113
Electrical wiring
SMGB0066 rev.0 - 12/2009
Controller pack
Service Manual
4
4.16. ElECTrICAl WIrInG
caution
Electrical hazard. Can cause serious injuries or death.
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Do not connect or adjust any wiring or connections unless the main power switch is OFF.
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Make sure that all the power sources are switched OFF.
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Isolate the mains power supply before installing the System Controller. Do not reconnect the mains power
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supply until the installation is completed.
The system controller must be intalled by a suitably qualified person, in accordance with local standards and
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guidelines.
The mounting base has two options for wiring: wall or surface-wiring, with wires from the rear or wiring from the bottom or
sides. For safety reasons, the power source wiring and signal wires are separated and in different compartments of the
mounting base
- On the left side the signal wiring is laid out (inputs, mainly sensors).
- On the right side, the power source and earth wiring are situated (power and output relay contacts).
note
It is important that power supply lines are kept separate from signal/ data communications lines. This is to
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minimise the risk of electrical interference.
4.16.1. Wiring access ports
Wiring holes for wall or surface-wiring
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When wiring through the back of the mounting base remove the breakout ports from the wiring holes at the rear base.
Wiring holes for side- or bottom-wiring
•
When wiring through the bottom or side of the mounting base, insulated cables must be used. To ensure safety,
appropriate cable glands (not included with the System Controller) must be used.
To install the cable glands, remove the breakout ports from the wiring holes at the required location in the base.
note
That cable glands will fit a range of cable diameters; therefore check to ensure that the proper combination is
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used.
