{
 "manufacturer": "Mitsubishi Electric",
 "manufacturer_slug": "mitsubishi-electric",
 "model": "Procon MelcoBEMS MINI (A1M+) - Lossnay units",
 "short_model": "MelcoBEMS MINI Lossnay",
 "model_slug": "melcobems-mini-a1m-plus-lossnay",
 "aliases": [
  "A1M+ Lossnay",
  "MelcoBEMS MINI A1M PLUS Lossnay"
 ],
 "equipment_type": "Energy recovery ventilator interface",
 "applies_to": "Mitsubishi Electric Lossnay energy recovery ventilators supported by the A1M+ (listed in the manual appendix).",
 "summary": "For Lossnay energy recovery ventilators the MelcoBEMS MINI (A1M+) serves power, mode, ventilation mode, fan speed and setpoint commands on BACnet MS/TP or BACnet IP, plus supply, outdoor and room temperatures, CO2, energy, filter and maintenance signs and a set of capability flags as analog inputs.",
 "bacnet_transport": [
  "BACnet IP",
  "BACnet MS/TP"
 ],
 "firmware": "4.1.1",
 "default_device_instance": null,
 "access_inferred": true,
 "notes": [
  "Access is not printed per object; it follows the guide's property table (AV, BO and multistate outputs have a writable present value and priority array; inputs are read-only).",
  "The adapter detects the connected unit type and only serves the matching object list (Air-To-Air, Air-To-Water or Lossnay).",
  "Temperature objects read in °C or °F according to the Temperature Units multistate output."
 ],
 "source": {
  "title": "Procon MelcoBEMS MINI (A1M+) Installation Manual (manual 1.0.3, firmware 4.1.1)",
  "doc_number": null,
  "revision_date": null,
  "url": "https://library.mitsubishielectric.co.uk/pdf/download_full/5538"
 },
 "integration": {
  "summary": "Select BACnet with DIP switch 7, then write power, mode, ventilation mode and fan speed, and read temperatures, CO2 and the filter and maintenance signs.",
  "minimum_points": [
   {
    "ref": "BO 0",
    "name": "Lossnay Drive OFF/ON Setup",
    "why": "Power on/off command"
   },
   {
    "ref": "MO 1",
    "name": "Lossnay Mode Setup",
    "why": "Mode command (heat/cool/fan/auto)"
   },
   {
    "ref": "MO 2",
    "name": "Lossnay Vent Mode Setup",
    "why": "Ventilation mode (Lossnay/bypass/auto)"
   },
   {
    "ref": "MO 3",
    "name": "Lossnay Fan Speed A Setup",
    "why": "Fan speed command"
   },
   {
    "ref": "AV 4",
    "name": "Lossnay Temperature Setpoint A",
    "why": "Temperature setpoint"
   },
   {
    "ref": "AI 7",
    "name": "Lossnay Room Temperature A",
    "why": "Room temperature"
   },
   {
    "ref": "AI 8",
    "name": "Lossnay Room Co2 Level",
    "why": "Room CO2 / 10 (254 detecting, 255 no sensor)"
   },
   {
    "ref": "AI 15",
    "name": "Lossnay Filter Sign",
    "why": "Filter sign, 1 = active"
   },
   {
    "ref": "AI 14",
    "name": "Lossnay Maintenance Sign",
    "why": "Maintenance sign, 1 = active"
   }
  ],
  "enable": null,
  "heartbeat": null,
  "remote_sensors": null,
  "setup": [
   "DIP switch 7 OFF selects BACnet (MS/TP and BACnet IP); ON selects Modbus RTU.",
   "DIP switches 1-5 set the RS-485 node address 1-30 (all OFF = 1, all ON = set in software); it is the MS/TP station ID.",
   "DIP switch 6 ON fixes RS-485 at 9600 baud, no parity; OFF uses the software baud rate (MS/TP up to 76800).",
   "Default IP address 192.168.92.114; network settings are changed on the adapter's web page.",
   "Device instance, Max Master and Max Info Frames are set through Modbus holding registers 272-275."
  ],
  "gotchas": [
   "AI 8 is CO2 divided by 10 (0-240 = 0-2400 ppm).",
   "Capability flags (AI 19-38) tell which functions and sensors the connected Lossnay has."
  ]
 },
 "points": [
  {
   "type": "BO",
   "instance": 0,
   "name": "Lossnay Drive OFF/ON Setup",
   "description": "",
   "units": "",
   "access": "C",
   "states": "0=Power OFF, 1=Power ON"
  },
  {
   "type": "MO",
   "instance": 1,
   "name": "Lossnay Mode Setup",
   "description": "",
   "units": "",
   "access": "C",
   "states": "1=Heat, 2=Cool, 3=Fan, 4=Auto"
  },
  {
   "type": "MO",
   "instance": 2,
   "name": "Lossnay Vent Mode Setup",
   "description": "",
   "units": "",
   "access": "C",
   "states": "1=Lossnay mode, 2=Bypass mode, 3=Auto mode"
  },
  {
   "type": "MO",
   "instance": 3,
   "name": "Lossnay Fan Speed A Setup",
   "description": "",
   "units": "",
   "access": "C",
   "states": "1=Auto, 2=Speed 1, 3=Speed 2, 4=Speed 3, 5=Speed 4"
  },
  {
   "type": "AV",
   "instance": 4,
   "name": "Lossnay Temperature Setpoint A",
   "description": "",
   "units": "°C/°F",
   "access": "C",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 5,
   "name": "Lossnay Supply Air Temperature A",
   "description": "",
   "units": "°C/°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 6,
   "name": "Lossnay Outdoor Temperature Int",
   "description": "",
   "units": "°C/°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 7,
   "name": "Lossnay Room Temperature A",
   "description": "",
   "units": "°C/°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 8,
   "name": "Lossnay Room Co2 Level",
   "description": "CO2 level divided by 10.",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 9,
   "name": "Lossnay Thermo Onoff",
   "description": "",
   "units": "",
   "access": "R",
   "states": "0=Thermo OFF, 1=Thermo ON"
  },
  {
   "type": "AI",
   "instance": 10,
   "name": "Lossnay Energy Consumption",
   "description": "\"Value in kWh multiplied by 10.",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 11,
   "name": "Lossnay Actual Operation Mode",
   "description": "",
   "units": "",
   "access": "R",
   "states": "1=Not auto mode, 2=Determining, 3=Heating, 4=Cooling"
  },
  {
   "type": "AI",
   "instance": 12,
   "name": "Lossnay Auto Fan Speed Control Availability",
   "description": "",
   "units": "",
   "access": "R",
   "states": "0=Not available, 1=Available"
  },
  {
   "type": "AI",
   "instance": 13,
   "name": "Lossnay Night Purge",
   "description": "",
   "units": "",
   "access": "R",
   "states": "0=Normal operation, 1=In night purge operation"
  },
  {
   "type": "AI",
   "instance": 14,
   "name": "Lossnay Maintenance Sign",
   "description": "",
   "units": "",
   "access": "R",
   "states": "0=Inactive, 1=Active"
  },
  {
   "type": "AI",
   "instance": 15,
   "name": "Lossnay Filter Sign",
   "description": "",
   "units": "",
   "access": "R",
   "states": "0=Inactive, 1=Active"
  },
  {
   "type": "AI",
   "instance": 16,
   "name": "Lossnay Actual Ventilation Mode",
   "description": "",
   "units": "",
   "access": "R",
   "states": "0=Lossnay ventilation, 1=Bypass ventilation"
  },
  {
   "type": "AI",
   "instance": 17,
   "name": "Lossnay Actual Supply Fan Speed",
   "description": "",
   "units": "",
   "access": "R",
   "states": "1=Stop, 2=Speed 1, 3=Speed 2, 4=Speed 3, 5=Speed 4"
  },
  {
   "type": "AI",
   "instance": 18,
   "name": "Lossnay Actual Extract Fan Speed",
   "description": "",
   "units": "",
   "access": "R",
   "states": "1=Stop, 2=Speed 1, 3=Speed 2, 4=Speed 3, 5=Speed 4"
  },
  {
   "type": "AI",
   "instance": 19,
   "name": "Lossnay Setpoint 0.5ºC Increments Availability",
   "description": "",
   "units": "",
   "access": "R",
   "states": "0=Not available, 1=Available"
  },
  {
   "type": "AI",
   "instance": 20,
   "name": "Lossnay Heat/Cool or Cool- Only",
   "description": "",
   "units": "",
   "access": "R",
   "states": "0=Heat and Cool, 1=Cool only"
  },
  {
   "type": "AI",
   "instance": 21,
   "name": "Lossnay Auto Operation Mode Availability",
   "description": "",
   "units": "",
   "access": "R",
   "states": "0=Not available, 1=Available"
  },
  {
   "type": "AI",
   "instance": 22,
   "name": "Lossnay Heat/Cool or Heat- Only",
   "description": "",
   "units": "",
   "access": "R",
   "states": "0=Heat and Cool, 1=Heat only"
  },
  {
   "type": "AI",
   "instance": 23,
   "name": "Lossnay Minimum Cooling Setpoint",
   "description": "",
   "units": "°C/°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 24,
   "name": "Lossnay Maximum Cooling Setpoint",
   "description": "",
   "units": "°C/°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 25,
   "name": "Lossnay Minimum Heating Setpoint",
   "description": "",
   "units": "°C/°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 26,
   "name": "Lossnay Maximum Heating Setpoint",
   "description": "",
   "units": "°C/°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 27,
   "name": "Lossnay Minimum Auto Setpoint",
   "description": "",
   "units": "°C/°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 28,
   "name": "Lossnay Maximum Auto Setpoint",
   "description": "",
   "units": "°C/°F",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 29,
   "name": "Lossnay Energy Consumption Data Available",
   "description": "",
   "units": "",
   "access": "R",
   "states": "0=Not available, 1=Available"
  },
  {
   "type": "AI",
   "instance": 30,
   "name": "Lossnay Number Of Fan Speeds",
   "description": "Values 1 – 4 valid",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 31,
   "name": "Lossnay Bypass Damper Function",
   "description": "7-segment error code digit (code table in guide)",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 32,
   "name": "Lossnay Auto Ventilation Mode Available",
   "description": "",
   "units": "",
   "access": "R",
   "states": "0=Not available, 1=Available"
  },
  {
   "type": "AI",
   "instance": 33,
   "name": "Lossnay Operation Mode off Temperature Control Unit",
   "description": "",
   "units": "",
   "access": "R",
   "states": "0=Not available (not connected), 1=Available (connected)"
  },
  {
   "type": "AI",
   "instance": 34,
   "name": "Lossnay Set Temperature on Temperature Control Unit",
   "description": "",
   "units": "",
   "access": "R",
   "states": "0=No set temperature display, 1=RA (Return Air) temperature, 2=SA (Supply Air) temperature"
  },
  {
   "type": "AI",
   "instance": 35,
   "name": "Lossnay Outdoor Temperature Sensor",
   "description": "",
   "units": "",
   "access": "R",
   "states": "0=Not equipped, 1=Equipped"
  },
  {
   "type": "AI",
   "instance": 36,
   "name": "Lossnay Return Air Temperature Sensor",
   "description": "",
   "units": "",
   "access": "R",
   "states": "0=Not equipped, 1=Equipped"
  },
  {
   "type": "AI",
   "instance": 37,
   "name": "Lossnay Supply Air Temperature Sensor",
   "description": "",
   "units": "",
   "access": "R",
   "states": "0=Not equipped, 1=Equipped"
  },
  {
   "type": "AI",
   "instance": 38,
   "name": "Lossnay CO2 Sensor",
   "description": "",
   "units": "",
   "access": "R",
   "states": "0=Not equipped, 1=Equipped"
  },
  {
   "type": "MO",
   "instance": 39,
   "name": "Temperature Units",
   "description": "",
   "units": "",
   "access": "C",
   "states": "1=ºC, 2=ºF"
  }
 ],
 "page": "https://easybacnet.com/bacnet-points-lists/mitsubishi-electric/melcobems-mini-a1m-plus-lossnay",
 "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"
}