Poznámky redaktora
12.1 Indication the cause the trip and trip test button
1 utting into service
12.1 ction s
For the connections provided the user, recom ended that you com ply strictly ith the recom endations contained
in docum ent.
1 rre tio xte tra l
A
If you rre xte tra circ it-b r,
rem ber set InN accordingly (see par. 12. You can also perform trip test pressing and holding
the button for seconds and Autotest pressing and holding the button for seconds, again with the PR030/B battery unit connected and
no current flowing through. 12.
12. See par.2 and connection check
If the PR121/P has been installed the user, advisable (with the open and Vaux the PR030/B) check the proper
connection the and/or cables before putting the circuit-breaker into service; has not been done,
m ake the rig connections.3 Other functions
Using the Test" button, you can retrieve the information stored the past hours.1.7.S, ref.i ülí ii
B i
I :
■.12.4.3.4. Take particular care ith the earthing connections.5 ser interface
Captions the front the i/P unit:
1B 16
<M l. any the red LEDs com on, eans rro the ectio the CS
a TC. escription
i Aiarm indicator LED for protection function L
2 Pre-alarm indicator LED for protection function L
3 Alarm indicator LED for protection function S
4 Alarm indicator LED for protection function I
5 Alarm indicator LED for protection function G
6 DIP switch for fine-setting current threshold l1
7 DIP switch for the main setting the current threshold l1
8 DIP switch for setting current threshold I2
9 DIP switch for setting current threshold I3
iG DIP switch for setting current threshold I4
i DIP switch for setting trip tim t1
12 DIP switch for setting trip time and type curve
Modei Apparatus Scaie
L 2778
Doc-Na 2
Page No.t is
rfl ftp [Li tti i
2G 19
Ref.
37/1SS
.■r \.
12.
This ill enable satisfy all the international reference standards and guarantee the perfect operation the relay even
under severe environm ental and electrom agnetic conditions. 15)
D rin irc it-b ust ope and iso
