Trane Tracer ZN.520 Installation Owner Diagnostics page 31

Binary Inputs
1
Table 11: Binary input summary
Binary input
BI 1
BI 2
BI 3
BI 4
1. Trane Rover service tool uses the unit type to determine and download the proper default binary input configuration.
Analog Inputs
1
Table 12: Analog input summary
Analog input
Zone
Set
Fan
AI 1
AI 2
AI 3
AI 4
1. Trane Rover service tool uses the unit type to determine and download the proper default analog input configuration.
2. Analog input 3 (AI 3) configured as generic temperature input does not affect unit operation. When configured, the Tracer™ ZN .520 Unit
Controller communicates the generic temperature value to Rover or Tracer Summit and displays it as generic temperature.
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Configuration
Configuration
Low coil temperature detection or not used
Not used
Occupancy, generic, or not used
Fan status or not used
Configuration
Space temperature
Setpoint (hardwired)
Fan switch
Entering water temperature
Discharge air temperature
Outdoor air temperature or generic temperature input
(Note 2)
Humidity, CO2 or generic
4-20mA input
Valid range
Normally open
Normally closed
Normally open
Normally closed
Normally open
Normally closed
Normally open
Normally closed
Calibration range
+/- 10.0°F
(0.1°F resolution)
+/- 10.0°F
(0.1°F resolution)
NA
NA
NA
NA
NA
UV-SVP01A-EN