Delta Modulon DPH series - Page 94

5-18
Modulon DPH Series
127(௓
1. *
2
If you choose to use the non-Delta external maintenance bypass
cabinet (user-supplied), all breakers, switches and terminals listed in
the above ‘Item’ column must be installed. For the configurations of
the non-Delta external maintenance bypass cabinet, please refer to 5.1
Before Installation and Wiring.
2. *
3
If you choose to use the Delta external maintenance bypass cabinet
(optional), please note that each switch only has R/ S/ T terminals.
The N terminals are located on the cabinet’s copper bars. For relevant
information, please refer to Delta External Maintenance Bypass
Cabinet User Manual.
6
Confirm that the UPS’s Bypass Switch (Q0) is in the OFF position.
7
Confirm that the 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.
8
Follow Table 5-2 to select proper input, output and battery cables.
9
Connect the main AC source/ output/ external battery cabinet’s cables to the UPS
and the 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
5.6 External Battery Cabinet Connection Warnings