IEA Heatpump Programm Annex 28
 

 

 

 

projects
Overview of the national country projects:

 

Country

Project

Activities Task 2

Activities Task 3

Austria Direct expansion systems

DHW production with desuperheating

Heating with condenser
  • Test rig measurements and monitoring of direct expansion systems with desuperheating for DHW production
  • Proposal for calculation method for direct expansion systems with desuperheating for DHW production
Canada Ground source heat pump with radiant floor, DHW and cooling (air)
  • Test rig measurements of this system
  • Proposal for test procedure
  • Proposal of calculation method according to ASHRAE 137:1995
France Steady state and cyclic testing for 
different kind of heat pumps
  • Cyclic test (all refrigerants) on A/W and B/W HP
  • Proposal of test procedure for combined B/W and W/W heat pump based on test rig measurements
  • Test rig measurements of CO2 A/W HP
  • Proposal for calculation method for B/W and W/W heat pumps for heating 
Germany Calculation method for compact units for ultra low energy houses acc. to German passive house standard
  • Delivery of existing field measurement and test rig data for validation
  • Sponsoring of heat pump units for test rigs
  • proposal for calculation method for passive house units
  • proposal for calculation method for comparison of heat pumps with other heat generation systems
Japan CO2 heat pumps with alternative or combined floor heating including inverter drives
  • Test rig measurements of the CO2 heat pump
  • Proposal of a test procedure
  • Proposal for calculation method for the system
Norway CO2 and HC heat pump with desuperheating / condensate subcooling
  • Test rig and field measurements of these systems
  • Proposal of a test procedure
  • Proposal for calculation method for these systems
Sweden Exhaust air heat pumps systems / B/W systems
  • Test rig with exhaust air heat pumps for combined systems or brins/water heat pumps
  • Proposal for a test procedure
  • SPF hand calculation method for exhaust air systems, possibly extended ot A/W and B/W heat pumps
Switzerland Cascade heat pump with condensate subcooling for DHW production
Compact units for low energy houses (e.g. acc.
MINERGIE standard)
  • Test rig measurements for alternative and simultaneous (condensate subcooling) DHW production
  • Field measurements of compact units for low energy houses
  • proposal of test procedure
  • Proposal of calculation method for this systems
United Kingdom Ground source heat pumps systems with cooling and simultaneous DHW (desuperheating/twin condenser)
 
  • Test rig measurements of these system
  • Proposal of a test procedure

 

  • Proposal for calculation method for W/W HP or open loop ground source HP with cooling and simultaneous DHW
  • Validation
USA to be enquired (phase of project development)
  • to be enquired
  • to be enquired: calculation method based on ASHRAE 137:1995

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last update:22.01.2008

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