Honeywell BACnet User Manual

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 AlarmNoNoNoNoNoNo No

Honeywell BACnet Specifications

General

Communication Protocol	BACnet MS/TP
Power Supply	24 VAC/VDC
Display	LCD (backlit)
Mounting	Wall Mount
Operating Temperature	32°F to 122°F (0°C to 50°C)