CleaverBrooks CFC ClearFire - Zoning with Zone Valves

Figure B5-35. Zoning with Zone Valves
CFC
1
BOILER OUTLET (SUPPLY)
2
BOILER INLET (RETURN)
4
5
11
6
3
4
1
2
8
5
4
9
7
3
SECONDARY CONNECTION (BOILER CIRCUIT)
4
ISOLATION VALVES
5
PURGE COCKS (HOSE BIBB)
6
AIR SEPARATOR WITH AUTOMATIC AIR VENT
7
DIAPHRAGM EXPANSION TANK
8
COMBINATION FILL VALVE
9
ZONE VALVES
10
ZONE CIRCULATORS (CIRCULATOR ZONING)
11
SYSTEM CIRCULATOR (ZONE VALVE SYSTEM)