Gefriergerät Stirling Ultracold SU780XLE

Stirling Ultracold SU780XLE upright ultra-low temperature freezer, built by Global Cooling Inc. (Athens, Ohio) and rated for storage down to -86 degrees C. The cabinet provides 27.5 cu. ft. (780 liter) of interior storage and uses free-piston Stirling engine cooling rather than a conventional cascade compressor system, with a small hydrocarbon (ethane) refrigerant charge. Setpoints are entered through the color touchscreen controller in the green upper console (photos 1 and 2). The manufacturer's nameplate on this unit (photo 5) reads model SU780XLE, serial number 19100-11015, year produced 2019, interior volume 27.5 cu. ft. (780 liter), net weight 625 lbs. (283 kg), exterior dimensions 78.5 in. H x 34.2 in. front-to-back x 36 in. W (1994 x 869 x 914 mm), input 120-240 VAC 50/60 Hz, maximum current 10 Amps at 120 VAC (5 Amps at 240 VAC), 1200 Watts maximum input power, and Ethane refrigerant 3.2 oz (90 g) with refrigerant pressures of 490 psi at 25 C and 10 psi at -80 C. The plate carries UL Listed and CE marks. The interior is divided by insulated inner doors with molded green handles (photo 3) and is fitted with stainless steel shelves on adjustable side standards (photo 4); the freezer is shown empty and defrosted, with its detachable power cord coiled on a shelf. The cabinet rolls on casters. An ENERGY STAR badge, biohazard labels and a facility asset/monitoring tag are applied to the door and console from the prior installation.