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Reduced Flood Water Temperature

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  rev. 2008-11-25        

Existing Conditions

Flooding the ice typically accounts for 12% of the ice surface refrigeration requirements.  When the flood water temperature is too high, the following problems and inefficiencies will occur:

The boiler will use more fuel to attain the higher temperature.  It will also operate at a lower efficiency.
The ice surface will pond, taking a longer time to freeze.
The refrigeration equipment will use more energy to freeze the water.
If the flood water also supplies the domestic hot water, there can be a risk of scalding in the showers.

The DHW and flood water temperature is presently maintained at xxx°F by the DHW heating aquastat.

Retrofit Conditions

It is recommended that a fixed aquastat be installed to control the water temperature to 120°F. Experiment with lower temperatures to find the lowest flood water temperature that can be used without affecting ice quality.


Further Benefits




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