nsible for its content.
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10 CFR Ch. II (1106 Edition)
� 431.191
air furnace, instantaneous water heat-
er, storage water heater, or unfired hot
water storage tank.
Flue loss means the sum of the sen-
sible heat and latent heat above room
temperature of the flue gases leaving
the appliance.
Industrial equipment means an article
of equipment, regardless of whether it
is in fact distributed in commerce for
industrial or commercial use, of a type
which:
(1) In operation consumes, or is de-
signed to consume energy;
(2) To any significant extent, is dis-
tributed in commerce for industrial or
commercial use; and
(3) Is not a covered product as de-
fined in Section 321(2) of EPCA, 42
U.S.C. 6291(2), other than a component
of a covered product with respect to
which there is in effect a determina-
tion under Section 341(c) of EPCA, 42
U.S.C. 6312(c).
Private labeler means, with respect to
a commercial HVAC & WH product, an
owner of a brand or trade mark on the
label of a product which bears a private
label. A commercial HVAC & WH prod-
uct bears a private label if :
(1) Such product (or its container) is
labeled with the brand or trademark of
a person other than a manufacturer of
such product;
(2) The person with whose brand or
trademark such product (or container)
is labeled has authorized or caused
such product to be so labeled; and
(3) The brand or trademark of a man-
ufacturer of such product does not ap-
pear on such label.
Subpart KDistribution
Transformers
S
OURCE
: 70 FR 60416, Oct. 18, 2005, unless
otherwise noted.
� 431.191
Purpose and scope.
This subpart contains energy con-
servation requirements for distribution
transformers, pursuant to Part B of
Title III of the Energy Policy and Con-
servation Act, as amended, 42 U.S.C.
62916309.
� 431.192
Definitions concerning dis-
tribution transformers.
Distribution transformer means a
transformer that
(1) Has an input voltage of 34.5 kilo-
volts or less;
(2) Has an output voltage of 600 volts
or less; and
(3) Is rated for operation at a fre-
quency of 60 Hertz; however, the term
distribution transformer does not in-
clude
(i) A transformer with multiple volt-
age taps, the highest of which equals at
least 20 percent more than the lowest;
(ii) A transformer that is designed to
be used in a special purpose application
and is unlikely to be used in general
purpose applications, such as a drive
transformer, rectifier transformer,
auto-transformer, Uninterruptible
Power System transformer, impedance
transformer, regulating transformer,
sealed and non-ventilating trans-
former, machine tool transformer,
welding transformer, grounding trans-
former, or testing transformer; or
(iii) Any transformer not listed in
paragraph (3)(ii) of this definition that
is excluded by the Secretary by rule be-
cause
(A) The transformer is designed for a
special application;
(B) The transformer is unlikely to be
used in general purpose applications;
and
(C) The application of standards to
the transformer would not result in
significant energy savings.
Low-voltage dry-type distribution trans-
former means a distribution trans-
former that
(1) Has an input voltage of 600 volts
or less;
(2) Is air-cooled; and
(3) Does not use oil as a coolant.
Transformer means a device con-
sisting of 2 or more coils of insulated
wire that transfers alternating current
by electromagnetic induction from 1
coil to another to change the original
voltage or current value.
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