McQuay MDS080BR Guide d'installation Page 50

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Vue de la page 49
-50-
Design & installation Guide For McQuay MDS Multi System
2.7.3 MDS080 240B/BR
BA
B
A
J2
BA
B
in
A
pc
A
in
B
pc
Connecting central control(optional)
B
in
A
pc
AB
pc
R
S
T
N
QF
L1 L2 L3 N
380V/3N~/50Hz
Communication wire
Communication wire
Indoor unit 1 Indoor unit 2
Indoor unit 3
Indoor unit i
Shielded wire
Main board
Communic-
ation port
Unit electric control box
Outdoor Indoor
Main board
Communic-
ation port
Main board
Communic-
ation port
Main board
Communic-
ation port
Communication wire
Main power 
terminal support
The communication cable at the end of
indoor unit J2-1 needs to be set to ON.
Te
rm
in
a
l a
m
plifie
d figu
re
2.7.4 MDS260 300B/BR
Slave unit
AB
AB
in
B
in
A
pc
AB
pc
Master unit
in
B
in
A
pc
AB
pc
R
S
T
N
QF
L1 L2 L3 N
380V/3N~/50Hz
R
S
T
N
QF
L1 L2 L3 N
380V/3N~/50Hz
B
A
J2
Indoor unit 1
Indoor unit i
Indoor unit 2
Main board
Communic-
ation port
Main board
Communic-
ation port
Main board
Communic-
ation port
Outdoor
Outdoor
Indoor
Unit electric control box
Main board
Communic-
ation port
Main board
Communic-
ation port
Main power 
terminal support
Connecting central control(optional)
Unit electric control box
Main power 
terminal support
Communication wire Communication wire
Communication wire
Communication wire
The communication cable at the end of
indoor unit J2-1 needs to be set to ON.
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