Unipower Aspiro 1U - Rear Connections; DC Earth Connection (FRAME GROUND); Figure 4-3 Rear Connections; Figure 4-4 DC Earth Connections

Page 21
POWERING TECHNOLOGY
Document No. M00035-MAN rev. 3a
aspiro1u_m35-man-rev3a-0417.indd
4.5 Rear Connections
All cable connections for the Aspiro system are available at the rear of the system, see Figure
4-3.
CAUTION Use UL-listed wires with an insulation rating to at least 90°C.
WARNING Before inserting the cable into the connector, remove as little insulation on
the cable as possible, to prevent the stranded conductor to come loose and touch any other
conductive parts.
SIGNAL
CONNECTIONS
BATTERY
CONNECTIONS
AC
CONNECTIONS
RS485
LOAD
CONNECTIONS
FRAME
GROUND
1-phase 2 x 1-phase
X9 X10
X6
X5
GMT OPTION DETAIL
Figure 4-3 Rear Connections
4.5.1 DC Earth Connection (FRAME GROUND)
WARNING The power system needs to be properly grounded to the rack or cabinet frame
to ensure its safe and ecient operation.
The Earth Connection (Frame Ground) of the rack is located on the rear as shown in Figure
4-3.
To connect:
1. Loosen the screw (M5).
2. Attach suitably sized cable lug.
3. Tighten the screw with torque 3.5Nm.
Recommended cable size is 6 mm
2
.
Figure 4-4 DC Earth Connections