3-1
Chapter 3. INSTALLATION
CAUTION
Use this device within the operating ranges recommended in the specifications (temperature,
humidity, voltage, vibration, shock, mounting direction, atmosphere, etc.).
Failure to do so might cause fire or faulty operation.
Do not block ventilation holes.
Doing so might cause fire or faulty operation.
Installation place
Install the controller in the following locations:
• With the exception of supply power and relay contact output, the I/O common
mode voltage to ground must be 30 Vrms max., 42.4 V peak max., 60 V DC max.
• Not high or low temperature/humidity.
• Free from silicone gas and other corrosive gases such as sulfide gas.
• Less dust or soot.
• Appropriately processed locations to prevent direct sunlight, wind or rain.
• Less mechanical vibration and shock.
• Not close to the high voltage line, welding machine or electrical noise generating
source.
• The minimum 15 m away from the high voltage ignition device for a boiler.
• Less effect by the magnetic.
• No flammable liquid or gas.
• Indoors.
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