Double-flow units – JD series

CONSTRUCTION

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

FANS

• Low-speed AC axial fans.

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 in R744 unit (JD-NE version).
• Solenoid valve in liquid line and adjustable thermostatic expansion valve integrated in the unit, in R455A units (JD-NN version).

HYDRAULIC CIRCUIT

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

COIL

• High-efficiency air cooling coil, with copper tubes and aluminium fins, with fin spacing of 4 mm in high temperature and 6 mm in positive temperature.
• Integrated evaporating coil and cold room probes.
• Air defrost.

CONSTRUCTION

• Heating kit for high and positive temperature units.
• External steam humidification kit + steam lances for high and positive temperature units.
• Integrated steam lances for high and positive temperature units.
• G3 filter.

REFRIGERATION CIRCUIT

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

HYDRAULIC CIRCUIT

• On/off control solenoid valve not included on glycol or water units (JD-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 R-455A units (JD-NN version).
• 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).