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Valent VX Series Controller
55
Appendix F: Factory ModBus Connections
U
N
IT
C
O
N
TR
O
LL
ER
G
ND
R
x+
G
ND
I/O
EXP
AN
SION
FURN
AC
E 1
N
ETB
G
ND
PW
R
N
ET
A
N
ETB
G
ND
PW
R
N
ET
A
N
ETB
G
ND
PW
R
N
ET
A
N
ETB
G
ND
PW
R
N
ET
A
J2
6
TE
RM
G
ND
J2
4
+V
+
_
C
OM
AIR
FL
OW
SH
IE
LD
ED
C
AB
LE
SH
IE
LD
ED
C
AB
LE
SH
IE
LD
ED
C
AB
LE
FURN
AC
E 2
C
O
M
PO
N
ENT
S M
O
UNT
ED
AND W
IR
ED
BY
F
ACT
O
RY
C
O
M
PO
N
ENT
S FI
EL
D M
O
UNT
ED
AND
WIR
ED IN R
OO
M/
SPA
CE
MA
IN
UN
IT
C
O
N
TR
O
L C
EN
TE
R
FURN
AC
E C
O
N
TR
O
L C
EN
TE
R
(O
PTIO
N
AL)
(O
PTIO
N
AL)
(O
PTIO
N
AL)
(O
PTIO
N
AL)
(O
PTIO
N
AL)
R
OO
M
T
H
ER
M
O
ST
AT 1
R
OO
M
T
H
ER
M
O
ST
AT 2
R
OO
M
T
H
ER
M
O
ST
AT 3
R
OO
M
T
H
ER
M
O
ST
AT 4
(O
PTIO
N
AL)
(O
PTIO
N
AL)
(O
PTIO
N
AL)
(O
PTIO
N
AL)
SH
IE
LD
ED
N
ETB
G
ND
PWR
N
ETB
G
ND
PWR
N
ETA
N
ETA
FIE
LD
W
IR
ING
FA
C
TO
R
Y W
IR
ING
SH
IEL
DED
C
ABL
E
FA
CT
O
R
Y M
O
D
BU
S C
O
NN
ECTI
O
NS
DR
WG
:2
94
8063
-00
Tx-
R
x+
C
AB
LE
SH
IE
LD
ED
C
AB
LE
IN
VE
R
TE
R
E
EV
(O
PTIO
N
AL)
M
O
N
IT
O
R
IN
G 1
AIR
FL
OW
M
O
N
IT
O
R
IN
G 2
Tx-
R
x+
G
ND
Tx-
+
_
C
OM
R
x+
G
ND
Tx-
R
x+
G
ND
Tx-
SH
IE
LD
ED
C
AB
LE
SH
IE
LD
ED
C
AB
LE
SH
IE
LD
ED
C
AB
LE
SH
IE
LD
ED
C
AB
LE
SH
IE
LD
ED
C
AB
LE
R
S4
85
IN
VE
R
TE
R
DR
IV
E
(O
PTIO
N
AL)
C
O
MP
R
ES
SOR
R
EF
R
IG
ER
ATION
SE
R
VIC
E C
O
MPA
R
TME
NT
G
R
O
UND
SH
IE
LD
SN
IPP
ED