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Rooftop unit controller (room thermostat, rooftop, heat-pump and IAQ) · BACnet points list

LG MultiSITE MS8650 Room Controller (rooftop / heat pump / IAQ) BACnet points list

Updated 4 November 2026

Short answer

The MS8650 is LG's MultiSITE touchscreen room controller for rooftop units, heat pumps and indoor air quality. It is a BACnet MS/TP application specific controller (B-ASC) with about 310 objects: room, outdoor and supply temperature, setpoints, system and fan mode, Y/W/G stage outputs, economizer and CO2 ventilation settings, alarms, Wi-Fi status and paired ZigBee wireless sensor objects.

This page lists 311 BACnet objects for the LG MultiSITE MS8650 Room Controller (rooftop / heat pump / IAQ) — 230 of them writable — with each object’s type, instance number, name, engineering units and access. It is re-typed from LG’s own free documentation, linked below.

Manufacturer
LG
Model
MultiSITE MS8650 Room Controller (rooftop / heat pump / IAQ)
Equipment
Rooftop unit controller (room thermostat, rooftop, heat-pump and IAQ)
Equipment type
Rooftop units, AHUs & DOAS
BACnet objects
311 (230 writable)
Transport
BACnet MS/TP
Firmware
Not stated
Also known as
MS8650, VUCQMS8650, LG MS8650, MultiSITE MS8000
Source document
MultiSITE MS8000 Series Room Controllers BACnet Integration Guide (MS8350 VUCQMS8350, MS8650 VUCQMS8650) · UM_MultiSITE_MS8000_Series_BACnet_Integration_05_20 · rev. 2020-05
Download CSV 311 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 LG’s current documentation and the live device before use. Not official LG information. Terms of use.

BMS integration notes: LG MultiSITE MS8650 Room Controller (rooftop / heat pump / IAQ)

Integration in brief

Command occupancy with MV 10, mode with MV 16 and fan mode with MV 17, and write the occupied setpoints AV 39/AV 40. Read AV 100 room temperature, MI 33 effective occupancy and MV 112 control status, plus the G fan output BO 25 and the fan lock alarm BV 39.

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
MV 10Occupancy CommandBMS occupancy: local, occupied or unoccupiedCommand
MV 16System ModeOff / auto / cool / heatCommand
MV 17Fan ModeFan mode: on / auto / smartCommand
AV 39Occ. HeatOccupied heating setpointCommand
AV 40Occ. CoolOccupied cooling setpointCommand
MV 112Control StatusCurrent state: off, cooling or heatingCommand
BO 25G Fan StatusFan (G) output stateCommand
MI 33Effective OccupancyActual occupancy stateRead
AV 100Room TemperatureSpace temperature used for controlCommand
BV 39Fan Lock AlarmFan lock alarm (1 = on)Command

Enable & remote start

The BMS writes MV 10 Occupancy Command (1 = Loc. occ; 2 = Occupied; 3 = Unocc.) and MV 16 System Mode. MV 110 chooses whether local occupancy follows motion or the schedule.

Sensors & values from the BMS

The guide does not describe feeding room temperature from the BMS. MV 145 selects the wired, internal or a paired ZigBee wireless sensor, and MI 312 Effective Temperature Sensor shows which one is in use. Writing an AI present value only works with Out_Of_Service set TRUE.

Network setup

Watch out for

LG MultiSITE MS8650 Room Controller (rooftop / heat pump / IAQ) 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.

311 of 311 shown
Type
Other
Access
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LG MultiSITE MS8650 Room Controller (rooftop / heat pump / IAQ) BACnet Points List
DescriptionStates
AI1ThermistorDefault 0; range -40°F (-40°C) to 122°F (50°C)°F/°CRead
AI2Light Sensor LevelDefault 0; range 0 to 30000lxRead
AI3Thermistor Self HeatDefault 0; range -40°F (-40°C) to 122°F (50°C)°F/°CRead
AI4Relative Humidity ValueDefault 0; range 20 to 80%Read
AI5UI20 Raw ValueDefault 0; range 0 to 4095Read
AI7UI23 Raw ValueDefault 0; range 0 to 4095Read
AI8UI22 Raw ValueDefault 0; range 0 to 4095Read
AI9UI24 Raw ValueDefault 0; range 0 to 4095Read
AI31UI19 Raw ValueDefault 0; range 0 to 4095Read
AI210Wireless Device 1 - AddressZigBee Pro; default 0; range -32768 to 32767Read
AI220Wireless Device 2 - AddressZigBee Pro; default 0; range -32768 to 32767Read
AI230Wireless Device 3 - AddressZigBee Pro; default 0; range -32768 to 32767Read
AI240Wireless Device 4 - AddressZigBee Pro; default 0; range -32768 to 32767Read
AI250Wireless Device 5 - AddressZigBee Pro; default 0; range -32768 to 32767Read
AI260Wireless Device 6 - AddressZigBee Pro; default 0; range -32768 to 32767Read
AI270Wireless Device 7 - AddressZigBee Pro; default 0; range -32768 to 32767Read
AI280Wireless Device 8 - AddressZigBee Pro; default 0; range -32768 to 32767Read
AI290Wireless Device 9 - AddressZigBee Pro; default 0; range -32768 to 32767Read
AI300Wireless Device 10 - AddressZigBee Pro; default 0; range -32768 to 32767Read
AI315Wireless Device 1 - TemperatureDefault 0; range -40°F (-40°C) to 122°F (50°C)°F/°CRead
AI316Wireless Device 2 - TemperatureDefault 0; range -40°F (-40°C) to 122°F (50°C)°F/°CRead
AI317Wireless Device 3 - TemperatureDefault 0; range -40°F (-40°C) to 122°F (50°C)°F/°CRead
AI318Wireless Device 4 - TemperatureDefault 0; range -40°F (-40°C) to 122°F (50°C)°F/°CRead
AI319Wireless Device 5 - TemperatureDefault 0; range -40°F (-40°C) to 122°F (50°C)°F/°CRead
AI320Wireless Device 6 - TemperatureDefault 0; range -40°F (-40°C) to 122°F (50°C)°F/°CRead
AI321Wireless Device 7 - TemperatureDefault 0; range -40°F (-40°C) to 122°F (50°C)°F/°CRead
AI322Wireless Device 8 - TemperatureDefault 0; range -40°F (-40°C) to 122°F (50°C)°F/°CRead
AI323Wireless Device 9 - TemperatureDefault 0; range -40°F (-40°C) to 122°F (50°C)°F/°CRead
AI324Wireless Device 10 - TemperatureDefault 0; range -40°F (-40°C) to 122°F (50°C)°F/°CRead
AI327Remote Relative HumidityDefault 0; range 0 to 100%Read
AI328Permit TimeoutDefault 0; range 0 to 180minRead
AI329Effective SetpointDefault 0; range 40°F (4.5°C) to 100°F (38°C)°F/°CRead
AI330Paired ZigBee DevicesNumber of paired devices; default 0; range 0 to 11Read
AI342Wi-Fi Network Signal StrengthDefault 0; range 0 to 100%Read
AO21PI Heat DemandDefault 0; range 0 to 100%Command
AO22PI Cool DemandDefault 0; range 0 to 100%Command
AO23Economizer DemandDefault 0; range 0 to 100%Command
AO24AO Heat DemandDefault 0; range 0 to 100%Command
AO123UO11 Analog OutputDefault 0; range 0 to 10VCommand
AO124UO12 Analog OutputDefault 0; range 0 to 10VCommand
AO125UO9 Analog OutputDefault 0; range 0 to 10VCommand
AO126UO10 Analog OutputDefault 0; range 0 to 10VCommand
AV2User HMI IconsShow/Hide screen icons; default 0; range 0 to 12Command
AV3Low BacklightDefault 60; range 0 to 100%Command
AV4Night BacklightDefault 5; range 0 to 100%Command
AV7Calibrate TemperatureDefault 0; range -5°F (-20°C) to 5°F (10°C)°F/°CCommand
AV8Calibrate HumidityDefault 0; range -15 to 15%Command
AV10COM AddressCOM address; default 254; range 0 to 254Command
AV11PAN IDPAN ID; default 0; range 0 to 32767Command
AV12ChannelChannel; default 10; range 10 to 25Command
AV13Short AddressShort address; default 0; range -32768 to 32767Command
AV14IEEE AddressIEEE address; default 0; range -32768 to 32767Command
AV15Get from COMDefault 0; range 0 to 254Command
AV16BACnet Stack Poll RateDefault 4; range 1 to 5Command
AV20Discharge Low LimitDefault 45°F (7°C); range 35°F (2°C) to 65°F (18°C)°F/°CCommand
AV21Minimum Fresh AirDefault 0; range 0 to 20000cfmCommand
AV22Maximum Fresh AirDefault 0; range 0 to 20000cfmCommand
AV23Minimum CO2Default 800; range 0 to 5000ppmCommand
AV24Maximum CO2Default 1200; range 0 to 5000ppmCommand
AV25Param. A (AV25)Default 0; range -32768 to 32767Command
AV26Param. B (AV26)Default 0; range -32768 to 32767Command
AV27Param. C (AV27)Default 0; range -32768 to 32767Command
AV28Param. D (AV28)Default 0; range -32768 to 32767Command
AV29Param. E (AV29)Default 0; range -32768 to 32767Command
AV30Param. F (AV30)Default 0; range -32768 to 32767Command
AVmin39Occ. HeatDefault 72°F (22°C); range 40°F (4.5°C) to 90°F (32°C)°F/°CCommand
AVmin40Occ. CoolDefault 75°F (24°C); range 54°F (12°C) to 100°F (38°C)°F/°CCommand
AV41Standby HeatDefault 69°F (21°C); range 40°F (4.5°C) to 90°F (32°C)°F/°CCommand
AV42Standby CoolDefault 78°F (21°C); range 54°F (26°C) to 100°F (38°C)°F/°CCommand
AV43Unocc. HeatDefault 62°F (17°C); range 40°F (4.5°C) to 90°F (32°C)°F/°CCommand
AV44Unocc. CoolDefault 80°F (27°C); range 54°F (26°C) to 100°F (38°C)°F/°CCommand
AV45Default HeatDefault 72°F (22°C); range 65°F (18°C) to 80°F (27°C)°F/°CCommand
AV46Standby DifferentialDefault 4°F (1.5°C); range 1°F (0.5°C) to 5°F (2.5°C)°F/°CCommand
AV56Main PasswordInstaller password; default 0; range 0 to 9999Command
AV57User PasswordUser password; default 0; range 0 to 999Command
AV58Maximum HeatingDefault 90°F (32°C); range 40°F (4.5°C) to 90°F (32°C)°F/°CCommand
AV59Maximum CoolingDefault 54°F (26°C); range 54°F (26°C) to 100°F (38°C)°F/°CCommand
AV62Temp Occ. TimeDefault 2; range 0 to 24hCommand
AV63Minimum DeadbandDefault 3°F (1.5°C); range 2°F (1°C) to 5°F (2.5°C)°F/°CCommand
AV65Proportional BandDefault 3; range 3 to 10Command
AV67Standby TimeDefault 0.5; range 0.5 to 24hCommand
AV68Unoccupied TimeDefault 0.5; range 0.5 to 24hCommand
AV71Dehumidification SetpointDefault 50; range 30 to 95%RHCommand
AV72Dehumidification HysteresisDefault 50; range 30 to 95%RHCommand
AV74Calibrate Outside TemperatureDefault 0°F (0°C); range -5°F (-2.5°C) to 5°F (2.5°C)°F/°CCommand
AV75Cooling StagesStages; default 2; range 1 to 1Command
AV76Power-up DelayDefault 10; range 10 to 120sCommand
AV78Econo. Minimum PositionDefault 0; range 0 to 100%Command
AV81Econo. Maximum PositionDefault 0; range 0 to 100%Command
AV82High Balance PointDefault 90°F (32°C); range 34°F (1°C) to 90°F (32°C)°F/°CCommand
AV83Low Balance PointDefault -12°F (-24°C); range -40°F (-40°C) to 30°F (-1°C)°F/°CCommand
AV84Heating CPHDefault 4; range 3 to 8cycles/hCommand
AV85Cooling CPHDefault 4; range 3 to 4cycles/hCommand
AV86Anti Short CycleDefault 2; range 0 to 5minCommand
AV87Heat StagesStages; default 2; range 0 to 2Command
AV88Heat Dehumidification LimitDefault 0; range 0 to 100%Command
AV89Cool Dehumidification LimitDefault 0; range 0 to 100%Command
AV91Heat LockoutDefault 120°F (49°C); range -15°F (-26°C) to 120°F (49°C)°F/°CCommand
AV92Keyboard ValueDefault 0; range 0 to 35Command
AV93Cool LockoutDefault -40°F (-40°C); range -40°F (-40°C) to 95°F (35°C)°F/°CCommand
AV94Supply Air SetpointDefault 55°F (13°C); range 50°F (10°C) to 90°F (32°C)°F/°CCommand
AV95Changeover SetpointDefault 55°F (13°C); range 14°F (10°C) to 70°F (21°C)°F/°CCommand
AV96Fresh Air RangeDefault 0; range 0 to 20,000cfmCommand
AV97Minimum Supply HeatDefault 64°F (18°C); range 50°F (10°C) to 72°F (22°C)°F/°CCommand
AV98Supply Heat LockoutDefault 32°F (0°C); range -15°F (-26°C) to 120°F (49°C)°F/°CCommand
AV99Discharge High LimitDefault 120°F (49°C); range 70°F (21°C) to 150°F (65.5°C)°F/°CCommand
AVmin100Room TemperatureDefault 0°F (0°C); range -40°F (-40°C) to 122°F (50°C)°F/°CCommand
AV101Outdoor TemperatureDefault 0°F (0°C); range -40°F (-40°C) to 150°F (65.5°C)°F/°CCommand
AV102Supply TemperatureDefault 0°F (0°C); range -40°F (-40°C) to 122°F (50°C)°F/°CCommand
AV103Room HumidityDefault 0; range 0 to 100%RHCommand
AV104UI19 TemperatureDefault 0°F (0°C); range -40°F (-40°C) to 150°F (65.5°C)°F/°CCommand
AV105UI20 TemperatureDefault 0°F (0°C); range -40°F (-40°C) to 150°F (65.5°C)°F/°CCommand
AV106CO2 levelDefault 0; range 0 to 5000ppmCommand
AV107Air Flow LevelDefault 0; range 0 to 20,000cfmCommand
AV108UI19 AnalogDefault 0; range 0 to 100%Command
AV109UI24 TemperatureDefault 0°F (0°C); range -40°F (-40°C) to 150°F (65.5°C)°F/°CCommand
AV202UI19 LuaDefault 0; range -32768 to 32767Command
AV203UI20 LuaDefault 0; range -32768 to 32767Command
AV204UI22 LuaDefault 0; range -32768 to 32767Command
AV205UI23 LuaDefault 0; range -32768 to 32767Command
AV206UI24 LuaDefault 0; range -32768 to 32767Command
AV207Offset Relay ClosingDefault 0; range -20,000 to 20,000Command
AV208Offset Relay OpeningDefault 0; range -20,000 to 20,000Command
AV209ThresholdDefault 40°F; range 32°F to 45°F°FCommand
AV210HysteresisDefault 4°F; range 0°F to 100°F°FCommand
AV211Shed OffsetDefault 4°F (2°C); range 4°F (2°C) to 10°F (5.5°C)°F/°CCommand
BI29UI16 Binary InputDefault 0Read0 = Activated, 1 = Not Activated
BI30UI17 Binary InputDefault 0Read0 = Activated, 1 = Not Activated
BI91UI19 Binary InputDefault 0Read0 = Activated, 1 = Not Activated
BI94UI20 Binary InputDefault 0Read0 = Activated, 1 = Not Activated
BI95UI22 Binary InputDefault 0Read0 = Activated, 1 = Not Activated
BI96UI23 Binary InputDefault 0Read0 = Activated, 1 = Not Activated
BI97UI24 Binary InputDefault 0Read0 = Activated, 1 = Not Activated
BOmin25G Fan StatusDefault 0Command0 = Off, 1 = On
BO26Y1 StatusDefault 0Command0 = Off, 1 = On
BO27UY2 StatusDefault 0Command0 = Off, 1 = On
BO28W1 StatusDefault 0Command0 = Off, 1 = On
BO29W2/OB StatusDefault 0Command0 = Off, 1 = On
BO94UO10 Binary OutputDefault 0Command0 = Off, 1 = On
BO98BO1 Aux. OutDefault 0Command0 = Off, 1 = On
BO101UO11 Binary OutputDefault 0Command0 = Off, 1 = On
BO102UO12 Binary OutputDefault 0Command0 = Off, 1 = On
BV1Door StatusDefault 0Command0 = Closed, 1 = Open
BV2Door InstalledDefault 0Command0 = No, 1 = Yes
BV3Window StatusDefault 0Command0 = Closed, 1 = Open
BV4Window InstalledDefault 0Command0 = No, 1 = Yes
BV5Low BatteryDefault 0Command0 = Off, 1 = On
BV6Force High BacklightDefault 0Command0 = Off, 1 = On
BV7Long Message DisplayDefault 0Command0 = Off, 1 = On
BV8Clock AlarmDefault 0Command0 = Off, 1 = On
BV10Exception StatusDefault 0Command0 = Off, 1 = On
BV32Local MotionDefault 0Command0 = No Motion, 1 = Motion
BV35Window AlarmDefault 0Command0 = Off, 1 = On
BV36Filter AlarmDefault 0Command0 = Off, 1 = On
BV37Service AlarmDefault 0Command0 = Off, 1 = On
BV38Dehumidification StatusDefault 0Command0 = Off, 1 = On
BVmin39Fan Lock AlarmDefault 0Command0 = Off, 1 = On
BV40Recovery StatusDefault 0Command0 = Off, 1 = On
BV41CO2 AlarmDefault 0Command0 = Off, 1 = On
BV42Low Air AlarmDefault 0Command0 = Off, 1 = On
BV43Frost AlarmDefault 0Command0 = Off, 1 = On
BV44Water LeakDefault 0Command0 = Off, 1 = On
BV45Water InstalledDefault 0Command0 = No, 1 = Yes
BV46Water StatusDefault 0Command0 = Normal, 1 = Leak
BV47Low TemperatureDefault 0Command0 = Off, 1 = On
BV48Shed DemandDefault 0Command0 = Closed, 1 = Open
BV49Shed StatusDefault 0Command0 = No, 1 = Yes
BV50Shed OverrideDefault 0Command0 = Closed, 1 = Open
BV200ZigBee PIR StatusDefault 0Command0 = No, 1 = Yes
BV201ZigBee Sensor MotionDefault 0Command0 = No Motion, 1 = Motion
CSV1Short Screen MessageText, length 0 to 64Write
CSV2Long Screen MessageText, length 0 to 480Write
CSV3Ext. Mem. RevisionText, length 0 to 9Write
CSV4Wi-Fi Device NameText, length 0 to 63Write
CSV5Wi-Fi Firmware VersionText, length 0 to 63Write
CSV6MAC AddressText, length 0 to 18Write
CSV7Wi-Fi Network SSIDText, length 0 to 33Write
CSV8Wi-Fi Network IP AddressText, length 0 to 46Write
CSV9ZigBee Firmware RevisionText, length 0 to 32Write
CSV10ZigBee IEEE AddressText, length 0 to 18Write
MI1BACnet StatusDefault 1Read1 = Offline, 2 = Online
MI2Network StatusDefault 1Read1 = Not det., 2 = Pwr on, 3 = No NWK, 4 = Joined, 5 = Online
MImin33Effective OccupancyDefault 1Read1 = Occupied, 2 = Unoccupied, 3 = Override, 4 = Standby
MI210Wireless Device 1 - StatusDefault 1Read1 = None, 2 = Closed, 3 = Opened, 4 = No Motion, 5 = Motion, 6 = Normal, 7 = Leak
MI211Wireless Device 1 - BatteryDefault 1Read1 = None, 2 = Normal, 3 = Low
MI212Wireless Device 1 - Communication StatusDefault 1Read1 = Not Paired, 2 = Online, 3 = Invalid, 4 = Offline
MI220Wireless Device 2 - StatusDefault 1Read1 = None, 2 = Closed, 3 = Opened, 4 = No Motion, 5 = Motion, 6 = Normal, 7 = Leak
MI221Wireless Device 2 - BatteryDefault 1Read1 = None, 2 = Normal, 3 = Low
MI222Wireless Device 2 - Communication StatusDefault 1Read1 = Not Paired, 2 = Online, 3 = Invalid, 4 = Offline
MI230Wireless Device 3 - StatusDefault 1Read1 = None, 2 = Closed, 3 = Opened, 4 = No Motion, 5 = Motion, 6 = Normal, 7 = Leak
MI231Wireless Device 3 - BatteryDefault 1Read1 = None, 2 = Normal, 3 = Low
MI232Wireless Device 3 - Communication StatusDefault 1Read1 = Not Paired, 2 = Online, 3 = Invalid, 4 = Offline
MI240Wireless Device 4 - StatusDefault 1Read1 = None, 2 = Closed, 3 = Opened, 4 = No Motion, 5 = Motion, 6 = Normal, 7 = Leak
MI241Wireless Device 4 - BatteryDefault 1Read1 = None, 2 = Normal, 3 = Low
MI242Wireless Device 4 - Communication StatusDefault 1Read1 = Not Paired, 2 = Online, 3 = Invalid, 4 = Offline
MI250Wireless Device 5 - StatusDefault 1Read1 = None, 2 = Closed, 3 = Opened, 4 = No Motion, 5 = Motion, 6 = Normal, 7 = Leak
MI251Wireless Device 5 - BatteryDefault 1Read1 = None, 2 = Normal, 3 = Low
MI252Wireless Device 5 - Communication StatusDefault 1Read1 = Not Paired, 2 = Online, 3 = Invalid, 4 = Offline
MI260Wireless Device 6 - StatusDefault 1Read1 = None, 2 = Closed, 3 = Opened, 4 = No Motion, 5 = Motion, 6 = Normal, 7 = Leak
MI261Wireless Device 6 - BatteryDefault 1Read1 = None, 2 = Normal, 3 = Low
MI262Wireless Device 6 - Communication StatusDefault 1Read1 = Not Paired, 2 = Online, 3 = Invalid, 4 = Offline
MI270Wireless Device 7 - StatusDefault 1Read1 = None, 2 = Closed, 3 = Opened, 4 = No Motion, 5 = Motion, 6 = Normal, 7 = Leak
MI271Wireless Device 7 - BatteryDefault 1Read1 = None, 2 = Normal, 3 = Low
MI272Wireless Device 7 - Communication StatusDefault 1Read1 = Not Paired, 2 = Online, 3 = Invalid, 4 = Offline
MI280Wireless Device 8 - StatusDefault 1Read1 = None, 2 = Closed, 3 = Opened, 4 = No Motion, 5 = Motion, 6 = Normal, 7 = Leak
MI281Wireless Device 8 - BatteryDefault 1Read1 = None, 2 = Normal, 3 = Low
MI282Wireless Device 8 - Communication StatusDefault 1Read1 = Not Paired, 2 = Online, 3 = Invalid, 4 = Offline
MI290Wireless Device 9 - StatusDefault 1Read1 = None, 2 = Closed, 3 = Opened, 4 = No Motion, 5 = Motion, 6 = Normal, 7 = Leak
MI291Wireless Device 9 - BatteryDefault 1Read1 = None, 2 = Normal, 3 = Low
MI292Wireless Device 9 - Communication StatusDefault 1Read1 = Not Paired, 2 = Online, 3 = Invalid, 4 = Offline
MI300Wireless Device 10 - StatusDefault 1Read1 = None, 2 = Closed, 3 = Opened, 4 = No Motion, 5 = Motion, 6 = Normal, 7 = Leak
MI301Wireless Device 10 - BatteryDefault 1Read1 = None, 2 = Normal, 3 = Low
MI302Wireless Device 10 - Communication StatusDefault 1Read1 = Not Paired, 2 = Online, 3 = Invalid, 4 = Offline
MI312Effective Temperature SensorDefault 1Read1 = Wired, 2 = Internal, 3 = WL IO, 4 = WL 1, 5 = WL 2, 6 = WL 3, 7 = WL 4, 8 = WL 5, 9 = WL 6, 10 = WL 7, 11 = WL 8, 12 = WL 9, 13 = WL 10, 4 = WL GP
MI313Effective Relative Humidity SensorDefault 1Read1 = None, 2 = Internal, 3 = WL 1, 4 = WL 2, 5 = WL 3, 6 = WL 4, 7 = WL 5, 8 = WL 6, 9 = WL 7, 10 = WL 8, 11 = WL 9, 12 = WL 10, 13 = WL GP
MI314Effective System ModeDefault 1Read1 = Cool, 2 = Heat
MI315Wi-Fi Module StatusDefault 1Read1 = Offline, 2 = Initializing, 3 = Ready, 4 = Booting, 5 = Resetting, 6 = Fail, 7 = Testing
MI316Wi-Fi StatusDefault 1Read1 = Idle, 2 = Associate, 3 = Config., 4 = Ready, 5 = Online, 6 = Disconn., 7 = Failure
MI317BACnet IP StatusDefault 1Read1 = Disabled, 2 = Enabled
MI318SMTP Server StatusDefault 1Read1 = Unknown, 2 = Disabled, 3 = Offline, 4 = Online
MV1Long Message Background ColorDefault 1Command1 = White, 2 = Green, 3 = Blue, 4 = Grey, 5 = Dark Grey, 6 = Default, 7 = Red
MV2HMI ColorDefault 1Command1 = White, 2 = Green, 3 = Blue, 4 = Grey, 5 = Dark Grey
MV3Main DisplayDefault 1Command1 = Temperature, 2 = Setpoint
MV4LanguageDefault 1Command1 = English, 2 = French, 3 = Spanish, 4 = Chinese, 5 = Russian, 6 = Arabic, 7 = Bulgarian, 8 = Czech, 9 = Danish, 10 = Dutch, 11 = Finnish, 12 = German, 13 = Hungarian, 14 = Indonesian, 15 = Italian, 16 = Norwegian, 17 = Polish, 18 = Portuguese, 19 = Slovak, 20 = Swedish, 21 = Turkish, 22 = Japanese, 23 = Hebrew
MV5Time FormatDefault 1Command1 = AM-PM, 2 = 24 Hours
MV6Network UnitsDefault 1Command1 = SI, 2 = Imperial
MV7Network LanguageDefault 1Command1 = English, 2 = French, 3 = Spanish
MV8BACnet Baud RateDefault 7Command1 = 9600, 2 = 19200, 3 = 38400, 4 = 57600, 5 = 76800, 6 = 115200, 7 = Auto
MVmin10Occupancy CommandDefault 2Command1 = Loc. occ, 2 = Occupied, 3 = Unocc.
MV11Standby ModeDefault 1Command1 = Absolute, 2 = Offset
MV12Fan DelayDefault 2Command1 = Off, 2 = On
MV13Dehumidification LockoutDefault 2Command1 = Disabled, 2 = Enabled
MVmin16System ModeDefault 4Command1 = Off, 2 = Auto, 3 = Cool, 4 = Heat
MVmin17Fan ModeDefault 2Command1 = On, 2 = Auto, 3 = Smart
MV32Standby ScreenDefault 1Command1 = No, 2 = Yes, 3 = Occ. only, 4 = Screen sav
MV46UI16 ConfigurationDefault 1Command1 = None, 2 = Rem NSB, 3 = Motion NO, 4 = Motion NC, 5 = Window, 6 = Fan Lock
MV47UI17 ConfigurationDefault 1Command1 = None, 2 = Door dry, 3 = Override, 4 =Filter, 5 = Service
MV49UI19 ConfigurationDefault 1Command1 = None, 2 = CO2
MV51Temperature UnitsDefault 1Command1 = °C, 2 = °F
MV55Frost ProtectionDefault 1Command1 = Off, 2 = On
MV58Setpoint FunctionDefault 2Command1 = Dual SP, 2 = Attach SP
MV70Relative Humidity DisplayDefault 1Command1 = Disabled, 2 = Enabled
MV71Smart RecoveryDefault 1Command1 = Off, 2 = On
MV72Economizer ConfigurationDefault 1Command1 = Off, 2 = On
MV73Schedule MenuDefault 2Command1 = Disabled, 2 = Enabled, 3 = Dis. no. clk., 4 =En. no. clk.
MV79Mechanical CoolingDefault 1Command1 = Off, 2 = On
MV92BO1 Auxiliary ConfigurationDefault 1Command1 = NO, 2 = NC
MV95Fan Control HeatDefault 2Command1 = Off, 2 = On
MV96UO9 ConfigurationDefault 4Command1 = Analog, 2 = Binary, 3 = Relay RC, 4 = Relay RH
MV97UO10 ConfigurationDefault 1Command1 = Analog, 2 = Binary, 3 = Relay RC
MV98UO11 ConfigurationDefault 1Command1 = Analog, 2 = Binary
MV99UO12 ConfigurationDefault 2Command1 = Analog, 2 = Binary
MV100EnglishDefault 1Command1 = Enabled
MV101FrenchDefault 2Command1 = Disabled, 2 = Enabled
MV102SpanishDefault 2Command1 = Disabled, 2 = Enabled
MV103ChineseDefault 2Command1 = Disabled, 2 = Enabled
MV104RussianDefault 2Command1 = Disabled, 2 = Enabled
MV110Occupancy ScreenDefault 1Command1 = Motion, 2 = Schedule
MV111Mode ButtonDefault 1Command1 = Normal, 2 = Off-Auto
MVmin112Control StatusDefault 1Command1 = Off, 2 = Cool, 3 = Heat
MV113Node TypeDefault 1Command1 = Router, 2 = Coordinator
MV114Custom Icon ButtonsDefault 1Command1 = Default, 2 = None, 3 = System mode Heat/Cool, 4 = System mode On/Off, 5 = Fan mode, 6 = Override, 7 = Units, 8 = Help, 9 = Language, 10 = Schedule, 11 = Lighting, 12 = Blind, 13 = Lamp, 14 = Energy, 15 = Make up room, 16 = Setting, 17 = Timer
MV115Custom BehaviorDefault 1Command1 = Default, 2 = No function, 3 = System mode function, 4 = Fan function, 5 = Override, 6 = Schedule, 7 = Units, 8 = Help, 9= Language, 10 = Configuration, 11 = Custom, 12 = Standby
MV116Comfort or EconomyDefault 1Command1 = Comfort, 2 = Economy
MV117Reversing ValveDefault 1Command1 = O, 2 = B
MV118Comp. InterlockDefault 1Command1 = Off, 2 = On
MV119ApplicationDefault 1Command1 = Rooftop, 2 = Heat Pump
MV120ArabicDefault 1Command1 = Disabled, 2 = Enabled
MV121BulgarianDefault 1Command1 = Disabled
MV122CzechDefault 1Command1 = Disabled, 2 = Enabled
MV123DanishDefault 1Command1 = Disabled, 2 = Enabled
MV124DutchDefault 1Command1 = Disabled, 2 = Enabled
MV125FinnishDefault 1Command1 = Disabled, 2 = Enabled
MV126GermanDefault 1Command1 = Disabled, 2 = Enabled
MV127HungarianDefault 1Command1 = Disabled, 2 = Enabled
MV128IndonesianDefault 1Command1 = Disabled, 2 = Enabled
MV129ItalianDefault 1Command1 = Disabled, 2 = Enabled
MV130NorwegianDefault 1Command1 = Disabled, 2 = Enabled
MV131PolishDefault 1Command1 = Disabled, 2 = Enabled
MV132PortugueseDefault 1Command1 = Disabled, 2 = Enabled
MV133SlovakDefault 1Command1 = Disabled, 2 = Enabled
MV134SwedishDefault 1Command1 = Disabled, 2 = Enabled
MV135TurkishDefault 1Command1 = Disabled, 2 = Enabled
MV136Schedule TypeDefault 1Command1 = 7 days, 2 = 5 + 2 days, 3 = 5 + 1 + 1 days
MV137Schedule EventsDefault 3Command1 = 2/day, 2 = 4/day, 3 = 6/day
MV140UI19 Input TypeDefault 3Command1 = Thermistor, 2 = Binary, 3 = Voltage
MV141UI20 Input TypeDefault 1Command1 = Thermistor, 2 = Binary, 3 = Voltage
MV142UI22 Input TypeDefault 1Command1 = Thermistor, 2 = Binary, 3 = Voltage
MV143UI23 Input TypeDefault 1Command1 = Thermistor, 2 = Binary, 3 = Voltage
MV144UI224 Input TypeDefault 3Command1 = Thermistor, 2 = Binary, 3 = Voltage, 4 = Reserved
MV145Temperature SensorDefault 3Command1 = Wired, 2 = Internal, 3 = WL IO, 4 = WL 1, 5 = WL 2, 6 = WL 3, 7 = WL 4, 8 = WL 5, 9 = WL 6, 10 = WL 7, 11 = WL 8, 12 = WL 9, 13 = WL 10, 14 = WL GP
MV146CO2 SensorDefault 2Command1 = Disabled, 2 = Enabled
MV147CO2 Auto CalibrationDefault 2Command1 = Disabled, 2 = Enabled
MV148Lock ScreenDefault 1Command1 = No, 2 = Yes
MV149RH SensorDefault 2Command1 = None, 2 = Internal, 3 = WL 1, 4 = WL 2, 5 = WL 3, 6 = WL 4, 7 = WL 5, 8 = WL 6, 9 = WL 7, 10 = WL 8, 11 = WL 9, 12 = WL 10, 13 = WL GP
MV150Auto Mode EnableDefault 1Command1 = None, 2 = T-rH CO2, 3 = T-rH
MV151ADR PermissionDefault 1Command1 = Off, 2 = On
MV152Wireless Device GP - FunctionDefault 1Command1 = Off, 2 = On
MV153FunctionDefault 2Command1 = Remove, 2 = None, 3 = T
MV155JapaneseDefault 1Command1 = Disabled, 2=Enabled
MV156HebrewDefault 1Command1 = Disabled, 2=Enabled
MV210Wireless Device 1 - FunctionDefault 6Command1 = None, 2 = Window, 3 = Door, 4 = Motion, 5 = Status, 6 = Remove, 7 = Water
MV220Wireless Device 2 - FunctionDefault 6Command1 = None, 2 = Window, 3 = Door, 4 = Motion, 5 = Status, 6 = Remove, 7 = Water
MV230Wireless Device 3 - FunctionDefault 6Command1 = None, 2 = Window, 3 = Door, 4 = Motion, 5 = Status, 6 = Remove, 7 = Water
MV240Wireless Device 4 - FunctionDefault 6Command1 = None, 2 = Window, 3 = Door, 4 = Motion, 5 = Status, 6 = Remove, 7 = Water
MV250Wireless Device 5 - FunctionDefault 6Command1 = None, 2 = Window, 3 = Door, 4 = Motion, 5 = Status, 6 = Remove, 7 = Water
MV260Wireless Device 6 - FunctionDefault 6Command1 = None, 2 = Window, 3 = Door, 4 = Motion, 5 = Status, 6 = Remove, 7 = Water
MV270Wireless Device 7 - FunctionDefault 6Command1 = None, 2 = Window, 3 = Door, 4 = Motion, 5 = Status, 6 = Remove, 7 = Water
MV280Wireless Device 8 - FunctionDefault 6Command1 = None, 2 = Window, 3 = Door, 4 = Motion, 5 = Status, 6 = Remove, 7 = Water
MV290Wireless Device 9 - FunctionDefault 6Command1 = None, 2 = Window, 3 = Door, 4 = Motion, 5 = Status, 6 = Remove, 7 = Water
MV300Wireless Device 10 - FunctionDefault 6Command1 = None, 2 = Window, 3 = Door, 4 = Motion, 5 = Status, 6 = Remove, 7 = Water
Object ID lookup: LG MultiSITE MS8650 Room Controller 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 MultiSITE MS8650 Room Controller (rooftop / heat pump / IAQ) 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 LG MultiSITE MS8650 Room Controller (rooftop / heat pump / IAQ)

How many BACnet points does the LG MultiSITE MS8650 Room Controller (rooftop / heat pump / IAQ) have?

This list has 311 BACnet objects: 34 analog inputs, 8 analog outputs, 84 analog values, 7 binary inputs, 9 binary outputs, 28 binary values, 40 multi-state inputs, 91 multi-state values, 10 characterstring values. The exact set on a given unit depends on its firmware, installed options and configuration.

Which LG MultiSITE MS8650 Room Controller (rooftop / heat pump / IAQ) BACnet points are writable?

230 of the 311 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 LG MultiSITE MS8650 Room Controller (rooftop / heat pump / IAQ) BACnet documentation?

The source is MultiSITE MS8000 Series Room Controllers BACnet Integration Guide (MS8350 VUCQMS8350, MS8650 VUCQMS8650) (UM_MultiSITE_MS8000_Series_BACnet_Integration_05_20), revision 2020-05, published free by LG at https://media.us.lg.com/m/11d3a44fc9cab7aa/original/UM_MultiSITE_MS8000_Series_BACnet_Integration-pdf.pdf.

What are the minimum BACnet points to integrate the LG MultiSITE MS8650 Room Controller (rooftop / heat pump / IAQ)?

Start with MV 10 Occupancy Command (BMS occupancy: local, occupied or unoccupied); MV 16 System Mode (Off / auto / cool / heat); MV 17 Fan Mode (Fan mode: on / auto / smart); AV 39 Occ. Heat (Occupied heating setpoint); AV 40 Occ. Cool (Occupied cooling setpoint); MV 112 Control Status (Current state: off, cooling or heating); BO 25 G Fan Status (Fan (G) output state); MI 33 Effective Occupancy (Actual occupancy state); AV 100 Room Temperature (Space temperature used for control); BV 39 Fan Lock Alarm (Fan lock alarm (1 = on)).

How do I enable BMS control of the LG MultiSITE MS8650 Room Controller (rooftop / heat pump / IAQ)?

The BMS writes MV 10 Occupancy Command (1 = Loc. occ; 2 = Occupied; 3 = Unocc.) and MV 16 System Mode. MV 110 chooses whether local occupancy follows motion or the schedule.

Can the BMS supply sensor values to the LG MultiSITE MS8650 Room Controller (rooftop / heat pump / IAQ)?

The guide does not describe feeding room temperature from the BMS. MV 145 selects the wired, internal or a paired ZigBee wireless sensor, and MI 312 Effective Temperature Sensor shows which one is in use. Writing an AI present value only works with Out_Of_Service set TRUE.

How do I check these points on the real MultiSITE MS8650 Room Controller (rooftop / heat pump / IAQ)?

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 LG BACnet points lists

Source: MultiSITE MS8000 Series Room Controllers BACnet Integration Guide (MS8350 VUCQMS8350, MS8650 VUCQMS8650) · UM_MultiSITE_MS8000_Series_BACnet_Integration_05_20 · rev. 2020-05. Object names, instances and units are reproduced as published; descriptions are our own.