socomec Masterys Green Power, Installation And Operating Manual

Page: 25 / 62

ENGLISH
IOMMASGPXX01-GB_01
25
10-40 kVA
4.3 OPERATION WITH MANUAL MAINTENANCE BYPASS.
If the maintenance bypass is activated using the appropriate procedure, the load is powered directly from the
NBJOUFOBODFCZQBTTXIJMFUIF614JTTFQBSBUFEGSPNUIFQPXFSTVQQMZBOEDBOCFTXJUDIFEPí
This operating mode can be selected for maintenance to be carried out on the system so that the necessary actions
can be performed by service personnel without having to disconnect the power supply to the load.
4.4 OPERATION WITH EXTERNAL MANUAL BYPASS.
The external maintenance bypass may be placed on the general distribution panel when the UPS is installed, or by
installing the bypass panel that is supplied on request. By-pass panel connection diagram.
If the UPS has an input for the auxiliary power supply, the
Q2 switch must be connected to this input and the main
power supply input must be disconnected on the control panel.
If the maintenance bypass is activated with the appropriate procedure, the load is powered directly from the main-
UFOBODFCZQBTTXIJMFUIF614JTTFQBSBUFEGSPNUIFQPXFSTVQQMZBOEDBOCFTXJUDIFEPí
This operating mode can be selected for maintenance to be carried out on the system so that the necessary actions
can be performed by service personnel without having to disconnect the power supply to the load.
Q1 Bypass switch.
Q2 Mains power switch.
Q3 Output switch.
4.4-2
Mains
L 3
L 2
L 1
L 3
L 2
L 1
L o
N
N
L oad
I N
U PS
N
L o
N
O UT
3-phase input/1-phase output for UPS 3/1.
Bypass panel connection diagram.
4.4-1
Mains
L 3
L 2
L 1
L 3
L 2
L 1
L 1
N
N
L oad
I N
U PS
N
L 1
L 2 L 2
L 3 L 3
N
O UT
3-phase input/3-phase output for UPS 3/3.
Q1
Q2
Q3
Q1
Q2
Q3