Integration Manual
Trane Communicating Thermostats (BACnet)
Building Automation System
SAFETY WARNING
Only qualified personnel should install and service the equipment. The installation, starting up, and
servicing of heating, ventilating, and air-conditioning equipment can be hazardous and requires specific
knowledge and training. Improperly installed, adjusted or altered equipment by an unqualified person could
result in death or serious injury. When working on the equipment, observe all precautions in the literature
and on the tags, stickers, and labels that are attached to the equipment.
August 2011
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Table of Contents
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Product Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Related Documents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Planning Your Integration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
“How To” Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Summary of BACnet Objects . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Supported BACnet Services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Fan Coil Objects . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Rooftop and Heat Pump Objects . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Standard Object Types Supported . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
List of Proprietary Properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Configuration Objects for Fan Coils . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
BACnet Object Properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Fan Coil Object Properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Objects You Can Use in Site Graphics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Fan Coils . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Rooftop and Heat Pump Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
BACnet MS/TP Link Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
BACnet Wiring Best Practices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
BACnet Wiring Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Product Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Network Adapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Additional Information and Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
MS/TP Network Integration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Site Graphics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Than Tracer SC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
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Objects and Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Tracer SC Network Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Data Normalization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Example: Occupancy Request . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Template: TStat_FanCoil_Trane . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Template: TStat_HeatPump_Trane . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Template: TStat_RTU_Trane . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Trane Communicating Thermostat Points List . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
TStat_Fan_Coil_Trane . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
TStat_HeatPump_Trane Template . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
TStat_RTU_Trane Template . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
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Overview
This document is written to guide you through integration of the Trane Communicating
Thermostats into an MS/TP network using the BACnet protocol and managed by a Tracer SC.
Product Description
The Trane Communicating Thermostats are available for heat pump, rooftop, and fan coil
applications.
•
X13511541010 and -2010 (Heat Pump and Rooftop)
These Trane Communicating Thermostats are BACnet MS/TP devices specifically designed for
single stage and multi-stage control of heating/cooling equipment such as rooftop and self-
contained units. The products feature an intuitive, menu-driven, back-lit LCD display, which
walks users through the programming steps, making the process extremely simple.
•
X13511543010 (Fan Coil)
This Trane Communicating thermostat is specifically designed for fan coil control. The product
features a backlit LCD display with dedicated function menu buttons for simple operation.
Three additional inputs are also provided for monitoring and / or various advanced functions.
All models feature configurable System and Fan button functions to meet a variety of
applications.
Accurate temperature control is achieved due to the product’s PI proportional control algorithm,
which virtually eliminates temperature offset associated with traditional, differential-based
thermostats.
The Communicating Thermostats contain an SPST auxiliary switch that can be used to control
lighting or auxiliary reheat. Three additional inputs are also provided for monitoring and / or
various advanced functions.
The thermostats are also compatible with the occupancy sensor cover accessories. Thermostats
equipped with an occupancy sensor cover provide advanced active occupancy logic, which will
automatically switch occupancy levels from Occupied to Unoccupied as required by local activity
being present or not. This advanced occupancy functionality provides advantageous energy
savings during occupied hours without sacrificing occupant comfort.
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Overview
Related Documents
See the following documents for Communicating Thermostat installation and configuration
information.
•
•
•
Trane Communicating Thermostats for Heat Pump Control User Guide (BAS-SVU10x-EN)
Trane Communicating Thermostats for Rooftop Control User Guide (BAS-SVU11x-EN)
Trane Communicating Thermostats for Fan Coil Control User Guide (BAS-SVU12x-EN)
See the following documents for Tracer SC network integration information.
•
•
•
Tracer™ SC System Controller Installation and Setup (BAS-SVX31x-EN)
Tracer™ BACnet™ Terminator Installation (X39641151-01x)
Unit Controller Wiring Guide For the Tracer SC™ System Controller (BAS-SVN03x-EN
Finally, see the following documents for information about equipment including fan coils, rooftop
units, and heat pumps.
•
Communicating Thermostats for Rooftop and Heat Pump Control Product Data Sheet
(BAS-PRC064-EN)
•
Communicating Thermostats for Fan Coil Control Product Data Sheet
(BAS-PRC065-EN)
All these documents are available from your Trane distributor.
Planning Your Integration
Study the following information presented in the chapters of this guide as you plan the work:
•
Communicating Thermostat BACnet objects (points) and their properties (ranges, values, and
•
•
•
Available Graphical User Interface (GUI) objects that you can use in graphics presented in
“How To” Information
The following “how to” questions are described or clarified either in this manual or in other
documents cited in this table.
Question
Information Location or Answer
See the Tracer™ SC System Controller Installation and
Setup Manual (BAS-SVX31x-EN)
How do I set up alarming in Tracer SC?
HowdoIsettheMACaddressoftheTraneCommunicating See “Default Device Name and Default Device ID,” p. 7.
Thermostat?
Also, see the appropriate User Guide listed in “Related
Documents” on this page.
Tracer SC link?
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Summary of BACnet Objects
The Building Automation and Control Network (BACnet and ANSI/ASHRAE Standard 135-2004)
protocol is a standard that allows building automation systems or components from different
manufacturers to share information and control functions. BACnet provides building owners the
capability to connect various types of building control systems or subsystems together for many
uses. In addition, multiple vendors can use this protocol to share information for monitoring and
supervisory control between systems and devices in a multi-vendor interconnected system.
The BACnet protocol identifies standard objects (data points) called BACnet objects. Each object
has a defined list of properties that provide information about that object. BACnet also defines a
number of standard application services that are used to access data and manipulate these objects
and provides a client/server communication between devices.
Supported BACnet Services
The BACnet communicating thermostat meets all requirements for designation as an Application
Specific Controller (B-ASC). The BACnet thermostat series supports the following BACnet
Interoperability Building Blocks (BIBBs).
Table 1. BACnet Interoperability Building Blocks
Application Service
Designation
Data Sharing – Read Property - B
DS-RP-B
Data Sharing – Read Property Multiple - B
Data Sharing – Write Property - B
DS-RPM-B
DS-WP-B
Device Management - Device Communication Control - B DM-DCC-B
Device Management – Dynamic Device Binding - B
Device Management – Dynamic Object Binding - B
DM-DDB-B
DM-DOB-B
Notes:
•
•
The thermostat does not support seqmented requests or responses.
Models X13511541010 and -2010—Time synchronization can be made through a network even
if the thermostat does not support the full date. Therefore, the device cannot claim
conformance to the DeviceManagement – TimeSynchronization - B (DM-TS-B) service. The
device object does not have the Local_Time or Local_Date properties.
Default Device Name and Default Device ID
The Default Device Name is set to: TStat_EquipType_Trane_MAC where: EquipType is FanCoil,
RTU, or HeatPump and MAC is the current MAC address of the device.
•
•
The Device Name is changed if you change the device MAC address.
The Device Name and Device ID properties are writable in the Device object. Both properties
can be changed from any BACnet network management tool as long as the tool itself can write
to these properties.
(X13511543010) Fan Coil Models
•
Default Device ID is set to: 7300MAC where MAC is the current MAC address of the device that
you set from the Installer Configuration Parameter menu on the Trane Communicating
Thermostat.
•
The Device ID changes if the device’s MAC address is changed. For example, when a fan coil
communicating thermostat with a MAC address of 41 is connected to a network, its default
Device Name will be TStat_FanCoil_Trane_41 and its default Device ID will be 730041.
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Summary of BACnet Objects
(X13511541010 and -2010) Rooftop and Heat Pump Models
•
•
Default Device ID is set to: 7600MAC where MAC is the current MAC address of the device.
The device ID and the Device Name change if you change the device’s MAC address. For
example, when a heat pump communicating thermostat with a MAC address of 63 is connected
to a network, its default Device Name will be TStat_HeatPump_Trane_63 and its default Device
ID will be 760063.
Fan Coil Objects
Table 2. Objects table for fan coils (X13511543010)
Object Name
Type and Instance
Object Property
Present_Value (R,W)
Present_Value (R,W)
Present_Value (R,W)
Present_Value (R)
Room Temperature
Room Temp Override
Outdoor Temperature
Supply Temperature
AUX Command
AV 7
BV 8
AV 9
AI 12
BV 14
MV 15
MV 16
MV 17
MV 18
MV 19
Present_Value (R,W)
Present_Value (R,W)
Present_Value (R,W)
Present_Value (R,W)
Present_Value (R,W)
Present_Value (R,W)
Sequence of Operation
System Mode
Fan Mode
Occupancy Command
Keypad Lockout
Control Output
GRP 20
AV 21
Present_Value (R)
Present_Value (R)
Present_Value (R)
PI Heating Demand
PI Cooling Demand
AV 22
Controller Status
AUX Status
GRP 24
BI 25
Present_Value (R)
Present_Value (R)
Present_Value (R)
Present_Value (R)
Present_Value (R)
Present_Value (R)
Present_Value (R)
Present_Value (R)
Present_Value (R)
Present_Value (R)
Heating Valve Status
Cooling Valve Status
Fan Status
MV 26
MV 27
MV 28
BI 29
BI 1 Status
BI 2 Status
BI 30
UI 3 Status
BI 31
Local Motion
BI 32
Effective Occupancy
MV 33
Controller Alarms
Window Alarm
Filter Alarm
GRP 34
BI 35
Present_Value (R)
Present_Value (R)
Present_Value (R)
Present_Value (R)
BI 36
Service Alarm
BI 37
Temperature Setpoints
Occupied Heat Setpoint
Occupied Cool Setpoint
Stand-by Heat Setpoint
Stand-by Cool Setpoint
GRP 38
AV 39
AV 40
AV 41
AV 42
Present_Value (R)
Present_Value (R,W)
Present_Value (R,W)
Present_Value (R,W)
Present_Value (R,W)
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Summary of BACnet Objects
Table 2. Objects table for fan coils (X13511543010) (continued)
Object Name
Type and Instance
Object Property
Present_Value (R,W)
Present_Value (R,W)
Unoccupied Heat Setpoint
Unoccupied Cool Setpoint
AV 43
AV 44
General Options 1
BI 1 Configuration
BI 2 Configuration
UI 3 configuration
Menu Scroll
GRP 45
MV 46
MV 47
MV 48
BV 49
BV 50
BV 51
MV 52
MV 54
Present_Value (R)
Present_Value (R,W)
Present_Value (R,W)
Present_Value (R,W)
Present_Value (R,W)
Present_Value (R,W)
Present_Value (R,W)
Present_Value (R,W)
Present_Value (R,W)
Auto Mode Enable
Temperature Scale
Pipe Number
AUX Configuration
General Options 2
Password Value
GRP 55
AV 56
MV 58
AV 58
AV 59
BV 60
BV 61
MV 62
AV 63
BV 64
MV 65
BV 66
AV 67
AV 68
Present_Value (R)
Present_Value (R,W)
Present_Value (R,W)
Present_Value (R,W)
Present_Value (R,W)
Present_Value (R,W)
Present_Value (R,W)
Present_Value (R,W)
Present_Value (R,W)
Present_Value (R,W)
Present_Value (R,W)
Present_Value (R,W)
Present_Value (R,W)
Present_Value (R,W)
Fan Mode Sequence
Heating Setpoint Limit
Cooling Setpoint Limit
Setpoint Type
Setpoint Function
Temporary Occupancy Time
Deadband
Reheat Time Base
Proportional Band
Auto Fan
Stand-by Time
Unoccupied Time
Output Configuration Options
Control Type
GRP 74
BV 75
Present_Value (R)
Present_Value (R,W)
Present_Value (R,W)
Present_Value (R,W)
Floating Motor Timing
On Off Control CPH
MV 76
MV 77
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Summary of BACnet Objects
Rooftop and Heat Pump Objects
Table 3. Rooftop and heat pump ungrouped objects
Dehumidifi-
cation
Type and
Instance
Rooftop Heat Pump
-1010 -2010
Object Name
Room Temperature
Room Temp Override
Outdoor Temperature
Outdoor Temp Override
Room Humidity
Occupancy Command
System Mode HP
System Mode RTU
Fan Mode
Object Property
Present_Value (R,W)
Present_Value (R,W)
Present_Value (R,W)
Present_Value (R,W)
Present_Value (R)
Present_Value (R,W)
Present_Value (R,W)
Present_Value (R,W)
Present_Value (R,W)
Present_Value (R)
Present_Value (R)
Present_Value (R,W)
Present_Value (R)
Present_Value (R)
Present_Value (R)
Present_Value (R)
Present_Value (R)
Present_Value (R)
Present_Value (R)
Present_Value (R)
Present_Value (R)
Present_Value (R)
Present_Value (R)
Present_Value (R)
Present_Value (R)
Present_Value (R)
Present_Value (R)
Present_Value (R)
Present_Value (R)
Present_Value (R)
Present_Value (R)
Present_Value (R)
Present_Value (R)
Present_Value (R)
Present_Value (R,W)
Present_Value (R,W)
Present_Value (R,W)
Present_Value (R,W)
Present_Value (R)
Present_Value (R,W)
Present_Value (R,W)
Present_Value (R,W)
-1050
AV 7
√
√
√
√
√
√
√
√
√
√
√
√
√
√
BV 8
AV 9
BV 10
AV 11
MV 12
MV 13
MV 14
MV 15
AI 16
AV 17
MV 18
GR 19
AV 20
AV 21
AV 22
GRP 23
BI 24
BI 25
BI 26
BI 27
BI 28
BI 29
BI 30
BI 31
BI 32
BI 33
MV 34
GRP 35
BI 36
BI 38
BI 39
BI 40
√
√
√
√
√
√
√
√
√
√
Supply Temp
Supply RH
√
√
√
√
√
Keypad Lockout
Control Output
PI Heating Demand
PI Cooling Demand
Economizer Output
Controller Status
AUX
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
G Fan
Y1 Cool
Y2 Cool
W1 Heat
√
√
W2 Heat
Reversing Valve
DI 1 Status
√
√
√
√
√
√
√
√
√
√
DI 2 Status
Local Motion
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
Effective Occupancy
Controller Alarms
Frost Alarm
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
Filter Alarm
Service Alarm
Fan Lock Alarm
Temperature Setpoints GRP 41
Occupied Heat Setpoint
Occupied Cool Setpoint
AV 42
AV 43
Unoccupied Heat Setpoint AV 44
Unoccupied Cool Setpoint AV 45
General Options 1-
Temperature Scale
GRP 46
BV 47
AV 48
AV 49
Heating Setpoint Limit
Cooling Setpoint Limit
Heating Lockout
Temperature
AV 50
AV 51
Present_Value (R,W)
Present_Value (R,W)
√
√
√
√
√
√
Cooling Lockout
Temperature
Deadband
AV 52
MV 53
Present_Value (R,W)
Present_Value (R,W)
√
√
√
√
√
√
Heating CPH
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Summary of BACnet Objects
Table 3. Rooftop and heat pump ungrouped objects
Dehumidifi-
Type and
Instance
MV 54
Rooftop Heat Pump
-1010 -2010
cation
-1050
Object Name
Cooling CPH
Object Property
Present_Value (R,W)
Present_Value (R,W)
Present_Value (R,W)
Present_Value (R,W)
Present_Value (R)
Present_Value (R,W)
Present_Value (R,W)
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
Frost Protection
Aux Contact
BV 55
BV 56
BV 57
GRP 58
AV 59
AV 60
Menu Scroll
General Options 2-
Password Value
Power-up Delay
Temporary Occupancy
Time
MV 61
Present_Value (R,W)
√
√
√
Fan Control
BV 62
MV 63
BV 64
MV 65
MV 66
MV 67
AV 68
Present_Value (R,W)
Present_Value (R,W)
Present_Value (R,W)
Present_Value (R,W)
Present_Value (R,W)
Present_Value (R,W)
Present_Value (R,W)
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
Anticycle
Fan Purge Delay
DI 1 Configuration
DI 2 Configuration
Proportional Band
Unoccupied Time
√
√
Stages Configuration
Options
GRP 72
Present_Value (R)
√
Heating Stages
Cooling Stages
Heatpump Stages
MV 73
MV 74
MV 75
Present_Value (R,W)
Present_Value (R,W)
Present_Value (R,W)
√
√
√
√
√
Economizer Model
GRP 76
AV 77
Present_Value (R)
Present_Value (R,W)
Present_Value (R,W)
√
√
√
Configuration Options
Economizer Changeover
Setpoint
Economizer Minimum
Position
AV 78
Mechanical Cooling
Enabled
BV 79
Present_Value (R,W)
Present_Value (R,W)
Present_Value (R)
√
√
Mixed Air Setpoint
AV 80
Heatpump Model
Configuration Options
GRP 81
√
√
√
√
√
High Balance Point
Low Balance Point
Comfort Mode
AV 82
AV 83
BV 84
Present_Value (R,W)
Present_Value (R,W)
Present_Value (R,W)
√
√
√
Reversing Valve
Configuration
BV 85
BV 86
GRP 87
BV 88
AV 89
Present_Value (R,W)
Present_Value (R,W)
Present_Value (R)
Present_Value (R,W)
Present_Value (R,W)
√
√
Compressor Interlock
Dehumidification Model
Configuration Options
√
√
√
RH Display
Dehumidification RH
Setpoint
Dehumidification
Hysterisys
AV 90
AV 91
BV 92
BI 93
Present_Value (R,W)
Present_Value (R,W)
Present_Value (R,W)
Present_Value (R)
√
√
√
√
Dehumidification Low OA
Lockout
Dehumidification Lockout
Functions
Dehumidification Output
Status
Humidification Model
Configuration Options
GRP 94
Present_Value (R)
√
√
Humidification RH Setpoint AV 95
Present_Value (R,W)
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Summary of BACnet Objects
Table 3. Rooftop and heat pump ungrouped objects
Dehumidifi-
Rooftop Heat Pump cation
Type and
Instance
Object Name
Object Property
-1010
-2010
-1050
Eff (Effective) Reset
Humidification RH Spt
(Setpoint)
AV 96
Present_Value (R)
√
Humidification High Limit
Spt (Setpoint)
AV 97
AV 98
AV 99
Present_Value (R,W)
Present_Value (R,W)
Present_Value (R,W)
√
√
√
Low RH Setpoint
Low Temp Reset RH
Setpoint
High Temp Reset RH
Setpoint
AV 100
AV 101
Present_Value (R,W)
Present_Value (R)
√
√
Humidifier Output
Standard Object Types Supported
Table 4. Standard object types supported
Optional
Supported Dynamically Dynamically
Objects Creatable Deletable
Properties
Supported WritableProperties
Object Type
Analog Input
Reliability
Out_of_Service
Analog Value
Binary Input
Binary Value
Device
Reliability
Present_Value (a,b,e)
Out_of_Service (a,e)
Object_Name (c ,f)
Reliability
Active_Text
Inactive_Text
Out_of_Service
Reliability
Active_Text
Inactive_Text
Present_Value
Out_of_Service
Max_Master
Max_Info_frames Object_name
Max_Master
Object_Identifier
Group
N/A
N/A
Multi-state Value
Reliability
States_Text
Present_Value (d)
Out_of_Service (d)
Schedule
(Rooftop and heat
pump only)
Weekly_schedule Present_Value
Weekly_Schedule
Footnotes for fan coils:
a : Present_Value and Out_of_Service properties are writable for every AV objects except PI Heating Demand (AV21) and
PI Cooling Demand (AV22).
b : Present_Value property for Room Temperature (AV7) and Room Humidity (AV10) is writable only if Room Temp Override
(BV8) is enabled and Room Humidity Override (BV11) is enabled respectively.
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Summary of BACnet Objects
c : Object_Name property is writable only for Room Temperature (AV7).
d:Present_ValueandOut_of_ServicepropertiesarewritableforeveryMVobjectsexceptHeatingValveStatus(MV26), Cooling
Valve Status (MV27), Fan Status (MV28), and Effective Occupancy (MV33)
Footnotes for rooftop units and heat pumps
e: The following AV’s are defined as read only. When Out_of_Service properties is set to true, the Present_Value, if written,
is not derived to the application level of the thermostat.
- Room Humidity (AV11)
- PI Heating Demand (AV20)
- PI Cooling Demand (AV21)
- Economizer Output (AV22)
- Eff Reset Humidification RH Spt (AV96)
- Humidifier Output (AV101)
f: Object_Name property is writable for 1 object only: Room_Temperature (AV7).
List of Proprietary Properties
Table 5. Proprietary Properties
Property Name
ID
BACnet Data Type
Description
Major_Version
1000
CharacterString
The version number of the BACnet communications
module. This the hardware version number
MS/TP_Address
MS/TP_Baud_Rate
Sensor_Offset
1001
1002
1005
Unsigned
Unsigned
REAL
Display the MAC layer address of the module
Display the communication baud rate of the module
Display the temperature or humidity calibration value. The
range is –5.0 deg F to 5.0 deg F for a temperature and –
15% to 15% for humidity.
Configuration Objects for Fan Coils
configuration purposes:
•
•
•
General Options 1 Group GRP 45 and its complete list of objects
General Options 2 Group GRP 55 and its complete list of objects
Output Configuration Options Group GRP 74 and its complete list of objects
Configuration Objects for Rooftop and Heat Pump Units
configuration purposes:
•
•
•
•
•
•
•
•
General Options 1 Group GRP 46 and its complete list of objects
General Options 2 Group GRP 58 and its complete list of objects
Programmable Model Configuration Options Group GRP 69 and its complete list of objects
Stages Configuration Options Group GRP 72 and its complete list of objects;
Economizer Model Configuration Option Group GRP 76 and its complete list of objects;
Heatpump Model Configuration Option Group GRP 81 and its complete list of objects;
Dehumidification Model Configuration Option Group GRP 87 and its complete list of objects;
Humidification Model Configuration Option Group GRP 94 and its complete list of objects;
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BACnet Object Properties
This section lists ranges, enumerations, and values for the set of Communicating Thermostat
objects.
Fan Coil Object Properties
Table 6. List of property value range restrictions
Object Type and Minimum Range Maximum Range
Object Name
Room Temperature
Outdoor Temperature
Room Humidity
Instance
Value
-39.9°F (-40°C)
-39°F (-40°C)
5%
Value
121.9°F (50°C)
121.9°F (50°C)
90%
Default Value
AV 7
N/A
N/A
N/A
N/A
0%
0%
AV 9
AV 10
AI 12
Supply Temperature
PI Heating demand
PI Cooling demand
-39.9°F (-40°C)
0%
121.9°F (50°C)
100%
AV 21
AV 22
0%
100%
Occupied Heat
Setpoint
AV 39
AV 40
AV 41
AV 42
AV 43
AV 44
40°F (4.5°C)
54°F (12°C)
40°F (4.5°C)
54°F (12°C)
40°F (4.5°C)
54°F (12°C)
90°F (32°C)
100°F (37.5°C)
90°F (32°C)
72°F (22°C)
74°F (24°C)
72°F (22°C)
74°F (24°C)
62°F (16.5°C)
80°F (26.5°C)
Occupied Cool
Setpoint
Stand-by Heat
Setpoint
Stand-by Cool
Setpoint
100°F (37.5°C)
90°F (32°C)
Unoccupied Heat
Setpoint
Unoccupied Cool
Setpoint
100°F (37.5°C)
Password Value
Heating Setpoint Limit
Cooling Setpoint Limit
Deadband
AV 56
AV 58
AV 59
AV 63
AV 67
AV 68
AV 45
0
1000
90°F (32°C)
100°F (37.5°C)
5°F (2.5°C)
24.0 Hours
24.0 Hours
100%
0
40°F (4.5°C)
54°F (12°C)
2°F (1°C)
0.5 Hours
0.0 Hours
30%
90°F (32°C)
54°F (12°C)
2°F (1°C)
0.5 Hours
0.0 Hours
50%
Stand-by Time
Unoccupied Time
RH Setpoint
Dehumidification
Hysterisys
AV 46
AV 47
2%
20%
5%
Dehumidification MAX
cooling
20%
100%
100%
Table 7. List of property enumeration sets for BV objects and BI objects
Object Type and
Object Name
instance
Inactive_Text
Active_Text
Default value
Room Temp Override
BV 8
Normal
Override
Normal
Room Humidity
Override
BV 11
Normal
Override
Normal
Dehumidification
Lockout
BV 13
BV 14
BI 23
Disabled
Off
Enabled
On
Enabled
Off
AUX Command
Dehumidification
Status
Off
On
Off
Aux Status
BI 1 Status
BI 25
BI 29
BI 30
BI 31
BI 32
BI 35
Off
On
Off
Deactivated
Deactivated
Deactivated
No Motion
Off
Activated
Activated
Activated
Motion
On
Deactivated
Deactivated
Deactivated
No Motion
Off
BI 2 Status
UI 3 Status(*)
Local Motion
Window Alarm
14
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BACnet Object Properties
Table 7. List of property enumeration sets for BV objects and BI objects (continued)
Object Type and
instance
Object Name
Filter Alarm
Inactive_Text
Off
Active_Text
On
Default value
Off
BI 36
BI 37
BV 49
BV 50
BV 51
BV 60
BV 61
BV 64
Service Alarm
Off
On
Off
Menu Scroll
No Scroll
Disabled
°C
Scroll Active
Enabled
Scroll Active
Enabled
Auto Mode Enable
Temperature Scale
Setpoint Type
°F
°F
Permanent
Dual Setpoints
15 minutes
Temporary
Attached Setpoints
10 seconds
Permanent
Dual Setpoints
15 minutes
Setpoint Function
Reheat Time Base
Auto Speed / Auto
Demand
Auto Fan
BV 66
Auto Speed
Auto Speed
RH Display
Control Type
BV 70
BV 75
BV 78
Disabled
On/Off
Enabled
Floating
Disabled
On/Off
Direct/ Reverse Acting
Direct Acting
Reverse Acting
Direst Acting
* This object will be linked to the value of the ‘UI 3 Configuration’ object. When the ‘UI 3 Configuration’ object value is 0, 3
or 4, the value will be set to ‘Deactivated.’
Table 8. List of property enumeration sets for MV objects
Object Name
Object ID
BACnet Index
Text
Cooling Only
Heating Only
Cooling & Reheat
Heating & Reheat
Cool/Heat4P
Cool/Heat4P&Reht
Off
Default value
1
2
3
4
5
6
1
2
3
4
MV 15
Sequence of
Operation
Heating Only
MV 16
Auto
System Mode
Table Note 1
Table Note 2
Table Note 5
Cool
Heat
Fan Mode
Table Note 3
MV 17
MV 18
1, 2, 3 or 4
Table Note 4
1
2
3
1
2
3
4
5
6
Local Occupancy
Occupied
Unoccupied
Level 0
Depends on network
command
Occupancy Command
Level 1
Level 2
Keypad Lockout
MV 19
Level 0
Level 3
Level 4
Level 5
Table Notes:
1
EnumerationsetsforMV16dependsonSequenceofOperation(MV15)valueupondevicediscovery. Ifrequiredenumeration
is not present, set MV15 to desired value and rediscover MV16 object. Available enumeration will now reflect required
configuration.
2
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BACnet Object Properties
Table 9. MV15 (Sequence of Operation) values for Note 2
Default Value is
BV50 Enabled
Default Value is
BV50 Disabled
MV15 Index
Function
1
2
3
4
5
6
Cooling Only
Cool
Auto
Heat
Heat
Auto
Auto
Cool
Heat
Heat
Heat
Heat
Heat
Cooling with Reheat
Heating Only
Heating with Reheat
Cooling/Heating 4 Pipes
Cooling/Heating 4 Pipes with Reheat
Table Notes: (continued)
3
Enumeration sets for MV17 depends on Fan Mode Sequence (MV58) value upon device discovery. If required enumeration
is not present, set MV58 to desired value and rediscover MV17 object. Available enumeration will now reflect required
configuration.
4, 5 Available state text and default value depends on Fan Mode Sequence (MV58) value upon device discovery.
Function MV58
MV17 Index
State Text Index
Default Value
1
2
1 Low - 2 Med - 3 High High
1 Low - 2 High
High
High
1 Low - 2 Med - 3 High
- 4 Auto
3
4
5
1 Low - 2 High - 3 Auto High
1 Auto -2 On
Auto
Table 10. Additional MV values
Object Name
Object ID
BACnet Index
Text
Default value
Heating Valve Status
Table Note 6
Table
Note 7
Table
Note 7
Table
Note 7
MV 26
Cooling Valve Status
Table Note 8
Table
Note 9
Table
Note 9
Table
Note 9
MV 27
1
2
3
4
1
2
3
4
Off
Low
Med
High
Fan Status
MV 28
Off
Occupied
Unoccupied
Temporary Occupied
Stand-by
Depends on local
occupancy
Effective Occupancy
MV 33
Table Notes:
6
Enumeration sets for MV26 depends on Control Type (BV75) value and Pipe Number (MV52) value upon device discovery.
If required enumeration is not present, set BV75 and MV52 to desired value and rediscover MV26 object. Available enu-
meration will now reflect required configuration.
Available object name, state text and default value depends on Control Type (BV75) value and Pipe Number (MV52) upon
7
Table 11. Various object indexes and values for Note 7
MV26 Object
Name
Function MV26 State Text
Index
BV75 Value
MV52 Index
Default Value
On/Off
1 (2 pipe)
Unused Output
N/A
N/A
Heating Valve
Status
2 (4 pipe)
1 (2 pipe)
2 (4 pipe)
1 Closed – 2 Open
N/A
Closed
N/A
Floating
Unused Output
Heating Valve
Status
1 Stopped - 2 Opening - 3
Closing
Stopped
8
Enumeration sets for MV27 depends on Control Type (BV75) value and Pipe Number (MV52) value upon device discovery.
If required enumeration is not present, set BV75 and MV52 to desired value and rediscover MV27 object. Available enu-
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BACnet Object Properties
meration will now reflect required configuration.
Available object name, state text and default value depends on Control Type (BV75) value and Pipe Number (MV52) upon
9
Table 12. Various object indexes and values for Note 9
Function MV26
MV52 Index MV27ObjectName State Text Index
Default Value
Closed
1 (2 pipe)
2 (4 pipe)
Heat/Cool Valve Status 1 Closed – 2 Open
On/Off
Cooling Valve Status
1 Closed – 2 Open
Closed
1 Stopped - 2 Opening -
3 Closing
1 (2 pipe)
2 (4 pipe)
Heat/Cool Valve Status
Stopped
Stopped
Floating
1 Stopped - 2 Opening -
3 Closing
Cooling Valve Status
Table 13. Additional MV Values
Object Name
Object ID
BACnet Index
Text
None
Default Value
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
1
2
1
2
3
4
5
6
1
2
3
4
5
Rem NSB
Motion NO
Motion NC
Window
BI1 Configuration
MV 46
None
None
Door Dry
Override
Filter
BI2 Configuration
UI3 Configuration
MV 47
MV 48
None
None
Service
None
COC/NH
COC/NC
COS
SS
2 Pipe
Pipe Number
Out#1 Cfg
MV 52
MV 53
4 Pipes
4
4 Pipe
2
4
Not used
NO with Occ
NC with Occ
NO with Occ & Fan
NC with Occ & Fan
Network controlled
Low-Med-High
Low-High
Low-Med-High-Auto
Low-High-Auto
On-Auto
AUX Configuration
Fan Mode Sequence
MV 54
MV 58
Not Used
On-Auto
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BACnet Object Properties
Table 13. Additional MV Values (continued)
Object Name
Object ID
BACnet Index
Text
Default Value
1
2
3
4
5
6
7
8
9
0 hour
1 hour
2 hours
3 hours
4 hours
5 hours
6 hours
7 hours
8 hours
9 hours
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
1
10 hours
11 hours
TemporaryOccupancy
Time
MV 62
12 hours
2 hours
13 hours
14 hours
15 hours
16 hours
17 hours
18 hours
19 hours
20 hours
21 hours
22 hours
23 hours
24 hours
3 3 F 1.2 C
4 4 F 1.7 C
5 5 F 2.2 C
6 6 F 2.8 C
7 7 F 3.3 C
8 8 F 3.9 C
9 9 F 5.0 C
10 10 F 5.6 C
0.5 minute
1 minute
2
3
4
Proportional Band
MV 65
3
5
6
7
8
1
2
3
1.5 minutes
2 minutes
2.5 minutes
3 minutes
3.5 minutes
4 minutes
4.5 minutes
5 minutes
5.5 minutes
6 minutes
6.5 minutes
7 minutes
7.5 minutes
8 minutes
8.5 minutes
9 minutes
4
5
6
7
8
Floating Motor
Timing
9
MV 76
1.5 minutes
10
11
12
13
14
15
16
17
18
18
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BACnet Object Properties
Table 13. Additional MV Values (continued)
Object Name
Object ID
BACnet Index
Text
Default Value
1
2
3
4
5
6
3 CPH
4 CPH
5 CPH
6 CPH
7 CPH
8 CPH
On-Off Control
CPH
MV 77
4 CPH
Rooftop and Heat Pump Object Properties
Table 14. List of property value range restrictions for AI and AV objects
Object Type
and Instance
AV 7
Under Range
Value
-40°F (-40°C)
-40°F (-40°C)
0%
Object Name
Room Temperature
Outdoor Temperature
Room Humidity
Over Range Value Default Value
122°F (50°C)
122°F (50°C)
100%
N/A
AV 9
N/A
AV 11
AI 16
AV 17
AV 20
AV 21
AV 22
AV 42
AV 43
AV 44
AV 45
AV 48
AV 49
N/A
Supply Temp
-40°F (-40°C)
0%
122°F (50°C)
100%
N/A
Supply RH
N/A
PI Heating Demand
PI Cooling Demand
Economizer Output
Occupied Heat Setpoint
Occupied Cool Setpoint
Unoccupied Heat Setpoint
Unoccupied Cool Setpoint
Heating Setpoint Limit
Cooling Setpoint Limit
0%
100%
N/A
0%
100%
N/A
0%
100%
N/A
40°F (4.5°C)
54°F (12°C)
40°F (4.5°C)
54°F (12°C)
40°F (4.5°C)
54°F (12°C)
90°F (32°C)
100°F (37.5°C)
90°F (32°C)
100°F (37.5)
90°F (32°C)
100°F (37.5)
72°F (22°C)
75°F (24°C)
62°F (16.5°C)
80°F (26.5°C)
90°F (32°C)
54°F (12°C)
Heating Lockout
Temperature
AV 50
-15°F (-26°C)
120°F (49°C)
120°F (49°C)
CoolingLockoutTemperature AV 51
-40°F (-40°C)
2°F (1°C)
0
95°F (35°C)
4°F (2°C)
1000
-40°F (-40°C)
2°F (1°C)
0
Deadband
AV 52
AV 59
AV 60
AV 68
Password Value
Power-up Delay
Unoccupied Time
10 sec
120 sec
10 sec
0.5 hrs
24.0. hrs
0.5 hrs
Economizer Changeover
Setpoint
AV 77
AV 78
14°F (-10°C)
0%
70°F (21°C)
100%
55°F (13°C)
0%
Economizer Minimum
Position
Mixed Air Setpoint
High Balance Point
Low Balance Point
AV 80
AV 82
AV 83
50°F (10°C)
34°F (1°C)
90°F (32°C)
90°F (32°C)
30°F (-1°C)
55°F (13°C)
90°F (32°C)
-12°F (-24°C)
-40°F (-40°C)
Dehumidification RH
Setpoint
AV 89
15%
95%
70%
Dehumidification Hysterisys AV 90
2%
20%
5%
Dehumidification Low OA
AV 91
-40°F (-40°C)
10%
122°F (50°C)
90%
32°F (0°C)
50%
Lockout
Humidification RH Setpoint AV 95
Eff (Effective) Reset
Humidification RH Spt
(Setpoint)
AV 96
0%
100%
N/A
HumidificationHighLimitSpt
(Setpoint)
AV 97
AV 98
50%
90%
85%
Low RH Setpoint
10%
90%
20%
Low Temp Reset RH Setpoint AV 99
HighTempResetRHSetpoint AV 100
-40°F (-40°C)
20°F (-6.5°C)
15°F (-9.5°C)
55°F (13°C)
-20°F (-29°C)
32°F (0.0°C)
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BACnet Object Properties
Table 14. List of property value range restrictions for AI and AV objects (continued)
Object Type
and Instance
Under Range
Value
Object Name
Over Range Value Default Value
Humidifier Output
AV 101
0%
100%
N/A
Table 15. List of property enumeration sets for BI and BV objects
Object Type
Object Name
Room Temp Override
Outdoor Temp Override
AUX
and Instance
BV 8
Inactive_Text
Normal
Active_Text
Override
Default Value
Normal
BV 10
BI 24
BI 25
BI 26
BI 27
BI 28
BI 29
BI 30
BI 31
BI 32
BI 33
BI 36
BI 37
BI 38
BI 39
BI 40
BV 47
BV 55
BV 56
BV 57
BV 62
BV 64
BV 70
Normal
Override
On
Normal
Off
Off
G Fan
Off
On
Off
Y1 Cool
Off
On
Off
Y2 Cool
Off
On
Off
W1 Heat
Off
On
Off
W2 Heat
Off
On
Off
Reversing Valve
DI 1 Status
Off
On
Off
Not Activated
Activated
Activated
Motion
On
Not Activated
DI 2 Status
Not Activated
Not Activated
Local Motion
Frost Alarm
Clock Alarm
No Motion
Off
No Motion
Off
Off
On
Off
Filter Alarm
Off
On
Off
Service Alarm
Fan Lock Alarm
Temperature Scale
Frost Protection
Aux Contact
Off
On
Off
Off
On
Off
°C
°F
°F
Off
On
Off
N.O.
No Scroll
Off
N.C.
Scroll Active
On
N.O.
Menu Scroll
Scroll Active
On
Fan Control
Fan Purge Delay
Progressive Recovery
Off
On
Off
Off
Active
On
Off
Mechanical Cooling Enabled BV 79
Off
Off
Comfort Mode
BV 84
Comfort
Economy
Comfort
Normally Heat
Energized in
Cooling
Normally Heat
Energized in
Cooling
Reversing Valve
Configuration
Normally Cool
Energized in Heating
BV 85
Compressor Interlock
RH Display
BV 86
BV 88
Off
On
Off
Disabled
Enabled
Disabled
Dehumidification Lockout
Functions
BV 92
BI 93
Disabled
Off
Enabled
On
Enabled
N/A
Dehumidification Output
Status
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BACnet Object Properties
Table 16. List of property enumeration sets for MV objects
Object Type and
Object Name
instance
BACnet Index
Text
Local Occupancy
Occupied
Unoccupied
Off
Default Value
1
2
3
1
2
3
4
5
1
2
3
4
1
2
3
1
2
3
1
Occupancy Command
MV12
Local Occupancy
Auto
System Mode HPU
System Mode RTU
MV13
MV14
Cool
Auto
Auto
Heat
Emergency
Off
Auto
Cool
Heat
On
Fan Mode
MV15
MV18
MV 34
Auto
Smart
Smart
Level 0
Level 1
Level 2
Occupied
Unoccupied
TemporaryOccupied
3 CPH
Keypad Lockout
Effective Occupancy
Level 0
Depends on local
occupancy
2 3
3
1
2
4 CPH
3
5 CPH
Heating CPH
Cooling CPH
MV53
MV54
4 CPH
4 CPH
4
6 CPH
5
7 CPH
6
8 CPH
1
3 CPH
2
4 CPH
1
0 hour
2
1 hour
3
2 hours
3 hours
4 hours
5 hours
6 hours
7 hours
8 hours
9 hours
10 hours
11 hours
12 hours
0 minute
1 minute
2 minutes
3 minutes
4 minutes
5 minutes
4
5
6
Temporary Occupancy Time
MV61
7
3 hours
8
9
10
11
12
13
1
2
3
Anticycle
MV63
2 minutes
4
5
6
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BACnet Object Properties
Table 16. List of property enumeration sets for MV objects (continued)
Object Type and
instance
Object Name
BACnet Index
Text
Default Value
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
5
6
7
1
2
1
2
1
2
1
2
None
RemNSB
RemOVR
Filter
DI1 Configuration
MV65
MV66
None
Service
Fan lock
None
RemNSB
RemOVR
Filter
DI2 Configuration
Proportional Band
None
Service
Fan lock
2
3
4
5
6
7
8
2 F 0.6 C
3 F 1.2 C
4 F 1.7 C
5 F 2.2 C
6 F 2.8 C
7 F 3.3 C
8 F 3.9 C
MV 67
2
2 Events
4 Events
1 Stage
2 Stages
1 Stage
2 Stages
1 Stage
2 Stages
Event Display
MV71
MV73
MV74
MV75
2 Event
Heating Stages
Cooling Stages
Heat Pump Stages
2 Stages
2 Stages
2 Stages
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Objects You Can Use in Site Graphics
Fan Coils
You can use the following objects in site graphics:
Room Temperature (AV7)
Heating Valve Status (MV26)
OccupiedandUnoccupiedHeatSetpoints(AV39andAV43) Cooling Valve Status (MV28)
Occupied and Unoccupied Cool Setpoints (AV40 and AV34) PI Heating Demand (AV21)
Outdoor Temperature (AV9)
PI Cooling Demand (AV22)
Window Alarm (BI35)
Filter Alarm (BI36)
Supply Temperature (AI12) (If available)
Occupancy Command (MV18)
System Mode (MV16)
Service Alarm (BI37)
Fan Mode (MV17)
Room Humidity (AV10) (If available)
Room Humidity Setpoint (AV71) (If available)
Fan Status (MV28)
Figure 1. Sample Fan Coil Graphic
Room Temperature 71.2 ºF
Occupied Heating Setpoint 71.0 ºF
Occupied Cooling Setpoint 73.0 ºF
Unoccupied Heating Setpoint 62.0 ºF
Unoccupied Cooling Setpoint 82.0 ºF
Room Humidity 49.7 ºF
Supply
Temperature
65.2ºF
Room Humidity Setpoint 50.0 %
Cooling Valve Status
Closed
Heating Valve Status
Open
Filter Alarm
Normal
Fan Status
On
Occupancy Occupied
System Mode Heat
Fan Mode High
Outdoor Temperature 42 ºF
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Objects You Can Use in Site Graphics
Rooftop and Heat Pump Units
You can use the following objects in site graphics:
Room Temperature (AV7)
W1 Heat (BI28)
Occupied and Unoccupied Heat Setpoints (AV 42 and
AV44)
W2 Heat (BI29) or Reversing Valve (BI30)
Occupied and Unoccupied Cool Setpoints (AV 43 and
AV45)
Economizer Output (AV22) (if available)
Outdoor Temperature (AV9)
Aux (BI24)
Supply Temperature (AI16) (If available)
Occupancy Command (MV12)
Effective Occupancy (MV34)
DI 1 Status (BI31)
DI 2 Status (BI 32)
Frost Alarm (BI36) (if available)
System Mode RTU (MV14) or System Mode HPU (MV13) Filter Alarm (BI38) (if available)
G Fan (BI25)
Y1 Cool (BI26)
Y2 Cool (BI27)
Service Alarm (BI39) (if available)
Fan Lock Alarm (BI40) (if available)
Filter Alarm (BI 38)
Economizer (AV22)
10%
Outdoor
Temperature (AV9)
Off
52.4 ºF
Supply Temperature (AI16)
65.2 ºF
68.2 ºF
Room Temperature (AV7)
G Fan (BI25)
On
69.0 ºF
72.0 ºF
62.0 ºF
82.0 ºF
Occupied Heat Setpoint (AV 42)
Occupied Cool Setpoint (AV 43)
Unoccupied Heat Setpoint (AV 44)
Unoccupied Cool Setpoint (AV 45)
Y1 Cool (BI26)
Y2 Cool (BI27)
W1 Heat (BI28)
Off
Off
On
W2 Heat (BI29)
Off
Occupancy (MV12)
System Mode RTU (MV14)
Aux (BI24)
DI 1 Status (BI31)
DI 2 Status (BI 32)
Frost Alarm (BI36)
Service Alarm (BI39)
Occupied
Heat
On
Off
Off
Off
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Wiring Requirements for Communicating Thermostats
BACnet networks use a daisy chain configuration. A daisy chain means that there is only one main
cable and every network device is connected directly along its path.
Figure 2 illustrates two improper network configurations and the proper daisy chain configuration.
Figure 2. Incorrect and correct network configurations
BACnet MS/TP Link Wiring
BACnet MS/TP link wiring must be field-supplied and installed in compliance with the National
Electric Code (NEC) and local codes.
BACnet Configuration Requirements
•
•
•
Follow these configuration requirements:
BACnet wiring must use daisy-chain configuration. Maximum length is 4,000 ft (1219 m).
BACnet links are polarity sensitive; consistent wiring polarity must be maintained between
devices.
•
Limit each link to 30 controllers or 60 total controllers per Tracer SC.
BACnet Wiring Best Practices
The following wiring practices are recommended:
•
•
•
•
Use 18 AWG, (24 pF/ft. max.), shielded, twisted pair communication wire (Trane purple wire).
Strip no more than 2 in. (5 cm) of the outer conductor of shielded wire.
Avoid sharing 24 Vac power between unit controllers.
Ensure that 24 Vac power supplies are consistently grounded. If grounds are not maintained,
intermittent or failed communication could result.
•
•
Connect the shield portion of the communication wire at the first unit controller in the link.
Use a Tracer BACnet terminator at each end of the link.
For additional best practices, see the Unit Controller Wiring Guide For the Tracer SC™ System
Controller (BAS-SVN03x-EN).
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Wiring Requirements for Communicating Thermostats
BACnet Wiring Procedure
1. Attach the communication link wiring to the Tracer SC at Link 1 or Link 2.
Note: It is not necessary to place the Tracer SC at the end of the of the communication link.
2. Attach the wiring from the first unit controller to the first set of communication terminals on the
next unit controller.
Note: Some unit controllers have only one set of communication terminals. In that case, attach
the wiring to the same set of terminals.
3. Wire and tape shields together at each unit controller between the Tracer SC and the BACnet
terminator.
4. Repeat steps 1 through 3 for each unit controller on the link.
Note: For more information about the specific unit controller you are wiring, see the
Installation Guide for the specific controller.
Figure 3. Daisy chain configuration for BACnet wiring
Trane BACnet Termination for BACnet Links
For correct termination placement, follow these guidelines:
•
•
All BACnet links must be properly terminated. Use a Tracer BACnet terminator at each end of
the link.
Connect the communication wire shield to the ground terminal of the link termination block at
the Tracer SC as shown in Figure 2. The Tracer SC provides the ground for the BACnet/MSTP
link.
•
•
Tape back the shield at each of the BACnet terminators.
During installation, compile a set of as-built drawings or a map of the communication wire
layout. Sketches of the communication layout should feature the BACnet terminators.
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Figure 4. Terminating BACnet links using BACnet terminators
Product Specifications
Specifications for Communicating Thermostats are as follows.
Table 17. Communicating Thermostat Specifications
Item
Details
Media
Twisted pair 22AWG-24 AWG, shielded recommended
100-130 ohms
Characteristic Impedance
Distributed capacitance
Maximum length per segment
Polarity
Less than 100 pF per meter (30 pF per foot)
1200 meters (4000 feet) Note: AWG 18 cable
Polarity sensitive
Multi-drop
Daisy-chain (no T connections)
Terminations
Always use Trane BACnet terminators at each end of the link.
Maximumnumberofnodespersegment 30
Baud rate
9600, 19200, 38400, 76800 (Auto detect)
Network Adapter
The polarity of the connection to the cable is important. From one module to the other it is
important that the same colored wire be connected to “plus” or “+” and the other colored wire be
connected to the “minus” or ”-“.
Important: The Ref terminal should NEVER be used to wire shields. The 2 shields from each feed
of the network connection to a thermostat should be wired together in the back of
the thermostat and properly protected to prevent any accidental connection to the
ground.
The joined shield connection should then be grounded at a SINGLE point on the
whole segment. More than one ground connection to a shielded wire may induce
ground loop noises and affect communication.
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Wiring Requirements for Communicating Thermostats
Communicating Thermostat Status LEDs
Table 18 shows the different possibilities with the Status LED behaviour for a BACnet module.
Table 18. Status LED conditions with causes and possible solutions (fan coil)
Condition of the Status LED
Possible Cause
Solution
BACnet communication NOT
active at default MAC address = value from 0 to 127
254
Change MAC address to another
1 short blink
2 short blinks (no wires connected Normal operation until BACnet link N/A
to the module) is connected.
2 short blinks (wires connected to Thermostat is not at the same
the module) baud rate as the network
Power off and on the thermostat
2 short blinks and a longer blink The thermostat has detected the N/A
(wires connected to the module) presence of a network
Rightafterpowerisapplied:2long Polarity has been reversed at the Reverse polarity at the thermostat
blinks and then no blinking
thermostat.
Troubleshooting
Table 19. Causes and solutions for error condition
Error / Trouble Condition
Possible Cause
Solution
Two or more controllers have the Modify each duplicate address to a
same MAC address.
unique number.
Do not exceed the maximum number
of devices and maximum length
allowedbytheEIA-485specifications.
The MS/TP network has too many
devices.
Too many devices were installed
without any repeaters.
Repeaters need to be installed as
specified in this document.
Thermostat does not come online
The MS/TP cable runs are broken Locate the break and correct wiring
MS/TP connections at the module Respect polarity of the wires on a MS/
are reversed
TP network.
The thermostat does not have
power
Apply power to the thermostat
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Additional Information and Considerations
This chapter explains some special tips and considerations that apply to the Trane Communicating
Thermostats. These tips and considerations are grouped in the following categories:
•
•
•
MS/TP network integration
Objects and parameters
Tracer SC network configuration
MS/TP Network Integration
Before doing any BACnet integration, make sure to have Trane PICS (Protocol Implementation
Conformance Statement). This PICS document lists all the BACnet Services and Object types
supported by a device and can be found on the Trane portal.
The Trane Communicating Thermostats do not support the Change of Value (COV) service. COV
reporting allows an object to send out notices when its Present-Value property is incremented by
a pre-defined value. Since this is not supported at the thermostat, you should pay special attention
to the polling time settings at the Supervisory Controller and Workstation level when using a
graphical interface or an application program to read or write to the BACnet objects.
Site Graphics
For example, some site graphics might poll every data item linked to the graphic page on a COV
basis. If the third party device does not support COV, the graphic interface then relies on a pre-
configured polling interval, which is usually in hundredths of milliseconds. Any device containing
a monitored object could be subject to network traffic congestion if such a polling interval is used.
Trane strongly recommends a polling interval of 5 seconds or more for any graphic interface. This
becomes even more critical in area graphics where a single representation might poll many
devices. If proper poll rate is not respected, devices may be reported offline by certain front ends
by saturating the traffic handling capacity of BACnet MS/TP without COV subscription.
Free Programmed Objects or Loops (Supervisory Controllers Other Than Tracer SC)
As for the application program, you might want to read and write any MS/TP data on an “If Once”
basis or a “Do Every” loop basis instead of reading or writing to a third party device’s object directly
in the program. Otherwise, any read or write request will occur at the Supervisory Controller’s
program scan rate, which might be in hundredths of milliseconds. This can easily bog down a
network as single commands can be sent to all ASC devices down the MS/TP trunks every
hundredth of a millisecond.
Fan Coils
Programs writing to the devices should have a structure similar to the following:
If Once Schedule = On then
MV13 = Occupied
End If
If Once Schedule = Off
Then
Do Every 5min
If Schedule = On Then
MV13= Occupied
Else
MV13 = Unoccupied
End If
OR
MV13 = Unoccupied
End If
End Do
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Additional Information and Considerations
Rooftop and Heat Pump Units
Programs writing to the devices should have a structure similar to the following:
If Once Schedule = On then
MV11 = Occupied
End If
If Once Schedule = Off
Then
Do Every 5min
If Schedule = On Then
MV11= Occupied
Else
MV11 = Unoccupied
End If
OR
MV11 = Unoccupied
End If
End Do
Retries and Timeouts (Supervisory Controllers Other Than Tracer SC)
Another thing to look for in a BACnet integration is the Device object of the Supervisory Controller
(and the Operator’s Workstation). This object contains the 2 following required properties:
•
Retry Timeout
The Retry Timeout property specifies the time between re-transmissions if the
acknowledgement has not been received. When you are experiencing problems with
controllers dropping off-line, increasing this value may help.
•
Number of APDU Retries;
The Number of APDU Retries property specifies the number of times unsuccessful
transmissions will be repeated. If the receiving controller has not received the transmission
successfully after this many attempts, no further attempts will be made.
For example, if one of the thermostats does not reply to a Supervisory Controller (Tracer SC)
request, and the Retry Timeout is set to 2000 msec and the Number of APDU Retries is set to 1 (still
at the Tracer SC level), then the Tracer SC will send one other request, 2 seconds later. If the MS/
TP device does not reply, it will be considered Off-line by the workstation.
So having a Retry Timeout value of 10000 msec and a Number of APDU Retries property set to 3
at the SC level may prevent device from dropping Off-line. These properties should also be
changed at the Workstation level since the workstation will likely issue requests to any MS/TP
devices when the graphics are used.
Objects and Parameters
The following items apply to all equipment types.
•
Each thermostat is delivered from the factory with the default MAC address set at 254. At this
value, the BACnet communication is NOT active and the device will not participate in the token
pass either. The local LED status (located on the backside of the board) is one short flash only.
To enable the BACnet communication, set the local MAC address configuration property of the
thermostat to any valid value from 0 to 127 using the Installer Configuration Parameter menuon
the Thermostat. (Refer to the Trane Communicating Thermostats for Heat Pump Control User
Guide (BAS-SVU10A-EN), Trane Communicating Thermostats for Rooftop Control User Guide
(BAS-SVU11A-EN), or the Trane Communicating Thermostats for Fan Coil Control User Guide
(BAS-SVU12A-EN) for details.)
•
•
All configuration objects are available and can be edited locally from the device itself using the
local configuration routine. (See the Communicating Thermostat User Guides mentioned
In its default mode of operation, the device will automatically match its baud rate to the baud
rate of the network. Automatic baud rate detection will occur when the MS/TP communication
port is initialized (on power up). If the network speed is changed, the device will keep listening
at the previously detected speed for10 minutes before resuming automaticbaud ratedetection.
Re-powering the devices will force immediate auto-detection.
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Additional Information and Considerations
•
If the device should go offline, the communicated value from the front-end Tracer SC will be
released:
–
–
–
Room Temperature
Outdoor Temperature
Occupancy
•
•
Device Name and Device ID properties are writable in BACnet device object. Both properties can
be renamed from any BACnet network management tool as long as the tool itself give access
to write to these properties.
The BACnet Data Link layer has two key parameters: the device object name and the device
object ID. The device object name must be a unique BACnet device object name within the
BACnet network (i.e. not just the MS/TP sub-network). The device object ID must also be a
unique BACnet device object ID in the entire BACnet network (i.e. not just the MS/TP sub-
network).
The following items apply to fan coils only.
•
•
•
Enumeration sets for System Mode MV16 depends on Sequence of Operation (MV15) value
upon device discovery. If required enumerations are not present, set MV15 to desired value and
rediscover MV16 object. Available enumeration will now reflect required configuration.
Enumeration sets for MV16 depends on Fan Mode Sequence (MV58) value upon device
discovery. If required enumerations are not present, set MV58 to desired value and rediscover
MV16 object. Available enumeration will now reflect required configuration.
Enumeration sets for MV26 and MV27 depend on Control Type (BV75) value and Pipe Number
(MV52) value upon device discovery. If required enumeration is not present, set BV75 and MV52
to desired value and rediscover MV26 and BV27 object. Available enumeration will now reflect
required configuration.
•
•
To assign manually a Room Temperature (AV7) value, users must first enable the Override
mode in the Room Temp Override (BV8) object.
To assign manually a Room Humidity (AV10) value, users must first enable the Override mode
in the Room Humidity Override (BV11) object.
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Additional Information and Considerations
Tracer SC Network Configuration
You should be aware of these important facts about Communicating Thermostat capabilities in the
Tracer SC network.
No automatic installation
The Trane Communicating Thermostats do not automatically install on the Tracer SC. Custom
templates are available and you can select one of these templates (“Template: TStat_RTU_Trane,”
the unit ready to install. Refer to the Tracer™ SC System Controller Installation and Setup Manual
(BAS-SVX31x-EN) for details about using a template to install a Communicating Thermostat on a
BACnet link.
No priority array
Binary, Analog, and Multistate Values do not use a priority array. In order to reliably control these
points, they must be controlled by only one source (for example, Area control). If they are being
controlled from multiple sources, the most recent source to control the point will be in control.
Night Purge disabled
A Trane Communicating Thermostat as a member of Area should have Night Purge disabled.
Using Night Purge could result in the Heat Cool Mode Request being controlled incorrectly on a
transition from Night Purge to another state. You can disable Night Purge for the entire area on the
Figure 5. The Economizer Control section of the Area Functions page
Night purge can also be disabled from the members page by checking the box next to certain
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Additional Information and Considerations
Figure 6. Area members page (actions > edit configuration)
Heat only/cool only
If the thermostat is configured as cool only, it will not accept its Heat Cool Mode Request to be
controlled to any heating mode. The converse applies if the thermostat is configured for heat only,
it will not accept its Heat Cool Mode Request to be controlled to any cooling mode. If the point is
controlled to an invalid state, it will quickly revert to the previous state.
Parameters not supported
In the Occupancy frame of the Equipment/Space status page, the following properties will not be
displayed:
•
•
•
Last Controlled
Controlled by
Time Remaining
These are parameters that the thermostat points do not support.
Figure 7. Occupancy section of the Equipment/Space status page
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Additional Information and Considerations
Figure 8. Status section of the Point Status page
No active setpoint or heat/cool mode data
The Spaces Summary and Equipment Summary pages do not show data for active setpoint or heat/
cool mode as these devices do not have Space Temperature Setpoint Active and Heat Cool Mode
Status points ( ).
Figure 9. Air Handlers section of the Equipment Status page
Discharge air temp requirements
The point Discharge Air Temperature on all of these devices only reports data if the respective input
is configured as a discharge air sensor and a valid sensor is connected.
Inappropriate text on graphic displays
In some cases, Binary and Multistate points on a Tracer SC custom graphic display state text that
does not match the space or equipment pages.
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Additional Information and Considerations
Outdoor air temperature
On the TStat_FanCoil, the point Outdoor Air Temperature is only controlled from a BAS. It is not
used in the control sequence of the device. If this value is to be shown on the LCD display on the
thermostat, it’s recommended to use global referencing to send the Facility Outdoor Air
Temperature to this point.
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Data Normalization
Special data normalization has been applied to various points in the factory loaded equipment
templates. This data normalization serves to make a consistent interface to equipment across
Tracer SC. This chapter lists special data normalizations for each equipment template.
Example: Occupancy Request
The following example of the Occupancy Request point in the TStat_FanCoil_Trane template
indicates how to interpret the special data normalization.
•
•
The point name in Tracer SC is Occupancy Request.
The point name in the BACnet device is Occupancy Command (Multistate Value instance 18
(MV18)).
When Tracer SC writes the state in the left hand column to the Occupancy Request point, the
BACnet point is controlled to the corresponding state on the right hand column.
Table 20. Tracer SC writing to the fan coil (Occupancy Request)
Tracer SC state and text
1 - Occupied
Fan coil state and text
2 - Occupied
2 - Unoccupied
3 - Unoccupied
2 - Occupied
3 - Occupied Bypass
4 - Occupied Standby
5 - Auto
2 - Occupied
1 - Local Occupancy
When Tracer SC reads the state and text in the left hand column from the BACnet device, it reports
the state and text in the right hand column in the Occupancy Request point.
Table 21. Reading from Fan Coil to Tracer SC (Occupancy Request)
Fan Coil state and text
Tracer SC state and text
1 - Local Occupancy
5 - Auto
2 - Occupied
1 - Occupied
3 - Unoccupied
2 - Unoccupied
Template: TStat_FanCoil_Trane
This section lists special data normalizations for points in this template.
The Tracer SC Point name: Occupancy Status
The BACnet point name, type, and instance: Effective Occupancy (MV 33)
Table 22. Tracer SC writing to the fan coil (Occupancy Status)
Tracer SC state and text
Fan coil state and text
1 - Occupied
1 - Occupied
2 - Unoccupied
3 - Occupied Bypass
4 - Occupied Standby
5 - Auto
2 - Unoccupied
1 - Occupied
4 - Stand-by
1 - Occupied
Table 23. Reading from fan coil to Tracer SC (Occupancy Status)
Fan Coil state and text
Tracer SC state and text
1 - Occupied
1 - Occupied
2 - Unoccupied
2 - Unoccupied
1 - Occupied
3 - Temporary Occupied
4 - Stand-by
4 - Occupied Standby
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Data Normalization
Tracer SC point name: Occupancy Request
BACnet point name, type, and instance: Occupancy Command (MV 18)
Table 24. Tracer SC writing to the fan coil (Occupancy Request)
Tracer SC state and text
Fan coil state and text
1 - Occupied
2 - Occupied
2 - Unoccupied
3 - Occupied Bypass
4 - Occupied Standby
5 - Auto
3 - Unoccupied
2 - Occupied
2 - Occupied
1 - Local Occupancy
Table 25. Reading from fan coil to Tracer SC (Occupancy Request)
Fan coil state and text
Tracer SC state and text
1 - Local Occupancy
5 - Auto
2 - Occupied
1 - Occupied
3 - Unoccupied
2 - Unoccupied
Tracer SC Point name: Heat Cool Mode Request
BACnet point name, type and instance: System Mode (MV 16)
Table 26. Tracer SC writing to the fan coil (Heat Cool Mode Request)
Tracer SC state and text
Fan coil state and text
1 - Auto
2 - Auto
2 - Heat
4 - Heat
4 - Heat
3 - Cool
3 - Cool
3 - Cool
1 - Off
3 - Morning Warm-up
4 - Cool
5 - Night Purge
6 - Pre Cool
7 - Off
8 - Test
2 - Auto
4 - Heat
2 - Auto
3 - Cool
3 - Cool
4 - Heat
3 - Cool
3 - Cool
2 - Auto
9 - Emergency Heat
10 - Fan Only
11 - Free Cool
12 - Ice-Making
13 - Max Heat
14 - Economizer
15 - Dehumidify
16 - Calibrate
Table 27. Reading from fan coil to Tracer SC (Heat Cool Mode Request)
Fan coil state and text
Tracer SC state and text
1 - Off
7 - Off
2 - Auto
3 - Cool
4 - Heat
1 - Auto
4 - Cool
2 - Heat
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Data Normalization
Tracer SC Point name: Supply Fan Staged Speed Status
BACnet point name, type, and instance: Fan Status (MV 28)
Table 28. Tracer SC writing to the fan coil (Supply Fan Staged Speed Status)
Tracer SC state and text
Fan coil state and text
1 - Auto
4 - High
2 - Off
1 - Off
3 - Low
2 - Low
4 - Medium
5 - High
3 - Medium
4 - High
Table 29. Reading from fan coil to Tracer SC (Supply Fan Staged Speed Status)
Fan coil state and text
Tracer SC state and text
1 - Off
2 - Off
2 - Low
3 - Low
3 - Medium
4 - High
4 - Medium
5 - High
Tracer SC Point name: Fan Mode BAS
BACnet point name, type, and instance: Fan Mode (MV 17)
Table 30. Tracer SC writing to the fan coil (Fan Mode BAS)
Tracer SC state and text
Fan coil state and text
1 - On
2 - On
2 - Auto
1 - Auto
1 - Auto
3 - Smart
Table 31. Reading from fan coil to tracer SC (Fan Mode BAS)
Fan Coil state and text
Tracer SC state and text
1 - Auto
2 - On
2 - Auto
1 - On
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Data Normalization
Template: TStat_HeatPump_Trane
This section lists special data normalizations for points in this template.
•
•
Tracer SC Point name: Occupancy Status
BACnet point name, type, and instance: Effective Occupancy (MV 34)
Table 32. Tracer SC writing to the heat pump (Occupancy Status)
Heat pump state and text
1 - Occupied
1 - Occupied
2 - Unoccupied
3 - Occupied Bypass
4 - Occupied Standby
5 - Auto
2 - Unoccupied
1 - Occupied
1 - Occupied
1 - Occupied
Table 33. Reading from heat pump to Tracer SC (Occupancy Status)
Heat pump state and text
Tracer SC state and text
1 - Occupied
1 - Occupied
2 - Unoccupied
2 - Unoccupied
1 - Occupied
3 - Temporary Occupied
Tracer SC Point name: Occupancy Request
BACnet point name, type and instance: Occupancy Command (MV 12)
Table 34. Tracer SC writing to the heat pump (Occupancy Request)
Tracer SC state and text
Heat pump state and text
1 - Occupied
2 - Occupied
2 - Unoccupied
3 - Occupied Bypass
4 - Occupied Standby
5 - Auto
3 - Unoccupied
2 - Occupied
2 - Occupied
1 - Local Occupancy
Table 35. Reading from heat pump to Tracer SC (Occupancy Request)
Heat pump state and text
Tracer SC state and text
1 - Local Occupancy
5 - Auto
2 - Occupied
1 - Occupied
3 - Unoccupied
2 - Unoccupied
Tracer SC Point name: Heat Cool Mode Request
BACnet point name, type and instance: System Mode (MV 13)
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Data Normalization
Table 36. Tracer SC writing to the heat pump (Heat Cool Mode Request)
Tracer SC state and text
Heat pump state and text
1 - Auto
2 - Auto
2 - Heat
4 - Heat
4 - Heat
3 - Cool
3 - Cool
3 - Cool
1 - Off
3 - Morning Warm-up
4 - Cool
5 - Night Purge
6 - Pre Cool
7 - Off
8 - Test
2 - Auto
5 - Emergency
2 - Auto
3 - Cool
3 - Cool
4 - Heat
3 - Cool
3 - Cool
2 - Auto
9 - Emergency Heat
10 - Fan Only
11 - Free Cool
12 - Ice-Making
13 - Max Heat
14 - Economizer
15 - Dehumidify
16 - Calibrate
Table 37. Reading from Heat Pump to Tracer SC (Heat Cool Mode Request)
Heat pump state and text
Tracer SC state and text
1 - Off
7 - Off
2 - Auto
1 - Auto
3 - Cool
4 - Cool
4 - Heat
2 - Heat
5 - Emergency
9 - Emergency Heat
Template: TStat_RTU_Trane
This section lists special data normalizations for points in this template.
Tracer SC Point name: Occupancy Status
BACnet point name, type, and instance: Effective Occupancy (MV 34)
Table 38. Tracer SC writing to the rooftop unit (Occupancy Status)
Tracer SC state and text
Rooftop unit state and text
1 - Occupied
1 - Occupied
2 - Unoccupied
3 - Occupied Bypass
4 - Occupied Standby
5 - Auto
2 - Unoccupied
1 - Occupied
1 - Occupied
1 - Occupied
Table 39. Reading from rooftop unit to Tracer SC (Occupancy Status)
Rooftop unit state and text
Tracer SC state and text
1 - Occupied
1 - Occupied
2 - Unoccupied
2 - Unoccupied
1 - Occupied
3 - Temporary Occupied
40
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Data Normalization
Tracer SC Point name: Occupancy Request
BACnet point name, type, and instance: Occupancy Command (MV 12)
Table 40. Tracer SC writing to the rooftop unit (Occupancy Request)
Tracer SC state and text
Rooftop unit state and text
1 - Occupied
2 - Occupied
2 - Unoccupied
3 - Occupied Bypass
4 - Occupied Standby
5 - Auto
3 - Unoccupied
2 - Occupied
2 - Occupied
1 - Local Occupancy
Table 41. Reading from rooftop unit to Tracer SC (Occupancy Request)
Rooftop unit state and text
Tracer SC state and text
1 - Local Occupancy
5 - Auto
2 - Occupied
1 - Occupied
3 - Unoccupied
2 - Unoccupied
Tracer SC Point name: Heat Cool Mode Request
BACnet point name, type and instance: System Mode (MV 14)
Table 42. Tracer SC writing to the rooftop unit (Heat Cool Mode Request)
Tracer SC state and text
Rooftop unit state and text
1 - Auto
2 - Heat
2 - Auto
4 - Heat
4 - Heat
3 - Cool
3 - Cool
3 - Cool
1 - Off
3 - Morning Warm-up
4 - Cool
5 - Night Purge
6 - Pre Cool
7 - Off
8 - Test
2 - Auto
4 - Heat
2 - Auto
3 - Cool
3 - Cool
4 - Heat
3 - Cool
3 - Cool
2 - Auto
9 - Emergency Heat
10 - Fan Only
11 - Free Cool
12 - Ice-Making
13 - Max Heat
14 - Economizer
15 - Dehumidify
16 - Calibrate
Table 43. Reading from rooftop unit to Tracer SC (Heat Cool Mode Request)
Rooftop unit state and text
Tracer SC state and text
1 - Off
7 - Off
2 - Auto
3 - Cool
4 - Heat
1 - Auto
4 - Cool
2 - Heat
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Trane Communicating Thermostat Points List
The following tables provide side by side lists of Tracer SC points and Communicating Thermostat
device point names and related information.
TStat_Fan_Coil_Trane
Table 44. Points Available in the TStat_Fan_Coil_Trane Template
Data
TStat Device Point
Name
Point
Type
Point
Instance
Normaliza-
tion
Tracer SC Point Name
Diagnostic Present
Service Alarm
Filter Alarm
BI
BI
37
36
12
51
25
17
16
19
Dirty Filter Alarm
Discharge Air Temperature
Display Temperature Scale
Emergency Heat Status
Fan Mode BAS
Supply Temperature
Temperature Scale
AUX Status
AI
BV
BI
Fan Mode
MV
MV
MV
Yes
Yes
Heat Cool Mode Request
Keypad Lockout
System Mode
Keypad Lockout
Minimum Heating Cooling Setpoint
Differential
Deadband
AV
63
Occupancy Input
Local Motion
BI
MV
MV
AV
AV
AV
AV
AV
AV
MV
MV
AV
AV
AV
AV
AV
AV
AV
AV
AV
BI
32
18
33
40
39
42
41
9
Occupancy Request
Occupancy Command
Effective Occupancy
Occupied Cool Setpoint
Occupied Heat Setpoint
Stand-by Cool Setpoint
Stand-by Heat Setpoint
Outdoor Temperature
Room Temperature
Fan Status
Yes
Yes
Occupancy Status
Occupied Cooling Setpoint
Occupied Heating Setpoint
Occupied Standby Cooling Setpoint
Occupied Standby Heating Setpoint
Outdoor Air Temperature
Space Temperature Active
Supply Fan Staged Speed Status
Timed Override Duration Setpoint
Unoccupied Cooling Setpoint
Unoccupied Cooling Setpoint
7
28
62
43
44
21
22
56
58
59
67
68
29
30
31
35
8
Yes
Temporary Occupancy Time
Unoccupied Heat Setpoint
Unoccupied Cool Setpoint
PI Heating Demand
PI Cooling Demand
Password Value
Heating Setpoint Limit
Cooling Setpoint Limit
Stand-by Time
Unoccupied Time
BI 1 Status
BI 2 Status
BI
UI 3 Status
BI
Window Alarm
BI
Room Temp Override
AUX Command
BV
BV
BV
BV
BV
BV
BV
BV
BV
MV
MV
14
49
50
60
61
64
66
75
15
26
Menu Scroll
Auto Mode Enable
Setpoint Type
Setpoint Function
Reheat Time Base
Auto Fan
Control Type
Sequence of Operation
Heating Valve Status
42
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Trane Communicating Thermostat Points List
Table 44. Points Available in the TStat_Fan_Coil_Trane Template (continued)
Data
Normaliza-
tion
TStat Device Point
Name
Point
Type
Point
Instance
Tracer SC Point Name
Cooling Valve Status
BI 1 Configuration
BI 2 Configuration
UI 3 Configuration
Pipe Number
MV
MV
MV
MV
MV
MV
MV
MV
MV
MV
27
46
47
48
52
54
57
65
76
77
AUX Configuration
Fan Mode Sequence
Proportional Band
Floating Motor Timing
On Off Control CPH
TStat_HeatPump_Trane Template
Table 45. Points Available in the TStat_HeatPump_Trane Template
Data
Normaliza-
tion
TStat Device Point
Point
Tracer SC Point Name
Name
Point Type Instance
Cool Output 1 Status
Y1 Cool
Y2 Cool
BI
BI
26
27
39
38
16
47
15
25
13
28
55
18
36
Cool Output 2 Status
Diagnostic Present
Dirty Filter Alarm
Service Alarm
Filter Alarm
BI
BI
Discharge Air Temperature
Display Temperature Scale
Fan Mode BAS
Supply Temperature
Temperature Scale
Fan Mode
AI
BV
MV
BI
Fan Output Status
Heat Cool Mode Request
Heat Output 1 Status
In Defrost
G Fan
System Mode HP
W1 Heat
MV
BI
Yes
Frost Protection
Keypad Lockout
Frost Alarm
BV
MV
BI
Keypad Lockout
Low Temperature Alarm
Minimum Heating Cooling Setpoint
Differential
Deadband
AV
52
Occupancy Input
Local Motion
BI
MV
MV
AV
AV
AV
BI
33
12
34
43
42
9
Occupancy Request
Occupancy Command
Effective Occupancy
Occupied Cool Setpoint
Occupied Heat Setpoint
Outdoor Temperature
Reversing Valve
Yes
Yes
Occupancy Status
Occupied Cooling Setpoint
Occupied Heating Setpoint
Outdoor Air Temperature
Reversing Valve
30
7
Space Temperature Active
Supply Fan Configuration Command
Supply Fan Failure
Room Temperature
Fan Control
AV
BV
BI
62
40
61
45
44
20
21
48
49
Fan Lockout Alarm
Timed Override Duration Setpoint
Unoccupied Cooling Setpoint
Unoccupied Heating Setpoint
Temporary Occupancy Time
Unoccupied Cool Setpoint
Unoccupied Heat Setpoint
PI Heating Demand
PI Cooling Demand
Heating Setpoint Limit
Cooling Setpoint Limit
MV
AV
AV
AV
AV
AV
AV
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Trane Communicating Thermostat Points List
Table 45. Points Available in the TStat_HeatPump_Trane Template (continued)
Data
Normaliza-
tion
TStat Device Point
Name
Point
Tracer SC Point Name
Point Type Instance
Heating Lockout
Temperature
AV
50
Cooling Lockout
Temperature
AV
51
Password Value
Power-up Delay
Unoccupied Time
High Balance Point
Low Balance Point
AUX
AV
AV
AV
AV
AV
BI
59
60
68
82
83
24
31
32
8
DI 1 Status
BI
DI 2 Status
BI
Room Temp Override
Outdoor Temp Override
Aux Contact
BV
BV
BV
BV
BV
BV
10
56
57
64
84
Menu Scroll
Fan Purge Delay
Comfort Mode
Reversing Valve
Configuration
BV
85
Compressor Interlock
Heating CPH
BV
MV
MV
MV
MV
MV
MV
MV
86
53
54
63
65
66
67
75
Cooling CPH
Anticycle
DI 1 Configuration
DI 2 Configuration
Proportional Band
Heat Pump Stages
TStat_RTU_Trane Template
Table 46. Points Available in the TStat_RTU_Trane Template
Data
Normaliza-
tion
TStat Device Point
Point
Tracer SC Point Name
Name
Point Type Instance
Cool Output 1 Status
Y1 Cool
Y2 Cool
BI
BI
BI
BI
AI
BV
26
27
39
38
16
47
Cool Output 2 Status
Diagnostic Present
Service Alarm
Dirty Filter Alarm
Filter Alarm
Discharge Air Temperature
Display Temperature Scale
Supply Temperature
Temperature Scale
Economizer Minimum Position Setpoint Economizer Minimum
AV
AV
AV
78
80
77
BAS
Position
Economizer Mixed Air Enable Setpoint
BAS
Mixed Air Setpoint
Economizer Outdoor Air Enable
Setpoint BAS
Economizer Changeover
Setpoint
Fan Mode BAS
Fan Mode
MV
BI
15
25
14
28
Fan Output Status
Heat Cool Mode Request
Heat Output 1 Status
G Fan
System Mode RTU
W1 Heat
MV
BI
Yes
44
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Trane Communicating Thermostat Points List
Table 46. Points Available in the TStat_RTU_Trane Template (continued)
Data
Normaliza-
tion
TStat Device Point
Name
Point
Tracer SC Point Name
Point Type Instance
Heat Output 2 Status
W2 Heat
BI
29
55
18
36
In Defrost
Frost Protection
Keypad Lockout
Frost Alarm
BV
MV
BI
Keypad Lockout
Low Temperature Alarm
Minimum Heating Cooling Setpoint
Differential
Deadband
AV
52
Occupancy Input
Local Motion
BI
33
12
34
43
42
22
9
Occupancy Request
Occupancy Command
Effective Occupancy
Occupied Cool Setpoint
Occupied Heat Setpoint
Economizer Output
Outdoor Temperature
Room Temperature
Fan Control
MV
MV
AV
AV
AV
AV
AV
BV
BI
Yes
Yes
Occupancy Status
Occupied Cooling Setpoint
Occupied Heating Setpoint
Outdoor Air Damper Position
Outdoor Air Temperature
Space Temperature Active
Supply Fan Configuration Command
Supply Fan Failure
7
62
40
61
45
44
20
21
48
49
Fan Lockout Alarm
Timed Override Duration Setpoint
Unoccupied Cooling Setpoint
Unoccupied Heating Setpoint
Temporary Occupancy Time MV
Unoccupied Cool Setpoint AV
Unoccupied Heat Setpoint AV
PI Heating Demand
PI Cooling Demand
Heating Setpoint Limit
Cooling Setpoint Limit
AV
AV
AV
AV
Heating Lockout
Temperature
AV
AV
50
51
Cooling Lockout
Temperature
Password Value
Power-up Delay
Unoccupied Time
AUX
AV
AV
AV
BI
59
60
68
24
31
32
8
DI 1 Status
BI
DI 2 Status
BI
Room Temp Override
Outdoor Temp Override
Aux Contact
BV
BV
BV
BV
BV
10
56
57
64
79
53
54
63
65
66
67
73
74
Menu Scroll
Fan Purge Delay
Mechanical Cooling Enabled BV
Heating CPH
MV
MV
MV
MV
MV
MV
MV
MV
Cooling CPH
Anticycle
DI 1 Configuration
DI 2 Configuration
Proportional Band
Heating Stages
Cooling Stages
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Notes
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Notes
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