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VRF BACnet gateway (multiple indoor units, H-Link) · BACnet points list

Intesis IN770AIR***O000 for Hitachi and Hisense VRF (700 Series Air Gateway) BACnet points list

Updated 6 November 2026

Short answer

Intesis 700 Series multi-protocol gateway set up for BACnet IP or BACnet MS/TP on a Hitachi or Hisense H-Link bus. It publishes gateway-wide commands, a block of outdoor-unit objects at (OU address x 25) + 20000 and a block of indoor-unit objects at (IU address x 100): on/off, mode, setpoint, fan, louver, coil and air temperatures, error code, filter, remote-controller permissions, dehumidification and energy consumption.

This page lists 60 BACnet objects for the Intesis IN770AIR***O000 for Hitachi and Hisense VRF (700 Series Air Gateway) — 16 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
IN770AIR***O000 for Hitachi and Hisense VRF (700 Series Air Gateway)
Equipment
VRF BACnet gateway (multiple indoor units, H-Link)
Equipment type
VRF & split air conditioners
BACnet objects
60 (16 writable)
Transport
BACnet IP, BACnet MS/TP
Firmware
Not stated
Also known as
IN770AIRXXSO000, IN770AIR00SO000, IN770AIR00MO000, IN770 Hitachi, IN770 Hisense, Hitachi H-Link BACnet gateway, Hisense VRF BACnet gateway, Intesis 700 Series Hitachi
Brands covered
Hitachi, Hisense
Source document
700 Series Air Gateway IN770AIR***O000 - Hitachi VRF Systems to Modbus, KNX, BACnet, MQTT and Home Automation - User Manual · rev. 2025-12-09 v1.1.8
Download CSV 60 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 Intesis’s current documentation and the live device before use. Not official Intesis information. Terms of use.

BMS integration notes: Intesis IN770AIR***O000 for Hitachi and Hisense VRF (700 Series Air Gateway)

Integration in brief

Wire the H-Link (TB2) bus to Port A (A1/A2), pick BACnet IP or BACnet MS/TP in Intesis MAPS, scan or add the units, send the project, then map each indoor unit's _C commands and _S status objects from its (IU address x 100) block. Instances 0-2 command every unit at once.

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 100OXXUXX_On/Off_CStart/stop indoor unitCommand
MO 100OXXUXX_Mode_CMode commandCommand
AO 100OXXUXX_Setpoint_CSetpoint commandCommand
MO 101OXXUXX_FanSpeed_CFan speed command (1 = auto)Command
BI 100OXXUXX_On/Off_SRun statusRead
AI 100OXXUXX_Setpoint_SSetpoint in useRead
AI 102OXXUXX_Inlet Temp.Return air temperatureRead
BI 102OXXUXX_Communication StatusUnit present on H-LinkRead
AI 106OXXUXX_Unit Error codeFault codeRead

Enable & remote start

No enable point is documented. Remote-controller permissions can be removed per unit with the Allow ... from RC_C objects (BO 102-105).

Network setup

Watch out for

Intesis IN770AIR***O000 for Hitachi and Hisense VRF (700 Series Air Gateway) 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.

60 of 60 shown
Type
Access
Show
Intesis IN770AIR***O000 for Hitachi and Hisense VRF (700 Series Air Gateway) BACnet Points List
DescriptionStates
BO0On/Off (all units)On/Off (all units)Command0=Off, 1=On
MO0Mode (all units)Mode (all units)Command1=Heat, 2=Cool, 3=Fan, 4=Dry, 5=Auto
MO1FanSpeed (all units)FanSpeed (all units)Command1=Auto, 2=Low, 3=Mid, 4=High, 5=High+ (with a CSNET Manager: 1=Low, 2=Mid, 3=High)
MO2Vane Position (all units)Vane Position (all units)Command1=Auto, 2..8=Pos1..Pos7
AO0Temperature Setpoint (all units)Temperature Setpoint (all units)°CCommand
AI20000OUXX_Outdoor Air Temp.Outdoor Air Temp.°CRead
AI20001OUXX_Comp.Top Temp.Comp.Top Temp.°CRead
AI20002OUXX_Total Real Comp. Freq.Total Real Comp. Freq.HzRead
AI20003OUXX_Total Comp. CurrentTotal Comp. CurrentARead
AI20004OUXX_Out Exp. Valve 1 OpenOut Exp. Valve 1 Open%Read
AI20005OUXX_Discharge PressureDischarge PressureMPaRead
AI20006OUXX_Suction PressureSuction PressureMPaRead
BI20000OUXX_Communication StatusCommunication StatusRead0=Not Exist, 1=Exist
BImin100OXXUXX_On/Off_SOn/Off (status)Read0=Off, 1=On
BOmin100OXXUXX_On/Off_COn/Off (command)Command0=Off, 1=On
MI100OXXUXX_Mode_SMode (status)Read1=Heat, 2=Cool, 3=Fan, 4=Dry, 5=Auto
MOmin100OXXUXX_Mode_CMode (command)Command1=Heat, 2=Cool, 3=Fan, 4=Dry, 5=Auto
AImin100OXXUXX_Setpoint_SSetpoint (status)°CRead
AOmin100OXXUXX_Setpoint_CSetpoint (command)°CCommand
MI101OXXUXX_FanSpeed_SFanSpeed (status)Read1=Auto, 2=Low, 3=Mid, 4=High, 5=High+ (with a CSNET Manager: 1=Low, 2=Mid, 3=High)
MOmin101OXXUXX_FanSpeed_CFanSpeed (command)Command1=Auto, 2=Low, 3=Mid, 4=High, 5=High+ (with a CSNET Manager: 1=Low, 2=Mid, 3=High)
MI102OXXUXX_Vane Position_SVane Position (status)Read1=Auto, 2..8=Pos1..Pos7
MO102OXXUXX_Vane Position_CVane Position (command)Command1=Auto, 2..8=Pos1..Pos7
AI101OXXUXX_Remote Sensor Temp.Remote Sensor Temp.°CRead
AImin102OXXUXX_Inlet Temp.Inlet Temp.°CRead
AI103OXXUXX_Outlet Temp.Outlet Temp.°CRead
AI104OXXUXX_GasPipe Temp.GasPipe Temp.°CRead
AI105OXXUXX_LiquidPipe Temp.LiquidPipe Temp.°CRead
AImin106OXXUXX_Unit Error codeUnit error codeRead
BI101OXXUXX_FilterSignFilterSignRead0=Normal, 1=Alarm
BO101OXXUXX_FilterResetFilterResetCommand1=Reset
BImin102OXXUXX_Communication StatusCommunication StatusRead0=Not Exist, 1=Exist
BI103OXXUXX_Allow On/Off from RC_SAllow On/Off from RC (status)Read0=Allowed, 1=Not allowed
BO102OXXUXX_Allow On/Off from RC_CAllow On/Off from RC (command)Command0=Allowed, 1=Not allowed
BI104OXXUXX_Allow Mode from RC_SAllow Mode from RC (status)Read0=Allowed, 1=Not allowed
BO103OXXUXX_Allow Mode from RC_CAllow Mode from RC (command)Command0=Allowed, 1=Not allowed
BI105OXXUXX_Allow Setpoint from RC_SAllow Setpoint from RC (status)Read0=Allowed, 1=Not allowed
BO104OXXUXX_Allow Setpoint from RC_CAllow Setpoint from RC (command)Command0=Allowed, 1=Not allowed
BI106OXXUXX_Allow Fan from RC_SAllow Fan from RC (status)Read0=Allowed, 1=Not allowed
BO105OXXUXX_Allow Fan from RC_CAllow Fan from RC (command)Command0=Allowed, 1=Not allowed
MI103OXXUXX_Unit typeUnit typeRead1=Not Defined, 2=SS, 3=FC, 4=VRF, 5=IU, 6=ES
AI107OXXUXX_Unit AddressUnit Address (0-63)Read
AI108OXXUXX_System AddressSystem Address (0-63)Read
BI107OXXUXX_DehumidificationDehumidificationRead0=Disabled, 1=Enabled
MI104OXXUXX_Dehum. Correction_SDehum. Correction (status)Read1=0, 2=(-1), 3=(-2)
MO103OXXUXX_Dehum. Correction_CDehum. Correction (command)Command1=0, 2=(-1), 3=(-2)
AI109OXXUXX_Comp. Stop CauseComp. Stop CauseRead255=Operation Off; other values per the Hitachi manual
AI110OXXUXX_Exp. Valve OpenExp. Valve Open%Read
MI105OXXUXX_Operat. ConditionOperat. ConditionRead1=Off, 2=Thermo Off, 3=Thermo On, 4=Alarm
AI111OXXUXX_RC SW Temp.RC SW Temp.°CRead
BI108OXXUXX_RC SW ConfigRC SW ConfigRead0=Without RCS, 1=With RCS
AI112OXXUXX_Consumption Yesterday_SConsumption Yesterday (status)Wh/kWhRead
AI113OXXUXX_Consumption Today_SConsumption Today (status)Wh/kWhRead
AI114OXXUXX_Consumption Total_SConsumption Total (status)Wh/kWhRead
AI115OXXUXX_Consumption Yesterday_S HeatConsumption Yesterday, heat (status)Wh/kWhRead
AI116OXXUXX_Consumption Today_S HeatConsumption Today, heat (status)Wh/kWhRead
AI117OXXUXX_Consumption Total_S HeatConsumption Total, heat (status)Wh/kWhRead
AI118OXXUXX_Consumption Yesterday_S CoolConsumption Yesterday, cool (status)Wh/kWhRead
AI119OXXUXX_Consumption Today_S CoolConsumption Today, cool (status)Wh/kWhRead
AI120OXXUXX_Consumption Total_S CoolConsumption Total, cool (status)Wh/kWhRead
Object ID lookup: Intesis Hitachi/Hisense VRF Gateway IN770 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 IN770AIR***O000 for Hitachi and Hisense VRF (700 Series Air Gateway) 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 IN770AIR***O000 for Hitachi and Hisense VRF (700 Series Air Gateway)

How many BACnet points does the Intesis IN770AIR***O000 for Hitachi and Hisense VRF (700 Series Air Gateway) have?

This list has 60 BACnet objects: 28 analog inputs, 2 analog outputs, 10 binary inputs, 7 binary outputs, 6 multi-state inputs, 7 multi-state outputs. The exact set on a given unit depends on its firmware, installed options and configuration.

Which Intesis IN770AIR***O000 for Hitachi and Hisense VRF (700 Series Air Gateway) BACnet points are writable?

16 of the 60 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. The source has no read/write column, so this is inferred from object type.

Where is the official Intesis IN770AIR***O000 for Hitachi and Hisense VRF (700 Series Air Gateway) BACnet documentation?

The source is 700 Series Air Gateway IN770AIR***O000 - Hitachi VRF Systems to Modbus, KNX, BACnet, MQTT and Home Automation - User Manual, revision 2025-12-09 v1.1.8, published free by Intesis at https://www.hms-networks.com/docs/default-source/products/intesis/manuals-and-guides---manuals/user-manual-in770hitxxxo000.pdf.

What are the minimum BACnet points to integrate the Intesis IN770AIR***O000 for Hitachi and Hisense VRF (700 Series Air Gateway)?

Start with BO 100 OXXUXX_On/Off_C (Start/stop indoor unit); MO 100 OXXUXX_Mode_C (Mode command); AO 100 OXXUXX_Setpoint_C (Setpoint command); MO 101 OXXUXX_FanSpeed_C (Fan speed command (1 = auto)); BI 100 OXXUXX_On/Off_S (Run status); AI 100 OXXUXX_Setpoint_S (Setpoint in use); AI 102 OXXUXX_Inlet Temp. (Return air temperature); BI 102 OXXUXX_Communication Status (Unit present on H-Link); AI 106 OXXUXX_Unit Error code (Fault code).

How do I enable BMS control of the Intesis IN770AIR***O000 for Hitachi and Hisense VRF (700 Series Air Gateway)?

No enable point is documented. Remote-controller permissions can be removed per unit with the Allow ... from RC_C objects (BO 102-105).

How do I check these points on the real IN770AIR***O000 for Hitachi and Hisense VRF (700 Series Air Gateway)?

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: 700 Series Air Gateway IN770AIR***O000 - Hitachi VRF Systems to Modbus, KNX, BACnet, MQTT and Home Automation - User Manual · rev. 2025-12-09 v1.1.8. Object names, instances and units are reproduced as published; descriptions are our own.