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Dedicated outdoor air unit (DOAS) controller · BACnet points list

Carrier 62X / 62W Dedicated Outdoor Air Unit (Rev. K controls) BACnet points list

Updated 4 November 2026

Short answer

62X and 62W dedicated outdoor air units with Revision K controls use an Automated Logic LS-1628u controller that speaks BACnet MS/TP on its RS-485 ports and BACnet IP on its Gig-E port. The Table C mapping lists 248 AVs, BVs and two MSVs: occupancy and BAS heartbeat points, supply air, zone and dehumidification setpoints, sensor readings, compressor, fan, wheel and damper status, PID override points and many individual alarms. The 62X and 62W manuals print the same table.

This page lists 248 BACnet objects for the Carrier 62X / 62W Dedicated Outdoor Air Unit (Rev. K controls) — 84 of them writable — with each object’s type, instance number, name, engineering units and access. It is re-typed from Carrier’s own free documentation, linked below.

Manufacturer
Carrier
Model
62X / 62W Dedicated Outdoor Air Unit (Rev. K controls)
Equipment
Dedicated outdoor air unit (DOAS) controller
Equipment type
Rooftop units, AHUs & DOAS
BACnet objects
248 (84 writable)
Transport
BACnet MS/TP, BACnet IP
Firmware
Revision K controls
Default device instance
1602
Also known as
62X, 62W, Carrier 62X DOAS, Carrier 62W DOAS, Revision K controls, LS-1628u, 62X-6T, 62W-2T
Source document
62X 03-55 Tons Revision K Controls Dedicated Outdoor Air Unit - Controls, Operation, Start-Up and Troubleshooting (Appendix A, Table C: Mapping Points - Carrier 62X Rev. K - 100% Outdoor Air) · 62X-6T · rev. 4-26
Download CSV 248 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 Carrier’s current documentation and the live device before use. Not official Carrier information. Terms of use.

BMS integration notes: Carrier 62X / 62W Dedicated Outdoor Air Unit (Rev. K controls)

Integration in brief

The 62X/62W uses an Automated Logic LS-1628u controller (third-party to i-Vu). Set Occupancy Control Options to BAS, then command occupancy with BAS Manual Occ Control and toggle Field BAS Comm. Status faster than the BAS lost delay. Write the supply air setpoints the unit discharges to, read operating mode, occupancy, SAT and the alarm status.

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
BV 101occ_enBAS occupied/unoccupied commandWrite
MV 101occ_ctrl_optsMust be BAS for BAS occupancy controlWrite
AV 313clg_sat_sp_oOccupied cooling supply air setpointWrite
AV 354htg_sat_sp_oOccupied heating supply air setpointWrite
BV 110bas_comm_statusHeartbeat: toggle before the BAS lost delay endsWrite
BV 900alarm_resetAlarm resetWrite
AV 112op_modeOperating mode code (Appendix B)Read
BV 105occ_statusOccupied/unoccupied statusRead
AV 235sat_statSupply air temperatureRead
BV 851alarm_statusUnit alarm statusRead

Enable & remote start

Occupancy Control (Occupancy Control Options, MSV 101) chooses BAS control, local schedule, 24/7 or CO2. With BAS control, BAS Manual Occ Control (BV 101) puts the unit in occupied or unoccupied mode. Enable Unit Operation (Tech Set Up) must be on. Emergency Shutdown in Tech Set Up disables the unit; Emerg. Shutdown Enable (BV 821) is writable over BACnet.

Heartbeat & communication loss

Field BAS Comm. Status (BV 110) must change state before the BAS Comm. Lost Delay (AV 103, default 60 s) runs out, or BAS Communication Lost (BV 107) and the BAS LOST alarm (BV 899) are set. Enable BAS Monitor Schedule (BV 106) lets the unit fall back to its local schedule on a loss. The manual does not describe the OAT/OARH loss action beyond its status point (BV 1102).

Sensors & values from the BMS

The BAS can write zone temperature (ZAT From BAS, AV 208), zone RH (AV 211), CO2 (AV 213), outdoor temperature (AV 1104) and outdoor RH (AV 1106). BAS outdoor values are monitored when Enable BAS Mon OAT/OARH (BV 1100) is on; Local OAT/OARH Sensor Enabled (BV 1115) selects the unit's own sensors.

Network setup

Watch out for

Carrier 62X / 62W Dedicated Outdoor Air Unit (Rev. K controls) 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.

248 of 248 shown
Type
AnalogBinaryMulti-state
Access
Show
Carrier 62X / 62W Dedicated Outdoor Air Unit (Rev. K controls) BACnet Points List
DescriptionStates
BVmin900alarm_resetAlarm ResetWrite
BVmin851alarm_statusAlarm StatusRead
BV539comp_disAllow Compressor DisableWrite
BV202zat_sp_adj_enAllow Zone Set Point Adjust (default plus or minus 5°F)Write
BV580ahtg_enAux. Htg. EnableRead
BV1102bas_com_lost_onBAS Com Lost OAT/ OARH StatusRead
AV103bas_comm_lost_delayBAS Comm. Lost Delay (default 60 seconds)Write
BV107bas_comm_lostBAS Communication LostRead
BV899bas_comm_lost_alarmBAS LOSTRead
BVmin101occ_enBAS Manual Occ ControlWrite
BV863c1_alarmC1 ALARMRead
BV243c1_cmdC1 CommandRead
BV555c1_freeze_statC1 Freeze StatusRead
BV873c1_hand_alarmC1 HANDRead
BV864c1_stop_alarmC1 STOPRead
BV847c1c2_stop_disables_unitC1/C2 Stop Disables UnitWrite
AV6402dig1_pct_c2_spC1DIG Percentage Before C2 SP (default 95%)Write
BV877c2_alarmC2 ALARMRead
BV244c2_cmdC2 CommandRead
BV556c2_freeze_statC2 Freeze StatusRead
BV887c2_hand_alarmC2 HANDRead
BV878c2_stop_alarmC2 STOPRead
BV893cfi_alarmCFI ALARMRead
BV232cfi_statCFI StatusRead
AV307clg1_en_spClg #1 Enable SP (default varies)Write
AV327clg2_en_spClg #2 Enable SP (default varies)Write
AV375clg_mod_sp_oClg Modulation SP Occ (default 55°F)Write
AVmin313clg_sat_sp_oClg SAT SP Occ (default varies)Write
AV314clg_sat_sp_uClg SAT SP Unocc (default varies)Write
AV217co2_dbCO2 Dead Band (default 200 ppm)Write
BV854co2_failureCO2 FAILRead
AV213co2_basCO2 From BASWrite
BV203co2_occ_statCO2 Occupancy StatusRead
AV215co2_sp1CO2 Set Point #1 (default 300ppm)Write
AV216co2_sp2CO2 Set Point #2 (default 1200ppm)Write
AV214co2_statCO2 StatusRead
BV224cc1_cs_statComp #1 CS StatusRead
BV227cc2_cs_statComp #2 CS StatusRead
AV541comp_dis_spCompressor Disable SP (default 32°F)Write
BV540comp_dis_oatCompressor Disabled by OATRead
BV233cos_statCondensate Overflow SwitchRead
BV551clg1_enCooling #1 EnableRead
BV552clg2_enCooling #2 EnableRead
BV894cos_alarmCOS ALARMRead
BV640cwv_actionCWV Action (default N.O.)Write
AV288cwv_pctCWV PercentageRead
BV565dh1_enDehumid. #1 EnableRead
BV566dh2_enDehumid. #2 EnableRead
AV346dh_mod_spDH Mod. SPWrite
AV344dh_llimDH Mode Low Limit (default 60°F)Write
AV341dh_sat_sp_oDH SAT SP Occ (default 70°F)Write
AV342dh_sat_sp_uDH SAT SP Unocc (default 75°)Write
AV337dh_sp_oDH SP Occ (default 55)Write
AV338dh_sp_uDH SP Unocc (default 65)Write
AV345dh1_statDH1 Sensor StatusRead
AV349dh2_sens_statDH2 Sensor StatusRead
BV256dr1_statDR1 StatusRead
BV257dr2_statDR2 StatusRead
AV245dx_lat2_statDX LAT #2 StatusRead
AV243dx_lat_statDX LAT StatusRead
BV843dx_lat_failureDXLAT FAILRead
BV844dx_lat2_failureDXLAT2 FAILRead
BV831ecat_failureECAT FAILRead
AV219ecat_statECAT StatusRead
BV962econ_not_fddECON NOTRead
AV600econ_mat_spEcon. MAT SP (default 65°F)Write
AV549econ_oae_spEcon. OAE SP (default 22btu/lb)Write
AV550econ_oat_uspEcon. OAT Upper SP (default 59°F)Write
BV832ecrh_failureECRH FAILRead
AV221ecrh_statECRH StatusRead
BV952ecw_alarmECW ALARMRead
BV247ecw_cmdECW CommandRead
BV222ecw_cs_statECW CS StatusRead
BV514ecw_def_onECW Defrost ONRead
BV513ecw_enECW Enable (default 25°F)Read
BV953ecw_hand_alarmECW HANDRead
AV284ecwvfd_freqECW VFD FrequencyRead
BV860ef_alarmEF ALARMRead
AV305ef_ams_spEF AMS SP (default 2000cfm)Write
AV302ef_dpt_spEF DPT SP (default 1 in. of H2O)Write
BV861ef_hand_alarmEF HANDRead
AV287efmod_pctEF ModulationRead
AV259ef_oa_ams_statEF OA AMS StatusRead
AV639ef_pid_ovrdEF PID Output OverrideWrite
BV631ef_pid_ovrd_lockEF PID Output Override LockWrite
BV221ef_aps_statEF-APS or CS StatusRead
BV895em_shtdn_alarmEM SHTDNRead
BV579ehtg_enEm. Htg. EnableRead
BV821emsd_enEmerg. Shutdown EnableWrite
BV822emsd_statusEmergency Shutdown StatusRead
BV234emrsd_statEMR/EMSD StatusRead
BV1100en_bas_mon_oaEnable BAS Mon OAT/ OARHWrite
BV106en_bas_monEnable BAS Monitor ScheduleWrite
BV960fdd_alarm_enEnable FDD AlarmsWrite
AV262eca_dewpointEntering Coil Air Dew PointRead
AV263ec_enthalpyEntering coil Air EnthalpyRead
BV964excess_oa_fddEXCESS OARead
BVmin110bas_comm_statusField BAS Comm. StatusWrite
BV871fp1_alarmFP1 ALARMRead
BV872fp1_stop_alarmFP1 STOPRead
BV885fp2_alarmFP2 ALARMRead
BV886fp2_stop_alarmFP2 STOPRead
AV323fp_lspFreeze Protection LSP (default 38°F)Write
AV322fp_mspFreeze Protection MSP (default 45°F)Write
AV321fp_uspFreeze Protection USP (default 55°F)Write
BV231frz_statFRZ StatusRead
BV830fzt_alarmFZT ALARMRead
AV677htg_mod_minHeat Mod. Minimum Output (default 0%)Write
AV286htg_modHeat ModulationRead
AV678htg_pid_ovrdHeat PID Output OverrideWrite
BV671htg_pid_ovrd_lockHeat PID Output Override LockWrite
BV571hp1_enHeat Pump #1 EnableRead
BV572hp2_enHeat Pump #2 EnableRead
BV563htg_rh_enHeating Supports ReheatWrite
AV668hgrh_mod_minHGRH Mod. Minimum Output (default 0%)Write
AV285hgrh_modHGRH ModulationRead
AV669hgrh_pid_ovrdHGRH PID Output OverrideWrite
BV661hgrh_pid_ovrd_lockHGRH PID Output Override LockWrite
BV826high_co2_alarmHIGH CO2Read
AV804high_sfdpt_spHigh Supply DPT SP (default 5 in. of H2O)Write
BV226hps1_statHPS #1 StatusRead
BV229hps2_statHPS #2 StatusRead
BV867hps1_alarmHPS1 ALARMRead
BV868hps1_stop_alarmHPS1 STOPRead
BV881hps2_alarmHPS2 ALARMRead
BV882hps2_stop_alarmHPS2 STOPRead
BV892hsat_alarmHSAT ALARMRead
BV858hsdp_alarmHSDP ALARMRead
BV859hsdp_stop_alarmHSDP STOPRead
BV891heat_failureHT FAILRead
AV351htg_en_spHtg Enable SP (default 55°F)Write
AV360htg_hlimHtg Mode High Limit Set Point (default 60°F)Write
AVmin354htg_sat_sp_oHtg SAT SP Occ (default 70°F or 90°F Recirc)Write
AV355htg_sat_sp_uHtg SAT SP Unocc (default 90°F)Write
AV253zn_ef_dpt11_statIN0/11_ZN/EFdpt StatusRead
BV1115local_oa_sens_enLocal OAT/OARH Sensor EnabledWrite
BV225lps1_statLPS #1 StatusRead
BV228lps2_statLPS #2 StatusRead
BV869lps1_alarmLPS1 ALARMRead
BV870lps1_stop_alarmLPS1 STOPRead
BV883lps2_alarmLPS2 ALARMRead
BV884lps2_stop_alarmLPS2 STOPRead
BV898low_sat_alarmLSAT ALARMRead
BV828marh_failureMARH FAILRead
AV224marh_statMA-RH StatusRead
BV827mat_failureMAT FAILRead
AV223mat_statMAT StatusRead
AV264ma_dewpointMixed Air Dew PointRead
AV265ma_enthalpyMixed Air EnthalpyRead
BV219nsb_onNight Setback Mode ONRead
BV961not_econ_fddNOT ECONRead
AV306oa_ams_spOA AMS SP (default 800 cfm)Write
BV242oada_enOA Damper EnableRead
BV950oada_alarmOADA ALARMRead
BV951oada_hand_alarmOADA HANDRead
AV607oada_min_pos_cmdOADA Minimum PositionWrite
AV609oada_pid_ovrdOADA PID Output OverrideWrite
BV601oada_pid_ovrd_lockOADA PID Output Override LockWrite
AV204oada_posOADA PositionRead
BV220oada_statOADA StatusRead
BV836oarh_failureOARH FAILRead
AV1106bas_oarhOARH from BASWrite
AV229oarh_statOA-RH StatusRead
BV835oat_failureOAT FAILRead
AV1104bas_oatOAT from BASWrite
AV227oat_statOAT StatusRead
MVmin101occ_ctrl_optsOccupancy Control Options: local, BAS, 24/7 or CO2Write
BVmin105occ_statusOccupancy StatusRead
AV319clg_llimOccupied Cooling Mode Low Limit (default 55°F)Write
BV1120od_cmdOD CommandRead
AV111op_condOperating Condition (code, see notes)Read
AVmin112op_modeOperating Mode (code, see notes)Read
BV902opt_start_onOptimal Start OnRead
AV266oa_dewpointOutside Air Dew PointRead
AV267oa_enthalpyOutside Air EnthalpyRead
BV963rada_not_mod_fddRADA NOTRead
AV601rada_posRADA PositionRead
AV283rada_statRADA StatusRead
BV834rarh_failureRARH FAILRead
AV226rarh_statRA-RH StatusRead
BV833rat_failureRAT FAILRead
AV225rat_statRAT StatusRead
BV503rada_cmdReturn Air Damper StatusRead
AV268ra_dewpointReturn Air Dew PointRead
AV269ra_enthalpyReturn Air EnthalpyRead
BV564rh_cmdRH CMDRead
BV561rh_clg_modeRH in CoolingWrite
BV550rv_cmdRV CMDRead
BV840sarh_failureSARH FAILRead
AV237sarh_statSARH StatusRead
BV839sat_failureSAT FAILRead
AV361sat_heat_fail_spSAT Heat Fail SP (default 50°F)Write
AV362sat_high_limit_spSAT High Limit SP (default 120°F)Write
AV808sat_low_limit_spSAT Low Limit SP (default 40°F)Write
AV326sat_max_resetSAT Maximum Reset (default 15)Write
AV325sat_ratioSAT Ratio (default 3)Write
AVmin235sat_statSAT StatusRead
BV1110sc_zat_disaSC ZAT DISAWrite
BV896sd_alarmSD ALARMRead
BV235sd_statSD StatusRead
BV855sf_alarmSF ALARMRead
AV304sf_ams_spSF AMS SP (default 3900 cfm)Write
AV261sf_ams_statSF AMS StatusRead
BV241sf_cmdSF CommandRead
AV301sf_dpt_spSF DPT SP (default 1 in. of H2O)Write
AV255sf_dpt_statSF DPT Status (default 5 in. of H2O)Read
BV856sf_hand_alarmSF HANDRead
AV630sf_clg_min_outSF Mod. CLG Min. Output (default 50%)Write
AV629sf_hp_min_outSF Mod. HP Min. Output (default 85%)Write
AV282sfmod_pctSF ModulationRead
MV931sf_operSF OperationWrite1=Continuous/Demand, 2=Con/Con, 3=Dem/Dem
AV628sf_pid_ovrdSF PID Output Override (default 90%)Write
BV621sf_pid_ovrd_lockSF PID Output Override LockWrite
BV223sf_aps_statSF-APS or CS StatusRead
AV627sf_min_outSFMinimum OutputRead
AV250slt_statSLT #1 StatusRead
AV251slt2_statSLT #2 StatusRead
BV845slt_failureSLT FAILRead
BV846slt2_failureSLT2 FAILRead
BV248sc_cmdSub-Cooling CommandRead
AV270sa_dewpointSupply Air Dew PointRead
AV271sa_enthalpySupply Air EnthalpyRead
BV819unit_stopUnit StopRead
AV320clg_llim_uUnoccupied Cooling Mode Low LimitWrite
BV240w1_cmdW1 CommandRead
BV578w1_enW1 EnableRead
BV239w2_cmdW2 CommandRead
BV837wexat_failureWExAT FAILRead
AV238wexat_statWExAT StatusRead
BV838wexrh_failureWExRH FAILRead
AV239wexrh_statWExRH StatusRead
BV829wfs_alarmWFS ALARMRead
BV230wfs_statWFS StatusRead
BV852zat_failureZAT FAILRead
AV208zat_basZAT From BASWrite
AV324zat_ratioZAT Ratio (default 1)Write
AV209zat_statZAT StatusRead
BV301rs_sat_enZAT/SAT Set Point Reset EnableWrite
AV303zn_dpt_spZN DPT SP (default 0.020 in. of H2O)Write
AV274za_dewpointZone Air Dew PointRead
AV275za_enthalpyZone Air EnthalpyRead
AV200clg_zat_sp_oZone set point, occupied cooling (default 74°F)Write
AV201htg_zat_sp_oZone set point, occupied heating (default 68°F)Write
AV202clg_zat_sp_uZone set point, unoccupied cooling (default 80°F)Write
AV203htg_zat_sp_uZone set point, unoccupied heating (default 60)Write
BV853zrh_failureZRH FAILRead
AV211zrh_basZ-RH From BASWrite
AV212zrh_statZ-RH StatusRead
Object ID lookup: Carrier 62X / 62W Dedicated Outdoor Air Unit 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 62X / 62W Dedicated Outdoor Air Unit (Rev. K controls) 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 Carrier 62X / 62W Dedicated Outdoor Air Unit (Rev. K controls)

How many BACnet points does the Carrier 62X / 62W Dedicated Outdoor Air Unit (Rev. K controls) have?

This list has 248 BACnet objects: 110 analog values, 136 binary values, 2 multi-state values. The exact set on a given unit depends on its firmware, installed options and configuration.

Which Carrier 62X / 62W Dedicated Outdoor Air Unit (Rev. K controls) BACnet points are writable?

84 of the 248 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 Carrier 62X / 62W Dedicated Outdoor Air Unit (Rev. K controls) BACnet documentation?

The source is 62X 03-55 Tons Revision K Controls Dedicated Outdoor Air Unit - Controls, Operation, Start-Up and Troubleshooting (Appendix A, Table C: Mapping Points - Carrier 62X Rev. K - 100% Outdoor Air) (62X-6T), revision 4-26, published free by Carrier at https://brandportal.carrier.com/asset/aed21172-6c56-4004-b609-dceb606c3ca2/62X-6T.pdf.

What are the minimum BACnet points to integrate the Carrier 62X / 62W Dedicated Outdoor Air Unit (Rev. K controls)?

Start with BV 101 occ_en (BAS occupied/unoccupied command); MV 101 occ_ctrl_opts (Must be BAS for BAS occupancy control); AV 313 clg_sat_sp_o (Occupied cooling supply air setpoint); AV 354 htg_sat_sp_o (Occupied heating supply air setpoint); BV 110 bas_comm_status (Heartbeat: toggle before the BAS lost delay ends); BV 900 alarm_reset (Alarm reset); AV 112 op_mode (Operating mode code (Appendix B)); BV 105 occ_status (Occupied/unoccupied status); AV 235 sat_stat (Supply air temperature); BV 851 alarm_status (Unit alarm status).

How do I enable BMS control of the Carrier 62X / 62W Dedicated Outdoor Air Unit (Rev. K controls)?

Occupancy Control (Occupancy Control Options, MSV 101) chooses BAS control, local schedule, 24/7 or CO2. With BAS control, BAS Manual Occ Control (BV 101) puts the unit in occupied or unoccupied mode. Enable Unit Operation (Tech Set Up) must be on. Emergency Shutdown in Tech Set Up disables the unit; Emerg. Shutdown Enable (BV 821) is writable over BACnet.

Does the Carrier 62X / 62W Dedicated Outdoor Air Unit (Rev. K controls) need a BACnet heartbeat or have a communication timeout?

Field BAS Comm. Status (BV 110) must change state before the BAS Comm. Lost Delay (AV 103, default 60 s) runs out, or BAS Communication Lost (BV 107) and the BAS LOST alarm (BV 899) are set. Enable BAS Monitor Schedule (BV 106) lets the unit fall back to its local schedule on a loss. The manual does not describe the OAT/OARH loss action beyond its status point (BV 1102).

Can the BMS supply sensor values to the Carrier 62X / 62W Dedicated Outdoor Air Unit (Rev. K controls)?

The BAS can write zone temperature (ZAT From BAS, AV 208), zone RH (AV 211), CO2 (AV 213), outdoor temperature (AV 1104) and outdoor RH (AV 1106). BAS outdoor values are monitored when Enable BAS Mon OAT/OARH (BV 1100) is on; Local OAT/OARH Sensor Enabled (BV 1115) selects the unit's own sensors.

How do I check these points on the real 62X / 62W Dedicated Outdoor Air Unit (Rev. K controls)?

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 Carrier BACnet points lists

Source: 62X 03-55 Tons Revision K Controls Dedicated Outdoor Air Unit - Controls, Operation, Start-Up and Troubleshooting (Appendix A, Table C: Mapping Points - Carrier 62X Rev. K - 100% Outdoor Air) · 62X-6T · rev. 4-26. Object names, instances and units are reproduced as published; descriptions are our own.