State-of-the-art Engineering Equipment
TH-204 | HEAT PUMP APPARATUS
- Investigation of a heat pump with a water circuit as load.
- Refrigeration circuit with compressor, evaporator with ventilator, thermostatic expansion valve, and coaxial coil heat exchanger as condenser.
- EC ventilator enables very high load variability.
- Hot water circuit with pump, tank, and condenser as heater.
- Additional cooling via pipe coil in the hot water tank and external cooling water.
- Record and display of all relevant measured values.
- Refrigerant mass flow rate precisely calculated via software.
- LxWxH: 1630x800x1900 mm.
- Weight: approx. 195 kg.
Description
Technical Specification
Media
A heat pump usually extracts the energy from the environment. Common energy sources are air, groundwater, ground or river water. An energy source temperature which is as high and constant as possible is the key for high efficiency. The heat pump circuit consists of a compressor, an evaporator with ventilator, a thermostatic expansion valve and a coaxial coil heat exchanger as condenser. All components are properly arranged in the unit. The compressed refrigerant vapour condenses in the inner pipe of the condenser and thereby discharges heat to the water in the outer pipe. The liquid refrigerant evaporates at low pressure in the finned tube evaporator and thereby absorbs heat from the ambient air. The air flow is adjustable via a powerful EC ventilator.
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 flow meter. All relevant measured values are recorded by sensors and displayed. The simultaneous transmission of the measurements to a data recording software enables analysis and the representation of the process in the log p-h diagram. The provided software provides exact data on the condition of the refrigerant, which is used to calculate the refrigerant mass flow rate accurately. The calculation therefore gives a much more accurate result than measurement using conventional methods. The software also displays the key characteristics variables of the process, such as the compressor pressure ratio and the coefficient of performance.
Standards Compliance
- 89/392/EEC & 91/368/EEC - machinery safety accreditation
- CE-approved safety features
- ISO Standards compliance
Compressor
- Refrigeration capacity: 372W at 7.2/55°C
- Power consumption: 205W at 7.2/55°C
- Coaxial coil heat exchanger (condenser)
- Refrigerant content: 0.55L
- Water content: 0.3L
- Finned tube evaporator
- Transfer area: approx. 0.175m²
- Air flow: 0…1400m³/h
- Approx. Pump
- Max. flow rate: approx. 2.0 m³/h
Measuring ranges
- Pressure: 2x -1…15 bar
- Temperature: 4x 0…100°C, 2x -100…100°C
- Power: 0…6000W<li>Flow rate:
- Water: 0…20L/min
- Cooling water: 0.3…3L/min
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