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FORCE W
4. Technical data and characteristics
Legend of figures cap. 4 "Technical data and characteristics"
Gas inlet - Ø 1"
7
System flow - Ø 1" 1/2
10
System return - Ø 1" 1/2
11
Safety valve
14
Fan
16
Heating circulating pump (not supplied)
32
Heating temperature sensor
34
Automatic air vent
36
Gas valve
44
Room thermostat (not supplied)
72
Second room thermostat (not supplied)
72b
3-way valve - 2 wires (not supplied)
95
A = Heating phase
B = Neutral
Switch
98
Water pressure switch
114
DHW circulating pump (not supplied)
130
External probe (not supplied)
138
Remote timer control (not supplied)
139
Water gauge
145
Condensate drain pipe
154
Hot water tank temperature probe (not supplied)
155
Return sensor
186
Ignition/Ionization electrode
188
Fume temperature sensor
191
Trap
193
Condensate tray
196
Modulating heating circulating pump signal
256
Drain cock
275
Cascade temperature sensor (not supplied)
298
Input 0-10 Vdc
299
Burner lit contact (voltage-free contact)
300
Fault contact (voltage-free contact)
301
Remote reset input (230 Volt)
302
Heating system circulating pump (not supplied)
306
Heating system second circulating pump (not
307
supplied)
3-way valve - 3 wires (not supplied)
348
A = Heating phase
B = Neutral
C = DHW phase
Faulty contact (230 Vac)
357
Cascade connection of next module
361
Cascade connection of previous module
362
MODBUS communication
363
Aluminum heat exchanger
374
Safety sensor
388
Condensate discharge connection
A6
EN
cod. 3541Q764 - Rev. 00 - 05/2021
241
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