![Johnson Controls Frick RXB Plus 12 Installation Operation & Maintenance Download Page 55](http://html.mh-extra.com/html/johnson-controls/frick-rxb-plus-12/frick-rxb-plus-12_installation-operation-and-maintenance_2023231055.webp)
RXB PLUS ROTARY SCREW COMPRESSOR UNITS
MAINTENANCE
070.101-IOM (JAN 13)
Page 55
8
8
8
9
9
9
4
4
4
5
5
5
COMPUTER TO MICROPROCESSOR WIRING DIAGRAM
COMPUTER
COMMUNICATIONS
PORT: AC-422
COMPRESSOR #1
PORT #1
COMPRESSOR #2
PORT #1
B
LK
W
H
T
R
E
D
1
1
N
E
U
TR
A
L
O
IL LE
V
EL
S
W
IT
C
H
R
EM
O
T
E
R
U
N
R
EM
O
T
E LO
A
D
R
EM
O
T
E
U
N
LO
A
D
C
O
M
PR
E
S
SO
R
A
U
X
C
O
M
P
R
ES
S
O
R
ST
A
R
T
R
ELA
Y
O
IL
P
U
M
P
SE
L SW
A
U
X
2
PO
W
ER
PO
W
ER
D
A
TA
B
IT
0
D
A
TA
B
IT
1
D
A
TA
B
IT
2
D
A
TA
B
IT
3
O
IL
H
E
A
TE
R
R
E
LA
Y
O
IL
PU
M
P
S
E
L
S
W
S
P
A
R
E
S
LI
D
E
V
AL
V
E LO
A
D
S
LID
E
V
AL
V
E
U
N
LO
A
D
SL
ID
E
S
TO
P
IN
C
R
E
A
SE
SLID
E
S
TO
P
D
EC
R
E
A
SE
LIQ
U
ID
IN
JE
C
T
IO
N
(IF
R
E
Q
’D
)
H
I V
I LI
Q
IN
J (I
F
R
E
Q
’D
)
E
C
O
N
O
M
IZ
ER
(IF
R
E
Q
’D
)
A
LA
R
M
AU
X
1
SBC WIRING DIAGRAM
RXB PLUS TELECOMMUNICATIONS