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/ Product catalogue / Centralized air handling units / Counterflow residential AHU / Vertical Units / VUT VB EC / VUT 350 VB EC A21

Vents VUT 350 VB EC A21

Vents VUT 350 VB EC A21 - Air handling units in heat- and sound-insulated casing equipped with a counter-flow polystyrene heat exchanger
Series: VUT VB EC
Air handling units in heat- and sound-insulated casing equipped with a counter-flow polystyrene heat exchanger
  • Maximum airflow: 450 m3/h
  • Sound pressure level LpA at 3 m: 28 dB(A)
  • Heat exchanger type: Counter flow
  • Extract filter: G4
  • Supply filter: F7 (G4 optional)
  • Sound insulation
  • Motor type: EC
  • Bypass: Auto
  • Reheater: Optional
  • Preheater: Optional
  • BMS protocol: ModBus
  • Control: Smartphone
  • Casing material: Coated steel
  • Humidity sensor: Optional
  • CO2 sensor: Optional
  • VOC sensor: Optional
  • PM2.5 sensor: Optional
Unit of measurement VUT 350 VB EC A21
Connected air duct size mm 160
Minimum supply voltage V 230
Maximum supply voltage V 230
Power supply frequency Hz 50/60
Rated power W 178
Unit current A 1.4
Maximum airflow m3/h 450
Sound pressure level LpA at 3 m dB(A) 28
Heat recovery efficiency, max % 92
Heat exchanger type - Counter flow
Heat exchanger material - Polystyrene
Weight kg 64
Extract filter - G4
Supply filter - F7 (G4 optional)
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 - IP20
Ingress protection rating of the drive - IP44
Vents VUT 350 VB EC A21 49 390 2016
Trademark Vents
Model VUT 350 VB EC A21
Specific energy consumption (SEC) (kWh/(m2/a)) Cold Average Warm
-81 A+ -42.3 A+ -17.5 E
Type of ventilation unit Bidirectional
Type of drive installed Variable speed
Type of heat recovery system Recuperative
Thermal efficiency of heat recovery (%) 86
Maximum flow rate (m3/h) 390
Electric power input (W) 177
Reference flow rate (m3/s) 0.078
Reference pressure difference (Pa) 50
Specific power input (SPI) (W/(m3/h)) 0.254
Control typology Local demand control
Maximum internal leakage rates (%) 2.7
Maximum external leakage rates (%) 2.7
Declared typology RVU BVU
Sound power level (dB(A)) 49
The annual electricity consumption (AEC) (kWh/a) Cold Average Warm
716 179 134
The annual heating saved (AHS) (kWh/a) Cold Average Warm
9019 4610 2085
Datasheet
"VENTS VUT/VUE VB EC" product description 04-2024
3.79 Mb
Manual
"VENTS VUT/VUE 160/350/550 V(B) EC A14/A21" user's manual 09-2024 (V239EN-01)
3.22 Mb
Manual
"Sensor control panel A14/A15" user’s manual 07-2024 (V55-7EN-02)
1.21 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
Manual
"VENTS VUT/VUE 250 VB(E) EC L/R" user's manual 05-2024 (V240EN-04)
2.56 Mb
BIM/CAD models
VUT/VUE 250 VB(E) EC
1.26 Mb
BIM/CAD models
VUT/VUE 160/350/550 VB EC
1.28 Mb
Image
VUT 350 VB EC A21 - image 1
453 Kb
Vents VUT 350 VB EC A21 - Dimensions
ØD B H L
160 583 675 730
Control Panels for AHU
Name Photo Description
Vents A25 A25 The control panel with a sensor display
Vents A22 WiFi A22 WiFi The A22/A22 WiFi control panels are used for control of industrial and domestic air handling units with an A21 automation system.
Vents A22 A22 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 HV2 Humidity sensor
Vents CO2-1 CO2-1 CO2 sensors
Vents CO2-2 CO2-2 CO2 sensors
Vents DPWC11200 DPWC11200 Humidity sensor
Vents HR-S HR-S Electro-mechanical humidistats
VOC sensors
Name Photo Description
Vents DPWQ40200 DPWQ40200 CO2 sensor
Vents DPWQ30600 DPWQ30600 VOC sensors
Electrical heaters
Name Photo Description
Vents NKP 160-0,8-1 A21 V.2 NKP 160-0,8-1 A21 V.2 Heater for heat exchanger freeze protection
Vents NKP 160-1,2-1 A21 V.2 NKP 160-1,2-1 A21 V.2 Heater for heat exchanger freeze protection
Vents NKP 160-1,7-1 A21 V.2 NKP 160-1,7-1 A21 V.2 Heater for heat exchanger freeze protection
Vents NKP 160-2,0-1 A21 V.2 NKP 160-2,0-1 A21 V.2 Heater for heat exchanger freeze protection
Vents NKD 160-0,8-1 A21 V.2 NKD 160-0,8-1 A21 V.2 Duct heater for supply air post-heating with external control
Vents NKD 160-1,2-1 A21 V.2 NKD 160-1,2-1 A21 V.2 Duct heater for supply air post-heating with external control
Vents NKD 160-1,7-1 A21 V.2 NKD 160-1,7-1 A21 V.2 Duct heater for supply air post-heating with external control
Vents NKD 160-2,0-1 A21 V.2 NKD 160-2,0-1 A21 V.2 Duct heater for supply air post-heating with external control
Condensation drainage
Name Photo Description
Vents SH-32 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 160 KRV 160 Air damper for air flow cut-off in round air ducts
Electric actuators
Name Photo Description
Vents Belimo LF230 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 500x196x40 F7 SF 500x196x40 F7 F7 panel filter
Vents SF 500x196x40 G4 SF 500x196x40 G4 Panel filter G4
Flanges
Name Photo Description
Vents KH-1 KH-1 The kitchen exhaust hood is designed to clean air from combustion products, fumes, odors that form during cooking in the kitchen