EV91A General features
Weekly programming with 6 ON and OFF schedules for each day of the week.
Heating system activity period setting.
Switch-on time optimization as a function of the external temperature.
Programming for circuit thermal disinfection against legionellosis.
Local programming or via SMS messages (with GSM modem) or via remote computer (with analog PSTN modem) via the communication bus (FANBUS) and the MASTER EV90 or EV87.
Addressing through jumpers on the external terminal board.
TX and RX signaling Led for connection with FANBUS, valve, circulation pump and auxiliary relay control.
Electric features
Power supply: 230Vca 50Hz.
Consumption: 7 VA.
4 output relays: – 2 to control the mixing valve,- 1 to control the circulation pump,- 1 auxiliary synchronous with the clock.
1 communication channel – FANBUS.
1 analog input for external temperature (optional).
1 analog input for delivery temperature.