Selection Keys - LEGRAND 4 226 81 Installation And User Manual

2. ATS front panel description
2.1

Selection keys

• OFF button (F) – It selects the OFF operating mode.
• AUT button (G) – It selects the automatic mode.
• MAN button (H) – It selects the manual operating mode.
• • ▲ and ▼ keys (I) - Used to scroll through the display pages or to select the list of options in a menu.
pressing of ▼ and ▲ recalls up the main menu.
2.2 LEDs
• AUT LED (green) (D) – It indicates the automatic mode active.
• Alarm LED (red) (E) – Flashing, it indicates an active alarm.
• Line 1 voltage status LED (green) (C) – It indicates the line voltage of source 1 S.Q1 is within the programmed limits.
• Line 2 voltage status LED (green) (C) - It indicates the line voltage of source 2 S.Q2 is within the programmed limits.
• Q1 status LED (yellow) (B) - If fixed, it indicates the open or closed state of the devices Q1 source line 1. If flashing, it
indicates a mismatch between the desired state of the breaker and its true state detected by the feedback input.
• Q2 status LED (yellow) (B) - If fixed, it indicates the open or closed state of the device Q2 source line 2 breaker. If flashing,
it indicates a mismatch between the desired state of the breaker and its true state detected by the feedback input.
N.B. If the LED is on, the relative function is activated.
2.3 IR Input
• IR Input (L) – Connecting IR port to connect IR-USB or IR-WiFi dongle accessories. They allow the dialogue between ATS
and SW ACU or APP ACU.
Green AUT LED (D) lights (when selected).
A
B
C
LINE 1
Q1 LOAD
RESET MENU
OFF AUT MAN
D
_
AUT
+
OK
E
MENU
F G H
Fig. 1 - Frontal panel
Automatic transfer switch
4 226 82
LINE 2
Q2
I
L
IR COM
IEC 60947-6-1
4 226 81
Simultaneously
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