| 8010481 - | HERU®250 S EC B 1150W | 8010482 - | HERU®250 S EC C | 8010480 - | HERU 250 S EC A 2300W |





HERU®250 S EC
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Generating diagrams...
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HERU®250 S EC B 1150W 8010481 |
HERU®250 S EC C 8010482 |
HERU 250 S EC A 2300W 8010480 |
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|---|---|---|---|---|---|---|
| Parameter | Value | Unit | Value | Unit | Value | Unit |
| Voltage | 230 | V | 230 | V | 230 | V |
| Phase | 1 | ~ | 1 | ~ | 1 | ~ |
| Frequency | 50 | Hz | 50 | Hz | 50 | Hz |
| Power | 1600 | W | 449 | W | 2750 | W |
| Power, fans | 422 | W | 422 | W | 422 | W |
| Power, heater | 1150 | W | 0 | W | 2300 | W |
| Current | 6.95 | A | 1.95 | A | 12 | A |
| Current, fans | 1.85 | A | 1.85 | A | 1.85 | A |
| Current, heater | 5.0 | A | 0 | A | 10.0 | A |
| Speed | 2670 | r.p.m. | 2670 | r.p.m. | 2670 | r.p.m. |
| Sound pressure level at 3 m | 44 | dB(A) | 44 | dB(A) | 44 | dB(A) |
| Weight | 108 | kg | 106 | kg | 108 | kg |
| Enclosure class | 41 | IP | 41 | IP | 41 | IP |
| Duct connection | 250 | mm | 250 | mm | 250 | mm |
| Max. flow @ 0Pa | 276 | l/s | 276 | l/s | 276 | l/s |
| Max. pressure | 756 | Pa | 756 | Pa | 765 | Pa |
| Voltage range | 220-240 | V | 220-240 | V | 220-240 | V |
| Parameter | Value | Unit |
|---|---|---|
| (a) Manufacturer | Östberg | - |
| (b) Model code | HERU 250 S EC (archived 2017-08-22) | - |
| (c) SEC value | -36.2 | kWh/m2 |
| SEC class | A | - |
| (d) Declared type | RVU / BVU | - |
| (e) Type of drive | Variable speed drive | - |
| (f) Type of heat recovery | Regenerative | - |
| (g) Thermal efficiency | 85% | % |
| (h) Max. flow rate (@100Pa) | 892 | m3/h |
| (i) Power at max. flow rate | 413 | W |
| (j) Sound power level | 46 | dB LwA |
| (k) Reference flow rate | 0.178 | m3/s |
| (l) Reference pressure difference | 50 | Pa |
| (m) SPI | 0.37 | W/(m3/h) |
| (n) Type of control/ctrl factor | Central demand control | - |
| (o) External (and internal) leakage rate | 1.32 (2.82) | % |
| (p) Mixing rate | N/A | - |
| (q) Visual filter warning | On label | - |
| (r) Instruction supply/exhaust grilles | N/A | - |
| (s) Disassembly instructions | www.ostberg.com | - |
| (t) Airflow sensitivity | N/A | - |
| (u) Air tightness | N/A | m/s |
| (v) AEC | 876 | kWh |
| (w) AHS average | 4531 | kWh |
| AHS warmer | 2049 | kWh |
| AHS colder | 8864 | kWh |