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WIRING DIAGRAM #PrelimWD | PROA180B2A3DEBDBB2B | 230‐3‐60 | SHEET 6 OF 7 | 12/10/19 DWN CHK
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4
Xnet‐
Gnd
Xnet+
Heating Enable
Y
R
O
W
PR
SEE UNIT 24V CONTROL
TERMINAL BOARD
PK
OD
W1
RH
Y2
Y1
G
R
Hot Gas Reheat
Enable
Compressor #2
Enable
Compressor #1
Enable
Supply Fan Enable
Outdoor AIr
Damper Enable
SC
Subcooling Coil
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
ALC EXPANDER BOARD
CONNECTIONS
FACTORY WIRING
FIELD WIRING
TERMINAL BOARD
SYMBOL LEGEND
WIRE ALL SHIELD WIRES TO CLOSEST TB‐A or TB‐D
“GND” TERMINAL AT THE CONTROL PANEL
4
Power
on
Xnet
Baud
Gnd
24VAC
I/O FLEX EX8160
EXPANDER
(
0843P‐0548)
R
Gnd 16
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+
Gnd 14
UI‐15
+ 13
Gnd 12
UI‐14
+ 11
Gnd 10
UI‐13
+ 9
Gnd 8
UI‐12
+ 7
Gnd 6
UI‐11
+ 5
Gnd 4
UI‐10
+ 3
Gnd 2
UI‐9
+ 1
Gnd 16
BI‐8
+ 15
Gnd 14
BI‐7
+ 13
Gnd 12
BI‐6
+ 11
Gnd 10
BI‐5
+ 9
Gnd 8
BI‐4
+ 7
Gnd 6
BI‐3
+ 5
Gnd 4
BI‐2
+ 3
Gnd 2
BI‐1
+ 1
Universal
Inputs 9‐16
0‐5V
Therm/
Dry
0‐5V
Therm/Dry
Digital
Inputs 1‐8
BO‐7
BO‐6
BO‐5
BO‐4
BO‐3
BO‐2
BO‐1
Xnet
Remote
Expansion
ALC, IO PRO 812u
SEE SHEET 5
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
SEE TB4 ON UNIT
WIRING DIAGRAM
TB4
K3
K4
PK
PK
SF‐CS
BK
W
G
BK
W
G
Figure 17f: Typical Electrical Wiring Diagram
PR Series Installation, Operation, and Maintenance Manual
