... Two Danfoss compressor in parallel Mixture gas 218Liters, -10C ~ -86C. Recorder,Remote alarm, CO2 back up CE mark Temperature range: -10~ -86( ... page 14, Audible and visual alarm: High or low temperature alarm, Power failure alarm, Low battery alarm, Door ajar alarm, Filter blocking alarm ... display. 17. 4units Casters for easy handing 18. Mixture gas with R134a,R404a,R23,R24,N2,R600a and more, CFC ...