11
ZONE 3
ZONE 2
ZONE 1 (PRIORITY ZONE)
BOILER
WATER INLET
ZONE 4
*USE FULL PORT ZONE
VALVE.
DHW
CIRCULATOR
CH
CIRCULATOR
CIRCULATOR
FLOW CONTROL
VALVE
SHUT-OFF
VALVE
PRESSURE
REDUCER VALVE
CHECK VALVE
BALL VALVE
AIR SEPARATOR
ZONE VALVE
HOSE BIB
EXPANSION
TANK
ZONE 3
ZONE 2
ZONE 1 (PRIORITY ZONE)
BOILER
WATER INLET
CH & DHW
SYSTEM
CIRCULATOR
*USE FULL PORT ZONE
VALVE. FOR OPTIMUM TANK
PERFORMANCE, CONSIDER
USING ZONE CIRCULATOR
(SEE FIGURE 5)
ZONE 4
CIRCULATOR
SHUT-OFF
VALVE
PRESSURE
REDUCER VALVE
CHECK VALVE
EXPANSION
TANK
AIR SEPARATOR
ZONE VALVE
HOSE BIB
FLOW CONTROL
VALVE
CONNECTING SUPPLY AND RETURN PIPING
Figure 10 - Multi Zone System With Zone Valves And DHW Priority (With Circulator)
Figure 11 - Multi Zone System With Zone Valves And Dhw Priority (With Zone Valve)
