Maintenance
Copyright © 2008-2009 Eaton Corporation. All Rights Reserved.
IPN 997-00012-71B July 2009
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Step 4 - Connect cables
1
Connect the live (negative) cables to the circuit breaker terminals.
2
Connect the common (positive) cables to the common bar.
Step 5 - Check terminations, secure cables and test insulation
1
Check all terminations are correct and tighten to:
•
1/4" studs:
3.9 - 4.5Nm (35 - 39 inch-pounds)
•
3/8" studs:
18.7 - 21.9Nm (166 - 194 inch-pounds)
2
Secure the cables with cable ties to ensure there will be no strain on the
terminals.
3
Test the insulation resistance of the cables.
Step 6 - Refit panels and circuit breaker cover
1
Refit the cabinet panels.
2
Refit the circuit breaker cover.
Fit blank covers over any unused circuit breaker positions.
Step 7 - Switch on circuit breaker(s) (if required)
1
Refer to the equipment manufacturer's instructions before applying dc
power to any equipment.
2
To apply dc power to the equipment, switch on the circuit breaker.
3
Close the hinged front cover.
Procedure complete
Replacing the System Controller
The SC200 system controller can be replaced without switching off the dc power system and
disconnecting the equipment it powers.
Before you start you will require:
•
A PC/Laptop with
DCTools*
connected to the system controller or a web browser*
connected to the system controller via an IP network.
*See Communications Options in the System Controller Operation Handbook.
•
A replacement SC200 system controller.
A new system controller is factory loaded with a 48V (nominal) default configuration file.
•
A copy of the appropriate configuration file, either:
•
use the configuration file saved from the existing system controller, or
•
contact your Eaton dc power system supplier to obtain a master configuration file to
suit the dc power system. This file will have to be customized for the site.
