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Comprehensive testing process
Before the high-temperature sequence, the fans completed extensive functionality and durability testing at an independent facility. This included more than 10,000 operating cycles and oscillation testing to verify the performance of the entire kit configuration.
Detailed testing phases
Warm-up period
The fan operated for at least one hour at ambient temperature. Acceleration and deceleration between set frequencies were completed within three seconds, followed by a six-minute hold at each frequency.
High-temperature test
After warm-up, the inlet gas temperature increased to 300°C within 5–10 minutes. During the first 30 minutes, the fan frequency changed every nine seconds within the control range, with each adjustment completed within three seconds. For the next 30 minutes, frequency changes between minimum and maximum setpoints occurred every five minutes. After one hour, the full cycle was repeated.
The fan completed two hours of uninterrupted operation under these conditions before shutdown, marking the successful end of the test.
Declaration of performance
The results from these tests, together with the PDS kit tests performed according to EN 12101-6:2022, are included in a Declaration of Performance that documents the proven reliability and efficiency of NOVENCO smoke control fans.
