These selections provide the logic for the main fans.
The selection options for Fans are:
Supply Fan
-
Single Speed
-
Variable Speed
-
Fan Status
-
Loss of Airflow Strategy
-
Automatic Restart
-
Manual Restart
-
Unit Reset Switch (BI)
-
-
-
-
Alarm Management
-
Lockout Switch
-
Frequency Converter Fault
-
Automatic Restart
-
Manual Restart
-
Unit Reset Switch (BI)
-
-
-
Motor Overload Tripped
-
Automatic Restart
-
Manual Restart
-
Unit Reset Switch (BI)
-
-
-
Belt Alarm
-
Automatic Restart
-
Manual Restart
-
Unit Reset Switch (BI)
-
-
-
Return Fan
-
Single Speed
-
Variable Speed
-
Volume Matching
Note: When you select a Volume Matching Return Fan and select either Separate Proportional Outputs (3 AOs) or EAD & RAD Proportional, the outdoor air volume is controlled by the differential flow between the Supply and Return Fans, and the supply air temperature is controlled by modulating the return and exhaust air dampers.-
Velocity Pressure (Pitot Tube)
-
Flow Measurement (Scaled)
-
Calculate Discharge Flow from Cold and Hot Deck Flow Sensors
-
Separate Occupied and Unoccupied Flow Setpoints
-
-
Building Static Pressure
-
Track Supply Fan
-
-
Fan Status
-
Loss of Airflow Strategy
-
Automatic Restart
-
Manual Restart
-
Unit Reset Switch (BI)
-
-
-
-
Alarm Management
-
Lockout Switch
-
Frequency Converter Fault
-
Automatic Restart
-
Manual Restart
-
Unit Reset Switch (BI)
-
-
-
Motor Overload Tripped
-
Automatic Restart
-
Manual Restart
-
Unit Reset Switch (BI)
-
-
-
Belt Alarm
-
Automatic Restart
-
Manual Restart
-
Unit Reset Switch (BI)
-
-
-
-
Fan to Start First
-
Supply
-
Return
-
Variable Speed Relief Fan (Bldg Static Press Control)
-
Fan Status
-
Loss of Airflow Strategy
-
Automatic Restart
-
Manual Restart
-
Unit Reset Switch (BI)
-
-
-
-
Alarm Management
-
Lockout Switch
-
Frequency Converter Fault
-
Automatic Restart
-
Manual Restart
-
Unit Reset Switch (BI)
-
-
-
Belt Alarm
-
Automatic Restart
-
Manual Restart
-
Unit Reset Switch (BI)
-
-
-
Exhaust Fan
-
Toilet Exhaust Fan
-
Fan Status
-
Loss of Status Strategy
-
Automatic Restart
-
Manual Restart
-
Unit Reset Switch (BI)
-
-
-
-
Alarm Management
-
Lockout Switch
-
Motor Overload Tripped
-
Automatic Restart
-
Manual Restart
-
Unit Reset Switch (BI)
-
-
-
-
Blocking Protection
-
-
General Exhaust Fan
-
Fan Status
-
Loss of Status Strategy
-
Automatic Restart
-
Manual Restart
-
Unit Reset Switch (BI)
-
-
-
-
Alarm Management
-
Lockout Switch
-
Motor Overload Tripped
-
Automatic Restart
-
Manual Restart
-
Unit Reset Switch (BI)
-
-
-
-
Blocking Protection
-
A Supply Fan is required (that is, it is selected by default) as well as an optional Return or Relief Fan.
A Variable Speed Supply Fan is required in order to select a Variable Speed Return Fan.