{
 "manufacturer": "Reznor",
 "manufacturer_slug": "reznor",
 "model": "MAPS III / MAPS IV Control Option D19 (BACnet point list)",
 "model_slug": "maps-iii-iv-option-d19",
 "aliases": [
  "MAPS III",
  "MAPS IV",
  "MAPSIII&IV-D15-D16-D17-D18-D19-D21",
  "RCB",
  "RDB",
  "RDCB",
  "RDDB",
  "RECB",
  "REDB",
  "RCC",
  "RDC",
  "RDCC",
  "RDDC",
  "RECC",
  "REDC",
  "CP-MAPSIII-D19",
  "D303069",
  "Option D19",
  "D19"
 ],
 "equipment_type": "Packaged rooftop unit / DOAS controller",
 "applies_to": "Reznor MAPS III and MAPS IV modular air processing units (packaged DX rooftop units for high outside air) with control option D19.",
 "summary": "MAPS III and MAPS IV units with control option D19 use a programmable system controller with an optional BMS card for BACnet MS/TP or BACnet IP/Ethernet. The D19 point list has 29 analog variables, 6 integer variables (AV 1001-1006) and 35 digital variables. The BMS can enable the unit, write discharge air, damper, economizer, pressure and CO2 setpoints and share outdoor temperature and humidity; it reads temperatures, mode flags, compressor and heat stage commands, fan, filter, safety and phase status.",
 "bacnet_transport": [
  "BACnet MS/TP",
  "BACnet IP"
 ],
 "firmware": null,
 "default_device_instance": 77000,
 "access_inferred": false,
 "notes": [
  "The point list is the CP-MAPSIII-D19 form (Doc No 303069) reprinted inside the combined MAPS III/IV controls guide (06-26).",
  "Analog variables are AV 1-29, integer variables AV 1001-1006 and digital variables BV 1-35.",
  "Building and duct static pressure points (AV 1001-1003, AV 1006) are integers; the guide says to divide them by 1000 in the BMS.",
  "D19 has no occupancy or state select points in BACnet; occupancy comes from the unit's own inputs (BV 11 shows the occupied input).",
  "Source: Option D19 BACnet Point List, guide pages 107-108."
 ],
 "source": {
  "title": "Control System Guide for Modular Air Processing System Units, Options D15, D16, D17, D18, D19 and D21 (MAPS III and MAPS IV)",
  "doc_number": "MAPSIII&IV-D15-D16-D17-D18-D19-D21 (06-26) REV-A",
  "revision_date": "2026-06",
  "url": "https://assets.reznorhvac.com/download/bcd1b330-3a4f-11f1-ae67-0016e1e579b9/MAPSIII%26IV-D15-D16-D17-D18-D19-D21%20%2806-26%29%20REV-A.pdf"
 },
 "integration": {
  "summary": "Set the BMS protocol, instance, baud and MAC in the controller's BMS Config screens. Enable the unit with BV 1, write the discharge air setpoints and pressure setpoints, and optionally share outdoor temperature and humidity. Monitor supply fan status, discharge temperature, safety status and the general alarm relay.",
  "minimum_points": [
   {
    "ref": "BV 1",
    "name": "Unit_Enable",
    "why": "Unit enable"
   },
   {
    "ref": "AV 3",
    "name": "DA_NAClg_SP",
    "why": "Neutral discharge air cooling setpoint, °F"
   },
   {
    "ref": "AV 4",
    "name": "DA_NAHtg_SP",
    "why": "Neutral discharge air heating setpoint, °F"
   },
   {
    "ref": "AV 1002",
    "name": "Duct_Press_SP",
    "why": "Duct static pressure setpoint"
   },
   {
    "ref": "BV 28",
    "name": "SF_Sts",
    "why": "Supply fan status"
   },
   {
    "ref": "AV 8",
    "name": "DA_Temp",
    "why": "Discharge air temperature"
   },
   {
    "ref": "BV 26",
    "name": "Safety_Sts",
    "why": "Safety input: normal or alarm"
   },
   {
    "ref": "BV 2",
    "name": "Alm_Rly_Cmd",
    "why": "General alarm relay on"
   }
  ],
  "enable": "BV 1 Unit_Enable enables the unit. Fan, heat, cool, dehumidify and occupied calls come from field inputs; BV 7-11 show their state.",
  "heartbeat": null,
  "remote_sensors": "Set BV 24 OA_Temp_Sel or BV 23 OA_Hum_Sel to 1 (BMS) and write AV 22 OA_Temp_BMS or AV 20 OA_Hum_BMS.",
  "setup": [
   "Default MS/TP instance 77000, baud 38400 (9600, 19200, 38400 or 76800), Max Masters 127, Max Info Frames 20.",
   "Settings: Service > BMS Config; set Protocol to BACnet MSTP or BACnet IP/Eth and Termconf PlugIn to Yes, then Instance, Baudrate and MAC."
  ],
  "gotchas": [
   "Static pressure integers are scaled x1000; divide by 1000 in the BMS."
  ]
 },
 "points": [
  {
   "type": "AV",
   "instance": 1,
   "name": "CC_Temp",
   "description": "Cooling Coil Discharge Air Temp",
   "units": "°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 2,
   "name": "CO2DmprOsSP",
   "description": "CO2 Minimum Damper Offset SP; range 0 to 100; default 10",
   "units": "%",
   "access": "W",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 3,
   "name": "DA_NAClg_SP",
   "description": "Discharge Air Temp Neutral Cooling SP; range 50 to 100; default 75",
   "units": "°F",
   "access": "W",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 4,
   "name": "DA_NAHtg_SP",
   "description": "Discharge Air Temp Neutral Heating SP; range 50 to 140; default 65",
   "units": "°F",
   "access": "W",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 5,
   "name": "DA_SP",
   "description": "Discharge Air Temp Active SP",
   "units": "°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 6,
   "name": "DA_SpcClg_SP",
   "description": "Discharge Air Temp Space Cooling SP; range 50 to 100; default 55",
   "units": "°F",
   "access": "W",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 7,
   "name": "DA_SpcHtg_SP",
   "description": "Discharge Air Temp Space Heating Sp; range 50 to 140; default 90",
   "units": "°F",
   "access": "W",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 8,
   "name": "DA_Temp",
   "description": "Discharge Air Temp",
   "units": "°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 9,
   "name": "Damper_Cmd",
   "description": "Damper Output Command; range 0 to 100",
   "units": "%",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 10,
   "name": "DhOADP_SP",
   "description": "Dehum OA Dew Point SP; range 50 to 100; default 58",
   "units": "°F",
   "access": "W",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 11,
   "name": "Ec_OADPLO_SP",
   "description": "Economizer OA Dew Point Lockout SP; range 0 to 120; default 58",
   "units": "°F",
   "access": "W",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 12,
   "name": "Ec_OALO_SP",
   "description": "Economizer OA Temp Lockout SP; range 0 to 120; default 60",
   "units": "°F",
   "access": "W",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 13,
   "name": "Ext_Dmpr_Cmd",
   "description": "External Unit Damper Command; range 0 to 100",
   "units": "%",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 14,
   "name": "HX1_Mod_Cmd",
   "description": "Heating 1 Modulation Command; range 0 to 100",
   "units": "%",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 15,
   "name": "HX2_Mod_Cmd",
   "description": "Heating 2 Modulation Command; range 0 to 100",
   "units": "%",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 16,
   "name": "MA_ChgOvr_SP",
   "description": "Mixed Air Temp Auto Change Over SP; range 45 to 80; default 65",
   "units": "°F",
   "access": "W",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 17,
   "name": "MA_Temp",
   "description": "Mixed Air Temp",
   "units": "°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 18,
   "name": "MinDmprSP",
   "description": "Minimum Damper SP; range 0 to 100; default 10",
   "units": "%",
   "access": "W",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 19,
   "name": "OA_Dew_Point",
   "description": "Outside Air Dew Point",
   "units": "°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 20,
   "name": "OA_Hum_BMS",
   "description": "Outside air humidity from BMS; used when OA_Hum_Sel = 1 (BMS)",
   "units": "%RH",
   "access": "W",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 21,
   "name": "OA_Hum_Raw",
   "description": "Outside Air Humidity",
   "units": "%RH",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 22,
   "name": "OA_Temp_BMS",
   "description": "Outside air temp from BMS; used when OA_Temp_Sel = 1 (BMS)",
   "units": "°F",
   "access": "W",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 23,
   "name": "OA_Temp_Raw",
   "description": "Outside Air Temp",
   "units": "°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 24,
   "name": "RH_Mod_Out",
   "description": "Reheat Modulation Output %; range 0 to 100",
   "units": "%",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 25,
   "name": "SF_VFD_Cmd",
   "description": "Supply Fan VFD Command; range 0 to 100",
   "units": "%",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 26,
   "name": "RA_Temp",
   "description": "Return Air Temperature",
   "units": "°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 27,
   "name": "RA_Humidity",
   "description": "Return Air Humidity",
   "units": "%RH",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 28,
   "name": "EA_Temp",
   "description": "Exhaust Air Temperature",
   "units": "°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 29,
   "name": "EA_Humidity",
   "description": "Exhaust Air Humidity",
   "units": "%RH",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 1001,
   "name": "Bldg_Press_SP",
   "description": "Building Static Pressure SP; range -500 to 500; default 100",
   "units": "in. w.c.",
   "access": "W",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 1002,
   "name": "Duct_Press_SP",
   "description": "Duct Static Pressure SP; range 0 to 2500; default 500",
   "units": "in. w.c.",
   "access": "W",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 1003,
   "name": "Bldg_Pressure",
   "description": "Building Static Pressure",
   "units": "in. w.c.",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 1004,
   "name": "Spc_CO2",
   "description": "Space CO2",
   "units": "ppm",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 1005,
   "name": "SpcCO2SP",
   "description": "Space CO2 SP; range 0 to 2,000; default 1,000",
   "units": "ppm",
   "access": "W",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 1006,
   "name": "Duct_Pressure",
   "description": "Duct Static Pressure",
   "units": "in. w.c.",
   "access": "R",
   "states": ""
  },
  {
   "type": "BV",
   "instance": 1,
   "name": "Unit_Enable",
   "description": "Unit Enable; default Off",
   "units": "",
   "access": "W",
   "states": "0=Off, 1=On"
  },
  {
   "type": "BV",
   "instance": 2,
   "name": "Alm_Rly_Cmd",
   "description": "Unit General Alarm Relay Command",
   "units": "",
   "access": "R",
   "states": "0=Off, 1=On"
  },
  {
   "type": "BV",
   "instance": 3,
   "name": "Comp_Stg1_Cmd",
   "description": "Compressor Stage 1 Command",
   "units": "",
   "access": "R",
   "states": "0=Off, 1=On"
  },
  {
   "type": "BV",
   "instance": 4,
   "name": "Comp_Stg2_Cmd",
   "description": "Compressor Stage 2 Command",
   "units": "",
   "access": "R",
   "states": "0=Off, 1=On"
  },
  {
   "type": "BV",
   "instance": 5,
   "name": "Comp_Stg3_Cmd",
   "description": "Compressor Stage 3 Command",
   "units": "",
   "access": "R",
   "states": "0=Off, 1=On"
  },
  {
   "type": "BV",
   "instance": 6,
   "name": "Comp_Stg4_Cmd",
   "description": "Compressor Stage 4 Command",
   "units": "",
   "access": "R",
   "states": "0=Off, 1=On"
  },
  {
   "type": "BV",
   "instance": 7,
   "name": "Ext_Call_Cool",
   "description": "External Cool Call Input (Y1)",
   "units": "",
   "access": "R",
   "states": "0=Off, 1=On"
  },
  {
   "type": "BV",
   "instance": 8,
   "name": "Ext_Call_Dh",
   "description": "External Call Dehum Input",
   "units": "",
   "access": "R",
   "states": "0=Off, 1=On"
  },
  {
   "type": "BV",
   "instance": 9,
   "name": "Ext_Call_Fan",
   "description": "External Fan Call Input (G)",
   "units": "",
   "access": "R",
   "states": "0=Off, 1=On"
  },
  {
   "type": "BV",
   "instance": 10,
   "name": "Ext_Call_Heat",
   "description": "External Heat Call Input (W1)",
   "units": "",
   "access": "R",
   "states": "0=Off, 1=On"
  },
  {
   "type": "BV",
   "instance": 11,
   "name": "Ext_OCC",
   "description": "Occupied Mode Input",
   "units": "",
   "access": "R",
   "states": "0=Off, 1=On"
  },
  {
   "type": "BV",
   "instance": 12,
   "name": "Ext_Switch_1",
   "description": "External Damper Position Sw 1",
   "units": "",
   "access": "R",
   "states": "0=Off, 1=On"
  },
  {
   "type": "BV",
   "instance": 13,
   "name": "Ext_Switch_2",
   "description": "External Damper Position Sw 2",
   "units": "",
   "access": "R",
   "states": "0=Off, 1=On"
  },
  {
   "type": "BV",
   "instance": 14,
   "name": "HX_Stg1_Cmd",
   "description": "Heating Stage 1 Command",
   "units": "",
   "access": "R",
   "states": "0=Off, 1=On"
  },
  {
   "type": "BV",
   "instance": 15,
   "name": "HX_Stg2_Cmd",
   "description": "Heating Stage 2 Command",
   "units": "",
   "access": "R",
   "states": "0=Off, 1=On"
  },
  {
   "type": "BV",
   "instance": 16,
   "name": "HX_Stg3_Cmd",
   "description": "Heating Stage 3 Command",
   "units": "",
   "access": "R",
   "states": "0=Off, 1=On"
  },
  {
   "type": "BV",
   "instance": 17,
   "name": "HX_Stg4_Cmd",
   "description": "Heating Stage 4 Command",
   "units": "",
   "access": "R",
   "states": "0=Off, 1=On"
  },
  {
   "type": "BV",
   "instance": 18,
   "name": "HX_Stg5_Cmd",
   "description": "Heating Stage 5 Command",
   "units": "",
   "access": "R",
   "states": "0=Off, 1=On"
  },
  {
   "type": "BV",
   "instance": 19,
   "name": "HX_Stg6_Cmd",
   "description": "Heating Stage 6 Command",
   "units": "",
   "access": "R",
   "states": "0=Off, 1=On"
  },
  {
   "type": "BV",
   "instance": 20,
   "name": "NA_Clg_Md",
   "description": "Neutral Air Cooling Mode",
   "units": "",
   "access": "R",
   "states": "0=Off, 1=On"
  },
  {
   "type": "BV",
   "instance": 21,
   "name": "NA_Dehum_Md",
   "description": "Neutral Air Dehum Mode",
   "units": "",
   "access": "R",
   "states": "0=Off, 1=On"
  },
  {
   "type": "BV",
   "instance": 22,
   "name": "NA_Htg_Md",
   "description": "Neutral Air Heating Mode",
   "units": "",
   "access": "R",
   "states": "0=Off, 1=On"
  },
  {
   "type": "BV",
   "instance": 23,
   "name": "OA_Hum_Sel",
   "description": "Share OA Humidity from BMS (0=Probe 1=BMS); default Off",
   "units": "",
   "access": "W",
   "states": "0=Off, 1=On"
  },
  {
   "type": "BV",
   "instance": 24,
   "name": "OA_Temp_Sel",
   "description": "Share OA Temp from BMS (0=Probe 1=BMS); default Off",
   "units": "",
   "access": "W",
   "states": "0=Off, 1=On"
  },
  {
   "type": "BV",
   "instance": 25,
   "name": "Phase_Alarm",
   "description": "Phase Protection Alarm",
   "units": "",
   "access": "R",
   "states": "0=Off, 1=On"
  },
  {
   "type": "BV",
   "instance": 26,
   "name": "Safety_Sts",
   "description": "Safety Input Status",
   "units": "",
   "access": "R",
   "states": "0=Normal, 1=Alarm"
  },
  {
   "type": "BV",
   "instance": 27,
   "name": "SF_Cmd",
   "description": "Supply Fan Command",
   "units": "",
   "access": "R",
   "states": "0=Off, 1=On"
  },
  {
   "type": "BV",
   "instance": 28,
   "name": "SF_Sts",
   "description": "Supply Fan Status",
   "units": "",
   "access": "R",
   "states": "0=Off, 1=On"
  },
  {
   "type": "BV",
   "instance": 29,
   "name": "Spc_Clg_Md",
   "description": "Space Cooling Mode",
   "units": "",
   "access": "R",
   "states": "0=Off, 1=On"
  },
  {
   "type": "BV",
   "instance": 30,
   "name": "Spc_Dehum_Md",
   "description": "Space Dehum Mode",
   "units": "",
   "access": "R",
   "states": "0=Off, 1=On"
  },
  {
   "type": "BV",
   "instance": 31,
   "name": "Spc_Htg_Md",
   "description": "Space Heating Mode",
   "units": "",
   "access": "R",
   "states": "0=Off, 1=On"
  },
  {
   "type": "BV",
   "instance": 32,
   "name": "Filter_Sts",
   "description": "Main or ERV Dirty Filter Status",
   "units": "",
   "access": "R",
   "states": "0=Off, 1=On"
  },
  {
   "type": "BV",
   "instance": 33,
   "name": "RH_Cmd",
   "description": "Reheat Compressor Command",
   "units": "",
   "access": "R",
   "states": "0=Off, 1=On"
  },
  {
   "type": "BV",
   "instance": 34,
   "name": "Htr_1_Sts",
   "description": "Gas Heater 1 Status",
   "units": "",
   "access": "R",
   "states": "0=Off, 1=On"
  },
  {
   "type": "BV",
   "instance": 35,
   "name": "Htr_2_Sts",
   "description": "Gas Heater 2 Status",
   "units": "",
   "access": "R",
   "states": "0=Off, 1=On"
  }
 ],
 "page": "https://easybacnet.com/bacnet-points-lists/reznor/maps-iii-iv-option-d19",
 "note": "Provided as-is. Point availability varies by firmware and options; verify against the live device.",
 "disclaimer": "DISCLAIMER: reference only, provided AS IS with no warranty. May contain errors or be out of date. You must verify every point against the manufacturer's current documentation and the live device before use. easybacnet.com accepts no liability for its use and is not affiliated with the manufacturer. Terms: https://easybacnet.com/terms#content"
}