Delta Modulon DPH series - Page 98

5-22
Modulon DPH Series
y Single Input (Parallel Units)
When there is only one AC power source, parallel units’ wiring procedures are as follows.
1
Follow the procedures
1
~
5
stated in the section of Single Input (Single Unit).
2
Confirm that each UPS’s Bypass Switch (Q0) is in the OFF position.
3
Confirm that each Delta or non-Delta external maintenance bypass cabinet’s Input
Breaker or Switch (Q1), Manual Bypass Breaker or Switch (Q3) and the Output
Breaker or Switch (Q4) are in the OFF position.
4
Follow Table 5-2 to select proper input, output and battery cables.
5
Connect the main AC source/ output/ external battery cabinet’s cables to each UPS
and each Delta or non-Delta external maintenance bypass cabinet. For wiring,
please refer to the following.
Figure 3-1: Single Input Application_ UPS and Delta or non-Delta External
Maintenance Bypass Cabinet Structure
Figure 5-12: Wiring Terminals_ AC Input & Bypass Input
Figure 5-13: Wiring Terminals_ UPS Output
Figure 5-14: Wiring Terminals_ Battery Input & Grounding
Table 5-3: Wiring between the UPS and the Delta or non-Delta External
Maintenance Bypass Cabinet
Table 5-4: Delta or non-Delta External Maintenance Bypass Cabinet Wiring
Information
Figure 5-15: Single Unit Single Input Wiring Diagram
Figure 5-18: Parallel Units Single Input Wiring Diagram
5.6 External Battery Cabinet Connection Warnings