Time Delay Settings; Voltage And Frequency Settings - Emerson ASCO 185 Series Operator's Manual

Automatic transfer switches 100 through 400 ampere sizes
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Series 185
S1 DIP switch
Figure 6. DIP switches S1 and S2 at the top right.
The time delay settings are shown in Figures 6 and 7 and
in Table C. The sensor settings are shown in Figure 6
and in Table D. The standard (factory) settings are
shown in Tables C, D, and H.
Time Delay Description
override momentary
override momentary
utility outages
transfer to generator
override momentary
override momentary
generator outages
transfer to utility
unloaded running
unloaded running
(generator cooldown)
Setting Description
Setting
voltage
frequency
frequency
nominal
nominal
phase
utility voltage
utility voltage
dropout
dropout
generator voltage
generator voltage
dropout
generator frequency
dropout
381333–319 D
S2 DIP switch
Table C. Time Delay Settings
Factory Setting
3 seconds
3 seconds
10 seconds (approx.)
4 seconds
4 seconds
5 minutes (approx.)
2 minutes
2 minutes
Table D. Voltage and Frequency Settings
Factory Setting
220 – 240 V
60 Hz
60 Hz
single
pickup
pickup
198 V
198 V
187 V
187 V
pickup
198 V
165 V
57 Hz (nom 60 Hz)
pickup
48 Hz (nom 50 Hz)
51 Hz (nom 60 Hz)
43 Hz (nom 50 Hz)
* If the dropout voltage is set to 198 V, the pickup voltage must be set to 209 V.
CONTROLLER
(continued)
S3 DIP switch
Figure 7. DIP switch S3 at the bottom center.
Settings
DIP Switch
1 second
S2
3 seconds
S2
4 second
S3
0
S3
2 minutes
S1
5 minutes
S1
Settings
DIP Switch
non–adjustable
S2
50 Hz
S1
60 Hz
S1
non–adjustable
S1
198 V
S1
209 V *
S1
S1
198 V *
198 V *
S1
S1
187 V
187 V
S1
S1
176 V
176 V
S1
S1
154 V
154 V
S1
non–adjustable
non–adjustable
non–adjustable
non–adjustable
4
DIP Actuator
Actuator Position
1
on (up)
1
off (down)
9
on (up)
9
off (down)
10
on (up)
10
off (down)
DIP Actuator
Actuator Position
2
on (up)
4
on (up)
4
off (down)
6
on (up)
3
on (up)
3
off (down)
1
off (down)
2
off (down)
1
on (up)
2
off (down)
1
off (down)
2
on (up)
1
on (up)
2
on (up)

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