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2.6.2 Restore default setting of central controller
When the default setting of the central controller is restored, all
configurations and settings are reset to the delivered condition.
2.6.3 Connections on reverse side (AC EXP only)
Fig. 5
Connections on rear (only AC EXP expansion board connections for ACC MT central controller; shown without cover)
[8] Analogue I/O
[9] Ethernet 2 Modbus/TCP
[10] XYE 2
[11] XYE 3
[12] XYE 4
[13] Modbus/RTU
10
8
9
13
12
11
10
To restore the default setting of the central controller:
▶ Press and hold Factory-Reset [Fig. 4, Item 4].
The LED next to the pushbutton flashes after roughly
5 seconds.
▶ Briefly release the Factory-Reset while LED is flashing.
▶ Press Factory-Reset again and hold for at least 5 seconds
while the LED is flashing.
The LED lights up continuously. The central controller has
now been reset to the default setting.
Air Center Control – 6720892132 (2021/10)
0010024445-002
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