20
G e o t h e r m a l H e a t i n g a n d C o o l i n g
Trilogy
®
Variable
(VE) Series IOM - 60Hz HFC-410A
C r e a t e d : 4 O c t o b e r, 2 0 1 9
Multiple Unit Piping and Flushing
Multiple Units with Internal Flow Controllers and Common Flushing Ports
Water Out
Water In
Heat Pump
B
Water Out
Water In
Heat Pump
A
To Ground
Loop
Water Out
Water In
Heat Pump
C
Ground Loop
Shut-Off Valve
Indoor Loop
Shut-Off Valve
Flush
Valve
Size for Heat Pump
‘A’ Flow
Size for ‘A’ + ‘B’ Flow
Size for ‘A’ + ‘B’ + ‘C’ Flow
Size for
Heat Pump
‘C’ Flow
Size for
Heat Pump
‘B’ Flow
Figure 16b: Multiple Units with Internal Flow Controllers and External Flushing Valves
