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heaterSteam 4 (UR) process / titanium

Electric resistance steam humidifier · BACnet points list

CAREL heaterSteam 4 (UR) process / titanium BACnet points list

Updated 4 November 2026

Short answer

heaterSteam 4 is CAREL's resistance-heated isothermal steam humidifier; this entry covers the heaterSteam 4 generation documented in manual +0300087EN rel. 1.7 (2025). BACnet MS/TP (on the RS485 BMS port) and BACnet IP (on the Ethernet port) are built into the c.pHC controller, one at a time. The object list has positive-integer values for status, hours, probe and scheduler settings, analog values for probes, set points and production, and binary values for on/off commands, level sensors and every alarm.

This page lists 248 BACnet objects for the CAREL heaterSteam 4 (UR) process / titanium — 123 of them writable — with each object’s type, instance number, name, engineering units and access. It is re-typed from CAREL’s own free documentation, linked below.

Manufacturer: CAREL
Model: heaterSteam 4 (UR) process / titanium
Equipment: Electric resistance steam humidifier
Equipment type: Humidifiers
BACnet objects: 248 (123 writable)
Transport: BACnet IP, BACnet MS/TP
Firmware: Not stated
Default device instance: 77000
Also known as: heaterSteam, heaterSteam 4, heaterSteam process, heaterSteam titanium, UR, URH, CAREL electric resistance humidifier, +0300087EN
Source document: heaterSteam - UR Electric resistance humidifier - User manual · +0300087EN rel. 1.7 · rev. 2025-04-18

Download CSV 248 rows Download EDE B.I.G.-EU JSON Manufacturer PDF ↗ Compare with your scan Download Easy BACnet Mobile App Google Play

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

BMS integration notes: CAREL heaterSteam 4 (UR) process / titanium

Integration in brief

Pick the port and protocol (Eh01 for the BMS port, Eh06 for Ethernet), set the device instance and UDP port on Eh04, then enable on/off and control from supervisor on Eh07/Eh08. The BMS starts and stops the unit with OnBySV (BV 6) and either sends a production request on SV_PwrReq (AV 11) or writes the humidity set point (AV 14). Monitor OnOffStatus, UnitStatus, current production and the summary alarm BVs.

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 6	OnBySV	Unit on/off from the BMS	Write
AV 11	SV_PwrReq	Production request from the BMS, 0-100 %	Write
AV 14	GlbSetP_Hum	Humidity set point, %RH (own probe control)	Write
BV 5	OnOffStatus	Unit on/off status	Read
PIV 12	UnitStatus	Operating state code	Read
AV 0	MainPrb	Main probe reading	Read
AV 12	CurrProdPh	Current steam production, kg/h or lb/h	Read
BV 14	CurrBlkAlrm.IsPresent	Resettable alarm active	Read
BV 13	CurrBlkAlrm.IsBlocker	Shutdown alarm active	Read

Enable & remote start

On screens Eh07/Eh08 select the supervisor port and enable 'On/Off signal from supervisor' and 'control from supervisor' (the BMS-port Eh01 settings 'On/Off from SV' and 'Control from SV' default to No). Without them the unit ignores the supervisor on/off and production request.

Heartbeat & communication loss

Eh08 can enable a supervisor-offline alarm (Alrm_SVOffline.Active, BV 93). The manual does not describe what the unit does with its output when the supervisor goes offline.

Sensors & values from the BMS

With control from supervisor the BMS sends the production request on SV_PwrReq (AV 11) instead of the unit using its own probe. Up to four CAREL wireless probes can also feed the unit.

Network setup

Device instance default 77000, UDP port default 47808 (screen Eh04).
BACnet MS/TP on the BMS port: Eh03 sets the MAC address (default 0), max masters (127) and max info frames (10).
Ethernet IP settings (DHCP, IP, mask, gateway, DNS) are on the Ethernet settings screen; select BACnet for the Ethernet port on Eh06.
Only one BACnet instance exists, so BACnet cannot run on the BMS port and Ethernet at the same time.

Watch out for

Scheduler, probe range and drain-to-dilute settings are configuration; avoid cyclic writes.
SV_Command (PIV 72) is a one-shot reset (1 = alarms, 2 = hour counter), not a value to hold.

CAREL heaterSteam 4 (UR) process / titanium 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.

248 of 248 shown

Type

AnalogBinaryOther

Access

Units

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CAREL heaterSteam 4 (UR) process / titanium BACnet Points List
			Description			States
PIV	0	SV_SWVer	Software version		Read
PIV	1	SV_OSVer	OS version		Read
PIV	2	UnitModel	Model version		Read
PIV	3	Conductivity	Inlet water conductivity reading	µS/cm	Read
PIV	4	WirelessPrbInfo_1.BattLev	Wireless probe 1 reading: battery level		Read	0=Empty, 1=25%, 2=50%, 3=75%, 4=100%
PIV	5	WirelessPrbInfo_1.RadioSignalLev	Wireless probe 1 reading: radio signal level		Read	0=Absent, 1-7=Very poor, 8-14=Poor, 15-30=Good, 31-100=Excellent
PIV	6	WirelessPrbInfo_2.BattLev	Wireless probe 2 reading: battery level		Read	0=Empty, 1=25%, 2=50%, 3=75%, 4=100%
PIV	7	WirelessPrbInfo_2.RadioSignalLev	Wireless probe 2 reading: radio signal level		Read	0=Absent, 1-7=Very poor, 8-14=Poor, 15-30=Good, 31-100=Excellent
PIV	8	WirelessPrbInfo_3.BattLev	Wireless probe 3 reading: battery level		Read	0=Empty, 1=25%, 2=50%, 3=75%, 4=100%
PIV	9	WirelessPrbInfo_3.RadioSignalLev	Wireless probe 3 reading: radio signal level		Read	0=Absent, 1-7=Very poor, 8-14=Poor, 15-30=Good, 31-100=Excellent
PIV	10	WirelessPrbInfo_4.BattLev	Wireless probe 4 reading: battery level		Read	0=Empty, 1=25%, 2=50%, 3=75%, 4=100%
PIV	11	WirelessPrbInfo_4.RadioSignalLev	Wireless probe 4 reading: radio signal level		Read	0=Absent, 1-7=Very poor, 8-14=Poor, 15-30=Good, 31-100=Excellent
PIVmin	12	UnitStatus	Unit status		Read	0=standby, 1=production, 2=alarm, 3=off from BMS, 4=off from scheduler, 5=off from DIN, 6=off from display, 7=ready for backup, 8=manual mode, 9=warning, 10=preheating, 11=startup preheat, 12=autotest, 13=manual drain, 14=thermal shock, 15=drain due to inactivity, 16=foam drain, 17=heater safety off, 18=wait fill, 19=periodic drain, 24=paused by monitoring
PIV	13	WorkHr	Unit lifetime hours	h	Read
PIV	14	CylWorkHr	Cylinder lifetime hours	h	Read
PIV	15	ManMode_msk	Start manual mode		Write	0=Disabled, 1=Manual outputs, 2=Manual production
PIV	16	ManSSR_OpT	Set ON time for SSR heater power control cycle in manual mode	ms	Write
PIV	17	ManSSR_ClT	Set OFF time for SSR heater power control cycle in manual mode	ms	Write
PIV	18	RegulationCfg.RegTyp	Control mode		Write	0=External proportional signal, 1=External proportional signal + limit, 2=ON/OFF signal, 3=Humidity (one probe), 4=Temperature (one probe), 5=Humidity + limit, 6=Temperature + limit, 7=Humidity (two probes), 8=Temperature (two probes)
PIV	19	ThrshAlrmDT	Set high humidity/temperature alarm threshold	s	Write
PIV	20	MainPrbCfg.UITyp	Set main probe type		Write	0=0-1V, 1=0-10V, 2=2-10V, 5=NTC, 3=0-20mA, 4=4-20mA
PIV	21	LimitPrbCfg.UITyp	Set limit probe type		Write	0=0-1V, 1=0-10V, 2=2-10V, 3=0-20mA, 4=4-20mA, 5=NTC
PIV	22	WHardnessMan	Set water hardness value, if manual mode		Write	0=0-10°F, 1=10-20°F, 2=20-30°F, 3=30-40°F, 4=Demineralised
PIV	23	EvapCycleNoThrsh	Evaporation cycles before drain to dilute (micro-filling off)		Write	0=AUTO
PIV	24	FillTScale	Extra filling time after green LED level (micro-filling off)	%	Write
PIV	25	DilDrainTScale	Set drain time modification	%	Write
PIV	26	Scheduler.SchedDayToSet	Scheduler: day of week to configure		Write	1=Monday, 2=Tuesday, 3=Wednesday, 4=Thursday, 5=Friday, 6=Saturday, 7=Sunday
PIV	27	SchedDayCfg[0].StartHr	Scheduler: band 1 start hours	h	Write
PIV	28	SchedDayCfg[0].StartMin	Scheduler: band 1 start minutes	min	Write
PIV	29	SchedDayCfg[0].WorkMode	Scheduler: band 1 operating mode		Write
PIV	30	SchedDayCfg[1].StartHr	Scheduler: band 2 start hours	h	Write
PIV	31	SchedDayCfg[1].StartMin	Scheduler: band 2 start minutes	min	Write
PIV	32	SchedDayCfg[1].WorkMode	Scheduler: band 2 operating mode		Write
PIV	33	SchedDayCfg[2].StartHr	Scheduler: band 3 start hours	h	Write
PIV	34	SchedDayCfg[2].StartMin	Scheduler: band 3 start minutes	min	Write
PIV	35	SchedDayCfg[2].WorkMode	Scheduler: band 3 operating mode		Write
PIV	36	SchedDayCfg[3].StartHr	Scheduler: band 4 start hours	h	Write
PIV	37	SchedDayCfg[3].StartMin	Scheduler: band 4 start minutes	min	Write
PIV	38	SchedDayCfg[3].WorkMode	Scheduler: band 4 operating mode		Write
PIV	39	SchedDayCfg[4].StartHr	Scheduler: band 5 start hours	h	Write
PIV	40	SchedDayCfg[4].StartMin	Scheduler: band 5 start minutes	min	Write
PIV	41	SchedDayCfg[4].WorkMode	Scheduler: band 5 operating mode		Write
PIV	42	SchedDayCfg[5].StartHr	Scheduler: band 6 start hours	h	Write
PIV	43	SchedDayCfg[5].StartMin	Scheduler: band 6 start minutes	min	Write
PIV	44	SchedDayCfg[5].WorkMode	Scheduler: band 6 operating mode		Write
PIV	45	UoM	Unit of measure		Write	0=Default, 1=Int. system °C, kg/h, 2=Imperial °F, lb/h
PIV	46	Year	Year	years	Write
PIV	47	Month	Month	months	Write
PIV	48	Day	Day	days	Write
PIV	49	Hour	Hours	h	Write
PIV	50	Minute	Minutes	min	Write
PIV	51	SetTimezone	Time zone		Write	Time-zone code; see the manual list (0=not set)
PIV	52	NetStatus[1]	Network unit status: unit 1		Read	0=standby, 1=production, 2=alarm, 3=off from BMS, 4=off from scheduler, 5=off from DIN, 6=off from display, 7=ready for backup, 8=manual mode, 9=warning, 10=preheating, 11=startup preheat, 12=autotest, 13=manual drain, 14=thermal shock, 15=drain due to inactivity, 16=foam drain, 17=heater safety off, 18=wait fill, 19=periodic drain, 24=paused by monitoring
PIV	53	NetStatus[2]	Network unit status: unit 2		Read	0=standby, 1=production, 2=alarm, 3=off from BMS, 4=off from scheduler, 5=off from DIN, 6=off from display, 7=ready for backup, 8=manual mode, 9=warning, 10=preheating, 11=startup preheat, 12=autotest, 13=manual drain, 14=thermal shock, 15=drain due to inactivity, 16=foam drain, 17=heater safety off, 18=wait fill, 19=periodic drain, 24=paused by monitoring
PIV	54	NetStatus[3]	Network unit status: unit 3		Read	0=standby, 1=production, 2=alarm, 3=off from BMS, 4=off from scheduler, 5=off from DIN, 6=off from display, 7=ready for backup, 8=manual mode, 9=warning, 10=preheating, 11=startup preheat, 12=autotest, 13=manual drain, 14=thermal shock, 15=drain due to inactivity, 16=foam drain, 17=heater safety off, 18=wait fill, 19=periodic drain, 24=paused by monitoring
PIV	55	NetStatus[4]	Network unit status: unit 4		Read	0=standby, 1=production, 2=alarm, 3=off from BMS, 4=off from scheduler, 5=off from DIN, 6=off from display, 7=ready for backup, 8=manual mode, 9=warning, 10=preheating, 11=startup preheat, 12=autotest, 13=manual drain, 14=thermal shock, 15=drain due to inactivity, 16=foam drain, 17=heater safety off, 18=wait fill, 19=periodic drain, 24=paused by monitoring
PIV	56	NetStatus[5]	Network unit status: unit 5		Read	0=standby, 1=production, 2=alarm, 3=off from BMS, 4=off from scheduler, 5=off from DIN, 6=off from display, 7=ready for backup, 8=manual mode, 9=warning, 10=preheating, 11=startup preheat, 12=autotest, 13=manual drain, 14=thermal shock, 15=drain due to inactivity, 16=foam drain, 17=heater safety off, 18=wait fill, 19=periodic drain, 24=paused by monitoring
PIV	57	NetStatus[6]	Network unit status: unit 6		Read	0=standby, 1=production, 2=alarm, 3=off from BMS, 4=off from scheduler, 5=off from DIN, 6=off from display, 7=ready for backup, 8=manual mode, 9=warning, 10=preheating, 11=startup preheat, 12=autotest, 13=manual drain, 14=thermal shock, 15=drain due to inactivity, 16=foam drain, 17=heater safety off, 18=wait fill, 19=periodic drain, 24=paused by monitoring
PIV	58	NetStatus[7]	Network unit status: unit 7		Read	0=standby, 1=production, 2=alarm, 3=off from BMS, 4=off from scheduler, 5=off from DIN, 6=off from display, 7=ready for backup, 8=manual mode, 9=warning, 10=preheating, 11=startup preheat, 12=autotest, 13=manual drain, 14=thermal shock, 15=drain due to inactivity, 16=foam drain, 17=heater safety off, 18=wait fill, 19=periodic drain, 24=paused by monitoring
PIV	59	NetStatus[8]	Network unit status: unit 8		Read	0=standby, 1=production, 2=alarm, 3=off from BMS, 4=off from scheduler, 5=off from DIN, 6=off from display, 7=ready for backup, 8=manual mode, 9=warning, 10=preheating, 11=startup preheat, 12=autotest, 13=manual drain, 14=thermal shock, 15=drain due to inactivity, 16=foam drain, 17=heater safety off, 18=wait fill, 19=periodic drain, 24=paused by monitoring
PIV	60	NetStatus[9]	Network unit status: unit 9		Read	0=standby, 1=production, 2=alarm, 3=off from BMS, 4=off from scheduler, 5=off from DIN, 6=off from display, 7=ready for backup, 8=manual mode, 9=warning, 10=preheating, 11=startup preheat, 12=autotest, 13=manual drain, 14=thermal shock, 15=drain due to inactivity, 16=foam drain, 17=heater safety off, 18=wait fill, 19=periodic drain, 24=paused by monitoring
PIV	61	NetStatus[10]	Network unit status: unit 10		Read	0=standby, 1=production, 2=alarm, 3=off from BMS, 4=off from scheduler, 5=off from DIN, 6=off from display, 7=ready for backup, 8=manual mode, 9=warning, 10=preheating, 11=startup preheat, 12=autotest, 13=manual drain, 14=thermal shock, 15=drain due to inactivity, 16=foam drain, 17=heater safety off, 18=wait fill, 19=periodic drain, 24=paused by monitoring
PIV	62	NetStatus[11]	Network unit status: unit 11		Read	0=standby, 1=production, 2=alarm, 3=off from BMS, 4=off from scheduler, 5=off from DIN, 6=off from display, 7=ready for backup, 8=manual mode, 9=warning, 10=preheating, 11=startup preheat, 12=autotest, 13=manual drain, 14=thermal shock, 15=drain due to inactivity, 16=foam drain, 17=heater safety off, 18=wait fill, 19=periodic drain, 24=paused by monitoring
PIV	63	NetStatus[12]	Network unit status: unit 12		Read	0=standby, 1=production, 2=alarm, 3=off from BMS, 4=off from scheduler, 5=off from DIN, 6=off from display, 7=ready for backup, 8=manual mode, 9=warning, 10=preheating, 11=startup preheat, 12=autotest, 13=manual drain, 14=thermal shock, 15=drain due to inactivity, 16=foam drain, 17=heater safety off, 18=wait fill, 19=periodic drain, 24=paused by monitoring
PIV	64	NetStatus[13]	Network unit status: unit 13		Read	0=standby, 1=production, 2=alarm, 3=off from BMS, 4=off from scheduler, 5=off from DIN, 6=off from display, 7=ready for backup, 8=manual mode, 9=warning, 10=preheating, 11=startup preheat, 12=autotest, 13=manual drain, 14=thermal shock, 15=drain due to inactivity, 16=foam drain, 17=heater safety off, 18=wait fill, 19=periodic drain, 24=paused by monitoring
PIV	65	NetStatus[14]	Network unit status: unit 14		Read	0=standby, 1=production, 2=alarm, 3=off from BMS, 4=off from scheduler, 5=off from DIN, 6=off from display, 7=ready for backup, 8=manual mode, 9=warning, 10=preheating, 11=startup preheat, 12=autotest, 13=manual drain, 14=thermal shock, 15=drain due to inactivity, 16=foam drain, 17=heater safety off, 18=wait fill, 19=periodic drain, 24=paused by monitoring
PIV	66	NetStatus[15]	Network unit status: unit 15		Read	0=standby, 1=production, 2=alarm, 3=off from BMS, 4=off from scheduler, 5=off from DIN, 6=off from display, 7=ready for backup, 8=manual mode, 9=warning, 10=preheating, 11=startup preheat, 12=autotest, 13=manual drain, 14=thermal shock, 15=drain due to inactivity, 16=foam drain, 17=heater safety off, 18=wait fill, 19=periodic drain, 24=paused by monitoring
PIV	67	NetStatus[16]	Network unit status: unit 16		Read	0=standby, 1=production, 2=alarm, 3=off from BMS, 4=off from scheduler, 5=off from DIN, 6=off from display, 7=ready for backup, 8=manual mode, 9=warning, 10=preheating, 11=startup preheat, 12=autotest, 13=manual drain, 14=thermal shock, 15=drain due to inactivity, 16=foam drain, 17=heater safety off, 18=wait fill, 19=periodic drain, 24=paused by monitoring
PIV	68	NetStatus[17]	Network unit status: unit 17		Read	0=standby, 1=production, 2=alarm, 3=off from BMS, 4=off from scheduler, 5=off from DIN, 6=off from display, 7=ready for backup, 8=manual mode, 9=warning, 10=preheating, 11=startup preheat, 12=autotest, 13=manual drain, 14=thermal shock, 15=drain due to inactivity, 16=foam drain, 17=heater safety off, 18=wait fill, 19=periodic drain, 24=paused by monitoring
PIV	69	NetStatus[18]	Network unit status: unit 18		Read	0=standby, 1=production, 2=alarm, 3=off from BMS, 4=off from scheduler, 5=off from DIN, 6=off from display, 7=ready for backup, 8=manual mode, 9=warning, 10=preheating, 11=startup preheat, 12=autotest, 13=manual drain, 14=thermal shock, 15=drain due to inactivity, 16=foam drain, 17=heater safety off, 18=wait fill, 19=periodic drain, 24=paused by monitoring
PIV	70	NetStatus[19]	Network unit status: unit 19		Read	0=standby, 1=production, 2=alarm, 3=off from BMS, 4=off from scheduler, 5=off from DIN, 6=off from display, 7=ready for backup, 8=manual mode, 9=warning, 10=preheating, 11=startup preheat, 12=autotest, 13=manual drain, 14=thermal shock, 15=drain due to inactivity, 16=foam drain, 17=heater safety off, 18=wait fill, 19=periodic drain, 24=paused by monitoring
PIV	71	NetStatus[20]	Network unit status: unit 20		Read	0=standby, 1=production, 2=alarm, 3=off from BMS, 4=off from scheduler, 5=off from DIN, 6=off from display, 7=ready for backup, 8=manual mode, 9=warning, 10=preheating, 11=startup preheat, 12=autotest, 13=manual drain, 14=thermal shock, 15=drain due to inactivity, 16=foam drain, 17=heater safety off, 18=wait fill, 19=periodic drain, 24=paused by monitoring
PIV	72	SV_Command	Supervisor command: reset alarms or hour counter		Write	1=reset alarm, 2=reset hour counter
PIV	73	SV_CommandResult	Result of the command		Read	1=successful, 2=failed, 3=invalid command
PIV	80	PreMaintWarnThrsh	Set next maintenance pre-alert time	h	Write
PIV	81	HiConductAlrmDlyT	Set high conductivity alarm delay	min	Write
PIV	82	HiConductWarnThrsh	Set high conductivity warning threshold	µS/cm	Write
PIV	83	HiConductAlrmThrsh	Set high conductivity alarm threshold	µS/cm	Write
PIV	84	HiConductWarnHyst	Set high conductivity warning threshold hysteresis	%	Write
PIV	85	FoamLevSetPScale	Foam sensor sensitivity (0%-200% - def. 100%)	%	Write
PIV	86	PartFillsT	Set micro-fill cycle duration	s	Write
PIV	87	DilDrainCfg.Typ	Drain to dilute mode with micro-fill active		Write	0=Disabled, 1=Daily scheduler, 2=Periodic
PIV	89	DilDrainCfg.PeriodicDilDrainThrsh	Hours between periodic drain to dilute cycles (micro-filling on)	h	Write
PIV	90	DilDrainCfg.DailySched[1].Start_h	Drain to dilute - Daily scheduler (Monday) - hours	h	Write
PIV	91	DilDrainCfg.DailySched[1].Start_min	Drain to dilute - Daily scheduler (Monday) - minutes	min	Write
PIV	92	DilDrainCfg.DailySched[2].Start_h	Drain to dilute - Daily scheduler (Tuesday) - hours	h	Write
PIV	93	DilDrainCfg.DailySched[2].Start_min	Drain to dilute - Daily scheduler (Tuesday) - minutes	min	Write
PIV	94	DilDrainCfg.DailySched[3].Start_h	Drain to dilute - Daily scheduler (Wednesday) - hours	h	Write
PIV	95	DilDrainCfg.DailySched[3].Start_min	Drain to dilute - Daily scheduler (Wednesday) - minutes	min	Write
PIV	96	DilDrainCfg.DailySched[4].Start_h	Drain to dilute - Daily scheduler (Thursday) - hours	h	Write
PIV	97	DilDrainCfg.DailySched[4].Start_min	Drain to dilute - Daily scheduler (Thursday) - minutes	min	Write
PIV	98	DilDrainCfg.DailySched[5].Start_h	Drain to dilute - Daily scheduler (Friday) - hours	h	Write
PIV	99	DilDrainCfg.DailySched[5].Start_min	Drain to dilute - Daily scheduler (Friday) - minutes	min	Write
PIV	100	DilDrainCfg.DailySched[6].Start_h	Drain to dilute - Daily scheduler (Saturday) - hours	h	Write
PIV	101	DilDrainCfg.DailySched[6].Start_min	Drain to dilute - Daily scheduler (Saturday) - minutes	min	Write
PIV	102	DilDrainCfg.DailySched[7].Start_h	Drain to dilute - Daily scheduler (Sunday) - hours	h	Write
PIV	103	DilDrainCfg.DailySched[7].Start_min	Drain to dilute - Daily scheduler (Sunday) - minutes	min	Write
PIV	104	PeriodicDrainThrsh	Production hours between two periodic total drains	h	Write
PIV	105	ExtFanDTOn	Set start blower delay from start of production	s	Write
PIV	106	ExtFanDTOff	Set stop blower delay from end of production	s	Write
PIV	129	WorkHrCntDwn	Time remaining until next maintenance	h	Read
PIV	130	CylResDate.Year	Cylinder production hours reset date - Year	years	Read
PIV	131	CylResDate.Month	Cylinder production hours reset date - Month	months	Read
PIV	132	CylResDate.Day	Cylinder production hours reset date - Day	days	Read
PIV	133	CylResDate.Hour	Cylinder production hours reset date - Hours	h	Read
PIV	134	CylResDate.Minute	Cylinder production hours reset date - Minutes	min	Read
AVmin	0	MainPrb	Main probe reading		Read
AV	1	LimitPrb	Limit probe reading		Read
AV	2	PreheatPrb	Water preheating probe reading	°C or °F	Read
AV	3	WirelessPrbVal_1.Hum	Wireless probe 1 reading: Humidity	%RH	Read
AV	4	WirelessPrbVal_1.Temp	Wireless probe 1 reading: Temperature	°C or °F	Read
AV	5	WirelessPrbVal_2.Hum	Wireless probe 2 reading: Humidity	%RH	Read
AV	6	WirelessPrbVal_2.Temp	Wireless probe 2 reading: Temperature	°C or °F	Read
AV	7	WirelessPrbVal_3.Hum	Wireless probe 3 reading: Humidity	%RH	Read
AV	8	WirelessPrbVal_3.Temp	Wireless probe 3 reading: Temperature	°C or °F	Read
AV	9	WirelessPrbVal_4.Hum	Wireless probe 4 reading: Humidity	%RH	Read
AV	10	WirelessPrbVal_4.Temp	Wireless probe 4 reading: Temperature	°C or °F	Read
AVmin	11	SV_PwrReq	Set production percentage request from supervisor	%	Write
AVmin	12	CurrProdPh	Current production kg/h (lbs/h)	kg/h or lb/h	Read
AV	13	ManReq	Enable manual production request	%	Write
AVmin	14	GlbSetP_Hum	Set humidity value (humidity set point)	%RH	Write
AV	15	GlbSetP_Temp	Set temperature value (temperature set point)	°C or °F	Write
AV	16	RegulationCfg.Hyst	Set control hysteresis	%	Write
AV	17	RegulationCfg.Diff	Set control differential		Write
AV	18	GlbSetPLim_Hum	Set humidity limit value (humidity limit set point)	%RH	Write
AV	19	GlbSetPLim_Temp	Set temperature limit value (temperature limit set point)	°C or °F	Write
AV	20	RegulationCfg.DiffLim	Set limit differential		Write
AV	21	RegulationCfg.MinReq	Set maximum production value	%	Write
AV	22	AlrmThrshHumLo	Set main probe low humidity alarm threshold	%RH	Write
AV	23	AlrmThrshHumHi	Set main probe high humidity alarm threshold	%RH	Write
AV	24	AlrmThrshHumHiLim	Set limit probe low humidity alarm threshold	%RH	Write
AV	25	AlrmThrshTempLo	Set main probe low temperature alarm threshold	°C or °F	Write
AV	26	AlrmThrshTempHi	Set main probe high temperature alarm threshold	°C or °F	Write
AV	27	AlrmThrshTempHiLim	Set limit probe low temperature alarm threshold	°C or °F	Write
AV	28	MainPrbCfg.Mi_Hum	Set main probe minimum humidity value	%RH	Write
AV	29	MainPrbCfg.Ma_Hum	Set main probe maximum humidity	%RH	Write
AV	30	MainPrbCfg.Mi_Temp	Set main probe minimum temperature	°C or °F	Write
AV	31	MainPrbCfg.Ma_Temp	Set main probe maximum temperature	°C or °F	Write
AV	32	LimitPrbCfg.Mi_Hum	Set limit probe minimum humidity value	%RH	Write
AV	33	LimitPrbCfg.Ma_Hum	Set limit probe maximum humidity value	%RH	Write
AV	34	LimitPrbCfg.Mi_Temp	Set limit probe minimum temperature value	°C or °F	Write
AV	35	LimitPrbCfg.Ma_Temp	Set limit probe maximum temperature value	°C or °F	Write
AV	36	RegulationCfg.PwrCorrectionFactor	Set power correction for thermal dissipation	%	Write
AV	37	SchedDayCfg[0].SetP	Scheduler: band 1 set point		Write
AV	38	SchedDayCfg[1].SetP	Scheduler: band 2 set point		Write
AV	39	SchedDayCfg[2].SetP	Scheduler: band 3 set point		Write
AV	40	SchedDayCfg[3].SetP	Scheduler: band 4 set point		Write
AV	41	SchedDayCfg[4].SetP	Scheduler: band 5 set point		Write
AV	42	SchedDayCfg[5].SetP	Scheduler: band 6 set point		Write
AV	43	NetReq	Current system request	%	Read
AV	44	NetProd	Current system production	kg/h or lb/h	Read
AV	45	MaxUnitProd	Set maximum production value	%	Write
AV	46	RegulationCfg.W_MinTempThrsh	Set water preheating temperature	°C or °F	Write
AV	47	PreheatOffset_Temp	Preheating offset from temperature set point	°C or °F	Write
AV	48	PreheatOffset_Hum	Preheating offset from humidity set point	%RH	Write
AV	49	ProdReqMsk	Production request	%	Read
AV	53	FoamLevReal	Signal reading from foam sensor		Read
BV	0	RemOn	Remote on/off command		Read
BV	1	ThermPtcDin	Thermal protection status		Read
BV	2	LevSenStatus.Low	Level sensor reading: low level		Read
BV	3	LevSenStatus.Hi	Level sensor reading: high level		Read
BV	4	LevSenStatus.Foam	High level sensor reading: foam		Read
BVmin	5	OnOffStatus	Unit status on/off		Read
BVmin	6	OnBySV	On/off control from supervisor (SV)		Write
BV	11	WHardnessTyp	Set water hardness management mode		Write	0=AUTO, 1=MANUAL
BV	12	PreMaintWarn	Set next maintenance pre-alert time		Read
BVmin	13	CurrBlkAlrm.IsBlocker	Shutdown alarm active		Read
BVmin	14	CurrBlkAlrm.IsPresent	Resettable alarm active		Read
BV	15	CurrBlkAlrm.Warning	Warning		Read
BV	16	Alrm_Autotest.Active	Alarm ALC01: Autotest		Read
BV	17	Alrm_HighConductAl.Active	Alarm ALC02: High conductivity		Read
BV	18	Alrm_LevSen.Active	Alarm ALC03: Level sensor broken		Read
BV	19	Alrm_ThermPtc.Active	Alarm ALC04: Motor protection		Read
BV	20	Alrm_WMiss.Active	Alarm ALB01: No water		Read
BV	21	Alrm_LowProd.Active	Alarm ALB02: Low production		Read
BV	22	Alrm_MainPrb.Active	Alarm ALA01: Main probe broken		Read
BV	23	Alrm_LimPrb.Active	Alarm ALA02: Limit probe broken		Read
BV	24	Alrm_PreHPrb.Active	Alarm ALA03: Preheating probe broken		Read
BV	25	Alrm_HiHum.Active	Alarm ALH01: High humidity/temperature		Read
BV	26	Alrm_LoHum.Active	Alarm ALH02: Low humidity/temperature		Read
BV	27	Alrm_HiHum_Lim.Active	Alarm ALH03: High humidity/temperature: limit probe		Read
BV	28	Alrm_Foam.Active	Alarm ALW01: Foam warning		Read
BV	29	Alrm_PeriodicMaint.Active	Alarm ALT01: Maintenance request		Read
BV	30	Alrm_CylFull.Active	Alarm ALW02: Cylinder full		Read
BV	31	Alrm_ConductPrb.Active	Alarm ALA04: Conductivity meter broken/not connected		Read
BV	32	Alrm_HighConductWr.Active	Warning ALW03: High conductivity		Read
BV	33	Alrm_RetMem.Active	Alarm ALR01: Retain memory		Read
BV	34	Warn_Autotest.Active	Warning ALW04: Autotest, saved only, not displayed		Read
BV	35	Warn_LevSen.Active	Warning ALW05: Level sensor		Read
BV	36	Warn_LowProd.Active	Warning ALW06: Low production, saved only, not displayed		Read
BV	37	Alrm_WirelessPrb_1_Offline.Active	Alarm ALP01: Wireless probe 1: offline		Read
BV	38	Alrm_WirelessPrb_2_Offline.Active	Alarm ALP02: Wireless probe 2: offline		Read
BV	39	Alrm_WirelessPrb_3_Offline.Active	Alarm ALP03: Wireless probe 3: offline		Read
BV	40	Alrm_WirelessPrb_4_Offline.Active	Alarm ALP04: Wireless probe 4: offline		Read
BV	41	Alrm_MissingModel.Active	Alarm ALM01: Humidifi er model not set		Read
BV	42	Alrm_NetUnit_1.Active	Alarm ALN01: Network: unit 1 alarm		Read
BV	43	Alrm_NetUnit_2.Active	Alarm ALN2: Network: unit 2 alarm		Read
BV	44	Alrm_NetUnit_3.Active	Alarm ALN3: Network: unit 3 alarm		Read
BV	45	Alrm_NetUnit_4.Active	Alarm ALN4: Network: unit 4 alarm		Read
BV	46	Alrm_NetUnit_5.Active	Alarm ALN5: Network: unit 5 alarm		Read
BV	47	Alrm_NetUnit_6.Active	Alarm ALN6: Network: unit 6 alarm		Read
BV	48	Alrm_NetUnit_7.Active	Alarm ALN7: Network: unit 7 alarm		Read
BV	49	Alrm_NetUnit_8.Active	Alarm ALN8: Network: unit 8 alarm		Read
BV	50	Alrm_NetUnit_9.Active	Alarm ALN9: Network: unit 9 alarm		Read
BV	51	Alrm_NetUnit_10.Active	Alarm ALN10: Network: unit 10 alarm		Read
BV	52	Alrm_NetUnit_11.Active	Alarm ALN11: Network: unit 11 alarm		Read
BV	53	Alrm_NetUnit_12.Active	Alarm ALN12: Network: unit 12 alarm		Read
BV	54	Alrm_NetUnit_13.Active	Alarm ALN13: Network: unit 13 alarm		Read
BV	55	Alrm_NetUnit_14.Active	Alarm ALN14: Network: unit 14 alarm		Read
BV	56	Alrm_NetUnit_15.Active	Alarm ALN15: Network: unit 15 alarm		Read
BV	57	Alrm_NetUnit_16.Active	Alarm ALN16: Network: unit 16 alarm		Read
BV	58	Alrm_NetUnit_17.Active	Alarm ALN17: Network: unit 17 alarm		Read
BV	59	Alrm_NetUnit_18.Active	Alarm ALN18: Network: unit 18 alarm		Read
BV	60	Alrm_NetUnit_19.Active	Alarm ALN19: Network: unit 19 alarm		Read
BV	61	Alrm_NetUnit_20.Active	Alarm ALN20: Network: unit 20 alarm		Read
BV	62	Alrm_WirelessPrb_1_LowBatt.Active	Alarm ALP05: Wireless probe 1: low battery level		Read
BV	63	Alrm_WirelessPrb_2_LowBatt.Active	Alarm ALP06: Wireless probe 2: low battery level		Read
BV	64	Alrm_WirelessPrb_3_LowBatt.Active	Alarm ALP07: Wireless probe 3: low battery level		Read
BV	65	Alrm_WirelessPrb_4_LowBatt.Active	Alarm ALP08: Wireless probe 4: low battery level		Read
BV	66	Alrm_WirelessPrb_Main.Active	Alarm ALA05: Main probe from wireless probe not available		Read
BV	67	Alrm_WirelessPrb_Limit.Active	Alarm ALA06: Limit probe from wireless probe not available		Read
BV	68	SchedDayCfg[0].EnTB	Scheduler: Enable time band 1		Write
BV	69	SchedDayCfg[1].EnTB	Scheduler: Enable time band 2		Write
BV	70	SchedDayCfg[2].EnTB	Scheduler: Enable time band 3		Write
BV	71	SchedDayCfg[3].EnTB	Scheduler: Enable time band 4		Write
BV	72	SchedDayCfg[4].EnTB	Scheduler: Enable time band 5		Write
BV	73	SchedDayCfg[5].EnTB	Scheduler: Enable time band 6		Write
BV	75	ManExtFan	Blower command in manual mode		Write
BV	79	EnSched	Enable scheduler		Write
BV	80	EnHiConductAlrm	Enable high conductivity alarm		Write
BV	81	ManDrain	Manual total drain command; returns to 0 when drain is done		Write
BV	82	EnPreheatOff	Enable preheating function		Write
BV	83	EnPartFills	Enable micro-filling function to restore water level		Write
BV	84	DilDrainCfg.DailySched[1].Enable	Drain to dilute - Daily scheduler (Monday) - enable		Write
BV	85	DilDrainCfg.DailySched[2].Enable	Drain to dilute - Daily scheduler (Tuesday) - enable		Write
BV	86	DilDrainCfg.DailySched[3].Enable	Drain to dilute - Daily scheduler (Wednesday) - enable		Write
BV	87	DilDrainCfg.DailySched[4].Enable	Drain to dilute - Daily scheduler (Thursday) - enable		Write
BV	88	DilDrainCfg.DailySched[5].Enable	Drain to dilute - Daily scheduler (Friday) - enable		Write
BV	89	DilDrainCfg.DailySched[6].Enable	Drain to dilute - Daily scheduler (Saturday) - enable		Write
BV	90	DilDrainCfg.DailySched[7].Enable	Drain to dilute - Daily scheduler (Sunday) - enable		Write
BV	91	EnPeriodicDrain	Enable periodic total drain		Write
BV	92	UnitPause	Set unit paused		Write	0=not paused, 1=paused
BV	93	Alrm_SVOffline.Active	Alarm ALA07: Supervisor offline		Read
BV	101	Alrm_HiBoilerTemp.Active	Alarm ALC05: High boiler temperature (>110°)		Read
BV	102	Warn_AutotestCancel.Active	Warning ALW07: Autotest cancelled, saved and displayed		Read
BV	103	Warn_NoDrainYet.Active	Warning ALW08: No drain to dilute (if micro-filling active)		Read
BV	108	DisableVarUnitPause	Disable paused by monitoring service		Read	0=not disabled, 1=disabled
BV	110	EnPreheatNoReq	Enable preheating without offset		Write	0=disabled, 1=enabled

Object ID lookup: CAREL heaterSteam 4 process / titanium point IDs by name

PIV0SV_SWVer
PIV1SV_OSVer
PIV2UnitModel
PIV3Conductivity
PIV4WirelessPrbInfo_1.BattLev
PIV5WirelessPrbInfo_1.RadioSignalLev
PIV6WirelessPrbInfo_2.BattLev
PIV7WirelessPrbInfo_2.RadioSignalLev
PIV8WirelessPrbInfo_3.BattLev
PIV9WirelessPrbInfo_3.RadioSignalLev
PIV10WirelessPrbInfo_4.BattLev
PIV11WirelessPrbInfo_4.RadioSignalLev
PIV12UnitStatus
PIV13WorkHr
PIV14CylWorkHr
PIV15ManMode_msk
PIV16ManSSR_OpT
PIV17ManSSR_ClT
PIV18RegulationCfg.RegTyp
PIV19ThrshAlrmDT
PIV20MainPrbCfg.UITyp
PIV21LimitPrbCfg.UITyp
PIV22WHardnessMan
PIV23EvapCycleNoThrsh
PIV24FillTScale
PIV25DilDrainTScale
PIV26Scheduler.SchedDayToSet
PIV27SchedDayCfg[0].StartHr
PIV28SchedDayCfg[0].StartMin
PIV29SchedDayCfg[0].WorkMode
PIV30SchedDayCfg[1].StartHr
PIV31SchedDayCfg[1].StartMin
PIV32SchedDayCfg[1].WorkMode
PIV33SchedDayCfg[2].StartHr
PIV34SchedDayCfg[2].StartMin
PIV35SchedDayCfg[2].WorkMode
PIV36SchedDayCfg[3].StartHr
PIV37SchedDayCfg[3].StartMin
PIV38SchedDayCfg[3].WorkMode
PIV39SchedDayCfg[4].StartHr
PIV40SchedDayCfg[4].StartMin
PIV41SchedDayCfg[4].WorkMode
PIV42SchedDayCfg[5].StartHr
PIV43SchedDayCfg[5].StartMin
PIV44SchedDayCfg[5].WorkMode
PIV45UoM
PIV46Year
PIV47Month
PIV48Day
PIV49Hour
PIV50Minute
PIV51SetTimezone
PIV52NetStatus[1]
PIV53NetStatus[2]
PIV54NetStatus[3]
PIV55NetStatus[4]
PIV56NetStatus[5]
PIV57NetStatus[6]
PIV58NetStatus[7]
PIV59NetStatus[8]
PIV60NetStatus[9]
PIV61NetStatus[10]
PIV62NetStatus[11]
PIV63NetStatus[12]
PIV64NetStatus[13]
PIV65NetStatus[14]
PIV66NetStatus[15]
PIV67NetStatus[16]
PIV68NetStatus[17]
PIV69NetStatus[18]
PIV70NetStatus[19]
PIV71NetStatus[20]
PIV72SV_Command
PIV73SV_CommandResult
PIV80PreMaintWarnThrsh
PIV81HiConductAlrmDlyT
PIV82HiConductWarnThrsh
PIV83HiConductAlrmThrsh
PIV84HiConductWarnHyst
PIV85FoamLevSetPScale
PIV86PartFillsT
PIV87DilDrainCfg.Typ
PIV89DilDrainCfg.PeriodicDilDrainThrsh
PIV90DilDrainCfg.DailySched[1].Start_h
PIV91DilDrainCfg.DailySched[1].Start_min
PIV92DilDrainCfg.DailySched[2].Start_h
PIV93DilDrainCfg.DailySched[2].Start_min
PIV94DilDrainCfg.DailySched[3].Start_h
PIV95DilDrainCfg.DailySched[3].Start_min
PIV96DilDrainCfg.DailySched[4].Start_h
PIV97DilDrainCfg.DailySched[4].Start_min
PIV98DilDrainCfg.DailySched[5].Start_h
PIV99DilDrainCfg.DailySched[5].Start_min
PIV100DilDrainCfg.DailySched[6].Start_h
PIV101DilDrainCfg.DailySched[6].Start_min
PIV102DilDrainCfg.DailySched[7].Start_h
PIV103DilDrainCfg.DailySched[7].Start_min
PIV104PeriodicDrainThrsh
PIV105ExtFanDTOn
PIV106ExtFanDTOff
PIV129WorkHrCntDwn
PIV130CylResDate.Year
PIV131CylResDate.Month
PIV132CylResDate.Day
PIV133CylResDate.Hour
PIV134CylResDate.Minute
AV0MainPrb
AV1LimitPrb
AV2PreheatPrb
AV3WirelessPrbVal_1.Hum
AV4WirelessPrbVal_1.Temp
AV5WirelessPrbVal_2.Hum
AV6WirelessPrbVal_2.Temp
AV7WirelessPrbVal_3.Hum
AV8WirelessPrbVal_3.Temp
AV9WirelessPrbVal_4.Hum
AV10WirelessPrbVal_4.Temp
AV11SV_PwrReq
AV12CurrProdPh
AV13ManReq
AV14GlbSetP_Hum
AV15GlbSetP_Temp
AV16RegulationCfg.Hyst
AV17RegulationCfg.Diff
AV18GlbSetPLim_Hum
AV19GlbSetPLim_Temp
AV20RegulationCfg.DiffLim
AV21RegulationCfg.MinReq
AV22AlrmThrshHumLo
AV23AlrmThrshHumHi
AV24AlrmThrshHumHiLim
AV25AlrmThrshTempLo
AV26AlrmThrshTempHi
AV27AlrmThrshTempHiLim
AV28MainPrbCfg.Mi_Hum
AV29MainPrbCfg.Ma_Hum
AV30MainPrbCfg.Mi_Temp
AV31MainPrbCfg.Ma_Temp
AV32LimitPrbCfg.Mi_Hum
AV33LimitPrbCfg.Ma_Hum
AV34LimitPrbCfg.Mi_Temp
AV35LimitPrbCfg.Ma_Temp
AV36RegulationCfg.PwrCorrectionFactor
AV37SchedDayCfg[0].SetP
AV38SchedDayCfg[1].SetP
AV39SchedDayCfg[2].SetP
AV40SchedDayCfg[3].SetP
AV41SchedDayCfg[4].SetP
AV42SchedDayCfg[5].SetP
AV43NetReq
AV44NetProd
AV45MaxUnitProd
AV46RegulationCfg.W_MinTempThrsh
AV47PreheatOffset_Temp
AV48PreheatOffset_Hum
AV49ProdReqMsk
AV53FoamLevReal
BV0RemOn
BV1ThermPtcDin
BV2LevSenStatus.Low
BV3LevSenStatus.Hi
BV4LevSenStatus.Foam
BV5OnOffStatus
BV6OnBySV
BV11WHardnessTyp
BV12PreMaintWarn
BV13CurrBlkAlrm.IsBlocker
BV14CurrBlkAlrm.IsPresent
BV15CurrBlkAlrm.Warning
BV16Alrm_Autotest.Active
BV17Alrm_HighConductAl.Active
BV18Alrm_LevSen.Active
BV19Alrm_ThermPtc.Active
BV20Alrm_WMiss.Active
BV21Alrm_LowProd.Active
BV22Alrm_MainPrb.Active
BV23Alrm_LimPrb.Active
BV24Alrm_PreHPrb.Active
BV25Alrm_HiHum.Active
BV26Alrm_LoHum.Active
BV27Alrm_HiHum_Lim.Active
BV28Alrm_Foam.Active
BV29Alrm_PeriodicMaint.Active
BV30Alrm_CylFull.Active
BV31Alrm_ConductPrb.Active
BV32Alrm_HighConductWr.Active
BV33Alrm_RetMem.Active
BV34Warn_Autotest.Active
BV35Warn_LevSen.Active
BV36Warn_LowProd.Active
BV37Alrm_WirelessPrb_1_Offline.Active
BV38Alrm_WirelessPrb_2_Offline.Active
BV39Alrm_WirelessPrb_3_Offline.Active
BV40Alrm_WirelessPrb_4_Offline.Active
BV41Alrm_MissingModel.Active
BV42Alrm_NetUnit_1.Active
BV43Alrm_NetUnit_2.Active
BV44Alrm_NetUnit_3.Active
BV45Alrm_NetUnit_4.Active
BV46Alrm_NetUnit_5.Active
BV47Alrm_NetUnit_6.Active
BV48Alrm_NetUnit_7.Active
BV49Alrm_NetUnit_8.Active
BV50Alrm_NetUnit_9.Active
BV51Alrm_NetUnit_10.Active
BV52Alrm_NetUnit_11.Active
BV53Alrm_NetUnit_12.Active
BV54Alrm_NetUnit_13.Active
BV55Alrm_NetUnit_14.Active
BV56Alrm_NetUnit_15.Active
BV57Alrm_NetUnit_16.Active
BV58Alrm_NetUnit_17.Active
BV59Alrm_NetUnit_18.Active
BV60Alrm_NetUnit_19.Active
BV61Alrm_NetUnit_20.Active
BV62Alrm_WirelessPrb_1_LowBatt.Active
BV63Alrm_WirelessPrb_2_LowBatt.Active
BV64Alrm_WirelessPrb_3_LowBatt.Active
BV65Alrm_WirelessPrb_4_LowBatt.Active
BV66Alrm_WirelessPrb_Main.Active
BV67Alrm_WirelessPrb_Limit.Active
BV68SchedDayCfg[0].EnTB
BV69SchedDayCfg[1].EnTB
BV70SchedDayCfg[2].EnTB
BV71SchedDayCfg[3].EnTB
BV72SchedDayCfg[4].EnTB
BV73SchedDayCfg[5].EnTB
BV75ManExtFan
BV79EnSched
BV80EnHiConductAlrm
BV81ManDrain
BV82EnPreheatOff
BV83EnPartFills
BV84DilDrainCfg.DailySched[1].Enable
BV85DilDrainCfg.DailySched[2].Enable
BV86DilDrainCfg.DailySched[3].Enable
BV87DilDrainCfg.DailySched[4].Enable
BV88DilDrainCfg.DailySched[5].Enable
BV89DilDrainCfg.DailySched[6].Enable
BV90DilDrainCfg.DailySched[7].Enable
BV91EnPeriodicDrain
BV92UnitPause
BV93Alrm_SVOffline.Active
BV101Alrm_HiBoilerTemp.Active
BV102Warn_AutotestCancel.Active
BV103Warn_NoDrainYet.Active
BV108DisableVarUnitPause
BV110EnPreheatNoReq

Integration notes

Source: section 11.2.3 'Table of BACnet variables', manual pages 55-59 (106 positive integer values, 51 analog values, 91 binary values).
The earlier heaterSteam UR manual (+0300080EN rel. 1.4, 2018) lists 188 objects; most share instance and name with this list, but SV_Command/SV_CommandResult sit at PIV 92/93 there (PIV 72/73 here), a few names differ and 60 objects here are new. See the separate heaterSteam UR (2018) entry.
Temperature, production and probe units follow the unit-of-measure setting (UoM, PIV 45: 1 = °C and kg/h, 2 = °F and lb/h).
Objects ending in NetStatus / Alrm_NetUnit only report in Main/Secondary networks; wireless probe objects only with CAREL wireless probes.
UnitStatus and NetStatus codes are the footnote list printed under the table.

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 heaterSteam 4 (UR) process / titanium 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 CAREL heaterSteam 4 (UR) process / titanium

How many BACnet points does the CAREL heaterSteam 4 (UR) process / titanium have?

This list has 248 BACnet objects: 51 analog values, 91 binary values, 106 positive integer values. The exact set on a given unit depends on its firmware, installed options and configuration.

Which CAREL heaterSteam 4 (UR) process / titanium BACnet points are writable?

123 of the 248 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.

Where is the official CAREL heaterSteam 4 (UR) process / titanium BACnet documentation?

The source is heaterSteam - UR Electric resistance humidifier - User manual (+0300087EN rel. 1.7), revision 2025-04-18, published free by CAREL at https://www.carel.com/documents/10191/0/%2B0300087EN/14647f23-54fd-4503-99a0-b2399a24cc60?version=1.16.

What are the minimum BACnet points to integrate the CAREL heaterSteam 4 (UR) process / titanium?

Start with BV 6 OnBySV (Unit on/off from the BMS); AV 11 SV_PwrReq (Production request from the BMS, 0-100 %); AV 14 GlbSetP_Hum (Humidity set point, %RH (own probe control)); BV 5 OnOffStatus (Unit on/off status); PIV 12 UnitStatus (Operating state code); AV 0 MainPrb (Main probe reading); AV 12 CurrProdPh (Current steam production, kg/h or lb/h); BV 14 CurrBlkAlrm.IsPresent (Resettable alarm active); BV 13 CurrBlkAlrm.IsBlocker (Shutdown alarm active).

How do I enable BMS control of the CAREL heaterSteam 4 (UR) process / titanium?

Does the CAREL heaterSteam 4 (UR) process / titanium need a BACnet heartbeat or have a communication timeout?

Eh08 can enable a supervisor-offline alarm (Alrm_SVOffline.Active, BV 93). The manual does not describe what the unit does with its output when the supervisor goes offline.

Can the BMS supply sensor values to the CAREL heaterSteam 4 (UR) process / titanium?

With control from supervisor the BMS sends the production request on SV_PwrReq (AV 11) instead of the unit using its own probe. Up to four CAREL wireless probes can also feed the unit.

How do I check these points on the real heaterSteam 4 (UR) process / titanium?

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 CAREL BACnet points lists

Source: heaterSteam - UR Electric resistance humidifier - User manual · +0300087EN rel. 1.7 · rev. 2025-04-18. Object names, instances and units are reproduced as published; descriptions are our own.