What cable do I need for OpenTherm?
OpenTherm makes use of a traditional untwisted 2-wire cable between controller and boiler. OpenTherm is not polarity sensitive: wires can be swapped. The maximum wiring length is 50 m up to maximum 2 x 5 ohm resistance.
How do I connect to OpenTherm?
How to connect the OpenTherm Module Follow
- Remove the OpenTherm cables from the existing controller or thermostat.
- Remove the OpenTherm module from the rear of the HubR.
- Set the OpenTherm cables into the OpenTherm module. …
- Replace the OpenTherm module into the HubR.
- Mount the HubR on the backplate.
What voltage is OpenTherm?
OpenTherm protocol requires a simple low voltage two-wire connection to the boiler, but voltage levels (7.. 15V) still much higher than ESP8266 levels, which requires OpenTherm Adapter.
What is OpenTherm smart power?
OpenTherm is a non-manufacturer-dependent system of communication between modulating HVAC appliances and room thermostats.
What is OpenTherm control?
OpenTherm is a communication protocol between heating controls and the boiler to modulate the temperature flow through a heating system. This can increase the energy efficiency of a heating system whilst maintaining the desired set point temperature in the home.
Is OpenTherm any good?
Yes, hand on heart, the right OpenTherm enabled control used with the right Opentherm enabled boiler is 100% worth it. The intelligence that can be utilised by controls reading the boilers data, is far more advanced than a control system with no feedback of the boiler or its surroundings.
Is OpenTherm a load compensation?
Third party Opentherm controls
Out of seven third party controls, five are internet controls and two are standard programmable room thermostats. As they all carry load compensation controls (Opentherm) they are all compliant under Boiler Plus.
