| 8010483 - | HERU 250 S EC 2 A 2300W | 8010484 - | HERU 250 S EC 2 B 1150W | 8010485 - | HERU 250 S EC 2 C |






NOTE! The warranty of HERU is only valid if accessories/equipment (e.g. filters) from H. Östberg AB are used.
Generating diagrams...
Generating diagrams...
|
HERU 250 S EC 2 A 2300W 8010483 |
HERU 250 S EC 2 B 1150W 8010484 |
HERU 250 S EC 2 C 8010485 |
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|---|---|---|---|---|---|---|
| Parameter | Value | Unit | Value | Unit | Value | Unit |
| Voltage | 230 | V | 230 | V | 230 | V |
| Phase | 1-2 | ~ | 1 | ~ | 1 | ~ |
| Frequency | 50 | Hz | 50 | Hz | 50 | Hz |
| Power | 2760 | W | 1610 | W | 458 | W |
| Power, fans | 431 | W | 431 | W | 431 | W |
| Power, heater | 2300 | W | 1150 | W | 0 | W |
| Current | 12 | A | 7 | A | 2.02 | A |
| Current, fans | 1.92 | A | 1.92 | A | 1.92 | A |
| Current, heater | 10.0 | A | 5.0 | A | 0 | A |
| Speed | 2670 | r.p.m. | 2780 | r.p.m. | 2780 | r.p.m. |
| Sound pressure level at 3 m | 44 | dB(A) | 46 | dB(A) | 46 | dB(A) |
| Weight | 108 | kg | 108 | kg | 106 | kg |
| Enclosure class | 41 | IP | 41 | IP | 41 | IP |
| Duct connection | 250 | mm | 250 | mm | 250 | mm |
| Max. flow @ 0Pa | 286 | l/s | 286 | l/s | 286 | l/s |
| Max. pressure | 765 | Pa | 739 | Pa | 739 | 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 2 | - |
| (c) SEC value | -40.9 | 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 | 84 | % |
| (h) Max. flow rate (@100Pa) | 927 | m3/h |
| (i) Power at max. flow rate | 424 | W |
| (j) Sound power level | 46 | dB LwA |
| (k) Reference flow rate | 0.183 | m3/s |
| (l) Reference pressure difference | 50 | Pa |
| (m) SPI | 0.33 | W/(m3/h) |
| (n) Type of control/ctrl factor | Local demand control/0.65 | - |
| (o) External (and internal) leakage rate | 1.27 (2.82) | % |
| (p) Mixing rate | N/A | - |
| (q) Visual filter warning | In remote control | - |
| (r) Instruction supply/exhaust grilles | See manual | - |
| (s) Disassembly instructions | fsp.ostberg.com | - |
| (t) Airflow sensitivity | N/A | - |
| (u) Air tightness | N/A | m/s |
| (v) AEC | 219 | kWh |
| (w) AHS average | 4599 | kWh |
| AHS warmer | 2080 | kWh |
| AHS colder | 8997 | kWh |