56
8011703/XF49/2019-09| SICK
O P E R A T I N G I N S T R U C T I O N S | VICOTEC320
Subject to change without notice
9
MAINTENANCE
9.2.5
Replacing the CO sensor
▸
Replace the CO sensor once a year (recommendation).
Procedure
1
Disconnect both connection lines from the terminals of the small electronic board of the
CO sensor.
2
Loosen 2 screws (
see Fig. “Position of the CO sensor in the connection unit”, page 56
3
Pull off the upper part of the CO sensor.
4
Insert the new CO sensor.
5
Screw the new CO sensor tight.
6
Reconnect both connection lines as previously.
7
Switch the voltage supply of the connection unit on again.
Fig. 40: Position of the CO sensor in the connection unit
WARNING: Hazard by voltage.
Live parts are accessible when the device is open!
▸
Switch the supply voltage off before opening the device.
▸
Only use suitable, insulated tools.
1 Screws
