Delta Modulon DPH series - Page 28

3-2
Modulon DPH Series
The UPS runs in eight basic operation modes, which are online mode, battery mode, bypass mode,
manual bypass mode, ECO mode, frequency conversion mode, green mode and energy recycle
mode. Besides these eight operation modes, the UPS is also designed for common battery application
and hot standby redundancy. Please see the following sections for relevant information.
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1. 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)
There are two models for selection. Please refer to the table below.
Delta External Maintenance Bypass Cabinet (Optional)
Model 3915101965-S 3915101964-S
Switch Q’ty
3 Switches (Input
Switch/ Manual Bypass
Switch/ Output Switch)
4 Switches (Input
Switch/ Bypass Switch/
Manual Bypass Switch/
Output Switch)
Wiring Type Top & Bottom Wiring Top & Bottom Wiring
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maintenance bypass cabinet (optional), please refer to its
user manual.
Non-Delta
External
Maintenance
Bypass Cabinet
(User-supplied,
handled and
configured by
Delta service
personnel)
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.
c. Each breaker (switch) mentioned above must be a 3-pole (R/ S/
T) device and meets the specifications defined in Table 5-3.
d. 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.
e. Install the non-Delta external maintenance bypass cabinet next
to the UPS or align it with the UPS for convenient operation.