ABB 8408608 User Manual page 18

18 A B B U P S P R O D U C T S A N D S O L U T I O N S
How to install a new parallel UPS system:
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17 Parallel cable
1. Before installing a new parallel UPS system,
connection
— prepare the input/output wires, breakers and
18 Parallel connection
a main maintenance mechanical switch or
cable locker
—
static switch.
19 Parallel system
2. Independent battery packs for each UPS.
wiring diagram
3. Remove the cover plate from the parallel
connection port on the UPS, connect each
UPS one by one with a parallel connection cable
and make sure the cable is screwed in tightly.
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17
4. Install the cable locker to protect the parallel
cable for each UPS.
—
18
5. Connect the input and output wires and make
sure all the breakers are turned off.
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19