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WaterFurnace Dual Compressor Water-to-Air Heat Pump with Hot Gas Reheat (FX10) BACnet points list
Updated 4 November 2026
BACnet objects for WaterFurnace's dual-compressor water-to-air heat pump with hot gas reheat on the FX10 controller. The BAS can command occupancy and let the FX10 hold its setpoints, or send G, Y1, Y2 and O calls directly. Space temperature and humidity can be overridden from the network, and a dehumidification setpoint and dehumidistat command drive the reheat.
This page lists 55 BACnet objects for the WaterFurnace Dual Compressor Water-to-Air Heat Pump with Hot Gas Reheat (FX10) — 30 of them writable — with each object’s type, instance number, name, engineering units and access. It is re-typed from WaterFurnace’s own free documentation, linked below.
- Manufacturer
- WaterFurnace
- Model
- Dual Compressor Water-to-Air Heat Pump with Hot Gas Reheat (FX10)
- Equipment
- Water-source heat pump controller
- Equipment type
- Heat pumps
- BACnet objects
- 55 (30 writable)
- Transport
- —
- Firmware
- Not stated
- Also known as
- PRODCWA-RH-03, PRODCWA-RH, WaterFurnace dual compressor reheat FX10, WaterFurnace FX10
Reference only, provided as-is: verify against WaterFurnace’s current documentation and the live device before use. Not official WaterFurnace information. Terms of use.
BMS integration notes: WaterFurnace Dual Compressor Water-to-Air Heat Pump with Hot Gas Reheat (FX10)
The BAS can run this heat pump in two ways: command occupancy (MO1) and let the FX10 hold its occupied/unoccupied setpoints, or act as the thermostat and send fan, Y1, Y2 and O calls (MO2-MO5). Space temperature and humidity can be overridden on AO2 and AO3, and MO6 forces an emergency shutdown. Keep frequent writes on the volatile AO/MO points, not the flash-backed AV/MV setpoints.
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 |
|---|---|---|---|
| MO 1 | Occupancy Command | Occupied/unoccupied/bypass/standby command | Write |
| MO 6 | Emergency Override | Network emergency shutdown (1 = shutdown) | Write |
| AV 1 | Occupied Cool | Occupied cooling setpoint (flash; write rarely) | Write |
| AV 2 | Occupied Heat | Occupied heating setpoint (flash; write rarely) | Write |
| AV 5 | Dehum Setpt | Dehumidification setpoint for reheat (flash) | Write |
| MO 7 | Alarm Reset | Reset manual-reset alarms | Write |
| MI 2 | Mode | Current unit mode (auto, heat, cool, shutdown...) | Read |
| MI 5 | Comp1 Cmd Status | Compressor 1 commanded on/off | Read |
| AI 1 | Space Temp | Space sensor temperature (terminals RS/AIC) | Read |
| AI 8 | Alarms Enumerated | Active alarm code | Read |
Enable & remote start
The sheet has no separate BAS-enable point. MO6 Emergency Override puts the unit in shutdown (1) or back to auto (2). MO2-MO5 let the BAS send fan, compressor and reversing-valve calls directly.
Sensors & values from the BMS
AO2 Space Temp Ovrd and AO3 Space RH Ovrd replace the space temperature and humidity readings from the network. MO14 DHStat Cmd drives the dehumidistat input. All are volatile outputs and revert to uncommanded after a power cycle.
Watch out for
- AV/MV points are stored in flash (about 2,000,000 writes); write them only manually or by schedule, never from automatic reset logic.
- Output points (AO/MO) are volatile and go back to uncommanded after a power cycle, so rewrite them after power returns.
- If the BAS shows 254 as uncommanded instead of 255, every multistate value is one lower.
- Alarm Reset needs a write of 2 followed by 1.
WaterFurnace Dual Compressor Water-to-Air Heat Pump with Hot Gas Reheat (FX10) 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 | |||||
|---|---|---|---|---|---|---|
| AImin | 1 | Space Temp | Space sensor reading (terminals RS/AIC) | Read | ||
| AI | 2 | Discharge Air | Discharge air sensor (FX10 input AI4) | Read | ||
| AI | 3 | Circuit 1 Temp | Water coil heat exchanger temperature, circuit 1 | Read | ||
| AI | 4 | Circuit 2 Temp | Water coil heat exchanger temperature, circuit 2 | Read | ||
| AI | 5 | Active Clg Setpt | Effective cooling setpoint | Read | ||
| AI | 6 | Active Hgt Setpt | Effective heating setpoint | Read | ||
| AI | 7 | Low Temp Limit | Water coil low temperature limit | Read | ||
| AImin | 8 | Alarms Enumerated | Active alarm code (see alarm table) | Read | 0=No Alarm; 1=Condensate Detected; 2=Compressor 1 High Discharge Pressure; 3=Compressor 1 Low Suction Pressure; 4=Circuit 1 Low Temp Limit on Coax; 5=Compressor 2 High Discharge Pressure; 6=Compressor 2 Low Suction Pressure; 7=Circuit 2 Low Temp Limit on Coax; 8=Circuit 1 Bad Refrigerant Temp Sensor; 9=Circuit 2 Bad Refrigerant Temp Sensor | |
| AI | 9 | Space RH | Space relative humidity | % | Read | |
| AI | 10 | Lock Out | Generic alarm status (details in AI8) | Read | ||
| AI | 11 | Setpt Offset | Sensor warm/cool adjust value | Read | ||
| AO | 1 | Common Setpoint | Midpoint setpoint; moves heating and cooling setpoints together | Write | ||
| AO | 2 | Space Temp Ovrd | Network override of the space temperature reading | Write | ||
| AO | 3 | Space RH Ovrd | Network override of the space humidity reading | Write | ||
| AVmin | 1 | Occupied Cool | Occupied cooling setpoint (flash) | Write | ||
| AVmin | 2 | Occupied Heat | Occupied heating setpoint (flash) | Write | ||
| AV | 3 | Unoccupied Cool | Unoccupied cooling setpoint (flash) | Write | ||
| AV | 4 | Unoccupied Heat | Unoccupied heating setpoint (flash) | Write | ||
| AVmin | 5 | Dehum Setpt | Dehumidification setpoint for reheat operation | Write | ||
| AV | 6 | Max Hgt Setpt | Upper limit for the heating setpoint | Write | ||
| AV | 7 | Min Clg Setpt | Lower limit for the cooling setpoint | Write | ||
| AV | 8 | Remote Setpt Span | Setpoint shift span, default 2.7 C | Write | ||
| AV | 9 | Remote Setpt Bias | Calibrates the setpoint shift center point | Write | ||
| AV | 10 | Zone Temp Offset | Calibration offset for the zone sensor | Write | ||
| AV | 11 | Integration DeadBand | Zone temperature PI deadband | Write | ||
| AV | 12 | HGT Clg Integral Time | Zone temperature PI integration rate | Write | ||
| AV | 13 | Dehum Integral Time | Dehumidification PI integration rate | Write | ||
| MI | 1 | Effective Occupancy | Current occupancy status | Read | 1=Occupied; 2=Unoccupied; 3=Bypass (temporary occupancy) | |
| MImin | 2 | Mode | Current unit mode | Read | 1=Auto; 2=Heat; 3=Morning Warm-up; 4=Cool; 5=Night Purge; 6=Pre Cool; 7=Off (Shutdown); 8=Test; 9=Emergency Heat | |
| MI | 3 | BI7 | Digital input 7 state | Read | 1=Off; 2=On | |
| MI | 4 | Fan Cmd Status | Commanded fan status | Read | 1=Off; 2=On | |
| MImin | 5 | Comp1 Cmd Status | Commanded compressor 1 status | Read | 1=Off; 2=On | |
| MI | 6 | Comp2 Cmd Status | Commanded compressor 2 status | Read | 1=Off; 2=On | |
| MI | 7 | Rev Valve Status | Commanded reversing valve position | Read | 1=Heating; 2=Cooling | |
| MI | 8 | BO-5/Elect Heat | Commanded state of binary output 5 | Read | 1=Off; 2=On | |
| MI | 9 | BO-9 Spare | Commanded state of spare binary output 9 | Read | 1=Off; 2=On | |
| MI | 10 | BI8 Status | Digital input 8 state | Read | 1=Off; 2=On | |
| MI | 11 | BI9 Status | Digital input 9 state | Read | 1=Off; 2=On | |
| MI | 12 | BI10 Status | Digital input 10 state | Read | 1=Off; 2=On | |
| MI | 13 | Reheat Status 1 | Reheat control valve, circuit 1 | Read | 1=Off; 2=On | |
| MI | 14 | Reheat Status 2 | Reheat control valve, circuit 2 | Read | 1=Off; 2=On | |
| MOmin | 1 | Occupancy Command | Network occupancy command | Write | 1=Occupied; 2=Unoccupied; 3=Bypass; 4=Standby | |
| MO | 2 | Fan Command | Network fan call (thermostat G) | Write | 1=Off; 2=On | |
| MO | 3 | Comp1 Command (Y1) | Network compressor call (thermostat Y1) | Write | 1=Off; 2=On | |
| MO | 4 | Comp2 Command (Y2) | Network compressor call (thermostat Y2) | Write | 1=Off; 2=On | |
| MO | 5 | Rev Vlv Cmd | Network reversing valve call (thermostat O) | Write | 1=Heat; 2=Cooling | |
| MOmin | 6 | Emergency Override | Network emergency shutdown | Write | 1=Shutdown; 2=Auto | |
| MOmin | 7 | Alarm Reset | Reset manual-reset alarms: write 2, then back to 1 | Write | ||
| MO | 8 | BO5 Elect Heat | Network control of binary output 5 | Write | 1=Off; 2=On | |
| MO | 9 | BO9 Spare | Network control of binary output 9 | Write | 1=Off; 2=On | |
| MO | 14 | DHStat Cmd | Network control of the dehumidistat input | Write | 1=Off; 2=On | |
| MV | 1 | Sensor Select | Zone sensor type selection | Write | 1=TAXXJ02, TAXXA03, TAXXA04; 2=TAXXA01 | |
| MV | 2 | Acc 1 Action | Accessory 1 (X1) output with or without compressor | Write | 1=On with Compressor; 2=Off with Compressor | |
| MV | 3 | Fan Operation | Continuous or cycled fan | Write | 1=Continuous; 2=Cycled | |
| MV | 4 | Lead Lag | Compressor lead/lag | Write | 1=Disabled; 2=Enabled |
No points match these filters.
Object ID lookup: WaterFurnace Water-to-Air Dual Compressor Reheat (FX10) point IDs by name
AI1Space TempAI2Discharge AirAI3Circuit 1 TempAI4Circuit 2 TempAI5Active Clg SetptAI6Active Hgt SetptAI7Low Temp LimitAI8Alarms EnumeratedAI9Space RHAI10Lock OutAI11Setpt OffsetAO1Common SetpointAO2Space Temp OvrdAO3Space RH OvrdAV1Occupied CoolAV2Occupied HeatAV3Unoccupied CoolAV4Unoccupied HeatAV5Dehum SetptAV6Max Hgt SetptAV7Min Clg SetptAV8Remote Setpt SpanAV9Remote Setpt BiasAV10Zone Temp OffsetAV11Integration DeadBandAV12HGT Clg Integral TimeAV13Dehum Integral TimeMI1Effective OccupancyMI2ModeMI3BI7MI4Fan Cmd StatusMI5Comp1 Cmd StatusMI6Comp2 Cmd StatusMI7Rev Valve StatusMI8BO-5/Elect HeatMI9BO-9 SpareMI10BI8 StatusMI11BI9 StatusMI12BI10 StatusMI13Reheat Status 1MI14Reheat Status 2MO1Occupancy CommandMO2Fan CommandMO3Comp1 Command (Y1)MO4Comp2 Command (Y2)MO5Rev Vlv CmdMO6Emergency OverrideMO7Alarm ResetMO8BO5 Elect HeatMO9BO9 SpareMO14DHStat CmdMV1Sensor SelectMV2Acc 1 ActionMV3Fan OperationMV4Lead Lag
Integration notes
- Output-type points (AO/MO) are volatile and fall back to uncommanded after a power cycle; unlimited writes.
- Value-type points (AV/MV) are stored in flash (about 2,000,000 write life); never write them from automatic reset logic.
- Multistate numbers assume the BAS shows 255 as uncommanded; if yours shows 254, every state number is one lower (0=Off, 1=On).
- Units are not printed on the sheet. The sheet does not state the BACnet transport.
- The sheet jumps from MO9 to MO14 (DHStat Cmd); MO10-MO13 are not listed.
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 Dual Compressor Water-to-Air Heat Pump with Hot Gas Reheat (FX10) 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 WaterFurnace Dual Compressor Water-to-Air Heat Pump with Hot Gas Reheat (FX10)
How many BACnet points does the WaterFurnace Dual Compressor Water-to-Air Heat Pump with Hot Gas Reheat (FX10) have?
This list has 55 BACnet objects: 11 analog inputs, 3 analog outputs, 13 analog values, 14 multi-state inputs, 10 multi-state outputs, 4 multi-state values. The exact set on a given unit depends on its firmware, installed options and configuration.
Which WaterFurnace Dual Compressor Water-to-Air Heat Pump with Hot Gas Reheat (FX10) BACnet points are writable?
30 of the 55 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 WaterFurnace Dual Compressor Water-to-Air Heat Pump with Hot Gas Reheat (FX10) BACnet documentation?
The source is BACnet Points for Dual Compressor Water-to-Air Heat Pumps With Hot Gas Reheat Utilizing the FX10 Controller (PRODCWA-RH-03), revision 2013-02, published free by WaterFurnace at https://www.waterfurnace.com/downloads/ddc/BACnet-Resources/BACnet-points-pdfs/PRODCWA-RH-03.pdf.
What are the minimum BACnet points to integrate the WaterFurnace Dual Compressor Water-to-Air Heat Pump with Hot Gas Reheat (FX10)?
Start with MO 1 Occupancy Command (Occupied/unoccupied/bypass/standby command); MO 6 Emergency Override (Network emergency shutdown (1 = shutdown)); AV 1 Occupied Cool (Occupied cooling setpoint (flash; write rarely)); AV 2 Occupied Heat (Occupied heating setpoint (flash; write rarely)); AV 5 Dehum Setpt (Dehumidification setpoint for reheat (flash)); MO 7 Alarm Reset (Reset manual-reset alarms); MI 2 Mode (Current unit mode (auto, heat, cool, shutdown...)); MI 5 Comp1 Cmd Status (Compressor 1 commanded on/off); AI 1 Space Temp (Space sensor temperature (terminals RS/AIC)); AI 8 Alarms Enumerated (Active alarm code).
How do I enable BMS control of the WaterFurnace Dual Compressor Water-to-Air Heat Pump with Hot Gas Reheat (FX10)?
The sheet has no separate BAS-enable point. MO6 Emergency Override puts the unit in shutdown (1) or back to auto (2). MO2-MO5 let the BAS send fan, compressor and reversing-valve calls directly.
Can the BMS supply sensor values to the WaterFurnace Dual Compressor Water-to-Air Heat Pump with Hot Gas Reheat (FX10)?
AO2 Space Temp Ovrd and AO3 Space RH Ovrd replace the space temperature and humidity readings from the network. MO14 DHStat Cmd drives the dehumidistat input. All are volatile outputs and revert to uncommanded after a power cycle.
How do I check these points on the real Dual Compressor Water-to-Air Heat Pump with Hot Gas Reheat (FX10)?
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.
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Source: BACnet Points for Dual Compressor Water-to-Air Heat Pumps With Hot Gas Reheat Utilizing the FX10 Controller · PRODCWA-RH-03 · rev. 2013-02. Object names, instances and units are reproduced as published; descriptions are our own.