Dunkirk Q95M-200 Installation, Operation & Maintenance Manual page 32

Piping Diagram 3 : Hultizone System With Zone Valves And Domestic Hot Water Priority (With Circulator)
ZONE 4
*USE FULL PORT ZONE
VALVE
CH
l-
WATER INLET
BOILER
DHW
CIRCULATOR
ZONE 2
--lira,-.
ZONE 1 (PRIORITY ZONE)
NOTE: NOT RECOMMENDED FOR ANTIFREEZE APPLICATIONS