Opentherm: Difference between revisions

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=Links and documentation=
=Links and documentation=
 
*[https://www.opentherm.eu/ Opentherm homepage]
*[https://www.nodo-shop.nl/en/our-products/211-opentherm-gateway.html Opentherm gateway]
*[https://theevohomeshop.co.uk/what-is-opentherm-and-why-use-honeywell-evohome-with-it/ What is Opentherm?]
*[https://theevohomeshop.co.uk/what-is-opentherm-and-why-use-honeywell-evohome-with-it/ What is Opentherm?]
*[[File:Opentherm Protocol v2-2.pdf|thumb|Opentherm Protocol]]
*[[File:Opentherm Protocol v2-2.pdf|thumb|Opentherm Protocol]]
==Opentherm gateway==
*[https://www.nodo-shop.nl/en/our-products/211-opentherm-gateway.html Opentherm gateway]
*[https://otgw.tclcode.com/matrix.cgi Equipment information]
=Considerations=
==Tuning modulation level==
Maybe https://hackaday.io/project/170821-opentherm-interface


=Nomenclature and abbreviations=
=Nomenclature and abbreviations=
Line 49: Line 56:
==FHB==
==FHB==
Fault History Buffer
Fault History Buffer
=FAQ=
==Polarity of the wires==
None, really.
[[Category:Domotics]]

Latest revision as of 17:31, 5 May 2024

Links and documentation

Opentherm gateway


Considerations

Tuning modulation level

Maybe https://hackaday.io/project/170821-opentherm-interface

Nomenclature and abbreviations

OT/+

OpenTherm/plus

OT/-

OpenTherm/Lite

OSI/RM

The OSI 7-layer protocol reference model.

PWM

Pulse-width modulation

Room Unit

The device which calculates the “demand” in the system, which is communicated to the

Boiler Unit.

The use of the term room is not intended to be literally restrictive but is used for convenience.

Boiler Unit

The device which receives the “demand” from the room unit and typically is responsible for providing energy to satisfy that demand. The use of the term boiler is not intended to be literally restrictive but is used for convenience.

AL

Application Layer

DLL

Data-Link Layer

HVAC

Heating, Ventilation, Air Conditioning

PL

Physical Layer

Setback temperature

The temperature to maintan while you're away

TSP

Transparent Slave Parameter

RBP

Remote Boiler Parameter

CH

Central Heating

DHW

Domestic Hot Water

OEM

Original Equipment Manufacturer

OTC

Outside Temperature Compensation

FHB

Fault History Buffer


FAQ

Polarity of the wires

None, really.