Chapter 2 : Single units with bypass
UPS/NTA GB/ DELMX_EXPC1C3C6.B
page 10
6. SINGLE UNITS WITH BYPASS
6.1.Standard basic schemes
SEPARATED RECTIFIER AND BYPASS INPUTS
COMMON RECTIFIER AND BYPASS INPUT
Q1
Q4
Q3
Q5
Q20
X40
X10
X50
X20
MBP
ABP
BP
REC
INV
DCC
BAT
*
Q1
Q4
Q3
Q5
Q20
X20
MBP
ABP
BP
REC
INV
DCC
BAT
X40
X50
*
X40 = input mains 2
X10 = input mains 1
X50 = to the load
ABP = automatic bypass
MBP = maintenance bypass
BP = bypass facility
REC = rectifier
INV = inverter
DCC = battery charger converter
* other protection upon request.
NOTE
: in any case, see the technical details of the drawing on the inner side of the UPS door.
6.2. Meaning of the pictograms
Rectifier and battery charger
Battery
Inverter
Output to the loads
Transfer impossible
Maintenance bypass
1
2
3
4
5
6
7
8
9
10
11
General alarm
