Phase 3 TR Series - System Priority and Zone Valve Piping Diagrams

Phase III
®
11
9
1
7
2
2-Port
Priority Valve
(normally open)
2-Port
Priority Valve
(normally close)
1
12
11
Cold water
inlet
SMART Series
1
2
9
1
3- Port
Priority
Valve
7
1
12
Cold water
inlet
11
SMART Series
Installation - Piping
Fig. 5:
1. Shut-off valves
2. Circulator
7. Expansion tank
9. Drain valve
11. Feed valve
12. Air separator
Fig. 4:
Phase III
®
System Piping with 3-Port Zone Valve
(Domestic Priority)
Phase III
®
System Piping with 2-Port Zone Valves
(Domestic Priority)
TR Series
TR Series
Note: See page 25 for TR Series Boiler
Supply and Return Connections.
Note: See page 25 for TR Series Boiler
Supply and Return Connections.