Single Unit Wiring - Delta DPH Series User Manual

5.4.3

Single Unit Wiring

NOTE:
Before wiring, please read 5.4 Wiring thoroughly and make sure that relevant
conditions have been met.
Refer to Table 5-3 and Table 5-4 for information about the wiring terminals, breakers,
switches and wiring. For the wiring diagrams and instructions, please refer to the following
sections.
Table 5-3: UPS's Wiring Terminals & Wiring Information
No. Item
AC Input Terminals
1
(L1/ L2/ L3)
Bypass Input Terminals
2
(L1/ L2/ L3)
UPS Output Terminals
3
(L1/ L2/ L3)
Battery Input Terminals
4
(+/ -)
5
PE (protective earth)
Terminal
6
GND (ground)
Terminals
 Single Input:
Connect to the external maintenance bypass
cabinet's input breaker or switch (Q1).
 Dual Input:
Connect to the external maintenance bypass
cabinet's input breaker or switch (Q1).
 Single Input:
There is no need to connect the Bypass Input
Terminals.
 Dual Input:
Connect to the external maintenance bypass
cabinet's bypass breaker or switch (Q2).
Connect to the external maintenance bypass cabinet's
output breaker or switch (Q4).
Connect to the external battery cabinet(s). Please
contact Delta service personnel for battery
configurations.
Connects to the external maintenance bypass cabinet's
GND terminal ( ).
The terminals are used to ground the devices which are
associated with UPS operation.
57
Function