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Primary Piping
1
8
2
3
2
7
6
5
2
5
H
M
C
LOAD
Fig. 10: Primary Piping - Low Temperature Radiant System
Note: Adjust system temperature
valve to establish maximum sup-
ply/return temperature differen-
tial of 30ºF and a minimum
130ºF return water temperature
to the ELITE
1. Circulator
2. Shut Off valves
3. Flow check valve
4. Zone valve
5. Purge valve
6. System circulator
7. 3-way mixing valve
8. System Temperature valve (See note above)
1
6
Baseboard
Load
3
6
6
2
2
8
7
Radiant
Load
Air Handler
Load
3
3
2
2
2
H
C
M
2
2
12" Max.
12" Max.
12" Max.
2
Fig. 11: Primary Piping - Multi Temperature System