Dunkirk Q95M-200 Installation, Operation & Maintanance Manual page 36

piping diagram 5 : primary/secondary piping with circulators and domestic hot water
WATER INLET
FLOW CONTROL
VALVE
NOTE: RECOMMENDED FOR ANTIFREEZE APPLICATIONS
Xvi - pipinG and wirinG appendiX
ZONE 4
ZONE 3
ZONE 2
DHW PUMP
EXPANSION
TANK
PRESSURE
CIRCULATOR
REDUCER VALVE
(PUMP)
SHUT-OFF
VALVE
ZONE 1 (PRIORITY ZONE)
12" MAX APART
(TO PREVENT FORCED
FLOW IN SECONDARY)
PRIMARY
PUMP
(CH & DHW)
BOILER
CHECK VALVE
36
Piping Diagram 5
ALTERNATE PUMP
LOCATION
*SEE NOTE
BALL VALVE
ZONE VALVE
AIR SEPARATOR
HOSE BIB