Azbil AUR355, User Manual

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5
Chapter 2. Installation and Wiring
CAUTION
When disposing of this device, dispose of it as industrial waste, following local regulations.
Use a surge protector or similar device if there is a risk of power surges caused by lightning.
Failure to do so may cause fire or device failure.
Use the contact reset input (terminal 24) for one AUR only. Do not use the terminal for contact
reset input to other AUR355 devices.
Do not share the output common (terminal 6) and the input common (terminals 19, 20) with
other AUR355 devices.
Do not provide instrumentation to stop the power to the device as soon as the alarm operates.
When the power to this device is turned on again, an alarm may be activated (E908).
To prevent malfunction caused by the effect of external noise, in operations other than trial
operation, maintenance, or troubleshooting, do not keep the loader cable connected during
the operation.
Take countermeasures based on the instruction manual for that device if there is a device such
as an inverter nearby that generates strong electrical noise.
Firmly tighten the terminal screws to the torque listed in the specifications.
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Installation method
WARNING
Before mounting, removing, or wiring, be sure to turn off the power to this device and all
connected devices. Failure to do so may result in an electric shock.
CAUTION
Installation, wiring, inspection, adjustment, and maintenance must be carried out by
experienced specialists who have knowledge and skills concerning combustion equipment
and this device.
Do not install this product in a place with any of the following characteristics.
•
Certain chemicals or corrosive gases (ammonia, sulfur, chlorine, ethylene compounds, acid,
etc.)
•
Splashing water or excessive humidity.
•
High temperatures
•
Prolonged vibration
When using this device in a burner control system, install it in a control panel that is rated IP40
or more. To achieve IP40 protection without installing in a control panel, mount this device on
separately-sold sideboards. The protection rating of this device is equivalent to IP10.