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Access 5.x |
Smoke detector input (T1) |
The described functions can be used, but must be in line with the local regulations. Verification need to be done or can be enquired by the local Systemair organization.
The Fire/Smoke mode can be activated via dedicated digital input or specialized "T1 SMOKE" input.
The CU27/CU40 controller has a connector (T1 SMOKE) designated for use with the smoke detector with enabled service alarm (e.g. Calectro UG-3-O).
The controller measures the current through the smoke detector and, based on the measured value, determines if there is an Error, Alarm, need for Service, or Normal operation.
Use example of T1 Smoke input |
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Variable |
Available options & Selection |
Note |
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Configuration of the smoke function |
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Configuration > Functions > Fire/Smoke |
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Fire function |
> |
Setup of the Fire function |
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Smoke function |
> |
Setup of the Smoke function |
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Smoke detector function |
| Off | |
The T1 SMOKE will be used to activate Smoke mode |
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| Fire alarm | |
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| Smoke alarm | |
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Smoke alarm digital input |
| No | Yes | |
In addition to T1 SMOKE the digital input can also be used to trigger this mode |
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Status of the smoke alarm |
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Data & Settings > Fire/Smoke |
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Smoke detector status |
Error / Alarm / Service / Normal |
Based on the measured current |
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