CleaverBrooks CFC ClearFire - Hybrid Boilers with Domestic Water

Figure B5-43. ‘Hybrid’ Boilers with Domestic Water
CFC
1
BOILER OUTLET (SUPPLY)
2
BOILER INLET (RETURN)
3
SECONDARY CONNECTION
4
ISOLATION VALVES
5
PURGE COCKS
6
AIR SEPARATOR WITH AUTOMATIC AIR VENT
7
DIAPHRAGM EXPANSION TANK WITH FILL VALVE
8
FLOW/CHECK VALVES
9
SYSTEM CIRCULATOR
5
6
9
7
3
12" MAX APART AT ALL SECONDARY CONNECTIONS
TO PREVENT FORCED FLOW IN SECONDARY
CAUSED BY PRESSURE DROP THROUGH PIPING
BETWEEN CONNECTIONS
Supply
Retur
n
FLX
2
4
1
8
4
130 F
150 F
Sensor
Hot Water
Outlet
Cold Water
Supply
10
DOMESTIC PUMP
4
4
4
4
4
1
2
8
10
4
3