Delta Performance PG-25 Installation And Maintenance Manual page 32

Primary Piping
1
2
Fig. 14: Primary Piping - Low Temperature Radiant System
1
2
Fig. 15: Primary Piping - Multi Temperature System
1. Appliance circulator
2. Shut Off valves
3. Flow check valve
4. Zone valve
6
M
H
8
5
2
2
12" Max.
2
12" Max.
8
2
12" Max.
2
2
LOAD
C
7 3 2
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 PERFORMANCE
6
7 6
2
M
H
C
2
6
5. Purge valve
6. System circulator
7. 3-way mixing valve
8. System Temperature valve (See note above)
25
5
Baseboard
Load
3
Radiant
Load
3
3
Air Handler
Load