Trane Tracer ZN521 Installation And Operation Manual page 40

Chapter 4 Input/output functions and wiring for typical applications
Occupancy (open=occupied)*
Condensate overflow (closed=normal)*
Low-coil-temperature detection
(closed=normal)*
H
24 Vac
N
LonTalk
30
Figure 14. Electric heat unit
Fan status (closed=on)*
Entering water
temperature
Discharge air
temperature
†
24 V
Fan, high speed
†
24 V
Exhaust
†
24 V
Electric heat, stage 1
†
24 V
Electric heat, stage 2
24 V
Outdoor air damper actuator
AI4 input: See
Figures 5 and 6
on page 20 for
wiring options
Outdoor air or
generic temperature
* All binary inputs are configurable.
† Connect 24 V to an AC POWER (24V) terminal.
†
†
24 V
Generic/baseboard heat
LonTalk
in
out
CNT-SVX07C-EN