Water Circuit; Positioning The Temperature Sensors - Beretta POWER MAX 50 P DEP Installation And Operation Manual

1 9 Water circuit

5
4
3
2
RI
Heat exchanger
1
Circulator (only for models POWER MAX 50 P
2
DEP - POWER MAX 80 P)
Drain cock
3
Minimum pressure switch
4
NTC return probe
5
NTC delivery probe
6
Safety thermostat temperature sensor
7
Automatic bleed valve
8
Flow-meter
9
Central heating flow
MI
12
Central heating return
RI
Values of NTC probes' resistors with changing temper-
atures
Temperature
°C
Tolerance test
±10%
-40
-35
-30
-25
-20
-15
-10
-5
0
5
10
15
20
25
30
35
40
1 6 7 8
Temperature
Resistor °C
Tolerance test
Ω
±10%
191908 45
146593 50
112877 55
87588 60
68471 65
53910 70
42739 75
34109 80
27396 85
22140 90
17999 95
14716 100
12099 105
10000 110
8308 115
6936 120
5819 125
1 10 Positioning the temperature
sensors
Probes placed on the related sockets of the thermal
module (POWER MAX 50 P DEP - POWER MAX 50 P):
Exhaust flue probe
1
Safety thermostat temperature sensor
2
CH flow temperature sensor
3
Return probe
4
9
MI
Front view
Probes placed on the related sockets of the thermal
module (POWER MAX 65 P ÷ POWER MAX 150):
Exhaust flue probe
1
Safety thermostat temperature sensor
2
CH flow temperature sensor
3
Return probe
4
Resistor
Ω
4904
4151
3529
3012
2582
2221
1918
1663
1446
1262
1105
970
855
755
669
594
529
Front view
3
2
4
1
Side view
3
2
4
1
Side view
1
3
2
1