Trane UniTrane Installation Operation & Maintenance page 75

Analog Inputs
Table 28. Analog Inputs
Description Terminals
Zone TB3-1
Ground TB3-2
Set TB3-3
Fan TB3-4
Ground TB3-6
Analog Input 1 J3-1
J3-2
Analog Input 2 J3-3
J3-4
Analog Input 3 J3-5
J3-6
Analog Input 4 J3-7
J3-8
Ground J3-9
Notes:
1) The zone sensor, entering water temperature sensor, discharge air sensor, and the outside air tempera-
ture sensor are 10KW thermistors.
2) Zone sensor:
Wall mounted sensors include a thermistor soldered to the sensor's circuit board.
Unit mounted sensors include a return air sensor in the units return air stream.
3) Changeover units include an entering water temperature sensor.
UNT-IOM-6
Function
Space temperature input
Analog ground
Setpoint input
Fan switch input
Analog ground
Entering water temperature
Analog ground
Discharge air temperature
Analog ground
Fresh air temp/Generic temp
Analog ground
Universal Input
Generic 4-20ma
Humidity
CO2
Analog ground
Analog ground
®
Tracer ZN.520
Range
5° to 122°F (-15° to 50°C)
NA
40° to 115°F (4.4° to 46.1°C)
4821 to 4919 W (Off)
2297 to 2342 W (Auto)
10593 to 10807 W (Low)
13177 to 13443 W (Medium)
15137 to 16463 W (High)
NA
-40° to 212°F (-40° to 100°C)
NA
-40° to 212°F (-40° to 100°C)
NA
-40° to 212°F (-40° to 100°C)
NA
0 – 100%
0 – 100%
0 – 2000ppm
NA
NA
75