LXE vx7 Betriebsanweisung

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Vehicle 12-80VDC Power Connection 
67 
E-EQ-VX7OGWW-H 
VX7 User’s Guide 
Vehicle 12-80VDC Power Connection 
Caution: 
!
 
For proper and safe installation, the input power cable must be connected to a 
fused circuit on the vehicle. This fused circuit requires a 10 Amp maximum 
time delay (slow blow) high interrupting rating fuse. If the supply connection 
is made directly to the battery, the fuse should be installed in the positive lead 
within 5 inches of the battery positive (+) terminal. 
Caution: 
!
 
For installation by trained service personnel only. 
Warning: 
!
 
Risk of ignition or explosion. Explosive gas mixture may be vented from 
battery. Work only in well ventilated area. Avoid creating arcs and sparks at 
battery terminals. 
Note: 
Please see “Power Adapter Cable” later in this section for information on adapting a 
VX1, VX2 or VX4 DC power supply to the VX7. 
GND
+
-
3
4
5
6
1
2
 
1.  To Vehicle Battery 
2. To 
Vehicle 
Mounted Device or 
UPS Battery Pack 
3. White 
(DC+) 
4. Black 
(DC-) 
5. Green 
(GND) 
6.  12 – 80 VDC
 
Figure 62  Vehicle Power Connection Cable (Fuse Not Shown) 
5
4
3
2
1
6
7
8
 
1.   Vehicle Electrical 
System 
2.   10 Amp Slow 
Blow Fuse 
3.   DC + 
4.   DC - 
5.   Vehicle Chassis 
6.   White 
7.   Black 
8.   Green
 
Figure 63  Connecting the Power Cable to the Vehicle 
Note: 
Correct electrical polarity is required for safe and proper installation. Connecting the 
cable to the VX7 with the polarity reversed will cause the VX7’s fuse to be blown. See the