ZP3 Fire Control Panel Installation, Commissioning and Maintenance Manual
REV 11 (ISS 08/03/2010)
Page 43
Good practice
Applying good practice to your installation makes sure that the ZP3 system operates reliably and
trouble-free. These are simple actions, which assist with commissioning and also provide stable
long-term operation.
Earth connections
The panel must be connected to a secure earth point. Door earth straps and internal earth must
be connected. Take extra precautions for lightning areas.
Screen connections
All cable screens must be connected to the terminals provided. Do not cut-off screen tails or
leave screens floating.
Separation of wiring
Inside the panel, physically separate mains wiring, Z-loop wiring, and serial data wiring. The
flexible plastic separator, which isolates mains from low voltage wiring, must be positioned
correctly. Externally these cable groups should be run in separate conduits. See
Appendix A: ZP
Wiring guide
on page 99 for more details.
Good connections
Make sure that all connections are secure and tight, with a minimum of exposed copper cable to
prevent possible shorting to adjacent terminals.
Careful handling of electronics
Handle with extreme care when removing and replacing chassis and door assemblies. These are
high-precision electronic assemblies, and susceptible to damage if handled roughly.
Cleanliness
Before fitting electronic assemblies, make sure that the cabinet is clean and free from metal
filings, oil or moisture, all of which can damage electronic circuits.
Neatness
Installing wiring neatly and professionally make commissioning and maintenance simpler and
quicker.
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