Trane Tracer ZN517 - Wiring Requirements and Options

Chapter 7 Applications for the heat pump configuration
46 CNT-SVX12C-EN
Wiring requirements and options
Table 15 shows required controller inputs for minimal proper operation of
all heat pump applications.
Table 16 shows optional controller inputs and outputs for specific
applications.
Figure 14 on page 47 shows all required and optional components con-
nected for heat pump applications.
Table 15. Required controller inputs for proper operation
Function Input source
For more information,
see:
24 Vac power Terminals: GND, 24 V “AC power wiring” on
page 85
Zone temperature Terminals: ZN, GND
or communicated
“ZN: Zone tempera-
ture” on page 54
Table 16. Optional controller inputs and outputs for specific
applications
Application Input/Output
For more information,
see:
Economizing Input:
DAT (discharge air temperature)
“Economizing” on
page 23
Input:
AI2 (outdoor air temperature)
Outputs:
24 V (24 Vac common)
OPN (binary output)
CLS (binary output)
Discharge air
tempering*
Input: DAT “Discharge air tem-
pering” on page 24
Demand control
ventilation*
Input:
AI1 (CO
2
sensor)
“Demand control
ventilation” on
page 24
Cascade control Input: DAT “Cascade zone con-
trol” on page 20
* In order to use this function, the economizing function must be enabled.