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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
knowledgeandtraining.Improperlyinstalled,adjustedoralteredequipmentbyanunqualifiedpersoncould
result in death or serious injury. When working on the equipment, observe all precautions in the
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Copyright © 2011 Trane All rights reserved This document and the information in it are the property of Trane and may not be used orreproducedinwholeorinpart,withoutthewrittenpermissionofTrane.Tranereserves therighttorevisethispublicationatanytimeandtomakechangestoitscontentwithout obligation to notify any person of such revision or change. Trademarks Trane and its logo are trademarks of Trane in the United States and other countries. All trademarks referenced in this document are the trademarks
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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 ...........................
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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
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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) TheseTraneCommunicatingThermostatsareBACnetMS/TPdevicesspecificallydesignedfor single stage and multi-stage control of heating/cooling equipment suc
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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 Set
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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 supervi
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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,whenaheatpumpcommunicatingthermostatwithaMACaddressof63isconnected toanetwork,itsdefaultDeviceNamewillbeTStat_HeatPump_Trane_63anditsdefaultDevice ID will be 760063. Fan Coil Objects Table 2. Objects table for fan coils (X13511543010)
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Summary of BACnet Objects Table 2. Objects table for fan coils (X13511543010) (continued) Object Name Type and Instance Object Property Unoccupied Heat Setpoint AV 43 Present_Value (R,W) Unoccupied Cool Setpoint AV 44 Present_Value (R,W) General Options 1 GRP 45 Present_Value (R) BI 1 Configuration MV 46 Present_Value (R,W) BI 2 Configuration MV 47 Present_Value (R,W) UI 3 configuration MV 48 Present_Value (R,W) Menu Scroll BV 49 Present_Value (R,W) Auto Mode Enable BV 50 Present_Value (
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Summary of BACnet Objects Rooftop and Heat Pump Objects Table 3. Rooftop and heat pump ungrouped objects Dehumidifi- Type and Rooftop Heat Pump cation Object Name Instance Object Property -1010 -2010 -1050 Room Temperature AV 7 Present_Value (R,W)√√ √ Room Temp Override BV 8 Present_Value (R,W)√√ √ Outdoor Temperature AV 9 Present_Value (R,W)√√ √ Outdoor Temp Override BV 10 Present_Value (R,W)√√ √ Room Humidity AV 11 Present_Value (R) √ Occupancy Command MV 12 Present_Value (R,W)√√ √ System Mode
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Summary of BACnet Objects Table 3. Rooftop and heat pump ungrouped objects Dehumidifi- Type and Rooftop Heat Pump cation Object Name Instance Object Property -1010 -2010 -1050 Cooling CPH MV 54 Present_Value (R,W)√√ √ Frost Protection BV 55 Present_Value (R,W)√√ √ Aux Contact BV 56 Present_Value (R,W)√√ √ Menu Scroll BV 57 Present_Value (R,W)√√ √ General Options 2- GRP 58 Present_Value (R)√√ √ Password Value AV 59 Present_Value (R,W)√√ √ Power-up Delay AV 60 Present_Value (R,W)√√ √ Temporary Occ
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Summary of BACnet Objects Table 3. Rooftop and heat pump ungrouped objects Dehumidifi- Type and Rooftop Heat Pump cation Object Name Instance Object Property -1010 -2010 -1050 Eff (Effective) Reset Humidification RH Spt AV 96 Present_Value (R) √ (Setpoint) Humidification High Limit AV 97 Present_Value (R,W) √ Spt (Setpoint) Low RH Setpoint AV 98 Present_Value (R,W) √ Low Temp Reset RH AV 99 Present_Value (R,W) √ Setpoint High Temp Reset RH AV 100 Present_Value (R,W) √ Setpoint Humidifier Out
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Summary of BACnet Objects c : Object_Name property is writable only for Room Temperature (AV7). d : Present_Value and Out_of_Service properties are writable for every MV objects except Heating Valve Status (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
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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 Instance Value Value Default Value Room Temperature AV 7 -39.9°F (-40°C) 121.9°F (50°C) N/A Outdoor Temperature AV 9 -39°F (-40°C) 121.9°F (50°C) N/A Room Humidity AV 10 5% 90% N/A Supply Temperature AI 12 -39.9°F (-40°C) 121.9°F (50°C
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BACnet Object Properties Table 7. List of property enumeration sets for BV objects and BI objects (continued) Object Type and Object Name instance Inactive_Text Active_Text Default value Filter Alarm BI 36 Off On Off Service Alarm BI 37 Off On Off Menu Scroll BV 49 No Scroll Scroll Active Scroll Active Auto Mode Enable BV 50 Disabled Enabled Enabled Temperature Scale BV 51 °C °F °F Setpoint Type BV 60 Permanent Temporary Permanent Setpoint Function BV 61 Dual Setpoints Attached Setpoints
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BACnet Object Properties Table 9. MV15 (Sequence of Operation) values for Note 2 Default Value is Default Value is MV15 Index Function BV50 Enabled BV50 Disabled 1 Cooling Only Cool Cool 2 Cooling with Reheat Auto Heat 3 Heating Only Heat Heat 4 Heating with Reheat Heat Heat 5 Cooling/Heating 4 Pipes Auto Heat 6 Cooling/Heating 4 Pipes with Reheat Auto Heat Table Notes: (continued) 3 Enumeration sets for MV17 depends on Fan Mode Sequence (MV58) value upon device discovery. If required en
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BACnet Object Properties meration will now reflect required configuration. 9 Available object name, state text and default value depends on Control Type (BV75) value and Pipe Number (MV52) upon device discovery. (See Table 12.) Table 12. Various object indexes and values for Note 9 Function MV26 BV75 Value MV52 Index MV27 Object Name State Text Index Default Value 1 (2 pipe) Heat/Cool Valve Status 1 Closed – 2 Open Closed On/Off 2 (4 pipe) Cooling Valve Status 1 Closed – 2 Open Closed 1
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BACnet Object Properties Table 13. Additional MV Values (continued) Object Name Object ID BACnet Index Text Default Value 1 0 hour 2 1 hour 3 2 hours 4 3 hours 5 4 hours 6 5 hours 7 6 hours 8 7 hours 9 8 hours 10 9 hours 11 10 hours 12 11 hours Temporary Occupancy MV 62 13 12 hours 2 hours Time 14 13 hours 15 14 hours 16 15 hours 17 16 hours 18 17 hours 19 18 hours 20 19 hours 21 20 hours 22 21 hours 23 22 hours 24 23 hours 25 24 hours 1 3 3 F 1.2 C 2 4 4 F 1.7 C 3
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BACnet Object Properties Table 13. Additional MV Values (continued) Object Name Object ID BACnet Index Text Default Value 1 3 CPH 2 4 CPH On-Off Control 3 5 CPH CPH MV 77 4 CPH 4 6 CPH 5 7 CPH 6 8 CPH Rooftop and Heat Pump Object Properties Table 14. List of property value range restrictions for AI and AV objects Object Type Under Range Object Name and Instance Value Over Range Value Default Value Room Temperature AV 7 -40°F (-40°C) 122°F (50°C) N/A Outdoor Temperature AV 9 -40°F (-40
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BACnet Object Properties Table 14. List of property value range restrictions for AI and AV objects (continued) Object Type Under Range Object Name and Instance Value 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 and Instance Inactive_Text Active_Text Default Value Room Temp Override BV 8 Normal Override Normal Outdoor Temp Override BV 10 Normal Override Normal AUX BI 24 Off On Off
