training board made in aluminium and white plast with thermostatic and electronic expansion valve
-refrigerant: R 134a or R 152a; outside dimensions: 700mm x 500mm x 810mm; weight: 32.5 kg
-glass tube evaporator ø6 x 4mm, at least 16 tubes high
-1/2 HK compressor
-rest proof expansion valve with nozzle 0 parallel connected to electronic expansion valve
-electronic expansion valve controlled by controller with superheat optimizing. A stand alone controller with several communication possibilities
-3 gauges measuring suction pressure by the compressor, evaporator pressure and the discharge pressure
-3 digital thermometers showing the temperatures of the refrigerant inlet into the glass tube evaporator, the outlet of the evaporator and temperature around the evaporator
-filter drier with the capacity of drying 6,5 kg refrigerant from 1050 ppm to 75 ppm
-sight glass indicating green when below 30 ppm and yellow beyond 30 ppm; Solenoid valve H; high/low pressure cut-out
-suction pressure regulator ; Heat exchanger with solder connections
-70W heating element for extra load and axial ventilator to circulate air around the evaporator
Access to service valve on both suction and discharge side for recovering, evacuating and charging.