<p>This diploma work covers an investigation over the heat - and hot water systems of the</p><p>tenant-owner's association, Bogården. The heat - and hot water needs of Bogården are</p><p>satisfied by both district heating as well as three heat pumps. Implemented investigation</p><p>shows that the heat pumps are not used in a profitable way. Apart from that, the reserve</p><p>possibilities are small. There is also a risk of the growth of Legionella bacterium in the</p><p>hot water system.</p><p>Since the heat pumps are already installed, HSB-Gävleborg (responsible for Bogården)</p><p>has a wish to investigate possible proposed actions for optimization of existing plant.</p><p>After completed investigation, a new proposed action is presented. The new proposed</p><p>action goes on intercepting the hot water production and using the heat pumps to only</p><p>heat production during the heating season. Why the hot water production should be</p><p>intercepted, is just in order to eliminate the risk of Legionella. Besides, the new proposal</p><p>is going to bring about a reserve of 1,534,000 SEK during a twenty-year period. This is</p><p>approximately twice as much as what the existing plant may bring during the same</p><p>period.</p><p>During the work's review, it also has been established that heat - and hot water systems</p><p>are error regulated. Since the diploma work does not cover that piece it is instead</p><p>informed as proposals subject to further investigation.</p>
| Identifer | oai:union.ndltd.org:UPSALLA/oai:DiVA.org:hig-3057 |
| Date | January 2008 |
| Creators | Sadik, Zidar |
| Publisher | University of Gävle, Department of Technology and Built Environment |
| Source Sets | DiVA Archive at Upsalla University |
| Language | Swedish |
| Detected Language | English |
| Type | Student thesis, text |
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