§ 37.203. Walk-in freezers.
When storage facilities of walk-in freezer type are used the following requirements shall apply:
(1) Frozen food in storage shall be on dunnage, pallets, racks or skids, and shall be stored so as to permit free circulation of refrigerated air.
(2) The facility shall be equipped with a thermometer, the sensing element of which shall be located within the upper third of the distance between floor and ceiling. The sensing elements shall not be placed in a direct blast of air from cooling units, cooling coils and heat exchange devices, or near the entrance door.
(3) The facility shall be equipped with an automatic mechanism for defrosting refrigerated coils when forced air blower refrigeration is used.
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