instructions, you should not proceed but have a qualified person perform the maintenance of this water heater.

Draining and Flushing

Temperature
Relief Valve

It is recommended that the tank be drained and flushed
every 6 months to remove sediment which may buildup
during operation. The water heater should be drained if
being shut down during freezing temperatures. To drain
the tank, perform the following steps:

Explosion

1.

Turn off the power to water heater.

2.

Open a nearby hot water faucet until the water is no
longer hot.

,

4.
,

,

7.

Close the cold water inlet valve.
Connect a hose to the drain valve and terminate it
to an adequate drain or external to the building.

• Properly sized temperaturepressure relief valve must be
installed in opening provided.

Open the water heater drain valve and allow all the
water to drain from the tank. Flush the tank with
water as needed to remove sediment.

• Can result in overheating
and excessive tank pressure.

Close the drain valve and refill the tank (open the cold
water inlet valve), and restart the heater as directed
in this manual. CAUTION: Do not turn on power to
the water heater unless it is completely filled with
water. To ensure that the tank is full, open a hot water
faucet and allow water to run until the air is purged
and the water flows uninterrupted from the
faucet.

• Can cause serious injury or
death.

Manually operate the temperature and pressure relief
valve at least once a year to make sure it is working
properly. To prevent water
Figure 12
damage, the valve must
|
Temperature
and Pressure
be properly connected to
|
Relief Valve
|
_,
Manual Relief
a discharge line which
terminates at an adequate
drain.

Turn the electrical power on to turn the water heater
on. NOTE: the water heater will conduct a system
diagnostic prior to operation.

I1(
I,,,v

Standing clear of the outlet
(discharged water may be
hot), slowly lift and release
the lever handle on the
Discharge
line to drain
temperature and pressure
relief valve to allow the valve to operate freely and return
to its closed position. If the valve fails to completely reset
and continues to release water, immediately disconnect
the electrical power, close the cold water inlet valve and
call a qualified person.

Replacing the Anode Rod
2.
,

,

Turn off the power to the water heater.
Shut off the water supply and open a nearby hot
water faucet to depressurize the water tank.
Drain approximately 5 gallons of water from the
tank. (Refer to "Draining and Flushing" for proper
procedures.) Close drain valve.
Remove the old anode rod (See Figure 11).

5.

Use Teflon ®tape or approved pipe sealant on
threads and install new anode rod.

6.

Turn on the water supply and open a nearby hot
water faucet to purge all air from the water system.

7.

Restart the heater as directed in this manual. Turn the
electrical power on to turn the water heater on.
NOTE: the water heater will conduct a system diagnostic prior to operation. See the "Repair Parts Illustration" for anode rod location on page 22.

Teflon _ is a registered

trademark

of E.I. Du Pont De Nemours

Hazard

Temperature-pressure
relief
valve must comply with ANSI
Z21.22-CSA 4.4 and ASME
code.

If the water heater is going to be shut down for an extended period, the drain valve should be left open.

,

and Pressure

and Company.

15

Heating Element
Replacement
Figure 14
Element and Thermistor

Lower Thermistor Sensor
(Must Have Good Contact With Tank,

Sensor

Electrical
Disconnect
servicing.

Shock Hazard

2.

Drain the water heater as directed under "Draining
and Flushing" section.
Remove the access cover(s), then remove the insulation and element cover(s). Remove the plastic guard
covering electric wiring.

4.

/1

--._
Element

/1

Spud _

{

/I/1

--

_

_

/1
/1

/1
/1

Gasket
Tank j

Replacement heating elements must be of the same
style and voltage/wattage rating as the ones originally
in the water heater. This information can be found on
the flange or terminal block of the element or on the
water heater data plate.
Turn off the electric power to the water heater.

/1

Sensor Bracket _.1_

Sirew-in

1.

4_

Element)

power before

Replace all parts and panels
before operating.
Failure to do so can result
in death or electrical shock.

3.

Check After Replacing

,

,

9.

Disconnect the electric wires from the heating
element (See Figure 13). Remove the screw-in
element by turning the element counterclockwise
with an SAE 1-1/2inch socket wrench or use an element wrench. Remove the existing gasket.

/I

Close the drain valve. Open the nearest hot water
faucet and allow the tank to fill completely with
water. To purge the lines of any excess air and
sediment debris, keep the hot water faucet open for
3 minutes after a constant flow of water is obtained.
Close the faucet.
Check for leaks around element(s) and other connections.
Connect the electric wires to the heater element.
make sure all wires are secure. Reinstall plastic guard
covering wiring.

10. Replace the insulation and access door(s).
IMPORTANT:Operation of this water heater without
access doors or insulation could result in much higher
temperatures than the desired set point, increasing the
risk of scald injury. Do not operate water heater with the
access doors or insulation removed.

Figure 13
Element Wiring
Connection
Lower Thermistor
Sensor

11. Reconnect the electric power to the water heater.
12. Turn the electrical power on to turn the water heater
on. NOTE: the water heater will conduct a system
diagnostic prior to operation.

Ground
Wire (green)

Element

Screws

5.

Clean the area with a soft cloth to remove any debris
where the gasket fits to the tank. If replacing the bottom element, remove the accumulated sediment on
the bottom of the tank. Refer to "Draining and Flushing."

6.

Make sure the replacement element has the correct
voltage and wattage rating. Lubricate the new gasket
with a few drops of dishwashing soap, position the
new gasket on the element and insert it into the water
heater tank (See Figure 14). Tighten the element by
turning it clockwise until secure.

16

Diagnostic Code Chart Energy Smart ® Module (ESM)

(

IMPORTANT: Before attempting to adjust the thermostat, read the "Water Temperature Regulation"
section page 10.

ENERGY
SMART

The Electronic Thermostat (ET) is designed so
that it may control the water heater without the
Energy SmarP Module (ESM) being operated,
see page 12.

STANDARD

VACATION

GR_O
E.AB[ED

I EI
Error

Code

!

-Alert

Icon

If the instructions are not clear, contact a qualified
person.

U.F q

INDICATES

(ESM) ERROR CODE

CORRECTIVE ACTION*

E01

with an alert Icon flashing.

Dry-fire, electrical power on with the tank not
completely full of water.

1. Turn off electrical power at breaker, add water.
2. Turn on electrical power at breaker.
3. See "Water Heater Start-Up" on page 10.

E02

with an alert Icon flashing.

Water temperature

1.
2.
3.
4.

E03

with an alert Icon flashing.

Upper thermistor sensor failure.
(Note: Upper thermistor sensor is part of
the ET)

1. Turn off electrical power at the breaker.
2. Replace Electronic Thermostat (ET).
3. Turn on electrical power at breaker.

E04

with an alert Icon flashing.

Upper element circuit failure.
(Note: Lower element is still operable)

1. Turn off electrical power at the breaker.
2. Check element circuits for resistance of 5-25 ohms (replace if required).
3. Check wires at elements and Electronic Thermostat (ET) for damage.
If this 4 flashes condition continues, replace Electronic Thermostat (ET).
4. Turn on electrical power at breaker.

E05

with an alert Icon flashing.

Lower element circuit failure.

1. Turn off electrical power at the breaker.
2. Check element circuits for resistance of 5-25 ohms (replace if required).
3. Check wires at elements and Electronic Thermostat (ET) for damage.
If this 5 flashes condition continues, replace Electronic Thermostat (ET).
4. Turn on electrical power at breaker.

exceeded

(Note: Upper element

E06

with an alert Icon flashing.

Electronic Thermostat
(Internal processor).

E07

with an alert Icon flashing.

Lower thermistor

E08

E09

with an alert Icon flashing.

with an alert Icon flashing.

Energy Smart
failure.

Electronic

®

high limit.

is still operable)

(ET) failure

sensor failure.

Module(ESM)

Thermostat

(ET) error.

Turn off electrical power at the breaker.
Press the reset button (see Figure 10A).
Turn on electrical power at breaker.
If error returns call a service technician for assistance.

1. Turn off electrical power at the breaker. Now turn on electrical power to
see if error clears. If error has not cleared, replace Electronic Thermostat (ET).
2. Turn on electrical power at breaker.

1.
2.
3.
4.

Turn off electrical power at the breaker.
Check electrical connections at Electronic
Replace Lower Thermistor Sensor.
Turn on electrical power at breaker.

(ET).

1.
2.
3.
4.

Turn off electrical power.
Check wires at the interface module for damage.
If this 8 flashes condition continues, replace module (ESM).
See "Overriding The Interface Module (ESM)" by unplugging from the
Electronic Thermostat (ET) on page 12. NOTE: Electronic Thermostat
(ET) will continue to be operate, hot water will still be available.
5. Turn on electrical power at breaker.
1. Turn off electrical

power.

El0

2. Check wiring at Electronic Thermostat
3. Turn on electrical power at breaker.

Ell

4. If this code flashes condition
Thermostat (ET).

E12

Thermostat

continues,

(ET) for damage.
replace the Electronic

*These instructions are brief and intended as guidance for a qualified person. If you lack the necessary
skills to perform these procedures call 1-877-817-6750 for assistance.
17

INDICATES

(ESM) ERROR CODE
E51

with an alert Icon flashing.

A failure to communicate

E71

with an alert Icon flashing.

with an alert Icon flashing.

CORRECTIVE ACTION*
1. Turn off electrical power at the breaker, check all electrical
and wiring for damage.
2. Replace the Electronic Thermostat (ET).
3. Turn on electrical power at breaker.

connections,

Energy Smart® Module (ESM) is receiving the
wrong data from the Electronic Thermostat
(ET).

1. Turn off electrical power at the breaker, check all electrical
and wiring for damage.

connections,

Energy Smart® Module
failure.

1. Turn off electrical power at the breaker, check all electrical
and wiring for damage.
2. Turn on electrical power at breaker.
3. If error returns call service technician for assistance.

Thermostat

E52

with the Electronic

(ET).

(ESM) thermistor

2. Replace the Energy Smart® Module (ESM), if this does not correct the
problem, also replace Electronic Thermostat (ET).

*These instructions are brief and intended as guidance for a qualified person. If you lack the necessary
skills to perform these procedures call 1-877-817-6750 for assistance.
18

connections,

Diagnostic Code Chart Electronic Thermostat (ET)
IMPORTANT: Before attempting to adjust the thermostat, read the "Water Temperature Regulation"
section page 10.

Setpoint
Knob
Diag
LED Light

The Electronic Thermostat (ET) is designed so
that it may control the water heater without the
Energy Smart_ Module (ESM) being operated,
see page 12.

Electrical

Shock

Hazard

Do not remove the plactic
guard from over wiring.
Do not touch electrical wiring.

If the instructions are not clear, contact a qualified
person.

(ESM)
ERROR

CODE

(ET)
DIAGNOSTIC
LIGHT ON
(Green

E02

E03

E04

E05

E06

E07

INDICATES

CORRECTIVE

Normal operation.

None

No electrical
or diagnostic

1. Check for blown fuses or tripped breaker.
2. If diagnostic LED light is burned out, replace
(ET).

power to control board
LED light burned out.

1 FLASH

Dry-fire,

(Red)

tank not completely

2 FLASHES

Water temperature

(Red)

limit.

3 FLASHES

Upper thermistor

(Red)

(Note: Upper thermistor
part of the ET)

4 FLASHES

Upper element

(Red)

(Note: Lower element

5 FLASHES

Lower element

(Red)

(Note: Upper element is still operable)

6 FLASHES
(Red)

Electronic Thermostat
(Internal processor).

7 FLASHES

Lower thermistor

8 FLASHES
(Red)

ACTION*

LED

electrical

power on with the
full of water.

exceeded

high

1. Turn off electrical

Electronic

Thermostat

power at breaker, add water.

2. Turn on electrical power at breaker.
3. See "Water Heater Start-Up" on page 10.

1. Turn off electrical

power at the breaker.

2. Press the reset button (see Figure 10A).
3. Turn on electrical power at breaker.
4. If error returns call a service technician for assistance.

sensor failure.
sensor is

circuit failure.
is still operable)

circuit failure.

(ET) failure

sensor failure.

(Red)

E08

Failure to do so can result in
death or electrical shock.

--

Flash)

NO LIGHT

E01

Plastic Guard

Energy Smart ® Interface
Module(ESM) failure.

1. Turn off electrical

power at the breaker.

2. Replace Electronic Thermostat (ET).
3. Turn on electrical power at breaker.

1. Turn off electrical
power at the breaker.
2. Check element circuits for resistance of 5-25 ohms (replace if required).
3. Check wires at elements and Electronic Thermostat (ET) for damage.
If this 4 flashes condition continues, replace Electronic Thermostat (ET).
4.
Turn on electrical power at breaker.

1. Turn off electrical power at the breaker.
2. Check element circuits for resistance of 5-25 ohms (replace if required).
3. Check wires at elements and Electronic Thermostat (ET) for damage.
If this 5 flashes condition continues, replace Electronic Thermostat (ET).
4. Turn on electrical power at breaker.

1. Turn off electrical power at the breaker. Now turn on electrical power to
see if error clears. If error has not cleared, replace Electronic Thermostat (ET).
2. Turn on electrical power at breaker.

1.
2.
3.
4.

Turn off electrical power at the breaker.
Check electrical connections at Electronic Thermostat
Replace Lower Thermistor Sensor.
Turn on electrical power at breaker.

1. Turn off electrical power.
2. Check wires at the interface

(ET).

module for damage.

3. If this 8 flashes condition continues, replace module (ESM).
4. See "Overriding The Interface Module (ESM)" by unplugging

from the

Electronic Thermostat (ET) on page 12. NOTE: Electronic Thermostat
(ET) will continue to be operate, hot water will still be available.
5. Turn on electrical

power at breaker.

*These instructions are brief and intended as guidance for a qualified person. If you lack the necessary
skills to perform these procedures call 1-877-817-6750 for assistance.
19

(ESM)
ERROR CODE

(ET)
DIAGNOSTIC

INDICATES

E9

9, 10, 11 or 12 FLASHES

El0

(Red)

Ell
E12

CORRECTIVE

ACTION*

LED
Electronic

Thermostat

(ET) error

1.
2.
3.
4.

Turn off electrical power.
Check wiring at Electronic Thermostat (ET) for damage.
Turn on electrical power at breaker.
If this code flashes condition continues, replace the Electronic
Thermostat (ET).

*These instructions are brief and intended as guidance for a qualified person. If you lack the necessary
skills to perform these procedures call 1-877-817-6750 for assistance.
2O

Troubleshooting

Chart

PROBLEM

POSSIBLE

CAUSE(S)

CORRECTIVE

ACTION*

NO HOT WATER

1. No power to heater.
2. High temperature limit shut-down.
3. Defective sensor.

1. Refer to "E02" of Diagnostic Code Chart- page 17.
2. Refer to "E03 or E07" of Diagnostic Code Chart- page 17.
3. Refer to "No Light" of Diagnostic Code Chart- page 19.

INSUFFICIENT

1.
2.
3.
4.
5.
6.
7.

Defective lower element.
Temperature set too low.
Sediment or lime in tank.
Defective Dip Tube.
Heater too small for job.
Wrong piping connections.
Leaking faucets and/or plumbing
system.
8. Wasted hot water.
9. Long runs of exposed pipe.
10.Hot water piping on outside wall.

1.
2.
3.
4.
5.
6.
7.

1.
2.
3.
4.

1.
2.
3.
4.

Lower
Drain,
Install
Repair

5.
6.
7.
8.

Advise customer.
Insulate piping.
Insulate piping.
Replace elements.

HOT WATER

HIGH OPERATION

COSTS

5.
6.
7.
8.

Temperature set too high.
Sediment or lime in tank.
Heater too small for job.
Leaking faucets and/or plumbing
system.
Wasted hot water.
Long runs of exposed piping.
Hot water piping in exposed wall.
Elements covered with sediment or
lime.

Refer to "E05" of Diagnostic Code Chart- page 17.
Set temperature to desired setting.
Drain, determine if water treatment is needed.
Replace Dip Tube.
Check and Install adequate water heater.
Correct piping.
Repair faucets and any leaks in the plumbing system.

8. Reduce hot water usage.
9. Insulate piping.
10.Insulate piping.
temperature control or change to Energy Smart ® Mode.
Flush-Provide water treatment if needed.
adequate heater.
faucets and any leaks in the plumbing system.

SLOW HOT WATER RECOVERY

1. Upper element defective.
2. Leaking faucets and/or plumbing
system.

1. Refer to "E04" of Diagnostic Code Chart- page 17.
2. Repair faucets and any leaks in the plumbing system.

DRIP FROM T&P VALVE

1. Excessive water pressure.
2. Closed system.
3. Defective T&P valve.

1. Use pressure reducing valve and pressure relief valve (See
page 6).
2. See page 6, "Closed System/Thermal
Expansion".
3. Replace T&P valve.

1. Sulfides in the water.

1. See page 14, "Anode Rod/Water

WATER ODOR

Odor".

*These instructions are brief and intended as guidance for a qualified person. If you lack the necessary
skills to perform these procedures call 1-877-817-6750 for assistance.
21

REPAIR PARTS ILLUSTRATION

@

®
Repair Parts

ITEM

PARTS DESCRIPTION

No.

Repair parts may be ordered through your plumber,
local distributor, home improvement center, or by calling
1-877-817-6750.
When ordering repair parts, always
give the following information:
1.

Model, serial and product number

2.

Item number

3.

Parts description

Repair

Parts List

Legend
4)' Special anode rod (See page 14)
• Temperature and Pressure Relief Valve is required, but may not
be factory installed.
A Specify element type when ordering.

22

1

ENERGY

2

UPPER

SMART

MODULE

ELEMENT

h_,

3

ELEMENT

4

ELECTRONIC

5

ACCESS

(ESM) W/WIRING

HARNESS

GASKET
THERMOSTAT

(ET)

DOOR

6

LOWER ELEMENT

7

DRAIN

8

TEMPERATURE

9

JUNCTION

10

NIPPLE

11

HEAT TRAP

12

DIP TUBE

13

ANODE

14

THERMISTOR

15

SMART

A

VALVE
AND PRESSURE

RELIEF

BOX COVER

ROD

•
SENSOR

GRID WIRE HARNESS

ASSEMBLY

VALVE

•

THERMOSTAT

WIRING DIAGRAM

FUSEDDISCONNECT
OR CIRCUITBREAKER

:.i-'.i
BRANCH CIRCUIT

g

Nj

Based on N.E.C.

ELECTRONIC
THERMOSTAT(ET)

®

WATT
LOAD

®

@

a--

BLUE

o_
UPPER_
ELEMENT"_,.#t..1

p,n

TEMPERATURE
SENSOR

Recommend
Over Current
Protection Rating
120
V
15
20
30
30

B--1500"
2000
2500
3000
3500
4000
4500
5000
5500

SIZING GUIDE

NFPA NO. 70 - 1999

208
V
15
15
15
20
20
25
30
30

240
V
15
15
15
15
20
20
25
30
30

Wattages less than 1500 may be wired
15 amp protection.

BLUE _

i

\
BLACK

I

I

J LOWER

_

ELEMENT

MODULE(ESM)
ENERGYSMART

k

i

d_l

-GROUND
SCREW

ELECTRICAL
SERVICE
GROUND

319165-000G

23

Copper Wire Size
AWG Based on
N.E.C.
Table310- 16 (60°C)
120
208
240
V
V
V
12
14
14
10
14
14
10
14
14
8
12
12
10
12
10
10
10
10
10
10
10
14 gage with a maximum

® Registered trademark/TM trademark of Whirlpool, U.S.A.
© 2011 Whirlpool Corporation. All rights reserved.
Energy Smart® is a trademark of American Water Heater Company
Manufactured under license by American Water Heater Company, Tennessee.
Warranty provided by manufacturer.



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