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TS3
1SDH000670R0002
L3852
32/44
8.7.2
PR122- PR123 installation
o
Enter in “Setting” menu of the trip unit
o
Select “Circuit Breaker”
o
Select “Unit installation”
o
Insert the password
o
Select “Install” and press
“ENTER”
o
Remove PR030/B when the red led will switch on and the display will give a “installation” message
(installation error)
o
Connect the XK4 connector to the DUT
Figure 23
o
Reconnect the battery PR030/B.
o
Set the current and time values for the protection available on the DUT.
o
Verify that no error is present on the display
o
Remove the battery PR030/B.
o
The trip unit is now ready for the test.
10.
In order to set parameters and perform the test, follow the instructions in chapters
7.3
,
7.4
,
7.5
11.
Verify that the tripping time indicated in the TS3 display is corresponding to the expected one, as indicated in the
instruction manual of the CB n°1SDH000460R0002 ÷ 1SDH000460R0005 or 1SDH000532R0002.
12.
In case of changing of settings, insert the beginning value of threshold and time.
Example of test:
Current generation on phase L1
Setting on the trip unit for L, S, I, G protections.
Protection
Curve
Trip
threshold
Trip time
I test
Expected
tripping
time
L
t=k/I
2
I1 = 1In
t1 = 3s
3In
3s
S
t=k
I2 = 4In
t2 = 0,2s
5In
0,2s
I
I3 = 6In
7.5In
60ms
G*
t=k
I4 = 0.6In t4 = 0,8s
1In
0,8s
Table 14
* See Note4 in chapter
8
13.
Remove the key plug indicated in figure 21 used for testing .
14.
Reinstall the trip unit ( DUT ) on the CB as indicated in the instruction manual of the CB n°1SDH000460R0002 ÷
1SDH000460R0005 or 1SDH000532R0002 and in the instructions sheet n° 1SDH000460R0501,
1SDH000460R0502 or 1SDH000460R0503.
15.
Do the installation of the trip unit as indicated in the instruction manual of the CB n°1SDH000460R0002 ÷
1SDH000460R0005 or 1SDH000532R0002
