10
WIRING DIAGRAM for single phase with separated bypass line installation
DISTRIBUTION PANEL DIAGRAM
INDICATIONS ON THE KIT
CABLES YSDUE17…
LINE
N_IN
L_FUSE
SW_BYP
SW_BYP
L_OUT
N_OUT
EARTH
ATTENTION: connect the Neutral wires together downstream of the SWIN and SWBYP switches
WIRING DIAGRAM for three phase input installation
DISTRIBUTION PANEL DIAGRAM
INDICATIONS ON THE KIT
CABLES YSDUE17…
L3_IN
L2_IN
L_FUSE
N_IN
SW_BYP
SW_BYP
L_OUT
N_OUT
TERRA
WARNING: it is essential that terminals SW_BYP of the UPS are connected to the auxiliary contact of
the
SERVICE BYPASS
switch. When the
SERVICE BYPASS
switch closes, this auxiliary contact opens,
indicating to the UPS that the
SERVICE BYPASS
has been inserted. If this connection is not present, power
to the load may be cut off and the UPS may be damaged.
A WARNING LABEL MUST BE AFFIXED ON ALL MAINS POWER DISCONNECTING SWITCHES NOT
INSTALLED NEAR THE UPS AREA, TO REMIND SERVICE PERSONNEL OF THE FACT THAT THE
CIRCUIT IS CONNECTED TO A UPS. THE LABEL MUST CARRY THE FOLLOWING WORDING:
ISOLATE THE UNINTERRUPTIBLE POWER SYSTEM (UPS)
BEFORE WORKING ON THIS CIRCUIT
RETE
CARICO
TO UPS
NOTE: insulate
the unused wires
with a clamp
TO UPS
NOTE: insulate
the unused wires
with a clamp
MAINS
LOAD
BYPASS LINE
