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Symbio 210 Controller Points and Parameters
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Operating Status
This box includes view only settings related to air flow. Two fan output settings can be overridden.
ECM Fan Setup
(Visible if an ECM fan is configured.) This box includes flow setpoint, maximum and minimum flow
settings, and a correction factor setting.
Current Calibration Summary
Presents the results of the two point air valve calibration along with the Minimum and Maximum
Air Flow Setpoints.
Discharge Air Reset Limits
This box contains settings that are used for Dual max VAV boxes. When the VAV's heating valve
is open, the box flow will modulate between the flow settings to control to the Discharge Air Temp
Design Setpoint.
Configuration Screen
Application Selection
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Fan Settings
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Reheat Settings
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Note: A full discussion of air balancing is beyond the scope of this document. Refer to the
Rooftop VAV Systems Applications Manual (SYS-APM007).
Airflow Override (Start Button): Displays the Airflow Override dialog box. You can override
the air damper to open for a limited duration as part of a system water balancing operation.
When the timed duration expires, the water valve is released back to its normal setting.
Water Valve Override (Start Button): Displays the Water Valve Override dialog box. You can
override the water valve to open for a limited duration as part of a system water balancing
operation. When the timed duration expires, the water valve is released back to its normal
setting.
Fan Override (Start Button): Displays the Fan Override dialog box, which can be used to
override the fan setting to On.
Note: For ECM fans, you can also select the speed at which the fan turns on.
Profile: This allows for selection between three operational programs. The three programs are
Space Temperature, Ventilation Flow, and Flow Tracking.
Box Size: Used to select a Trane F-style box size or Generic Box.
Air Damper Opens: Chose between Clockwise and Counter-Clockwise damper rotation to open
the damper.
Fan Control: Choices are None, Parallel, and Series. If Parallel or Series is selected the Fan
Setting group box will appear.
Reheat Type: Choose between reheat options of None, Hot Water, or Electric heat. If Hot Water
or Electric heat are selected the Reheat Settings group box will appear.
Fan Motor Type: The default is Standard. Select ECM if an ECM is installed.
Parallel Fan Control: This entry will determine if a parallel fan is controlled based on zone
temperature or on flow conditions. The entry field on this line will disappear if the unit does not
have a parallel fan. Refer to the section,
Valve Control Type (Hydronic): The choices are two-position, modulating, or both.
"Parallel Fan," p.
49, for details on parallel fan operation.
BAS-SVX084A-EN
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Troubleshooting
