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Close: Set the Percent Cmd to 0%.
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Open: Set the Percent Cmd to 100%.
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Hold: Hold the current position.
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Control: Adjust the Percent Cmd output to maintain the flow at the desired flow setpoint.
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Failsoft: Set the Damper Percent Cmd to the Failsoft Value.
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Box Flow Test: Set the Damper Percent Cmd to the Box Flow Test Position.
Mode | Flow Reliable | Non-Zero Setpoint | State |
---|---|---|---|
Open | * | * | Bypass |
Close | * | * | Bypass |
Hold | * | * | Hold |
Control | * | FALSE | Bypass |
FALSE | TRUE | Control Flow Unreliable | |
TRUE | TRUE | Control Flow Reliable | |
Box Flow Test | * | * | Bypass |
Failsoft | * | * | Bypass |