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Boiler outdoor reset control · BACnet points list
Heat-Timer HWR Platinum (BACnet) BACnet points list
Updated 6 November 2026
The HWR Platinum is an outdoor-reset control for one boiler burner or a motorized valve. With the BACnet board it exposes its settings and readings as Analog, Binary and Multi-state Values with instances in steps of 100. Most settings are writable from the BMS; the sensor readings, outputs and calculated target are read-only.
This page lists 32 BACnet objects for the Heat-Timer HWR Platinum (BACnet) — 25 of them writable — with each object’s type, instance number, name, engineering units and access. It is re-typed from Heat-Timer’s own free documentation, linked below.
- Manufacturer
- Heat-Timer
- Model
- HWR Platinum (BACnet)
- Equipment
- Boiler outdoor reset control
- Equipment type
- Boilers & water heaters
- BACnet objects
- 32 (25 writable)
- Transport
- BACnet IP, BACnet MS/TP
- Firmware
- Not stated
- Also known as
- HWR, HWR Platinum, Heat-Timer HWR, Platinum BACnet
Reference only, provided as-is: verify against Heat-Timer’s current documentation and the live device before use. Not official Heat-Timer information. Terms of use.
BMS integration notes: Heat-Timer HWR Platinum (BACnet)
The HWR runs its own outdoor reset. From the BMS, read the calculated target, system and outdoor temperatures and the burner/valve and pump outputs; adjust the reset with OFFSET, the reset ratio R or the minimum/maximum targets, and force a day/night shift if needed.
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 |
|---|---|---|---|
| MV 2500 | SHIFT | Force day/night: 1 ToDay, 2 ToNight, 3 ExtendDay | Write |
| AV 1500 | OFFSET | Shift of the reset curve, °F or °C | Write |
| AV 2800 | TARG | Calculated water target | Read |
| AV 2600 | SYSSEN | System (supply) water temperature | Read |
| AV 1300 | ODTEMP | Outdoor temperature | Read |
| BV 400 | BURNER | Burner output (1 = on) | Read |
| MV 2900 | VALVE | Valve: 1 inactive, 2 close, 3 open | Read |
| BV 2000 | PUMP | Pump output (1 = on) | Read |
Network setup
- BACnet IP or BACnet MS/TP is chosen at the panel (Network Settings > Switch to IP / Switch to MS/TP).
- Device ID is a 7-digit number entered at the panel; the device object name is HTC_ followed by the panel serial number.
- MS/TP: MAC address 1-127 (default 1), baud 9600, 19200 or 38400 (default 9600), 8 data bits, no parity, 1 stop bit.
- IP: leave the IP and mask blank for DHCP, or enter a fixed address at the panel.
Watch out for
- BDIFF and BURNER apply when OPMODE = Burner; VALVE applies when OPMODE = Motorized Valve.
- The weekly schedule is 56 AV slots (7 days x 4 day/night pairs), in minutes since midnight; 1440 = empty slot.
Heat-Timer HWR Platinum (BACnet) 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 | |||||
|---|---|---|---|---|---|---|
| AV | 0 | BDIFF | Burner Differential; range 0 - 8°C, 0 - 15°F | °F or °C (per INMODE) | Write | |
| AV | 100 | BOOST | Boost Offset; range 0 - 33°C, 0 - 60°F | °F or °C (per INMODE) | Write | |
| MV | 200 | BOOSTMODE | Boost Mode | Write | 1=Off, 2=Vari Boost, 3=Vari Boost & ESD | |
| AV | 300 | BPTIME | Bypass Time; range 0 - 2,147,483,647 | min | Read | |
| BVmin | 400 | BURNER | Burner | Read | 0=Off, 1=On | |
| MV | 500 | BYPASSMODE | Bypass Mode | Write | 1=Auto, 2=Valve Close, 3=Valve Open / Bypass | |
| AV | 600 | CUTOFF | Outdoor Day Cutoff; range 0 - 25°C, 30 - 75°F | °F or °C (per INMODE) | Write | |
| BV | 700 | DHWMODE | DHW Call Mode | Write | 0=No Priority, 1=Priority | |
| BV | 800 | DLS | Day Light Saving | Write | 0=Enable, 1=Disable | |
| BV | 900 | FAULTMODE | Sensor Fault Mode | Write | 0=Output On, 1=Output Off | |
| BV | 1000 | FCD | Fast Cool Down | Write | 0=Minimum Water Temp, 1=Off | |
| BV | 1100 | INMODE | Sensor Type | Write | 0=°F, 1=°C | |
| AV | 1200 | MINTGT | Min Water Temperature; range 21 - 71°C, 70 - 170°F | °F or °C (per INMODE) | Write | |
| AVmin | 1300 | ODTEMP | Outdoor Sensor; range -40 - +122°C, -40 - +250°F | °F or °C (per INMODE) | Read | |
| AV | 1400 | ODTRIM | Outdoor Sensor Trim; range -3 - +3°C, -5 - +5°F | °F or °C (per INMODE) | Write | |
| AVmin | 1500 | OFFSET | Offset Temperature; range -22 - +22°C, -40 - +40°F | °F or °C (per INMODE) | Write | |
| BV | 1600 | OPMODE | Output Mode | Write | 0=Burner, 1=Motorized Valve | |
| AV | 1700 | PDATE | Panel Date; range 0 - 2,147,483,647 | days since 1/1/1981 | Write | |
| AV | 1800 | PRUNON | Pump Run-On; range 0 - 60 | min | Write | |
| AV | 1900 | PTIME | Panel Time; range 0 - 1439 | min since 0:00 | Write | |
| BVmin | 2000 | PUMP | Pump | Read | 0=Off, 1=On | |
| MV | 2100 | R | Reset Ratio | Write | 1=A, 2=B, 3=C, 4=D, 5=E, 6=F, 7=G, 8=H, 9=I, 10=J | |
| AV | 2200 | SCHEDULES00 | Schedules; range 0 - 1439, 1440=empty schedule (first of 2200-2255) | min since 0:00 | Write | |
| AV | 2255 | SCHEDULES55 | Schedules; range 0 - 1439, 1440=empty schedule (last of 2200-2255) | min since 0:00 | Write | |
| BV | 2300 | SEASON | Season | Write | 0=Winter, 1=Summer | |
| AV | 2400 | SETBACK | Night Setback Temperature; range -44 - 0°C, -80 - 0°F | °F or °C (per INMODE) | Write | |
| MVmin | 2500 | SHIFT | Day Night Shift | Write | 1=ToDay, 2=ToNight, 3=ExtendDay, 4=Resync | |
| AVmin | 2600 | SYSSEN | System Sensor; range -40 - +122°C, -40 - +250°F | °F or °C (per INMODE) | Read | |
| AV | 2700 | SYTRIM | System Sensor Trim; range -3 - +3°C, -5 - +5°F | °F or °C (per INMODE) | Write | |
| AVmin | 2800 | TARG | Calculated Target; range 0 - 116°C, 0 - 240°F | °F or °C (per INMODE) | Read | |
| MVmin | 2900 | VALVE | Motorized Valve | Read | 1=Valve inactive, 2=Valve close, 3=Valve open | |
| AV | 3000 | ZMAXTGT | Max Target Temperature; range 32 - 116°C, 90 - 240°F | °F or °C (per INMODE) | Write |
No points match these filters.
Object ID lookup: Heat-Timer HWR Platinum point IDs by name
AV0BDIFFAV100BOOSTMV200BOOSTMODEAV300BPTIMEBV400BURNERMV500BYPASSMODEAV600CUTOFFBV700DHWMODEBV800DLSBV900FAULTMODEBV1000FCDBV1100INMODEAV1200MINTGTAV1300ODTEMPAV1400ODTRIMAV1500OFFSETBV1600OPMODEAV1700PDATEAV1800PRUNONAV1900PTIMEBV2000PUMPMV2100RAV2200SCHEDULES00AV2255SCHEDULES55BV2300SEASONAV2400SETBACKMV2500SHIFTAV2600SYSSENAV2700SYTRIMAV2800TARGMV2900VALVEAV3000ZMAXTGT
Integration notes
- Objects are Analog, Binary and Multi-state Values only. Rows without a read-only mark in the manual are listed as writable.
- Temperature objects use °F or °C depending on the INMODE (sensor type/mode) setting.
- Start-up settings can be read but not written over BACnet; Heat-Timer says to set them at the panel first.
- The manual prints some rows as ranges (SCHEDULES00-55 = 2200-2255). Only the first and last printed objects of each range are listed here; the ones in between follow the same pattern.
- BOOST applies only when BOOSTMODE is Vari Boost or Vari Boost & ESD.
- Variable list: manual pages 8-9.
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 HWR Platinum (BACnet) 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 Heat-Timer HWR Platinum (BACnet)
How many BACnet points does the Heat-Timer HWR Platinum (BACnet) have?
This list has 32 BACnet objects: 18 analog values, 9 binary values, 5 multi-state values. The exact set on a given unit depends on its firmware, installed options and configuration.
Which Heat-Timer HWR Platinum (BACnet) BACnet points are writable?
25 of the 32 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 Heat-Timer HWR Platinum (BACnet) BACnet documentation?
The source is Platinum BACnet Installation and Configuration Manual (IP and MS/TP) - HWR Platinum BACnet Variable List (pp. 8-9) (HT# 059082-00C), published free by Heat-Timer at https://www.heat-timer.com/wp-content/uploads/2019/04/Platinum-BACnet-Configuration-Manual-059082C-Color.pdf.
What are the minimum BACnet points to integrate the Heat-Timer HWR Platinum (BACnet)?
Start with MV 2500 SHIFT (Force day/night: 1 ToDay, 2 ToNight, 3 ExtendDay); AV 1500 OFFSET (Shift of the reset curve, °F or °C); AV 2800 TARG (Calculated water target); AV 2600 SYSSEN (System (supply) water temperature); AV 1300 ODTEMP (Outdoor temperature); BV 400 BURNER (Burner output (1 = on)); MV 2900 VALVE (Valve: 1 inactive, 2 close, 3 open); BV 2000 PUMP (Pump output (1 = on)).
How do I check these points on the real HWR Platinum (BACnet)?
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 Heat-Timer BACnet points lists
- Multiple boiler sequencing control
Heat-Timer HWRQ Platinum (BACnet)
Heat-Timer HWRQ Platinum hot water reset and sequencing control for multiple on/off or staged boilers, with the BACnet IP/MS/TP board.
Also known as: HWRQ, HWRQ Platinum, Heat-Timer HWRQ, Platinum BACnet - Boiler / steam heating plant control
Heat-Timer MPC Platinum (BACnet)
Heat-Timer MPC Platinum heating control for a burner/valve or district steam plant, with the BACnet IP/MS/TP board.
Also known as: MPC, MPC Platinum, Heat-Timer MPC, Platinum BACnet - Steam boiler sequencing control
Heat-Timer MPCQ Platinum (BACnet)
Heat-Timer MPCQ Platinum steam heating and boiler sequencing control (pressure based), with the BACnet IP/MS/TP board.
Also known as: MPCQ, MPCQ Platinum, Heat-Timer MPCQ, Platinum BACnet - Modulating boiler sequencing control
Heat-Timer Multi-MOD Platinum (BACnet)
Heat-Timer Multi-MOD Platinum control for up to 20 modulating boilers or stages (hot water, steam or reset), with the BACnet IP/MS/TP board.
Also known as: Multi-MOD, MultiMOD, Multi-MOD Platinum, Heat-Timer Multi-MOD, Platinum BACnet - Steam heating control (boiler or district steam valve)
Heat-Timer SRC Platinum (BACnet)
Heat-Timer SRC Platinum steam heating control for a burner/valve or district steam valve, with the BACnet IP/MS/TP board.
Also known as: SRC, SRC Platinum, Heat-Timer SRC, Platinum BACnet
Source: Platinum BACnet Installation and Configuration Manual (IP and MS/TP) - HWR Platinum BACnet Variable List (pp. 8-9) · HT# 059082-00C. Object names, instances and units are reproduced as published; descriptions are our own.