Smart 40 Indirect Water Heater Manual

Installation -Piping
11
4
1
3
2
2-Port
Priority Valve
(normally open)
2-Port
Priority Valve
(normally close)
1
6
5
Cold water
inlet
1
2
4
1
3- Port
Priority
Valve
3
1
6
Cold water
inlet
5
Fig. 7:
1. Shut-off valves
2. Circulator
3. Expansion tank
4. Drain valve
5. Feed valve
6. Air separator
Fig. 6:
SMART System Piping with 3-Port Zone Valve
(Domestic Priority)
SMART System Piping with 2-Port Zone Valves
(Domestic Priority)
661A0300 - Rev B
Smart manual_Smart manual 10/29/14 10:00 AM Page 13