Trane Tracer ZN517, Installation And Operation Manual

Page: 41 / 111

Wiring requirements and options
CNT-SVX12C-EN 29
Figure 9. Wiring diagram for 4-cool applications
LED A B B A +20 GND -BI2- SET -BI1- ZN LED GND PIN
ZONE SENSOR ZONE SENSOR
SERVICE
ANALOG INPUTS ANALOG INPUTS COMM5
COMM5
24V GND
HVAC UNIT HVAC UNIT
Rh Rc 1 G 4 3 2 5NO5COM
LED
STATUS 5NC
BINARY INPUTS BINARY INPUTS
AI1 -DAT-
24V GND GND 24V OPN CLS
BINARY OUTPUT BINARY OUTPUT ECONOMIZER AC OUT AC OUT AC POWER AC POWER
On
Cancel
5
4
3
2
1
+
_
GND
-AI2-
LonTalk
In
Outdoor air
temperature
(optional)
Discharge air
temperature
LonTalk
Out
Compressor 1 contactor
Compressor 3 contactor
Tri-state
modulating
economizer
(optional)
Fan
H
N
24 Vac
Generic binary output (optional)
Compressor 2 contactor
G Y2
Compressor 4 contactor
Power*
R
Y3 Y4 Y1
Typical 3-wire
sensor
(optional)
Fan status or
generic
(optional)
Occupancy
or generic
(optional)
*Terminals Rc and Rh are provided as
inputs for 24 Vac power from the con-
trolled device. If the device has a sepa-
rate heating and cooling units, use Rh
for heat and Rc for cooling. If com-
bined, use only Rc (see “HVAC unit
electrical circuit wiring” on page 82).
Dry contacts
only
Common