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18 • Residen al Electric Water Heater Use and Care Guide
INSTALLATION
18 • Residen al Electric Water Heater Use and Care Guide
Smart Grid Technology
The electric Smart Grid will enable sig-
nifi cant improvements in electric power
reliability and quality through reduc on
of peak power demand, while providing
consumers the knowledge and ability to
manage their energy consump on and
u lity costs.
According to the Department of
Energy (DOE), since 1982 the growth
in peak electricity demand has exceed-
ed power transmission growth. This
has caused more frequent blackouts
and service interruptions, as well as an
increase in the costly reserve capac-
ity 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.
Smart appliances are one way to
help mitigate this problem. By using
advanced digital communication tech-
nologies, smart appliances will be
able to communicate with local power
company or home energy manage-
ment systems, and react accordingly
to save energy and money. For exam-
ple, 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 ulti-
mately save money.
Smart Grid Control
(Where Available)
Where available, Grid Communica on
Adaptors may be supplied by the local
power company or purchased from lead-
ing retailers. Please contact your local
power company for more informa on.
To ac vate Smart Grid Control, remove
the cover over the grid connec on pins
and plug in the grid communica on
adaptor. See Figure 10. NOTE: use only
approved grid communica on adaptors.
This will enable the power company to
communicate the peak demand periods
for the water heater’s power usage.
A er this connec on has been made,
this will enable and allow acceptance of
the power company communica on of
grid management requests. Unplugging
will disable this feature and will allow
the water heater to ignore grid manage-
ment requests.
NOTE: Smart Grid will be disabled when
the Grid Communica on Adaptor is dis-
connected from the junc on box wiring
harness.
Smart Grid Connec on
Figure 10
Grid Connection
Pins
Junction Box
Grid
Communication
Adaptor
(May Be Supplied By Power Company)
(May Dier in Appearance)
WARNING! Electrical Shock Hazard
Disconnect power before servicing.
Replace all parts and panels before
opera ng.
Failure to do so can result in death or
electrical shock.
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