Before You Begin; Enclosure Access Restrictions; Cabling Requirements - TECOM ChallengerPlus Installation And Quick Programming Manual

Before you begin

This section contains items that govern the installation of many different
Challenger system devices (including but not limited to the Challenger panel).
When installing a Challenger panel, or any other parts of the system, you need to
be aware of requirements for cabling and earthing, and plan accordingly.
NOTICE! A qualified service person, complying with all applicable codes, should
perform all required hardware installation.
Disclaimer: This manual contains requirements based on Australia and New
Zealand codes. It is not an authoritative reference regarding codes and has not
been reviewed by the responsible authorities. The codes may change and may
not be reflected in this document.

Enclosure Access Restrictions

According to the requirements of AS/NZS 60950-1, the interior of the
enclosure presents hazards to general users and thus physical access
restrictions must be instituted ensure safety. To comply with the
requirements related to safety:
 Access to the interior of the Enclosure must be limited to suitably
trained and qualified installation and maintenance technicians.
 Access to the interior of the enclosure should require the use of a
tool.
These restrictions can be met by suitably securing the enclosure door as
follows:
 Fit a lock to the enclosure. Ensure that it is always locked when not
under the immediate control of suitably qualified technicians.
 Seal the enclosure door using standard head (non-knurled) screws,
firmly tightened.
 When using finger operable screws (knurled head, etc) to seal the
enclosure door, tighten to 2Nm (typically >1/4 turn beyond the
finger tight point).

Cabling requirements

This section contains requirements for installers for the application and wiring of
Challenger equipment with respect to:
•
System earthing
•
RS-485 data cable (LAN) cabling
•
Power supply from LAN or from external 12 V supply
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