Owner’s Manual

How to set
Installation Manual 11
ENGLISH
How to inspect
1. How to make sure that the central control is normally connected
• Make sure that the LD4 periodically blinks.
• If the
LD4 does not periodically blink, make sure that the DIP switch and the rotary switch (address setting)
are correct.
• Make sure that the BusA and the BusB line are correctly connected.
2. How to make sure that the relay is turned on/off
• If the relay is turned on, the
LD2 is turned on.
• If the relay is turned off, the
LD2 is turned off.
1234
CN_COMM
CN_POWER
LD4 : 485 communication LED
LD2 : Relay status LED