Vents VUT 270 V5B EC А21

Heat recovery air handling units in sound- and heat-insulated casings equipped with a counter-flow polystyrene heat exchanger

	Unit of measurement	VUT 270 V5B EC А21
Connected air duct size	mm	125
Minimum supply voltage	V	230
Maximum supply voltage	V	230
Power supply frequency	Hz	50/60
Rated power	W	162
Unit current	A	1.2
Maximum airflow	m³/h	300
Sound pressure level LpA at 3 m	dB(A)	34
Heat recovery efficiency, max	%	98
Heat exchanger type	-	Counter flow
Heat exchanger material	-	Polystyrene
Weight	kg	13
Extract filter	-	G4
Supply filter	-	G4 (option F8)
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	Vents
Model	VUT 270 V5B EC А21
Specific energy consumption (SEC) (kWh/(m²/a))	Cold		Average		Warm
	81.8	A+	42.3	A+	17	E
Type of ventilation unit	Bidirectional
Type of drive installed	Variable speed
Type of heat recovery system	Recuperative
Thermal efficiency of heat recovery (%)	90
Maximum flow rate (m³/h)	270
Electric power input (W)	153
Reference flow rate (m³/s)	0.053
Reference pressure difference (Pa)	50
Specific power input (SPI) (W/(m³/h))	0.316
Control typology	Local demand control
Maximum internal leakage rates (%)	2.7
Maximum external leakage rates (%)	2.7
Sound power level (dB(A))	50
Declared typology	RVU BVU
The annual electricity consumption (AEC) (kWh/a)	Cold		Average		Warm
	749		212		167
The annual heating saved (AHS) (kWh/a)	Cold		Average		Warm
	9181		4693		2122

Datasheet

"VENTS VUT/VUE 270 V5B EC" product description 01-2023

2 Mb

Manual

"VENTS VUT/VUE 270 V5(B) EC" user's manual 08-2023 (V170-1EN-08)

2.51 Mb

Manual

"VENTS VUT/VUE 270 V5(B) EC" user's manual 06-2024 (V170-1EN-09)

2.52 Mb

Manual

"Modbus table for connecting A21 automation to BMS" user’s manual 09-2022 (V55-8-1EN-02)

167 Kb

Manual

"Wireless control system A21" user’s manual 02-2023 (V55-8EN-05)

504 Kb

BIM/CAD models

VUT/VUE V5B EC

1.02 Mb

Image

VUT 270 V5B EC А21 - image 1

443 Kb

ØD	B	H	L
125	590	893	316

Control Panels for AHU

Name	Photo	Description
Vents A25		The control panel with a sensor display
Vents A22		The A22/A22 WiFi control panels are used for control of industrial and domestic air handling units with an A21 automation system.
Vents A22 WiFi		The A22/A22 WiFi control panels are used for control of industrial and domestic air handling units with an A21 automation system.

Sensors

Name	Photo	Description
Vents HV2		Humidity sensor
Vents CO2-1		CO2 sensors
Vents CO2-2		CO2 sensors
Vents HR-S		Electro-mechanical humidistats
Vents DPWC11200		Humidity sensor

VOC sensors

Name	Photo	Description
Vents DPWQ30600		VOC sensors
Vents DPWQ40200		CO2 sensor

Electrical heaters

Name	Photo	Description
Vents NKD 125-0,6-1 A21 V.2		Duct heater for supply air post-heating with external control
Vents NKD 125-0,8-1 A21 V.2		Duct heater for supply air post-heating with external control
Vents NKD 125-1,2-1 A21 V.2		Duct heater for supply air post-heating with external control
Vents NKP 125-0,6-1 A21 V.2		Heater for heat exchanger freeze protection
Vents NKP 125-0,8-1 A21 V.2		Heater for heat exchanger freeze protection
Vents NKP 125-1,2-1 A21 V.2		Heater for heat exchanger freeze protection

Condensation drainage

Name	Photo	Description
Vents SH-32		The hydraulic U-trap for condensate drainage from heat exchangers and coolers in ventilation and air conditioning systems

For round ducts

Name	Photo	Description
Vents KRV 125		Air damper for air flow cut-off in round air ducts

Electric actuators

Name	Photo	Description
Vents Belimo LF230		The Belimo LF series actuators are designed for controlling air dampers with cross section up to 0.8 m² performing protection functions

Other accessories

Name	Photo	Description
Vents SF 264x182x18 G4		Panel filter G4
Vents SF 264x182x18 F8		F8 panel filter