Energy Tech Laboratories Homes Northwest - Manual (Page 2)

ENERGY STAR Homes Northwest
Geothermal Heat Pump Design and Installation Standards
ENERGY STAR Homes Northwest
Geothermal Heat Pump
Design and Installation Standards
1.0 CLOSED LOOP GROUND HEAT EXCHANGERS ................................................... 1
1.1 I NSTALLATION P ERSONNEL AND T RAINING R EQUIRED . .................................................... 1
1.4. D ESIGN M ETHODS AND C OMPLIANCE ................................................................................ 2
1.5 E QUIPMENT I NSTALLATION ................................................................................................ 2
1.6. G ROUND H EAT E XCHANGER M ATERIALS .......................................................................... 2
1.7 P IPE J OINING METHODS ...................................................................................................... 3
1.8 F LUSHING , P URGING , P RESSURE AND F LOW T ESTING ....................................................... 3
1.9 P IPING ARRANGEMENT ....................................................................................................... 4
2.0 PIPE PLACEMENT AND BACKFILLING ................................................................. 4
2.1. H ORIZONTAL S YSTEMS ...................................................................................................... 4
2.2 V ERTICAL B ORE H OLES . .................................................................................................... 4
3.0 INDOOR PIPING AND CIRCULATION SYSTEM.................................................... 5
3.1 C IRCULATOR S IZING AND S YSTEM AND C OMPONENTS ..................................................... 5
3.2. A NTIFREEZE S ELECTION AND U SE . .................................................................................... 5
4.0 GROUND SOURCE HEAT PUMPS.............................................................................. 6
4.1 W ATER S OURCE H EAT P UMPS ............................................................................................ 6
4.2 H EAT P UMP P IPING AND MATERIALS . ................................................................................ 6
5.0 COMMISSIONING AND VERIFICATION FOR GROUND SOURCE HEAT
PUMPS .............................................................................................................................. 7