5-8
Modulon DPH Series
5.5 Wiring
5.5.1 Pre-wring Warnings
127(
1. Before wiring, please ensure that you have followed 5.4 Fixing the UPS to fix the
UPS in the designated installation area firmly.
2. Before wiring, please read 5.5 Wiring thoroughly.
3. Only authorized Delta engineers or service personnel can perform installation,
wiring, panel & cover removal, maintenance and operation. If you want to
execute any action mentioned above by yourself, the action must be under the
supervision of authorized Delta engineers or service personnel.
4. The UPS must be connected with a Delta or non-Delta external maintenance
bypass cabinet. The Delta external maintenance bypass cabinet is optional,
and the non-Delta external maintenance bypass cabinet is user-supplied and
should be handled and configured by Delta service personnel. For the Delta or
non-Delta external maintenance bypass cabinet’s information, please refer to 1.2
Connection Warnings.
y Before wiring or making any electrical connection, make sure that the power supplied to
the input and output of the UPS is completely cut off.
y The UPS adopts top wiring. Please leave adequate space on the top of the UPS to allow
cable entry. If you use the Delta external maintenance bypass cabinet (optional), top
wiring and bottom wiring are both applicable.
y Check that the size, diameter, phase, polarity are correct for each cable that needs
connecting to the UPS, external battery cabinet and external maintenance bypass
cabinet. Please refer to Table 5-2 for the specifications of input/ output/ battery cables,
switches and breakers.
127(Table 5-2 is based on (1) default input/ output voltage: 220V, (2) default
battery Q’ty: 40PCS and (3) default charge current per power module: 5A. For
other conditions different from Table 5-2, please contact service personnel for
relevant values.
Table 5-2: Specifications of Input/ Output/ Battery Cables, Switches and Breakers
DPH 200~500kVA
Capacity
200kVA/
200kW
300kVA/
300kW
400kVA/
400kW
500kVA/
450kW
Power Module Q’ty 4689
Input
Rated current at input
voltage 220V (in
the status of battery
charging)
340A 510A 680A 765A
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