Alphanumeric display and configuration keys. All commands and functions are selected by means of menu and adjustable viatwo keys (+ and -). All parameters values are displayed on a 4-line alphanumeric display with 16 characters per line. Two other keys are used topass from a parameter to another and to scroll through the configuration menu. The date and the time, including summer/winter time changing, can be set directly on the MASTER EV90 front and used by alldevices connected to the FANBUS. Transparent protection cover. Digital clock with charge reserve of 5 years. Boiler regulation (with 1 or 2 stages) maintaining a high enough boiler temperature in order to provide all connected users withheat. Electric featuresPower supply: 230Vca 50Hz. Consumption: 5 VA. 2 output relays, contacts rating 5A- 250Vca (resistive load). 3 analog inputs: 1 to measure the external temperature, 1 to measure the delivery temperature, 1 to measure the return temperature. 1 RS232 communication channel for connection to a modem or directly to a computer. 1 communication bus FANBUS for SLAVE management.
