Technical Data And Characteristics - Ferroli OPERA 70 Instructions For Use, Installation And Maintenance

OPERA

4. Technical data and characteristics

Legend of figures cap. 4 "Technical data and characteristics"
7 Gas inlet
10 System flow
16 Fan
32 Heating circulating pump (not supplied)
36 Automatic air vent
44 Gas valve
72 Room thermostat (not supplied)
72b Second room thermostat (not supplied)
81 Ignition electrode
82 Detection electrode
95 3-way valve - 2 wires (not supplied)
A = Heating phase
B = Neutral
98 Switch
114 Water pressure switch
130 DHW circulating pump (not supplied)
138 External probe (not supplied)
139 Remote timer control (not supplied)
154 Condensate drain pipe
155 Hot water tank temperature probe (not supplied)
186 Return sensor
188 Ignition/Ionization electrode
191 Fume temperature sensor
220 Ignition card
256 Modulating heating circulating pump signal
275 Heating system drain cock
278 Double sensor (Safety + Heating)
298 Cascade temperature sensor (not supplied)
299 Input 0-10 Vdc
300 Burner lit contact (voltage-free contact)
301 Fault contact (voltage-free contact)
302 Remote reset input (230 Volt)
306 Heating system circulating pump (not supplied)
307 Heating system second circulating pump (not
supplied)
321 Low temperature return
346 High temperature return
348 3-way valve - 3 wires (not supplied)
A = Heating phase
B = Neutral
C = DHW phase
357 Faulty contact (230 Vac)
361 Cascade connection of next module
362 Cascade connection of previous module
363 MODBUS communication
EN
cod. 3541R964 - Rev. 00 - 10/2021
185