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
!
Summary of Contents for Static Transfer Switch 2
Page 2: ......
Page 8: ...vi...
Page 12: ...x...
Page 16: ...4 Channel 4 Channel 5 Channel 6 Channel 7 Channel 8 Channel 9 Channel 10 PRB Notes...
Page 18: ...6...
Page 34: ...22 Options...
Page 62: ...50 Installation Drawings...
Page 90: ...78 Communication Interfaces...
Page 110: ...98 STS2 Touch Screen Display...
Page 146: ...134 Event Message Help Text...
Page 149: ......
