Air-cooled scroll chiller controller · BACnet points list

Trane Symbio 800 CGAM BACnet points list

Updated 28 October 2026

Short answer

CGAM chillers with Symbio 800 publish about 300 BACnet objects. Status is AI/BI/MI, and AV/BV/MV objects take BAS setpoints and commands. Multistate inputs report things like refrigerant type and chiller model code.

This page lists 301 BACnet objects for the Trane Symbio 800 CGAM — 12 of them writable — with each object’s type, instance number, name, engineering units and access. It is re-typed from Trane’s own free documentation, linked below.

Manufacturer: Trane
Model: Symbio 800 CGAM
Equipment: Air-cooled scroll chiller controller
Equipment type: Chillers
BACnet objects: 301 (12 writable)
Transport: BACnet IP, BACnet MS/TP
Firmware: Not stated
Also known as: CGAM, CGAM air-cooled chiller, BAS-PTS019
Source document: Symbio 800 Integration Points List BACnet - CGAM · BAS-PTS019A-EN · rev. 11/15/2024

Download CSV 301 rows Download EDE B.I.G.-EU JSON Manufacturer PDF ↗ Download Easy BACnet Mobile App Google Play

BMS integration notes: Trane Symbio 800 CGAM

Integration in brief

Put the chiller on the network (BACnet MS/TP or IP), then write the auto/stop command, chilled water setpoint, demand limit and mode. Read back running state, leaving water temperature and capacity. Check the local-setpoint flag to confirm the BAS setpoints are actually in use. Most remaining objects are read-only status and per-alarm diagnostic flags.

Minimum points to map

The short list most integrators start with — enough to run the unit from a BMS. Map more as the job needs.

Object	Name	Why	Access
BV 10106	Chiller Auto Stop Command BAS	BMS auto/stop (enable) command	Write
MV 10100	Chiller Mode Command BAS	Cool/heat/ice/free-cooling mode command	Write
AV 10100	Chilled Water Setpoint	Chilled water setpoint from the BMS	Write
AV 10101	Demand Limit Setpoint	Capacity (demand) limit from the BMS	Write
BI 10114	Chiller Running State	Chiller on/off status	Read
BI 10106	Local Setpoint Control	Shows if local setpoints override BAS setpoints	Read
AI 10101	Evaporator Leaving Water Temperature	Leaving chilled water temperature	Read
AI 10126	Actual Running Capacity	Actual running capacity in percent	Read
BI 10123	Diagnostic Present	Any active diagnostic (alarm) on the chiller	Read

Enable & remote start

BV 10106 Chiller Auto Stop Command BAS (0 = Stop, 1 = Auto) is the BMS auto/stop; with it at Auto the chiller runs when its own run conditions are met. BI 10104 External Auto Stop Input Status reports the hardwired external auto/stop input, and BI 10105 Run Enabled shows whether the chiller is enabled to run. The documents don't say how the two combine or how to hand setpoint control to the BAS; BI 10106 Local Setpoint Control shows when the chiller is using local setpoints instead of BAS setpoints, and MI 10102 Chiller Setpoint Source shows BAS, External or Front Panel.

Network setup

With no protocol specified at order, the controller ships as BACnet MS/TP at 76,800 bps with the rotary address at 000, and MS/TP is disabled at 000. Set a rotary address of 001-127 to bring it online.
The rotary address sets the MS/TP MAC and the Device ID and takes effect without a power cycle. A software Device ID (1-4194302) can be set in the web UI, Tracer SC+ or Tracer TU.
The web UI is reached only over USB at http://198.80.18.1/; the Ethernet ports do not serve it.
BACnet IP uses Ethernet port 1 (or the optional USB Wi-Fi adapter); the default UDP port is 47808. Enable BBMD only if this is the only BACnet IP device on the subnet, then fill in the BDT.
MS/TP wiring lands on the P1 link; P2 and P3 are for factory devices only, and Ethernet port 2 is only for the touch-screen display.

Watch out for

Communicated units (I-P or SI) are fixed at the factory; changing them in the field needs a Trane representative. Web UI display units do not change the BACnet values.
Points that don't apply to the unit's configuration are absent, and a technician can 'recycle' (remove) factory points from the interface, so a missing object may have been recycled.
The chiller lists have no read/write column; writability of the AV/BV/MV objects is inferred from Trane's naming convention.
Diagnostic BIs are one object per alarm condition and only exist for the options fitted.

Trane Symbio 800 CGAM BACnet objects

Type: AI, AO, AV, BI, BO, BV, MI/MO/MV (multi-state) · Access: Read read-only, Write writable, Command writable with a priority array.

Note: the source document has no read/write column, so access here is inferred from the object type (inputs read-only, values writable). Confirm on the live controller before writing.

301 of 301 shown

Type

Access

Units

Show

Trane Symbio 800 CGAM BACnet Points List
					States
AI	10100	Active Cool/Heat Setpoint Temperature	Temperature	Read
AImin	10101	Evaporator Leaving Water Temperature	Temperature	Read
AI	10102	Evaporator Entering Water Temperature	Temperature	Read
AI	10103	Active Chilled Water Setpoint	Temperature	Read
AI	10104	Chilled Water Setpoint Status	Temperature	Read
AI	10105	Hot Water Setpoint Active	Temperature	Read
AI	10106	Hot Water Setpoint Status	Temperature	Read
AI	10107	Active Demand Limit Setpoint	Percentage	Read
AI	10108	Active Demand Limit Setpoint	Percentage	Read
AI	10109	Demand Limit Setpoint Status	Percentage	Read
AI	10110	Unit Power Consumption	Power, Electrical	Read
AI	10111	Outdoor Air Temperature	Temperature	Read
AI	10112	Evaporator Refrigerant Pressure Circuit 1	Pressure, Fluidic	Read
AI	10113	Condenser Refrigerant Pressure Circuit 1	Pressure, Fluidic	Read
AI	10114	Differential Refrigerant Pressure Circuit 1	Pressure, Fluidic	Read
AI	10115	Evaporator Saturated Refrigerant Temperature Circuit 1	Temperature	Read
AI	10116	Condenser Saturated Refrigerant Temperature Circuit 1	Temperature	Read
AI	10117	Evaporator Refrigerant Pressure Circuit 2	Pressure, Fluidic	Read
AI	10118	Condenser Refrigerant Pressure Circuit 2	Pressure, Fluidic	Read
AI	10119	Differential Refrigerant Pressure Circuit 2	Pressure, Fluidic	Read
AI	10120	Evaporator Saturated Refrigerant Temperature Circuit 2	Temperature	Read
AI	10121	Condenser Saturated Refrigerant Temperature Circuit 2	Temperature	Read
AI	10122	Evaporator Refrigerant Absolute Pressure Circuit 1	Pressure, Fluidic	Read
AI	10123	Condenser Refrigerant Absolute Pressure Circuit 1	Pressure, Fluidic	Read
AI	10124	Evaporator Refrigerant Absolute Pressure Circuit 2	Pressure, Fluidic	Read
AI	10125	Condenser Refrigerant Absolute Pressure Circuit 2	Pressure, Fluidic	Read
AImin	10126	Actual Running Capacity	Percentage	Read
AI	10127	Air Flow Percentage Circuit 1	Percentage	Read
AI	10128	Air Flow Percentage Circuit 2	Percentage	Read
AI	10129	Starts - Compressor 1A		Read
AI	10130	Run Time - Compressor 1A		Read
AI	10131	Starts - Compressor 1B		Read
AI	10132	Run Time - Compressor 1B		Read
AI	10133	Starts - Compressor 1C		Read
AI	10134	Run Time - Compressor 1C		Read
AI	10135	Starts - Compressor 2A		Read
AI	10136	Run Time - Compressor 2A		Read
AI	10137	Starts - Compressor 2B		Read
AI	10138	Run Time - Compressor 2B		Read
AI	10139	Starts - Compressor 2C		Read
AI	10140	Run Time - Compressor 2C		Read
AI	10141	Heat Recovery Leaving Water Temperature Setpoint Active	Temperature	Read
AI	10142	Heat Recovery Entering Water Temperature	Temperature	Read
AI	10143	Heat Recovery Leaving Water Temperature	Temperature	Read
AI	10144	Chiller Design Capacity	Power, Cooling	Read
AI	10145	Number of Circuits		Read
AI	10146	Number of Compressors Circuit 1		Read
AI	10147	Number of Compressors Circuit 2		Read
AI	10148	Refrigerant Discharge Temperature Estimate Circuit 1	Temperature	Read
AI	10149	Refrigerant Discharge Temperature Estimate Circuit 2	Temperature	Read
AI	10150	Refrigerant Discharge Temperature Circuit 1	Temperature	Read
AI	10151	Refrigerant Discharge Temperature Circuit 2	Temperature	Read
AI	10152	Unit Source ID (Last Diagnostic Code)		Read
AI	10154	Energy Consumption Lifetime	Energy, Electrical	Read
AI	10155	Energy Consumption	Energy, Electrical	Read
AI	10156	Average Current	Current	Read
AI	10157	Average Voltage L-L	Voltage	Read
AI	10158	Current L1	Current	Read
AI	10159	Current L2	Current	Read
AI	10160	Current L3	Current	Read
AI	10161	Voltage L1-L2	Voltage	Read
AI	10162	Voltage L2-L3	Voltage	Read
AI	10163	Voltage L1-L3	Voltage	Read
AI	10164	Unit Power Demand	Power, Electrical	Read
AI	10165	Line Frequency		Read
AI	10166	Power Factor		Read
AI	10168	Supplemental Heat Status	Percentage	Read
AI	10169	Evaporator Approach Temperature Circuit 1	Temperature, Delta	Read
AI	10170	Condenser Approach Temperature Circuit 1	Temperature, Delta	Read
AI	10171	Evaporator Approach Temperature Circuit 2	Temperature, Delta	Read
AI	10172	Condenser Approach Temperature Circuit 2	Temperature, Delta	Read
AI	10173	Compressor Suction Superheat Ckt1	Temperature, Delta	Read
AI	10174	Compressor Suction Superheat Ckt2	Temperature, Delta	Read
AVmin	10100	Chilled Water Setpoint	Temperature	Write
AVmin	10101	Demand Limit Setpoint	Percentage	Write
AV	10102	Hot Water Setpoint	Temperature	Write
AV	10103	Heat Recovery Leaving Water Temperature Setpoint BAS	Temperature	Write
BI	10100	Limit Mode Relay Status		Read	0 = Auto, 1 = On
BI	10101	Emergency Stop		Read	0 = Auto, 1 = Emergency Stop - Manual Reset Required
BI	10102	Manual Override Exists		Read	0 = Off, 1 = On
BI	10103	Front Panel Auto Stop Status		Read	0 = Stop, 1 = Auto
BI	10104	External Auto Stop Input Status		Read	0 = Stop, 1 = Auto
BI	10105	Run Enabled		Read	0 = Run Not Enabled, 1 = Run Enabled
BImin	10106	Local Setpoint Control		Read	0 = Remote Control, 1 = Local Control
BI	10107	Maximum Capacity		Read	0 = Off, 1 = On
BI	10108	Compressor 1A Status		Read	0 = Off, 1 = Running
BI	10109	Compressor 1B Status		Read	0 = Off, 1 = Running
BI	10110	Compressor 1C Status		Read	0 = Off, 1 = Running
BI	10111	Compressor 2A Status		Read	0 = Off, 1 = Running
BI	10112	Compressor 2B Status		Read	0 = Off, 1 = Running
BI	10113	Compressor 2C Status		Read	0 = Off, 1 = Running
BImin	10114	Chiller Running State		Read	0 = Off, 1 = On
BI	10115	Heat Recovery Control Active Status		Read	0 = Inactive, 1 = Active
BI	10116	Heat Recovery Request Active		Read	0 = Off, 1 = On
BI	10117	Evaporator Water Pump Request		Read	0 = Off, 1 = On
BI	10118	Evaporator Water Flow Status		Read	0 = No Flow, 1 = Flow
BI	10119	Diagnostic Present: Information		Read	0 = Normal, 1 = In Alarm
BI	10120	Diagnostic Present: Advisory		Read	0 = Normal, 1 = In Alarm
BI	10121	Diagnostic Present: Critical		Read	0 = Normal, 1 = In Alarm
BI	10122	Diagnostic Present: Service Required		Read	0 = Normal, 1 = In Alarm
BImin	10123	Diagnostic Present		Read	0 = Normal, 1 = In Alarm
BI	10124	Diagnostic Shutdown Present		Read	0 = Normal, 1 = In Alarm
BI	10125	Diagnostic: Manual Reset Required		Read	0 = Normal, 1 = In Alarm
BI	10126	Diagnostic: Local Manual Reset Required		Read	0 = Normal, 1 = In Alarm
BI	10127	Noise Reduction Request Active		Read	0 = Off, 1 = On
BI	10128	In Defrost		Read	0 = Not In Defrost, 1 = Defrost
BI	10129	Circuit 1 Lockout Front Panel		Read	0 = Normal, 1 = Locked Out
BI	10130	Circuit 2 Lockout Front Panel		Read	0 = Normal, 1 = Locked Out
BI	10131	Circuit 1 Lockout External		Read	0 = Normal, 1 = Locked Out
BI	10132	Circuit 2 Lockout External		Read	0 = Normal, 1 = Locked Out
BI	10133	Circuit 1 Lockout Active		Read	0 = Normal, 1 = Locked Out
BI	10134	Circuit 2 Lockout Active		Read	0 = Normal, 1 = Locked Out
BI	10135	Circuit 1 Available		Read	0 = Unavailable, 1 = Available
BI	10136	Circuit 2 Available		Read	0 = Unavailable, 1 = Available
BI	10137	Circuit 1 Running Status		Read	0 = Off, 1 = On
BI	10138	Circuit 2 Running Status		Read	0 = Off, 1 = On
BI	11000	Comm Loss: Percent Capacity Output		Read	0 = Normal, 1 = In Alarm
BI	11001	Comm Loss: Supplemental Heater Relay 1		Read	0 = Normal, 1 = In Alarm
BI	11002	Comm Loss: Supplemental Heater Relay 2		Read	0 = Normal, 1 = In Alarm
BI	11003	Comm Loss: Supplemental Heater Relay 3		Read	0 = Normal, 1 = In Alarm
BI	11004	Comm Loss: Supplemental Heater Relay 4		Read	0 = Normal, 1 = In Alarm
BI	11005	Comm Loss: Energy Meter		Read	0 = Normal, 1 = In Alarm
BI	11006	Comm Loss: Outdoor Air Temperature		Read	0 = Normal, 1 = In Alarm
BI	11007	Comm Loss: Phase Protection Fault Input		Read	0 = Normal, 1 = In Alarm
BI	11008	Diagnostic: Energy Meter Write Value Failure		Read	0 = Normal, 1 = In Alarm
BI	11009	Diagnostic: Outdoor Air Temperature Sensor		Read	0 = Normal, 1 = In Alarm
BI	11010	Diagnostic: Phase Protection Fault		Read	0 = Normal, 1 = In Alarm
BI	11011	Diagnostic: Software Error 1001: Call Trane Service		Read	0 = Normal, 1 = In Alarm
BI	11012	Diagnostic: Software Error 1002: Call Trane Service		Read	0 = Normal, 1 = In Alarm
BI	11013	Diagnostic: Software Error 1003: Call Trane Service		Read	0 = Normal, 1 = In Alarm
BI	11014	Diagnostic: Pumpdown Terminated By Time - Ckt1		Read	0 = Normal, 1 = In Alarm
BI	11015	Diagnostic: Pumpdown Terminated By Time - Ckt2		Read	0 = Normal, 1 = In Alarm
BI	11016	Comm Loss: Discharge Pressure Transducer - Ckt1		Read	0 = Normal
BI	11017	Comm Loss: Discharge Pressure Transducer - Ckt2		Read	0 = Normal, 1 = In Alarm
BI	11018	Comm Loss: Discharge Temperature Sensor - Ckt1		Read	0 = Normal, 1 = In Alarm
BI	11019	Comm Loss: Discharge Temperature Sensor - Ckt2		Read	0 = Normal, 1 = In Alarm
BI	11020	Comm Loss: External Ckt1 Lockout		Read	0 = Normal, 1 = In Alarm
BI	11021	Comm Loss: External Ckt2 Lockout		Read	0 = Normal, 1 = In Alarm
BI	11022	Comm Loss: Reversing Valve - Ckt1		Read	0 = Normal, 1 = In Alarm
BI	11023	Comm Loss: Reversing Valve - Ckt2		Read	0 = Normal, 1 = In Alarm
BI	11024	Comm Loss: Suction Pressure Transducer - Ckt1		Read	0 = Normal, 1 = In Alarm
BI	11025	Comm Loss: Suction Pressure Transducer - Ckt2		Read	0 = Normal, 1 = In Alarm
BI	11026	Comm Loss: Suction Temperature - Ckt1		Read	0 = Normal, 1 = In Alarm
BI	11027	Comm Loss: Suction Temperature - Ckt2		Read	0 = Normal, 1 = In Alarm
BI	11028	Diagnostic: Discharge Pressure Transducer - Ckt1		Read	0 = Normal, 1 = In Alarm
BI	11029	Diagnostic: Discharge Pressure Transducer - Ckt2		Read	0 = Normal, 1 = In Alarm
BI	11030	Diagnostic: Discharge Temperature Sensor - Ckt1		Read	0 = Normal, 1 = In Alarm
BI	11031	Diagnostic: Discharge Temperature Sensor - Ckt2		Read	0 = Normal, 1 = In Alarm
BI	11032	Diagnostic: Suction Pressure Transducer - Ckt1		Read	0 = Normal, 1 = In Alarm
BI	11033	Diagnostic: Suction Pressure Transducer - Ckt2		Read	0 = Normal, 1 = In Alarm
BI	11034	Diagnostic: Suction Temperature Sensor - Ckt1		Read	0 = Normal, 1 = In Alarm
BI	11035	Diagnostic: Suction Temperature Sensor - Ckt2		Read	0 = Normal, 1 = In Alarm
BI	11036	Comm Loss: Subcooler Shutoff Valve Relay - Ckt1		Read	0 = Normal, 1 = In Alarm
BI	11037	Comm Loss: Subcooler Shutoff Valve Relay - Ckt2		Read	0 = Normal, 1 = In Alarm
BI	11038	Comm Loss: Receiver Fill Valve Relay - Ckt1		Read	0 = Normal, 1 = In Alarm
BI	11039	Comm Loss: Receiver Fill Valve Relay - Ckt2		Read	0 = Normal, 1 = In Alarm
BI	11040	Diagnostic: High Compressor Pressure Differential - Ckt1		Read	0 = Normal, 1 = In Alarm
BI	11041	Diagnostic: High Compressor Pressure Differential - Ckt2		Read	0 = Normal, 1 = In Alarm
BI	11042	Diagnostic: High Discharge Refrigerant Pressure - Ckt1		Read	0 = Normal, 1 = In Alarm
BI	11043	Diagnostic: High Discharge Refrigerant Pressure - Ckt2		Read	0 = Normal, 1 = In Alarm
BI	11044	Diagnostic: High Discharge Temperature - Ckt1		Read	0 = Normal, 1 = In Alarm
BI	11045	Diagnostic: High Discharge Temperature - Ckt2		Read	0 = Normal, 1 = In Alarm
BI	11046	Diagnostic: High Discharge Temperature Lockout - Ckt1		Read	0 = Normal, 1 = In Alarm
BI	11047	Diagnostic: High Discharge Temperature Lockout - Ckt2		Read	0 = Normal, 1 = In Alarm
BI	11048	Diagnostic: Loss of Charge - Ckt1		Read	0 = Normal, 1 = In Alarm
BI	11049	Diagnostic: Loss of Charge - Ckt2		Read	0 = Normal, 1 = In Alarm
BI	11050	Diagnostic: Low Discharge Saturated Temperature - Ckt1		Read	0 = Normal, 1 = In Alarm
BI	11051	Diagnostic: Low Discharge Saturated Temperature - Ckt2		Read	0 = Normal, 1 = In Alarm
BI	11052	Diagnostic: Low Refrigerant Temperature - Ckt1		Read	0 = Normal, 1 = In Alarm
BI	11053	Diagnostic: Low Refrigerant Temperature - Ckt2		Read	0 = Normal, 1 = In Alarm
BI	11054	Diagnostic: Low Suction Refrigerant Pressure - Ckt1		Read	0 = Normal, 1 = In Alarm
BI	11055	Diagnostic: Low Suction Refrigerant Pressure - Ckt2		Read	0 = Normal, 1 = In Alarm
BI	11056	Diagnostic: Low Suction Superheat - Ckt1		Read	0 = Normal, 1 = In Alarm
BI	11057	Diagnostic: Low Suction Superheat - Ckt2		Read	0 = Normal, 1 = In Alarm
BI	11058	Diagnostic: Suction Temperature Too High - Ckt1		Read	0 = Normal, 1 = In Alarm
BI	11059	Diagnostic: Suction Temperature Too High - Ckt2		Read	0 = Normal, 1 = In Alarm
BI	11060	Diagnostic: Very Low Suction Pressure - Circuit 1		Read	0 = Normal, 1 = In Alarm
BI	11061	Diagnostic: Very Low Suction Pressure - Circuit 2		Read	0 = Normal, 1 = In Alarm
BI	11062	Diagnostic: Low Differential Refrigerant Pressure - Ckt1		Read	0 = Normal, 1 = In Alarm
BI	11063	Diagnostic: Low Differential Refrigerant Pressure - Ckt2		Read	0 = Normal, 1 = In Alarm
BI	11064	Comm Loss: Compressor 1A Fault Input		Read	0 = Normal, 1 = In Alarm
BI	11065	Comm Loss: Compressor 1B Fault Input		Read	0 = Normal, 1 = In Alarm
BI	11066	Comm Loss: Compressor 1C Fault Input		Read	0 = Normal, 1 = In Alarm
BI	11067	Diagnostic: Compressor 1A Fault		Read	0 = Normal, 1 = In Alarm
BI	11068	Diagnostic: Compressor 1B Fault		Read	0 = Normal, 1 = In Alarm
BI	11069	Diagnostic: Compressor 1C Fault		Read	0 = Normal, 1 = In Alarm
BI	11070	Diagnostic: Compressor 1A Fault Lockout		Read	0 = Normal, 1 = In Alarm
BI	11071	Diagnostic: Compressor 1B Fault Lockout		Read	0 = Normal, 1 = In Alarm
BI	11072	Diagnostic: Compressor 1C Fault Lockout		Read	0 = Normal, 1 = In Alarm
BI	11073	Diagnostic: Starts/Hours Modified 1A		Read	0 = Normal, 1 = In Alarm
BI	11074	Diagnostic: Starts/Hours Modified 1B		Read	0 = Normal, 1 = In Alarm
BI	11075	Diagnostic: Starts/Hours Modified 1C		Read	0 = Normal, 1 = In Alarm
BI	11076	Comm Loss: Compressor 2A Fault Input		Read	0 = Normal, 1 = In Alarm
BI	11077	Comm Loss: Compressor 2B Fault Input		Read	0 = Normal, 1 = In Alarm
BI	11078	Comm Loss: Compressor 2C Fault Input		Read	0 = Normal, 1 = In Alarm
BI	11079	Diagnostic: Compressor 2A Fault		Read	0 = Normal, 1 = In Alarm
BI	11080	Diagnostic: Compressor 2B Fault		Read	0 = Normal, 1 = In Alarm
BI	11081	Diagnostic: Compressor 2C Fault		Read	0 = Normal, 1 = In Alarm
BI	11082	Diagnostic: Compressor 2A Fault Lockout		Read	0 = Normal, 1 = In Alarm
BI	11083	Diagnostic: Compressor 2B Fault Lockout		Read	0 = Normal, 1 = In Alarm
BI	11084	Diagnostic: Compressor 2C Fault Lockout		Read	0 = Normal, 1 = In Alarm
BI	11085	Diagnostic: Starts/Hours Modified 2A		Read	0 = Normal, 1 = In Alarm
BI	11086	Diagnostic: Starts/Hours Modified 2B		Read	0 = Normal, 1 = In Alarm
BI	11087	Diagnostic: Starts/Hours Modified 2C		Read	0 = Normal, 1 = In Alarm
BI	11088	Comm Loss: High Pressure Cutout Switch - Ckt1		Read	0 = Normal, 1 = In Alarm
BI	11089	Comm Loss: High Pressure Cutout Switch - Ckt2		Read	0 = Normal, 1 = In Alarm
BI	11090	Diagnostic: High Pressure Cutout - Ckt1		Read	0 = Normal, 1 = In Alarm
BI	11091	Diagnostic: High Pressure Cutout - Ckt2		Read	0 = Normal, 1 = In Alarm
BI	11092	Comm Loss: Evaporator Antifreeze Heater		Read	0 = Normal, 1 = In Alarm
BI	11093	Diagnostic: Evaporator Water Flow Lost		Read	0 = Normal, 1 = In Alarm
BI	11094	Diagnostic: Evaporator Water Flow Lost Lockout		Read	0 = Normal, 1 = In Alarm
BI	11095	Diagnostic: Evaporator Water Flow Overdue		Read	0 = Normal, 1 = In Alarm
BI	11096	Diagnostic: High Evaporator Water Temperature		Read	0 = Normal, 1 = In Alarm
BI	11097	Diagnostic: High Suction Rfgt Pressure		Read	0 = Normal, 1 = In Alarm
BI	11098	Diagnostic: Inverted Evaporator Water Temperature		Read	0 = Normal, 1 = In Alarm
BI	11099	Diagnostic: Inverted Water Temp (Heating)		Read	0 = Normal, 1 = In Alarm
BI	11100	Diagnostic: Low Evaporator Water Temp (Unit On)		Read	0 = Normal, 1 = In Alarm
BI	11101	Diagnostic: Low Evaporator Water Temp (Unit Off)		Read	0 = Normal, 1 = In Alarm
BI	11102	Comm Loss: Evap Entering Water Temp		Read	0 = Normal, 1 = In Alarm
BI	11103	Comm Loss: Evap Leaving Water Temp		Read	0 = Normal, 1 = In Alarm
BI	11104	Comm Loss: Evaporator Water Flow Switch		Read	0 = Normal, 1 = In Alarm
BI	11105	Diagnostic: Evaporator Entering Water Temp Sensor		Read	0 = Normal, 1 = In Alarm
BI	11106	Diagnostic: Evaporator Leaving Water Temp Sensor		Read	0 = Normal, 1 = In Alarm
BI	11107	Comm Loss: Cooling EXV - Ckt1		Read	0 = Normal, 1 = In Alarm
BI	11108	Comm Loss: Cooling EXV - Ckt2		Read	0 = Normal, 1 = In Alarm
BI	11109	Comm Loss: Electronic Expansion Valve - Ckt1		Read	0 = Normal, 1 = In Alarm
BI	11110	Comm Loss: Electronic Expansion Valve - Ckt2		Read	0 = Normal, 1 = In Alarm
BI	11111	Comm Loss: Heating EXV - Ckt1		Read	0 = Normal, 1 = In Alarm
BI	11112	Comm Loss: Heating EXV - Ckt2		Read	0 = Normal, 1 = In Alarm
BI	11113	Comm Loss: Auxiliary Setpoint Command		Read	0 = Normal, 1 = In Alarm
BI	11114	Comm Loss: Emergency Stop Feedback Input		Read	0 = Normal, 1 = In Alarm
BI	11115	Comm Loss: Ext Chilled/Hot Water Setpoint		Read	0 = Normal, 1 = In Alarm
BI	11116	Comm Loss: Ext Noise Reduction Request		Read	0 = Normal, 1 = In Alarm
BI	11117	Comm Loss: External Auto/Stop		Read	0 = Normal, 1 = In Alarm
BI	11118	Comm Loss: Ext Demand Limit Setpoint		Read	0 = Normal, 1 = In Alarm
BI	11119	Comm Loss: External Hot Water Command		Read	0 = Normal, 1 = In Alarm
BI	11120	Comm Loss: Programmable Relay Board 1		Read	0 = Normal, 1 = In Alarm
BI	11122	Diagnostic: Emergency Stop Feedback Input		Read	0 = Normal, 1 = In Alarm
BI	11123	Diagnostic: External Chilled/Hot Water Setpoint		Read	0 = Normal, 1 = In Alarm
BI	11124	Diagnostic: External Demand Limit Setpoint		Read	0 = Normal, 1 = In Alarm
BI	11125	Comm Loss: Condenser Fan Enable - Ckt1		Read	0 = Normal, 1 = In Alarm
BI	11126	Comm Loss: Condenser Fan Enable - Ckt2		Read	0 = Normal, 1 = In Alarm
BI	11127	Comm Loss: Condenser Fan Fault - Ckt1		Read	0 = Normal, 1 = In Alarm
BI	11128	Comm Loss: Condenser Fan Fault - Ckt2		Read	0 = Normal, 1 = In Alarm
BI	11129	Comm Loss: Fan Inverter Speed Command - Ckt1		Read	0 = Normal, 1 = In Alarm
BI	11130	Comm Loss: Fan Inverter Speed Command - Ckt2		Read	0 = Normal, 1 = In Alarm
BI	11131	Diagnostic: Condenser Fan Fault - Ckt1		Read	0 = Normal, 1 = In Alarm
BI	11132	Diagnostic: Condenser Fan Fault - Ckt2		Read	0 = Normal, 1 = In Alarm
BI	11133	Comm Loss: Comm Loss: Fan Inverter Fault - Ckt1		Read	0 = Normal, 1 = In Alarm
BI	11134	Comm Loss: Comm Loss: Fan Inverter Fault - Ckt2		Read	0 = Normal, 1 = In Alarm
BI	11135	Diagnostic: Fan Inverter Fault - Ckt1		Read	0 = Normal, 1 = In Alarm
BI	11136	Diagnostic: Fan Inverter Fault - Ckt2		Read	0 = Normal, 1 = In Alarm
BI	11137	Comm Loss: Noise Reduction Request Relay		Read	0 = Normal, 1 = In Alarm
BI	11140	Comm Loss: Heat Recovery Entering Water Temperature		Read	0 = Normal, 1 = In Alarm
BI	11141	Comm Loss: Heat Recovery Leaving Water Temperature		Read	0 = Normal, 1 = In Alarm
BI	11144	Diagnostic: Heat Recovery Entering Water Temp Sensor		Read	0 = Normal, 1 = In Alarm
BI	11145	Diagnostic: Heat Recovery Leaving Water Temp Sensor		Read	0 = Normal, 1 = In Alarm
BI	11147	Diagnostic: No Partial Heat Recovery - Ckt1		Read	0 = Normal, 1 = In Alarm
BI	11148	Diagnostic: No Partial Heat Recovery - Ckt2		Read	0 = Normal, 1 = In Alarm
BI	11149	Comm Loss: External Ice Building Command		Read	0 = Normal, 1 = In Alarm
BI	11156	Comm Loss: Run Command Compressor 1A		Read	0 = Normal, 1 = In Alarm
BI	11157	Comm Loss: Run Command Compressor 1B		Read	0 = Normal, 1 = In Alarm
BI	11158	Comm Loss: Run Command Compressor 1C		Read	0 = Normal, 1 = In Alarm
BI	11159	Comm Loss: Run Command Compressor 2A		Read	0 = Normal, 1 = In Alarm
BI	11160	Comm Loss: Run Command Compressor 2B		Read	0 = Normal, 1 = In Alarm
BI	11161	Comm Loss: Run Command Compressor 2C		Read	0 = Normal, 1 = In Alarm
BI	11162	Diagnostic: MP: Invalid Configuration		Read	0 = Normal, 1 = In Alarm
BI	11163	Diagnostic: MP: Reset Has Occurred		Read	0 = Normal, 1 = In Alarm
BI	11164	Comm Loss: Evap Pump Inv1 Fault Input		Read	0 = Normal, 1 = In Alarm
BI	11165	Comm Loss: Evap Pump Inv1 Freq Feedback		Read	0 = Normal, 1 = In Alarm
BI	11166	Comm Loss: Evap Pump Inv1 Run Command		Read	0 = Normal, 1 = In Alarm
BI	11167	Comm Loss: Evaporator Pump 1 Fault Input		Read	0 = Normal, 1 = In Alarm
BI	11168	Comm Loss: Evaporator Pump 2 Fault Input		Read	0 = Normal, 1 = In Alarm
BI	11169	Comm Loss: Evaporator Water Pump 1 Relay		Read	0 = Normal, 1 = In Alarm
BI	11170	Comm Loss: Evaporator Water Pump 2 Relay		Read	0 = Normal, 1 = In Alarm
BI	11171	Diagnostic: Evaporator Pump 1 Starts/Hours Modified		Read	0 = Normal, 1 = In Alarm
BI	11172	Diagnostic: Evaporator Pump 2 Starts/Hours Modified		Read	0 = Normal, 1 = In Alarm
BI	11173	Diagnostic: Evaporator Pump 1 Fault		Read	0 = Normal, 1 = In Alarm
BI	11174	Diagnostic: Evaporator Pump 2 Fault		Read	0 = Normal, 1 = In Alarm
BI	11175	Diagnostic: Evaporator Water Flow Lost - Pump1		Read	0 = Normal, 1 = In Alarm
BI	11176	Diagnostic: Evaporator Water Flow Lost - Pump2		Read	0 = Normal, 1 = In Alarm
BI	11177	Diagnostic: Evaporator Water Flow Overdue - Pump1		Read	0 = Normal, 1 = In Alarm
BI	11178	Diagnostic: Evaporator Water Flow Overdue - Pump2		Read	0 = Normal, 1 = In Alarm
BI	11179	Diagnostic: Evaporator Water Flow Too Low		Read	0 = Normal, 1 = In Alarm
BI	11180	Diagnostic: Power Factor Correction Fault		Read	0 = Normal, 1 = In Alarm
BI	11181	Comm Loss: Power Factor Correction Fault Input		Read	0 = Normal, 1 = In Alarm
BV	10100	Reset Diagnostic		Write	0 = Normal, 1 = Reset
BV	10101	Noise Reduction Request BAS		Write	0 = Normal, 1 = Reduce Noise
BV	10102	Heat Recovery Request		Write	0 = Off, 1 = On
BV	10103	Energy Consumption Reset		Write	0 = Accumulating, 1 = Reset
BV	10104	Circuit 1 Lockout BAS		Write	0 = Normal, 1 = Locked Out
BV	10105	Circuit 2 Lockout BAS		Write	0 = Normal, 1 = Locked Out
BVmin	10106	Chiller Auto Stop Command BAS		Write	0 = Stop, 1 = Auto
MI	10100	Running Mode		Read	1 = Chiller Off, 2 = Chiller In Start Mode, 3 = Chiller In Run Mode, 4 = Chiller In Pre-Shutdown Mode, 5 = Chiller In Service Mode
MI	10101	Operating Mode		Read	1 = Cool, 2 = Heat, 3 = Ice Making, 4 = Free Cooling
MI	10102	Chiller Setpoint Source		Read	1 = BAS, 2 = External, 3 = Front Panel
MI	10103	Refrigerant Type		Read	1 = R-11, 2 = R-12, 3= R-22, 4= R-123, 5 = R-134a, 6 = R-407C, 7 = R-410A, 8 = R-113, 9 = R-114, 10 = R-500, 11 = R-502, 12 = R-404A, 13 = R-513A, 14 = R-1233zd(e), 15 = R-514A, 16 = R-1234ze(e), 17 = R-454B, 18 = R-515B
MI	10104	Cooling Type		Read	1 = Water Cooled, 2 = Air Cooled
MI	10105	Manufacturing Location		Read	1 = Field Applied, 2= La Crosse, 3 = Pueblo, 4 = Charmes, 5 = Rushville, 6 = Macon, 7 = Waco, 8 = Lexington, 9 = Forsyth, 10 = Clarksville, 11 = Ft. Smith, 12 = Penang, 13 = Colchester, 14 = Curitiba, 15 = Taicang, 16 = Taiwan, 17 = Epinal, 18 = Golbey, 19 = Bari
MI	10106	Model Information GEN2		Read	1 = CVHF, 2 = CVGF, 3= CVHS, 4= RTAE, 5 = RTAF, 6 = RTHA, 7 = RTHB, 8 = RTHC, 9 = RTHD, 10 = RTWE, 11 = CTVD, 12 = CVR, 13 = CVHH, 14 = CDHH, 15 = VMAX, 16 = GVAF, 17 = RTWF, 18 = RTHF, 19 = RTAC, 20 = CVHM, 21 = RTAG, 22 = CGAF, 23 = RTXG, 24 = GVWF, 25 = HDWA, 26 = CMAC, 27 = IPAK, 28 = CXAF, 29 = ACSA, 30 = RTSF, 31 = HSWA, 32 = ACRA, 33 = RTEG, 34 = AXCA, 35 = CMAF, 36 = ACRB Large, 37 = ACRB Small, 38 = CVHE, 39 = CVHG, 40 = CVHL, 41 = RTWF XSE, 42 = CGWF, 43 = CDHG, 44 = ACCA, 45 = RTWD, 46 = RTUD, 47 = CXWF, 48 = CCUF, 49 = RTHG, 50 = CGAM, 51 = CXAM
MVmin	10100	Chiller Mode Command BAS		Write	1 = Cool, 2 = Heat, 3 = Ice Making, 4 = Free Cooling

Integration notes

Only the points that apply to the unit's factory configuration show up; the doc lists every possible point.
The chiller tables have no read/write column: AI/BI/MI are read-only, and AV/BV/MV are the BAS command and setpoint objects, marked writable here per Trane's naming convention.
Units are listed as a quantity (Temperature, Pressure, Percent...); the communicated engineering unit follows the factory-configured unit system (I-P or SI), not the web UI display setting.
Binary inputs named 'Diagnostic: ...' are individual alarm flags (0/false = normal, 1/true = in alarm).
The Symbio 800 integration guide (BAS-SVP083) covers BACnet IP and BACnet MS/TP; the rotary address sets the MS/TP MAC and a default Device ID of 1-127, and a software Device ID can be set instead.
The same document also maps every object to a Modbus register; only the BACnet side is listed here.
Trane also publishes a separate list titled 'CGAM (CH530)' (BAS-PTS027) with short instance numbers; check which list matches the controller on site.

Check it against the live device. A points list tells you what the controller can expose; the unit in front of you may differ by firmware or installed options. Easy BACnet scans a network for BACnet IP devices from an Android phone, reads every object on the Symbio 800 CGAM and exports what it actually has to Excel — free. New to BACnet? Start with what a BACnet points list is and what the object types mean.

Questions about the Trane Symbio 800 CGAM

How many BACnet points does the Trane Symbio 800 CGAM have?

This list has 301 BACnet objects: 73 analog inputs, 4 analog values, 209 binary inputs, 7 binary values, 7 multi-state inputs, 1 multi-state value. The exact set on a given unit depends on its firmware, installed options and configuration.

Which Trane Symbio 800 CGAM BACnet points are writable?

12 of the 301 objects accept a write. Points marked Command have a priority array: a write holds until it is released, so release it back to automatic when you are done. The source has no read/write column, so this is inferred from object type.

Where is the official Trane Symbio 800 CGAM BACnet documentation?

The source is Symbio 800 Integration Points List BACnet - CGAM (BAS-PTS019A-EN), revision 11/15/2024, published free by Trane at https://elibrary.tranetechnologies.com/public/commercial-hvac/Literature/Points%20List/BAS-PTS019A-EN_11152024.pdf.

What are the minimum BACnet points to integrate the Trane Symbio 800 CGAM?

Start with BV 10106 Chiller Auto Stop Command BAS (BMS auto/stop (enable) command); MV 10100 Chiller Mode Command BAS (Cool/heat/ice/free-cooling mode command); AV 10100 Chilled Water Setpoint (Chilled water setpoint from the BMS); AV 10101 Demand Limit Setpoint (Capacity (demand) limit from the BMS); BI 10114 Chiller Running State (Chiller on/off status); BI 10106 Local Setpoint Control (Shows if local setpoints override BAS setpoints); AI 10101 Evaporator Leaving Water Temperature (Leaving chilled water temperature); AI 10126 Actual Running Capacity (Actual running capacity in percent); BI 10123 Diagnostic Present (Any active diagnostic (alarm) on the chiller).

How do I enable BMS control of the Trane Symbio 800 CGAM?

How do I check these points on the real Symbio 800 CGAM?

Scan the network with a BACnet IP browser such as Easy BACnet, open the device and compare its object list with this table. Anything missing is usually an option that isn't installed or a point that is disabled in the controller's configuration.

More Trane BACnet points lists

Source: Symbio 800 Integration Points List BACnet - CGAM · BAS-PTS019A-EN · rev. 11/15/2024. Object names, instances and units are reproduced as published; descriptions are our own.

Trane Symbio 800 CGAM BACnet points list

BMS integration notes: Trane Symbio 800 CGAM

Minimum points to map

Enable & remote start

Network setup

Watch out for

Trane Symbio 800 CGAM BACnet objects

Integration notes

Questions about the Trane Symbio 800 CGAM

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