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5.
Using the automatic transfer switch
5. Using the automatic transfer switch
5.1 Interface
6
5
7
8
9
10
11
Figure 5.1:
Description of ATS021 front panel interface
Ref.
Description
1
CB1: pushbutton for opening/closing circuit breaker CB1
2
CB2: pushbutton for opening/closing circuit breaker CB2
3
RESET: alarms reset button
4
TEST: test mode selection pushbutton
5
LED LN1: line 1 status indicator
6
LED LN2: line 2 status indicator
7
LED CB1: CB1 circuit breaker status indicator
8
LED CB2: CB2 circuit breaker status indicator
9
LED POWER: indicates power supply presence
10
LED AUTO: indicates automatic or manual mode
11
LED ALARM: indicates active alarm
12
Ts: Switching delay times rotary switch
13
Lim: Automatic/manual mode rotary switch and voltage limit thresholds
14
Serial No.
Table 5.1:
Description of ATS021 interface
1SDH000759R0002
Installation and operating instructions, ATS021
ATS021
M3010004A
RESET
Ts
Lim
Tbs=300s
MAN.
AUTO
0s 10
10
30
30
15
20
20
20
20
10
30
10
30
0 s
+
- %
Tbs=Ts
SETUP
13
14
4
3
2
1
12
13
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