Heat pump technology: a summary document (159 pages) on the technology, applications and implementation of heat pumps
This is edited by Dimplex (Dimplex.de) so it is necessarily a bit commercial but it is the most complete general documentation free of copyright that we could find on heat pump technology.
Summary (not detailed):
1 Choice and heat pump design
2 heat pump air / water
3 heat pump brine / water
4 heat pump water / water
5 Installation of heat pumps
6 Production of hot water and ventilation with heat pumps
7 Controls and adjustments
8 Integration heat pump heating system
9 Planning Help
10 Accessories
.pdf pages 160 and 7 Mo.