Geothermal heat pumps : a guide for planning and installing / Karl Ochsner.

By:

Ochsner, Karl

Material type: Text

TextPublication details: London ; Sterling, VA : Earthscan, 2008.Description: xvi, 146 p. : ill. ; 24 cmISBN:

1844074064 (pbk.)
9781844074068 (pbk.)

Subject(s):

DDC classification:

621.4025 OCH

Online resources:

Table of contents only

Holdings
Item type	Current library	Call number	Copy number	Status	Date due	Barcode
Standard Loan	Moylish Library Main Collection	621.4025 OCH (Browse shelf(Opens below))	1	Available		39002100476143

Enhanced descriptions from Syndetics:

Geothermal Heat Pumps is the most comprehensive guide to the selection, design and installation of geothermal heat pumps available. This leading manual presents the most recent information and market developments in order to put any installer, engineer or architect in the position to design, select and install a domestic geothermal heat pump system. Internationally respected expert Karl Ochsner presents the reasons to use heat pumps, introduces basic theory and reviews the wide variety of available heat pump models.

Includes bibliographical references.

Table of contents provided by Syndetics

Preface (p. x)
Introduction (p. xi)
List of Acronyms and Abbreviations (p. xviii)
1 Reasons to Use a Heat Pump (p. 1)
1.1 Environmental benefits (p. 1)
1.1.1 Our environment is in danger (p. 1)
1.1.2 Tracking down the culprit (p. 2)
1.1.3 Heat pumps offer emission-free operation on-site (p. 2)
1.2 Operating costs (p. 4)
1.3 Independence (p. 5)
1.4 Comfort (p. 6)
1.5 Security for the future (p. 6)
1.6 Non-flammability (p. 8)
1.7 Responsibility for the future (p. 8)
1.8 Ideal for low energy houses (p. 8)
1.9 Retrofit (p. 8)
1.10 Multiple functions (p. 9)
1.11 Public promotion (p. 9)
1.12 Energy politics/laws (p. 9)
2 Theory of the Heat Pump (p. 11)
2.1 The principle (p. 11)
2.2 The refrigeration cycle (p. 12)
2.3 Coefficient of performance (p. 12)
2.4 Carnot Cycle (p. 13)
2.5 Working fluid/refrigerant (p. 15)
2.6 Enthalpy-pressure diagram (p. 16)
2.7 Heat pump cycle with injection cooling (p. 17)
3 Heat Pump Types (p. 18)
3.1 Brine/water, water/water heat pump (p. 18)
3.1.1 Refrigeration cycle (p. 18)
3.1.2 Refrigerant (p. 19)
3.1.3 Electrical components and controller (p. 20)
3.1.4 Safety measures (p. 20)
3.1.5 Display (p. 20)
3.2 Direct expansion/water heat pump (p. 21)
3.2.1 Refrigeration cycle (p. 22)
3.2.2 Refrigerant (p. 22)
3.2.3 Electrical components and controller (p. 23)
3.2.4 Safety measures (p. 23)
3.2.5 Display (p. 23)
3.3 Direct expansion/direct condensation heat pump (p. 23)
3.4 Air/water heat pump - split units (p. 24)
3.4.1 Refrigeration components - indoor unit (p. 24)
3.4.2 Refrigeration components - outdoor unit (p. 24)
3.4.3 Refrigerant (p. 25)
3.4.4 Electrical components and controller (p. 25)
3.4.5 Safety measures (p. 25)
3.4.6 Display (p. 25)
3.5 Air/water heat pump - compact units, indoor installation (p. 26)
3.5.1 Refrigeration cycle (p. 26)
3.5.2 Refrigerant (p. 26)
3.5.3 Electrical components and controller (p. 27)
3.5.4 Safety measures (p. 27)
3.5.5 Display (p. 27)
3.6 Air/water heat pump - compact units, outdoor installation (p. 27)
3.7 Domestic hot water/heat pumps - air source, split units (p. 28)
3.7.1 Refrigeration cycle (p. 28)
3.7.2 Refrigerant (p. 29)
3.7.3 Electrical components (p. 30)
3.8 Domestic hot water heat pump - air source, split units (p. 30)
3.9 Ground/water heat pump - domestic hot water heat pump - air source, split units (p. 32)
3.10 Air/air heat pump - ventilation (p. 33)
3.11 Exhaust-air heat pumps, additional design (p. 33)
3.12 Heat pumps for air heating/cooling (p. 33)
4 Complete System Planning (p. 35)
4.1 Planning a heat pump heating system (p. 35)
4.2 Heat source selection (p. 36)
4.3 Heating system selection (p. 36)
4.4 Heat pump selection (p. 37)
4.4.1 Determination of heating demand (p. 37)
4.4.2 Utility interruptible rates (p. 38)
4.4.3 Domestic hot water heating (p. 39)
4.4.4 Operation configurations (p. 39)
4.4.5 Heat pump selection (p. 41)
4.5 Retrofit/renovation (p. 44)
5 Planning Instructions for Ground Heat Source - Brine Systems (Horizontal Collector, Trench, Vertical Loop) (p. 46)
5.1 Ground heat source (p. 46)
5.1.1 System description (p. 46)
5.2 Ground conditions (p. 46)
5.3 Layout and installation of ground collector (p. 47)
5.3.1 Horizontal collector installations (p. 47)
5.3.2 Trench collector/spiral collector (p. 49)
5.3.3 Vertical loop (p. 49)
5.4 Connection (p. 52)
5.4.1 Collection vault (p. 52)
5.4.2 Safety clearance (p. 53)
5.4.3 Building penetrations (p. 53)
5.5 Brine circulation loop (p. 53)
5.6 Commissioning (p. 56)
5.7 CO[subscript 2] loop (p. 57)
6 Planning Instructions for Ground Heat Source - Direct Expansion Systems (p. 58)
6.1 Ground heat source (p. 58)
6.2 Ground conditions (p. 59)
6.3 Layout and installation of collector (p. 59)
6.3.1 Horizontal loop installations (p. 59)
6.4 Connection (p. 61)
6.4.1 Collection vault (p. 61)
6.4.2 Safety clearance (p. 61)
6.4.3 Building penetration (p. 62)
6.5 Commissioning (p. 62)
7 Planning Instructions for Water Heat Source Systems (p. 63)
7.1 Water heat source (p. 63)
7.2 Ground and well conditions (p. 64)
7.3 Design (p. 64)
7.4 Connection (p. 66)
7.5 Components/filter (p. 66)
7.6 Building penetrations (p. 66)
7.7 Commissioning (p. 66)
8 Planning Details for Air Heat Source Systems (p. 69)
8.1 Air heat source (p. 69)
8.2 Design (p. 70)
8.2.1 Split-system (p. 70)
8.2.2 Compact systems - indoor set-up (p. 72)
8.2.3 Compact systems - outdoor set-up (p. 73)
8.3 Operation configuration (p. 75)
8.3.1 Monovalent systems (p. 75)
8.3.2 Bivalent-parallel (p. 76)
8.3.3 Bivalent-alternate (p. 77)
8.4 Commissioning (p. 77)
9 Planning Instructions - Heating Systems (p. 78)
9.1 Heating circulation loop control (p. 78)
9.2 Hydraulic separation (p. 78)
9.3 Buffer storage tank (p. 80)
9.4 Circulation pump (p. 80)
9.5 Connection group (p. 81)
9.6 Heating/cooling distribution system (p. 81)
9.6.1 Radiant floor heating (p. 82)
9.6.2 Heating capacity and self-controlling effect (p. 84)
9.6.3 Radiant wall heating (p. 86)
9.6.4 Radiators (p. 87)
9.7 Domestic hot water production (p. 87)
10 Heating and Cooling - Reversible Heat Pump (p. 90)
10.1 Response to climate change (p. 90)
10.2 Technical requirements for buildings (p. 90)
10.3 Planning for active cooling (p. 91)
10.4 Sizing of ground collectors and vertical loops (p. 92)
10.5 Cooling distribution system: radiant/surface cooling (p. 93)
10.6 Refrigeration circuit for active cooling (p. 93)
10.7 Control (p. 94)
10.8 Economics (p. 94)
10.9 Solar cooling (p. 95)
10.10 Groundwater heat source (p. 95)
10.11 Operating range (p. 95)
11 Control of Heat Pump Heating Systems - Electrical Connections (p. 96)
11.1 Controller and control system (p. 96)
11.2 Heat pump control (p. 96)
11.3 Additional functions of heat pump control (p. 97)
11.4 Hydraulic schematics (p. 97)
11.5 Single room control/zone control (p. 97)
11.6 Other systems (p. 98)
11.7 Electrical connections (p. 98)
12 Domestic Hot Water Production (p. 100)
12.1 General instructions for domestic hot water (p. 100)
12.1.1 Why not with the heating loop? (p. 100)
12.1.2 Domestic hot water system comparison (p. 100)
12.1.3 Separation of domestic hot water from the heating system (p. 103)
12.1.4 Information for planning and operation of a domestic hot water system (p. 104)
12.1.5 Installation instructions (p. 104)
12.1.6 Hot water demand- guidelines (p. 104)
12.1.7 DVGW - worksheet W551 (p. 104)
12.2 Additional optional functions of hot water heat pumps (p. 105)
12.2.1 Additional cooling benefit (p. 106)
12.2.2 Additional basement dehumidifying benefit (p. 106)
12.2.3 Additional distilled water benefit (p. 106)
12.2.4 Additional ventilation benefit (p. 107)
12.3 Installation (p. 108)
12.4 Water connections (p. 109)
12.4.1 Water connections (p. 109)
12.4.2 Air connections (p. 109)
12.4.3 Air ducts (p. 109)
12.4.4 Condensate water drain (p. 109)
12.4.5 Ground collector connection (p. 109)
12.4.6 Heating heat exchanger (p. 109)
13 Controlled Dwelling Ventilation (p. 111)
13.1 Why ventilate? (p. 111)
13.2 Why controlled dwelling ventilation? (p. 112)
13.3 Types of controlled dwelling ventilation (p. 113)
13.4 Comprehensive living climate (p. 114)
13.5 Combined units for heating, hot water preparation and ventilation (p. 115)
14 Specialized Installations (p. 116)
14.1 Renovations (p. 116)
14.2 Low energy/passive house (p. 117)
14.3 Swimming pool heating (p. 119)
14.4 Livestock stable heat pump (p. 119)
14.5 Absorber (p. 120)
14.6 Heat pumps for industrial applications (p. 120)
14.7 Industrial waste heat use/indirect water source (p. 122)
14.8 CO[subscript 2]-heat pipes (p. 123)
15 Appendices (p. 126)
A Hydraulic schematics (p. 126)
B Investment/operation costs (1/2007) (p. 133)
C Units, symbols and conversion (p. 141)
List of Figures and Sources
List of Tables and Sources

Author notes provided by Syndetics

Karl Ochsner founded the OCHSNER Heat Pump Company in 1978 to become one of the first European industrial producers in this field. He is president and shareholder of the corporation and is also chairman of the European Heat Pump Association (EHPA).Dr Robin Curtis is technical manager for EarthEnergy Ltd, part of the GeoScience Group. He has been promoting and developing the introduction of geothermal heat pumps into the UK market since 1992.