Features Of The Temperature Sensors; Dimensions And Connections - Baxi 224 Combi 2 Installation And Service Manual

3 Technical specifications
Tab.12 Temperature sensor outdoor sensor (NTC1000 Beta 3419 1 kOhm @ 25 °C)
Temperature [°C] -20
Resistance [Ω] 7578
3
Tab.14 Flue gas temperature sensor (NTC20K Beta 3970 20kOhm@25°C)
Temperature [°C] 0
Resistance [Ω] 66050
— — — — —> 110
— — — — —> 1009
3.3

Dimensions and connections

Fig.3 Dimensions and connections
Combi 2
16
3.2.2
-15 -10 -5
5861 4574 3600
10 20 25
40030 25030 20000
120 130 140
768 592 461
1
2
3
4
5
6
7

Features of the temperature sensors

0 5 10
2857 2284 1840
30 40 50
16090 10610 7166
150 160 170
364 290 233
2
3
Safety valve
Heating circuit flow fitting (G3/4")
Fitting for condensate discharge
DHW (Domestic Hot Water) outlet fitting (G1/2")
Gas inlet fitting (G3/4")
Domestic cold water inlet fitting (G1/2")
Heating circuit return fitting (G34")
15 20
1492 1218
60 70 80
4943 3478 2492
180 190 -
189 155 -
1
5
4
6
7
25 30
1000 827
90 100
1816 1344
- -
- -
BO-0000199-1