LG V-net serie Montageanleitung Seite 7

③ Wiring and CO2 sensor installation
Power line connection(DC12V) : Connect P+(Power-Red) with G- (Ground-Black).
Output connection : Connect G (Ground) with O1(output-white).
Terminal
P (1) Red
G (2) Black
O1 (3) White
1. All the supplied electric cables come with connector. No cutting or additional connection
procedure is required.
2. If wire should be cut and reassembled while installation, be sure to check the colors and power
description of terminal before you connect the wires.
Otherwise, Incorrect connection & short-circuit might cause wrong operation or malfunction of
sensor.
④ Fixing cover and reassembly
Reassemble the CO2 sensor PCB with a bottom case, which is already fixed on the wall.
Assemble the front case onto the bottom case
⑤ Connect with main PCB
When sensor is installed, connect the extension cable to the male connector of 15cm cable.
After that, Connect the other end of the cable to CN_CO2 on main PCB.
Main PCB
CN_CO2
Function
Power (+)
Power Ground (-)
Analogue output
Black
Red
White
Harness Type
SMW250 - 04
+
Connection wire
10m(1EA)
Electric spec.
12VDC
GND
0-5VDC
+
Installation manual 7
Installation Method
Remarks
Power
System supply
0-2,000 ppm