Slave module for
multifunctional, expandable, control units with remote control EV87 and EV90. It
is suitable for all heating systems types where it is necessary to spread the
capacity over several boilers connected in cascade. The module allows to
completely manage 2 boilers in cascade, commanding automatically both butterfly
valves and burners.
General Features: Boiler temperature minimum or maximum limits; Boilers
rotation adjustable from 1 to 99 days; Maximum number of controlled boilers – 8
(2 boilers x 4 modules); Parameters visualization and modification by means of
FANBUS from EV90 or EV87 MAS TER; Local programming or via SMS messages (with
GSM modem) or via remote computer (with analog PSTN modem) via the
communication bus (FANBUS) and the MAS TER EV90 or EV87; Addressing through
jumpers on the external terminal board; TX and RX signaling Led for connection
with FANBUS, butterfly valves and burners control.
Electric Features: Power supply: 230V 50Hz; Consumption: 5 VA; 4
output relays: 2 for butterfly valve control, 2 for burner control; 1
communication channel – FANBUS; 1 analog input for delivery temperature (NTC
type probes – EC15 or EC16); Voltage free contacts.