Our Refrigerated Trailers

Refrigeration Unit Specifications


  • Zanotti 'Uniblock AS-R are monoblock units, trough wall mounting type
  • The main characteristic is the casing and the refrigerating system suitable for outside use without any particular protection against atmospheric agents
  • The refrigerating unit is equipped with hermetic compressors, complete with crankcase heater, double solenoid valve and system to control the condensing pressure (pressure switch for condensor fans for models 121-123-221-135, or electronic speed regulator for models 235-335-340)
  • Defrost is trough hot gas injection, expansion through capillary tube. The refrigerant used is R404A
  • The casing is especially built to protect at the maximum level the internal refrigerating system; the air inlet of the condensor comes from the lower part of the unit while the air outlets is from the front part.
  • The unit is controlled by an electronic card which controls all functions and it is protected by a lockable door. TO simplify the electrical connections, the unit is fitted with an external socket-plug
  • Airthrow = 4m

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