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WIRINGDIAGRAM#PrelimWD|PROA180B2A3DEBDBB2B|230‐3‐60|SHEET6OF7|12/10/19DWNCHK.
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4
Xnet‐
Gnd
Xnet+
HeatingEnable
Y
R
O
W
PR
SEEUNIT24VCONTROL
TERMINALBOARD
PK
OD
W1
RH
Y2
Y1
G
R
HotGasReheat
Enable
Compressor#2
Enable
Compressor#1
Enable
SupplyFanEnable
OutdoorAIr
DamperEnable
SC
SubcoolingCoil
Enable
HP1
Y
HP2
O
GY
PR
OADA‐A(Adj.)
NO COM
CC2‐CS
CC1‐CS
LP1
HPR1
9 5
LP2
HPR2
9 5
W
W
BR
O
GY
BK
Y
Y
W
W
BK
GY
O
BR
BK
W
G
ALCEXPANDERBOARD
CONNECTIONS
FA CTORYWIRI NG
FIELDWIRING
TERMINALBOARD
SYMBOLLEGEND
WIREALLSHIELDWIRESTOCLOSESTTB‐AorTB‐D
“GND”TERMINALATTHECONTROLPANEL
4
Power
on
Xnet
Baud
Gnd
24VAC
I/OFLEXEX8160
EXPANDER
(
0843P‐0548)
R
Gnd16
UI‐16
+15
16
Xnet
Remote
Expansion
15
1
2
4
5
3
7
8
6
10
11
9
13
14
12
BO‐8
Gnd
Xnet‐
Xnet+
Gnd14
UI‐15
+13
Gnd12
UI‐14
+11
Gnd10
UI‐13
+9
Gnd8
UI‐12
+7
Gnd6
UI‐11
+5
Gnd4
UI‐10
+3
Gnd2
UI‐9
+1
Gnd16
BI‐8
+15
Gnd14
BI‐7
+13
Gnd12
BI‐6
+11
Gnd10
BI‐5
+9
Gnd8
BI‐4
+7
Gnd6
BI‐3
+5
Gnd4
BI‐2
+3
Gnd2
BI‐1
+1
Universal
Inputs9‐16
0‐5V
Therm/
Dry
0‐5V
Therm/Dry
Digital
Inputs1‐8
BO‐7
BO‐6
BO‐5
BO‐4
BO‐3
BO‐2
BO‐1
Xnet
Remote
Expansion
ALC,IOPRO812u
SEESHEET5
BK
W
G
0
5
Expander
Address
62.5k
500k
Error
Run
BO‐1
LED
BO‐2
LED
BO‐3
LED
BO‐4
LED
BO‐5
LED
BO‐6
LED
BO‐7
LED
BO‐8
LED
BL
SEETB4ONUNIT
WIRINGDIAGRAM
TB4
K3
K4
PK
PK
SF‐CS
BK
W
GBK
W
G
Figure 17f: Typical Electrical Wiring Diagram
PR Series Installation, Operation, and Maintenance Manual