Relief damper control for AHUs using actuated dampers without fan
Sequence for controlling actuated relief damper yRelDam for AHUs using
actuated relief damper without a fan.
It is implemented according to Section 5.16.8 of ASHRAE Guideline G36, May 2020.
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Relief dampers shall be enabled when the associated supply fan is proven on
(
u1SupFan = true), and disabled otherwise.
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When enabled, use a P-only control loop to modulate relief dampers to maintain building
static pressure
dpBui at its setpoint, which is by defaul
12 Pa (0.05 inchWC).
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Close damper when disabled.
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May 20, 2021, by Jianjun Hu:
First implementation.
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