1.our ice cream machine with Mitsubishi tech compressor ... 4+1/8Hp(two compressors, small one for pre-cooling system, keep temp at+5°C) Coolant: R22/R404a ... its high efficiency, low temp, and commercial used in ice cream machine 2. Beater: high force beater motor3. ... formation ratio indicating and formation animation display9 problems alert system, low mix alert, belt skid alert, refrigeration trouble ...