8
tEV
temperature level for ventilator start
35
10 ... 80°C
Id
device ID number in RS485 network
0
0 ... 255
bAu
communication speed for data transmission
0
0 ... 38,4 kBd
PAr
communication control by parity checking
oFF
oFF / on / on_o
Man
manual mode activation
Cod
password for access to SET mode
000
any three digits number 001 ... 999
rES
reset to the factory setting
-
Table 3. Configuration menu
Note
Overdrive is activated by permanent pressing of button
▲
or
▼
.
6.1
Target cosφ setting (CoS)
Press the button
SET
at least for 5 second for entering service mode. On the display will appear parameter symbol
CoS
. After another pressing of button
SET
display will show set value. Via buttons ▲, ▼ set new requested value
in the limits from 0,8 inductive to 0,8 capacitive. Another pressing of button
SET
saves new value to the memory
and on display it will appear again symbol
CoS
.
6.2 Current transformer ratio setting (Itr)
If service mode is activated, move by buttons ▲, ▼ to the parameter
Itr
. After pressing button
SET
, the set value
will appear on the display. Via buttons ▲, ▼ is possible to change value of transformer ratio. Another press of
button
SET
saves new value to the memory and on display, symbol
Itr
will appear again.
It is important to have in mind that the value which is set, is ratio itself. It means that, for example, if primary
nominal current of transformer is 50 A and secondary is 5 A then set parameter value is
Itr
= 10.
Caution
Measurement range of the current inputs is from 5 mA to 6 A. Maximum of the adjustable current transformer ratio is 5000
/ 5 A. If the secondary current value rises over 5,3 A, alarm will start, in the case it is enabled.
6.3 Automatic detection of compensation stages
(Aut)
Another parameter in the menu is function
Aut
. After pressing of button
SET
, the display will show
oFF
. Via buttons
▲, ▼ change to the value
on
. After the pressing of button
SET
automatic detection will start to detect connected
stages. The symbol
Con
will appear on the display, and first capacitor stage will be switched on and off 6 times in
the cycle of 20 seconds.
Detection of controller connection to the system is followed by detection of power of connected capacitor stages.
During detection, the measured values of each stage are shown on the display. Measured values are being
rounded on 0,5 kvar. After the detection is finished, the regulator will switch parameter
Aut
back to
oFF
.
Important
In some cases controller is not able to make automatic detection and in place of measured power shows zeros. It can
happen in places with very fast changes of network parameters, where measured values will not be correct. In this case
regulator shows Er1 and it is necessary to set parameters manually, after detailed network measurements.
6.4 Deceleration of regulation at over compensation (Sht)
This parameter is represented by symbol
Sht
. This function is used for slowing down the regulation during over-
compensation. At under-compensation regulation is slowed down according to average power factor. This function
assures reduction of switch on/off operation of contactor stages. After pressing the button
SET
, display will show
set value of deceleration. By buttons ▲, ▼ it is possible to change value and button
SET
saves this into the
memory. Current situation of regulation deceleration during over-compensation is shown under parameter
Sht
, in
the menu of measured values.
6.5 Manual setting of compensation stages (StP)
Entering the parameter
StP
by pressing button
SET
will open sub menu, where it is necessary to select the step,
