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Part names …………………………………………………………………………………21
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Operation …………………………………………………………………………………21
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Reset switch ……………………………………………………………………………21
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DISP switch ………………………………………………………………………………21
Chapter 4. Explanation of Operation
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Example of wiring connection with external device: Internal block diagram ………23
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Q890A100 base unit for RA890-AUR890 replacement ………………………………25
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Example sequence …………………………………………………………………………27
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Normal operation (Non-recycling gas-fired combustion) …………………………27
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Operation when an ignition failure occurs (Non-recycling gas-fired combustion) …28
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Operation when a flame failure occurs (Non-recycling gas-fired combustion) …29
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Normal operation (Non-recycling oil-fired combustion (2-level combustion)) …31
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Chapter 5. Trial Operation and Adjustment
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Preliminary inspection ……………………………………………………………………35
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Inspection procedure ……………………………………………………………………35
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Ignition spark response (UV sensor) ……………………………………………………36
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Measurement of flame voltage …………………………………………………………37
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Measurement method for flame voltage ……………………………………………38
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Checking ignition time in a case where it is configured with an external timer …38
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Pilot turn-down test ………………………………………………………………………39
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Safety shutoff check ………………………………………………………………………40
Chapter 6. Maintenance and Inspection
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General maintenance and inspection ……………………………………………………41
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Maintenance and inspection cycle ………………………………………………………41
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Alarm codes and details …………………………………………………………………42
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Содержание AUR890 Series
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