Bench Top Mechanical Heat Pump Trainer
MODEL NO-RAC-003
Origin: India
DESCRIPTION:
The “LabTek” air-to-water heat pump trainer consists of a compressor, an evaporator with fan, a thermostatic expansion valve and a coaxial coil heat exchanger as condenser. All components are clearly arranged in the trainer.
The compressed refrigerant vapour condenses in the outer pipe of the condenser and thereby discharges heat to the water in the inner pipe. The liquid refrigerant evaporates at low pressure in the finned tube evaporator and thereby absorbs heat from the ambient air.
The hot water circuit consists of a tank, a pump and the condenser as heater. For a continuous operation the generated heat is dissipated via an external cooling water connection. The cooling water flow rate is set via a valve and measured.
FEATURES
- Design and operation of an air-to-water heat pump
- Representation of the thermodynamic cycle in the log p-h diagram
- Energy balances
- Determination of important characteristic variables
- Compressor pressure ratio
- Ideal coefficient of performance
- Real coefficient of performance
- Dependence of the real coefficient of performance on the temperature difference (air-to-water)
- Operating behavior under load
SPECIFICATION:
- Compressor
Capacity: 372W at 7,2/32°C
- Coaxial coil heat exchanger (condenser)
Refrigerant content: 0,55L
Water content: 0,3L
- Finned tube evaporator
Transfer area: approx. 0,175m2
- Pump
Max. Flow rate: 1,9m3/h
Max. Head: 1,4m
- Hot water tank volume: approx. 4,5L
- Refrigerant: R134a/22/A
Filling volume: 1kg
CO2-equivalent: 0,6t
- Measuring ranges
Pressure: 2x -1…15bar
Temperature: 4x 0…100°C, 2x -100…100°C
Power: 0…6000W
Flow rate: 0…108L/h (water)
Flow rate: 10…160L/h (cooling water)
- Required for operation
230V, 50Hz, 1 phase
230V, 60Hz, 1 phase
DIMENSIONS AND WEIGHT
- L x W x H (approx.): 1600 x 800 x 1600 mm
- Weight (approx.): 185 kg
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