Soft Serve Information; Overrun; Rerun - ELECTRO FREEZE SLX400E Operator's Manual

Genesis series
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ELECTRO FREEZE Soft Serve Models SLX400E, SLX500
12

Soft Serve Information

12.1

Overrun

As mix is frozen in the freezing cylinder,
air is incorporated into the mix to increase
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 perform
the following steps:
1. Place an empty pint container on the
scale* and adjust your scale to zero.
2. Remove container from scale 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 procedures:
1. Store rerun mix in a clean, sanitized
container.
2. Store in a cooler with a temperature
below 40° F (4.4° C).
3. DO NOT prime the machine with
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
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.
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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