Johnson Controls1 Heat Pump Jean-Pierre Perron Sales Executive Johnson Controls,division YORK 0499/

2Johnson Controls Confidential

Types of Heat Pumps Johnson Controls Confidential3 Air to Air or Air to Water Most common is residential air-air heat pumps that cool in summer and heat in winter Water to Air Ground water heat pumps Surface water heat pumps Water to Water Chilled water Cooling tower water Process fluid Low grade heat from a process steam Waste water from laundry, sanitary waste heat etc

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Theory of a Heat Pump Johnson Controls Confidential5

Reason to change Johnson Controls Confidential6

Important attention points for a heatpump Max supply heating temp taking in account the critical temp of the refrigerant Compression ratio COP Low GWP Safety Outside working temperature Humidity Johnson Controls Confidential7

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Air cooled monoblok chiller Disadvantages : defrosting : no heating and energy destruction At low airtemps low capacity and vice versa Advantages High performance, max time in Belgium Not expensive and easy to install outside Johnson Controls Confidential10

Degree days Johnson Controls Confidential11 Hours less than 3°C = 1301 H Hours between 3 and 10°C = 3215 H

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Example off COP with outside temp off -10°C Johnson Controls Confidential13

Example off COP with outside temp off 0°C Johnson Controls Confidential14

Example off COP with outside temp off 7°C Johnson Controls Confidential15

Water/water heat pump -Disadvantages -For Geothermic projects : Lot off tubes in ground /need for space -More engineering -Inside installation -Advantages - heating coming from higher evap temp -Higher COP when it is cold compared to aircooled -Constant COP Johnson Controls Confidential16

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Heat from Chilled Water Johnson Controls Confidential18

Heat from Chilled Water Johnson Controls Confidential19

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COP at different water temp Johnson Controls Confidential24

Projects in Belgium Johnson Controls Confidential25

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Johnson Controls confidential discussion draft. For internal use only27

Johnson Controls28 Thank You Jean-Pierre Perron Building Efficiency Division York Sales executive 0499/