G3408C, G3412C, G3508, G3512 and G3516 Gas Engine Driven Chillers Caterpillar


Sensors

Usage:

G3408 6FW

Temperature Sensors




Illustration 1g00562376

113-9126 Electronic Sensor

Table 1
Pin/Socket     Color    
(A)     Purple    
(B)     Gray    
(C)     Not Connected    



Illustration 2g00562391

138-1435 Temperature Sensor (RTD)

138-1435 Temperature Sensor (RTD)

Temperature Range ... -50 to 260 °C (-58 to 500 °F)
Resistive Temperature Coefficient ... 0.00385 Ohm/Ohm °C
Resistance ... 100 Ohms ± 0.1% at 0 °C (32 °F)

Table 2
Wire Color     Connection    
White     minus    
White     L    
Yellow     plus    

141-5338 Thermistor

Table 3
Temperature     Resistance    

0 °C (32 °F)    
9.68 to 9.9 KOhms    

25 °C (77 °F)    
2.965 to 4.045 KOhms    

Pressure Sensor




Illustration 3g00562468

107-7142 Pressure Sensor

107-7142 Pressure Sensor

Maximum Pressure ... 882 kPa (127.93 psi)
Supply Voltage ... 5 ± 0.25 VDC
Supply Current ... 20 mA Maximum
Installation Torque ... 10 ± 2 N·m (7 ± 1.5 lb ft)

Table 4
Socket     Circuit     Color    
(A)     +5 VDC     Orange    
(B)     Ground     Yellow    
(C)     Signal     Green    

Table 5
Signal     Pressure    
0.87 V    
170.4 kPa (24.71 psi)    
4.073 V    
721.9 kPa (104.70 psi)    

Speed Sensor




Illustration 4g00562485

9X-5392 Speed Sensor (Engine)

9X-5392 Speed Sensor (Engine)

Torque for the locknut ... 25 ± 5 N·m (18 ± 4 lb ft)
Output Voltage ... 14.8 V peak to peak
Resistance ... 110 to 200 Ohms

Table 6
Pin     Circuit     Color    
(1)     Signal -     Black    
(2)     Signal +     White    
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