Handling Precautions P4 - SMC Networks ITV1000 Series Operation Manual

Handling precautions
△
Caution
！
If the power supply to this product is turned off due
to a power failure during normal operation, the
output on the secondary side will be held and air will
flow continuously.
If supply pressure to this product is interrupted or
shut off, while the power is still on, the internal
solenoid valve will continue to operate and a
humming noise will be generated.
Turn off the power supply when supply pressure is
interrupted or shut off, since the life of the product
may be shortened.
This product is adjusted to specification at the time
of shipment from the factory.
Avoid careless disassembly or removal of parts, as
this can lead to malfunction.
Take the following steps to avoid malfunction due
to noise.
1. Install a line filter etc. to the AC power line to
reduce / eliminate power supply noise.
2. Avoid malfunction due to noise by installing this
product and its wiring away from strong electric
fields, such as those of motors and power
cables, etc.
3. Be sure to implement protective measures
against load surge for inductive loads (solenoid
valves, relays etc.).
4. Turn off the power supply before inserting or
removing the connector.
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