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Geothermal Heat Pumps : A Guide for Planning and Installing :  A Guide for Planning and Installing - Karl Ochsner

Geothermal Heat Pumps : A Guide for Planning and Installing

A Guide for Planning and Installing

Paperback Published: December 2007
ISBN: 9781844074068
Number Of Pages: 146

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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. Expertly reviewed and adapted for the most geographically broad application possible, the book offers the reader valuable tips for planning and system control using data, graphics and tables from a growing and innovative market.

'A comprehensive and up-to-date guide which I would recommend to any installer, engineer or architect for the design, selection and installation of domestic geothermal heat pump systems.' Professor Gerhard Faninger, University of Klagenfurt, Austria

'This book, firmly grounded on the European experience of a heat pump engineer and manufacturer, contains a wealth of information both theoretical and practical which will be of great assistance to both system designers and installers.' Tony Bowen, president, Heat Pump Association, UK

'This little book describes the installation details of 12 domestic heat pump configurations in a repeated format and would be most useful as a general introduction for installers.' International Journal of Ambient Energy

Prefacep. x
Introductionp. xi
List of Acronyms and Abbreviationsp. xviii
Reasons to Use a Heat Pumpp. 1
Environmental benefitsp. 1
Our environment is in dangerp. 1
Tracking down the culpritp. 2
Heat pumps offer emission-free operation on-sitep. 2
Operating costsp. 4
Independencep. 5
Comfortp. 6
Security for the futurep. 6
Non-flammabilityp. 8
Responsibility for the futurep. 8
Ideal for low energy housesp. 8
Retrofitp. 8
Multiple functionsp. 9
Public promotionp. 9
Energy politics/lawsp. 9
Theory of the Heat Pumpp. 11
The principlep. 11
The refrigeration cyclep. 12
Coefficient of performancep. 12
Carnot Cyclep. 13
Working fluid/refrigerantp. 15
Enthalpy-pressure diagramp. 16
Heat pump cycle with injection coolingp. 17
Heat Pump Typesp. 18
Brine/water, water/water heat pumpp. 18
Refrigeration cyclep. 18
Refrigerantp. 19
Electrical components and controllerp. 20
Safety measuresp. 20
Displayp. 20
Direct expansion/water heat pumpp. 21
Refrigeration cyclep. 22
Refrigerantp. 22
Electrical components and controllerp. 23
Safety measuresp. 23
Displayp. 23
Direct expansion/direct condensation heat pumpp. 23
Air/water heat pump - split unitsp. 24
Refrigeration components - indoor unitp. 24
Refrigeration components - outdoor unitp. 24
Refrigerantp. 25
Electrical components and controllerp. 25
Safety measuresp. 25
Displayp. 25
Air/water heat pump - compact units, indoor installationp. 26
Refrigeration cyclep. 26
Refrigerantp. 26
Electrical components and controllerp. 27
Safety measuresp. 27
Displayp. 27
Air/water heat pump - compact units, outdoor installationp. 27
Domestic hot water/heat pumps - air source, split unitsp. 28
Refrigeration cyclep. 28
Refrigerantp. 29
Electrical componentsp. 30
Domestic hot water heat pump - air source, split unitsp. 30
Ground/water heat pump - domestic hot water heat pump - air source, split unitsp. 32
Air/air heat pump - ventilationp. 33
Exhaust-air heat pumps, additional designp. 33
Heat pumps for air heating/coolingp. 33
Complete System Planningp. 35
Planning a heat pump heating systemp. 35
Heat source selectionp. 36
Heating system selectionp. 36
Heat pump selectionp. 37
Determination of heating demandp. 37
Utility interruptible ratesp. 38
Domestic hot water heatingp. 39
Operation configurationsp. 39
Heat pump selectionp. 41
Retrofit/renovationp. 44
Planning Instructions for Ground Heat Source - Brine Systems (Horizontal Collector, Trench, Vertical Loop)p. 46
Ground heat sourcep. 46
System descriptionp. 46
Ground conditionsp. 46
Layout and installation of ground collectorp. 47
Horizontal collector installationsp. 47
Trench collector/spiral collectorp. 49
Vertical loopp. 49
Connectionp. 52
Collection vaultp. 52
Safety clearancep. 53
Building penetrationsp. 53
Brine circulation loopp. 53
Commissioningp. 56
CO[subscript 2] loopp. 57
Planning Instructions for Ground Heat Source - Direct Expansion Systemsp. 58
Ground heat sourcep. 58
Ground conditionsp. 59
Layout and installation of collectorp. 59
Horizontal loop installationsp. 59
Connectionp. 61
Collection vaultp. 61
Safety clearancep. 61
Building penetrationp. 62
Commissioningp. 62
Planning Instructions for Water Heat Source Systemsp. 63
Water heat sourcep. 63
Ground and well conditionsp. 64
Designp. 64
Connectionp. 66
Components/filterp. 66
Building penetrationsp. 66
Commissioningp. 66
Planning Details for Air Heat Source Systemsp. 69
Air heat sourcep. 69
Designp. 70
Split-systemp. 70
Compact systems - indoor set-upp. 72
Compact systems - outdoor set-upp. 73
Operation configurationp. 75
Monovalent systemsp. 75
Bivalent-parallelp. 76
Bivalent-alternatep. 77
Commissioningp. 77
Planning Instructions - Heating Systemsp. 78
Heating circulation loop controlp. 78
Hydraulic separationp. 78
Buffer storage tankp. 80
Circulation pumpp. 80
Connection groupp. 81
Heating/cooling distribution systemp. 81
Radiant floor heatingp. 82
Heating capacity and self-controlling effectp. 84
Radiant wall heatingp. 86
Radiatorsp. 87
Domestic hot water productionp. 87
Heating and Cooling - Reversible Heat Pumpp. 90
Response to climate changep. 90
Technical requirements for buildingsp. 90
Planning for active coolingp. 91
Sizing of ground collectors and vertical loopsp. 92
Cooling distribution system: radiant/surface coolingp. 93
Refrigeration circuit for active coolingp. 93
Controlp. 94
Economicsp. 94
Solar coolingp. 95
Groundwater heat sourcep. 95
Operating rangep. 95
Control of Heat Pump Heating Systems - Electrical Connectionsp. 96
Controller and control systemp. 96
Heat pump controlp. 96
Additional functions of heat pump controlp. 97
Hydraulic schematicsp. 97
Single room control/zone controlp. 97
Other systemsp. 98
Electrical connectionsp. 98
Domestic Hot Water Productionp. 100
General instructions for domestic hot waterp. 100
Why not with the heating loop?p. 100
Domestic hot water system comparisonp. 100
Separation of domestic hot water from the heating systemp. 103
Information for planning and operation of a domestic hot water systemp. 104
Installation instructionsp. 104
Hot water demand- guidelinesp. 104
DVGW - worksheet W551p. 104
Additional optional functions of hot water heat pumpsp. 105
Additional cooling benefitp. 106
Additional basement dehumidifying benefitp. 106
Additional distilled water benefitp. 106
Additional ventilation benefitp. 107
Installationp. 108
Water connectionsp. 109
Water connectionsp. 109
Air connectionsp. 109
Air ductsp. 109
Condensate water drainp. 109
Ground collector connectionp. 109
Heating heat exchangerp. 109
Controlled Dwelling Ventilationp. 111
Why ventilate?p. 111
Why controlled dwelling ventilation?p. 112
Types of controlled dwelling ventilationp. 113
Comprehensive living climatep. 114
Combined units for heating, hot water preparation and ventilationp. 115
Specialized Installationsp. 116
Renovationsp. 116
Low energy/passive housep. 117
Swimming pool heatingp. 119
Livestock stable heat pumpp. 119
Absorberp. 120
Heat pumps for industrial applicationsp. 120
Industrial waste heat use/indirect water sourcep. 122
CO[subscript 2]-heat pipesp. 123
Appendicesp. 126
Hydraulic schematicsp. 126
Investment/operation costs (1/2007)p. 133
Units, symbols and conversionp. 141
List of Figures and Sources
List of Tables and Sources
Table of Contents provided by Ingram. All Rights Reserved.

ISBN: 9781844074068
ISBN-10: 1844074064
Series: Planning and Installing
Audience: Professional
Format: Paperback
Language: English
Number Of Pages: 146
Published: December 2007
Publisher: EARTHSCAN
Country of Publication: GB
Dimensions (cm): 23.47 x 16.26  x 1.32
Weight (kg): 0.28
Edition Number: 1