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The Genius Hub can automatically calculate the pre-heat duration for a chosen room, so that the room will reach the set temperature at the start of the ‘heating period’, rather than starting to heat up at that time. Your Genius Hub is adaptive, so it's always learning from the temperature recorded by each temperature sensor. Using the local weather data and the heating history for each room, it will constantly adjust the pre-heat duration as the weather changes. This means that when you look at the automatically calculated time you see a value that is looking at the current measured temperature in the room, the current external temperature and the next heating period target temperature (not the default temperature as this is ignored). When calculating the next pre-heat time it takes into account a number of factors such as the lag time (how long it takes for the heating system to respond after the heating system is started to be heated) and rise rate (which is the speed that the room heats once it has started to rise in temperature). This The default setting for pre-heating is disabled.
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The Pre-heating options are only available in radiator and wet underfloor type heating zones which have a temperature measuring device (such as a Genius Radiator Valve, Room Sensor or Room Thermostat) assigned to the zone. |
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Automatic pre-heat: This option allows the Genius Hub to apply its automatically calculated pre-heat time to this zone, given the set temperature, measured temperature and weather conditions. This time is calculated in real time based on the next target temperature in the schedule (bear in mind that the next heating period may be tomorrow). This can be checked on the Zone Setup page at any time. If it reads 5 or 0 minutes this means that the room is up to temperature for the current relevant heating period.
- Manual pre-heat: This option lets you choose how much sooner the room will begin to heat than the start time of the heating period. This manually entered number will always be used, no matter the amount of heating required in the zone to reach the set temperature.
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If setting a manual pre-heat duration, think about the size of the room as well as how many external walls the room has. A small room will likely heat up more quickly, where as a room on the corner of a property may heat up more slowly due to the amount of walls which are external walls. |
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Temperature offset
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In some situations the Radiator Valves and Room Sensors can detect a different temperature to one another, for example if the Room Sensor in placed on an external wall it will misread the temperature due to the cool wall. When this happens and it is not feasible to move the Room Sensor due to the layout of the room, the devices can be manually offset so they read the same temperature.
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