TriangleTube Delta - Page 26

20
Primary Piping
8
9
Cold
Water
Fill
9
9
9
3
5
5
5
M
H
C
13
3
6
7
2
4
4
9
9
9
12
1
Note
2 & 3
Radiant Load
(If Applicable)
4
4
9
9
9
4
12
5
9
12
12
1.
Modulating Delta
2. Pressure Relief Valve
3. Automatic Air Vent
4.
Drain/Pur
ge
V
alve
5.
Circulator
6.
Air Separator
7. Expansion Tank - Diaphragm
8. Automatic Fill Valve
9.
Isolation
V
alve
10.
Zone Valve
1
1.
Bypass Valve
12. Flow Check Valve
13. Mixing Valve
Notes:
1. Install a minimum of 12 straight pipe
diameters upstream of all circulators.
2. Install closely spaced tees a maxi-
mum of 4 pipe diameters center to
center
3. Install a minimum of 6 straight pipe
diameters upstream and down stream
of closely spaced tees.
Fig. 9: Primary Piping - Zoning with Circulators