8010491 - | HERU 250 S B 1150W | 8010492 - | HERU 250 S C | 8010490 - | HERU 250 S A 2300W |
HERU®250 S
HERU 250 S B 1150W 8010491 |
HERU 250 S C 8010492 |
HERU 250 S A 2300W 8010490 |
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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 | 1710 | W | 557 | W | 2860 | W |
Power, fans | 530 | W | 530 | W | 530 | W |
Power, heater | 1150 | W | 0 | W | 2300 | W |
Current | 7.4 | A | 2.4 | A | 12.4 | A |
Current, fans | 2.31 | A | 2.31 | A | 2.31 | A |
Current, heater | 5.0 | A | 0 | A | 10.0 | A |
Speed | 2680 | r.p.m. | 2680 | r.p.m. | 2680 | r.p.m. |
Sound pressure level at 3 m | 46 | dB(A) | 46 | dB(A) | 46 | dB(A) |
Weight | 118 | kg | 118 | kg | 118 | kg |
Enclosure class | 41 | IP | 41 | IP | 41 | IP |
Duct connection | 250 | mm | 250 | mm | 250 | mm |
Max. flow @ 0Pa | 252 | l/s | 252 | l/s | 252 | l/s |
Max. pressure | 704 | Pa | 704 | Pa | 704 | Pa |
Voltage range | 220-240 | V | 220-240 | V | 220-240 | V |
Parameter | Value | Unit |
---|---|---|
(a) Manufacturer | Östberg | - |
(b) Model code | HERU 250 S | - |
(c) SEC value | -32.7 | kWh/m2 |
SEC class | B | - |
(d) Declared type | RVU / BVU | - |
(e) Type of drive | Multi-speed drive | - |
(f) Type of heat recovery | Regenerative | - |
(g) Thermal efficiency | 86% | % |
(h) Max. flow rate (@100Pa) | 814 | m3/h |
(i) Power at max. flow rate | 414 | W |
(j) Sound power level | 47 | dB LwA |
(k) Reference flow rate | 0.202 | m3/s |
(l) Reference pressure difference | 50 | Pa |
(m) SPI | 0.49 | W/(m3/h) |
(n) Type of control/ctrl factor | Central demand control | - |
(o) External (and internal) leakage rate | 1.45 (1.23) | % |
(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 | 1242 | kWh |
(w) AHS average | 4544 | kWh |
AHS warmer | 2055 | kWh |
AHS colder | 8888 | kWh |