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Boiler controller · BACnet points list

Contemporary Controls Harsco Patterson-Kelley NURO via BASgatewayLX BACnet points list

Updated 12 November 2026

Short answer

Gateway profile for the Patterson-Kelley NURO: 50 objects (29 AI, 21 BI), all polled. It reads outlet, inlet, stack, DHW, header, exchanger and outdoor temperatures, safety-chain and relay states, active setpoints, demand source, boiler state, flame signal, fan speed, firing rate, error code and the BMS CH/DHW values.

This page lists 50 BACnet objects for the Contemporary Controls Harsco Patterson-Kelley NURO via BASgatewayLX — 0 of them writable — with each object’s type, instance number, name, engineering units and access. It is re-typed from Contemporary Controls’s own free documentation, linked below.

Manufacturer
Contemporary Controls
Model
Harsco Patterson-Kelley NURO via BASgatewayLX
Equipment
Boiler controller
Equipment type
Boilers & water heaters
BACnet objects
50 (0 writable)
Transport
BACnet IP
Firmware
Not stated
Also known as
NURO, Patterson-Kelley NURO, Harsco Air-Xchange NURO, P-K NURO
Source document
BASgatewayLX Modbus device profile Harsco_Patterson_NURO_a · Harsco_Patterson_NURO_a_LX.csv
Download CSV 50 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 Contemporary Controls’s current documentation and the live device before use. Not official Contemporary Controls information. Terms of use.

BMS integration notes: Contemporary Controls Harsco Patterson-Kelley NURO via BASgatewayLX

Integration in brief

Read boiler state, outlet temperature, active setpoint and firing rate; BMS setpoint and demand objects are inputs here, so they show what the boiler holds rather than accept writes.

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.

ObjectNameWhyAccess
AI 37Boiler StateBoiler stateRead
BI 14EnableEnable inputRead
AI 1Outlet TemperatureOutlet temperatureRead
AI 2Inlet TemperatureInlet temperatureRead
AI 33CH Mode Active SetpointActive CH setpointRead
AI 40Firing RateFiring rateRead
AI 38Flame SignalFlame signalRead
BI 18Alarm relay onAlarm relay onRead
AI 41Error CodeError codeRead

Network setup

Watch out for

Contemporary Controls Harsco Patterson-Kelley NURO via BASgatewayLX 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.

50 of 50 shown
Type
AnalogBinary
Show
Contemporary Controls Harsco Patterson-Kelley NURO via BASgatewayLX BACnet Points List
DescriptionStates
AImin1Outlet TemperatureModbus 400101°CRead
AImin2Inlet TemperatureModbus 400102°CRead
AI3Stack TemperatureModbus 400103°CRead
AI4DHW TemperatureModbus 400104°CRead
AI5Header TemperatureModbus 400105°CRead
AI6HX TemperatureModbus 400106°CRead
AI7ODA Temperature FilteredModbus 400107°CRead
AI8Extra Field TemperatureModbus 400108°CRead
AI9Wireless Temperature (ODA)Modbus 400109°CRead
AI10Analog InputModbus 400110mARead
AI11Analog OutputModbus 400111mARead
BI12Safety relayModbus 400112 bit 15Read
BI13Night setback inputModbus 400112 bit 14Read
BImin14EnableModbus 400112 bit 13Read
BI15Limit control circuitModbus 400112 bit 10Read
BI16Damper end switch inputModbus 400112 bit 9Read
BI17Interlock control circuitModbus 400112 bit 8Read
BImin18Alarm relay onModbus 400112 bit 7Read
BI19Gas valve openModbus 400112 bit 5Read
BI20External ignition onModbus 400112 bit 4Read
BI21Relay D onModbus 400112 bit 3Read
BI22Relay C onModbus 400112 bit 2Read
BI23Relay B onModbus 400112 bit 1Read
BI24Relay A onModbus 400113 bit 0Read
BI25Auxiliary input 2Modbus 400113 bit 7Read
BI26High gas pressureModbus 400113 bit 6Read
BI27High temperature limitModbus 400113 bit 5Read
BI28Low water cut-offModbus 400113 bit 4Read
BI29Auxiliary input 1Modbus 400113 bit 3Read
BI30Start Interlock 2Modbus 400113 bit 2Read
BI31Start Interlock 1Modbus 400113 bit 1Read
BI32Air switchModbus 400113 bit 0Read
AImin33CH Mode Active SetpointModbus 400114°CRead
AI34DHW Mode Active SetpointModbus 400115°CRead
AI35Demand SourceModbus 400131Read
AI36Active Demand StatusModbus 400132Read
AImin37Boiler StateModbus 400133Read
AImin38Flame SignalModbus 400134Read
AI39Fan SpeedModbus 400135Read
AImin40Firing RateModbus 400136%Read
AImin41Error CodeModbus 400137Read
AI42Error TypeModbus 400139Read
AI43Burner Control Cycle CountModbus 400152Read
AI44Burner Control Run HoursModbus 400154hRead
AI45CH boiler controlModbus 400172Read
AI46BMS CH setpointModbus 400173°CRead
AI47BMS CH demandModbus 400174°CRead
AI48DHW boiler controlModbus 400192°CRead
AI49BMS DHW setpointModbus 400193°CRead
AI50BMS DHW tank setpointModbus 400194°CRead
Object ID lookup: Contemporary Controls BASgatewayLX Patterson-Kelley NURO point IDs by name

Integration notes

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 Harsco Patterson-Kelley NURO via BASgatewayLX 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 Contemporary Controls Harsco Patterson-Kelley NURO via BASgatewayLX

How many BACnet points does the Contemporary Controls Harsco Patterson-Kelley NURO via BASgatewayLX have?

This list has 50 BACnet objects: 29 analog inputs, 21 binary inputs. The exact set on a given unit depends on its firmware, installed options and configuration.

Which Contemporary Controls Harsco Patterson-Kelley NURO via BASgatewayLX BACnet points are writable?

None of the listed objects are marked writable in the source documentation. The source has no read/write column, so this is inferred from object type.

Where is the official Contemporary Controls Harsco Patterson-Kelley NURO via BASgatewayLX BACnet documentation?

The source is BASgatewayLX Modbus device profile Harsco_Patterson_NURO_a (Harsco_Patterson_NURO_a_LX.csv), published free by Contemporary Controls at https://www.ccontrols.com/support/dp/NURO_Harsco_Patterson.zip.

What are the minimum BACnet points to integrate the Contemporary Controls Harsco Patterson-Kelley NURO via BASgatewayLX?

Start with AI 37 Boiler State (Boiler state); BI 14 Enable (Enable input); AI 1 Outlet Temperature (Outlet temperature); AI 2 Inlet Temperature (Inlet temperature); AI 33 CH Mode Active Setpoint (Active CH setpoint); AI 40 Firing Rate (Firing rate); AI 38 Flame Signal (Flame signal); BI 18 Alarm relay on (Alarm relay on); AI 41 Error Code (Error code).

How do I check these points on the real Harsco Patterson-Kelley NURO via BASgatewayLX?

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 Contemporary Controls BACnet points lists

Source: BASgatewayLX Modbus device profile Harsco_Patterson_NURO_a · Harsco_Patterson_NURO_a_LX.csv. Object names, instances and units are reproduced as published; descriptions are our own.