Grant GES264 sequence controller

5 Year guarantee*

Grant GES264 sequence controller

Heating controls hugely affect system performance and efficiency. The correct control system not only makes it easier to maintain a more comfortable temperature within the home, but it keeps heating bills and carbon emissions down by using less fuel.

Features & benefits

Benefits of a sequence controller

The Grant 264 sequence controller is designed to manage from 2 to 4 heat sources. These may include renewable technologies such as air source heat pumps and wood pellet boilers or alternatively oil/gas boilers. The controller is able to cope with a mix of fuels all at the same time. This is achieved by using a common flow sensor and using the heat sources installed to satisfy the demand.

 

The water temperature may be weather compensated and used with or without hot water priority, depending on the pipework layout, pumps and motorised valve set up. When controlling up to 4 appliances the controller will record the time run for every heat source/boiler and rotate the firing sequence to provide an equal burn time for all units. This will ensure that all appliances share the load throughout the year. When firing takes place each unit will only run when required, depending on the load placed on the system. This ensures maximum efficiency and prevents unnecessary firing and wasted energy.

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Depending on the system design and layout it is possible to include pump overrun. Primary and hot water pumps can also be controlled by the controller. When used in conjunction with a buffer/thermal store the weather compensation facility will be disabled as the store would be kept at a constant temperature. The control recognises this as a set point temperature and is preset at commissioning along with a check of all other parameters.

  • Can manage from 2 to 4 heat sources.
  • Allows multiple heating appliances to be combined
  • Maximises overall efficiency
  • Reduces heating bills
  • 5 year product guarantee (subject to T&C's)

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