SR2008 Heat Pump Trainer Educational Equipment Air Conditioner Training Equipment

Learning Objectives / Experiments

– 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 behaviour under load

Specification

[1] investigation of a heat pump with a water circuit as load

[2] refrigeration circuit with compressor, evaporator with fan, thermostatic expansion valve and coaxial coil heat exchanger as condenser

[3] hot water circuit with pump, tank and condenser as heater

[4] additional cooling via pipe coil in the hot water tank and external cooling water

[5] record and display of all relevant measured values and

[6] software for data acquisition via USB under Windows

Technical Data

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

Measuring ranges

– pressure: 2x -1…15bar

– temperature: 4x 0…100°C, 2x -100…100°C

– power: 1x 0…6000W

– flow rate (water): 1x 0…108L/h

– flow rate (cooling water): 1x 10…160L/h

Dimensions and Weight

LxWxH: 1620x790x1910mm

Weight: approx. 192kg

Required for Operation

230V, 50/60Hz, 1 phase or 120V, 60Hz, 1 phase

Water connection, drain