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ELECTRO FREEZE Soft Serve Models SLX400, SLX400E, SLX500
12
Soft Serve Information
12.1
Overrun
As mix is frozen in the freezing cylinder,
air is incorporated into the mix to in-
crease its volume, as well as enhance
the taste and texture of the finished
product. The increase in volume is
called overrun. Fifty percent overrun
translates to a volume increase of 50%
— 10 gallons of liquid mix has become
15 gallons of finished product.
Controlled overrun is important to
maintain consistency in product quality.
Too much overrun (air) results in a light,
fluffy product lacking the cold, refreshing
appeal of a quality product. Too little
overrun results in a wet, heavy product.
To correctly measure the overrun per-
form the following steps:
the scale* and adjust your scale to zero.
and fill the container to the top with
liquid mix. Place container on scale and
record the weight.
12.2
Rerun
Rerun is product that has been drawn
through the freezer into a container and
has melted down to be re-processed.If
local health codes permit the use of
rerun make sure to follow these proce-
dures:
sanitized container.
ture below 40° F (4.4° C).
rerun. Always skim off and discard foam
— then mix the rerun with fresh mix in a
ratio of 50/50 and add to the hopper
during operation.
34
1. Place an empty pint container on
2. Remove container from scale
1. Store rerun mix in a clean,
2. Store in a cooler with a tempera-
3. DO NOT prime the machine with
3. Replace liquid mix with frozen
product, being sure to leave no voids or
air spaces in the container.
4. Strike off the excess product so it
is even with the top of the container and
measure the weight.
5. Use the following formula to
figure overrun percentage:
"Weight of liquid mix minus weight of
frozen product/divided by the frozen
weight. Multiply by 100." See example.
Example:
Weight of 1 pint of mix
Weight of 1 pint
frozen product
Difference
6 oz. divided by 12 oz.
.5 x 100
*Your Electro Freeze Distributor can
provide a scale (P/N HC158049) that is
graduated in overrun percentage.
4. Once a week, run the mix as low
as possible and discard after closing.
uct from Freezer (see Section 9.2). This
will break the rerun cycle and reduce
the possibility of high bacteria and
coliform counts.
NOTE: Rerun product is unable to
accept the same amount of air as
fresh product. As a result, the quality
will be affected and the product may
appear grainy and icy.
For further information contact your
local Electro Freeze Distributor or the
Service Department of H. C. Duke &
Son, LLC. at (309) 755-4553, (800) 755-
4545, or e-mail service@electrofreeze.com.
=
18 oz.
=
12 oz.
=
6 oz.
=
.5
= 50% overrun
184584
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