Before Installation And Wiring - Delta Modulon DPH series User Manual

5.1

Before Installation and Wiring

1. Please read this user manual thoroughly before installation, wiring and usage. 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. If you use a forklift or other equipment to move the UPS, please
make sure its load bearing is sufficient. Please refer to Table 5-1.
2. The UPS must be connected with an external battery cabinet (user-supplied, handled and
configured by Delta service personnel). Please refer to 5.6 External Battery Cabinet
Connection Warnings for relevant information.
3. 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 the table below.
Delta External
Maintenance
Bypass
Cabinet
(Optional)
Non-Delta
External
Maintenance
Bypass
Cabinet
(User-supplied,
handled and
configured by
Delta service
personnel)
Modulon DPH Series
There are two models for selection. Please refer to the table below.
Delta External Maintenance Bypass Cabinet (Optional)
Model
3 Switches (Input Switch/
Switch Q'ty Manual Bypass Switch/
Wiring Type Top & Bottom Wiring
NOTE:
maintenance bypass cabinet (optional), please refer to its
user manual.
For configurations of the non-Delta external maintenance bypass
cabinet, please refer to the following.
a. Selection of three or four breakers (switches):
(1) Three breakers (switches):
An input breaker (switch), a manual bypass breaker (switch) and
an output breaker (switch) should be installed.
(2) Four breakers (switches):
An input breaker (switch), a bypass breaker (switch), a manual
bypass breaker (switch) and an output breaker (switch) should
be installed.
b. Each breaker (switch) mentioned above must be a 3-pole (R/ S/ T)
device and meets the specifications defined in Table 5-3.
c. It is suggested that each breaker (switch) should be configured with
an auxiliary contactor. For relevant information, please refer to 4.1.4
External Switch/ Breaker Status Dry Contacts.
d. Install the non-Delta external maintenance bypass cabinet next to
the UPS or align it with the UPS for convenient operation.
5-2
3915101965-S
Output Switch)
3915101964-S
4 Switches (Input Switch/
Bypass Switch/ Manual
Bypass Switch/ Output
Switch)
Top & Bottom Wiring