5. TECHNICAL DATA AND CHARACTERISTICS
5.1 General view and main components
29
5
16
278
40
341
130
250
194
193
95
145 10
8 44 7
fig. 29 - General view ECONCEPT ST 25
29
5
16
278
40
341
130
250
194
193
95
145 10
8 44 7 37
fig. 30 - General view ECONCEPT ST 35
42
EN
195
56
22
82
188
161
19
196
186
243
36
14
246
32
37
9 74
11
195
56
22
82
188
161
19
196
186
243
36
14
246
32
9 74
11
cod. 3540S814 -
5.2 Water circuit
16
278
196
193
154
250
95
241
10
194
44
8
7
9
fig. 31 - Water circuit
5
Sealed chamber
7
Gas inlet
8
Domestic hot water outlet
9
Cold water inlet
10
System delivery
11
System return
14
Safety valve
16
Fan
19
Combustion chamber
22
Main burner
29
Fume outlet manifold
32
Heating circulating pump
36
Automatic air vent
40
DHW expansion tank
44
Gas valve
56
Expansion tank
72
Room thermostat
74
System filling cock
82
Detection electrode
95
Diverter valve
130
DHW circulating pump
138
External probe
139
Remote timer control
145
Water gauge
154
Condensate drain pipe
155
Hot water tank temperature probe
161
Condensing heat exchanger
186
Return sensor
188
Ignition electrode
193
Trap
194
DHW exchanger
195
Storage
196
Condensate tray
201
Mixing chamber
209
Hot water tank delivery
210
Hot water tank return
241
Automatic bypass
243
DHW temperature probe
246
Pressure transducer
250
System delivery filter
256
Modulating heating circulating pump signal
278
Double sensor (Safety + Heating)
341
Exchanger probe
/201
(Rev. 00)
ECONCEPT ST
161
56
130
186
246
36
32
14
11
243
195
40
74