The EBC22 has an external alarm output for integration into a building management system, etc. If the chimney draft falls below the required level, the speed of the chimney fan is regulated until the required chimney draft is reached. The necessary chimney draft is therefore always guaranteed when you start the boiler, thereby the best and most economical operating conditions are ensured. When the control receives the signal that the desired chimney vacuum has been reached, a signal is sent to start the boilers burner. When the boiler or the heating system starts, a signal is sent to the EBC22 which starts the chimney fan at full speed. The EBC22 automatic also offers the possibility of an external entry point for a pressure switch or alarm sensor as well as the possibility of an alarm exit point for example for a building management system. With the exodraft ES12 relay box this number can be expanded to up to four boilers. A modulating damper system is specified to manage and maintain a constant draft for single or multiple boilers, water heaters, and other Category I, II, III or IV heating appliances. The control has inputs and outputs for one or two boilers. modulating dampers, consist of a controller, pressure transducer, high speed actuator and multi-blade damper. With the help of the XTP sensors, which are installed in the chimney, the low pressure is monitored and maintained by regulating the speed of the chimney fan. Multi-blade damper for fast accurate draft control Modulating Damper Control System provides 100 overdraft control Improves efficiency for any heating appliance. The EBC22 is an automatic control with a pressure transducer (XTP) for one or more boilers or other installations where multiple heat sources are connected to the same chimney.
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