Trane Tracer ZN.520

CNT-SVX04A-EN
iii
Contents
Introduction............................................................................ 3
The Trane family of Tracer zone controllers.................................... 3
Supported products .............................................................. 4
Macon, Georgia, business unit ....................................................... 4
Waco, Texas, business unit ............................................................ 5
Features.................................................................................. 6
Circuit board........................................................................... 7
Physical specification ............................................................ 8
Configurations ...................................................................... 11
Binary outputs ..................................................................... 12
General description ............................................................................. 12
Example applications .................................................................... 13
Generic binary output/Baseboard heat output .............................. 21
Output overrides........................................................................... 21
Analog outputs.............................................................................. 21
Binary inputs........................................................................ 22
Condensate overflow..................................................................... 23
Low coil temperature detection.................................................... 23
Fan status ..................................................................................... 23
Occupancy .................................................................................... 24
Generic binary inpu ....................................................................... 25
Defrost .......................................................................................... 26
Analog inputs....................................................................... 27
Analog input summary.................................................................. 27
Space temperature ....................................................................... 27
Local setpoint ............................................................................... 27
Fan mode input............................................................................. 28
Entering water temperature .......................................................... 29
Discharge air temperature ............................................................ 29
Outdoor air temperature ............................................................... 30
Generic temperature input............................................................ 30
Universal 4–20 mA input............................................................... 30
Zone sensor.......................................................................... 32
Space temperature measurement................................................ 32
Internal and external setpoint adjustment .................................... 32
Fan switch .................................................................................... 34