SR2018 Heat Pump for Cooling and Heating Operation Didactic Equipment Educational Laboratory Bench Skills Training Equipment Refrigerator Trainer Brand: ShouldShine
Model: SR2018
Learning Objectives / Experiments
- design, operation and key components of a heat pump or refrigeration system
- representation of the thermodynamic cycle in the log p-h diagram
- comparing different operating modes
- measurement of compressor capacity and heating or cooling capacity in the glycol-water circuit
- determination of
* efficiency
* coefficient of performance of heat pump and
refrigeration system
* specific compressor load
* compressor pressure ratio
* specific cooling capacity
* specific refrigeration capacity
- comparing key figures of heat pump and
refrigeration system
Specification
[1] air-to-water heat pump for cooling or heating operation
[2] different operating modes selectable via solenoid valves
[3] refrigeration circuit with compressor, condenser (heat exchanger with fan), 2 evaporators with fan (refrigeration and freezing stage)
[4] glycol-water circuit with tank, pump and coaxial coil heat exchanger
[5] coaxial coil heat exchanger and heat exchanger with fan can both be used as condenser or evaporator in the refrigeration circuit
[6] 1 thermostatic expansion valve each for all heat exchangers and evaporators
[7] 1 additional evaporation pressure controller and 1 capillary tube for the refrigeration stage evaporator
[8] displays for temperature, pressure, flow rate and power consumption of the compressor
[9] software for data acquisition with USB under Windows Vista or Windows 7
[10] refrigerant R134a, CFC-free Technical Data
Compressor
- refrigeration capacity: 934W at -6,7/55°C
- power consumption: 620W at -6,7/55°C
Heat exchanger with fan
- transfer area: 1,25m², volumetric air flow
rate: 650m³/h, capacity: 1148W at DT=15K
Evaporators with fan
- refrigeration stage
* transfer area: 1,21m², volumetric air flow
rate: 80m³/h, capacity: 140W (tL1=5°C, DT1=10K)
- freezing stage
* transfer area: 3,62m², volumetric air flow
rate: 125m³/h, capacity: 330W (tL1=5°C, DT1=10K)
Coaxial coil heat exchanger
- capacity: 1,6kW at 0°C; DT=9K
Measuring ranges
- temperature: 11x -50...150°C
- pressure: 2x -1...15bar, 1x -1...24bar
- flow rate (refrigerant): 1x 4...40L/h
- flow rate (glycol-water): 1x 2,5...65g/s
- power: 0...1150W
Dimensions and Weight
LxWxH: 2210x800x1900mm
Weight: approx. 330kg
Required for Operation
230V, 50/60Hz, 1 phase or 120V, 60Hz/CSA, 1 phase
Water connection
