DIN-rail mounting radiofrequency remote actuator with 6 output relays. It is designed to manage air conditioning systems and to receive control signals via radiofrequency or via wire (RS-485) from Vemer thermostats and chronothermostats. This actuator has 6 relays to control within 6 zone valves. An additional relay for the pump connection allows to switch automatically when at least one of the 6 valves is activated.