CleaverBrooks CFC ClearFire - Domestic Water with 2 Boilers and 2 Coils

Figure B5-44. Domestic Water with 2 Boilers and 2 Coils
To
Boilers
RTD
120V or
24V
Control
Two Stage
Cold In
Recirc Pump
Drain
Tank
Thermal Expansion
Hot Out
Thermometer
Pipe To
Safe Location
Top Relief
Pipe Per Code
Cold In
Air Purger with Vent, PRV
and Expansion Tank
Reducers
Auto Air Vent
It High Point
(Reverse Return For
Balanced Flow)
Boiler 2
Boiler 1
Circulators
Tube Bundles Can Be
In Any Location Exc
e
On Top Of Each Oth
e
Supply
Supply
Return
Heating Domestic Water with (2) Boilers and (2) Coils
Return