5-26
Ultron HPH Series
NOTE:
The UPS will not work normally if the main AC source and bypass source’s
neutral (N) is not firmly connected or not connected to the UPS’s Input
neutral (N).
4
Use the provided parallel cable to connect the parallel ports on the parallel units.
Please refer to Figure 4-3 for the parallel port location.
5
Follow Figure 5-26 to ground the parallel UPSs, external battery cabinet(s) and
connected critical loads.
WARNING:
Before start-up of the parallel units, qualified service personnel must set
each UPS’s ‘Parallel Group ID’ (1 or 2) and ‘Parallel ID’ (1~8) through the
LCD. Otherwise, the parallel UPSs cannot be started. Please refer to 7.10.5
Parallel Setting.
5.6 External Battery Cabinet Connection Warnings
You should connect the UPS with at least one external battery cabinet to ensure that the
connected critical loads are protected when a power failure occurs. You can connect up to
four units of external battery cabinets to the UPS.
y
To ensure that the batteries are fully charged, please charge the batteries at least 8
hours before initial use of the UPS. The charging procedures are as follows.
1
Connect the UPS to the main AC source and external battery cabinet(s). Please
see 5. Installation and Wiring.
2
Follow 6. UPS Operation to turn on the UPS and external battery cabinet(s). After
the UPS is powered on, the UPS will automatically charge the batteries.
WARNING:
You can connect the critical loads to the UPS only after the batteries are
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power to the critical loads connected when a power failure occurs.
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