Switching On The Cygnus Hpg - Firefly cygnus hpg User Manual

Mode 3: Three Phase With L1 Backup
A three phase input is accepted.
Power on L1 and the single phase
output is backed up by the unit. L2 &
L3 power from the inputs is passed
through to the L2 & L3 outputs.
The three phase breakers (see 4, 6 & 8
"Fig. 7 - Inputs, Outputs and Circuit
Breakers" on page 15) protect the
circuit.
Off
All primary internal circuitry is
disabled. Cooling systems remain
operational.

3.1.2 Switching On The Cygnus HPG

The relevant power mode must first be decided upon. This will depend on the
power requirements of the installation.
1. Ensure that the Emergency stop button is released by rotating it
clockwise.
2. Switch on the relevant breakers. For "Mode 1: Three Phase" and
"Mode 3: Three Phase With L1 Backup", the three phase breakers
must be switched up into the on position. For "Mode 2: Single Phase",
the single phase breakers must be switched up into the on position.
3. Press the chosen mode button. The selected mode button's LED
indicator will flash during initialisation and remain solid once the
output is available.
4. The RCC-03 display should illuminate.
5. The LED indicators next to the chosen AC output connector will
illuminate, indicating that power is available at the selected output(s).
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