A2
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Additional heater functional sequence
Heat output requirement less than 50%
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→ P (kW) = Heat output in kilowatts t (°C) = Temperature of coolant in heater A = Commence starting procedure (coolant temperature in heater must be less than 73 °C) B = Starting procedure C = Full load operation D = Partial load operation E = Control interval F = Start from control interval G = Switch-off due to overheating 1 = Start of full load operation 2 = Switch from full load to partial load operation 3 = Switch from part load operation to control interval 4 = End of control interval |
