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Yurii edited this page Nov 12, 2024 · 60 revisions

Boilers

Baxi

Boiler Master Member ID Required settings Notes
Baxi ECO Nova default Coeff. DHW flow rate correction = 0.1 Pressure sensor not supported
BAXI LUNA Duo-tec E 24 default - Heating does not switch off with
parameter P67=02 in the boiler service menu
Baxi AMPERA 4 Modulation sync with heating = on Pressure sensor not supported, only heating
DHW not tested
Baxi NUVOLA Duo-tec HT 16 default default -
Baxi LUNA-3 default default -
Baxi Duo-tec Compact 24 default default -
Baxi ECO Four 24 F default default -
Baxi LUNA-3 COMFORT default DHW present = on
Duplicate DHW to CH2 = on
-
Baxi ECO Life 1.24 F default default -
Baxi ECO-4s 1 2 default default DHW flow rate not supported
Set max modulation level not supported
Baxi Eco 5 Compact default default Pressure sensor not supported

Ferroli

Boiler Master Member ID Required settings Notes
Ferroli DOMIcompact C 24
Board: MF08FA
211 default Pressure sensor not supported
Ferroli Kalis 24C default default -
Ferroli Atlas D Unit 30 default default -
Ferroli Divatech D C24 default Summer/winter mode = on Modulation level not supported
Ferroli Bluehelix Hitech RRT 28C default default -

Ideal

Boiler Master Member ID Required settings Notes
Ideal Logic C30 default default Set max modulation level not supported
Exhaust temp & pressure sensor not supported
Ideal Vogue Max 32 default default -
Ideal Logic Heat2 H18 default default Only the following parameters are supported:
- Flame
- Fault and diagnostic along with codes
- Modulation
- Flow and return temperature

The boiler's physical temperature control must be set to at
least the maximum expected to be set by OpenTherm,
acting as a hard limit on the OpenTherm requests

Immergas

Boiler Master Member ID Required settings Notes
Immergas Nike Mythos 24 default Fix for Immergas boilers = on ?
Immergas Victrix Zeus 25 default Fix for Immergas boilers = on DHW flow rate sensor not supported

Other

Boiler Master Member ID Required settings Notes
Remeha Calenta Ace 40C default default -
AEG GBA124 default default Pressure sensor not supported
Termet Ecocondens Silver 35kW default default Pressure sensor not supported
ITALTHERM TIME MAX 30F default Summer/winter mode = on Pressure sensor not supported
Viessmann Vitodens 0-50w default default -
Radiant R2KA default Modulation sync with heating = off Pressure sensor not supported
DHW flow rate sensor not supported
Intergas Kombi Kompakt default default -
Baltur Tesis 24 default default -
Navien NCB700 default default -
Nova Florida Delfis CTFS 24 default default -
Buderus U072 default default -
Bosch wbn 6000-24 default default -
Mizudo M24TH default default -
Rinnai M060SN default Get min/max temp from boiler = off -
De Dietrich PMC-M 24/28MI PLUS 11 Summer/winter mode = on
Heating CH2 always enabled = off
Pressure sensor not supported
DHW flow rate sensor not supported
Exhaust temp sensor not supported
Termet Gold Plus 2 default default DHW switch off does not work
De Dietrich MS 24 FF default default Fault code not supported
Diagnostic status is always on
Vaillant hrSOLIDE VHR NL 18-22C default default Pressure sensor not supported

Boards

Board Chip Flash Recommended GPIOs Where buy
Wemos D1 mini ESP-8266EX 4MB Status LED: 13
OT In: 4
OT Out: 5
OT RX LED: 15
Outdoor sensor: 12
Indoor sensor: 14
Aliexpress
Wemos D1 mini pro ESP-8266EX 16MB Status LED: 13
OT In: 4
OT Out: 5
OT RX LED: 15
Outdoor sensor: 12
Indoor sensor: 14
Aliexpress
Wemos D1 mini lite ESP-8285 1MB Status LED: 13
OT In: 4
OT Out: 5
OT RX LED: 15
Outdoor sensor: 12
Indoor sensor: 14
Aliexpress
NodeMCU V3 ESP-8266 4MB Status LED: 2
OT In: 13
OT Out: 15
OT RX LED: 16
Outdoor sensor: 12
Indoor sensor: 4
Aliexpress
Wemos S2 mini ESP32-S2FN4R2 4MB Status LED: 11
OT In: 33
OT Out: 35
OT RX LED: 12
Outdoor sensor: 9
Indoor sensor: 7
Aliexpress
Wemos S3 mini ESP32-S3FH4R2 4MB Status LED: 11
OT In: 35
OT Out: 36
OT RX LED: 10
Outdoor sensor: 13
Indoor sensor: 12
Aliexpress
Wemos C3 mini ESP32-C3FH4 4MB Status LED: 4
OT In: 8
OT Out: 10
OT RX LED: 5
Outdoor sensor: 0
Indoor sensor: 1
Aliexpress
Wemos D1 mini 32 ESP32-? 4MB Status LED: 2
OT In: 21
OT Out: 22
OT RX LED: 19
Outdoor sensor: 12
Indoor sensor: 18
Aliexpress
NodeMCU 32S ESP32-? 4MB Status LED: 2
OT In: 16
OT Out: 4
OT RX LED: 19
Outdoor sensor: 15
Indoor sensor: 26
Aliexpress

Temperature sensors

Sensor Tested Where buy
DS18B20 Yes Aliexpress
DS1822 No ?
DS1820 No ?
MAX31820 No ?
MAX31850 No ?

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