STORAGE TIMES
Chilled foods can be stored for up to 5 days at between 0°C (32°F) and +3°C (37°F).
Frozen foods can be stored for longer periods, in general, for up to 8 weeks without loss of nutrients
or palatability. Beyond 8 weeks those foods with a high fat content may display some signs of
rancidity. Nevertheless, some other foods can be stored for periods longer than 8 weeks. Frozen food
must be stored at between -18°C/0°F and -22°C/-8°F or below.
Important: Once thawed, frozen food should not be re-frozen.
PRINCIPLES OF OPERATION
Williams Blast Chillers and Chiller Freezers have been designed to quickly reduce the temperature of
food in accordance with Department of Health Guidelines on the chilling and freezing of cooked foods.
All operators should be conversant with Department of Health publication, Chilled and Frozen
Guidelines on Cook-Chill and Cook-Freeze Catering Systems. HMSO Number 0113211619.
Further information is also contained in the Williams Guide to Cook Chill which is available from
Williams Marketing Department - +44 1553 817000.
Fast temperature reduction is not brought about by placing the food in a very cold cabinet like a deep
freeze. 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 flow inside the
cabinet.
Williams cabinets feature the option of soft and hard facility on blast chill offering flexibility and ensures
food stays in prime condition whether it is delicate pastries or fish, 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 find it necessary, therefore, to experiment with different amounts of food and
loading methods in order to achieve the optimum performance with your blast chiller/freezer.
Blast Chiller (WBC)
Blast Chiller Freezer (WBCF)
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