insTAllATiOn direcTiVe
64
MAY 2006
N45 MNA M10
N67 MNA M15
Air filter clogging sensor
Vacuum switch, providing the signal for the clogged air filter
alarm indicator.
Operating voltage
from 6V to 24 V
Condition at ambient pressure normally open
Closing vacuum
≥
52 mbar
Operating temperature
from - 22 °C to +80 °C
Maximum current
0,1 A (not inductive)
Poles
isolated
Exhaust gas temperature sensor
(N45 MNT M10.00-N67 MNT M15.00)
NiCr-Ni thermocouple sensor with insulated poles, providing
the signal for the analog indication of exhaust gas tempera-
ture.
Temperature
Voltage
°C
mV
100
4,10
200
8,13
300
12,21
400
16,40
500
20,65
600
24,91
700
29,14
800
33,30
900
37,36
Coolant temperature sensor
Resistor with negative temperature coefficient, providing
the signal for analog temperature indication.
Operating voltage
from 6V to 24 V
Calibration range
from 0 °C to 120 °C
Resistance value at 90 °C
51,2 ± 4,3
Ω
Poles
isolated
Oil pressure sensor
Rheostat component providing the signal for the analog
indication of pressure.
Operating voltage
from 6V to 24 V
Calibration range
from 0 bar to 10 bar
Resistance value at 0 bar
10
Ω
+3/-5
Ω
Resistance value at 2 bar
52 ± 4
Ω
Resistance value at 4 bar
88 ± 4
Ω
Resistance value at 6 bar
124 ± 5
Ω
Maximum value of resistance 184
Ω
Operating temperature
from -25 °C to +100 °C
Poles
isolated
21. SENSORS FOR DETECTION AND PANEL SIGNALING
Figure 4
Figure 50
04_236_N
04_237_N
Figure 51
04_238_N
Figure 52
04_260_N
