TSN is an emergency unit suitable for all Munters ventilation systems.                                                                                                    

• Emergency opening via the built-in battery and charging circuit to the battery. Automatic stop at outer limits, also at battery backup.
• LED indication of operating mode, including misconnection and current limits
• Battery monitor will indicate using sound and light, that the battery needs to be replaced (about 5 years)
• Possibility of slave operation
• Automatic detection of disconnected control signal that opens if the line is interrupted.
• T41 thermostat in series with the supply 230V will ensure emergency opening at interruption