Innovative Technologies and Applications

Concepts for Energy Efficient Cooling

 

Branch: Hospitality

IFA CONTINENTAL HOTEL, Las Palmas (The Canary Islands), Spain

 

Project

The IFA Continental Hotel of Las Palmas required an environmentally-friendly solution for its air conditioning system, as well as heating for 45,000 litres of water for guestrooms and its 800 m² outdoor pool. Given the high level of available sunlight in the Canary Islands, the client decided against an electricity-hungry conventional chilling and heating system. Instead, a combination of solar panels and two YAZAKI water-fired chillers was installed.

 

Task

The project required the installation of 104 flat solar panels to function together with the two YAZAKI WFC systems. The YAZAKI water-fired chillers employ the water heated by solar thermal energy to drive the simple absorption cooling, using an environmentally friendly solution of water and lithium bromide as a fluid. This makes it possible to cool the closed circuit water to 7°C in order to air-condition the hotel rooms.

 

Solution

Power centre consisting of:

  • 1 YAZAKI unit, WFC-SC20 model
  • 1 YAZAKI unit, WFC-SC30 model
  • Solar collector field made up of 104 flat panels

 

Technical data of the installed YAZAKI absorption chillers

  • 1 YAZAKI Li-Br absorption chiller, type WFC-SC 20
  • 1 YAZAKI Li-Br absorption chiller, type WFC-SC 30
  • Total cooling capacity: 175.8 kW
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