User manual for electronic counters SLE-42 and STH-42
b)
Figure
4.4.
Rear terminals description:
a) version with dry contact/OC/NPN input
b) version with wide-range voltage input
4.4.
MAINTENANCE
The unit (except battery) does not have any internal replaceable or adjustable
components available to the user. Pay attention to the ambient temperature in the room where
the unit is operating. Excessively high temperatures cause faster ageing of the internal
components and shorten the fault-free time of unit operation.
In cases where the unit gets dirty do not clean with solvents. For cleaning use warm water with
small amount of detergent or in the case of more significant contamination ethyl or isopropyl
alcohol.
Using any other agents can cause permanent damage to the housing.
Product marked with this symbol should not be placed in municipal waste.
Please check local regulations for disposal and electronic products.
4.5.
BATTERY REPLACEMENT
Precautions when replacing the battery:
- Disconnect the wiring before changing the battery. Do not touch areas subject to
high voltages as this could result to an electric shock.
- Make sure that your body is free from static electricity before changing the battery.
- Use only 3.6V 1/2AA Lithium Battery for this unit.
1) Use a flat screwdriver or any appropriate tool to lift the groove in order to unfasten rear case
from front case.
2) Pull out the rear case from the main body.
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