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Commercial water-source heat pump controller · BACnet points list
Bosch Control Air 6120 - Water to Air (WAF software) BACnet points list
Updated 28 October 2026
Short answer
The Control Air 6120 is Bosch's DDC controller for larger commercial water-to-air heat pumps, including discharge-air control, VFD fans, economizer/boilerless options, hot gas reheat and auxiliary heat. It is a BACnet Advanced Application Controller on MS/TP, PTP or ARC156 (also Modbus and N2). Many points only apply with the Control Air 6120 Point Expander and the matching options.
This page lists 200 BACnet objects for the Bosch Control Air 6120 - Water to Air (WAF software) — 70 of them writable — with each object’s type, instance number, name, engineering units and access. It is re-typed from Bosch’s own free documentation, linked below.
- Manufacturer
- Bosch
- Model
- Control Air 6120 - Water to Air (WAF software)
- Equipment
- Commercial water-source heat pump controller
- Equipment type
- Heat pumps
- BACnet objects
- 200 (70 writable)
- Transport
- BACnet MS/TP, BACnet ARC156, BACnet PTP
- Firmware
- WAF.1.01
- Also known as
- Control Air 6120, WAF 1.01, Bosch commercial WSHP DDC, Bosch TT Water to Air
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BMS integration notes: Bosch Control Air 6120 - Water to Air (WAF software)
Integration in brief
Command occupancy over the network with occupancy_cmd_1 (Control Source = BAS), write occupied setpoints, and choose the temperature source; supply BAS values (zone temp, DAT, RH, CO2, OAT) if the BMS owns the sensors. Monitor current_alarm_1, alm_status_1 and sys_status_1.
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 1 | occupancy_cmd_1 | BAS occupied command; 1 enables unit operation | Write |
| AV 15 | ctrl_source_1 | Occupancy source; 2 = BAS occupancy command (default) | Write |
| AV 4 | occ_clg_stpt_1 | Occupied cooling setpoint | Write |
| AV 2 | occ_htg_stpt_1 | Occupied heating setpoint | Write |
| AV 16 | sys_status_1 | Unoccupied / occupied / fan only / heating / cooling state | Read |
| AV 57 | eff_zone_temp_1 | Zone temperature in use | Read |
| AV 17 | current_alarm_1 | Active alarm code | Read |
| BV 24 | alm_status_1 | Alarm present flag | Read |
Enable & remote start
Control Source (ctrl_source_1, AV 15) defaults to 2 = BAS Occupancy Command; write occupancy_cmd_1 (BV 1) to occupy the unit. Alternatives are digital input IN-1, keypad schedule, manual on or the ZS push-button override. loop_enabled_1 (BV 23) must be 1 to allow heating and cooling.
Sensors & values from the BMS
BMS values can be written to bas_sen_val_1 (AV 7, zone temperature), bas_dat_val_1 (AV 90, discharge air; select with dat_sel_1 AV 81 = 3), bas_rh_sen_val_1 (AV 56), bas_co2_val_1 (AV 49) and bas_oat_1 (AV 29).
Network setup
- BACnet MS/TP runs on the EIA-485 port; the BAS Port Settings DIP switches select the protocol (BACnet MS/TP, N2, Modbus) and baud rate (9.6 to 76.8 kbps), the same for every controller on the trunk.
- The two rotary dials set the MAC address (tens and ones); the controller only reads them at power-up, so change them with power off.
- Port 2a is set to EIA-485 or EIA-232 and 2-wire or 4-wire with jumpers; Port 1 is ARC156 only.
- The controller is a BACnet Advanced Application Controller (B-AAC).
Watch out for
- High static shutdowns follow a three-strike rule; once locked out (code 100) the unit can only be reset from the BACview terminal, not over BACnet.
- Wall-sensor setpoint adjustment is limited to ±3 °F by stpt_adj_lim_1.
- Auxiliary heat (and several other options) needs the Control Air 6120 Point Expander.
- Configuration AVs (input selectors, unit mode, stages, coil configuration) are commissioning settings; avoid cyclic writes.
Bosch Control Air 6120 - Water to Air (WAF software) 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 | |||||
|---|---|---|---|---|---|---|
| BV | 51 | zn_co2_fail_1 | CO2 Hardware Failure Alarm | Read | 0 = Normal 1 = Sensor Failure (Check Sensor Hardware) | |
| AV | 105 | bkup_elect_ht_pos_1 | Backup Electric Heating Coil Position | % | Read | |
| AV | 35 | bkup_ht_lock_val_1 | Backup Heat Lock Value | % | Write | |
| AV | 49 | bas_co2_val_1 | BAS CO2 Sensor Value | ppm | Write | |
| AV | 90 | bas_dat_val_1 | BAS DAT Sensor | °F | Write | |
| AV | 5 | eff_clg_stpt_1 | Effective Cooling Setpoint | °F | Read | |
| AV | 56 | bas_rh_sen_val_1 | BAS RH Sensor Value | % | Write | |
| AV | 34 | econ_boil_mode_stat_1 | Boilerless-Economizer Status | Read | 0 = Disabled 1 = Boilerless 2 = Water Side Economizer | |
| AV | 336 | coil_cfg_1 | Coil Configuration | Write | 0 = Parallel (Default) 1 = Series | |
| AV | 337 | coil_cfg_status_1 | Coil Configuration Status | Read | 0 = Parallel 1 = Series | |
| AV | 60 | comp_ctrl_status_1 | compressor control status | Read | 0 = Zone Control 1 = Discharge Air Control | |
| AV | 14 | cmp_stgs_1 | Compressor Stages | Read | 1 = 1 Compressor 1 Stage 2 = 2 Compressor 2 Stages 3 = 3 Compressor 3 Stages (3 and 4 Stage units only) 4 = 4 Compressor 4 Stages (4 Compressor units only) 5 = 1 Compressor 2 Stages | |
| AVmin | 15 | ctrl_source_1 | Control Source | Write | 0 = Digital Input 1 1 = Keypad Schedule 2 = BAS Occupancy Command (Default) 3 = Factory Use 4 = Manual On-Continuous | |
| BV | 22 | nsb_status_1 | Night Setback (NSB) Status | Read | 0 = Disabled 1 = Night Setback Enabled | |
| AV | 303 | sat_stpt_cl_1 | Cooling Setpoint | °F | Write | |
| AVmin | 17 | current_alarm_1 | Current Alarm | Read | 0 = No Alarm 1-7 = UPM Fault Code 20 = Output Overridden via Keypad 30 = Sensor Failure 40 = Leaving Water Temp Alarm 50 = Zone Temp Alarm 60 = Discharge Air Temperature 70 = Filter Alarm/Compressors 1 & 2 Runtime 80 = Zone Humidity Alarm 90 = High CO2 Level Alarm | |
| AV | 81 | dat_sel_1 | DAT Sensor Selection | Write | 0 = Zone DAT (Default) 1 = DAT Sensor 2 = SAT Sensor 3 = BAS Supplied DAT | |
| AV | 82 | dat_sel_sta_1 | DAT Sensor Source Selection Status | Read | 0 = Zone DAT 1 = DAT Sensor 2 = SAT Sensor 3 = BAS Supplied DAT | |
| AV | 64 | demand_level_1 | Demand Level | °F | Write | |
| AV | 28 | eff_hgr_mod_vlv1_1 | Eff HGR Mod Valve 1 | % | Read | |
| AV | 53 | eff_sa_sta_press_1 | Eff SA Static Pressure | in. W.C. | Read | |
| AV | 25 | eff_zn_co2_lev_1 | Eff Zone Co2 Lev | ppm | Read | |
| BV | 42 | zrem_lo_1 | Low Remote Temperature Alarm | Read | 0 = Normal 1 = Low Zone Temperature (Default: 10 °F Below Setpoint) | |
| AV | 10 | eff_dat_1 | Effect Disch Air Temp | °F | Read | |
| AV | 62 | eff_ewt_1 | Effect EW Temp | °F | Read | |
| BV | 27 | ztmp_lo_1 | Low ZS Zone Sensor Temperature Alarm | Read | 0 = Normal 1 = Low Zone Temperature (Default: 10 °F Below Setpoint) | |
| AV | 11 | eff_lwt_1 | Effect Leaving Wtr Temp | °F | Read | |
| AV | 32 | eff_load_tmp_1 | Effect Load Temp | °F | Read | |
| AV | 75 | eff_oat_1 | Effect Outdoor Air Temp | °F | Read | |
| AV | 20 | eff_zone_humid_1 | Effective Zone Humidity | % | Read | |
| AV | 68 | enabled_clstages_1 | Enabled Stages | Read | ||
| AV | 101 | ewlt_low_trip_1 | EWLT Low Trip Point | °F | Write | |
| AV | 102 | ewlt_low_trip_hyst_1 | EWLT Low Trip Point Hyst | °F | Write | |
| AV | 103 | ewlt_trip_timer_1 | EWLT Timer Above Limit | min | Write | |
| AV | 93 | in10_cfg_sel_1 | IN 10 HW CFG | Write | 0 = DPS 1 = FSS 2 = OAT 3 = Not installed (Default) | |
| AV | 94 | in_10_mode_stat_1 | Input 10 Status | Read | ||
| AV | 36 | in_4_mode_stat_1 | Input 4 Status | Read | 0 = VFD Over Current Hardware (From VFD Controller) 1 = CO2 Hardware 2 = Not Installed (Default) 3 = CWV Feedback | |
| AV | 37 | in_7_mode_stat_1 | Input 7 Status | Read | 0 = VFD Overvoltage Hardware (From VFD Controller) 1 = Entering Water Temperature Sensor 2 = Not Installed (Default) | |
| AV | 38 | in_9_mode_stat_1 | Input 9 Status | Read | 0 = VFD Overload Hardware (From VFD Controller) 2 = Not Installed (Default) | |
| AV | 95 | ms_status_1 | M/S CFG Status | Read | ||
| AV | 96 | ms_cfg_1 | Master/Slave HW CFG | Write | 0 = Normal Operation (Default) 1 = Master 2 = Slave | |
| AV | 24 | mode_status_1 | mode status | Read | 0 = Cooling only 1 = Aux Heat 2 = Heat Pump (Default) 3 = Heat Pump + Aux Heat 4 = Heat Pump + Hot Gas Re-Heat 5 = Cooling + Hot Gas Re-Heat 6 = Heat Pump + Hot Gas Reheat + Auxiliary Heat | |
| AV | 80 | oat_reset1_1 | OAT Reset | °F | Write | |
| AV | 72 | oat_reset2_1 | OAT Reset 2 | °F | Write | |
| AV | 74 | oat_reset3_1 | OAT Reset 3 | °F | Write | |
| AV | 76 | oat_reset4_1 | OAT Reset 4 | °F | Write | |
| AV | 79 | oat_reset5_1 | OAT Reset 5 | °F | Write | |
| AV | 92 | oat_reset_ht_1 | OAT Reset MA | °F | Write | |
| AV | 71 | oat_rst_mode_1 | OAT Reset Mode | Write | 0 = Single Temperature 1 = Multiple Temperature (Default) | |
| AV | 73 | oat_sel_1 | OAT Reset Selection | Write | 0 = BAS supplied OAT 1 = Hardwired OAT Sensor (Default) | |
| AV | 78 | oat_sel_sta_1 | OAT Select | Read | 0 = BAS OAT 1 = Hardwired OAT | |
| AV | 21 | occ_zhumid_stpt_1 | Occupied Zone Humidity Setpoint | % | Write | |
| AV | 39 | htg_ovrde_1 | Output Override | Write | 0 = Off 1 = Override Heating (% Required via BACview Terminal) | |
| AV | 40 | clg_ovrde_1 | Output Override | Write | 0 = Off 1 = Override Cooling (% Required via BACview Terminal) | |
| AV | 89 | oat_rst_mode_stat_1 | Outside Air Reset Mode Status | Read | 0 = Single 1 = Multiple | |
| AV | 54 | sa_sta_hi_trip_1 | SA Static Press High Trip | in. W.C. | Write | |
| AV | 41 | stpt_adj_dem_1 | Setpoint Adjust | °F | Read | |
| AV | 52 | sta_press_stpt_1 | Static Press Setpoint | in. W.C. | Write | |
| AV | 69 | st_press_trip_1 | Static Pressure Shutdown | in. W.C. | Write | |
| AV | 59 | saf_min_speed_1 | Suplpy Air Fan min speed | Write | ||
| AV | 67 | eff_sat_1 | Supply Air Temperature | °F | Read | |
| AV | 77 | sat_lo_trip_1 | supply air low trip | °F | Write | |
| AV | 65 | sat_stpt_diff_1 | Supply Air Setpoint Differential | °F | Write | |
| AV | 31 | sa_setpt_1 | Supply Air Temp Setpoint | °F | Read | |
| AVmin | 16 | sys_status_1 | System Status | Read | 0 = Unoccupied 1 = Occupied 2 = Fan Only 3 = Heating 4 = Cooling 5 = Transition to Cool 6 = Transition to Heat 7 = Manual Cool 8 = Manual Heat 9 = Aux Heat 10 = Re-Heat 11 = Manual Re-Heat 12 = Transition to Re-Heat | |
| AV | 23 | unit_mode_1 | Unit_mode | Write | 0 = Cooling only 1 = Aux Heat 2 = Heat Pump (Default) 3 = Heat Pump + Aux Heat 4 = Heat Pump + Hot Gas Re-Heat 5 = Cooling + Hot Gas Re-Heat 6 = Heat Pump + Hot Gas Re-Heat +Auxiliary Electric Heat | |
| AV | 27 | zn_co2_hi_trip_1 | Zone Co2 High Trip | Write | ||
| AV | 22 | zhumid_stpt_diff_1 | Zone Humidity Stpt Diff | % | Write | |
| BVmin | 24 | alm_status_1 | Alarm Status | Read | ||
| BV | 106 | allow_cwv_alrm_1 | Allow CWV Alarm | Write | 0 = Off 1 = Enable CWV Alarm | |
| BV | 20 | aux_htg_cmd_1 | Aux Heat Output Cmd | Read | 0 = Off 1 = Heat On | |
| BV | 86 | aux_htg3_cmd_1 | Aux Heat Output Cmd | Read | 0 = Off 1 = Heat On | |
| BV | 88 | aux_htg4_cmd_1 | Aux Heat Output Cmd | Read | 0 = Off 1 = Heat On | |
| BV | 84 | aux_htg2_cmd_1 | Aux Heat Output Cmd | Read | 0 = Off 1 = Heat On | |
| BV | 97 | aux_htg1_fo_1 | Aux Heat Output Cmd Flex Only | Read | 0 = Off 1 = Heat On | |
| BV | 98 | aux_htg2_fo_1 | Aux Heat Output Cmd Flex Only | Read | 0 = Off 1 = Heat On | |
| BV | 2 | bkup_ht_lock_1 | Backup Heat Lock? | Write | 0 = Off 1 = On (Heating % must be provided via BACview) | |
| BV | 91 | bas_sd_in_1 | BAS SD Input | Write | 0 = Normal 1 = Smoke Alarm Active | |
| BV | 10 | brn_2st_1 | BRN | Read | 0 = Normal 1 = Brownout Alarm Active | |
| BV | 58 | brn_4st_1 | BRN2 | Read | 0 = Normal 1 = Brownout Alarm Active | |
| BVmin | 1 | occupancy_cmd_1 | BV Occupancy Command (BAS) | Write | 0 = Disable Unit Operation 1 = Enable Unit Operation | |
| BV | 35 | comp1_rntm_1 | CMP1_RNTM | Read | 0 = Off 1 = Timer Has Expired | |
| BV | 36 | comp2_rntm_1 | CMP2_RNTM | Read | 0 = Off 1 = Timer Has Expired | |
| BV | 69 | comp3_rntm_1 | CMP3_RNTM | Read | 0 = Off 1 = Timer Has Expired | |
| BV | 71 | comp4_rntm_1 | CMP4_RNTM | Read | 0 = Off 1 = Timer Has Expired | |
| BV | 11 | cmp_stg1_cmd_1 | Comp Stage1 Output Cmd | Read | 0 = Compressor Stage 1 Off 1 = Compressor 1 On | |
| BV | 12 | cmp_stg2_cmd_1 | Comp Stage2 Output Cmd | Read | 0 = Compressor 2 Off 1 = Compressor 2 On | |
| BV | 66 | cmp_stg3_cmd_1 | Comp Stage3 Output Cmd | Read | 0 = Compressor 3 Off 1 = Compressor 2 On | |
| BV | 67 | cmp_stg4_cmd_1 | Comp Stage4 Output Cmd | Read | 0 = Compressor 2 Off 1 = Compressor 2 On | |
| BV | 13 | cmp1_rntm_rst_1 | Comp1 Runtime Rst | Write | ||
| BV | 14 | cmp2_rntm_rst_1 | Comp2 Runtime Rst | Write | ||
| BV | 68 | cmp3_rntm_rst_1 | Comp3 Runtime Rst | Write | ||
| BV | 70 | cmp4_rntm_rst_1 | Comp4 Runtime Rst | Write | ||
| BV | 9 | con_2st_1 | CON | Read | 0 = Normal 1 = Condensate Alarm | |
| BV | 57 | con_4st_1 | CON2 | Read | 0 = Normal 1 = Condensate Alarm | |
| BV | 105 | cond_vlv_status_1 | Condenser Valve Status | Read | 0 = Compressor Operation Disabled 1 = Compressor Operation Enabled | |
| BV | 18 | Cont_fan_1 | Continous Fan | Write | 0 = Cycle Fan with Compressor Operation 1 = Run Fan when Occupied (Default) | |
| BV | 63 | clg_econ_1 | Cooling Econo | Read | 0 = Off 1 = On | |
| BV | 80 | csat_hi_1 | CSAT_HI | Read | 0 = Normal 1 = High Supply Temperature Alarm Active | |
| BV | 109 | cwv_command_1 | CWV Command | Read | 0 = Off 1 = On | |
| BV | 107 | cwv_fail_1 | CWV_FAIL | Read | ||
| BV | 108 | cwv_hand_1 | CWV_HAND | Read | ||
| BV | 31 | da_sen_1 | DA_SENS_FAIL | Read | 0 = Sensor Connected 1 = Sensor Not Installed | |
| BV | 49 | damper_cmd_1 | Damper Output Cmd | Read | 0 = Closed 1 = Open | |
| BV | 29 | dat_hi_1 | DAT_HI | Read | 0 = Normal 1 = High DAT (Default: >70 °F) | |
| BV | 30 | dat_lo_1 | DAT_LO | Read | 0 = Normal 1 = Low DAT (Default: >75 °F) | |
| BV | 37 | do_lock_1 | DO_LOCK | Read | 0 = Normal 1 = Digital Override Has Been Enabled | |
| BV | 77 | DPS_alarm_1 | DPS Alarm | Read | 0 = Normal 1 = Active DPS | |
| BV | 79 | dx_rntm_1 | DX_RNTM | Read | 0 = Normal 1 = Compressor Time Expired (Default: 8760 Hrs) | |
| BV | 44 | eff_hgrv_cmd_1 | Effect HGR Vlv Command | Read | 0 = Off 1 = Valve Enabled | |
| BV | 72 | elw_sen_1 | ELW_SENS_FAIL | Read | 0 = Normal 1 = Sensor Failure Alarm (Check Hardware Configuration) | |
| BV | 40 | filter_1 | FILTER | Read | 0 = Normal 1 = Active | |
| BV | 50 | filter_status_1 | Filter Status | Read | 0 = Normal 1 = Clean Filter | |
| BV | 8 | frz_2st_1 | FRE | Read | 0 = Normal 1 = Active Freeze Condition | |
| BV | 56 | frz_4st_1 | FRE2 | Read | 0 = Normal 1 = Active Freeze Condition | |
| BV | 62 | htg_econ_1 | Heating Econo | Read | 0 = Off 1 = Compressors Off & Electric Heat Enabled | |
| BV | 96 | blw_static_status_1 | High Static Status | Read | 0 = Normal 1 = High Static Pressure | |
| BV | 5 | hp1_2st_1 | HP1 | Read | 0 = Normal 1 = Active High Pressure 1 Alarm | |
| BV | 52 | hp2_2st_1 | HP2 | Read | 0 = Normal 1 = Active High Pressure 3 Alarm | |
| BV | 7 | hp3_3st_1 | HP3 | Read | 0 = Normal 1 = High Pressure 2 Alarm | |
| BV | 54 | hp4_4st_1 | HP4 | Read | 0 = Normal 1 = High Pressure 4 Alarm | |
| BV | 61 | hsat_lo_1 | HSAT_LO | Read | 0 = Normal 1 = Active (Default: <80 °F) | |
| BV | 38 | input_lock_1 | INPUT_LOCK | Read | 0 = Normal 1 = Software Lock Enabled | |
| BV | 23 | loop_enabled_1 | Loop Enabled | Write | 0 = Disable Heat/Cool 1 = Allow Heating and Cooling | |
| BV | 81 | sta_press_low_1 | LOW SP | Read | 0 = Normal 1 = Alarm Active (Default: 0.25") | |
| BV | 4 | lp1_2st_1 | LP1 | Read | 0 = Normal 1 = LP1 Alarm Active | |
| BV | 53 | lp2_2st_1 | LP2 | Read | 0 = Normal 1 = LP3 Alarm Active | |
| BV | 6 | x_1 | LP3 | Read | 0 = Normal 1 =Low Pressure 2 Alarm | |
| BV | 55 | lp4_4st_1 | LP4 | Read | 0 = Normal 1 = LP4 Alarm Active | |
| BV | 32 | lvg_hi_1 | LVG_HI | Read | 0 = Normal 1 = High LWT Alarm Active (Default: >135 °F) | |
| BV | 33 | lvg_lo_1 | LVG_LO | Read | 0 = Normal 1 = Low LWT Alarm Active (Default: <21 °F) | |
| BV | 34 | lvg_sen_1 | LVG_SENS_FAIL | Read | 0 = Normal 1 = Sensor Failure (Check Sensor Hardware Configuration) | |
| BV | 99 | oat_sen_1 | OA_SENS_FAIL | Read | 0 = Normal 1 = Sensor Failure (Check Sensor Hardware Configuration) | |
| BV | 82 | clg_ovrde_lock_1 | Output Override Lock | Write | 0 = Off 1 = On | |
| BV | 93 | blw_ovrc_status_1 | Overcurrent Status | Read | 0 = Normal 1 = Over Current Detected | |
| BV | 75 | blwr_ovrload_alm_1 | Overload | Read | 0 = Normal 1 = Overload Detected | |
| BV | 74 | blw_ovrload_status_1 | Overload Status | Read | 0 = Normal 1 = Active Blower Overload | |
| BV | 95 | blw_ovrv_status_1 | Overvoltage Status | Read | 0 = Normal 1 = Overvoltage Detected | |
| BV | 92 | blwr_ovrcurrent_alm_1 | Ovrcurrent | Read | 0 = Normal 1 = Over Current Detected | |
| BV | 94 | blwr_ovrv_alm_1 | Ovrvoltage | Read | 0 = Normal 1 = Overvoltage Detected | |
| BV | 19 | fan_rntm_rst_1 | Reset Fan Rntm | Write | ||
| BV | 16 | rev_vlv_act_1 | Rev Valve Action | Write | 0 = Heating is enabled 1 = Cooling is enabled (Default) | |
| BV | 90 | sa_config_error_1 | SA_CFG | Read | ||
| BV | 65 | sas_sen_1 | SA_SENS_FAIL | Read | 0 = Normal 1 = Sensor Failure (Check Sensor Hardware) | |
| BV | 64 | sas_hi_1 | SAS_HI | Read | 0 = Normal 1 = High Static Pressure (Default: 4.0" H20) | |
| BV | 73 | sat-sen_1 | SAT SENS FAIL | Read | 0 = Normal 1 = Sensor Failure (Check Sensor Hardware) | |
| BV | 78 | sat_hi_1 | SAT_HI | Read | 0 = Normal 1 = High SAT Alarm Active | |
| BV | 206 | sat_lo_1 | SAT_LO | Read | 0 = Normal 1 = Low SAT Alarm Active | |
| BV | 89 | smoke_1 | Smk Det Alarm | Read | 0 = Normal 1 = Alarm | |
| BV | 87 | smoke_status_1 | smoke detector status | Read | 0 = Normal 1 = Smoke Detector Active | |
| BV | 39 | upm_input_1 | UPM INPUT | Read | 0 = UPM Connected 1 = UPM Connection Failure | |
| BV | 59 | upm2_input_1 | UPM2 INPUT | Read | 0 = UPM Connected 1 = UPM Connection Failure | |
| BV | 25 | upm_rst_1 | UPM Reset | Write | ||
| BV | 60 | upm2_rst_1 | UPM Reset | Write | ||
| BV | 45 | zhumid_hi_1 | ZHUM_HI | Read | 0 = Normal 1 = High Humidity (Default: 10% above Setpoint) | |
| BV | 46 | zhumid_lo_1 | ZHUM_LO | Read | 0 = Normal 1 = Low Humidity (Default: 30% below Setpoint) | |
| BV | 47 | zhumid_sen_1 | ZHUM_SENS_FAIL | Read | 0 = Normal 1 = Sensor Failure (Check Sensor Failure) | |
| BV | 48 | zn_co2_hi_1 | ZN_CO2_HI | Read | 0 = Normal 1 = High CO2 Level (Default: >1200 PPM) | |
| BV | 15 | rev_vlv_cmd_1 | Rev Valve Output Cmd | Read | 0 = Valve De- energized 1 = Valve Energized | |
| AV | 8000 | version_1 | Software Version | Read | ||
| BV | 21 | occ_status_1 | Occupancy Status | Read | 0 = Unoccupied 1 = Occupied | |
| AV | 13 | clg_pct_1 | Cooling Demand Percentage | % | Read | |
| AV | 12 | htg_pct_1 | Heating Demand Percentage | % | Read | |
| BV | 26 | ztmp_hi_1 | High ZS Zone Sensor Temperature Alarm | Read | 0 = Normal 1 = High Zone Temperature (Default: 10 °F Above Setpoint) | |
| BV | 28 | zone_sen_1 | ZS Zone Sensor Hardware Failure Alarm | Read | 0 = Normal 1 = Sensor Failure (Check Sensor Hardware) | |
| BV | 41 | zrem_hi_1 | High Remote Temperature Alarm | Read | 0 = Normal 1 = High Zone Temperature (Default: 10 °F Above Setpoint) | |
| BV | 43 | zrem_sen_1 | Remote Temperature Sensor Hardware Failure Alarm | Read | 0 = Normal 1 = Sensor Failure (Check Sensor Hardware) | |
| AV | 42 | stpt_adj_lim_1 | ZS Sensor Setpoint Adjustment Limit | °F | Write | |
| AV | 6 | eff_htg_stpt_1 | Effective Heating Setpoint | °F | Read | |
| AVmin | 4 | occ_clg_stpt_1 | Setpoint | °F | Write | |
| AVmin | 2 | occ_htg_stpt_1 | Setpoint | °F | Write | |
| AV | 1 | unocc_clg_stpt_1 | Setpoint | °F | Write | |
| AV | 3 | unocc_htg_stpt_1 | Setpoint | °F | Write | |
| AV | 115 | tlo_rem_1 | Override Time Remaining | Read | ||
| AV | 8 | comp_mode_1 | Compressor Control Mode | Write | 0 = Zone (Default) 1 = Discharge Air Control 2 = Zone (BAS) 3 = Zone (Remote) | |
| BV | 76 | override_status_1 | Override Status | Read | 0 = Normal 1 = ZS Sensor in Override Mode | |
| AV | 9 | eff_remzone_temp_1 | Effect Zone Remote Temperature | Read | ||
| AV | 116 | zt_reset_1 | Effective ZS Sensor Temperature | Read | ||
| AV | 29 | bas_oat_1 | BAS Outdoor Air Temp | Write | ||
| AV | 55 | eff_sa_fan_speed_1 | Eff SA Fan Speed | % | Read | |
| AV | 7 | bas_sen_val_1 | BAS Temperature Sensor Value | °F | Write | |
| AV | 18 | in3_cfg_sel_1 | Input 3 configuration selector | Write | 0 = Not installed (Default) 1 = Leaving Water temperature sensor | |
| AV | 19 | in3_cfg_sta_1 | Input 3 Configuration status | Read | ||
| AV | 26 | zone_rem_sen_val_1 | Remote Temp or Return Air Temp Value | Read | ||
| AV | 30 | sat_hi_trip_1 | Supply Air High Differential Trip | Write | ||
| AVmin | 57 | eff_zone_temp_1 | Zone Temperature | °F | Read | |
| AV | 58 | zs_sen_combo_sel_1 | ZS Sensor Combo Selector | Write | 0 = Temp Only 1 = RH Only 2 = CO2 Only 3 = Temp + RH 4 = Temp + CO2 5 = RH + CO2 6 = Temp + RH + CO2 (Default) 7 = No ZS Sensor | |
| AV | 61 | zs_sensor_en_1 | ZS Sensor Enable | Write | 0 = No ZS sensors 1 = ZS sensors enabled (Default) | |
| BV | 3 | da_stpt_reset_1 | DAT Sepoint reset | Write | 0 = Disabled (Default) 1 = Enabled | |
| BV | 17 | lckout_resp_1 | Fan Response for Comp Lockout | Write | 0 = Do not lock fan upon compressor lockout (Default) 1 = Lock fan upon compressor lockout | |
| AV | 2004 | serial_number_1 | Counter No Serial | Write | ||
| AV | 2003 | counter_no_local_1 | Counter Number local | Write | ||
| AV | 2005 | bosch_pn1_1 | Part Number | Write | ||
| AV | 2001 | factory_pc_1 | Plant Code | Write | ||
| AV | 114 | stages_1 | Stages | Write | 1 = 1 Compressor 1 Stage 2 = 2 Compressor 2 Stages 3 = 3 Compressor 3 Stages (3 and 4 Stage units only) 4 = 4 Compressor 4 Stages (4 Compressor units only) (Default) 5 = 1 Compressor 2 Stages | |
| AV | 2002 | mfg_date_1 | Warranty | Write | ||
| AI | 1 | sa_temp_1 | SAT 8 | °F | Read | |
| AV | 109 | in1_cfg_sta_1 | Input 1 Configuration Status | Read | ||
| AV | 50 | Fan_mode_1 | Fan_mode | Write | 1 = Standard Fan Configuration (default) 2 = Variable Frequency Drive Configuration | |
| AV | 51 | fan_mode_status_1 | fan mode status | Read | 0 = Start / Stop Fan Operation 1 = Variable Frequency Drive Fan Operation |
No points match these filters.
Integration notes
- Object names end in _1 as printed; the LP3 alarm is printed with the name x_1 (BV 6).
- Alarms are reported through current_alarm_1 (AV 17); high-static lockout is reported as code 100 on sys_status_1 (AV 16) and can only be reset from BACview.
- Points for compressor stages 3-4, auxiliary heat 2-4 and second UPM only apply to units built with them.
- AV 2001-2005 hold factory serial / part number data.
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 Control Air 6120 - Water to Air (WAF software) 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 Bosch Control Air 6120 - Water to Air (WAF software)
How many BACnet points does the Bosch Control Air 6120 - Water to Air (WAF software) have?
This list has 200 BACnet objects: 1 analog input, 96 analog values, 103 binary values. The exact set on a given unit depends on its firmware, installed options and configuration.
Which Bosch Control Air 6120 - Water to Air (WAF software) BACnet points are writable?
70 of the 200 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 Bosch Control Air 6120 - Water to Air (WAF software) BACnet documentation?
The source is Bosch TT - Water to Air Network Integration Points List (WAF.1.01), revision 2019-08-12, published free by Bosch at https://www.bosch-homecomfort.com/us/media/country_pool/service/technical_guides/ipl_waf_1_01_us.pdf.
What are the minimum BACnet points to integrate the Bosch Control Air 6120 - Water to Air (WAF software)?
Start with BV 1 occupancy_cmd_1 (BAS occupied command; 1 enables unit operation); AV 15 ctrl_source_1 (Occupancy source; 2 = BAS occupancy command (default)); AV 4 occ_clg_stpt_1 (Occupied cooling setpoint); AV 2 occ_htg_stpt_1 (Occupied heating setpoint); AV 16 sys_status_1 (Unoccupied / occupied / fan only / heating / cooling state); AV 57 eff_zone_temp_1 (Zone temperature in use); AV 17 current_alarm_1 (Active alarm code); BV 24 alm_status_1 (Alarm present flag).
How do I enable BMS control of the Bosch Control Air 6120 - Water to Air (WAF software)?
Control Source (ctrl_source_1, AV 15) defaults to 2 = BAS Occupancy Command; write occupancy_cmd_1 (BV 1) to occupy the unit. Alternatives are digital input IN-1, keypad schedule, manual on or the ZS push-button override. loop_enabled_1 (BV 23) must be 1 to allow heating and cooling.
Can the BMS supply sensor values to the Bosch Control Air 6120 - Water to Air (WAF software)?
BMS values can be written to bas_sen_val_1 (AV 7, zone temperature), bas_dat_val_1 (AV 90, discharge air; select with dat_sel_1 AV 81 = 3), bas_rh_sen_val_1 (AV 56), bas_co2_val_1 (AV 49) and bas_oat_1 (AV 29).
How do I check these points on the real Control Air 6120 - Water to Air (WAF software)?
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 Bosch BACnet points lists
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Bosch water-to-air (water source) heat pumps fitted with the Control Air 5600 DDC controller running WAZ zone software.
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Bosch Control Air 5600 - Water to Water (WWZ software)
Bosch water-to-water heat pumps fitted with the Control Air 5600 DDC controller running WWZ software.
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Source: Bosch TT - Water to Air Network Integration Points List · WAF.1.01 · rev. 2019-08-12. Object names, instances and units are reproduced as published; descriptions are our own.