Honeywell BACnet Manual de usuario

APPLICATION QUICK REFERENCE GUIDE

31-00099-01

Buildings

BACnet® Fixed Function Thermostat

FOR FAN COIL/HEAT PUMP/CONVENTIONAL SYSTEMS

APPLICATION

Honeywell’s BACnet® Fixed Function Thermostat, BACnet

FF, is a configurable device with 19 pre-loaded

applications. The thermostat is a communicating,

intelligent sensor-controller combination with built-in

temperature and humidity sensors used to control

applications such as roof top units, fan-coil units and heat

pumps. The thermostat communicates over an MS/TP

LAN so it operates as a fully-functioning BACnet

controller and easily integrates with the building

automation system. The two available models are

TB3026B and TB3026B-W, which includes a wireless

sensor option (wireless sensors sold separately).

More Information

To learn more about these products, visit

http://customer.honeywell.com

• BACnet Fixed Function Thermostat Installation

Instructions (Form No. 31-00093)

• BACnet Fixed Function Thermostat Specification Data

(Form No. 31-00096)

• BACnet Fixed Function Thermostat WEBs-AX

Configuration Wizard Guide (Form No. 31-00097)

• BACnet Fixed Function Thermostat System

Engineering Guide (Form No. 31-00098)

TABLE OF CONTENTS

Quick Lookup Application Selection Tables .................... 2

Fan Coil Unit (4 Pipe) Applications ..................................... 2

Fan Coil Unit (2 Pipe) Applications ..................................... 2

Heat Pump Applications ......................................................... 3

Air Conditioning Unit Applications ..................................... 3

Application 0 – Heat Pump (Air to Air) ............................... 4

Application 1 – Heat Pump (Air to Water) ........................ 5

Application 2 – Heat Pump (Air to Air) ............................... 6

Application 3 – Heat Pump (Air to Water) ........................ 7

Application 4 – Air Conditioning Unit ................................ 8

Application 5 – Air Conditioning Unit ................................ 9

Application 6 – Fan Coil Unit – 4 Pipe ............................... 10

Application 7 – Fan Coil Unit – 4 Pipe ............................... 11

Application 8 – Fan Coil Unit – 4 Pipe ............................... 12

Application 9 – Fan Coil Unit – 4 Pipe ............................... 13

Application 10 – Heat Pump (Air to Air) ............................ 14

Application 11 – Fan Coil Unit – 2 Pipe ............................ 15

Application 12 – Fan Coil Unit – 2 Pipe ............................ 16

Application 13 – Fan Coil Unit – 2 Pipe ............................ 17

Application 14 – Fan Coil Unit – 2 Pipe ............................ 18

Application 15 – Fan Coil Unit – 2 Pipe ............................ 19

Application 16 – Fan Coil Unit – 2 Pipe ............................ 20

Application 17 – Fan Coil Unit – 4 Pipe ............................ 21

Application 18 – Fan Coil Unit – 2 Pipe ............................ 22

Field Service Mode Settings .................................................. 23

List of Main Device Objects ................................................... 24

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

CondensateAlarmNoNoNoNoNoNo No

BACNET® FIXED FUNCTION THERMOSTAT

331-00099—01

Table 3. Heat Pump Applications

Table 4. Air Conditioning Unit Applications

Application # 0 # 1 # 2 # 3 # 10

Fan On/Off or VFD On/Off or VFD On/Off or VFD On/Off or VFD 3 speed or VFD

Compressor Yes Yes Yes Yes Yes

Reversing Valve Yes Yes Yes Yes Yes

Air or Water

Sourced Air Water Air Water Air

Auxiliary Electric

Heater. One Stage One Stage Two Stage Two Stage One Stage

Economizer

Three Point

Floating or

Analog

Three Point

Floating or

Analog

Analog Analog Analog

Space Sensor (10K

Type II Thermistor) Optional Optional Optional Optional Optional

OAT Sensor (10K

Type II Thermistor) Optional Optional Optional Optional Optional

Supply Air Temp

Sensor (10K Type II

Thermistor)

Required for

Economizer

Control

Required for

Economizer

Control

Required for

Economizer

Control

Required for

Economizer

Control

Required for

Economizer

Control

Occupancy

Detection Optional Via Door, Window Sensors or PIR

Condensate Alarm Optional Optional Optional Optional Optional

Application # 4 # 5

Fan On/Off or VFD On/Off or VFD

Compressor One Two

Auxiliary Electric Heater One Stage Two Stages

Economizer Three Point Floating or Analog

Space Sensor

(10K Type II Thermistor) Optional Optional

OAT Sensor

(10K Type II Thermistor) Optional Optional

Supply Air Temp Sensor

(10K Type II Thermistor)

Required for

Economizer

Control

Required for

Economizer

Control

Occupancy Detection Optional Via Door, Window Sensors or PIR

Condensate Alarm Optional Optional

BACNET® FIXED FUNCTION THERMOSTAT

31-00099—01 4

APPLICATION 0 – HEAT PUMP (AIR TO AIR)

Features and Notes

• Three modes of schedule control set by AV-123 –

0 = Single point with offset during occupancy,

1 = Dual setpoint residential – wake, leave, return & sleep,

2 = Dual setpoint with offset occupancy.

• BACnet MS/TP compliant.

• English or metric units.

• Outputs are disabled if BV-2 is off.

• Disable operator access via the display to the schedule

by setting BV-102 to off.

• Onboard schedule can be enabled or disabled (BV-40).

• Heating and cooling are disabled if the fan is off.

• Use up and down arrows on the display to force the unit

into occupancy for four hours.

• Setpoint mode emulates residential thermostat

operation.

• Standby mode enables power saving if no motion is

detected while in occupancy.

• If condensation is detected, the compressor is held off

with the optional condensate input.

• By default the economizer control is set for analog. To

use three point floating control set a value in AV-63

(Economizer Stroke Time).

• The economizer control requires a supply air sensor

connected to AI-2:.

• One stage of auxiliary heating.

• Use 10K Type II Thermistor sensors for analog inputs.

• Electric heat is enabled when heating demand is > 65%.

• To configure AI-0 as a sensor set the following

parameters.

SINGLE STAGE ELECTRIC HEAT

Inputs

AI-0:: Space Sensor or Outside Air

Sensor (optional)

AI-2::

Supply Air Sensor (optional,

required for economizer control)

BI-1:: PIR/Door/Window Sensor

(optional)

BI-2:: Condensate Sensor (optional)

Outputs

BO-0:: Fan

BO-1:: Heat Pump Compressor

BO-2:: Reversing Valve

BO-3:: Electric Heat (optional)

BO-4:: Economizer Open (optional for

floating control)

BO-5:: Economizer Close (optional for

floating control)

AO-0:: Economizer (optional analog)

0-10V or 4-20mA

AO-1:: Fan Speed Control (optional)

4-20mA VFD/SCR

Note: Any I/O listed as “optional” will

require a BV to be set. Refer to the

sequence of operations outlined in

the BACnet FF Thermostat System

Engineering Guide, 31-00098.

MS/TP Network

Compr.

Rev.

Valve

Digital

Supply

Fan

Electric

Heater

Digital

Space or Outside

Temperature Sensor

(optional)

Supply

Temperature Sensor

(required for economizer

control)

PIR/Door/Window Sensor

(optional)

Condensate Sensor

(optional)

Digital

BV-47 (PS) BV-32 (Sr)

Space Temperature Off On

Outside Temperature On Off

Fan

HP Cmpr

Rev Vlv

Htg Stg 1

Econ Opn

Econ

Econ Cls

Controller Terminations

HPH1 AP 0

GND

BO 0

BO 1

BO 2

BO 3

BO 4

BO 5

AO 1

O/B

0-10Vdc

Com

AO 0

RC24VAC

24V

Com

BI/AI 1

COM

BI/AI 2

COM

BI/AI 0 Sensor *

SA Sensor

Optional

Standby

N.C. or N.O.

Optional

Condensate

alarm or fail

VC VFD /SCR

4-20ma

* Optional space or outside temperature sensor.

4-20ma

BACNET® FIXED FUNCTION THERMOSTAT

531-00099—01

APPLICATION 1 – HEAT PUMP (AIR TO WATER)

Features and Notes

• Three modes of schedule control set by AV-123 –

0 = Single point with offset during occupancy,

1 = Dual setpoint residential – wake, leave, return & sleep,

2 = Dual setpoint with offset occupancy.

• BACnet MS/TP compliant.

• English or metric units.

• Outputs are disabled if BV-2 is off.

• Disable operator access via the display to the schedule

by setting BV-102 to off.

• Onboard schedule can be enabled or disabled (BV-40).

• Heating and cooling are disabled if the fan is off.

• Use up and down arrows on the display to force the unit

into occupancy for four hours.

• Setpoint mode emulates residential thermostat

operation.

• Standby mode enables power saving if no motion is

detected while in occupancy.

• If condensation is detected, the compressor is held off

with the optional condensate input.

• By default the economizer control is set for analog. To

use three point floating control set a value in AV-63

(Economizer Stroke Time).

• The economizer control requires a supply air sensor

connected to AI-2:.

• One stage of auxiliary heating.

• Use 10K Type II Thermistor sensors for analog inputs.

• Electric heat is enabled when heating demand is > 65%.

• Set BV-31 to active by the BMS to indicate that there is

water flow.

• To configure AI-0 as a sensor set the following

parameters.

SINGLE STAGE ELECTRIC HEAT

Inputs

AI-0:: Space Sensor or Outside Air

Sensor (optional)

AI-2::

Supply Air Sensor (optional,

required for economizer control)

BI-1:: PIR/Door/Window Sensor

(optional)

BI-2:: Condensate Sensor (optional)

Outputs

BO-0:: Fan

BO-1:: Heat Pump Compressor

BO-2:: Reversing Valve

BO-3:: Electric Heat (optional)

BO-4:: Economizer Open (optional for

floating control)

BO-5:: Economizer Close (optional for

floating control)

AO-0:: Economizer (optional analog)

0-10V or 4-20mA

AO-1:: Fan Speed Control (optional)

4-20mA VFD/SCR

Note: Any I/O listed as “optional” will

require a BV to be set. Refer to the

sequence of operations outlined in

the BACnet FF Thermostat System

Engineering Guide, 31-00098.

MS/TP Network

Compr.

Rev.

Valve

Digital

Supply

Fan

Electric

Heater

Digital

Space or Outside

Temperature Sensor

(optional)

Supply

Temperature Sensor

(required for economizer

control)

PIR/Door/Window Sensor

(optional)

Condensate Sensor

(optional)

Digital

BV-47 (PS) BV-32 (Sr)

Space Temperature Off On

Outside Temperature On Off

Fan

HP Cmpr

Rev Vlv

Htg Stg 1

Econ Opn

Econ

Econ Cls

Controller Terminations

HPH1 AP 1

GND

BO 0

BO 1

BO 2

BO 3

BO 4

BO 5

AO 1

O/B

0-10Vdc

Com

AO 0

RC24VAC

24V

Com

BI/AI 1

COM

BI/AI 2

COM

BI/AI 0

Sensor *

SA Sensor

Optional

Standby

N.C. or N.O.

Optional

Condensate

alarm or fail

VFD /SCR

4-20ma

* Optional space or outside temperature sensor.

4-20ma

BACNET® FIXED FUNCTION THERMOSTAT

31-00099—01 6

APPLICATION 2 – HEAT PUMP (AIR TO AIR)

Features and Notes

• Three modes of schedule control set by AV-123 –

0 = Single point with offset during occupancy,

1 = Dual setpoint residential – wake, leave, return & sleep,

2 = Dual setpoint with offset occupancy.

• BACnet MS/TP compliant.

• English or metric units.

• Outputs are disabled if BV-2 is off.

• Disable operator access via the display to the schedule

by setting BV-102 to off.

• Onboard schedule can be enabled or disabled (BV-40).

• Heating and cooling are disabled if the fan is off.

• Use up and down arrows on the display to force the unit

into occupancy for four hours.

• Setpoint mode emulates residential thermostat

operation.

• Standby mode enables power saving if no motion is

detected while in occupancy.

• If condensation is detected, the compressor is held off

with the optional condensate input.

• By default the economizer control is set for analog. To

use three point floating control set a value in AV-63

(Economizer Stroke Time).

• The economizer control requires a supply air sensor

connected to AI-2:.

• Two stages of auxiliary heating.

• Use 10K Type II Thermistor sensors for analog inputs.

• First stage of electric heat is enabled when heating

demand is > 65%.

• Second stage of electric heat is enabled when heating

demand is > 75%.

• To configure AI-0 as a sensor set the following

parameters.

TWO STAGES ELECTRIC HEAT

Inputs

AI-0:: Space Sensor or Outside Air

Sensor (optional)

AI-2::

Supply Air Sensor (optional,

required for economizer control)

BI-1:: PIR/Door/Window Sensor

(optional)

BI-2:: Condensate Sensor (optional)

Outputs

BO-0:: Fan

BO-1:: Heat Pump Compressor

BO-2:: Reversing Valve

BO-3:: Electric Heat Stage 1

BO-4:: Electric Heat Stage 2

BO-5:: Not used

AO-0:: Economizer (optional analog)

0-10V or 4-20mA

AO-1:: Fan Speed Control (optional)

4- 20mA VFD/SCR

Note: Any I/O listed as “optional” will

require a BV to be set. Refer to the

sequence of operations outlined in

the BACnet FF Thermostat System

Engineering Guide, 31-00098.

MS/TP Network

Compr.

Rev.

Valve

Digital

Supply

Fan

Electric

Heater

Digital

Electric

Heater

Digital

Space or Outside

Temperature Sensor

(optional)

Supply

Temperature Sensor

(required for economizer

control)

PIR/Door/Window Sensor

(optional)

Condensate Sensor

(optional)

BV-47 (PS) BV-32 (Sr)

Space Temperature Off On

Outside Temperature On Off

Fan

HP Cmpr

Rev Vlv

Htg Stg 1

Htg Stg 2

Econ

Controller Terminations

HPH2 AP 2

GND

BO 0

BO 1

BO 2

BO 3

BO 4

BO 5

O/B

0-10Vdc

4-20ma

AO 0

RC24VAC

24V

Com

AO 1

Com

BI/AI 1

COM

BI/AI 2

COM

BI/AI 0 Sensor *

SA Sensor

Optional

Standby

N.C. or N.O.

Optional

Condensate

alarm or fail

VC VFD /SCR

4-20ma

* Optional space or outside temperature sensor.

BACNET® FIXED FUNCTION THERMOSTAT

731-00099—01

APPLICATION 3 – HEAT PUMP (AIR TO WATER)

Features and Notes

• Three modes of schedule control set by AV-123 –

0 = Single point with offset during occupancy,

1 = Dual setpoint residential – wake, leave, return & sleep,

2 = Dual setpoint with offset occupancy.

• BACnet MS/TP compliant.

• English or metric units.

• Outputs are disabled if BV-2 is off.

• Disable operator access via the display to the schedule

by setting BV-102 to off.

• Onboard schedule can be enabled or disabled (BV-40).

• Heating and cooling are disabled if the fan is off.

• Use up and down arrows on the display to force the unit

into occupancy for four hours.

• Setpoint mode emulates residential thermostat

operation.

• Standby mode enables power saving if no motion is

detected while in occupancy.

• If condensation is detected, the compressor is held off

with the optional condensate input.

• By default the economizer control is set for analog. To

use three point floating control set a value in AV-63

(Economizer Stroke Time).

• The economizer control requires a supply air sensor

connected to AI-2:.

• Two stages of auxiliary heating.

• Use 10K Type II Thermistor sensors for analog inputs.

• First stage of electric heat is enabled when heating

demand is > 65%.

• Second stage of electric heat is enabled when heating

demand is > 75%.

• Set BV-31 to active by the BMS to indicate that there is

water flow.

• To configure AI-0 as a sensor set the following

parameters.

TWO STAGES ELECTRIC HEAT

Inputs

AI-0:: Space Sensor or Outside Air

Sensor (optional)

AI-2::

Supply Air Sensor (optional,

required for economizer control)

BI-1:: PIR/Door/Window Sensor

(optional)

BI-2:: Condensate Sensor (optional)

Outputs

BO-0:: Fan

BO-1:: Heat Pump Compressor

BO-2:: Reversing Valve

BO-3:: Electric Heat Stage 1

BO-4:: Electric Heat Stage 2

BO-5:: Not used

AO-0:: Economizer (optional analog)

0-10V or 4-20mA

AO-1:: Fan Speed Control (optional)

4- 20mA VFD/SCR

Note: Any I/O listed as “optional” will

require a BV to be set. Refer to the

sequence of operations outlined in

the BACnet FF Thermostat System

Engineering Guide, 31-00098.

MS/TP Network

Compr.

Rev.

Valve

Digital

Supply

Fan

Electric

Heater

Digital

Electric

Heater

Digital

Space or Outside

Temperature Sensor

(optional)

Supply

Temperature Sensor

(required for economizer

control)

PIR/Door/Window Sensor

(optional)

Condensate Sensor

(optional)

BV-47 (PS) BV-32 (Sr)

Space Temperature Off On

Outside Temperature On Off

Fan

HP Cmpr

Rev Vlv

Htg Stg 1

Htg Stg 2

Econ

Controller Terminations

HPH2 AP 3

GND

BO 0

BO 1

BO 2

BO 3

BO 4

BO 5

O/B

0-10Vdc

4-20ma

AO 0

RC24VAC

24V

Com

AO 1

Com

BI/AI 1

COM

BI/AI 2

COM

BI/AI 0 Sensor *

SA Sensor

Optional

Standby

N.C. or N.O.

Optional

Condensate

alarm or fail

VC VFD /SCR

4-20ma

* Optional space or outside temperature sensor.

BACNET® FIXED FUNCTION THERMOSTAT

31-00099—01 8

APPLICATION 4 – AIR CONDITIONING UNIT

Features and Notes

• Three modes of schedule control set by AV-123 –

0 = Single point with offset during occupancy,

1 = Dual setpoint residential – wake, leave, return & sleep,

2 = Dual setpoint with offset occupancy.

• BACnet MS/TP compliant.

• English or metric units.

• Outputs are disabled if BV-2 is off.

• Disable operator access via the display to the schedule

by setting BV-102 to off.

• Onboard schedule can be enabled or disabled (BV-40).

• Heating and cooling are disabled if the fan is off.

• Use up and down arrows on the display to force the unit

into occupancy for four hours.

• Setpoint mode emulates residential thermostat

operation.

• Standby mode enables power saving if no motion is

detected while in occupancy.

• If condensation is detected, the compressor is held off

with the optional condensate input.

• By default the economizer control is set for analog. To

use three point floating control set a value in AV-63

(Economizer Stroke Time).

• The economizer control requires a supply air sensor

connected to AI-2:.

• One stage of auxiliary heating.

• Use 10K Type II Thermistor sensors for analog inputs.

• Electric heat is enabled when heating demand is > 65%.

• To configure AI-0 as a sensor set the following

parameters.

COMPRESSOR, SINGLE STAGE ELECTRIC HEAT

Inputs

AI-0:: Space Sensor or Outside Air

Sensor (optional)

AI-2::

Supply Air Sensor (optional,

required for economizer control)

BI-1:: PIR/Door/Window Sensor

(optional)

BI-2:: Condensate Sensor (optional)

Outputs

BO-0:: Fan

BO-1:: Compressor

BO-2:: Not used

BO-3:: Electric Heat (optional)

BO-4:: Economizer Open (optional for

floating control)

BO-5:: Economizer Close (optional for

floating control)

AO-0:: Economizer (optional analog)

0- 10V or 4-20mA

AO-1:: Fan Speed Control (optional)

4-20mA

Note: Any I/O listed as “optional” will

require a BV to be set. Refer to the

sequence of operations outlined in

the BACnet FF Thermostat System

Engineering Guide, 31-00098.

MS/TP Network

Compr.

Digital

Supply

Fan

Electric

Heater

Digital

Space or Outside

Temperature Sensor

(optional)

Supply

Temperature Sensor

(required for economizer

control)

PIR/Door/Window Sensor

(optional)

Condensate Sensor

(optional)

BV-47 (PS) BV-32 (Sr)

Space Temperature Off On

Outside Temperature On Off

Fan

Cmp Stg 1

Htg Stg 1

Econ Opn

Econ

Econ Cls

Controller Terminations

A1H1 AP 4

GND

BO 0

BO 1

BO 2

BO 3

BO 4

BO 5

0-10Vdc

AO 0

RC24VAC

24V

Com

AO 1

Com

BI/AI 1

COM

BI/AI 2

COM

BI/AI 0 Sensor *

SA Sensor

Optional

Standby

N.C. or N.O.

Optional

Condensate

alarm or fail

VC VFD /SCR

4-20ma

* Optional space or outside temperature sensor.

4-20ma

BACNET® FIXED FUNCTION THERMOSTAT

931-00099—01

APPLICATION 5 – AIR CONDITIONING UNIT

Features and Notes

• Three modes of schedule control set by AV-123 –

0 = Single point with offset during occupancy,

1 = Dual setpoint residential – wake, leave, return & sleep,

2 = Dual setpoint with offset occupancy.

• BACnet MS/TP compliant.

• English or metric units.

• Outputs are disabled if BV-2 is off.

• Disable operator access via the display to the schedule

by setting BV-102 to off.

• Onboard schedule can be enabled or disabled (BV-40).

• Heating and cooling are disabled if the fan is off.

• Use up and down arrows on the display to force the unit

into occupancy for four hours.

• Setpoint mode emulates residential thermostat

operation.

• Standby mode enables power saving if no motion is

detected while in occupancy.

• If condensation is detected, the compressor is held off

with the optional condensate input.

• By default the economizer control is set for analog. To

use three point floating control set a value in AV-63

(Economizer Stroke Time).

• The economizer control requires a supply air sensor

connected to AI-2:.

• Two stages of auxiliary heating.

• Use 10K Type II Thermistor sensors for analog inputs.

• First stage of electric heat is enabled when heating

demand is > 65%.

• Second stage of electric heat is enabled when heating

demand is > 75%.

• Set BV-31 to active by the BMS to indicate that there is

water flow.

• To configure AI-0 as a sensor set the following

parameters.

TWO STAGE COMPRESSOR, TWO STAGE ELECTRIC HEAT

Inputs

AI-0:: Space Sensor or Outside Air

Sensor (optional)

AI-2::

Supply Air Sensor (optional,

required for economizer control)

BI-1:: PIR/Door/Window Sensor

(optional)

BI-2:: Condensate Sensor (optional)

Outputs

BO-0:: Fan

BO-1:: Compressor Stage 1

BO-2:: Compressor Stage 2

BO-3:: Electric Heat Stage 1

(optional)

BO-4:: Electric Heat Stage 2

(optional)

BO-5:: Not used

AO-0:: Economizer (optional analog)

0-10V or 4-20mA

AO-1:: Fan Speed Control (optional)

4-20mA

Note: Any I/O listed as “optional” will

require a BV to be set. Refer to the

sequence of operations outlined in

the BACnet FF Thermostat System

Engineering Guide, 31-00098.

MS/TP Network

Compr.

Digital

Supply

Fan

Electric

Heater

Digital

Electric

Heater

Digital

Compr.

Digital

Space or Outside

Temperature Sensor

(optional)

Supply

Temperature Sensor

(required for economizer

control)

PIR/Door/Window Sensor

(optional)

Condensate Sensor

(optional)

BV-47 (PS) BV-32 (Sr)

Space Temperature Off On

Outside Temperature On Off

Fan

Cmp Stg 1

Cmp Stg 2

Htg Stg 1

Htg Stg 2

Econ

Controller Terminations

A2H2 AP 5

GND

BO 0

BO 1

BO 2

BO 3

BO 4

BO 5

0-10Vdc

AO 0

RC24VAC

24V

Com

AO 1

Com

BI/AI 1

COM

BI/AI 2

COM

BI/AI 0

Sensor *

SA Sensor

Optional

Standby

N.C. or N.O.

Optional

Condensate

alarm or fail

VFD /SCR

4-20ma

* Optional space or outside temperature sensor.

4-20ma

BACNET® FIXED FUNCTION THERMOSTAT

31-00099—01 10

APPLICATION 6 – FAN COIL UNIT – 4 PIPE

Features and Notes

• Three modes of schedule control set by AV-123 –

0 = Single point with offset during occupancy,

1 = Dual setpoint residential – wake, leave, return & sleep,

2 = Dual setpoint with offset occupancy.

• BACnet MS/TP compliant.

• English or metric units.

• Outputs are disabled if BV-2 is off.

• Disable operator access via the display to the schedule

by setting BV-102 to off.

• Onboard schedule can be enabled or disabled (BV-40).

• Heating and cooling are disabled if the fan is off.

• Use up and down arrows on the display to force the unit

into occupancy for four hours.

• Setpoint mode emulates residential thermostat

operation.

• Fan can be set to run continuously or cycle on and off for

heating or cooling demands while in Occupancy mode

(AV-17).

• Fan can be either on/off or analog variable speed

control.

• Analog economizer control is defaulted to disabled.

• Economizer requires a supply air sensor connected to

AI-2.

• The cooling and heating valves can be controlled by

either a cooling and heating signal or via the supply air

temperature (BV-15).

• AI-0 Can be configured for either Space or Outside Temp

sensor.

• Humidity control can be enabled for un-occupancy

(BV-12 & BV-53).

• Use a 10K Type II Thermistor Sensor for AI-0 and AI-2

Inputs.

• To configure AI-0 as a sensor set the following

parameters.

THREE POINT FLOATING COOLING AND HEATING

Inputs

AI-0:: Space Sensor or Outside Air

Sensor (optional)

AI-2::

Supply Air Sensor (optional,

required for economizer control)

BI-1:: PIR/Door/Window Sensor

(optional)

BI-2:: Condensate Alarm (optional)

Outputs

BO-0:: Fan

BO-1:: Cooling Valve Open

BO-2:: Cooling Valve Close

BO-3:: Heating Valve Open

BO-4:: Heating Valve Close

BO-5:: Not used

AO-0:: Economizer (optional analog)

0-10V or 4-20mA

AO-1:: Fan Speed Control (optional)

4-20mA VFD/SCR

Note: Any I/O listed as “optional” will

require a BV to be set. Refer to the

sequence of operations outlined in

the BACnet FF Thermostat System

Engineering Guide, 31-00098.

MS/TP Network

Digital 3 Point Floating

3 Point Floating

Digital

Space or Outside

Temperature Sensor

(optional)

Supply

Temperature Sensor

(required for economizer

control)

Standby Binary Contact

Sensor (optional)

Condensate Sensor

(optional)

BV-47 (PS) BV-32 (Sr)

Space Temperature Off On

Outside Temperature On Off

Fan

C Vlv Op

C Vlv Cl

H Vl Op

H Vlv Cl

Econ

Controller Terminations

4PFC AP 6

GND

BO 0

BO 1

BO 2

BO 3

BO 4

BO 5

0-10Vdc

4-20ma

AO 0

RC24VAC

24V

Com

AO 1

Com

BI/AI 1

COM

BI/AI 2

COM

BI/AI 0 Sensor *

SA Sensor

Optional

Standby

N.C. or N.O.

Optional

Condensate

alarm or fail

VC VFD /SCR

4-20ma

* Optional space or outside temperature sensor.

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