
(7) POWERING UP FOR THE FIRST TIME
DATA
SETTING THE IL PARAMETER:
The REGO regulator behaves differently the first time it is started up since it will need the IL parameter (mains C.T. ratio ) to be set in
order to work; the regulator cannot be started up without setting this parameter. On subsequent occasions it will utilize the previously
programmed parameter, unless the user wishes to change it. As soon as the controller is switched on, 8.8.8. will appear on the
display for a few seconds and all the LEDs will light up to enable their efficiency to be checked.
7.1 The first time the controller is powered the display will show “IL” in turn with flashing “- - -” and remain in this situation until the
mains CT ratio is set;
press the or key to change the parameter and the key to confirm.
for example, if the user has a C.T. with a ratio of 200/5, the parameter to set must be IL= 40 (mains
CT ratio);
Other Eg: CT 300/5 IL=60; CT 350/5 IL=70; CT 400/5 IL=80.
7.2 Subsequently the controller will alternately display “FAS” an1 “0” or “1”; at this stage the system will read and display the direction
of the incoming current from the C.T. (0 = direct / 1= inverted). It is only an indication.
LOADS
MT
BT
TRANSFORMER
ROOM
MAIN
SWITCH
INSTALLATION
CORRECT
INSTALLATION
CORRECT
DEDICATED
SWITCH
FOR POWER
FACTOR
CORRECTION
SYSTEM
INSTALLATION
INCORRECT
INSTALLATION
INCORRECT
L2
L3
T.A.
C.T.
T.A.
C.T.
T.A.
C.T.
T.A.
C.T.
a
b
c
d
L1
S1
S2
L1 L3L2
Fig.-5 - Positioning of C.T.
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