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Connects the
1
main AC source
2
For the critical
loads' grounding ( )
No.
1
2
Bypass Input
3
4
UPS Output
5
Battery Input
6
Ultron DPS Series
ON I
N
R
S
T
AC INPUT
Connects the
bypass AC source
(Figure 2-12: Wiring Terminal Block)
Item
AC Input
Connects the main
Block
AC source
For the critical loads'
grounding
Connects the bypass
Block
AC source
For the UPS
grounding (safety)
Connects the critical
Block
loads
Connects an external
Block
battery cabinet
NOTE:
1. For dual input, please connect the bypass source's neutral to the neutral (N)
terminal of the AC Input Block.
2. Only authorized Delta engineers or service personnel can remove the panel
of the wiring terminal block and perform wiring. If you want to remove the
panel and perform wiring by yourself, you must do it under the supervision of
authorized Delta engineers or service personnel.
ON I
ON I
R
S
T
N
BYPASS INPUT
RISK OF VOLTAGE BACKFEED
BEFORE WORKING ON THIS CIRCUIT
Isolate Uninterruptible Power System (UPS)
Then check for Hazardous Voltage between all
terminals including the protective earth
See installation instructions before connecting to the supply
Apparatet er egnet for tilkopling til et IT forsyningsnett
3
4
For the UPS
grounding ( )
Function
Includes three phases (R, S, T) and one
neutral (N) terminals.
Includes one grounding terminal.
Includes three phases (R, S, T) terminals.
Includes one grounding terminal.
Includes three phases (R, S, T) and one
neutral (N) terminals.
Includes positive ( + ), negative ( - ) and
neutral (N) terminals.
2-12
ON I
R
S
T
N
240VDC
240VDC
BATTERY INPUT
UPS OUTPUT
Description
Connects an
6
external battery
cabinet
Connects the
5
critical loads
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