Capacity Control Methods in Refrigeration Vocational Training Equipment Refrigeration Laboratory Equipment

ZM7146 Capacity Control Methods in Refrigeration Vocational Training Equipment Refrigeration Laboratory Equipment

Mobile system for capacity control in refrigeration engineering

2 insulated cooling chambers with electric heater and evaporator with 2 fans

Chamber 1 with mechanical temperature control (intake pressure controller + thermostat), chamber 2 with electronic temperature control (case controller)

1 evaporator with additional defrosting heater

Compressor with adjustable speed, drive motor controlled via frequency converter

Refrigerant R134a, CFC-free

Condensing unit: refrigerating capacity: 560W at -5/25°C,

drive motor: 550W Cooling chamber: heater: 500W,

evaporator with 2 fans: capacity: 78W at 5°C/ΔT=7K, heat exchanger surface area: 1.12m²,

Max. airflow rate: 2x 50m³/h

Defrosting heater: 75W

Intake pressure controller: 0…5.5bar

Capacity controller: 0.2…6bar

Case controller: 7 inputs, 7 outputs

Measuring ranges: temperature: -60…50°C, power: 0…10kW, pressure: -1…9bar / -1…24bar