ASR2045 Conditioning of Room Air Educational Equipment Refrigerator Training Equipment
Learning Objectives / Experiments
– Air conditioning of room air
* set-up of an air conditioning system: main components and their function
* variables in air conditioning
* measure temperature and air humidity
* effect of the air flow
* changes of state in the h-x diagram
– Set-up of a refrigeration system: main components and their function
– Measurements in the refrigeration circuit
* cyclic process in the log p-h diagram
* determine heating and cooling capacities
Specification
[1] Effect of typical air conditioning system components on the conditioning of room air
[2] Air conditioning system with open air duct
[3] Air conditioning system with air cooler, steam humidifier, fan, air preheaters and reheaters
[4] All components can be switched on and off individually
[5] Determination of the air flow by differential pressure measurement using an inclined tube manometer
[6] Combined sensors for the air humidity and temperature before and after each stage
[7] Sensor for the pressure and temperature of the refrigerant
[8] Data acquisition with LabVIEW software under Windows XP or Windows Vista via USB
[9] Software with representation in the log p-h and h-x diagram
[10] Refrigerant AR134a, CFC-free
Steam humidifier
– power consumption: 4kW
– steam capacity: 5,5kg/h, switchable in three stages
Fan
– power consumption: 190W
– max. volume flow: 810m³/h
– speed: 500…1150min-1
– dpmax: 420Pa
Air preheater: 2kW, switchable in two stages
Air reheater: 1kW, switchable in two stages
Air duct, WxH: 300x350mm
Direct evaporator as air cooler: 6kW
Condensing unit
– power consumption: 968W at 5/25°C
– refrigeration capacity: 2,3kW at 5/25°C
Measuring ranges
– differential pressure (air flow): 0…100Pa
– temperature: 5x 0…50°C, 4x -100…200°C
– humidity: 5x 0…100%
– pressure (refrigerant): 2x 0…16bar
– flow rate (refrigerant): 8…102L/h
Dimensions and Weight
LxWxH: 2565x790x1750mm
Weight: approx. 180kg
Connections
400V, 50Hz, 3 phases or 230V, 60Hz, 3 phases
Water connection and drainage
