The following table describes the attributes used by the Fan Relief BSP for UL-864-UUKL modules.
Name |
Type 1 |
Description |
Default Value |
---|---|---|---|
Bldg Static Pressure |
Building static pressure. |
25 Pa, 0.10 in. W.C. |
|
Building Static Pressure Units |
Used in the BS-P Control mode. This input defines the units for the process. |
Pa, in. W.C. Set Name: Unit |
|
Emergency BSP Setpoint |
Used in the BS-P Control modes during an emergency or when the FSCS input is not set to Auto. |
-25 Pa, -0.10 in. W.C. |
|
Emergency On Percent Cmd |
Indicates the Percent Cmd issued to the fan during an emergency if the Building Static Pressure is not reliable. |
70% |
|
Mode |
Indicates the desired mode of operation. |
Off Set Name: AHU RF BSP Mode UL |
|
Normal BSP Setpoint |
Used in the BS-P Control modes under normal control circumstances. This is the building static pressure setpoint. |
25 Pa, 0.10 in. W.C. |
|
Output Overridden |
Indicates when the actual output controlled by this output is overridden by a user. |
False |
|
Output Position |
Provides the current Present Value of the output that this controller drives. |
0% |
|
PID Tuning Reset |
Causes the PID objects to reset their tuning parameters to the default based on the appropriate Process ID. |
Normal Set Name: PID Tuning Reset |
|
Priority |
Specifies the BACnet priority for the output points. For normal control, this value is set to 16 (Default). This value is set to 1 when the FSCS input is not Auto and set to 2 (Automatic Fire/Life Safety Control) when the Mode indicates an emergency is not Normal. |
16 |
|
Relief Fan Control Status |
V |
PID Status. The possible values are normal, overridden, disabled, low, timing low, high, and timing high. |
Normal Set Name: Control Status |
Relief Fan OnOff |
V |
Control signal for the relief fan. |
Off Set Name: Off/On |
Relief Fan Percent Cmd |
V |
Analog signal for the relief fan, which is used to command a fan speed. This output ranges from 0% to 100%. |
0.0% |
RLF-OUTSTATE (State) |
V, G |
Indicates the current operational mode of the output controller. |
Off Set Name: AHU Relief Fan State UL |