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Water-cooled screw chiller controller (BACnet option) · BACnet points list
Carrier 30HXA / 30HXC 076-271 Series 9 (UPC Open BACnet option) BACnet points list
Updated 28 October 2026
On the 30HX, BACnet MS/TP comes from a UPC Open controller added to the ComfortLink chiller. Its list has about 250 AVs, BVs and three multistate values covering start/stop, control point, demand limit, setpoints, cooler and condenser water temperatures, refrigerant pressures, compressor currents and run hours, and alarm state.
This page lists 252 BACnet objects for the Carrier 30HXA / 30HXC 076-271 Series 9 (UPC Open BACnet option) — 16 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
- 30HXA / 30HXC 076-271 Series 9 (UPC Open BACnet option)
- Equipment
- Water-cooled screw chiller controller (BACnet option)
- Equipment type
- Chillers
- BACnet objects
- 252 (16 writable)
- Transport
- BACnet MS/TP
- Firmware
- Not stated
- Default device instance
- Network number 16101 followed by the MAC address (MAC 20 gives 1610120)
- Also known as
- 30HX, 30HXA, 30HXC, 30HX-2T, UPC Open, ComfortLink, screw chiller
BMS integration notes: Carrier 30HXA / 30HXC 076-271 Series 9 (UPC Open BACnet option)
Address the UPC Open, set the MS/TP DIP switches, and set the control method (OPT2 > CTRL) to CCN. The BMS then starts and stops the chiller with BV 3 (CHIL_S_S) and can write control point and demand limit; read control mode, leaving fluid temperature, capacity and alarm state.
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.
| Object | Name | Why | Access |
|---|---|---|---|
| BV 3 | chil_s_s_1 | Network start/stop | Write |
| AV 59 | ctrl_pnt_1 | Control point (leaving fluid setpoint) | Write |
| AV 16 | dem_lim_1 | Demand limit, 0-100 % | Write |
| MV 5 | stat_msv_1 | Control mode | Read |
| AV 62 | cool_lwt_1 | Cooler leaving fluid temperature | Read |
| AV 61 | cool_ewt_1 | Cooler entering fluid temperature | Read |
| AV 120 | cap_t_1 | Percent total capacity | Read |
| MV 2 | alm_msv_1 | Alarm state: 1 Normal, 2 Alert, 3 Alarm | Read |
Enable & remote start
Set the control method (OPT2 > CTRL) to CCN = CCN Control; CHIL_S_S (BV 3) then starts and stops the chiller from the network.
Network setup
- The BACnet option adds a UPC Open controller; it speaks BACnet MS/TP at 9600, 19.2k, 38.4k or 76.8k (Carrier default 76.8k), set on BAS port DIP switches DS1-DS2.
- For MS/TP set DS3 to enable, DS4 to E1-485 and the protocol switches DS5-DS8 to MSTP; the EIA-485 jumpers must be set to EIA-485 and 2W.
- MAC address from the two rotary switches (tens and ones); the controller reads switches and DIP settings only at power-up.
- Device instance is auto-generated as the network number (default 16101) followed by the MAC address, e.g. MAC 20 gives 1610120; change it with i-Vu Tools or a BACview.
- Fit a BT485 terminator on the first and last controller of the MS/TP segment.
Watch out for
- Alarm state and control mode exist both as AVs (AV 19, AV 58) and as multistate values (MV 2, MV 5); the alarm codes start at 0 on the AV and at 1 on the MV.
- Emergency Stop (BV 33) is listed read-only in the BACnet table, so it is not a BMS command here.
Carrier 30HXA / 30HXC 076-271 Series 9 (UPC Open BACnet option) 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.
| Description | States | |||||
|---|---|---|---|---|---|---|
| AV | 1 | dmv_lvl_1_perct_1 | Demand Level 1 | % | Read | |
| AV | 2 | dmv_lvl_2_perct_1 | Demand Level 2 | % | Read | |
| AV | 3 | dmv_lvl_3_perct_1 | Demand Level 3 | % | Read | |
| AV | 4 | csp_in_1 | 4-20 ma Cooling Setpoint | mA | Read | |
| AV | 5 | lmt_ma_1 | 4-20 ma Demand Signal | mA | Read | |
| AV | 6 | hsp_in_1 | 4-20 ma Heating Setpoint | mA | Read | |
| AV | 7 | rst_ma_1 | 4-20 ma Reset Signal | mA | Read | |
| AV | 8 | tmtr_a1_1 | A1 Motor Temperature | °F | Read | |
| AV | 9 | fltp_a1_1 | A1 Oil Filter Diff.Press | PSI | Read | |
| AV | 10 | op_a1_1 | A1 Oil Pressure | PSIG | Read | |
| AV | 11 | dop_a1_1 | A1 Oil Pressure Diff. | PSI | Read | |
| AV | 12 | tmtr_a2_1 | A2 Motor Temperature | °F | Read | |
| AV | 13 | fltp_a2_1 | A2 Oil Filter Diff.Press | PSI | Read | |
| AV | 14 | op_a2_1 | A2 Oil Pressure | PSIG | Read | |
| AV | 15 | dop_a2_1 | A2 Oil Pressure Diff. | PSI | Read | |
| AVmin | 16 | dem_lim_1 | Active Demand Limit | % | Write | |
| AV | 17 | sp_1 | Active Setpoint | °F | Read | |
| AV | 18 | alrmcnfg_1 | Alarm Relay Usage | Read | ||
| AV | 19 | alm_1 | Alarm State | Read | ||
| AV | 20 | aprch_sp_1 | Approach Setpoint | °F | Read | |
| AV | 21 | tmtr_b1_1 | B1 Motor Temperature | °F | Read | |
| AV | 22 | fltp_b1_1 | B1 Oil Filter Diff.Press | PSI | Read | |
| AV | 23 | op_b1_1 | B1 Oil Pressure | PSI | Read | |
| AV | 24 | dop_b1_1 | B1 Oil Pressure Diff. | PSI | Read | |
| AV | 25 | tmtr_b2_1 | B2 Motor Temperature | °F | Read | |
| AV | 26 | fltp_b2_1 | B2 Oil Filter Diff.Press | PSI | Read | |
| AV | 27 | op_b2_1 | B2 Oil Pressure | PSI | Read | |
| AV | 28 | dop_b2_1 | B2 Oil Pressure Diff. | PSI | Read | |
| AV | 29 | mop_spa_1 | Calculated MOP Circuit A | °F | Read | |
| AV | 30 | mop_spb_1 | Calculated MOP Circuit B | °F | Read | |
| AV | 31 | dl_stat_1 | CCN Loadshed Signal | Read | ||
| AV | 32 | hr_cira_1 | Circuit A Run Hours | hr | Read | |
| AV | 33 | cy_cira_1 | Circuit A Starts | Read | ||
| AV | 34 | hr_cirb_1 | Circuit B Run Hours | hr | Read | |
| AV | 35 | cy_cirb_1 | Circuit B Starts | Read | ||
| AV | 36 | a_curr_1 | Circuit Running Current | A | Read | |
| AV | 37 | b_curr_1 | Circuit Running Current | A | Read | |
| AV | 38 | a1_mta_1 | Comp A1 % Must Trip Amps | % | Read | |
| AV | 39 | a1_curr_1 | Comp A1 Running Current | A | Read | |
| AV | 40 | a2_mta_1 | Comp A2 % Must Trip Amps | % | Read | |
| AV | 41 | a2_curr_1 | Comp A2 Running Current | A | Read | |
| AV | 42 | b1_mta_1 | Comp B1 % Must Trip Amps | % | Read | |
| AV | 43 | b1_curr_1 | Comp B1 Running Current | A | Read | |
| AV | 44 | b2_mta_1 | Comp B2 % Must Trip Amps | % | Read | |
| AV | 45 | b2_curr_1 | Comp B2 Running Current | A | Read | |
| AV | 46 | hr_a1_1 | Compressor A1 Run Hours | hr | Read | |
| AV | 47 | cy_a1_1 | Compressor A1 Starts | Read | ||
| AV | 48 | hr_a2_1 | Compressor A2 Run Hours | hr | Read | |
| AV | 49 | cy_a2_1 | Compressor A2 Starts | Read | ||
| AV | 50 | hr_b1_1 | Compressor B1 Run Hours | hr | Read | |
| AV | 51 | cy_b1_1 | Compressor B1 Starts | Read | ||
| AV | 52 | hr_b2_1 | Compressor B2 Run Hours | hr | Read | |
| AV | 53 | cy_b2_1 | Compressor B2 Starts | Read | ||
| AV | 54 | comp_seq_1 | Compressor Sequence | Write | ||
| AV | 55 | cond_ewt_1 | Condenser Entering Fluid | °F | Read | |
| AV | 56 | cond_lwt_1 | Condenser Leaving Fluid | °F | Read | |
| AV | 57 | cnpc_1 | Condenser Pump Control | Read | ||
| AV | 58 | stat_1 | Control Mode | Read | ||
| AVmin | 59 | ctrl_pnt_1 | Control Point | °F | Write | |
| AV | 60 | coolewts_1 | Cool Entering Fluid-Slave | °F | Read | |
| AVmin | 61 | cool_ewt_1 | Cooler Entering Fluid | °F | Read | |
| AVmin | 62 | cool_lwt_1 | Cooler Leaving Fluid | °F | Read | |
| AV | 63 | cramp_1 | Cooling Ramp Loading | °F | Write | |
| AV | 64 | csp1_1 | Cooling Setpoint 1 | °F | Write | |
| AV | 65 | csp2_1 | Cooling Setpoint 2 | °F | Write | |
| AV | 66 | coollwts_1 | Cool Leaving Fluid-Slave | °F | Read | |
| AV | 67 | cur_trip_1 | Current Unbalance SetPnt | % | Read | |
| AV | 68 | z_gain_1 | Deadband Multiplier | Read | ||
| AV | 69 | dmt20ma_1 | Demand Limit at 20 mA | % | Read | |
| AV | 70 | distmp_a_1 | Discharge Gas Temp (circuit A) | °F | Read | |
| AV | 71 | distmp_b_1 | Discharge Gas Temp (circuit B) | °F | Read | |
| AV | 72 | distmpa1_1 | Discharge Gas Temp - A1 | °F | Read | |
| AV | 73 | distmpa2_1 | Discharge Gas Temp - A2 | °F | Read | |
| AV | 74 | distmpb1_1 | Discharge Gas Temp - B1 | °F | Read | |
| AV | 75 | distmpb2_1 | Discharge Gas Temp - B2 | °F | Read | |
| AV | 76 | dp_a_1 | Discharge Pressure (circuit A) | PSI | Read | |
| AV | 77 | dp_b_1 | Discharge Pressure (circuit B) | PSI | Read | |
| AV | 78 | sh_a_1 | Discharge Superheat Temp (circuit A) | °F | Read | |
| AV | 79 | sh_b_1 | Discharge Superheat Temp (circuit B) | °F | Read | |
| AV | 80 | size_dpx_1 | Dual Chiller Size | tons | Read | |
| AV | 81 | sizeadpx_1 | Dual Chiller Tons Avail | tons | Read | |
| AV | 82 | dclgcapl_1 | Dual Chill Lag CapLimit | % | Read | |
| AV | 83 | dcldcapl_1 | Dual Chill Lead Cap Limit | % | Read | |
| AV | 84 | capa_dpx_1 | Dual Chill Pct Avail Cap | % | Read | |
| AV | 85 | capt_dpx_1 | Dual Chill Pct Total Cap | % | Read | |
| AV | 86 | ecnp_a_1 | Economizer Pressure (circuit A) | PSI | Read | |
| AV | 87 | ecnp_b_1 | Economizer Pressure (circuit B) | PSI | Read | |
| AV | 88 | ewt_1 | Entering Fluid Temp | °F | Read | |
| AV | 89 | exv_a_1 | EXV % Open (circuit A) | % | Read | |
| AV | 90 | exv_b_1 | EXV % Open (circuit B) | % | Read | |
| AV | 91 | head_typ_1 | Head Press. Control Type | Read | ||
| AV | 92 | hsp_a_1 | Head Pressure Setpoint A | °F | Write | |
| AV | 93 | hsp_b_1 | Head Pressure Setpoint B | °F | Write | |
| AV | 94 | hramp_1 | Heating Ramp Loading | Read | ||
| AV | 95 | hsp1_1 | Heating Setpoint 1 | °F | Read | |
| AV | 96 | hsp2_1 | Heating Setpoint 2 | °F | Read | |
| AV | 97 | csp3_1 | Ice Setpoint | °F | Write | |
| AV | 98 | lag_cp_1 | Lag Chiller Ctrl Point | °F | Read | |
| AV | 99 | ll_delay_1 | Lag Start Delay | min | Read | |
| AV | 100 | ll_bal_d_1 | Lead/Lag Balance Delta | °F | Read | |
| AV | 101 | ll_bal_1 | Lead/Lag Balance Select | hrs | Read | |
| AV | 102 | dual_lwt_1 | Lead/Lag Leaving Fluid | Read | ||
| AV | 103 | lead_type_1 | Lead/Lag Sequence Select | Write | ||
| AV | 104 | lead_cp_1 | Lead Chiller Ctrl Point | Read | ||
| AV | 105 | lwt_1 | Leaving Fluid Temp - Prime Variable | °F | Read | |
| AV | 106 | smz_1 | Load/Unload Factor | Read | ||
| AV | 107 | smzslave_1 | Load/Unload Factor-Slave | Read | ||
| AV | 108 | seq_type_1 | Loading Sequence Select | Write | ||
| AV | 109 | shed_del_1 | Loadshed Demand Delta | % | Read | |
| AV | 110 | shed_num_1 | Loadshed Group Number | Read | ||
| AV | 111 | hr_mach_1 | Machine Operating Hours | hr | Read | |
| AV | 112 | cy_mach_1 | Machine Starts | Read | ||
| AV | 113 | shed_tim_1 | Maximum Loadshed Time | min | Read | |
| AV | 114 | delay_1 | Minutes Off Time | min | Write | |
| AV | 115 | fp_sp_1 | Oil Filter Delta P Setpt | PSI | Read | |
| AV | 116 | oat_1 | Outside Air Temperature | °F | Write | |
| AV | 117 | cap_a_1 | Percent Avail.Capacity | % | Read | |
| AV | 118 | capa_a_1 | Percent Available Cap. (circuit A) | % | Read | |
| AV | 119 | capb_a_1 | Percent Available Cap. (circuit A) | % | Read | |
| AVmin | 120 | cap_t_1 | Percent Total Capacity | % | Read | |
| AV | 121 | capa_t_1 | Percent Total Capacity (circuit A) | % | Read | |
| AV | 122 | capb_t_1 | Percent Total Capacity (circuit B) | % | Read | |
| AV | 123 | hrem_deg_1 | Remote - Degrees Reset | °F (delta) | Read | |
| AV | 124 | hrem_ful_1 | Remote - Full Reset Temp | dF | Read | |
| AV | 125 | hrem_no_1 | Remote - No Reset Temp | dF | Read | |
| AV | 126 | hrtn_deg_1 | Return - Degrees Reset | °F (delta) | Read | |
| AV | 127 | hrtn_ful_1 | Return - Full Reset Temp | °F (delta) | Read | |
| AV | 128 | hrtn_no_1 | Return - No Reset Temp | °F (delta) | Read | |
| AV | 129 | tmp_scta_1 | Saturated Condensing Tmp (circuit A) | °F | Read | |
| AV | 130 | tmp_sctb_1 | Saturated Condensing Tmp (circuit B) | °F | Read | |
| AV | 131 | tmp_ssta_1 | Saturated Suction Temp (circuit A) | °F | Read | |
| AV | 132 | tmp_sstb_1 | Saturated Suction Temp (circuit B) | °F | Read | |
| AV | 133 | slv_addr_1 | Slave Address | Read | ||
| AV | 134 | spt_1 | Space Temperature | °F | Write | |
| AV | 135 | sp_a_1 | Suction Pressure (circuit A) | PSI | Read | |
| AV | 136 | sp_b_1 | Suction Pressure (circuit B) | PSI | Read | |
| AV | 137 | vhptype_1 | Var Head Pressure Select | Read | ||
| AV | 138 | vhpa_1 | Variable Head Press Pct. (circuit A) | % | Read | |
| AV | 139 | vhpb_1 | Variable Head Press Pct. (circuit B) | % | Read | |
| AV | 2901 | user_analog_1_1 | User Defined Analog 1 | Read | ||
| AV | 2902 | user_analog_2_1 | User Defined Analog 2 | Read | ||
| AV | 2903 | user_analog_3_1 | User Defined Analog 3 | Read | ||
| AV | 2904 | user_analog_4_1 | User Defined Analog 4 | Read | ||
| AV | 2905 | user_analog_5_1 | User Defined Analog 5 | Read | ||
| AV | 9006 | cool_demand_level_1 | System Cooling Demand Level | Read | ||
| BV | 1 | schedule_1 | Local Schedule | Read | On/Off | |
| BV | 2 | dem_lmt_act_1 | System Demand Limiting | Read | Inactive/Active | |
| BVmin | 3 | chil_s_s_1 | CCN Chiller | Write | Start/Stop | |
| BV | 4 | mode_27_1 | Circuit A - Pumping out | Read | On/Off | |
| BV | 5 | mode_28_1 | Circuit B - Pumping out | Read | On/Off | |
| BV | 6 | mode_25_1 | Ckt A Off Ref Flow Delay | Read | On/Off | |
| BV | 7 | mode_26_1 | Ckt B Off Ref Flow Delay | Read | On/Off | |
| BV | 8 | cls_ctrl_1 | Close Control Select | Read | Disable/Enable | |
| BV | 9 | k_a1_fbk_1 | Compressor A1 Feedback | Read | On/Off | |
| BV | 10 | k_a1_rly_1 | Compressor A1 Relay | Read | On/Off | |
| BV | 11 | k_a2_fbk_1 | Compressor A2 Feedback | Read | On/Off | |
| BV | 12 | k_a2_rly_1 | Compressor A2 Relay | Read | On/Off | |
| BV | 13 | k_b1_fbk_1 | Compressor B1 Feedback | Read | On/Off | |
| BV | 14 | k_b1_rly_1 | Compressor B1 Relay | Read | On/Off | |
| BV | 15 | k_b2_fbk_1 | Compressor B2 Feedback | Read | On/Off | |
| BV | 16 | k_b2_rly_1 | Compressor B2 Relay | Read | On/Off | |
| BV | 17 | condflow_1 | Condenser Flow Switch | Read | On/Off | |
| BV | 18 | cd_temp_1 | Condenser Fluid Sensors | Read | No/Yes | |
| BV | 19 | cnd_lock_1 | Condenser Pump Interlock | Read | Off/On | |
| BV | 20 | cond_pmp_1 | Condenser Pump Relay | Read | On/Off | |
| BV | 21 | coolflow_1 | Cooler Flow Switch | Read | On/Off | |
| BV | 22 | mode_16_1 | Cooler Freeze Protection | Read | On/Off | |
| BV | 23 | cool_htr_1 | Cooler Heater | Read | On/Off | |
| BV | 24 | cpc_1 | Cooler Pump Control | Read | Off/On | |
| BV | 25 | cool_pmp_1 | Cooler Pump Relay | Read | On/Off | |
| BV | 26 | mode_1_1 | CSM Controlling Chiller | Read | On/Off | |
| BV | 27 | mode_15_1 | Demand Limit In Effect | Read | On/Off | |
| BV | 28 | dmd_sw1_1 | Demand Limit Switch 1 | Read | On/Off | |
| BV | 29 | dmd_sw2_1 | Demand Limit Switch 2 | Read | On/Off | |
| BV | 30 | dc_link_1 | Dual Chiller Link Good ? | Read | Yes/No | |
| BV | 31 | mode_13_1 | Dual Setpoint | Read | On/Off | |
| BV | 32 | dual_in_1 | Dual Setpoint Switch | Read | On/Off | |
| BV | 33 | emstop_1 | Emergency Stop | Read | Enable/Emstop | |
| BV | 34 | emm_brd_1 | EMM Module installed | Read | No/Yes | |
| BV | 35 | noflowen_1 | Enable No Flow Detection | Read | Disable/Enable | |
| BV | 36 | fan_1_1 | Fan 1 Relay | Read | On/Off | |
| BV | 37 | fan_2_1 | Fan 2 Relay | Read | On/Off | |
| BV | 38 | fan_3_1 | Fan 3 Relay | Read | On/Off | |
| BV | 39 | fan_4_1 | Fan 4 Relay | Read | On/Off | |
| BV | 40 | heatcool_1 | Heat Cool Select | Read | Heat/Cool | |
| BV | 41 | mode_23_1 | High Motor Current Cir.A | Read | On/Off | |
| BV | 42 | mode_24_1 | High Motor Current Cir.B | Read | On/Off | |
| BV | 43 | mode_21_1 | High SCT Circuit A | Read | On/Off | |
| BV | 44 | mode_22_1 | High SCT Circuit B | Read | On/Off | |
| BV | 45 | mode_18_1 | Hi Tmp Cool/Lo Tmp Heat | Read | On/Off | |
| BV | 46 | ice_1 | Ice Done | Read | Yes/No | |
| BV | 47 | ice_cnfg_1 | Ice Mode Enable | Read | Disable/Enable | |
| BV | 48 | lag_off_1 | Lag Commanded Off? | Read | Yes/No | |
| BV | 49 | lag_smzc_1 | Lag- SMZ Clear Commanded | Read | Yes/No | |
| BV | 50 | ll_ena_1 | Lead/Lag Chiller Enable | Read | Yes/No | |
| BV | 51 | leadsmzc_1 | Lead SMZ Clear Commanded | Read | Disable/Enable | |
| BV | 52 | llsv_1 | Liq. Line Solenoid Valve | Read | Open/Close | |
| BV | 53 | loadr_a1_1 | Loader A1 Relay | Read | On/Off | |
| BV | 54 | loadr_a2_1 | Loader A2 Relay | Read | On/Off | |
| BV | 55 | loadr_b1_1 | Loader B1 Relay | Read | On/Off | |
| BV | 56 | loadr_b2_1 | Loader B2 Relay | Read | On/Off | |
| BV | 57 | mode_17_1 | Lo Tmp Cool/Hi Tmp Heat | Read | On/Off | |
| BV | 58 | mode_7_1 | Low Cooler Suction Temp A | Read | On/Off | |
| BV | 59 | mode_8_1 | Low Cooler Suction Temp B | Read | On/Off | |
| BV | 60 | mode_11_1 | Low Dischrge Superheat A | Read | On/Off | |
| BV | 61 | mode_12_1 | Low Dischrge Superheat B | Read | On/Off | |
| BV | 62 | mode_4_1 | Low Source Protection | Read | On/Off | |
| BV | 63 | mode_19_1 | Making ICE | Read | On/Off | |
| BV | 64 | mode_3_1 | Master/Slave Control | Read | On/Off | |
| BV | 65 | ms_sel_1 | Master/Slave Select | Read | Slave/Master | |
| BV | 66 | mlv_flg_1 | Minimum Load Valve Select | Read | No/Yes | |
| BV | 67 | mlva_1 | Minimum Load Valve (circuit A) | Read | On/Off | |
| BV | 68 | mlvb_1 | Minimum Load Valve (circuit B) | Read | On/Off | |
| BV | 69 | mode_10_1 | Minimum OFF Time Active | Read | On/Off | |
| BV | 70 | mtrcl_a1_1 | Motor Coolng A1 Solenoid | Read | On/Off | |
| BV | 71 | mtrcl_a2_1 | Motor Coolng A2 Solenoid | Read | On/Off | |
| BV | 72 | mtrcl_b1_1 | Motor Coolng B1 Solenoid | Read | On/Off | |
| BV | 73 | mtrcl_b2_1 | Motor Coolng B2 Solenoid | Read | On/Off | |
| BV | 74 | occ_1 | Occupied | Read | Yes/No | |
| BV | 75 | oila_htr_1 | Oil Heater (circuit A) | Read | On/Off | |
| BV | 76 | oilb_htr_1 | Oil Heater (circuit B) | Read | On/Off | |
| BV | 77 | oila_sw_1 | Oil Level Switch (circuit A) | Read | Close/Open | |
| BV | 78 | oilb_sw_1 | Oil Level Switch (circuit B) | Read | Close/Open | |
| BV | 79 | oilpmp_a_1 | Oil Pump (circuit A) | Read | On/Off | |
| BV | 80 | oilpmp_b_1 | Oil Pump (circuit B) | Read | On/Off | |
| BV | 81 | oilsl_a1_1 | Oil Solenoid A1 | Read | On/Off | |
| BV | 82 | oilsl_a2_1 | Oil Solenoid A2 | Read | On/Off | |
| BV | 83 | oilsl_b1_1 | Oil Solenoid B1 | Read | On/Off | |
| BV | 84 | oilsl_b2_1 | Oil Solenoid B2 | Read | On/Off | |
| BV | 85 | mode_1 | Override Modes in Effect | Read | Yes/No | |
| BV | 86 | parallel_1 | Parallel Configuration | Read | Yes/No | |
| BV | 87 | press_ty_1 | Pressure Transducers | Read | No/Yes | |
| BV | 88 | mode_5_1 | Ramp Load Limited | Read | On/Off | |
| BV | 89 | ramp_ebl_1 | Ramp Load Select | Write | Disable/Enable | |
| BV | 90 | mode_9_1 | Slow Change Override | Read | On/Off | |
| BV | 91 | mode_20_1 | Storing ICE | Read | On/Off | |
| BV | 92 | mode_14_1 | Temperature Reset | Read | On/Off | |
| BV | 93 | mode_6_1 | Timed Override In Effect | Read | On/Off | |
| BV | 94 | mode_29_1 | Unit Off: No Water Flow | Read | On/Off | |
| BV | 95 | wintmsg_1 | Winterize Alert Config | Read | Disable/Enable | |
| BV | 96 | mode_2_1 | WSM Controlling Chiller | Read | On/Off | |
| BV | 97 | comm_lost_alm_1 | Element Communications Alarm | Read | Comm Normal/Comm Lost | |
| BV | 118 | element_alarm_1 | Equipment Alarm | Read | Normal/Alarm | |
| BV | 2911 | user_binary_1_1 | User Defined Binary 1 | Read | ||
| BV | 2912 | user_binary_2_1 | User Defined Binary 2 | Read | ||
| BV | 2913 | user_binary_3_1 | User Defined Binary 3 | Read | ||
| BV | 2914 | user_binary_4_1 | User Defined Binary 4 | Read | ||
| BV | 2915 | user_binary_5_1 | User Defined Binary 5 | Read | ||
| BV | 2999 | element_stat_1 | Element Comm Status | Read | No Comm/Normal | |
| MVmin | 2 | alm_msv_1 | Alarm State | Read | 1 = Normal, 2 = Alert, 3 = Alarm | |
| MVmin | 5 | stat_msv_1 | Control Mode | Read | 0 = Service Test, 1 = Off-Local, 2 = Off-CCN, 3 = Off-Clock, 4 = Off-Emergency, 5 = On-Local, 6 = On-CCN, 7 = On-Clock | |
| MV | 6 | fluidtyp_msv_1 | Cooler Fluid | Read | 1 = Water, 2 = Medium Brine, 3 = Low Brine |
No points match these filters.
Integration notes
- BACnet comes from the optional UPC Open controller, mounted in the main control box; object names end in _1.
- The Network Points List gives a point description, CCN name, read/write, units, default and range for each object; descriptions here are the printed point descriptions.
- The table lists multistate values as MSV (mapped as MV here). AV 19 / MV 2 (Alarm State) and AV 58 / MV 5 (Control Mode) share one table row each.
- AV 58 Control Mode codes: 0 Service Test, 1 Off-Local, 2 Off-CCN, 3 Off-Clock, 4 Off-Emergency, 5 On-Local, 6 On-CCN, 7 On-Clock.
- Emergency Stop (BV 33) is printed as read-only in this table.
- Some printed units are clear misprints and are corrected here: Cooling Setpoint 1 (AV 64) has no unit printed (set to °F), Lead/Lag Sequence Select (AV 103) shows °F (removed), circuit starts (AV 33, AV 35) show hr (removed), and "Minimum" is shown as min. Other printed defaults and ranges that look shifted by a row are not carried over.
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. Easy BACnet scans a network for BACnet IP devices from an Android phone, reads every object on the 30HXA / 30HXC 076-271 Series 9 (UPC Open BACnet option) 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 30HXA / 30HXC 076-271 Series 9 (UPC Open BACnet option)
How many BACnet points does the Carrier 30HXA / 30HXC 076-271 Series 9 (UPC Open BACnet option) have?
This list has 252 BACnet objects: 145 analog values, 104 binary values, 3 multi-state values. The exact set on a given unit depends on its firmware, installed options and configuration.
Which Carrier 30HXA / 30HXC 076-271 Series 9 (UPC Open BACnet option) BACnet points are writable?
16 of the 252 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 30HXA / 30HXC 076-271 Series 9 (UPC Open BACnet option) BACnet documentation?
The source is 30HXA,HXC076-271 Condenserless and Water-Cooled Chillers with ComfortLink Controls 50/60 Hz, Series 9 - Controls, Start-Up, Operation, Service, and Troubleshooting (Appendix H, BACnet Communication Option, Network Points List) (30HX-2T), revision 8-24, published free by Carrier at https://www.shareddocs.com/hvac/docs/1005/Public/08/30HX-2T.pdf.
What are the minimum BACnet points to integrate the Carrier 30HXA / 30HXC 076-271 Series 9 (UPC Open BACnet option)?
Start with BV 3 chil_s_s_1 (Network start/stop); AV 59 ctrl_pnt_1 (Control point (leaving fluid setpoint)); AV 16 dem_lim_1 (Demand limit, 0-100 %); MV 5 stat_msv_1 (Control mode); AV 62 cool_lwt_1 (Cooler leaving fluid temperature); AV 61 cool_ewt_1 (Cooler entering fluid temperature); AV 120 cap_t_1 (Percent total capacity); MV 2 alm_msv_1 (Alarm state: 1 Normal, 2 Alert, 3 Alarm).
How do I enable BMS control of the Carrier 30HXA / 30HXC 076-271 Series 9 (UPC Open BACnet option)?
Set the control method (OPT2 > CTRL) to CCN = CCN Control; CHIL_S_S (BV 3) then starts and stops the chiller from the network.
How do I check these points on the real 30HXA / 30HXC 076-271 Series 9 (UPC Open BACnet option)?
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
- Applied rooftop unit controller
Carrier 48/50K and 48/50V Rooftop (SmartVu PIC 6.1)
Carrier 48/50K and 48/50V applied rooftop units (gas heat or electric heat, R-454B) with SmartVu controls on PIC 6.1 hardware.
Also known as: SmartVu, PIC 6.1, PIC6.1, 48K, 50K, 48V, 50V, 48/50K, 48/50V, Carrier applied rooftop, 48-50-ART-SVU-1T - Water-cooled centrifugal chiller controller
Carrier AquaEdge 19DV (PIC6)
Carrier AquaEdge 19DV two-stage centrifugal chillers with the PIC6 controller.
Also known as: 19DV, AquaEdge 19DV, PIC6, 19DV-CLT-3T, centrifugal chiller - Water-cooled centrifugal chiller controller
Carrier AquaEdge 19MV (PIC6)
Carrier AquaEdge 19MV two-stage semi-hermetic centrifugal chillers with Greenspeed Intelligence (magnetic bearings) and PIC6 controls.
Also known as: 19MV, AquaEdge 19MV, 19MV-CLT-3T, PIC6, magnetic bearing centrifugal chiller - Water-cooled centrifugal chiller controller
Carrier AquaEdge 19XR (PIC 5)
Carrier AquaEdge 19XR two-stage semi-hermetic centrifugal chillers with PIC 5 controls.
Also known as: 19XR, AquaEdge 19XR, PIC 5, PIC5, 19XR-CLT-3T, centrifugal chiller - Water-cooled screw chiller controller
Carrier AquaEdge 23XRV (PIC6)
Carrier AquaEdge 23XRV variable-speed water-cooled screw chillers with the PIC6 touchscreen controller.
Also known as: 23XRV, AquaEdge 23XRV, PIC6, 23XRV-3T, variable speed screw chiller - Air-cooled screw chiller controller (BACnet option)
Carrier AquaForce 30XA 080-501 (UPC Open BACnet option)
Carrier AquaForce 30XA080-501 air-cooled screw chillers with the BACnet communication option (UPC Open controller).
Also known as: 30XA, AquaForce 30XA, 30XA-7T, UPC Open, Carrier Controller, screw chiller - Air-cooled screw chiller (via BACnet translator)
Carrier AquaForce 30XA 140-352 (BACnet/Modbus Translator)
Carrier AquaForce 30XA 140-352 air-cooled screw chillers with Touch Pilot controls and the factory BACnet/Modbus translator.
Also known as: 30XA, AquaForce 30XA, 30XA-100T, Touch Pilot, BACnet/Modbus translator - Air-cooled screw chiller controller
Carrier AquaForce 30XV 140-500 Series B (PIC6.1 Carrier Controller)
Carrier AquaForce 30XV140-500 Series B variable-speed air-cooled screw chillers with the PIC6.1 Carrier Controller and version 9.x software.
Also known as: 30XV, AquaForce 30XV, 30XV Series B, 30XV-6T, PIC6.1, Carrier Controller, Greenspeed - Scroll chiller / heat pump controller
Carrier AquaSnap 30MP (PIC6 Carrier Controller)
Carrier AquaSnap 30MPW017-080 water-cooled, 30MPA021-080 condenserless and 30MPQ021-080 heat pump chillers with scroll compressors and PIC6 (Carrier Controller).
Also known as: 30MPW, 30MPA, 30MPQ, 30MP, AquaSnap 30MP, 30MP-8T, Carrier Controller - Air-cooled scroll chiller controller (BACnet option)
Carrier AquaSnap 30RAP 010-150 (UPC Open BACnet option)
Carrier AquaSnap 30RAP010-150 air-cooled chillers and 30RAP011-060 with Greenspeed Intelligence (R-410A, ComfortLink controls) fitted with the BACnet communication option.
Also known as: 30RAP, AquaSnap 30RAP, 30RAP-8T, 30RAP Greenspeed, UPC Open, ComfortLink - Air-cooled scroll chiller controller (BACnet option)
Carrier AquaSnap 30RB 060-390 (UPC Open BACnet option)
Carrier AquaSnap 30RB060-390 air-cooled chillers and 30RB080-390 with Greenspeed Intelligence (ComfortLink controls) fitted with the BACnet communication option.
Also known as: 30RB, AquaSnap 30RB, 30RB-8T, 30RB Greenspeed, UPC Open, ComfortLink - Air-cooled scroll chiller controller
Carrier AquaSnap 30RC 010-060
Carrier AquaSnap 30RC 010-060 air-cooled scroll chillers (with or without Greenspeed fans) using the Carrier Controller.
Also known as: 30RC, AquaSnap 30RC, 30RC-101T, Carrier Controller, 30RC BACnet IP - Networked room thermostat
Carrier ComfortVu BACnet Thermostat
Carrier ComfortVu wall thermostats controlling fan coils or AC/heat pump units.
Also known as: ComfortVu, Carrier ComfortVu, 11-808-726-01 - Fan coil unit controller
Carrier Fan Coil Open
Carrier fan coil units fitted with the Fan Coil Open (OPN-FC) multi-protocol controller.
Also known as: Fan Coil Open, OPN-FC, Carrier Fan Coil controller, 11-808-540-01 - Rooftop unit controller
Carrier RTU Open v5
Carrier packaged rooftop units and heat pumps retrofitted or factory-fitted with the RTU Open controller.
Also known as: RTU Open, OPN-RTU, RTU-Open, 11-808-697-01 - Water-source heat pump controller
Carrier WSHP Open v3
Carrier water-source heat pumps fitted with the WSHP Open multi-protocol controller.
Also known as: WSHP Open, WSHP-Open, Carrier water source heat pump controller, 11-808-539-01
Source: 30HXA,HXC076-271 Condenserless and Water-Cooled Chillers with ComfortLink Controls 50/60 Hz, Series 9 - Controls, Start-Up, Operation, Service, and Troubleshooting (Appendix H, BACnet Communication Option, Network Points List) · 30HX-2T · rev. 8-24. Object names, instances and units are reproduced as published; descriptions are our own.