Bosch Geothermal Heat Pumps - Bosch Geothermal Heat Pumps Applications Manual

Heat pumps
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Applications Manual
Table of Contents
1 Explanation of symbols
2 Introduction
3 Residential Bosch Geothermal Heat Pump
System Applications
4 Residential Bosch Geothermal Heat Pumps
4.1 Bosch Self-Contained (Package) and Split-
System Water-to-Air Heat Pumps
4.2 Bosch Water-to-Water Heat Pumps
4.3 Bosch Air Handling Unit for the Retro t Market
4.4 Bosch Water-to-Air Geothermal Heat Pump
Operation
4.5 Bosch Water-to-Air Geothermal Heat Pump
Ratings
4.6 Bosch Geothermal Heat Pump
Equipment Sizing
5 Ground Heat Exchanger Types
6 Open-Loop Geothermal Heat Pump Systems
6.1 Open-Loop Geothermal Heat Pump System
Water Quantity
6.2 Open-Loop Geothermal Heat Pump System
Water Quality
6.3 Open-Loop Geothermal Heat Pump System
Water Disposal
6.4 Open-Loop Geothermal Heat Pump System
Design
6.5 Water Well Criteria and Terminology
6.6 Groundwater Well Pumps
6.7 Geothermal Standing Column System
7 Closed-Loop Geothermal Heat Pump Systems
8 Ground Heat Source or Heat Sink for Closed-Loop
Ground Heat Exchangers
9 Closed-Loop Ground Heat Exchanger Design
Considerations
9.1 Series or Parallel Con gurations
9.2 Ground Characteristics
9.3 Soil Analysis
9.4 Closed-Loop Design Fundamentals
9.5 Soil & Groundwater Temperature
9.6 Piping
Bosch Thermotechnology Corp.
9.7 Pipe Fusion Methods
5
9.8 Heat Transfer Fluids (Antifreeze)
9.9 Closed-Loop Con guration
6
9.10 Underground Piping Installation Criteria
9.11 Closed-Loop Header Design
7
10 Vertical Closed-Loop Ground Heat Exchangers
(Vertical Loops)
8
10.1 Groundwater Effects
9
10.2 Piping Installation and Borehole Alignment
10.3 Loop Field Identi cation
11
10.4 Location of Vertical Closed-Loops
12
10.5 Borehole Construction
13
10.6 Typical Methods Used for Vertical Borehole
Construction
15
10.7 Vertical Borehole Back ll
10.8 Proper Grouting
17
10.9 Vertical Closed-Loop Grouting
Recommendations
35
10.10 Grout Material
10.11 Grouting Procedures
36
11 Horizontal Closed-Loop Ground Heat Exchangers
37
(Horizontal Loops)
11.1 Horizontal - Loop Layout
38
11.2 Trench Safety
11.3 "Slinky™" Ground Heat Exchangers
41
11.4 Racetrack Closed-Loop Ground Heat
Exchangers
43
11.5 Horizontal Directional Drilling (HDD)
43
Closed-Loop Ground Heat Exchangers
44
11.6 Pond and Lake Geothermal Applications
45
12 Residential Structure Pipe Entry/Exit
46
13 Interior Piping
47
14 Ground Loop Pumping Package (GLP)
14.1 Flow Centers for Closed-Loop Ground
Heat Exchangers
48
14.2 Pressurized Flow Centers
48
14.3 Non-Pressurized Flow Centers
49
14.4 General Flow Center Criteria
49
53
54
15 Closed-Loop Flushing and Purging
55

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