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Electric resistive steam humidifier · BACnet points list
Condair Condair RS BACnet points list
Updated 28 October 2026
The Condair RS is an electric heating-element steam humidifier with one or two cylinders. The Integrated Controller exposes BACnet IP and MS/TP on-board. Objects report per-cylinder status, level, capacity, maintenance countdowns and safety chain inputs, plus two-channel setpoints and writable demand inputs for main and limiter signals.
This page lists 62 BACnet objects for the Condair Condair RS — 13 of them writable — with each object’s type, instance number, name, engineering units and access. It is re-typed from Condair’s own free documentation, linked below.
- Manufacturer
- Condair
- Model
- Condair RS
- Equipment
- Electric resistive steam humidifier
- Equipment type
- Humidifiers
- BACnet objects
- 62 (13 writable)
- Transport
- BACnet IP, BACnet MS/TP
- Firmware
- Not stated
- Default device instance
- 1001
- Also known as
- Condair RS II, RS resistive steam humidifier, Nortec RS
BMS integration notes: Condair Condair RS
Enable BACnet in the Integrated Controller, set the signal source to BACnet, and write demand or RH to AO 15012 (and a limiter value to AO 15014 if dual signal control is used) within the signal timeout. Read cylinder A/B status, the error status and code, and actual capacity.
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 |
|---|---|---|---|
| AO 15012 | RH or Demand CH1 via BACnet | Channel 1 demand or RH from the BMS | Command |
| AO 15014 | RH or Demand CH2 via BACnet | Channel 2 limiter signal (dual signal control) | Command |
| AV 15094 | Setpoint CH1 | Channel 1 humidity setpoint used in RH P/PI mode | Write |
| MI 5109 | Device Status Cyl. A | Cylinder A status | Read |
| MI 5110 | Device Status Cyl. B | Cylinder B status (dual units) | Read |
| AI 10225 | Actual Hum. Capacity | Actual steam output | Read |
| MI 5159 | Error Status | Maintenance/error status | Read |
| AI 10020 | ErrorWarning Code | Active error or warning code | Read |
Enable & remote start
Set Menu > password 8808 > Controls > Signal Settings > Source to BACnet and pick the Control Mode (Demand, RH P or RH PI; On/Off also exists). With Source left at Analog the unit ignores BACnet control values.
Heartbeat & communication loss
When the signal source is not Analog, the demand/humidity value written over BACnet must be refreshed within the Signal Timeout (1-300 s, default 300 s). If it is not, warning W35 Signal Timeout is raised and the unit stops until a new value arrives, so the BMS must keep rewriting the AO.
Sensors & values from the BMS
In Demand mode the BMS writes the required output (0-100 %) to the RH/Demand AO. In RH P or RH PI mode the BMS writes the measured humidity there and the controller's own setpoint, P-band and I-time AVs do the control. Do not connect a hard-wired demand or sensor signal while the BACnet signal is used. Channel 2 (AO 15014) is only active with dual signal control, typically a supply-air high limit.
Network setup
- BACnet settings are under Menu > password 8808 > Network > BACnet Settings; the BACnet Protocol parameter ships Off (options MS/TP Master, MS/TP Slave, BACnet/IP) and the controller restarts after changing it.
- Node ID (device instance) defaults to 1001 (range 1-4194303); BACnet IP port defaults to 47808.
- IP addressing defaults to DHCP; if no DHCP server answers the controller falls back to an APIPA 169.254.x.x address.
- Foreign Device registration to a BBMD is Off by default; BBMD port 47808 and re-register time 10 are the factory values.
- MS/TP: MAC defaults to 127 (0-127 master, 0-254 slave), baud 9600 (up to 115200); fit jumper JP6 only on the first and last device, remove JP8, and tie GND between all devices.
Watch out for
- Cylinder B objects only mean something on dual-cylinder units.
- BI 28 is Remote Furnace/Fan on UL units and External Pipe Flush on CE units.
- RS Drain AVs: write 1 to start, 0 to stop; a read of 100 means off.
- Capacity units follow the Metric/Imperial setting.
Condair Condair RS 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.
| Description | States | |||||
|---|---|---|---|---|---|---|
| DEV | 1001 | Condair Controller | Humidifier | Read | ||
| Other | 1 | Network Port IPv4 | Network-Port for BACnet IPv4 Communication | Write | ||
| MImin | 5109 | Device Status Cyl. A | Actual device status cylinder A | Read | 1=Initializing, 2=Diagnostic, 3=Stopped, 4=Break, 5=Level Test, 6=Standby, 7=Humidifying, 8=Filling, 9=Idle, 10=Draining, 11=Remote Off, 12=Keep Warm | |
| MImin | 5110 | Device Status Cyl. B | Actual device status cylinder B | Read | 1=Initializing, 2=Diagnostic, 3=Stopped, 4=Break, 5=Level Test, 6=Standby, 7=Humidifying, 8=Filling, 9=Idle, 10=Draining, 11=Remote Off, 12=Keep Warm | |
| MImin | 5159 | Error Status | Maintenance and error status | Read | 1=Service Info, 2=Warning, 3=RO Service, 4=Extended Maintenance, 5=Small Maintenance, 6=Activation Code, 7=Error | |
| MI | 5123 | Nominal Voltage | Nominal voltage device | Read | 1=200 V, 2=208 V, 3=230 V, 4=240 V, 5=380V, 6=400 V, 7=415 V, 8=440 V, 9=460 V, 10=480 V, 11=500 V, 12=550 V, 13=600 V | |
| AI | 15044 | Level Cyl. A | Water level cylinder A | Read | 1=no level, 2=low, 3=low-mid, 4=mid, 5=mid-high, 6=high | |
| AI | 15045 | Level Cyl. B | Water level cylinder B | Read | 1=no level, 2=low, 3=low-mid, 4=mid, 5=mid-high, 6=high | |
| AImin | 10020 | ErrorWarning Code | Code of the latest pending error or warning | Read | 0=No error | |
| AI | 10219 | Operating Hours | Total hours of operation since commissioning | h | Read | |
| AI | 15124 | Operating Hours Cyl. A | Total hours of operation since commissioning of cylinder A | h | Read | |
| AI | 15125 | Operating Hours Cyl. B | Total hours of operation since commissioning of cylinder B | h | Read | |
| AI | 10221 | System Demand | Actual demand of the system | % | Read | |
| AI | 15103 | Control CH1 | Actual humidity or demand signal CH1 | % | Read | |
| AI | 15104 | Control CH2 | Actual humidity or demand signal CH2 | % | Read | |
| AI | 10216 | Max Hum. Capacity | Maximum humidifying capacity | kg/h or lb/h | Read | |
| AI | 15117 | Max Hum. Capacity Cyl. A | Maximum humidifying capacity cylinder A | kg/h or lb/h | Read | |
| AI | 15118 | Max Hum. Capacity Cyl. B | Maximum humidifying capacity cylinder B | kg/h or lb/h | Read | |
| AImin | 10225 | Actual Hum. Capacity | Actual humidifying capacity | kg/h or lb/h | Read | |
| AI | 15025 | Actual Hum. Capacity Cyl. A | Actual humidifying capacity cylinder A | kg/h or lb/h | Read | |
| AI | 15026 | Actual Hum. Capacity Cyl. B | Actual humidifying capacity cylinder B | kg/h or lb/h | Read | |
| AI | 15120 | Next Small Maintenance Cyl. A | Due date of next small maintenance cylinder A | h | Read | |
| AI | 15121 | Next Small Maintenance Cyl. B | Due date of next small maintenance cylinder B | h | Read | |
| AI | 15122 | Next Extended Maint. Cyl. A | Due date of next extended maintenance cylinder A | h | Read | |
| AI | 15123 | Next Extended Maint. Cyl. B | Due date of next extended maintenance cylinder B | h | Read | |
| AVmin | 15094 | Setpoint CH1 | Setpoint humidity channel 1 | % | Write | |
| AV | 15095 | Setpoint CH2 | Setpoint humidity channel 2 | % | Write | |
| AV | 15096 | P-Band CH1 | Proportional band humidity channel 1 | % | Write | |
| AV | 15097 | P-Band CH2 | Proportional band humidity channel 2 | % | Write | |
| AV | 15098 | I-Time CH1 | Integral time humidity channel 1 | min | Write | |
| AV | 15099 | I-Time CH2 | Integral time humidity channel 2 | min | Write | |
| AV | 15102 | Capacity Limitation | Limitation of the maximum possible ouput | % | Write | |
| AV | 30504 | RS Drain | Remote RS drain | % | Write | Read: 100=Off, 0 - 99=Progress draining in %, Write: 0=Stop draining, 1=Start draining cylinder A + B |
| AV | 30502 | RS Drain Cyl. A | Remote RS drain cylinder A | % | Write | Read: 100=Off, 0 - 99=Progress draining in %, Write: 0=Stop draining, 1=Start draining cylinder A |
| AV | 30503 | RS Drain Cyl. B | Remote RS drain cylinder B | % | Write | Read: 100=Off, 0 - 99=Progress draining in %, Write: 0=Stop draining, 1=Start draining cylinder B |
| AOmin | 15012 | RH or Demand CH1 via BACnet | Actual humidity or demand via BACnet channel 1 | % | Command | |
| AOmin | 15014 | RH or Demand CH2 via BACnet | Actual humidity or demand via BACnet channel 2 | % | Command | |
| BI | 5011 | Overheat Switch Cyl. A | Overheat switch cylinder A | Read | 0=Open, 1=Closed (=ok) | |
| BI | 5012 | Overheat Switch Cyl. B | Overheat switch cylinder B | Read | 0=Open, 1=Closed (=ok) | |
| BI | 5017 | Safety Loop Cyl. A | External safety loop cylinder A | Read | 0=Open, 1=Closed (=ok) | |
| BI | 5018 | Safety Loop Cyl. B | External safety loop cylinder B | Read | 0=Open, 1=Closed (=ok) | |
| BI | 5013 | Security Floater Cyl. A | Security floater cylinder A | Read | 0=Open, 1=Closed (=ok) | |
| BI | 5014 | Security Floater Cyl. B | Security floater cylinder B | Read | 0=Open, 1=Closed (=ok) | |
| BI | 5015 | Heating Voltage Cyl. A | Heating voltage cylinder A | Read | 0=Off, 1=On | |
| BI | 5016 | Heating Voltage Cyl. B | Heating voltage cylinder B | Read | 0=Off, 1=On | |
| BI | 5021 | Blower Pack Cyl. A | Blower pack ready cylinder A | Read | 0=Off, 1=On (ready) | |
| BI | 5022 | Blower Pack Cyl. B | Blower pack ready cylinder B | Read | 0=Off, 1=On (ready) | |
| BI | 5027 | Main Contactor Cyl. A | Main contactor cylinder A | Read | 0=Off, 1=On | |
| BI | 5028 | Main Contactor Cyl. B | Main contactor cylinder B | Read | 0=Off, 1=On | |
| BI | 5029 | Relay Pump Cyl. A | Relay pump cylinder A | Read | 0=Off, 1=On | |
| BI | 5030 | Relay Pump Cyl. B | Relay pump cylinder B | Read | 0=Off, 1=On | |
| BI | 5089 | Inlet Valve 1 Cyl. A | Inlet valve 1 cylinder A | Read | 0=Closed, 1=Open | |
| BI | 5090 | Inlet Valve 1 Cyl. B | Inlet valve 1 cylinder B | Read | 0=Closed, 1=Open | |
| BI | 5091 | Inlet Valve 2 Cyl. A | Inlet valve 2 cylinder A | Read | 0=Closed, 1=Open | |
| BI | 5092 | Inlet Valve 2 Cyl. B | Inlet valve 2 cylinder B | Read | 0=Closed, 1=Open | |
| BI | 5093 | Drain Cooling Valve Cyl. A | Drain cooling valve cylinder A | Read | 0=Closed, 1=Open | |
| BI | 5094 | Drain Cooling Valve Cyl. B | Drain cooling valve cylinder B | Read | 0=Closed, 1=Open | |
| BI | 5095 | Complete Drain Valve Cyl. A | Complete drain valve cylinder A (optional) | Read | 0=Closed, 1=Open | |
| BI | 5096 | Complete Drain Valve Cyl. B | Complete drain valve cylinder B (optional) | Read | 0=Closed, 1=Open | |
| BI | 5009 | Leakage Sensor | Leakage Sensor (optional) | Read | 0=Leak, 1=OK | |
| BI | 28 | Furnace Fan | UL units: remote furnace/fan (optional) | Read | 0=Off, 1=On | |
| BI | 28 | Ext. Pipe Flush | CE units: external pipe flush (shares BI 28 with Furnace Fan) (optional) | Read | 0=Off, 1=On |
No points match these filters.
Integration notes
- BACnet is built into the Integrated Controller (RJ45 for BACnet IP, RS485 for MS/TP master or slave); it ships with the BACnet protocol set to Off.
- Factory Node ID (device instance) is 1001 and the MS/TP MAC is 127; BACnet IP uses UDP 47808 and supports registering with a BBMD.
- To command the unit over BACnet set Controls > Signal Settings > Source to BACnet; the demand/humidity AO must then be rewritten within the Signal Timeout (default 300 s) or the unit stops with warning W35.
- Points marked optional only report when that option is fitted; capacity, pressure and temperature units follow the controller's Metric/Imperial setting.
- Cylinder B objects only apply to dual-cylinder units; channel 2 is used for a limiter (e.g. supply-air high limit) when dual signal control is enabled.
- BI 28 is Furnace Fan on UL units and External Pipe Flush on CE units.
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 Condair RS 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 Condair Condair RS
How many BACnet points does the Condair Condair RS have?
This list has 62 BACnet objects: 19 analog inputs, 2 analog outputs, 10 analog values, 25 binary inputs, 1 device, 4 multi-state inputs, 1 other. The exact set on a given unit depends on its firmware, installed options and configuration.
Which Condair Condair RS BACnet points are writable?
13 of the 62 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 Condair Condair RS BACnet documentation?
The source is BACnet on-board - Addendum manual for installation and operation (DL II, ME II, RS II, RO-E and Vita) (2603582-F), revision 2026-07, published free by Condair at https://www.condair.co.uk/consense/bms-communication-ic-2.0/am_bms_interface_bacnet_on_board_2603582_en.pdf.
What are the minimum BACnet points to integrate the Condair Condair RS?
Start with AO 15012 RH or Demand CH1 via BACnet (Channel 1 demand or RH from the BMS); AO 15014 RH or Demand CH2 via BACnet (Channel 2 limiter signal (dual signal control)); AV 15094 Setpoint CH1 (Channel 1 humidity setpoint used in RH P/PI mode); MI 5109 Device Status Cyl. A (Cylinder A status); MI 5110 Device Status Cyl. B (Cylinder B status (dual units)); AI 10225 Actual Hum. Capacity (Actual steam output); MI 5159 Error Status (Maintenance/error status); AI 10020 ErrorWarning Code (Active error or warning code).
How do I enable BMS control of the Condair Condair RS?
Set Menu > password 8808 > Controls > Signal Settings > Source to BACnet and pick the Control Mode (Demand, RH P or RH PI; On/Off also exists). With Source left at Analog the unit ignores BACnet control values.
Does the Condair Condair RS need a BACnet heartbeat or have a communication timeout?
When the signal source is not Analog, the demand/humidity value written over BACnet must be refreshed within the Signal Timeout (1-300 s, default 300 s). If it is not, warning W35 Signal Timeout is raised and the unit stops until a new value arrives, so the BMS must keep rewriting the AO.
Can the BMS supply sensor values to the Condair Condair RS?
In Demand mode the BMS writes the required output (0-100 %) to the RH/Demand AO. In RH P or RH PI mode the BMS writes the measured humidity there and the controller's own setpoint, P-band and I-time AVs do the control. Do not connect a hard-wired demand or sensor signal while the BACnet signal is used. Channel 2 (AO 15014) is only active with dual signal control, typically a supply-air high limit.
How do I check these points on the real Condair RS?
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 Condair BACnet points lists
- Hybrid (spray + evaporative) humidifier
Condair Condair DL
Condair DL / DL II hybrid in-duct humidifiers with the Integrated Controller.
Also known as: Condair DL II, DL hybrid humidifier, Integrated Controller DL - Hybrid humidifier BACnet gateway
Condair Condair DL (BACnet gateway board)
Condair DL hybrid humidifiers (Integrated Controller 5.9.x.x) fitted with the optional BACnet/LonWorks gateway board.
Also known as: Virtual_BCU_DL, DL ProtoCessor gateway, BMS DL BACnet - Gas-fired steam humidifier
Condair Condair GS II
Condair GS II gas-fired steam humidifiers with the Integrated Controller (software 5.10.1.14 or later).
Also known as: Condair GS, Nortec GS II, GS gas-fired humidifier - Evaporative humidifier / cooler
Condair Condair ME
Condair ME / ME II in-duct evaporative humidifiers and evaporative coolers.
Also known as: Condair ME II, ME evaporative humidifier - Evaporative humidifier BACnet gateway
Condair Condair ME (BACnet gateway board)
Condair ME evaporative humidifiers (Integrated Controller 5.9.x.x and 5.10.x.x) with the optional BACnet/LonWorks gateway board.
Also known as: Virtual_BCU_ME, ME ProtoCessor gateway - Reverse osmosis water treatment unit
Condair Condair RO-A
Condair RO-A reverse osmosis units connected through the Integrated Controller.
Also known as: RO-A reverse osmosis - Reverse osmosis water treatment unit
Condair Condair RO-E
Condair RO-E and RO-E+ reverse osmosis water treatment units for humidifier feed water.
Also known as: Condair RO-E+, RO-E reverse osmosis - Resistive steam humidifier BACnet gateway
Condair Condair RS (BACnet gateway board)
Condair RS resistive steam humidifiers (Integrated Controller 5.9.x.x) with the optional BACnet/LonWorks gateway board.
Also known as: Virtual_BCU_RS, RS ProtoCessor gateway - High-pressure nozzle humidification system
Condair Condair Vita
Condair Vita high-pressure nozzle humidification systems with up to 50 areas.
Also known as: Condair Vita high-pressure, Vita System Master
Source: BACnet on-board - Addendum manual for installation and operation (DL II, ME II, RS II, RO-E and Vita) · 2603582-F · rev. 2026-07. Object names, instances and units are reproduced as published; descriptions are our own.