/ Product catalogue / Centralized air handling units / Counterflow residential AHU / Horizontal Units / VUT HB EC / VUT 400 HB EC A21
| Unit of measurement | VUT 400 HB EC A21 | |
| Connected air duct size | mm | 200 |
| Minimum supply voltage | V | 230 |
| Maximum supply voltage | V | 230 |
| Power supply frequency | Hz | 50/60 |
| Rated power | W | 289 |
| Unit current | A | 2.1 |
| Maximum airflow | m3/h | 540 |
| Sound pressure level LpA at 3 m | dB(A) | 27 |
| Heat recovery efficiency, max | % | 98 |
| Heat exchanger type | - | Counter flow |
| Heat exchanger material | - | Polystyrene |
| Weight | kg | 74.8 |
| Extract filter | - | G4 |
| Supply filter | - | G4+F7 |
| 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 | % | 80 |
| Ingress protection rating | - | IP22 |
| Ingress protection rating of the drive | - | IP44 |
| Trademark | Vents | |||||
| Model | VUT 400 HB EC A21 | |||||
| Specific energy consumption (SEC) (kWh/(m2/a)) | Cold | Average | Warm | |||
| -81.6 | A+ | -42.5 | 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 (%) | 88 | |||||
| Maximum flow rate (m3/h) | 480 | |||||
| Electric power input (W) | 240 | |||||
| Reference flow rate (m3/s) | 0.092 | |||||
| Reference pressure difference (Pa) | 50 | |||||
| Specific power input (SPI) (W/(m3/h)) | 0.268 | |||||
| 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)) | 41 | |||||
| The annual electricity consumption (AEC) (kWh/a) | Cold | Average | Warm | |||
| 724 | 187 | 142 | ||||
| The annual heating saved (AHS) (kWh/a) | Cold | Average | Warm | |||
| 9100 | 4652 | 2104 | ||||
| ØD | B | B1 | B2 | H | H1 | H2 | L | L1 |
|---|---|---|---|---|---|---|---|---|
| 197 | 682 | 248 | 217 | 504 | 201 | 141 | 1094 | 1191 |
| 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. |
| 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 |
| Name | Photo | Description |
|---|---|---|
| Vents DPWQ30600 |
|
VOC sensors |
| Vents DPWQ40200 |
|
CO2 sensor |
| Name | Photo | Description |
|---|---|---|
| Vents NKD 200-1,2-1 A21 V.2 |
|
Duct heater for supply air post-heating with external control |
| Vents NKD 200-1,7-1 A21 V.2 |
|
Duct heater for supply air post-heating with external control |
| Vents NKD 200-2,0-1 A21 V.2 |
|
Duct heater for supply air post-heating with external control |
| Vents NKP 200-1,2-1 A21 V.2 |
|
Heater for heat exchanger freeze protection |
| Vents NKP 200-1,7-1 A21 V.2 |
|
Heater for heat exchanger freeze protection |
| Vents NKP 200-2,0-1 A21 V.2 |
|
Heater for heat exchanger freeze protection |
| Name | Photo | Description |
|---|---|---|
| Vents SR 200/600 |
|
Silencer is applied for noise absorption produced during the ventilating equipment operation and spread along the ducting systems |
| Vents SR 200/900 |
|
Silencer is applied for noise absorption produced during the ventilating equipment operation and spread along the ducting systems |
| Vents SR 200/1200 |
|
Silencer is applied for noise absorption produced during the ventilating equipment operation and spread along the ducting systems |
| Vents SRF 200/600 |
|
Silencer is applied for noise absorption produced during the ventilating equipment operation and spread along the ducting systems |
| Vents SRF 200/900 |
|
Silencer is applied for noise absorption produced during the ventilating equipment operation and spread along the ducting systems |
| Vents SRF 200/2000 |
|
Silencer is applied for noise absorption produced during the ventilating equipment operation and spread along the ducting systems |
| Name | Photo | Description |
|---|---|---|
| Vents KOM 200 |
|
Spring-loaded backdraft damper for round ducts |
| Vents KRV 200 |
|
Air damper for air flow cut-off in round air ducts |
| Name | Photo | Description |
|---|---|---|
| Vents DN-2 |
|
The drain pump provides extraction and discharge of condensate in ventilation systems |
| 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 |
| Vents Belimo TF230 |
|
The actuators are designed for controlling air dampers with cross section up to 0.4 m² performing protection functions |
| Name | Photo | Description |
|---|---|---|
| Vents SF 600x205x48 G4 |
|
Panel filter G4 |
| Vents SF 600x205x48 F7 |
|
F7 panel filter |
