Azbil AUR890 Series, Руководство пользователя

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Chapter 2. Installation, Wiring
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Installation, Precautions for wiring
WARNING
This device has functions that are extremely important for the safe operation of combustion equipment. Use
it correctly in accordance with the user's manual.
Check the model number carefully and check that the sequence timing is as specified by the
combustion equipment manufacturer. Installing an incorrect model can result in an explosion
hazard.
To connect the power to this device, connect the high potential side (L1) to terminal 2 *1 and the
low potential side (L2(N)) to terminal 3. *1 Use a circuit to which power is constantly supplied after
the non-fuse circuit breaker (or power switch) is turned on.
*1. If the RA890 replacement base unit (Q890A100) is used, connect the high potential side (L1)
to terminal 1 and the low potential side (L2 (N)) to terminal 2.
Do not use a circuit that has a start input between the non-fuse circuit breaker (or power switch) and
terminal 2 or 3 *2 of this device.
*2. Between the non-fuse circuit breaker (or power switch) and terminal 1 or 2, if the RA890
replacement base unit (Q890A100) is used.
Connect the load (ignition transformer, solenoid valve, etc.) directly to the output terminals of this
device. If it is not directly connected, combustion safety cannot be ensured.
Do not connect the solenoid valve to the high-potential (L1). If it is connected to L1 and a ground
fault occurs, current can leak to the solenoid valve and open it, allowing fuel to flow out, regardless
of the status of the burner controller.
CAUTION
This device should be installed and connected based on this user's manual or manuals provided by
the combustion equipment manufacturer.
Follow all applicable regulations when doing the wiring work.
The power should be connected as the last step of wiring. Otherwise, if the wrong terminal is
touched by mistake, electrical shock or damage to this device may result.
Make sure that loads connected to the terminals do not exceed the rating indicated in the
specifications.
Supply power at the voltage indicated on the model number label of the device.
In keeping with technical standards for electrical equipment, the burner frame must be connected
to an earth ground by a wire having a resistance of less than 100 Ω.
Keep power lines and ignition transformer high-voltage cables separate from the flame detector
wires.
Run the high-voltage ignition transformer cable separately and keep it at least 30 cm away from the
device.
Make sure that ignition transformer high-voltage cables are properly connected to prevent faulty contact.
Faulty contact can generate high-frequency radio waves, causing malfunction.
The ignition transformer ground lead should be connected directly to the burner itself or to a
metallic part electrically connected to the burner.
After wiring work, be sure to check that the wiring is correct. Incorrect wiring can cause damage or
malfunction.