Delta Modulon DPH series, Руководство пользователя

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Modulon DPH Series
4
Follow Figure 5-18 to ground the parallel UPS units, external battery cabinet(s)
and connected critical loads.
Load Load
(At Maximum Eight) (At Maximum Eight)
External
Battery
Cabinet
External
Battery
Cabinet
External
Battery
Cabinet
External
Battery
Cabinet
UPS UPS
UPS Grounding
Load Grounding
Load Grounding
External Battery
Cabinet Grounding
Protective Earthing
(Figure 5-18: Grounding Diagram_ Parallel Units)
WARNING:
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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 .
y
Dual Input (Parallel Units)
When there are two AC power sources, parallel units wiring procedures are as follows.
1
Follow
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to modify the UPS from single
input to dual input.
2
Refer to the procedures
1
~
7
stated in the section of Single Input (Single
Unit) .
3
Connect the cables of the main AC source, bypass source, output and external
battery cabinet(s) to the UPS. There are two types of wiring, top wiring and bottom
wiring. Please refer to the following to perform wiring.
Table 5-3: Wiring Terminals & Wiring Information
Figure 5-8: Wiring Terminals_ AC Input & Bypass Input
Figure 5-9: Wiring Terminals_ Battery Input
Figure 5-10: Wiring Terminals_ UPS Output
Figure 5-11: Wiring Terminals_ Grounding
Figure 5-12: Location of Rear Panel & Top Cover
Figure 5-13: Top Entry
Figure 5-14: Location of Bottom Covers
Figure 5-15: Bottom Entry