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213
215
Electric System
216 a
KD 702_1003_1404 Workshop Manual_cod. ED0053029340_1° ed_
214
216
Black
Nero
Temperature sensor for control unit
In engines fitted with the above-mentioned type of control unit,
the introduction of the glow plugs depends on a temperature
sensor that varies preheating temperature in relation to the
coolant temperature.
Characteristics:
Temperature range ................ -30 ÷ +50°C
Voltage range ........................ 6÷24 V
Temperature max................... 150°C
Max. tightening torque. .......... 30 Nm.
Oil pressure switch (Fig. 215)
Characteristics:
Opening pressure: 0,15÷0,45 bar (for gen-sets: 1,4 bar).
Tightening torque 25 Nm.
Coolant high temperature lamp sensor (Fig. 216)
Characteristics:
Circuit ............................................. single pole
Voltage range ................................. 6÷24 V
Max. Power Absorption................... 3 W
Closing temperature ....................... 107÷113°C
Tightening torque 25 Nm.
Pre-heating water temperature thermistor and Water
temperature indicator thermal contact
T1 thermal contact features:
Circuit .........................................................
Contact closing temperature.......................
Contact opening temperature .....................
Supply voltage ............................................
Thermocontrol max power ..........................
T2 thermal contact features:
..........Temperature ............................Resistance
................. -30 ........................................12000
................. -20 .........................................7000
................... 0 ..........................................2800
.................+20 ........................................1350
.................+40 .........................................750
.................+60 .........................................490
.................+80 .........................................360
................+100 ........................................300
................+120 ........................................270
Tightening torque ...................... MAX 30 Nm.
11
Electric System
unipolar
110° C ± 3° C
> 85° C
12÷24 V
3 W
- 103 -
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