System information

12
Geothermal Applications
Carrier: Turn to the Experts.
System Components ........................................................................13
The Geothermal Heat Pump ......................................................13
Packaged Water-to-Air Heat Pumps .......................................14
Split Systems Water-to-Air Heat Pumps ...............................14
Two-Way Unit Communicating System ................................15
Integrated Variable-Speed Water Flow Control ................16
Water-to-Water Heat Pumps .....................................................17
Heat Source/Heat Sink ....................................................................18
Open Loop Systems (Well Water) ..........................................18
Table 1: Water Quality Standards ..............................................19
Closed Loop Systems ......................................................................20
Vertical (Drilled) Closed Loop ...................................................20
Horizontal (Trenched or Bored) Loop ..................................21
Pond/Lake Loop ..................................................................................21
Closed Loop Basics ...........................................................................22
Pipe Fusion Methods ........................................................................22
Parallel Loop Design .........................................................................23
Header Design .....................................................................................23
Table of Contents
Flow Controller Selection ..............................................................25
Loop Piping Installation ...................................................................25
Flow Controller Performance Charts .....................................26
Antifreeze Pressure Drop Tables ...............................................27
Horizontal Applications ...................................................................33
Vertical Applications ..........................................................................33
Pond/Lake Applications ...................................................................34
Building Entry ........................................................................................34
The Heating/Cooling Distribution System ...........................36
Equipment Sizing .................................................................................37
Loop Sizing .............................................................................................40
Options ....................................................................................................41
Whole House Dehumidifi cation ...............................................41
Whole House Dehumidifi cation Applications ...................42
Sequence of Operation ..................................................................43
Application Considerations...........................................................45
Whole House Dehumidifi cation ..............................................46
Revision Log...........................................................................................50