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Daikin-Control

Web Gui Preview

The '''Daikin Emura FTXG-L''' air conditioner comes with a wifi module preinstalled that allows you to control it via internet. Other Daikin airconditioners can be upgraded with a wifi module WDA00001. The solution provided by Daikin is a mobile app (very well designed) that allows you to control the air conditioner(s) even remotely, exploiting the REST API of the wifi module.

Even though this system works well, there are some problems:

  • It is not possible to control the AC from a web browser. You must use the official mobile application. If your device is not supported or you are working from a computer you cannot control your air conditioner via your PC.
  • To control your AC remotely from outside your lan, your requests must go through the Daikin server. The device response is slow because the system is based on polling request. (you can't set the ip of the AC on the mobile application)
  • When you have multiple units that you want to control the official app is very slow.

To configure your unit in the web UI:
Open the file: config.js
Adapt the units params for the IP address(es), names and icons of your unit(s). Here is an example for two units:
const config = {
    refreshInterval: 2000,
    units: [
        {ip: "192.168.1.10", name: "Living room", icon: "fa-couch"},
        {ip: "192.168.1.11", name: "Bed room", icon: "fa-bed"},
        {ip: "unit3IP", name: "unit3Name", icon: "fa-3"}
    ]
};

When you have a single unit, only configure the IP address of the first unit. Leave the IP addresses of the other 2 units to the default ("unit2IP" and "unit3IP") since this will prevent the selection buttons on the top of the screen to appear.

Web Gui Preview

If you also want the web UI to be used as an app on your iPhone, do the following:
Make sure that the file apple-touch-icon.png is pressent in the media directory. (i.e.in web/daikin-control-UI-updated/media/apple-touch-icon.png)
Open the webUI from Safari on your iPhone
From the menu options select "add to home screen"
An icon should appear with the Daikin logo contained in apple-touch-icon.png on your home screen
Now you can open the web UI as an app from your iPhone

This project aims to provide 2 main things:

  • unoffcial documentation of Daikin API needed to control the air conditioner
  • web interface to manage air conditioner settings

Timer feature

Each unit can have one ON timer and one OFF timer, set up to 24 hours ahead, independently of each other. The active timers are visible next to the ON/OFF button without opening the dialog.

Disabling the feature

Set enableTimer: false in config.js:

const config = {
    refreshInterval: 2000,
    enableTimer: false,
    units: [ ... ]
};

This kill-switch is read by all three sides:

  • the UI hides the timer button and stops polling /timer.php,
  • the /timer.php endpoint returns 503 for every request,
  • the timer_worker.php cron exits immediately without firing anything.

Existing entries in data/timers.json are left untouched and resume firing when the flag is flipped back on. Default if the flag is missing is true (feature on).

Deployment requirements

State lives in data/timers.json, BUT firing requires a background worker! For example a cron entry that runs the worker every minute:

* * * * * php /var/www/html/timer_worker.php >> /var/log/timer.log 2>&1

On the standard php:*-apache image the easiest way is to install cron, drop the line above into /etc/cron.d/daikin-timer, and start cron alongside Apache (via supervisord or a simple entrypoint script).

When the cron worker isn't installed the web UI will still let you set timers, but they'll never fire — only the worker calls the AC!

Tested Hardware

The API described by this document have been tested and seems to be working with firmware version from 1.4.3 to 3.3.1.

The following hardware configurations have been used for testing:

ModelName:          Daikin Perfera FTXM20M
ModelID:                FTXM20M2JV1B
WifiControllerID:    BRP069B41 3P472899-1
Software version:   2.5.1
ModelName:          Daikin Emura FTXG-L
ModelID:                FTXG35LV1BW
WifiControllerID:    BRP069A41 4P358711-2C
Software version:   1.4.3
ModelName:          Daikin Emura FVXS-F
ModelID:            FVXS35FV1B
WifiControllerID:   BRP069A42
Software version:   2.6.0

If you try new hardware configurations or new firmware versions, please contact me.

API System

Daikin original API use REST.

You can use GET http request to retrive informations and POST http request to apply new settings.

Uri GET POST desc
/common/basic_info X Provides Daikin account information (security issue!), software version, mac address and generic info
/common/get_remote_method X Provides information about polling system
/common/set_remote_method X Set information on the polling system (reduce remote time update ??)
/aircon/get_model_info X Provides model informarion
/aircon/get_control_info X Main Uri to request all current status parameters
/aircon/set_control_info X X Main Uri to set status parameters (control almost all)
/aircon/get_sensor_info X Provides information on sensors (temperatures, humidity, power consumption)
/aircon/get_timer X ?
/aircon/set_timer X ?
/aircon/get_price X ?
/aircon/set_price X ?
/aircon/get_target X ?
/aircon/set_target X ?
/aircon/get_week_power X Provides weekly and today runtime information (in mn)
/aircon/get_year_power X Provides yearly runtime information
/aircon/get_week_power_ex X Weekly energy consumption split by mode (heat/cool). Values in 0.1 kWh units. Newer firmware only (BRP069B4x+).
/aircon/get_year_power_ex X Yearly energy consumption split by mode (heat/cool). Values in 0.1 kWh units. Newer firmware only (BRP069B4x+).
/aircon/get_day_power_ex X Hourly energy consumption per mode for today and yesterday. Newer firmware only.
/aircon/get_month_power_ex X Daily energy consumption per mode for current and previous month. Newer firmware only.
/aircon/get_program X ?
/aircon/set_program X ?
/aircon/get_scdltimer X Provides information about on/off weekly timer
/aircon/set_scdltimer X Set information about on/off weekly timer
/common/get_notify X ?
/common/set_notify X ?
/common/set_regioncode X ?
/common/set_led X ?
/common/reboot X reboot the AP

Per-mode energy endpoints (_ex family)

The _ex variants expose per-mode (heat vs. cool) energy data that the official Daikin mobile app shows but the standard endpoints don't. They're present on BRP069B4x and newer WiFi modules and 404 on older BRP069A4x hardware — so any client should probe _ex first and fall back to the runtime-only endpoints.

All values in _ex responses are in 0.1 kWh units.

/aircon/get_week_power_ex

Fourteen daily values per mode, covering today plus the 13 previous days. Position 0 is today, position 13 is 13 days ago — so positions [0..6] are this week (today + 6 days back) and positions [7..13] are last week (same weekdays, one week earlier). This is what the official Daikin app uses for its "today vs. yesterday" and "this week vs. last week" comparisons.

ret=OK,s_dayw=4,week_heat=12/8/10/0/0/15/22/14/9/11/0/0/18/24,week_cool=22/18/24/30/15/8/12/19/15/20/28/12/6/10
field meaning
s_dayw Today's weekday index (0 = Sunday, 1 = Monday, …). Useful for labeling but not required, since position 0 is always today.
week_heat Heat-mode consumption per day (14 values, 0.1 kWh each). Position 0 = today, position 7 = same weekday last week.
week_cool Cool-mode consumption per day (14 values, 0.1 kWh each). Same layout as week_heat.

/aircon/get_year_power_ex

Twelve monthly values per mode for the current and previous year.

ret=OK,curr_year_heat=0/0/0/0/0/0/0/0/0/0/0/0,prev_year_heat=0/0/0/0/0/0/0/0/0/0/0/0,curr_year_cool=0/0/0/0/0/0/0/0/0/0/0/0,prev_year_cool=0/0/0/0/0/0/0/0/0/0/0/0
field meaning
curr_year_heat Heat-mode consumption Jan–Dec for the current year (0.1 kWh).
prev_year_heat Heat-mode consumption Jan–Dec for the previous year (0.1 kWh).
curr_year_cool Cool-mode consumption Jan–Dec for the current year (0.1 kWh).
prev_year_cool Cool-mode consumption Jan–Dec for the previous year (0.1 kWh).

/aircon/get_day_power_ex and /aircon/get_month_power_ex

Same shape with curr_* / prev_* × heat/cool fields, but with 24 hourly values (day endpoint, for today and yesterday) or daily values (month endpoint, for current and previous month).

Parameters

/aircon/set_control_info

Power

param name : pow

description: represents the power state of the device

value desc
0 OFF
1 ON

Mode

param name : mode

description: represents the operating mode

value desc
2 DEHUMDIFICATOR
3 COLD
4 HOT
6 FAN
0-1-7 AUTO

Temp

param name : stemp

description: represents the target temperature

general accepted range 10-41

mode accepted range
AUTO 18-31
HOT 10-31
COLD 18-33

device memorize last target temp state for each mode under dft* (dft1,dft2...) parameters. You can't set directly these.

Fan rate

param name : f_rate

description: represents the fan rate mode

Daikin Emura FVXS does not support silence (=B) value for fan rate mode functionality.

value desc
A auto
B silence
3 lvl_1
4 lvl_2
5 lvl_3
6 lvl_4
7 lvl_5

device memorize last fan rate state for each mode under dfr* (dfr1,dfr2...) parameters. You can't set directly these.

Fan direction

param name : f_dir

description: represents the fan direction

value desc
0 all wings stopped
1 vertical wings motion
2 horizontal wings motion
3 vertical and horizontal wings motion

device memorize last fan rate state for each mode under dfd* (dfd1,dfd2...) parameters. You can't set directly these.

Humidity

param name : shum

description: represents the target humidity

Daikin Emura FTXG-L and FVXS does not support humidity related functionality.

device memorize last humidity state for each mode under dh* (dh1,dh2...) parameters. You can't set directly these.


Minimal parameters set

The /aircon/set_control_info has some mandatory parameters, it means that you need to include them in all the requests to this endpoint even if you are not interested in changing those specific values.

These are the mandatory parameters:

  • pow
  • mode
  • stemp
  • shum
  • f_rate
  • f_dir

While these are the ones that can be omitted:

  • adv
  • dt*
  • dh*
  • dfr*
  • dfd*
  • b_mode
  • b_stemp
  • b_shum
  • b_f_rate
  • b_f_dir
  • alert

minimal request example: pow=1&mode=1&stemp=26&shum=0&f_rate=B&f_dir=3

/common/set_led

Led

It seems that this settings doesn't actually change led.

param name: led

value desc
  • | set to '0' (same as '0' value) 0 | ? 1 | ?

Unsupported settings

This list show which hardware functionality are not supported by API

  • led brightness switch

Libraries

Useful resource

Control Info Examples

Switched Off

ret=OK,pow=0,mode=7,adv=,stemp=24.0,shum=0,dt1=24.0,dt2=M,dt3=25.0,dt4=25.0,dt5=25.0,dt7=24.0,dh1=0,dh2=50,dh3=0,dh4=0,dh5=0,dh7=0,dhh=50,b_mode=7,b_stemp=24.0,b_shum=0,alert=255,f_rate=4,f_dir=0,b_f_rate=4,b_f_dir=0,dfr1=4,dfr2=5,dfr3=7,dfr4=5,dfr5=5,dfr6=5,dfr7=4,dfrh=5,dfd1=0,dfd2=0,dfd3=3,dfd4=0,dfd5=0,dfd6=0,dfd7=0,dfdh=0

Auto 25C ( CONFORT AIR ) ( INTELLIGENT EYE )

ret=OK,pow=1,mode=7,adv=,stemp=25.0,shum=0,dt1=25.0,dt2=M,dt3=22.0,dt4=25.0,dt5=25.0,dt7=25.0,dh1=0,dh2=50,dh3=0,dh4=0,dh5=0,dh7=0,dhh=50,b_mode=7,b_stemp=25.0,b_shum=0,alert=255,f_rate=A,f_dir=0,b_f_rate=4,b_f_dir=0,dfr1=4,dfr2=5,dfr3=4,dfr4=5,dfr5=5,dfr6=5,dfr7=4,dfrh=5,dfd1=0,dfd2=0,dfd3=0,dfd4=0,dfd5=0,dfd6=0,dfd7=0,dfdh=0
ret=OK,pow=1&dh2=50&dfd4=0&b_stemp=25.0&alert=255&f_dir=0&b_shum=0&dh4=0&dfd3=0&dh3=0&dfd2=0&dfr2=5&dfr7=B&dfr4=5&dfd7=0&dfrh=5&dt3=25.0&dfdh=0&adv=&dh5=0&dh1=0&dfr6=5&dt5=25.0&dfr1=B&stemp=25.0&shum=0&dfd6=0&f_rate=A&b_f_dir=0&dt1=25.0&dhh=50&dfd1=0&dfr3=5&dh7=0&mode=1&dfd5=0&b_mode=7&dt4=25.0&b_f_rate=A&dt7=25.0&dt2=M&dfr5=5

Hot 25c ( AIR silence )

ret=OK,pow=1,mode=4,adv=,stemp=25.0,shum=0,dt1=25.0,dt2=M,dt3=22.0,dt4=25.0,dt5=25.0,dt7=25.0,dh1=0,dh2=50,dh3=0,dh4=0,dh5=0,dh7=0,dhh=50,b_mode=4,b_stemp=25.0,b_shum=0,alert=255,f_rate=B,f_dir=0,b_f_rate=B,b_f_dir=0,dfr1=B,dfr2=B,dfr3=B,dfr4=B,dfr5=B,dfr6=B,dfr7=B,dfrh=5,dfd1=0,dfd2=0,dfd3=0,dfd4=0,dfd5=0,dfd6=0,dfd7=0,dfdh=0

Honorable Mentions

  • Boudewijn van de Moesdijk
  • Erik Hjortberg
  • ael-code

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Unofficial api documentation and web interface to control "Daikin Emura" air conditioner

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