FIELD: refrigerating engineering; industries where manufactured ice is used. SUBSTANCE: ammonia refrigerating machine includes compressor, water-cooled condenser, throttle valve, evaporation and automatic control devices fitted on frame. Entire unit is arranged in hermetic housing provided with detachable cover. Housing is connected to communication line with inert gas reservoir and to environment communication line which is connected to ammonia emergency discharge pipe line. Frame is provided with wheels and is mounted on guides located in hermetic casing. EFFECT: improved environment control. 4 cl, 9 dwg
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