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WIRING DIAGRAM #PrelimWD | PROA180B2A3DEBDBB2B | 230‐3‐60 | SHEET 2 OF 7 | 12/10/19 DWN CHK
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UNLOADER
SOLENOID #1
TB1
HP2
HP1
TB1
TB1
CC2
CC1
Enable Compressor #1
Enable Compressor #2
Y1
Y2
O
C
C
BL
BL
A2
A1
A2
A1
CONTINUED ON SHEET 3
1,2,3,4,
10
Y
11,12,13,
14, 9
HP1
R
R
HPR1
14
13
BL
C
Y
351
HP2
R
R
HPR2
14
13
BL
C
O
345
TB1
HP1
TB1
HP2
Y
O
C
BL
TB1
Enable Unloader #1
U1
PR
T3
96 VA
CLASS 2
50/60HZ
24V
TB4
G‐14
Line
Voltage
TB4
K3
K4
NOTE: SEE “T3” ON SHEET 1
FOR WIRING CONTINUATION
PM AUX
NO
C
R
PM
NOTE: SEE “T1” ON SHEET 1
FOR WIRING CONTINUATION
T1
50/60HZ
0V
20
8V
23
0V
46
0V
11
5V
24V
0V
H4
H3
H2
H1
X3
X2
XF
X1
G‐14
R‐14
R‐14
R‐14
BL‐14
CB
TB2
TB2
PM
8
1
7
7
6
Remove jumper when field
installed safeties are used
R‐14
C
BK
BL
J2
J1
Y
O
Figure 17b: Typical Electrical Wiring Diagram
PR Series Installation, Operation, and Maintenance Manual
