LSC Lighting iSeries - Manual (Page 9)

V1.21 September 2007 iPAK/iPRO Dimmer Operator Manual
LSC Lighting Systems (Aust) Pty Ltd 5
3.0 GETTING CONNECTED
3.1 Input Supply
The iPAK dimmer can accept up to a 40 Amp 3 phase, neutral and earth input supply,
whereas the iPRO dimmer can accept up to a 52 Amp 3 phase, neutral and earth input
supply. Connecting to a lesser value supply, such as a 32 Amp or a 40 Amps per
phase respectively, will limit the dimmers overall output accordingly.
There are a number of possible entry points in
the Installation Frame to connect the incoming
three phase supply. For hard-wired installations,
there are two large knock-out panels located on
the upper left hand region. These knock-out
panels can easily be removed using heavy-duty
cutters and allows wiring to enter and exit the
dimmer via cable ducting on top of the installation
frame, or direct through a wall cavity at the rear of
the frame. For portable or installation situations
where a flexible three phase tail and plug are
required, a 32mm diameter hole exists on the
upper left side panel of the Installation Frame. A
hole plug is supplied to cover this hole when the
product is shipped. By removing this plug, a
correct size metal or plastic strain-relief gland can
be fitted to secure the three phase tail to the
chassis. Termination of the three phase wiring to
the internal terminal blocks, should be
undertaken by a qualified electrician.
Connection is Three Phase Star, however other
versions such as single phase(s), two phase and
Three Phase Delta wiring are available upon
request from the factory. Contact LSC Lighting
Systems or your nearest Distributor for further
information.
It is imperative that the supply Circuit Breakers to
the dimmers are rated equal, if not lower than the
dimmer’s phase capacity. Correct connection of
the Neutral must be maintained, otherwise
serious damage could occur to the dimmer or
loads connected to the dimmer.
Phase failure is indicated on the front panel by
individual LED’s for each phase. Refer section
4.6 for more detail.