SMC Networks PF3A801H-L Operation Manual page 11

Digital flow switch modular type
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Adjustment and Operation
•Connect the load before turning the power supply on.
•Do not short-circuit the load.
Although error is displayed when the product load has a short circuit, generated over current may lead to the
damage of the product.
•Do not press the setting buttons with a sharp pointed object.
This may damage the setting buttons.
•Supply power under no flow conditions.
•If using the product to detect very small flow differences, warm up the product for 10 to 15 minutes first.
There will be a drift on the display of approx 2 to 3% for 10 minutes after the power supply is turned on.
•The product doesn't produce and output signal for 3 seconds after the power is supplied.
•Perform settings suitable for the operating conditions.
Incorrect setting can cause operation failure.
•During the initial setting, the product will switch the measurement output with the condition before
setting.
Check the effect to the equipment before setting.
Stop the control system for setting, if necessary.
•Do not touch the LCD during operation.
The display can vary due to static electricity.
Maintenance
•Perform regular maintenance and inspections.
There is a risk of unexpected failure of components due to the malfunction of equipment and machinery.
•Before performing maintenance, turn off the power supply, stop the air supply, exhaust the residual
compressed air in the piping, and verify the release of air.
Otherwise, unintended malfunction of system components can result.
•Remove the condensate periodically.
If condensate enters the secondary side, it can cause operating failure of pneumatic equipment.
•Do not use solvents such as benzene, thinner etc. to clean the product.
This may damage the surface of the body or erase the markings on the body.
Use a soft cloth to remove stains.
For heavy stains, use a damp cloth that has been soaked with diluted neutral detergent and fully squeezed, then
wipe up the stains again with a dry cloth.
-10-
No.PF※※-OMY0005

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