Devolo home control review part 4 – smart home Heating
welcome to the fourth part in our Devolo home control system.
In this instalment we are going to review the heating control components, a TRV replacement actuator and a wall mounted thermostat.
This area of application ought to be one of the simpler ones to justify in a smart home. It can increase your comfort levels with a tailored heating profile which in turn ought to save you money on fuel costs. These savings will be even much more significant if you have minimal heating controls to start with. An added reward will be the reduction in CO2.
Aquecimento
A wet heating system will typically use a central energy source such as a gas, oil or biomass boiler to heat water which is pumped around a series of emitters such as radiators. There are two essential elements of control that we will look at in the next section, how to control energy generation and its distribution.
Geração de energia
Energy is generated by firing the boiler. This is typically achieved by a time switch and / or central thermostat. This will consecutively bring in a pump and / or open values that will push water around the system. Our test property is fitted with a 4 zone time clock which switches 3 valves, 2 for a living and bedroom zone each with its own thermostat and domestic hot water with a cylinder thermostat. The 4th zone controls a Rayburn range for cooking.
The Devolo Thermostat (Art No: 9507) RRP £79.99, is developed to replace a regular wall thermostat. The principle is exactly the same as a conventional one, it tells the boiler when to come on or when to relocation a control valve on a zone or to control a set of radiators. The home control app then replaces the time switch element.
The Thermostat is branded as Devolo but will be familiar to some readers as the Z-Wave Danfoss temperature Sensor. Devolo like others have taken a tried and evaluated design and incorporated it into their range.
Adding the device was easy and a well illustrated process. once on the network the device was placed in the study and it was reporting temperature. similar to other Devolo devices you have access to the past 3 days history through a graph.
In our opinion there is a missing link in the Devolo range of heating components and that is the link to the boiler. Something needs to tell the boiler to come on or go off. There are Z-Wave devices and relays available on the market that will do this essential step in the process. This is a fundamental gap, without this you will have to rely on the existing heating controls and then only apply your smart home guidelines within that operational criteria.
Energy Emission
The energy is then emitted when the radiator releases heat to the surroundings. typically this was a fixed flow through radiators or zones. The introduction of Thermostatic Radiator Valves changed this approach. A TRV is a easy device that responds to its local temperature and actuates a plunger in the valve body, this is similar to you manually screwing a normal valve open or closed.
The Devolo Radiator Thermostat (Art No: 9502) RRP £59.99, is developed to replace an existing TRV actuator. It comes with a set of adapter rings to fit the common valve types. rather than depending on the expansion of a material in the TRV it uses a small motor to depress the valve pin. This pin pushes a valve inside the body to decrease or increase the flow of hot water. If the room is up to temperature the valve closes to stop the flow of hot water. If the room is not at its target temperature the valve will open to allow hot water to flow.
Again this is not a Devolo piece of equipment, it is based on the Danfoss Living connect LC-13. This design has been around for some time and there is no shortage of information about its performance.
Joining it to the home connect hub was the easy experience we’ve now come to expect from Devolo. The two AA batteries required for power are included and fitting it to the radiator was easy, our test house valves were all fitted within the last 6 years and were the standard thread size so fitted without any adopters. The device clamps itself in position by identifying the travel distance of the pin. initially it feels loose but once clamped in position it is very solid.
The device has three buttons on top and a small LCD screen. temperature Up, Down and the setup button. Without any app it is still possible for the user to change the temperature of the radiator. The set point will show on the backlit LCD screen.
We set up a schedule to keep the heat off in the mornings and only to heat the room in the evenings between 4:30 and 21:00.
The Valve does not report temperature back to the home control hub, only the target temperature. This always struck us as unusual as the device should be able to measure temperature to adjust the valve opening position to achieve the target temperature. For actual room temperature you will have to rely on another sensor.
Uma coisa que descobrimos é a duração da bateria. Nas 6 semanas, porque o ajuste das baterias caiu em 82%. Nessa taxa de uso, eles durarão apenas 8 meses.
O calor está ligado
A Devolo lançou algumas partes de um sistema de aquecimento inteligente. Estes são baseados em componentes comprovados e avaliados fabricados pela Danfoss. Eles se sentam de maneira confiável na rede de controle doméstico, mas, em nossa opinião, são apenas parte de uma solução.
O Devolo tem uma forte concorrência nesse campo quando comparado ao gênio do calor que toma componentes semelhantes, mas desenvolveu um aplicativo inteligente sofisticado para fazer o máximo de uso dos módulos, por exemplo, compensação climática e horários de aprendizado inteligentes. O sistema deles usa as mesmas partes, mas fornece o controle da água quente e do controle da caldeira.
Nós nos sentimos que o Devolo deve desenvolver uma série de pacotes completos, ou seja, controle total de aquecimento e gerenciamento de energia. Esses serviços técnicos de profundo valor agregado devem garantir que não são outra marca dos mesmos componentes na prateleira.
Resumo
Os componentes se juntam à rede com facilidade e trabalho de maneira confiável. O sistema de aplicativos e software ficará muito ocupado se você tiver dispositivos em todas as salas. A ausência de um interruptor da caldeira limita a capacidade de criar uma solução 100% devolo. As baterias do termostato do radiador certamente não durarão 2 anos, possivelmente um ano com sorte. Se você quiser saber a temperatura ambiente real, precisará adicionar outro dispositivo, a válvula do radiador relatará apenas o valor alvo. Existem outros serviços mais inteligentes disponíveis, mas se você deseja controle básico, pode ser para você.
28 revisões
Termostato da Sala de Controle da Casa Devolo (automação residencial através do aplicativo iOS/Android, dispositivo doméstico inteligente, controles de aquecimento inteligente, termostato de sala programável, controle sem fio, onda z) – branca
Identifique a temperatura ambiente exata a qualquer momento na tela iluminada
Controle fácil e central da unidade da temperatura ambiente (quando combinada com os termostatos de radiador de controle de devolo de controle))
Pronto para uso em pouco tempo; pode ser instalado facilmente sem ferramentas ou experiência especiais
Compre na Amazon
Próxima vez
Em nossa parcela final, veremos como o sistema de controle doméstico funciona com outros dispositivos de produtores. Também resumiremos nosso veredicto do Sistema de Controle da Casa Devolo.
devolo.com: Leia a parte 1, parte 2 e parte 3
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Última atualização em 2021-10-04 / links / imagens afiliados da API de publicidade de produtos da Amazon
