Users Nest V3 complain about modulation problems




Multiple buyers Nest thermostat third generation complain about it, or defective, modulate. Nest advertised precisely with the ability to send modulating boilers, thanks to OpenTherm support in Europe.

nest 3 Several buyers of the new Nest experience problems with modulation, according to the Nest topic at Gathering of Tweakers. A survey of Tweakers prove the problems occur in combination with different generators, including several models of Remeha, Bosch, Vaillant and Intergas.

The Nest V3 offers in Europe support the OpenTherm protocol and would be combined with modular boilers that this support must be able to control. Thanks to the communication protocol has a thermostat with OpenTherm support greater control over the heating and directing sophisticated than through the traditional supply and uitmechanisme possible. This should provide, among other energy savings.

According to different users but not modulates Nest V3. “The Nest behaves in temperature maintenance of the dwelling as an on / off thermostat,” said Osiris user against Tweakers. “He sends the boiler approximately once an hour á half hour commissioned to stoke crackling hard until the maximum temperature is set in the Nest itself.”

Other users confirm these findings. ‘The Nest’ talks’ or Open Therm, for example, the water temperature readout, but the control behavior is similar on / off “, explains EricDH. “My iSense thermostat for example, requires only 45 degrees when it must be increased by half a degree and will ask if the difference between the current and desired temperature is higher. The nest, however, always check the maximum flow temperature, whether there is a small or big difference. This results in very uncomfortable temperature swings in the house. ”

The modulation function for some users not, while earlier thermostats or modulated in combination with their boiler. Also user hard target therefore complains of temperature fluctuations: “I first used a Honeywell Chronotherm Modulation thermostat This thermostat worked perfectly with the one year old Intergas HrEco36 boiler If the thermostat half a degree turned higher, warming the boiler by 40 degrees… The Nest starts immediately at full power at 65 degrees I had set. He shoots too much in temperature due. ”

The spokesperson Nest announces the messages to be aware and to investigate the problems. The company’s support is already in discussions with several users on the cause. Nest says to come up with an explanation if the problems are investigated.


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