R 408.18155 Frying machines and vats; construction .

Rule 8155. (1) A frying machine or vat shall be insulated or guarded where burns can result from accidental contact with the outside covering . (2) A frying machine or vat shall be equipped with an automatic temperature control. In addition, the machine or vat shall have an over temperature control device unadjustable and preset below the flash point of the frying fat which will turn off the heating device . (3) An automatic frying machine or vat with an internal heating device shall be equipped with a low level frying fat cut off device designed to turn off the heat device when the fat level is less than 1 inch above the heating tubes or elements . (4) Where forced draft or an automatic damper is used for exhausting combustion fumes, it shall be interlocked with the fuel supply valve of the frying machine or vat . (5) If the frying machine or vat is designed with a closed combustion chamber, a time delay relay shall be installed, in connection with the exhauster, to purge the chamber before ignition can be made . (6) The heat transfer piping shall be installed to allow for natural expansion of the pipe . (7) Where a separate heat exchanger is used in conjunction with a frying machine or vat, subrules (1), (2), and (8) shall be followed for the heat exchanger . (8) A frying machine or vat shall be equipped with a device which will shut off the fuel supply if the pilot or burner flames out .