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2 --- 2Settings
Voltage & Frequency Settings
Unless otherwise specified on the order, the controller voltage and frequency
settings are set at the factory to the default values. If a setting must be changed,
carefully follow the procedure on the next page. Some settings may require a
password (if the controller is set up for one).
Any indiscriminate change in these settings may affect the normal
operation of the Automatic Transfer Switch. This change could allow
the load circuits to remain connected to an inad equate source.
Description Settings
Default Setting
%ofnominal
Adjustment Range
increments of 1%
Display Screen
(see next page)
Dropout 85 % 70 to 98 %
NORMAL VOLTAGE
Dropout
Pickup 90 % 85 to 100 %
NORMAL VOLTAGE
Pickup
Normal
S
o
u
r
c
e
Over Voltage Trip * off 102 to 115 %
NORMAL VOLTAGE
OV T rip
S
ource
Voltage
Unbalance Enable no yes o r no
NORMALVOLTAGEUNBAL
Enable
Unbalance Dropout 20 % 5to20%
NORMALVOLTAGEUNBAL
Dropout
Unbalance Pickup 10 % 3to18%
NORMALVOLTAGEUNBAL
Pickup
Dropout 75 % 70 to 98 %
EMERG VOLTAGE
Dropout
Pickup 90 % 85 to 100 %
EMERG VOLTAGE
Pickup
Emergency
S
o
u
r
c
e
Over Voltage Trip * off 102 to 115 %
EMERG VOLTAGE
OV T rip
S
ource
Voltage
Unbalance Enable no yes o r no
EMERG VOLTAGE UNBAL
Enable
Unbalance Dropout 20 % 5to20%
EMERG VOLTAGE UNBAL
Dropout
Unbalance Pickup 10 % 3to18%
EMERG VOLTAGE UNBAL
Pickup
N
l
Dropout 90 % 85 to 98 %
NORMAL FREQUENCY
Dropout
Normal
Source
F
r
e
q
u
e
n
c
y
Pickup 95 % 90 to 100 %
NORMAL FREQUENCY
Pickup
F
r
e
q
u
e
n
c
y
Over Frequency Trip * off 102 to 110 %
NORMAL FREQUENCY
OF Trip
E
Dropout 90 % 85 to 98 %
EMERG FREQUENCY
Dropout
Emergency
Source
F
r
e
q
u
e
n
c
y
Pickup 95 % 90 to 100 %
EMERG FREQUENCY
Pickup
F
r
e
q
u
e
n
c
y
Over Frequency Trip * off 102 to 110 %
EMERG FREQUENCY
OF Trip
* The Over Voltage and Over Frequency reset is fixed at 2% below the trip setting.