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BUS REG WIRING BEST PRACTICE
REG SYSTEM ARCHITECTURE
TO KNOW BEFORE START...
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Related Technical Info:
- AMBIENT COMPENSATIONEN_UTILIZZO DEL SISTEMA REG PER GESTIRE CENTRALI TERMICHE
- HOW TO USE REG SYSTEM TO MANAGE BOILER ROOMS
PAGE SOURCES
PAGE OPENTHERM
The Opentherm protocol was born with a very specific intention: to interface an "intelligent" thermostat with a boiler. By intelligent thermostat we mean a thermostat which, in addition to communicating the ON/OFF command to the boiler (for which a clean contact is sufficient), also communicates other information (temperature set point, operating times, DHW set point, etc.) and which can in turn receive information from the boiler (typically for diagnostics: water outlet temperature, error codes, etc.). The Opentherm protocol is therefore not strictly speaking a BUS, because it is designed to connect ONLY ONE MASTER DEVICE (role performed by the thermostat) to ONLY ONE SLAVE DEVICE (the boiler).
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In the case of the Reg System, through the REG-OTG and REG-OT4 modules a REG system can "replace" the role of the thermostat, and therefore become "MASTER" and give the boiler the required information. REG-OTG and REG-T4 OT4 modules are NOT customized for each manufacturer, but normally work as they are. What can happen is that some information is not presented if the generator manufacturer has decided not to map it.
Warning: some producers write Opentherm on the documentation, but actually implement "their own version" of Opentherm, with some parameters not compliant with the standard; in this case our modules DO NOT work.
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The RegConfig DHW page is dedicated to the settings required to manage the production of Domestic Hot Water.
- DHW ENABLE
- DHW SET POINT
- EN_CIRCUITO ASSOCIATO ALL'ACS
- EN_GESTIONE ANTILEGIONELLADHW ASSOCIATED CIRCUIT
- ANTI-LEGIONELLA MANAGEMENT
- DHW CIRCULATION MANAGEMENT
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PAGE ELETTRA/SOLAR
The Elettra/Solar Page presents several options, but using the same part of the REG-DIN-8 memory it is possible to use only one of these at a time:- EN_SOLARE TERMICO CON ACCUMULO
- EN_SOLARE TERMICO CON DUE ACCUMULI
- EN_GESTIONE PRODUTTORE ACS ISTANTANEASOLAR THERMAL PANELS WITH ONE TANK
- SOLAR THERMAL PANELS WITH TWO TANKS
- INSTANT DHW PRODUCTION MANAGEMENT
PAGE FREE SIGNALS
Inside the RegConfig there is the Free Signals Page which includes various functions:- EN_MISURE DI TEMPERATURE E SEGNALI LIBERIFREE DRY SIGNAL AND TEMPERATURE MEASURES
- LOGIC/BOOLEAN FUNCTIONS
- MATH FUNCTIONSEN_CONTATORI E MONITORAGGIO ENERGIA
- ENERGY METERS AND MONITORING
PAGE ALARMS
Inside the RegConfig there is a page dedicate to the Alarms: