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VRF BACnet gateway (up to 64 indoor units, Samsung NASA) · BACnet points list

Intesis IN770AIR***O000 for Samsung NASA 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 Samsung NASA bus. It publishes outdoor-unit alarms, gateway-wide commands and one block of objects per indoor unit at (IU x 100): on/off, mode, setpoint, fan, swing, room and discharge temperatures, error code, filter, remote restriction, ventilation, hot water, WindFree, 360 cassette airflow and energy consumption. This file shows the standard indoor unit (IU) set.

This page lists 55 BACnet objects for the Intesis IN770AIR***O000 for Samsung NASA VRF (700 Series Air Gateway) — 23 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 Samsung NASA VRF (700 Series Air Gateway)
Equipment
VRF BACnet gateway (up to 64 indoor units, Samsung NASA)
Equipment type
VRF & split air conditioners
BACnet objects
55 (23 writable)
Transport
BACnet IP, BACnet MS/TP
Firmware
Not stated
Also known as
IN770AIRXXSO000, IN770AIR00SO000, IN770AIR00MO000, IN770 Samsung, Samsung NASA BACnet gateway, Samsung DVM BACnet, Intesis 700 Series Samsung
Brands covered
Samsung
Source document
700 Series Air Gateway IN770AIR***O000 - Samsung NASA VRF Systems to Modbus, KNX, BACnet, MQTT and Home Automation - User Manual · rev. 2025-12-09 v1.0.19
Download CSV 55 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 Samsung NASA VRF (700 Series Air Gateway)

Integration in brief

Connect the Samsung NASA R1/R2 bus to AC-Port B (B1 R1, B2 R2), set the outdoor and indoor units to manual addressing, pick BACnet IP or BACnet MS/TP in Intesis MAPS, scan the units, send the project, then map each indoor unit's objects from its (IU x 100) block. Check the Unit type object first: other unit types use different objects in the same block.

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 IU/AHU_CMode commandCommand
AO 100OXXUXX_Setpoint_CSetpoint commandCommand
MO 101OXXUXX_FanSpeed_CFan speed command (4 = auto)Command
BI 100OXXUXX_On/Off_SRun statusRead
AI 100OXXUXX_Setpoint_SSetpoint in useRead
AI 101OXXUXX_Room_TemperatureIndoor unit room temperature, °CRead
MI 102OXXUXX_Communication StatusLink flags; Exist = unit found on the NASA busRead
AI 105OXXUXX_Unit Error codeFault codeRead

Enable & remote start

No enable point is documented. OXXUXX_RC Restriction_C (BO 103) restricts the unit's remote controller.

Network setup

Watch out for

Intesis IN770AIR***O000 for Samsung NASA 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.

55 of 55 shown
Type
Access
Show
Intesis IN770AIR***O000 for Samsung NASA VRF (700 Series Air Gateway) BACnet Points List
DescriptionStates
BI1OUXX_Communication Error OUOutdoor unit communication error (OU 00)Read0=No error, 1=Error
BI16OU Addressing ErrorOU Addressing ErrorRead0=OU Addressing OK, 1=Manual Addr in OU required
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, 6=Cool Storage, 7=Heat Storage
MO1FanSpeed (all units)FanSpeed (all units)Command1=Low, 2=Mid, 3=High, 4=Auto
BO1Vane position swing (all units)Vane position swing (all units)Command0=Swing Off, 1=Swing On
AO0Temperature Setpoint (all units)Temperature Setpoint (all units) (cool 18-30 °C, heat 16-30 °C)°CCommand
BO2Vent. On/Off (all units)Vent. On/Off (all units)Command0=Off, 1=On
BO3Hot Water On/Off (all units)Hot Water On/Off (all units)Command0=Off, 1=On
BImin100OXXUXX_On/Off_SOn/Off (status)Read0=Off, 1=On
BOmin100OXXUXX_On/Off_COn/Off (command)Command0=Off, 1=On
MI100OXXUXX_Mode IU/AHU_SMode IU/AHU (status)Read1=Heat, 2=Cool, 3=Fan, 4=Dry, 5=Auto
MOmin100OXXUXX_Mode IU/AHU_CMode IU/AHU (command)Command1=Heat, 2=Cool, 3=Fan, 4=Dry, 5=Auto
AImin100OXXUXX_Setpoint_SSetpoint (status) (cool 18-30 °C, heat 16-30 °C)°CRead
AOmin100OXXUXX_Setpoint_CSetpoint (command) (cool 18-30 °C, heat 16-30 °C)°CCommand
MI101OXXUXX_FanSpeed_SFanSpeed (status)Read1=Low, 2=Mid, 3=High, 4=Auto
MOmin101OXXUXX_FanSpeed_CFanSpeed (command)Command1=Low, 2=Mid, 3=High, 4=Auto
BI101OXXUXX_Vane position swing_SVane position swing (status)Read0=Swing Off, 1=Swing On
BO101OXXUXX_Vane position swing_CVane position swing (command)Command0=Swing Off, 1=Swing On
AImin101OXXUXX_Room_TemperatureRoom Temperature°CRead
AI102OXXUXX_Disch.Setpoint Cool IU_SDisch.Setpoint Cool IU (status)°CRead
AO101OXXUXX_Disch.Setpoint Cool IU_CDisch.Setpoint Cool IU (command)°CCommand
AI103OXXUXX_Disch.Setpoint Heat IU_SDisch.Setpoint Heat IU (status)°CRead
AO102OXXUXX_Disch.Setpoint Heat IU_CDisch.Setpoint Heat IU (command)°CCommand
AI104OXXUXX_Disch. Current Temp.Disch. Current Temp.°CRead
AImin105OXXUXX_Unit Error codeUnit error codeRead0=No Error, 100..999=Error
BI102OXXUXX_FilterSignFilterSignRead0=Normal, 1=Alarm
BO102OXXUXX_FilterResetFilterResetCommand0=No reset, 1=Reset
MImin102OXXUXX_Communication StatusCommunication StatusReadbit flags: b0=Exist, b1=Ready, b2=Data updated, b3=Type OK
BI103OXXUXX_RC Restriction_SRC Restriction (status)Read0=No restriction, 1=Restriction
BO103OXXUXX_RC Restriction_CRC Restriction (command)Command0=No restriction, 1=Restriction
BO104OXXUXX_Buzzer SoundBuzzer SoundCommand0=Buzzer On, 1=Buzzer Off
MI103OXXUXX_Unit typeUnit typeRead1=Not Defined, 2=IU, 3=HE, 4=HT, 5=AHU, 6=ERV, 7=ERV+, 8=EHS, 9=CHILLER
BI104OXXUXX_HotWater On/Off_SHotWater On/Off (status)Read0=Off, 1=On
BO105OXXUXX_HotWater On/Off_CHotWater On/Off (command)Command0=Off, 1=On
BI105OXXUXX_Vent. On/Off_SVent. On/Off (status)Read0=Off, 1=On
BO106OXXUXX_Vent. On/Off_CVent. On/Off (command)Command0=Off, 1=On
MI105OXXUXX_Vent. Mode_SVent. Mode (status)Read1=Bypass, 2=HeatEx, 3=Sleep, 4=Auto
MO103OXXUXX_Vent. Mode_CVent. Mode (command)Command1=Bypass, 2=HeatEx, 3=Sleep, 4=Auto
MI106OXXUXX_Vent. FanSpeed_SVent. FanSpeed (status)Read1=Low, 2=High, 3=Turbo
MO104OXXUXX_Vent. FanSpeed_CVent. FanSpeed (command)Command1=Low, 2=High, 3=Turbo
BI106OXXUXX_WindFree_SWindFree (status)Read0=Disable, 1=Enable
BO107OXXUXX_WindFree_CWindFree (command)Command0=Disable, 1=Enable
BI107OXXUXX_Air Clean_SAir Clean (status)Read0=Disable, 1=Enable
MI107OXXUXX_360 CST Air Flow_S360 CST Air Flow (status)Read1=Spot, 2=Mid, 3=Wide, 4=Swing
MO105OXXUXX_360 CST Air Flow_C360 CST Air Flow (command)Command1=Spot, 2=Mid, 3=Wide, 4=Swing
AI109OXXUXX_Consumption Yesterday_SConsumption Yesterday (status)Wh/kWhRead
AI110OXXUXX_Consumption Today_SConsumption Today (status)Wh/kWhRead
AI111OXXUXX_Consumption Total_SConsumption Total (status)Wh/kWhRead
AI112OXXUXX_Consumption Yesterday Heat_SConsumption Yesterday Heat (status)Wh/kWhRead
AI113OXXUXX_Consumption Today Heat_SConsumption Today Heat (status)Wh/kWhRead
AI114OXXUXX_Consumption Total Heat_SConsumption Total Heat (status)Wh/kWhRead
AI115OXXUXX_Consumption Yesterday Cool_SConsumption Yesterday Cool (status)Wh/kWhRead
AI116OXXUXX_Consumption Today Cool_SConsumption Today Cool (status)Wh/kWhRead
AI117OXXUXX_Consumption Total Cool_SConsumption Total Cool (status)Wh/kWhRead
Object ID lookup: Intesis Samsung NASA 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 Samsung NASA 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 Samsung NASA VRF (700 Series Air Gateway)

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

This list has 55 BACnet objects: 15 analog inputs, 4 analog outputs, 10 binary inputs, 12 binary outputs, 7 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 Samsung NASA VRF (700 Series Air Gateway) BACnet points are writable?

23 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. The source has no read/write column, so this is inferred from object type.

Where is the official Intesis IN770AIR***O000 for Samsung NASA VRF (700 Series Air Gateway) BACnet documentation?

The source is 700 Series Air Gateway IN770AIR***O000 - Samsung NASA VRF Systems to Modbus, KNX, BACnet, MQTT and Home Automation - User Manual, revision 2025-12-09 v1.0.19, published free by Intesis at https://www.hms-networks.com/docs/default-source/products/intesis/manuals-and-guides---manuals/user-manual-in770samxxxo000.pdf.

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

Start with BO 100 OXXUXX_On/Off_C (Start/stop indoor unit); MO 100 OXXUXX_Mode IU/AHU_C (Mode command); AO 100 OXXUXX_Setpoint_C (Setpoint command); MO 101 OXXUXX_FanSpeed_C (Fan speed command (4 = auto)); BI 100 OXXUXX_On/Off_S (Run status); AI 100 OXXUXX_Setpoint_S (Setpoint in use); AI 101 OXXUXX_Room_Temperature (Indoor unit room temperature, °C); MI 102 OXXUXX_Communication Status (Link flags; Exist = unit found on the NASA bus); AI 105 OXXUXX_Unit Error code (Fault code).

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

No enable point is documented. OXXUXX_RC Restriction_C (BO 103) restricts the unit's remote controller.

How do I check these points on the real IN770AIR***O000 for Samsung NASA 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 - Samsung NASA VRF Systems to Modbus, KNX, BACnet, MQTT and Home Automation - User Manual · rev. 2025-12-09 v1.0.19. Object names, instances and units are reproduced as published; descriptions are our own.