MK Series

	B u r n er t y p e
Te ch n i cal sp e ci f i ca t i o n s	M K 3. 1	M K 3 . 2	M K 3 .3	M K 3.4
Burner output in kW(in gas-fired operation)	441 – 1510	738 – 1880	620 – 2505	887 – 2705
Burner output (in oil-fired operation)in kg/h	46.2 – 127.3	62.2 – 158.5	64.0 – 211.2	74.8 – 228.0
Burner output (in oil-fired operation)(in kW)	(548 – 1510)	(738 – 1880)	(759 – 2505)	(887 – 2705)
Fuel Heating	oil in accordance with DIN 51603,natural gas LL + E, liquid gas
Mode of operation Optionally oil/gas two-Stage or gas modulating, oil	two-Stage
Voltage	3 / N / PE ~ 50 Hz / 400 V
Power consumption at start / during operation	10.5 / 6.5	15.0 / 9.0	15.5 / 9.3	16.3 / 11.3
Electric motor power (at 2800rpm) in kW	3	4	4.4	5.5
Flame failure controller	KLC 1000
Control box	MPA 22

	Burner Type
Te ch n ic a l s p e c if ic a ti o n s	M K 2 .1	M K 2 .2
Burner output in kW (in gas-fired operation)	280 – 760	415 – 1070

Burner output (in oil-fired operation) in kg/h	23.6 – 64.1	39.5 – 90.2
Burner output (in oil-fired operation) (in kW)	(280 – 760)	(469 – 1070)
Fuel	Heating oil in accordance with DIN 51603, natural gas LL + E, liquid gas
Mode of operation	Optionally oil/gas two-Stage or gas modulating, oil two-Stage
Voltage	3 / N / PE ~ 50 Hz / 400 V
Power consumption at start / during operation	6.5 A max./ 3.6 A eff.
Electric motor power (at 2800rpm) in kW	1.1	2.2
Flame failure control unit	KLC 1000
Control box	MPA 22

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