September 21st, 2009
Alarm systems Mf-Net
To be able to easily protect the essential equipment of your installation, Vostermans Ventilation offers alarm devices. These alarm devices are part of the Mf-Net line, the open modular control system. The most important goal is the prevention of damage to the installation. It is important that technical troubles are detected easily and the possibility to extend the system, to meet current as well as future demands.
The ACH-1 and ACH-5 automatically sound the alarm in case of a disturbance in the monitoring group, or if the mains voltage is cut. If the mains voltage is cut, a battery takes over the alarm function. Four extension units can be connected to the ACH-1 (Alarm-A), each with four monitoring groups so a total of 17 monitoring groups is created. For instance, this means that both the ventilation and the heating can be monitored. The built-in alarm delay function prevents unnecessary alarms. The ACH-1 monitors one alarm contact, the ACH-5 is able to monitor max. 5 alarm contacts.
The Alarm-A is an alarm extension unit which allows the number of connected alarm contacts to be increased to 5. The Alarm-A can be connected to both the Mf-Net ACH-1 and the ACH-5. The alarm is indicated for each connection via a LED.
The AFR is an alarm which can be used to monitor the voltage of the main electricity supply or the output voltage of a controller. This controller may be either electronic or electro-mechanical. If a phase or the voltage of a three-phase system disappears or falls too low, the AFR breaks its relay contact and then sends a signal to the connected alarm equipment.
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