Emerson Liebert Static Transfer Switch Instructions d'exploitation Page 112

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100 Operating the LED Display STS2
Figure 50 Front Panel LEDs and Buttons
14.1.2 Event Controls
When an alarm is triggered, a red LED is lit in the control panel. A pair of buttons allows you to
turn off the horn and reset the alarm.
Figure 51 Control Buttons
~
1
1
~
1
2
2
2
3
3A
I
I I
4
5
~
~
~
~
~
~
~
Key:
1 = Input Source 1
2 = Input Source 2
3 = Output
3a = Output, dual system
4 = Input Source 1 Bypass
5 = Input Source 2 Bypass
(ITALICS) = Components.
LEDs are defined in
Table 16 on page 101.
Buttons are defined in
Table 17 on page 102.
(IN1A)
= Circuit Breaker
= LED
~
~
=SCR
= Preferred Source Button and LED
= Transfer locked (inhibited)
(CB1)
(IN1B)
(STS1)
(STS2)
(CB4)
(SW_PREF1)
(LED_PREF1)
(SW_PREF2)
(LED_PREF2)
(CB3)
(CB3A)
(OUT)
(NOXF)
(CB5)
(CB2)
(IN2A)
(IN2B)
!
!
(NOAUD)(ALRMRST)(ALRM)
Key:
(ITALICS) = Components,
defined in Table 16.
= Button = LED = Alarm Symbol
!
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