DS-E Series（1~6KVA）User’s Manual
18
120VDC
Battery -
Battery +
N
LLN
-
+
PE
INPUT
OUTPUT
BATTERY
Grouding
AC Output "L"
AC Output "N"
AC input "L"
AC input "N"
Fig. 3-6 DS6000EL/DS6000E EXT Wiring Illustration
3.5.5 Inspection of Electric Connection
1． Inspection of AC input wire: Whether the AC wire color spectrum is
normative. Whether the wire diameter of AC input cable is suitable.
Whether control switch is connected outside. Whether the connection of
line wire (L), neutral wire (N) and ground wire (GND) is correct. Whether
the connection of AC input wire is firm.
2． Inspection of AC output wire: Whether the AC output wire color
spectrum is normative. Whether the wire size of AC output cable is
suitable. Whether switch in the control switch outside. Whether the
connections of line wire (L), neutral wire (N) and ground wire (GND) is
correct. Whether the connection of AC output wire is firm.
3． Inspection of ground wire: Whether the ground wire of UPS is connected
to the ground line bank of the equipment room. Whether the connection
of ground wire is reliable.
4． The inspection of the voltage difference between neutral wire and
ground wire: the voltage difference should be less than 5Vac.
5． If the customer adopts the configuration of long time-delay model,
examine whether the battery cable connection of main unit box and
battery box is correct and reliable.
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