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Idiomas disponibles
Idiomas disponibles
[ Caution ]
If the total distance is ≤ 200m and the total number of IDUs is ≤ 10 sets, the valve is powered and controlled by the
master ODU.
If the total distance is longer than 200m or the total number of IDUs is more than 10 sets, a repeater is required to
increase the bus voltage.
The load capacity of the repeater is the same as that of the ODU, and it can load a bus length of 200m or 10 IDUs.
The number of IDUs requiring power supply in the same refrigerant system does not exceed 30 sets.
A maximum of two repeaters can be installed in the same refrigerant system.
Keep the power on/off for both the repeater and the ODU, or use an uninterruptible power supply.
For repeater installation, refer to the repeater installation manual. Do not connect the upstream and downstream IDU
ports of the repeater in reverse; otherwise, it will cause a communication failure.
The repeater is optional. If you need to purchase it, please contact your local dealer.
B
HyperLink communication (with uniform power supply)
Single unit: When the IDUs are provided with uniform power supply, it is not necessary for HyperLink communication
line to provide independent power supply for IDUs. In this case, use 2×0.75mm
and M2 ports are located at terminal block "CN10" of the main control board. There is no distinction
between negative and positive electrodes. For details, see the following figure:
[ Caution ]
Do not connect the HyperLink communication line to the PQ or D1D2 communication line.
CN10
Main
control
board
M1 M2
Connect to ODU M1M2
(HyperLink)
49
Installation
communication cables. M1
2
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