3-12
Chapter 3. OPERATION
*1. Air pressure switch
Configure a verification circuit that does the following:
When the blower is about to start, and there is no air flow, the circuit should verify
that no pressure is detected. If pressure is detected under these conditions, the
blower should not be started.
*2. When configuring the circuit, use the pilot ignition signal output as the condition for
starting the burner controller for the main burner and for activating the interlock.
*3. Be sure to set up a separate external reset input for each AUR450C. The external reset
input of another AUR450C cannot be shared.
Note
•
JIS B8415 defines ignition times as follows.
Pilot burner ignition time: within 10 s.
Main burner ignition time: within 5 s.
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