BSEE 40th ANNIVERSARY ISSUE
ontay, the market leader in field control devices, is working with E.ON Controls to deliver energy efficiency savings to 400 Premier Inn hotels in the UK.
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Premier Inn was named the UK's top-rated hotel chain for 2018 according to Which? With almost 800 hotels and more than 75,000 rooms across the UK and Ireland. With such a large number of rooms spread across multiple sites, keeping on top of energy consumption on a project like this and finding ways to save energy can be challenging. However, for the last three years, the Whitbread Group has been working with E.ON Controls on a roll out to install a Building Management control solution to a percentage of hotels to save energy.
“There are a vast number of Premier Inn hotels across the country,” comments Nigel Holyoake, Project Manager at E.ON Controls. “Before we started this project, we could see there was huge potential for the Whitbread Group to conserve energy and run as efficiently as possible.”
The refurbishment project includes a number of Sontay sensors selected by E.ON controls and provided by one of Sontay’s distributors, Western Automation.
Each hotel is fitted with an outside air sensor for monitoring purposes. The TT-331 range from Sontay is a direct output, temperature sensor for measuring
outside air temperature. Units contain either a high-quality thermistor, Nickel or Platinum sensing element and the housing is IP65 rated. E.ON controls also installed the TT-322 sensors to monitor air temperature within the ducts, TT-341 sensors to measure the temperature of liquids within pipework and TT-351 Clamp-on sensors to measure the temperature of pipes.
In the restaurant and back of house areas within the hotels, E.ON controls have installed Sontay space sensors to monitor the temperature. With their sleek aesthetics, the TT-1000 room sensors will measure air temperature precisely within the areas. Utilising the latest high accuracy temperature measuring element, the sensors can be supplied with a wide range of user interface options such as set-point adjustment, momentary switch and fan speed selection together with a multi-line backlit LCD display.
Although the new controllers and sensors have been installed, the project has not
ended. In some ways, it has just begun. E.ON Controls is now able to analyse the energy usage of all hotels from its central control department in Glasgow.
“We are monitoring the energy usage on a 24/7 basis,” continues Nigel. “We can easily see when energy usage goes up or when it goes down and investigate further when required. Since we started this programme of
refurbishment, we have seen the energy
consumption go down on an annual basis. The hotels are now more efficient
whilst still providing the highest level of comfort to Premier Inn guests.”
BSEE
Sontay is the premier choice for E.ON Controls and the Whitbread Group
Read the latest at:
www.bsee.co.uk
BUILDING SERVICES & ENVIRONMENTAL ENGINEER OCTOBER 2019 31
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