SMC Networks IL220 Series, Operation Manual

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6. Precautions in using
Warning Operation
(1) Do not operate the lock-up valve out of the specifications, because it causes malfunction.
(2) If lock-up valve failure affecting the system is expected, provide a safety circuit for the system
to avoid danger.
(3) When supplying air pressure fails and it decreases lower than the setting pressure, air source
and operating part are shut down, but since the pressure decrease gradually, check line
pressure (movement of actuator) constantly.
Warning Handling
(1) Excess vibration and impact on the lock-up valve cause failure, that take care handling during
transportation and operation.
(2) If the product is left the site for long time, take measures such as closing a cover and plugging
piping ports to avoid direct instruction of rain.
If the case of high temperature and high humidity atmosphere, take measures not to form
dews in the internal machines. Especially for packing for export, thoroughly take
countermeasures for dew formation.
Warning Air supply
(1) Supply clean compressed air whose moisture and dust are removed since there is capillary
tubing in the lock-up valve inside. Avoid using a lubricator.
(2) Avoid using compressed air compressed air containing chemicals, synthetic fluid including
organic solvent, salinity, and corrosive gas as it may cause malfunction.
Warning Environment
(1) Do not use in environment where the product is exposed to corrosive gas, chemicals, salt
water, water or steam.
(2) Do not operate the product in a location where it is subject to strong vibration and/or shock.
For vibration, it should be within 1G 60Hz.
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