Simulator has been designed specifically for educational aims: it simulates the operation of a split-type air conditioning system with inverter that modulates the compressor r.p.m. according to the deviation from the set point of the room temperature actual value. It enables to verify the system behavior and to assess the value of the concerned parameters such as heating or cooling power, after the set points of reference variables have been fixed.
This simulator must necessarily be connected with a PC (supplied on demand).
TRAINING PROGRAM
• Studying the operation of a split-type refrigeration machine for domestic air conditioning
• Studying the transformation the air undergoes when crossing an evaporation and condensation battery, with the aid of the psychrometric chart
• Thermal factor
• Studying the pressure-enthalpy diagram of a refrigerant
• Heat balances on refrigerant side and on air side
• Analyzing the operation of a 4-way cycle reversing valve
• Proportional and ON/OFF control
TECHNICAL SPECIFICATIONS
• Color panel reproducing the air-conditioning system
• Board for data acquisition and control of output signals to the actuators
• Connection with PC via USB cable
• 4 potentiometers for simulating the following analog inputs:
– outdoor air temperature
– room air temperature
– room air relative humidity
– thermal factor
• 7 bar-graph LEDs for simulating the following analog outputs:
– compressor r.p.m.
– cooling power
– heating power
– cooling air flow
– heating air flow
– outdoor air enthalpy
– indoor air enthalpy
• 2 switches for simulating the following digital inputs:
– system enabling
– seasonal switching (summer/winter)
• 5 LEDs for simulating the following digital outputs:
– compressor alarm
– cooling circuit alarm
– heating circuit alarm
– summer cycle operation
– winter cycle operation
• Application software developed
• Power supply: 230 Vac 50 Hz single-phase – 200 VA (Other voltage and frequency on request)
