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General| Model | VR-400 EV |
|---|---|
| Category | Fan |
| Voltage | 230 V |
| Frequency | 50 Hz |
| Air Flow | 400 m³/h |
| Noise Level | 35 dB |
Complete ventilation units for supply and extract, with heat exchanger and controls.
Controls fan speed in 3 steps. Lamp signals indicate setting.
Switches for supply air temperature control, increases/decreases via switches.
Filter status indicated by lamp. Filter change interval depends on usage.
Unit operates continuously or via timer. Automatically reverts to timer after settings.
Follow installation instructions. Ensure mains supply insulation before service.
Avoid direct connection of tumble dryers. Mount filters correctly before operation.
Maintenance must be performed according to separate instructions.
Change filters as indicated by lamps. Reset operation time after filter change.
Check heat exchanger for build-up. Clean if necessary.
Check fuses, contacts, airflow settings, filters, and vents for fan/airflow problems.
Address cold supply air, noise, and vibrations by checking settings, filters, and fan assembly.
Interpret lamp signals for short circuits, low voltage, or overheating protection.
Note type designation and production number from the data plate before contacting service.
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