Characteristics Of Temperature Sensors; Dimensions And Connections - Baxi PRIME Series Installation Manual

3.2.2 Characteristics of temperature sensors

External probe temperature sensor (NTC1000 Beta 3688 1kOhm@25°C)
Temperature [°C] -20
Resistance [Ω] 7578
Heating circuit flow - Return temperature sensor / DHW tank sensor (NTC10K Beta 3977 10KOhm@25°C)
Temperature [°C] 0
Resistance [Ω] 32505
Fume temperature sensor (NTC20K Beta 3970 20kOhm@25°C)
Temperature [°C] 0
Resistance [Ω] 66050
----- > 110
----- > 1009
3.3

Dimensions and connections

Connector Description
1
Safety valve
2 CH circuit water flow/DHW storage boiler
3 Condensate drain point
4 CH circuit/boiler drain tap
PRIME 26-30: DHW circuit hot water outlet (G1/2")
5
PRIME 1.24 : DHW tank return (G3/4")
6 Gas inlet
PRIME 26-30: DHW circuit cold water inlet
7
PRIME 1.24 : Cold water inlet with system filling tap
8 CH circuit water return
9 Filling tap
-16 -12 -8
6166 5046 4152
10 20 25
19854 12483 9999
10 20 25
40030 25030 20000 16090
120 130 140
768 592 461
1
2
3
-4 0 4
3435 2857 2387 2004
30 40 50
8060 5332 3608 2492
30 40 50
10610 7166 4943
150 160 170
364 290 233
4
5 6 7
7
8 12 16
1690 1433 1217
60 70 80
1754 1257 915
60 70 80
3478 2492 1816
180 190 -
189 155 -
9
8
BO-0000002
7696306 (01-12/17)
20 24
1040
90 100
677
90 100
1344
- -
- -