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The first step is to remove the parallel port cover (Pos 5, page
26) and to connect the UPS with each other with the parallel
operation line. With two units use one, with three units use
two parallel operation lines (don’t build up a ring structure!)
(Communication) parallel operation interconnection
... with 2 units:
... with 3 units:
After connecting the units with the parallel operation line close
the parallel operation cover again. Turn the cover by 180°
such that the notches show to the bottom.
The hardware installation is completed now.
9.3 Operation in parallel compound
The activation process is not complicated and no knowledge
is required. Just follow the instructions in chapter 6. Should
you have ordered the parallel operation panel from AEG
Power Supply Systems follow the instructions of the separate
operation manual. The display of the UPS operates analogue
to the description of a single unit in chapter 8.
9.3.1 Activation
1. Check that all connection have been made
according to the installation guide.
2. Check that all loads have been switched off.
3. Check that the manual bypass switch
”Maintenance Switch“ (Pos. 2, page 26) on the
back of the UPS is in “Bypass” position and that all
mains input circuit breaker (Pos. 3, page 26) on
the back of the UPS are in position “OFF”.
4. Check that the central manual bypass is in