External Buffer Tank - Piping Diagram - ECR International Dunkirk DCB-75 Installation, Operation & Maintenance Manual

Buffer Tank Piping
When installing low mass systems, additional water mass
may be required to avoid short cycling by the boiler. In
these applications it is recommended that a buffer tank be
installed.
Buffer Tank on Central Heat Circuit Using Internal Boiler Circulator
Note:
• DHW piping not shown for clarity. Reference applicable sections of this manual for DHW piping details.
• Internal Boiler circulator used on Primary circuit.
Cut Manifold

EXTERNAL BUFFER TANK - PIPING DIAGRAM

Use Stubs To
Connect To Boiler
H2O Stainless
Steel Buffer
Tank
24
Increase
Pipe Size
to Match
Buffer Tank
PURGE
Connections
VALVE
PN 240011430 REV. Q [03/15/2022]
MAGNETIC
DIRT
SEPARATOR