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For the default password see par.
Disabling the Password. 1SDH000635R0002
Page No.
Apart from this, absolutely indispensable for the user modify the password and carefully define each modifiable
parameter, before putting the PR122/DC into service. Power the unit ONLY from the PR030/B
3. No.3. Enter the unit's "Settings" menu
3. With the circuit-breaker open and preferably isolated, install the protection unit the circuit-breaker
2.
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.4. the password correct, you from the "READ" state the "EDIT" state.
It also possible interrupt the password entry procedure pressing the ESC key.1 Installation
To complete the procedure for installing PR122/DC unit, follow the steps below:
1.
12. For the PR120/V-PR120/LV module, set the Rated Voltage
suitably.2 Uninstalling
To complete the procedure for uninstalling PR122/DC unit, follow the steps below:
1. The values attributable the password from 0000 9999.
Select the value the first figure between '0' and '9' means the and keys and press confirm the figure and then move enter
the next one.3. The data question are then transmitted the new PR122/DC unit installed the same
circuit-breaker.
12.
After entering the fourth figure, check the password you have entered. disconnected messages must appear; they do,
do not close the circuit-breaker and make the correct connections.
To enter new password, select the "New Password" item the "Settings/System" menu.12. Select "Circuit-breaker"
6 Select "Unit installation"
7. Input the password
6 Select "Uninstall" and press "ENTER"
7.
Model L3447 pparatus Emax cale
Doc..3 Initial settings
If the PR122/DC supplied ready installed the circuit-breaker, ABB SACE set all the variables referring the circuit-breaker or
the specific application correctly (e.
Then test can conducted the whole chain, again using the specific function (Trip test).g.5 Replacing electronic release
12. Input the password
8 Select "Install" and press "ENTER"
9. Enter the unit's "Settings" menu
5.5.
12.3. positive result shown the display. there are other errors, the display will show the message Configuration (configuration error) accompanied the
yellow LED coming permanently (warning)
4.1 connection test
A
If the PR122/DC was installed the user, important, before closing the CB, check the last line the display when
the relay turned for the first time via PR030/B battery unit.3.2 Test
Before putting into service, test can conducted means the specific "Auto test" function which
can activated the PR122/DC.
Note that ABB SACE defines each possible setting according the content the paragraph the default parameters (see par.3.3 Putting into service
12. Select "Circuit-breaker"
4.To run Trip Test, press the Test” button and the Enter”
button simultaneously.3. 12.. therefore always possible
to switch from "READ" "EDIT".4 Password management
Specify password? [0***]
To enter "EDIT" mode necessary enter four-figure numerical password.
Check the open closed state the circuit-breaker the same "PR122/DC Test" screen, checking
that closed and de-energized. Check for the absence configuration errors.
By setting the value the password [0000] (on the "Unit configuration" menu) the password prom disabled.
The password valid for maximum two minutes from the last time key was pressed. positive
result shown the circuit-breaker opening. Select "Unit installation"
5. Remove the PR030/B module
8 Remove the PR122/DC unit from the circuit-breaker
9.5.
If the password wrong, the message
Wrong password
appears and remains until the ESC key pressed (or until interval seconds has elapsed).). The remove the connector, proceed indicated the figure alongside.
12. With the circuit-breaker open and/or isolated power the unit from the PR030/B
2. When the red led flashes and off and the message Installation (installation error) displayed, remove the
PR030/B
10. Power the relay from any other source
11.4).4.
It not strictly necessary complete the uninstalling procedure, but this enables the parameters relating the circuit-breaker, such contact
wear and others, otherwise these data would lost.3. type circuit-breaker, Rating Plug size .12.4.
12
