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CONTROLLER
CONTROLLER
CONTROLLER / DISPLAY
The display should be checked daily to ensure that
the correct temperature is being maintained.
BLAST CHILLER (WBC)
BLAST CHILLER FREEZER (WBCF)
BLAST CHILLER (WMBC)
Principles of Operation
Williams Blast Chillers / Chiller Freezers / Blast
Freezers have been designed to quickly reduce
the temperature of food in accordance with the
Department of Health Guidelines on the chilling and
freezing of cooked foods. All operators should be
conversant with the latest European Food Safety
Legislation.
Further information is also contained in the
Williams Guide to Cook Chill which is available from
the Williams Marketing Department +44 (0)1553
817000.
Fast temperature reduction is not brought about
by placing the food in a very cold cabinet like a
deep freeze coldroom for example. This would
only dry the food badly and would take a very long
time to reduce its temperature to the required level
increasing the risk to food safety. The secret of fast
temperature reduction is in delivering the correct
blast of air and ensuring correct and unobstructed
horizontal air ow inside the cabinet.
Williams range of Blast Chillers feature the option of
soft and hard facility on blast chill oering exibility
and ensures food stays in prime condition whether
it is delicate pastries or sh, or heavier items such as
lasagne and meat casseroles.
Exceptions: depending on the density types and
sizes of the portions the chiller / freezer might not
be capable of achieving the required guidelines
therefore the load and / or depth of the food layers
should be reduced. You may nd it necessary,
therefore, to experiment with dierent amounts
of food and loading methods in order to achieve
the optimum performance with your blast chiller /
freezer.
Operation of Blast Chillers / Chiller Freezers
Initially the appliance will be in a standby mode,
shown by 3 dashes (---) in both display windows.
The cabinet needs to have run at least half an hour
before being used.
All Blast Chillers have 3 basic modes:
1. Blast Chill Soft +1°C (34°F)
2. Blast Chill Hard -10°C (14°F)
3. Default Storage +1°C (34°F) to +3°C (37°F)
(dependant on selected cycle)
Combination Blast Chiller Freezers have 2 further
modes:
4. Freezer Storage -18°C (0°F) to -22°C (-8°F)
5. Blast Freeze -25°C (-13°F)
Dedicated Blast Freezers have the same two modes.
Store Mode
During store mode (with no alarm condition or
defrost cycle running) the left hand window will
display the previous blast cycle duration and
the right hand window will display the store
temperature. Some chillers have more than 1
fan installed these may not all operate during the
storage mode, giving a reduced air circulation within
the chiller.
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