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Idiomas disponibles
XYE, H1H2 communication wiring
For JR8(V) combinable series
Centralized controller
E
X Y
X Y E
Refrigerant system 1#
P Q
X Y E
Refrigerant system 2#
P Q
For JR8V individual series
Centralized controller
X Y
E
X Y E
Refrigerant system 1#
P Q
X Y E
Refrigerant system 2#
P Q
The H1H2 communication lines of the outdoor unit should be connected in a chain starting from the master unit to the
last slave unit. The XYE communication lines of the outdoor unit should be connected to the master unit.
The cross-sectional area of each core of the communication wiring is not less than 0.75 mm
exceed 1200m.
Connect the shielding nets at both ends of the shielded wire to the sheet metal "
Master ODU
P Q
E
H1
H2
L
N
P Q
E
E
L
N
IDU 1#
IDU 2#
Master ODU
P Q
E
H1
H2
L
N
P Q
E
E
L
N
IDU 1#
IDU 2#
Master ODU
E
P Q
H1H2
L
N
P Q
E
E
L
N
IDU 1#
IDU 2#
Master ODU
E
P Q
H1H2
E
L
N
P Q
L
N
E
IDU 1#
IDU 2#
CAUTION
45
Slave ODU
H2
H1
...
3-(n-2)# IDU
P Q
L
E
IDU (n-1)#
Slave ODU
Slave ODU
H2
H1
...
3-(n-2)# IDU
L
P Q
E
IDU (n-1)#
...
3-(n-2)# IDU
L
P Q
E
IDU (n-1)#
...
3-(n-2)# IDU
P Q
E
L
IDU (n-1)#
, and the length must not
2
" of the electronic control box.
L
N
P Q
E
N
IDU n#
Resister
H1
H2
L
N
P Q
E
N
IDU n#
Resister
Figure 5.48
L
N
P Q
E
N
IDU n#
Resister
N
E
L
N
P Q
IDU n#
Resister
Figure 5.49
V.1
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