EMS-ESP32/doc/MQTT.md

MQTT commands

All commands must be written as {"cmd":<cmd> ,"data":<data>, "id":<n>}.

The id can be replaced with hc for some devices that use heating circuits, and represented either as a string or a number. cmd is a string, data can be a string or number.

topic = boiler_cmd

  comfort <hot, eco, intelligent>
  flowtemp <degrees>
  wwtemp <degrees>
  boilhyston <degrees> (negative value)
  boilhystoff <degrees> (positive value)
  burnperiod <minutes>
  burnminpower <%>
  burnmaxpower <%>
  pumpdelay <minutes>

topic = thermostat_cmd

--- without hc ---
  wwmode <off | on | auto>
  calinttemp <degrees>
  minexttemp <degrees>
  building <light | medium | heavy>
  language <n> (0=de, 1=nl, 2=fr, 3=it) only RC30
  display <n>  (0=int temp, 1= int set, 2=ext. temp, 3=burner, 4=ww, 5=mode, 6=time, 7=date, 8=smoke) only RC30
  clockoffset <seconds>  (only RC30)

--- with hc ---
  mode <auto | night | day | nofrost | heat | eco>
  temp <degrees>
  nighttemp <degrees>
  daytemp <degrees>
  nofrosttemp <degrees>
  ecotemp <degrees>
  heattemp <degrees>
  summertemp <degrees>
  designtemp <degrees>
  offsettemp <degrees>
  holidaytemp <degrees>
  remotetemp <degrees>
  control <0 | 1 | 2>
  pause <hours>
  party <hours>
  holiday <dd.mm.yyyy-dd.mm.yyyy>
  date <NTP | hh:mm:ss-dd.mm.yyyy-dw-dst>

topic = system_cmd

  send <"0B XX XX ..">
  pin <gpio> <on|off|1|0|true|false>