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7.1.1
Testing the changeover module
Step
Disconnect line 1:
1. Disconnect the fuse switch disconnector or
fuse or
2. Remove fuse F1 or
3. Remove the microfuse on the SUE487/SUD487
Reconnect line 1
Disconnect line 2
Reconnect line 2
TEST on PRC487:
Press the TEST button, RESET button and MENU
button in sequence
To return to the standard display,
press the MENU button
*
Or corresponding parameterised text. Alarm messages are also transferred via bus or
alarm contacts to TMs, MKs or the building services control system. Test, if necessary.
**
Up to a maximum of 15 s; above this no indication possible.
7.2 Service
Bender would be delighted to provide on-site service for commissioning and periodic veri-
fication. Please contact our Service Department for more information:
Service-Hotline:
0700-BenderHelp (Telephone and Fax)
Carl-Benz-Straße 10 • 35305 Grünberg • Germany
Tel: +49 6401 807-760 • Fax: +49 6401 807-629
E-Mail: info@bender-service.com • www.bender-de.com
7.3 Maintenance
®
The MEDICS
module does not contain any parts that require maintenance. Despite this, the
intervals specified for periodic verification should be adhered to.
26
All manuals and user guides at all-guides.com
Response
1. Changeover to line 2
2. Alarm message "Failure line 1"
3. Message on PRC487: "K1off, K2on"
1. Changeover to line 1 after delay time t(on).
2. Alarm message "Failure line 1"* goes out
3. Message on PRC487: "K1on, K2off"
Exception:
If an automatic switching back interlocking func-
tion is active, the changeover module remains on
line 2 and displays the message "interlocking". To
clear the switching back interlocking function,
interrupt the connection between contacts X3:40
and X3:57.
1. Alarm message "Failure line 2"*
2. Message on PRC487: "K1on, K2off"
1. Alarm message "Failure line 2"* goes out
2. Message on PRC487: "K1on, K2off"
1. Changeover to line 2.
Display: "** TEST **"
2. Changeover to line 1 after t(on).
3. Display of changeover period "t 1->2:
xxxxms" **
Message on PRC487: "K1on, K2off"
Periodic verification and service
TGH1322en/06.2009
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