17
GENERAL INFORMATION
1.10
Water circuit
9
RI
1
8
7
6
1
8
7
6
2
3
5
RI
MI
MI
10 11
4
9
2
3
5
1
Heat exchanger
2
Pump (only for "P" models)
3
Drain cock
4
Minimum pressure switch
5
NTC return probe
6
NTC delivery probe
7
Safety thermostat temperature sensor
8
Automatic bleed valve
9
Flow-meter
10
Water return manifold
11
Water flow manifold
MI
Central heating flow
RI
Central heating return
Values of NTC probes' resistors with changing temperatures.
Temperature °C
Tolerance test
±
10%
Resistor
Ω
Temperature °C
Tolerance test
±
10%
Resistor
Ω
-40
191908
45
4904
-35
146593
50
4151
-30
112877
55
3529
-25
87588
60
3012
-20
68471
65
2582
-15
53910
70
2221
-10
42739
75
1918
-5
34109
80
1663
0
27396
85
1446
5
22140
90
1262
10
17999
95
1105
15
14716
100
970
20
12099
105
855
25
10000
110
755
30
8308
115
669
35
6936
120
594
40
5819
125
529
