Camus Hydronics DRH5000 - Sequence of Operation

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Sequence of Operation
Flow Switch = Flow Switch, Low water cutoff (if equipped), Water Pressure Switch (30 PSI)
Gas Pressure Switch = Low gas pressure switch (4.5” w.c., N/O), High gas pressure swtich (14” w.c., N/C)
Blocked flue switch (N/C)
Interrupted Air Switch (DR 1200 – 5000, N/O)