Pepperl+Fuchs KVF-F, Руководство пользователя

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FAT LEVEL SENSOR KVF-F
Maintenance and Repair
EN
5 Maintenance and Repair
5.1 Function Testing
Test frequency
The sensor is maintenance-free. However, to guarantee perfect operation of the
complete alarm system check the operation of the sensor at least once a year, or
more frequently in the event of unfavorable environmental conditions.
Checking the normal status
1. Switch DIP switch 1 to position OFF.
2. Remove the sensor from the grease interceptor.
3. Wash and dry the sensor.
4. Hold the sensor in your hand (no gloves). Only touch the upper and lower
metal section ( see Figure 2.1 on page 7) or
5. Immerse the sensor in water.
The green "SYSTEM OK" LED on the warning device flashes or lights up.
Checking the alarm situation
1. Switch DIP switch 1 to position OFF.
2. Suspend the fat level sensor freely in air.
The red "FAT LAYER ALARM" LED lights and, if applicable, an acoustic
signal sounds.
Note!
Further information on connection of the sensors to the warning device is
available in the manual of the warning device NVD-111.