SECTION TWO (CONTROL ACTION & DEVICES) -Component normal positioning and action 2.8 -Two way valve 2.9 -Damper motor (actuator) 2.10 -Pilot positioned (positive positioning relay) on damper motor 2.11 -Pneumatic and electric devices 2.12 to 2.19 PURPOSE OF SECTION Present applicable components and logic. Any logic statement regarding event sequencing, while controlling valves, dampers, etc. can be achieved by proper application of the control relays on pages from 2.12 to 2.18.
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