Kaysun KSEF-22 DN5.0, Инструкция для владельца и по установке

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⑤ D1D2 communication line connection (limited to ODU and system configuration)
A
B
D1 D2
D1 D2
D1 D2
X1 X2
X1 X2 X1 X2
CN6
CN2
CN2
CN2
L3 Ln
L1 L2
D1 D2 D1 D2 D1 D2
X Y
CN2 CN2
CN2
L3 Ln
L1
Achieving one-to-multiple and two-to-multiple functions of the IDU wired controller through D1D2
communication (a maximum of 16 sets)
D1D2 communication is 485 communication. The one-to-more and two-to-more functions of the IDU
wired controller can be achieved through D1D2 communication, as shown in the figure below:
IDU 1#
IDU 1#
Wired controller Wired controller
IDU 2#
IDU 2#
Centralized
controller
IDU 16#
IDU n#
Use shielded cables and ground the shield layer.
Use shielded cables and ground the shield layer.
Please use shielded wires, and the shield layer cannot be grounded.
The IDU can realize the one-to-more and two-to-more functions.
(master-slave wired controller needs to be set)
L1+L2 ≤ 200m, L3+Ln ≤ 1200m
L1+L3+Ln ≤ 1200m
···
IDU 3-15#
When the IDUs in the same refrigerant system are V8 IDUs, D1D2 communication can enable one-to-
multiple and two-to-multiple functions of the IDU wired controller.
To enable two-to-multiple functions, wired controllers must be of the same model.
Achieving centralized control of the IDU through D1D2 communication
The D1D2 communication line can also be connected to the centralized controller to achieve centralized
control of the IDU, as shown in the figure below:
Caution
···
3-(n-1)# IDU
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Installation