LG 128 Expansion Kit Installation Manual page 12

Installation of AC Smart 128 Expansion Kit
5
. Connect the power of AC Smart and power of AC Smart 128 Expansion Kit. After connecting the
power, check whether the red LED of the AC Smart 128 Expansion Kit is turned on.
When the red LED is turned on, it is normally connected.
6
. Assemble the case of AC Smart 128 Expansion Kit.
7
. Use the system setting function of AC Smart to register the system information of the 128 units.
Caution: In case of 251 error
When the connection of AC Smart 128 Expansion Kit to AC Smart is disconnected
after connecting the AC Smart 128 Expansion Kit, more than 64 units among the units
of AC Smart will generate 251 error. In this case, check the connection between AC
Smart and expansion kit.
12 128 Expansion Kit
1 2 3 4
Red LED: Shows the connected
condition with AC Smart
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