/ Product catalogue / Air handling units / Counterflow residential AHU / Vertical Units / KOMFORT EC SB / KOMFORT EC SB 550 S21
| Unit of measurement | KOMFORT EC SB 550 S21 | |
| Connected air duct size | mm | 200 |
| Phases | - | 1 |
| Minimum supply voltage | V | 230 |
| Maximum supply voltage | V | 230 |
| Power supply frequency | Hz | 50/60 |
| Rated power | W | 350 |
| Unit current | A | 2.4 |
| Maximum airflow | m3/h | 692 |
| Sound pressure level LpA at 3 m | dB(A) | 38 |
| Heat recovery efficiency, max | % | 92 |
| Heat exchanger type | - | Counter flow |
| Heat exchanger material | - | Polystyrene |
| Weight | kg | 82 |
| Extract filter | - | G4 |
| Supply filter | - | F7 (option: G4) |
| 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 |
| Trademark | Blauberg | |||||
| Model | KOMFORT EC SB 550 S21 | |||||
| Specific energy consumption (SEC) (kWh/(m2/a)) | Cold | Average | Warm | |||
| 81.3 | A+ | 42.2 | A+ | 17.1 | 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) | 638 | |||||
| Electric power input (W) | 350 | |||||
| Reference flow rate (m3/s) | 0.123 | |||||
| Reference pressure difference (Pa) | 50 | |||||
| Specific power input (SPI) (W/(m3/h)) | 0.295 | |||||
| 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)) | 48 | |||||
| The annual electricity consumption (AEC) (kWh/a) | Cold | Average | Warm | |||
| 738 | 201 | 156 | ||||
| The annual heating saved (AHS) (kWh/a) | Cold | Average | Warm | |||
| 9100 | 4652 | 2104 | ||||
| ØD | B | H | L |
|---|---|---|---|
| 200 | 720 | 675 | 823 |
