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VRF / split air conditioner BACnet gateway (1 indoor unit or group) · BACnet points list

Intesis IN485HIT001R000 (Hitachi commercial and VRF gateway, BACnet MS/TP) BACnet points list

Updated 6 November 2026

Short answer

Intesis interface for one Hitachi commercial or VRF indoor unit on the AB remote-controller bus, serving BACnet MS/TP or Modbus RTU (DIP switch). It exposes 35 fixed objects: on/off, mode, setpoint, fan and up/down vane as _command/_status pairs, error code with reset, filter sign with reset, occupancy logic, a remote lock, a virtual-temperature function and a reset-behaviour setting.

This page lists 35 BACnet objects for the Intesis IN485HIT001R000 (Hitachi commercial and VRF gateway, BACnet MS/TP) — 18 of them writable — with each object’s type, instance number, name, engineering units and access. It is re-typed from Intesis’s own free documentation, linked below.

Manufacturer
Intesis
Model
IN485HIT001R000 (Hitachi commercial and VRF gateway, BACnet MS/TP)
Equipment
VRF / split air conditioner BACnet gateway (1 indoor unit or group)
Equipment type
VRF & split air conditioners
BACnet objects
35 (18 writable)
Transport
BACnet MS/TP
Firmware
Not stated
Default device instance
246000
Also known as
IN485HIT001R000, INMBSHIT001R000 (legacy code), Hitachi BACnet MS/TP gateway, Hitachi VRF BACnet, Hitachi Set Free BACnet, Intesis Hitachi MS/TP
Brands covered
Hitachi
Source document
IN485HIT001R000 Gateway - Hitachi Commercial and VRF Systems to BACnet MS/TP and Modbus RTU - User Manual · rev. 2025-10-28 v2.0.10
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Reference only, provided as-is: verify against Intesis’s current documentation and the live device before use. Not official Intesis information. Terms of use.

BMS integration notes: Intesis IN485HIT001R000 (Hitachi commercial and VRF gateway, BACnet MS/TP)

Integration in brief

Connect the gateway anywhere on the AB remote bus, leave the protocol switch on BACnet MS/TP, set the MAC address on SW2 and the bus role on SW1-1, then write the _command objects (on/off, mode, setpoint, fan) and read the _status objects.

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
BO 0OnOff_commandStart/stop the indoor unitCommand
MO 0Mode_commandHeat/cool/fan/dry/auto selectionCommand
AO 0SetPoint_commandTemperature setpoint from the BMSCommand
MO 1FanSpeed_commandFan speed selectionCommand
BI 0OnOff_statusConfirm the unit is runningRead
AI 0SetPoint_statusSetpoint the unit is really usingRead
AI 1RoomTemperature_statusRoom/return temperature for trendingRead
BI 1ErrorActiveUnit alarmRead
AI 2ErrorCodeWhich fault is activeRead

Enable & remote start

No enable point is documented; the gateway accepts commands once it talks to the unit. BV 2 LockRemoteControl locks the wired remote.

Sensors & values from the BMS

With the gateway as AB-bus header (SW1-1 on), reading temperature from the remote (SW1-2 on) and the unit set to use the remote's sensor, the value written to AO 1 RoomTemperature_command becomes the unit's reference temperature. Otherwise the Virtual Temperature function recalculates the setpoint from AO 1 (BI 14 shows it is active, AI 17 the BMS setpoint).

Network setup

Watch out for

Intesis IN485HIT001R000 (Hitachi commercial and VRF gateway, BACnet MS/TP) 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.

35 of 35 shown
Type
Access
Show
Intesis IN485HIT001R000 (Hitachi commercial and VRF gateway, BACnet MS/TP) BACnet Points List
DescriptionStates
BImin0OnOff_statusUnit on/off statusRead0=Off, 1=On
BOmin0OnOff_commandStart/stop the indoor unitCommand0=Off, 1=On
MI0Mode_statusOperating mode in useRead1=Heat, 2=Cool, 3=Fan, 4=Dry, 5=Auto
MOmin0Mode_commandOperating mode commandCommand1=Heat, 2=Cool, 3=Fan, 4=Dry, 5=Auto
AImin0SetPoint_statusSetpoint the indoor unit is using°CRead
AI17UserSetPoint_statusBMS setpoint while virtual temperature is active°CRead
AOmin0SetPoint_commandTemperature setpoint from the BMS°CCommand
BI14VirtualTempActiveVirtual temperature function in useRead0=No, 1=Yes
MI1FanSpeed_statusCurrent fan speedRead1=Auto, 2=Fan Speed 1, 3=Fan Speed 2, 4=Fan Speed 3, 5=Fan Speed 4
MOmin1FanSpeed_commandFan speed commandCommand1=Auto, 2=Fan Speed 1, 3=Fan Speed 2, 4=Fan Speed 3, 5=Fan Speed 4, 6=Fan Speed 5
MI2AirDirectionUD_statusUp/down vane positionRead1=POS1, 2=POS2, 3=POS3, 4=POS4, 5=POS5, 6=POS6, 7=POS7, 8=SWING
MO2AirDirectionUD_commandUp/down vane commandCommand1=POS1, 2=POS2, 3=POS3, 4=POS4, 5=POS5, 6=POS6, 7=POS7, 8=SWING
AImin1RoomTemperature_statusRoom temperature used by the unit°CRead
AO1RoomTemperature_commandRoom temperature written by the BMS°CCommand
AImin2ErrorCodeActive error code (number)Read
MI4ErrorCodeMActive error code (multistate)Read45 states; Hitachi error code table in the manual
BImin1ErrorActiveAn error is activeRead0=No, 1=Error
AI4ErrorAddressAddress of the indoor unit reporting the errorRead
BO5ErrorResetReset the active errorCommand0=Normal, 1=Reset
AV0OnTimeCounterRun-hours counterhWrite
BI6FilterSignFilter dirty signalRead0=OK, 1=Dirty
AI18FilterSignAddressAddress of the indoor unit reporting the filter signRead
BO4FilterResetReset the filter signalCommand0=Normal, 1=Reset
MV0OccupancyOccupancy input for built-in occupancy logicWrite1=Occupied, 2=Unoccupied, 3=Disabled
AV1OccupiedCoolSetPointCooling setpoint when occupied°CWrite
AV2OccupiedHeatSetPointHeating setpoint when occupied°CWrite
AV3UnoccupiedCoolSetPointCooling setpoint when unoccupied°CWrite
AV4UnoccupiedHeatSetPointHeating setpoint when unoccupied°CWrite
BV0OccupancyContinuousCheckRe-run occupancy logic on temperature changeWrite0=Disabled, 1=Enabled
BV1UnoccupiedDeadbandActionUnoccupied action inside the deadbandWrite0=Off, 1=CurrentMode
BV2LockRemoteControlLock the wired remote controllerWrite0=Unlocked, 1=Locked
AI11SerialNumberGateway serial numberRead
AI9DIP_SW_S1_statusDIP switch SW1 value (decimal)Read
AI10DIP_SW_S2_statusDIP switch SW2 value (decimal)Read
MV4ResetBehaviourKeep last AC commands in memory after a resetWrite1=Store AC status, 2=Do not store AC status
Object ID lookup: Intesis Hitachi Gateway IN485HIT001R000 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 IN485HIT001R000 (Hitachi commercial and VRF gateway, BACnet MS/TP) 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 Intesis IN485HIT001R000 (Hitachi commercial and VRF gateway, BACnet MS/TP)

How many BACnet points does the Intesis IN485HIT001R000 (Hitachi commercial and VRF gateway, BACnet MS/TP) have?

This list has 35 BACnet objects: 9 analog inputs, 2 analog outputs, 5 analog values, 4 binary inputs, 3 binary outputs, 3 binary values, 4 multi-state inputs, 3 multi-state outputs, 2 multi-state values. The exact set on a given unit depends on its firmware, installed options and configuration.

Which Intesis IN485HIT001R000 (Hitachi commercial and VRF gateway, BACnet MS/TP) BACnet points are writable?

18 of the 35 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 Intesis IN485HIT001R000 (Hitachi commercial and VRF gateway, BACnet MS/TP) BACnet documentation?

The source is IN485HIT001R000 Gateway - Hitachi Commercial and VRF Systems to BACnet MS/TP and Modbus RTU - User Manual, revision 2025-10-28 v2.0.10, published free by Intesis at https://www.hms-networks.com/docs/default-source/products/intesis/manuals-and-guides---manuals/in485hit001r000_user_manual-en.pdf.

What are the minimum BACnet points to integrate the Intesis IN485HIT001R000 (Hitachi commercial and VRF gateway, BACnet MS/TP)?

Start with BO 0 OnOff_command (Start/stop the indoor unit); MO 0 Mode_command (Heat/cool/fan/dry/auto selection); AO 0 SetPoint_command (Temperature setpoint from the BMS); MO 1 FanSpeed_command (Fan speed selection); BI 0 OnOff_status (Confirm the unit is running); AI 0 SetPoint_status (Setpoint the unit is really using); AI 1 RoomTemperature_status (Room/return temperature for trending); BI 1 ErrorActive (Unit alarm); AI 2 ErrorCode (Which fault is active).

How do I enable BMS control of the Intesis IN485HIT001R000 (Hitachi commercial and VRF gateway, BACnet MS/TP)?

No enable point is documented; the gateway accepts commands once it talks to the unit. BV 2 LockRemoteControl locks the wired remote.

Can the BMS supply sensor values to the Intesis IN485HIT001R000 (Hitachi commercial and VRF gateway, BACnet MS/TP)?

With the gateway as AB-bus header (SW1-1 on), reading temperature from the remote (SW1-2 on) and the unit set to use the remote's sensor, the value written to AO 1 RoomTemperature_command becomes the unit's reference temperature. Otherwise the Virtual Temperature function recalculates the setpoint from AO 1 (BI 14 shows it is active, AI 17 the BMS setpoint).

How do I check these points on the real IN485HIT001R000 (Hitachi commercial and VRF gateway, BACnet MS/TP)?

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 Intesis BACnet points lists

Source: IN485HIT001R000 Gateway - Hitachi Commercial and VRF Systems to BACnet MS/TP and Modbus RTU - User Manual · rev. 2025-10-28 v2.0.10. Object names, instances and units are reproduced as published; descriptions are our own.