AFA003 Efficiency In Heating Technology
Features
trainer with closed heating circuit
trainer on mobile frame
pumps, heater and convector fan, controlled via PC Learning objectives/experiments
familiarisation with a heating circuit
familiarisation with temperature control — two-point controller — PID controller
recording of step response
recording of fitting and pump characteristics
energy balances – determining pump efficiency from hydraulic power and electrical power consumption
heat transfer with convector (water-to-air heat exchanger with fan)
comparison of circulating pumps
conventional pump — differential pressure controlled pump
Specification
[1] fundamentals of energy efficient heating technology
[2] closed water circuit with 2 circulating pumps, expansion vessel, heater and convector
[3] two-point and PID software controller for temperature: reference variable,
hysteresis and PID parameters adjustable
[4] boiler safety group according to DIN 4751
[5] 7 differential pressure sensors, 4 temperature sensors, 1 effective power sensor and 1 flow rate sensor
[6] software with control functions and data acquisition via USB under Windows 8.1, 10