BACNET® FIXED FUNCTION THERMOSTAT
31-00099—01
2
QUICK LOOKUP APPLICATION SELECTION TABLES
Table 1. Fan Coil Unit (4 Pipe) Applications
Note: If there is no space temperature sensor connected to an input, then DDC within the BACnet FF will default to using
the internal sensor stored at AV-104.
Note: For all applications using the TB3026B-W, then additional I/O is available:
3 x wireless PIR
8 x wireless door/window sensors
Table 2. Fan Coil Unit (2 Pipe) Applications
Application
# 6
# 7
# 8
# 9
# 17
Fan
On/Off or VFD
On/Off or VFD
Three Speed or
VFD
Three Speed or
VFD
Three Speed
Cooling Valve
Three Point
Floating
Three Point
Floating
Two Position
Open/Close
Two Position
Open/Close
Analog
Heating Valve
Three Point
Floating
Three Point
Floating
Two Position
Open/Close
Two Position
Open/Close
Analog
Auxiliary Electric
Heater
No
No
No
Yes
No
Economizer
Analog
Analog
Analog
Analog
Three Point
Floating
Space Sensor (10K
Type II Thermistor)
Optional
No
No
No
Optional
OAT Sensor (10K
Type II Thermistor)
Optional
No
No
No
No
Supply Air Temp
Sensor (10K Type II
Thermistor)
Required for
Economizer
Control
Required for
Economizer
Control
Required for
Economizer
Control
Required for
Economizer
Control
Optional
Occupancy
Detection
Optional via
Standby
Switch
Optional Via
Door, Window
Sensors or PIR
Optional Via
Door, Window
Sensors or PIR
Optional Via
Door, Window
Sensors or PIR
Optional Via
Door, Window
Sensors or PIR
Condensate Alarm
Optional
No
No
No
No
Application
# 11
# 12
# 13
# 14
# 15
# 16
# 18
Fan
Three Speed
or VFD
Three Speed
or VFD
Three Speed
or VFD
Three Speed
or VFD
Three Speed
or VFD
Three Speed
or VFD
On/Off or VFD
Cooling Valve
Three Point
Floating or
Analog
Three Point
Floating or
Analog
Three Point
Floating or
Analog
Two Position
Open/Close
or Analog
Two Position
Open/Close
or Analog
Two Position
Open/Close
or Analog
Two Position
Open/Close,
Three Point
Floating,
or Analog
Heating Valve
Auxiliary Electric
Heater
No
No
Yes
No
No
Yes
Yes
Economizer
No
No
No
No
No
No
No
Space Sensor (10K
Type II Thermistor)
Optional
No
No
No
No
No
No
OAT Sensor (10K
Type II Thermistor)
No
No
No
No
No
No
No
Supply Air Temp
Sensor (10K Type II
Thermistor)
No
No
No
No
No
No
Optional
Supply Water Sensor
(Strap On 10K Type II
Thermistor)
No
No
Yes
Yes
No
Yes
Yes
Occupancy
Detection
Optional Via Door, Window Sensors or PIR
Condensate Alarm
No
No
No
No
No
No
No
