Air-Source vs. Water/Ground-Source Heat Pump Systems ...
Air-Source vs. Water/Ground-Source Heat Pump Systems ...
Air-Source vs. Water/Ground-Source Heat Pump Systems ...
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CoolEnergy.dk – March 6-7 th, 2013 – Odense, Denmark<br />
Classification – Brine-to-<strong>Water</strong> <strong>Heat</strong> <strong>Pump</strong>s<br />
B1.1 – Direct system design<br />
› The heat pump evaporator is in direct<br />
contact with the heat source (seawater,<br />
groundwater, sewage etc.)<br />
› The evaporator must be designed and<br />
operated to prevent corrosion, fouling,<br />
clogging and frost formation<br />
› Achieves a higher evaporation temp.<br />
than a direct heat source system, B2.1<br />
B2.1 – Indirect system design<br />
› <strong>Heat</strong> from the heat source is transferred<br />
from the outdoor heat exchanger to<br />
the indoor evaporator via a secondary<br />
circuit with circulating anti-freeze fluid<br />
› Standard heat pumps can be used<br />
<strong>Heat</strong> source<br />
<strong>Source</strong><br />
Outdoor<br />
<strong>Heat</strong> exchanger<br />
Secondary<br />
circuit<br />
Evaporator<br />
Indoor<br />
<strong>Heat</strong> <strong>Pump</strong> Unit<br />
Evaporator<br />
Condenser<br />
<strong>Heat</strong> <strong>Pump</strong> Unit<br />
Condenser<br />
<strong>Heat</strong>ing<br />
system<br />
<strong>Heat</strong>ing<br />
system<br />
6<br />
MARCH 7TH, 2013<br />
COWI POWERPOINT PRESENTATION
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