FG Wilson OLYMPIAN 1001 Series Manual page 14

the generating set will continue to supply the load. When it
is convenient, the operator presses the Retransfer Button
which causes the load to be transferred back to the mains
and, after a cool down period, automatically shuts down
the generator.
4.4.10 Digital Instrumentation Option: On certain
generating sets a digital instrumentation option may be
fitted. This factory fitted option replaces the analogue AC
instruments and associated selector switches which are
normally fitted on the control panel (voltmeter, frequency
meter, ammeter). On the front of the control panel are 3
windows which show voltage, frequency and current
respectively. For 3 phase generating sets only, below the
voltmeter and ammeter displays are LED indicators set out
in two triangular formations. These give indication of which
phase voltage or current is being measured.
In the case of the voltmeter one LED illuminated indicates
the phase to neutral voltage for that particular phase. If two
LED's are illuminated then the voltage shown is the phase
to phase voltage for these two phases. Only one LED will
be illuminated below the ammeter. This LED shows which
phase the current display is indicating.
Stepping through the voltages and currents for monitoring
purposes is achieved by pushing the "V-A" button. Each
push cycles the voltage and current selection circuit. There
are a total of 6 steps in the selection. If the V-A button is
pressed after the 6th step then it returns back to the 1st
selection and the cycle is repeated.
Step
Displayed Displayed
Voltage
1 L1 - Neutral
2 L2 - Neutral
3 L3 - Neutral
4 L1 - L2
5 L2 - L3
6 L1 - L3
Further operation of the V-A button repeats the cycle.
Current
L1
L2
L3
L1
L2
L3
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