|  VUT 350 U EC Maximum capacity - 331 m3/h. |  VUT 350 EU EC Maximum capacity - 331 m3/h. |
| Phase, [˜] | 1 | 1 |
| Frequency, [Hz] | 50/60 | 50/60 |
| Maximum fan power, [W] | 36 / 220 | 36 / 220 |
| Electric heater power, [W] |
-
| 2000 |
| Fan current, [A] | 0.29 / 1.48 | 0.29 / 1.48 |
| Total unit power, [W] | 220 | 2220 |
| Maximum air capacity , [m³/h] | 133 / 331 | 133 / 331 |
| RPM, [min -1] | 1440 / 2900 | 1440 / 2900 |
| Sound pressure level at 3 m, [[dBA]] | 28 / 41 | 28 / 41 |
| Casing material | polymer coated steel | polymer coated steel |
| Maximum transported air temperature, [оC] | -25 +60 | -25 +60 |
| Insulation | 20 mm, mineral wool | 20 mm, mineral wool |
| Connected air duct size, [mm] | 150 | 150 |
| Weight, [kg] | 43 | 44 |
| Heater type | none | electric |
| Heat recovery efficiency, [up to %] | 82 up to 98 | 82 up to 98 |
| Heat exchanger type | counter-flow | counter-flow |
| Heat exchanger material | polysterene | polysterene |
| Duct connection | versatile | versatile |
| ЕС- motor | yes | yes |
| Heat recovery | yes | yes |
| SEC Class | A | A |