24
Zenith ZTGSE/ZTSSE 30-2500A ATS, USER MANUAL
—
Using Level 3 control interface HMI
1 Lamp test: Turns on all LEDs
simultaneously to confirm all LEDs
are operational
2 Off load test: Initiates off load test
(Starts generator but does not
transfer the load to the generator)
1+2 Lamp test + Off load test: Hold for 3
seconds to automatically program a
repeating off load weekly test at
current time, 20 minutes run time
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
Lamp
test
l
ON
Off
load
test
ll
ON
Auto
Alarm reset
On
load
test
Bypass
time
delay
Dropout ΔU / Δf
Manual
retransfer
Generator
stop delay
4 min
30 s
ΔU 5% / Δf 5%
ΔU 10% / Δf 5%
ΔU 15% / Δf 10%
ΔU 20% / Δf 10%
0
1
2
3
4
5
10
15
20
30
S1 Failure
delay
[s]
S1 Return
delay
[min]
On
Off
Auto
config
Start
Ok
Priority
No priority
Source 1
In-phase
monitor
Off
On
AUTO
!
S1 S2
LOAD
l
ll
1
6
2
3 4 5
8 7
1
6
2
3 4 5
7
OXB_, delayed transition, I - O - II
OXA_, open transition, I - II
—
Fig. 10 Keypad in Level 2 HMI with DIP-switches
3 On load test: Initiates on load test
(Starts the generator and transfers
the load to the generator)
1+3 Lamp test + On load test: Hold for
3 seconds to automatically program a
repeating on load weekly test at
current time, 20 minutes run time
4 Bypass time delay: Bypass any
currently running time delay
5 Auto (Alarm reset): In the event of
active switch control alarm (open I
failure, close I failure, open II failure,
close II failure), resets to no alarm
state. If no active alarms, toggle
between Automatic operation mode
and Momentary manual operation
mode. If the Manual Retransfer DIP-
switch is set to "On", toggle between
Manual retransfer and Momentary
manual operation modes.
Note: When automatic mode is
switched by this button, there is
3 second delay before entering
automatic mode.
6 I ON: Operate switch to I position
7 II ON: Operate switch to II position
8 O OFF: Operate switch to O position
and disable automatic control mode
(only in delayed transition I-O-II type)
Keypad