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This image shows a specification plate from a Bohn Heat Transfer unit cooler/freezer system, model MPE3003F, which appears to be relevant to the Air Force's walk-in freezer repair solicitation. The unit is UL listed (648L certification) and manufactured by Bohn Heat Transfer, a Division of Wickes Manufacturing Company in Danville, Illinois.

The specifications indicate the system operates on 208/230V power with both fan motors and defrost heaters. The fan motors run on Circuit 1 with 6.0 total amps, while Circuit 2 contains defrost heaters drawing 27.6 amps. The unit includes coil defrost heaters (1845W at 230V, 8.0 amps) and drain pan heaters (1820W at 230V, 7.9 amps). The system is designed for use with R12 R22 R502 refrigerants and has a design pressure rating of 200 PSIG. This technical information would be relevant for contractors bidding on the freezer repair solicitation FA4800-25-Q-A011.