Gas and oil fired central heating system - central station controls and selects large number of units

摘要

The control station used to regulate continuously the oil or gas burner loads in a central heating installation incorporates several hot water evaporators feeding one single common pipe where the temperature is kept constant within small margin of error this control centre has a programmed regulation device which, according to heat demand, switches on or off the number of evaporators needed, regulating the last one to be started as a function of the load while the others are controlled by their own thermostat and work pin motor driven valves fully open.