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TS3
1SDH000670R0002
L3852
34/44
8.8.2
PR332- PR333 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 KM4 connector to the DUT
Figure 26
o
Reconnect the battery PR030/B.
o
Verify that no error is present on the display
o
Set the current and time values for the protection available on the DUT.
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 trip unit n° 1SDH000587R0002÷ 1SDH000587R0005.
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= 0.4In
t1 = 3s
1.2In
3s
S
T=k
I2 = 3In
t2 = 0,2s
4In
0,2s
I
I3 = 5In
7In
60ms
G*
T=k
I4 = 0.6In t4 = 0.4s
1In
0.4s
Table 15
* See Note4 in chapter
8
12.
Remove the key plug indicated in figure 24 used for testing .
13.
Reinstall the trip unit ( DUT ) on the CB as indicated in the document n° 1SDH000529R0502, 1SDH000529R0503,
1SDH000529R0504 and instructions sheet n° 1SDH000606R0001,
1SDH000606R0003,
1SDH000606R0004 and
getting started n° 1SDH000592R0001, 1SDH000593R0001.
14.
Do the installation of the trip unit( DUT) as indicated in the instruction manual of the trip unit n° 1SDH000587R0002 ÷
1SDH000587R0005.