IEA Solar Heating and Cooling Programm - NachhaltigWirtschaften.at

IEA SHC Task 38 Solar Air Conditioning and Refrigeration Subtask A Report, Date: 06/2011
33%
67%
yes
no
Figure 3: Fulfilment of expectations
The plant quality was judged quite well by the plant owners (see Figure 4); for “moderate”
and “bad” following additional information or impressions were given:
The plant was not ready for daily use and needed a lot of manual adjustments,
therefore, the plant has been dismounted
The majority of solar thermal installation companies do not understand solar thermal
systems
11%
33%
6%
50%
very good
good
moderate
bad
Figure 4: Judgment of plant quality by plant owner
2.2.3 System configuration
From the technology side 14 of the evaluated plants are equipped with absorption chillers
only four are adsorption chiller systems. The preferably used technology on the solar thermal
side are flat plate collectors (14 plants), only three plants operate with evacuated tube
collectors and one uses both types of solar collectors.
page 8