Opentherm
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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 ==PL== Physical Layer ==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
