Blauberg KOMFORT Roto EC DE 251-E L S21

Air handling units with rotary heat exchanger

	Unit of measurement	KOMFORT Roto EC DE 251-E L S21
Phases	-	1
Minimum supply voltage	V	230
Maximum supply voltage	V	230
Power supply frequency	Hz	50/60
Power of electrical reheater	W	800
Heat recovery efficiency, max	%	82
Heat exchanger type	-	Sorption rotary
Weight	kg	62
Transported air temperature (max)	°С	40
Transported air temperature (min)	°С	-25
Ambient air temperature min	°С	1
Ambient air temperature max	°С	40
Ambient air humidity max	%	60
Ingress protection rating	-	IP22
Ingress protection rating of the drive	-	IP44

Trademark	Blauberg
Model	KOMFORT Roto EC DE 251-E L S21
Specific energy consumption (SEC) (kWh/(m²/a))	Cold		Average		Warm
	-84.5	A+	-41.2	A	-16.4	E
Type of ventilation unit	Bidirectional
Type of drive installed	Variable speed
Type of heat recovery system	Regenerative
Thermal efficiency of heat recovery (%)	82
Maximum flow rate (m³/h)	314
Electric power input (W)	178
Reference flow rate (m³/s)	0.062
Reference pressure difference (Pa)	50
Specific power input (SPI) (W/(m³/h))	0.311
Control typology	Local demand control
Maximum internal leakage rates (%)	2.7
Maximum external leakage rates (%)	2.7
Sound power level (dB(A))	44
The annual electricity consumption (AEC) (kWh/a)	Cold		Average		Warm
	164		164		164
The annual heating saved (AHS) (kWh/a)	Cold		Average		Warm
	8857		4528		2047