Pool Boiler: Difference between revisions

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# The boiler time-delay relay TD3 (pump delay post-purge) is engaged, which immediately energizes contactor C2, turning on the blower motors (low speed).
# The boiler time-delay relay TD3 (pump delay post-purge) is engaged, which immediately energizes contactor C2, turning on the blower motors (low speed).
# The automation system relay CR2111 is energized, which activates PLC input X11.
# The automation system relay CR2111 is energized, which activates [[Pool Systems Automation#Digital Inputs|PLC input X11]].


=== Stage C ===
=== Stage C ===