What is Opentherm, whats makes a smart thermostat smart? What is TPI? This video explains all.
Автор: Hydroheat
Загружено: 2020-02-18
Просмотров: 29111
In this video we're going to be going into more detail about Smart thermostats and what Opentherm is. In order to buy the right Smart Thermostat you need to understand what Opentherm is.
Before we understand what Opentherm is and what language smart thermostats speak, we need to understand how non smart thermostats, with no Opentherm, works. Non smart thermostats would simply react to either being too hot or too cold. When a non smart thermostats asks for heat the boiler would kick in and heat the radiators until the room temperature is raised to what is set on the non smart thermostat.
Once the temperature is achieved the non smart thermostat would tell the boiler to shut down, the problem with this is the radiators are still hot which causes the room to overheat. This is called an overshoot. Once the radiators have cooled down the room temperature can begin to drop, unfortunately, the non smart thermostat doesn't ask the boiler to kick back in again until the room temperature is below what we want to be at. This causes the room to be mainly either too hot or not hot enough, which is wasteful and inefficient.
An Opentherm Smart Thermostat will analyse the room and make use of lots of data it has collected over a period of time. When the room temperature is raised via the Smart Thermostat, the Opentherm smart thermostat will look at the current temperature and compare it against how much the temperature needs to increase by. With this information it will determine how much heat the room requires to increase the temperature in a quick enough time frame. As the temperature increases the Opentherm smart thermostat will decrease the temperature of the radiators until it eventually matches the heat loss of the room. This means the Opentherm Smart thermostat will be able to trickle the heat into the room as the same rate.
Opentherm is a language which isn't spoken by some boilers, so it's important, before you go and buy an Opentherm Smart Thermostat, that you have confirmed that your boiler speaks the Opentherm language. If you have a Vaillant boiler which is less than 5 years old or a Worcester which is less than 5 years old then these boilers do not speak the Opentherm language.
Here is a list of boilers that do speak Opentherm - Baxi 600 + 800 range, Ideal Logic, Viessmann 100 + 050, Ferroli iBoiler.
I'm sure the list of boilers which speak the Opentherm language will increase with time, just be sure to find out yourself before purchasing an Opentherm Smart Thermostat.
TPI is a thought process which most Opentherm smart thermostats have which can be used to the boiler you have plugged the Opentherm smart thermostat into a non Operntherm compatible boiler. Rather than wait for the temperature to get to the temperature we've asked for the Opentherm Smart Thermostat will turn the heating off before it gets there, knowing that the overshoot will occur and get us to the right temperature. It will then kick the heating back in again before the temperature drops to prevent the temperature from falling below what we've asked for.
That's really all you need to know about Opentherm Smart thermostats. There are lots of Opentherm Smart thermostats available on the market just be sure to double check that the one you are buying speaks the correct language for your boiler.
Thanks you for watching this video, my names Jamie and I'm from Hydroheat, if you wish to find out more about our company please visit http://www.hydroheatplumbing.com/
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