ABB Zenith ZTX Series - Page 32

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1
Zenith ZTX Series ATS, OPERATION, MAINTENANCE, AND INSTALLATION GUIDE
I and II leds
Lamp
test
l
ON
Off
load
test
ll
ON
Auto
Alarm reset
On
load
test
Bypass
time
delay
O
OFF
Manual
retransfer
Auto
config
Priority
In-phase
monitor
AUTO
!
S1 S2
LOAD
ll
l
Lamp
test
l
ON
Off
load
test
ll
ON
Auto
Alarm reset
On
load
test
Bypass
time
delay
4 min
30 s
0
1
2
3
4
5
10
15
20
30
S1 Failure
delay
[s]
S1 Return
delay
[min]
4 s
0 s
O
OFF
Manual
retransfer
On
Priority
No priority
In-phase
monitor
On
AUTO
!
S1 S2
LOAD
ll
l
ON, fixed light Switch position is indicated with fixed
light in I, O or II led. Only one can be on
simultaneously
Flash/1 s, 50%/50 % nn
Delay ongoing. Going to move away from
the blinking status
Load led
l
ON
Off
load
test
ll
ON
Auto
Alarm reset
On
load
test
Bypass
time
delay
Generator
stop delay
4 min
30 s
4
5
10
15
20
30
S1 Return
delay
[min]
O Position
delay
4 s
0 s
O
OFF
Dropout ΔU / Δf
Manual
retransfer
ΔU 5% / Δf 5%
On
Off
Priority
No priority
Source 1
In-phase
monitor
Off
On
AUTO
!
S1 S2
l
ll
O
LOAD
ON nnnn Supply ok and connected to load
OFF nnnn
Not connected to load
Auto led
ll
ON
Auto
Alarm reset
Bypass
time
delay
!
S2
AUTO
ON, fixed light nnnn Switch is in automatic mode
Flash/1 s, 50%/50 % nn Test on load
Flash/1 s, 90%/10 % nn n Test off load
5 flashes/1 s, 50%/50 % Autoconfig completed
Alarm led
ON
Off
load
test
ll
ON
Auto
Alarm reset
On
load
test
Bypass
time
delay
4 min
5
15
30
4 s
O
OFF
Manual
retransfer
On
Off
Priority
No priority
Source 1
AUTO
S2
!
OFF nnnn No alarms
ON, fixed light nnnn Handle attached, locked, other alarm
2 quick flashes/1s nn nn nnn Control Alarm
5 flashes/1 s, 50%/50% Auto configuration ongoing
Flash/1 s, 50%/50% nn Control Retry
Flash/1 s, 10%/90% nnn Auto mode off
Table 3.1 LED functionality