Wiring The Analog Input For Temperature Or Using A Thermistor - Johnson Controls FMS-2000C Installation Manual

FMS-2000C
Table 13: Remote sensor guidelines
Analog input
Analog input 1 Differential pressure
Analog Input 2, 3, 4 Differential pressure
Flow, air changes display supported
Temperature
Humidity
CO
Thermostat, AI - 2 only

Wiring the analog input for temperature or using a thermistor

Figure 20: Temperature sensor wiring diagram
Step Down
Isolation Transformer
Note: This wiring diagram associates the thermistor with contacts T1 and AGND for illustrative purposes only. In fact, either of the two
thermistors can be used.
Sensor type
, AI - 3 and AI - 4 only
2
Pressure range
+/- 0.01 in. (0.25 mm)
+/- 0.05 in. (1.27 mm)
+/- 0.10 in. (2.54 mm)
+/- 0.20 in. (5.08 mm)
+/- 0.25 in. (6.35 mm)
+/- 0.01 in. (0.25 mm)
+/- 0.05 in. (1.27 mm)
+/- 0.10 in. (2.54 mm)
+/- 0.20 in. (5.08 mm)
+/- 0.25 in. (6.35 mm)
26
Voltage range
4 mA - 20 mA, default
0 mA - 20mA
0 V - 5 V
0 V - 10 V
1 V - 5 V
2 V - 10 V
0 V - 5 V
0 V - 10 V
0 mA - 20 mA
1 V - 5 V
2 V - 10 V
4 mA - 20 mA
LIT-12013508