Flow Controller 3
R e v. : F e b u r a r y 9 , 2 0 1 6
24
G e o t h e r m a l H e a t P u m p S y s t e m s
Vertical U-Bends and Pond Loop Systems: Test Vertical
U-bends and pond loop assemblies prior to installation
with a test pressure of at least 100 psi [689 kPa]. Perform a
hydrostatic pressure test on the entire system when all loops
are assembled before backfilling and pipe burial.
Closed Loop Installation
Figure 18: Typical Pond/Lake Loop Configurations
Building Entry
Figure 19: Slab on Grade Entry Detail
Figure 20: Retrofit Construction Detail
Loop Pipe
Enter Building As
Soon As Possible
Insulation Inside
Protective Shield
Finished Grade
4-6' [1.2 - 1.8m]
Figure 21: Pier and Beam (Craw Space) Detail
Loop Pipe
Insulation Inside
Protective Shield
Finished Grade
4-6' [1.2 - 1.8m]
Figure 22: Below Grade Entry Detail
