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BZ424-LX configurable VAV controller (Onyxx LX)

VAV box controller · BACnet points list

Lynxspring BZ424-LX configurable VAV controller (Onyxx LX) BACnet points list

Updated 12 November 2026Unofficial source

Short answer

The BZ424-LX is the larger configurable VAV controller in the Onyxx LX range, with four universal inputs, two analog and four binary outputs and an integrated damper actuator and airflow sensor. Its fixed BACnet MS/TP map covers airflow and damper control, zone setpoints for up to three zones, humidity, CO2 and dewpoint/condensation logic, five auxiliary outputs, PID loops and configuration multi-states.

This page lists 127 BACnet objects for the Lynxspring BZ424-LX configurable VAV controller (Onyxx LX) — 80 of them writable — with each object’s type, instance number, name, engineering units and access. It is re-typed from a copy of Lynxspring’s documentation hosted by Cochrane Supply, not by Lynxspring itself, so treat it as unofficial.

Manufacturer: Lynxspring
Model: BZ424-LX configurable VAV controller (Onyxx LX)
Equipment: VAV box controller
Equipment type: VAV boxes & fan coils
BACnet objects: 127 (80 writable)
Transport: BACnet MS/TP
Firmware: Not stated
Also known as: BZ424-LX, BZ424, Onyxx LX BZ424, Onyxx LX VAV controller 4 UI
Source document: BZ424-LX Configurable VAV MS/TP - Installation and Wiring Guide (unofficial copy, hosted by Cochrane Supply)

Download CSV 127 rows Download EDE B.I.G.-EU JSON Source PDF (unofficial copy) ↗ Compare with your scan Download Easy BACnet Mobile App Google Play

Reference only, provided as-is: verify against Lynxspring’s current documentation and the live device before use. Not official Lynxspring information. Terms of use.

BMS integration notes: Lynxspring BZ424-LX configurable VAV controller (Onyxx LX)

Integration in brief

Set the address and baud on the DIP switches, configure box type, airflow limits, inputs and auxiliary outputs, then drive occupancy with BV 3 and set the occupied setpoints. Read room temperature, airflow, damper position, occupancy mode and the condensation status.

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 3	OccSched	Occupancy schedule (Day = occupied)	Write
AV 12	RTSPclg_Occ	Occupied cooling setpoint	Write
AV 13	RTSPhtg_Occ	Occupied heating setpoint	Write
MV 24	OccMode	Occupancy mode	Read
AV 41	RoomT	Room temperature	Read
AI 4	zAirFlow	Measured airflow	Read
AV 2	zActiveFlowSP	Active airflow setpoint	Read
AO 2	zActMod	Damper position, %	Read
BV 5	Cond_Status	Condensation detected	Read
AV 39	ValidationErr	Configuration error code (0 = none)	Read

Network setup

MS/TP address is set on DIP switch bank DS2 (1-127); baud on DS1: 010 = 9600, 110 = 19200, 001 = 38400, 011 = 76800.
An EOL jumper terminates the MS/TP trunk on the last controller; a second jumper terminates the TZ sensor bus.
Firmware updates use a USB-COM adapter or a USB to MS/TP converter cable.

Watch out for

K-factor (AV 30) and duct area (AV 31) must match the box for airflow to read right.
BV 10 saves objects to flash and restarts the controller; do not write it cyclically.

Lynxspring BZ424-LX configurable VAV controller (Onyxx LX) 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.

127 of 127 shown

Type

BinaryMulti-stateOther

Access

Units

Show

Lynxspring BZ424-LX configurable VAV controller (Onyxx LX) BACnet Points List
			Description			States
AI	0	AI_1	Analog input 1		Read
AI	1	AI_2	Analog input 2		Read
AI	2	AI_3	Analog input 3		Read
AI	3	AI_4	Analog input 4		Read
AImin	4	zAirFlow	Air flow sensor		Read
AO	0	AO_1	Analog output 1	%	Read
AO	1	AO_2	Analog output 2	%	Read
AOmin	2	zActMod	Damper Actuator (modulating)	%	Read
AO	3	BO_1	Binary output 1		Read
AO	4	BO_2	Binary output 2		Read	0=Off, 1=On
AO	5	BO_3	Binary output 3		Read
AO	6	BO_4	Binary output 4		Read
AV	0	zRunTime	Running time of the actuator(floating)	s	Write
AV	1	zDeadband	Deadbandof the actuator	%	Write
AVmin	2	zActiveFlowSP	Active flow setpoint		Read
AV	3	MaxAFpos	Maximum airflow (or position)		Write
AV	4	MinAFpos	Minmum airflow (or position)		Write
AV	5	MinAFpos_Htg	Min. AF (or position) @ 100% heating		Write
AV	6	MinAFpos_Clg	Min. AF (or position) @ 100% cooling		Write
AV	10	RTSPmin_Occ	Minimum Room temp. setpoint	°F	Write
AV	11	RTSPmax_Occ	Maximum Room temp. setpoint	°F	Write
AVmin	12	RTSPclg_Occ	Room temp. cooling setpoint, occupied	°F	Write
AVmin	13	RTSPhtg_Occ	Room temp. heating setpoint, occupied	°F	Write
AV	14	RTSP_DeadBand	RTSPdeadbandbetween Clg and Htg	°F	Write
AV	15	RTSPclg_Unocc	Room temp. cooling setpoint, unoccupied	°F	Write
AV	16	RTSPhtg_Unocc	Room temp. heating setpoint, unoccupied	°F	Write
AV	17	RTSPclg_STBdt	Standby mode, RTSP clg offset (pos.)	°F	Write
AV	18	RTSPhtg_STBdt	Standby mode, RTSPhtg offset (neg.)	°F	Write
AV	19	ActiveRTSP_Clg	Active cooling room temp. setpoint		Read
AV	20	ActiveRTSP_Htg	Active heating room temp. setpoint		Read
AV	21	DSHL_SP	Downstream high limit setpoint	°F	Write
AV	22	DSLL_SP	Downstream low limit setpoint	°F	Write
AV	23	ChOver_SP	ChOver temp. SP (constant or RoomT+X)	°F	Write
AV	25	Calib_RoomT	Room temp. calibration	°F	Write
AV	26	Calib_RoomSP	Room temp. Setpoint calibration	°F	Write
AV	27	Calib_usT	Upstream temp. calibration	°F	Write
AV	28	Calib_dsT	Downstream temp. calibration	°F	Write
AV	30	K_Factor	Constantfrom Pitot characteristics		Write
AV	31	DuctArea	Duct area		Write
AV	33	MinOffTime_Htg	Minimum OFF time, heating (BO)	s	Write
AV	34	MinOffTime_Clg	Minimum OFF time, cooling (BO)	s	Write
AV	35	MotionTime	Motion sensor active time	min	Write
AV	36	OvrTime	Occupancyoverride active time	min	Write
AV	37	MaxPower	Maximum power allowed	%	Write
AV	38	OvrRemainTime	Override remaining time	s	Read
AVmin	39	ValidationErr	0 = no error		Read
AVmin	41	RoomT	Room Temperature	°F	Read
AV	42	RoomSP	Room Temperature Setpoint	°F	Write
AV	43	USsupplyT	Upstream supply temp. (from main fan)	°F	Read
AV	44	DSsupplyT	Downstream supply temp. (after reheat)	°F	Read
AV	46	AuxA_Out	Auxiliary output A	%	Read
AV	47	AuxB_Out	Auxiliary output B	%	Read
AV	48	AuxC_Out	Auxiliary output C	%	Read
AV	49	AuxD_Out	Auxiliary output D, (Tzone #2)	%	Read
AV	50	AuxE_Out	Auxiliary output E, (Tzone #3)	%	Read
AV	52	EncodedVal1	Internal Use		Read
AV	53	EncodedVal2	Internal Use		Read
AV	55	ActiveTz2SPHtg	Active heating Tzone #2 setpoint		Write
AV	56	ActiveTz2SPClg	Active cooling Tzone #2 setpoint		Write
AV	57	ActiveTz3SPHtg	Active heating Tzone #3 setpoint		Write
AV	58	ActiveTz3SPClg	Active cooling Tzone #3 setpoint		Write
AV	64	RoomRH	Room relative humidity	%	Read
AV	65	RoomCO2	Room carbin dioxide (CO2)	ppm	Read
AV	66	RoomCO2SP	Room CO2 Setpoint	ppm	Write
AV	67	RoomCO2Dem	Room CO2 demand	%	Read
AV	68	DewPtHL	Dewpoint Temperature High Limit	°F	Write
AV	69	DewPtLL	Dewpoint Temperature Low Limit	°F	Write
AV	70	DewPoint	Dewpoint Calculated Temperature	°F	Read
AV	71	DewPtOffset	Dewpoint Offset to close cooling valve	°F	Read
AV	72	Chillwater	Chilled Water Reading	°F	Read
BV	0	ActRotation	Actuatorrotation direction		Write	0=Direct, 1=Reverse
BV	1	FanStatus	FanStatus		Read	0=Off, 1=On
BV	2	DewPtHL	Dewpoint Temperature High Limit		Write	0=32°F (0°C), 1=122°F (50°C)
BVmin	3	OccSched	Occupancy schedule		Write	0=Night, 1=Day
BV	4	OvrStatus	Occupancyoverride status		Read	0=Inactive, 1=Active
BVmin	5	Cond_Status	Condensation Status from input		Read	0=Normal, 1=Detected
BV	10	SaveAndRestart	Saves Objects to Flash and restart		Write	0=Off, 1=On
MV	1	Units_Type	Units configuration (temp. & Airflow)		Write	1=°F, CFM, 2=°C, CFM, 3=°F, LS, 4=°C, LS
MV	2	Tstor10K_Type	Thermistors type (std type 3 or type 2)		Write	1=Type 3 (std), 2=Type 2
MV	4	AuxA_Loc	Auxiliary output A physical location		Write	1=None, 2=AO-1, 3=AO-2, 4=BO-1, 5=BO-2, 6=BO-3, 7=BO-4, 8=Float BO-1,2
MV	5	AuxA_Type	Auxiliary output A control type		Write	1=None, 2=Elect. Reheat, 3=Water Reheat, 4=Elect. Bboard, 5=Water Bboard, 6=DX Cool, 7=Water Cool
MV	6	AuxA_Formula	Auxiliary output A formula		Write	1=0-10 VDC, Dir., 2=0-10 VDC, Rev., 3=2-10 VDC, Dir., 4=2-10 VDC, Rev, 5=On-Off, 6=Pulse, Dir., 7=Pulse, Rev.
MV	7	AuxA_Auto	Auxiliary output A authorization		Write	1=Never, 2=Always, 3=FanStatus, 4=MaxPower, 5=Fan+MaxPwr
MV	8	AuxB_Loc	Auxiliary output B physical location		Write	1=None, 2=AO-1, 3=AO-2, 4=BO-1, 5=BO-2, 6=BO-3, 7=BO-4, 8=Float BO-1,2
MV	9	AuxB_Type	Auxiliary output B control type		Write	1=None, 2=Elect. Reheat, 3=Water Reheat, 4=Elect. Bboard, 5=Water Bboard, 6=DX Cool, 7=Water Cool
MV	10	AuxB_Formula	Auxiliary output B formula		Write	1=0-10 VDC, Dir., 2=0-10 VDC, Rev., 3=2-10 VDC, Dir., 4=2-10 VDC, Rev, 5=On-Off, 6=Pulse, Dir., 7=Pulse, Rev.
MV	11	AuxB_Auto	Auxiliary output B authorization		Write	1=Never, 2=Always, 3=FanStatus, 4=MaxPower, 5=Fan+MaxPwr
MV	12	AuxC_Loc	Auxiliary output C physical location		Write	1=None, 2=AO-1, 3=AO-2, 4=BO-1, 5=BO-2, 6=BO-3, 7=BO-4, 8=Float BO-1,2
MV	13	AuxC_Type	Auxiliary output C control type		Write	1=None, 2=Elect. Reheat, 3=Water Reheat, 4=Elect. Bboard, 5=Water Bboard, 6=DX Cool, 7=Water Cool, 8=Parallel Fan, 9=Series Fan
MV	14	AuxC_Formula	Auxiliary output C formula		Write	1=0-10 VDC, Dir., 2=0-10 VDC, Rev., 3=2-10 VDC, Dir., 4=2-10 VDC, Rev, 5=On-Off, 6=Pulse, Dir., 7=Pulse, Rev.
MV	15	AuxC_Auto	Auxiliary output C authorization		Write	1=Never, 2=Always, 3=FanStatus, 4=MaxPower, 5=Fan+MaxPwr
MV	17	RoomT_Loc	Room temp.physical location		Write	1=None, 2=AI-1, 3=AI-2, 4=AI-3, 5=AI-4, 6=Tzone, 7=External, 8=AI-1 (Trane), 9=AI-2 (Trane)
MV	18	RoomSP_Loc	Room setpoint location (occupied)		Write	1=None, 2=AI-1, 3=AI-2, 4=AI-3, 5=AI-4, 6=Tzone, 7=External, 8=AI-1 (Trane), 9=AI-2 (Trane)
MV	19	USsupplyT_Loc	Upstream supply temp. loc. (from main fan)		Write	As printed: None; AI-1, AI-2, AI-3 or AI-4; External
MV	20	DSsupplyT_Loc	Downstream supply temp. loc (after reheat)		Write	As printed: None; AI-1, AI-2, AI-3 or AI-4
MV	21	FanStatus_Loc	Fan status location		Write	As printed: None; AI-1(BI), AI-2(BI), AI-3(BI) or AI-1(BI); External
MV	22	Motion_Loc	Motion sensor location		Write	As printed: None; NO, AI-1 (BI) / NC, AI-1 (BI) / NO, AI-2 (BI) / NC, AI-2 (BI); NO, AI-3 (BI) / NC, AI-3 (BI) / NO, AI-4 (BI) / NC, AI-4 (BI); External
MV	23	Sched_Loc	Scheduler location		Write	As printed: None; AI-1(BI), AI-2(BI), AI-3(BI) or AI-4(BI); External
MVmin	24	OccMode	Occupancy mode		Read	1=Unoccupied, 2=Occupied, 3=Standby
MV	25	ChOver_Type	Changeover type		Write	1=None, 2=Constant, 3=RoomT°+Offset
MV	26	HtgClgMode	Heating/cooling mode		Write	1=Heat, 2=Cool, 3=Unused
MV	27	VAV_Type	VAV box type (dependent/independent)		Write	1=Dependent, 2=Independent, 3=Unused
MV	29	CoolingWeight	Cooling Weight in demand calculation		Write	1=0 to 10
MV	30	HeatingWeight	Heating Weight in demand calculation		Write	1=0 to 10
MV	34	TzControlMode	Control mode with multiple Tzone		Write	1=Tzone1, 2=Tzone2, 3=Tzone3, 4=Average, 5=Maximum Htg., 6=Maximum Clg.
MV	35	AuxD_Loc	Auxiliary output D physical location		Write	1=None, 2=AO-1, 3=AO-2, 4=BO-1, 5=BO-2, 6=BO-3, 7=BO-4, 8=Float BO-1,2
MV	36	AuxD_Type	Auxiliary output D control type		Write	1=None, 2=Elect. Reheat, 3=Water Reheat, 4=Elect. Bboard, 5=Water Bboard, 6=DX Cool, 7=Water Cool
MV	37	AuxD_Formula	Auxiliary output D formula		Write	1=0-10 VDC, Dir., 2=0-10 VDC, Rev., 3=2-10 VDC, Dir., 4=2-10 VDC, Rev, 5=On-Off, 6=Pulse, Dir., 7=Pulse, Rev.
MV	38	AuxD_Auto	Auxiliary output D authorization		Write	1=Never, 2=Always, 3=FanStatus, 4=MaxPower, 5=Fan+MaxPwr
MV	39	AuxE_Loc	Auxiliary output Ephysical location		Write	1=None, 2=AO-1, 3=AO-2, 4=BO-1, 5=BO-2, 6=BO-3, 7=BO-4, 8=Float BO-1,2
MV	40	AuxE_Type	Auxiliary output Econtrol type		Write	1=None, 2=Elect. Reheat, 3=Water Reheat, 4=Elect. Bboard, 5=Water Bboard, 6=DX Cool, 7=Water Cool
MV	41	AuxE_Formula	Auxiliary output Eformula		Write	1=0-10 VDC, Dir., 2=0-10 VDC, Rev., 3=2-10 VDC, Dir., 4=2-10 VDC, Rev, 5=On-Off, 6=Pulse, Dir., 7=Pulse, Rev.
MV	42	AuxE_Auto	Auxiliary output E authorization		Write	1=Never, 2=Always, 3=FanStatus, 4=MaxPower, 5=Fan+MaxPwr
MV	43	Cond_Loc	Condensation detection input Location		Write	1=None, 2=AI-1, 3=AI-2, 4=AI-3, 5=AI-4
MV	62	RoomTSPType	Room Temp Setpoint Type(in Occupied)		Write	1=Heating, 2=Central, 3=Cooling
MV	70	ChillWaterLoc	Chill Water Input Location		Write	1=None, 2=AI-1, 3=AI-2, 4=AI-3, 5=AI-4, 6=External
MV	71	HumLoc	Humidity reading Location		Write	1=None, 2=Tzone(s), 3=External
MV	72	TimedOvrStatus	Timed Override Status		Read	1=Idle, 2=TimedOvrRequest, 3=TimedOvrCancel
LO	0	zPidFlow	Flow control PID loop (Reverse acting, Kp 0.3, Ki 0.01, bias 50)		Read
LO	1	PidRoomT_Clg	Room temp. control loop, cooling (Direct acting, Kp 20, Ki 0.05, bias 0)		Read
LO	2	PidRoomT_Htg	Room temp. control loop, heating (Reverse acting, Kp 20, Ki 0.05, bias 0)		Read
LO	3	PidHL_DST	Downstream high limit control loop (Reverse acting, Kp 5, Ki 0.1, bias 50)		Read
LO	4	PidLL_DST	Downstream low limit control loop (Direct acting, Kp 5, Ki 0.1, bias 50)		Read
LO	6	PidRoomTz2_Clg	Room temp. control loop, cooling (Direct acting, Kp 20, Ki 0.05, bias 0)		Read
LO	7	PidRoomTz2_Htg	Room temp. control loop, heating (Reverse acting, Kp 20, Ki 0.05, bias 0)		Read
LO	8	PidRoomTz3_Clg	Room temp. control loop, cooling (Direct acting, Kp 20, Ki 0.05, bias 0)		Read
LO	9	PidRoomTz3_Htg	Room temp. control loop, heating (Reverse acting, Kp 20, Ki 0.05, bias 0)		Read

Object ID lookup: Lynxspring BZ424-LX configurable VAV controller point IDs by name

AI0AI_1
AI1AI_2
AI2AI_3
AI3AI_4
AI4zAirFlow
AO0AO_1
AO1AO_2
AO2zActMod
AO3BO_1
AO4BO_2
AO5BO_3
AO6BO_4
AV0zRunTime
AV1zDeadband
AV2zActiveFlowSP
AV3MaxAFpos
AV4MinAFpos
AV5MinAFpos_Htg
AV6MinAFpos_Clg
AV10RTSPmin_Occ
AV11RTSPmax_Occ
AV12RTSPclg_Occ
AV13RTSPhtg_Occ
AV14RTSP_DeadBand
AV15RTSPclg_Unocc
AV16RTSPhtg_Unocc
AV17RTSPclg_STBdt
AV18RTSPhtg_STBdt
AV19ActiveRTSP_Clg
AV20ActiveRTSP_Htg
AV21DSHL_SP
AV22DSLL_SP
AV23ChOver_SP
AV25Calib_RoomT
AV26Calib_RoomSP
AV27Calib_usT
AV28Calib_dsT
AV30K_Factor
AV31DuctArea
AV33MinOffTime_Htg
AV34MinOffTime_Clg
AV35MotionTime
AV36OvrTime
AV37MaxPower
AV38OvrRemainTime
AV39ValidationErr
AV41RoomT
AV42RoomSP
AV43USsupplyT
AV44DSsupplyT
AV46AuxA_Out
AV47AuxB_Out
AV48AuxC_Out
AV49AuxD_Out
AV50AuxE_Out
AV52EncodedVal1
AV53EncodedVal2
AV55ActiveTz2SPHtg
AV56ActiveTz2SPClg
AV57ActiveTz3SPHtg
AV58ActiveTz3SPClg
AV64RoomRH
AV65RoomCO2
AV66RoomCO2SP
AV67RoomCO2Dem
AV68DewPtHL
AV69DewPtLL
AV70DewPoint
AV71DewPtOffset
AV72Chillwater
BV0ActRotation
BV1FanStatus
BV2DewPtHL
BV3OccSched
BV4OvrStatus
BV5Cond_Status
BV10SaveAndRestart
MV1Units_Type
MV2Tstor10K_Type
MV4AuxA_Loc
MV5AuxA_Type
MV6AuxA_Formula
MV7AuxA_Auto
MV8AuxB_Loc
MV9AuxB_Type
MV10AuxB_Formula
MV11AuxB_Auto
MV12AuxC_Loc
MV13AuxC_Type
MV14AuxC_Formula
MV15AuxC_Auto
MV17RoomT_Loc
MV18RoomSP_Loc
MV19USsupplyT_Loc
MV20DSsupplyT_Loc
MV21FanStatus_Loc
MV22Motion_Loc
MV23Sched_Loc
MV24OccMode
MV25ChOver_Type
MV26HtgClgMode
MV27VAV_Type
MV29CoolingWeight
MV30HeatingWeight
MV34TzControlMode
MV35AuxD_Loc
MV36AuxD_Type
MV37AuxD_Formula
MV38AuxD_Auto
MV39AuxE_Loc
MV40AuxE_Type
MV41AuxE_Formula
MV42AuxE_Auto
MV43Cond_Loc
MV62RoomTSPType
MV70ChillWaterLoc
MV71HumLoc
MV72TimedOvrStatus
LO0zPidFlow
LO1PidRoomT_Clg
LO2PidRoomT_Htg
LO3PidHL_DST
LO4PidLL_DST
LO6PidRoomTz2_Clg
LO7PidRoomTz2_Htg
LO8PidRoomTz3_Clg
LO9PidRoomTz3_Htg

Integration notes

The guide has no read/write column; access is inferred from its tags (Status = read-only; Cfg, User and Cmd = writable).
The four binary outputs are printed as AO 3-AO 6 (named BO_1-BO_4); AO 4 is printed as "A04".
Some MSV state lists are printed in short form (for example "AI-1, AI-2, AI-3 or AI-4"); those are kept as printed rather than numbered.
BV 3 OccSched is tagged "Clg" in the guide (likely Cfg); treated as writable.
PID loop objects LOOP0-LOOP9 are listed as LO with their printed action and default gains.
Temperature units are listed as °F; the guide prints °F and °C ranges and the controller can be set to metric.

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. This list is provided as-is for reference only and may contain mistakes — confirming it before you write, map or commission anything is up to you (terms). Easy BACnet scans a network for BACnet IP devices from an Android phone, reads every object on the BZ424-LX configurable VAV controller (Onyxx LX) 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 Lynxspring BZ424-LX configurable VAV controller (Onyxx LX)

How many BACnet points does the Lynxspring BZ424-LX configurable VAV controller (Onyxx LX) have?

This list has 127 BACnet objects: 5 analog inputs, 7 analog outputs, 58 analog values, 7 binary values, 9 loops, 41 multi-state values. The exact set on a given unit depends on its firmware, installed options and configuration.

Which Lynxspring BZ424-LX configurable VAV controller (Onyxx LX) BACnet points are writable?

80 of the 127 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 Lynxspring BZ424-LX configurable VAV controller (Onyxx LX) BACnet documentation?

Lynxspring does not publish it on its own website. This list comes from BZ424-LX Configurable VAV MS/TP - Installation and Wiring Guide, a copy hosted by Cochrane Supply at https://www.cochranesupply.com/media/assets/product/documents/Lynxspring/BZ424%20Installation%20and%20Wiring%20Guide.pdf. Ask Lynxspring or its representative for the current revision.

What are the minimum BACnet points to integrate the Lynxspring BZ424-LX configurable VAV controller (Onyxx LX)?

Start with BV 3 OccSched (Occupancy schedule (Day = occupied)); AV 12 RTSPclg_Occ (Occupied cooling setpoint); AV 13 RTSPhtg_Occ (Occupied heating setpoint); MV 24 OccMode (Occupancy mode); AV 41 RoomT (Room temperature); AI 4 zAirFlow (Measured airflow); AV 2 zActiveFlowSP (Active airflow setpoint); AO 2 zActMod (Damper position, %); BV 5 Cond_Status (Condensation detected); AV 39 ValidationErr (Configuration error code (0 = none)).

How do I check these points on the real BZ424-LX configurable VAV controller (Onyxx LX)?

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 Lynxspring BACnet points lists

Source: BZ424-LX Configurable VAV MS/TP - Installation and Wiring Guide. Object names, instances and units are reproduced as published; descriptions are our own.