Monitoring of Grant Aerona ASHP using ESPHome and Serial Port to RS485 UART Converter

ashp.yaml

esphome:
  name: ashp

esp32:
  board: nodemcu-32s

wifi: !include wifi.yaml
api:

logger:

ota:

uart:
  - rx_pin: GPIO23
    tx_pin: GPIO22
    baud_rate: 19200
    stop_bits: 2
    data_bits: 8
    id: hp_uart
    parity: NONE

modbus:
  - id: hp_modbus
    uart_id: hp_uart

modbus_controller:
  - id: hp_controller
    address: 0x1
    modbus_id: hp_modbus
    setup_priority: -10
    update_interval: 30s

sensor:
  - platform: modbus_controller
    name: "Heat Pump Return Water Temperature"
    register_type: read
    address: 0
    value_type: U_WORD
    modbus_controller_id: hp_controller
    unit_of_measurement: °C
    filters:
      multiply: 1.000000
  - platform: modbus_controller
    name: "Heat Pump Compressor Operating Frequency"
    register_type: read
    address: 1
    value_type: U_WORD
    modbus_controller_id: hp_controller
    unit_of_measurement: Hz
    filters:
      multiply: 1.000000
  - platform: modbus_controller
    name: "Heat Pump Discharge Temperature"
    register_type: read
    address: 2
    value_type: U_WORD
    modbus_controller_id: hp_controller
    unit_of_measurement: °C
    filters:
      multiply: 1.000000
  - platform: modbus_controller
    name: "Heat Pump Current Consumption Value"
    register_type: read
    address: 3
    value_type: U_WORD
    modbus_controller_id: hp_controller
    unit_of_measurement: W
    filters:
      multiply: 100.000000
  - platform: modbus_controller
    name: "Heat Pump Fan Control RPM"
    register_type: read
    address: 4
    value_type: U_WORD
    modbus_controller_id: hp_controller
    unit_of_measurement: rpm
    filters:
      multiply: 10.000000
  - platform: modbus_controller
    name: "Heat Pump Defrost Temperature"
    register_type: read
    address: 5
    value_type: U_WORD
    modbus_controller_id: hp_controller
    unit_of_measurement: °C
    filters:
      multiply: 1.000000
  - platform: modbus_controller
    name: "Heat Pump Outdoor Air Temperature"
    register_type: read
    address: 6
    value_type: U_WORD
    modbus_controller_id: hp_controller
    unit_of_measurement: °C
    filters:
      multiply: 1.000000
  - platform: modbus_controller
    name: "Heat Pump Water Pump Control RPM"
    register_type: read
    address: 7
    value_type: U_WORD
    modbus_controller_id: hp_controller
    unit_of_measurement: rpm
    filters:
      multiply: 100.000000
  - platform: modbus_controller
    name: "Heat Pump Suction Temperature"
    register_type: read
    address: 8
    value_type: U_WORD
    modbus_controller_id: hp_controller
    unit_of_measurement: °C
    filters:
      multiply: 1.000000
  - platform: modbus_controller
    name: "Heat Pump Outgoing Water Temperature"
    register_type: read
    address: 9
    value_type: U_WORD
    modbus_controller_id: hp_controller
    unit_of_measurement: °C
    filters:
      multiply: 1.000000
  - platform: modbus_controller
    name: "Heat Pump Plate Heat Exchanger Temperature"
    register_type: read
    address: 32
    value_type: U_WORD
    modbus_controller_id: hp_controller
    unit_of_measurement: °C
    filters:
      multiply: 1.000000
  - platform: modbus_controller
    name: "Heat Pump Indoor Master Temperature Actual"
    register_type: read
    address: 33
    value_type: U_WORD
    modbus_controller_id: hp_controller
    unit_of_measurement: °C
    filters:
      multiply: 0.100000