Slim type units – JB series

 Slim type units

Slim type evaporating unit or air cooler

Description

Slim type units for small cold rooms, designed as compact evaporating units or air coolers for efficient and reliable refrigeration performance.

CONSTRUCTION

  • Aluminium casing with thermosetting polyester paint.
  • Hinged condensate tray.

FANS

  • AC axial fan motor(s).

REFRIGERATION CIRCUIT

  • Refrigeration circuit made of annealed copper tube.
  • Refrigeration connections to be brazed, with suction line trap integrated in direct expansion units.
  • Electronic expansion valve integrated in the R744 unit (JB-NE version).
  • Solenoid valve in liquid line and expansion valve not included in R290 units (JB-ND version).
  • Solenoid valve in liquid line and adjustable thermostatic expansion valve integrated in the R455A unit (JB-NN version).

HYDRAULIC CIRCUIT

  • Threaded hydraulic connections on glycol or water units (JB-NH version).
  • Integrated on/off control solenoid valve on glycol or water units (JB-NH version).

COIL

  • High-efficiency air cooling coil, with copper tubes and aluminium fins, with fin spacing of 4 and 6 mm in high temperature, 5 and 6 mm in positive temperature and 6 mm in negative temperature.
  • Flexible electric drain heater operating during the opening of the liquid solenoid valve for negative temperature units.
  • Integrated evaporating coil and cold room probes.
  • Air defrost.

CONSTRUCTION

  • Heating kit for high and positive temperature units, except for R290 units (JB-ND version).
  • External steam humidification kit + steam lances for high and positive temperature units.
  • Integrated steam lances for high and positive temperature units.

FANS

  • EC fan(s) in high and positive temperature units.

REFRIGERATION CIRCUIT

  • Subcooled liquid line in R455A negative temperature unit (JB-NN version).
  • Valves not included in R744 or R-455A units (JB-NE or JB-NN version).
  • Electronic expansion valve in R455A unit (JB-NN version).

HYDRAULIC CIRCUIT

  • On/off control solenoid valve not included on glycol or water units (JB-NH version).
  • Flow regulating valve supplied loose. (Accessory)
  • Flow regulating valve with on/off actuator supplied loose. (Accessory)

COIL

  • Electric defrost by heaters.
  • Hot gas defrost in R290 or R455A units (JB-ND or JB-NN versions).
  • Humidity probe in high and positive temperature units.
  • Epoxy coating for the evaporating coil.
  • Aqua Aero® anti-corrosion coating for copper tube and fin coil.
  • Drain heater in positive temperature units.
  • Change of fin spacing (by request).