EXTREMA
33
EN
cod. 3540S060 - 04/2010 (Rev. 00)
4.6 Wiring diagram
fig. 41 - Wiring diagram
A
Important
: Before connecting the
room thermostat
or the
remote timer control
, remove the jumper on the
terminal block.
16
Fan
32
Heating circulating pump
42
DHW temperature sensor
44
Gas valve
72
Room thermostat (not supplied)
72B
Second room thermostat (not supplied)
82
Detection electrode
95
Diverter valve
136
Flow meter
138
External probe
139
Remote timer control
186
Return sensor
188
Ignition electrode
191
Fume temperature sensor
246
Pressure transducer
256
Modulating heating circulating pump signal
278
Double sensor (h safety)
A
Flow meter ON/OFF contact
95
A
191
16
186
188
278
138
DBM23A
DSP08
256
246 42
136
72b
72/139
82
32
16
44
N
L
230V
50Hz
OUT
GND
GND
OUT
+5V
GND
OUT
+5V
T°
T°
