: 1 –
boiler, 2 – controller, 3 – boiler temperature sensor, 4 – outside (weather) temperature sensor, 5 – room
thermostat, 6 – boiler pump, 7 - three-way thermostatic valve (manually adjustable), 8 - throttle (poppet)
valve, 9 – HUW pump, 10 - HUW temp. sensor, 11 – HUW tank, 12 – burner feeder (stoker), 13 – burner
fan, 14 – main fuel feeder.
RECOMMENDED SETTINGS:
The presented hydraulic scheme does not replace central heating engineering design and may be used for
information purposes only!