The OrconWifiController is used to control an Orcon "Mechanische Ventilatie" unit. I made this because the Orcon units do not have any Domotica and/or Wi-Fi integration. With the OrconWifiController …Read More…
The OrconWifiController is used to control an Orcon "Mechanische Ventilatie" unit. I made this because the Orcon units do not have any Domotica and/or Wi-Fi integration. With the OrconWifiController you can integrate it into Home Assistant or your favorite home automation software. The Homey platform (tested with Homey Pro 2023) is also supported. It will provide the following functions:
Please read all information on: https://github.com/hubertjanhickinson/OrconWifiController/
The OrconWifiController is compatible with all Orcon MVS-15 units, as long as they are based on the EBM-Papst R3G190-RC05-20 fan.
The above functionality is accomplished by installing the OWC in between the fan and factory controller. The OWC is controlled by an ESP (Wemos D1 Mini (Pro)) and runs ESPHome firmware. A 220V cable is supplied. All the 220V connectors have the same pinout, so they can be connected in any way possible. It is also possible to run the OWC standalone, without the factory PCB.
It is also possible to run Tasmota firmware, but the current speed of the fan will not be working. It is still possible to control the speed of the fan, and to turn the relay on and off. But the current speed (huidige toerental) does not work
A relay controls if the factory PCB controls the fan, or that the Wemos controls the fan. The default state of the relay is that the factory remote is in control. If you want to control the speed of the fan through Home Assistant/Wemos then the relay must be activated.
On the PCB, the following pins are connected: Top-left = 1 Bottom-left = 8 Top right = 9 Bottom-right = 16
Version 1.3 and 1.4 Pin 5 = PWM output to fan Pin 7 = Relay Pin 4 = Current fanspeed rpm Pin 6 = Input from factory PCB (PWM) Pin 11 = SCL for temperature/humidity Pin 12 = SDA for temperature/humidity
The rest of the pins are designed for a Wemos D1 Mini (Pro).
After soldering, I will flash every Wemos with the correct firmware. Ofcourse, you are free to modify the firmware to your needs. But to make sure everything works and have a quick start, the OrconWifiController comes shipped with firmware flashed.
Refer to the Github page for more information about integrating it into Home Assistant.
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Alex | Jan. 4, 2023
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