Chapter 4 _______________________________________________________________ Installation
VAISALA_______________________________________________________________________ 99
Powering Up the System
When the station is ready for powering, the backup batteries and the solar
panel are connected first and then the AC (mains) power.
For battery connection, make sure the backup batteries are properly
fastened; see section Installing Backup Batteries on page 94. Connect
both brown wires marked with red to the + poles of the batteries. Connect
the blue wires marked with black to the - poles of the batteries. Connect
the solar panel cable to the Solar Panel connector on the bottom of the
enclosure; see Figure 53 on page 97.
Battery wiring is as follows:
Battery Cable Battery Function
Brown with red marking + Positive pole +12 V
Blue with black marking - Negative pole (GND)
CAUTION
Check the battery wiring carefully to avoid short-circuiting and injury to
personnel.
1012-213
Figure 55 Connecting Battery
The following numbers refer to Figure 55 above:
1 = Screw M4x16 DIN933 A4; use wrench 7 mm
2 = Spring washer B4 DIN127 A4
3 = Washer A4.3 DIN125 A4
4 = Flat terminal
5 = Battery cable
6 = Nut M4 DIN934 A4; wrench 7 mm
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