External Buffer Tank - Piping Diagram - ECR International COMBI 115 Installation, Operation And Maintenance Manual

Buffer Ta nk Piping
When inst alling low m ass syst em s, addit ional wat er m ass
may be required to avoid short cycling by the boiler. In
t hese applicat ions it is recom m ended t hat a buffer t ank be
inst alled.
Bu ffe r Ta n k on Ce n t r a l H e a t Cir cu it Usin g I n t e r n a l Boile r Cir cu la t or
N ot e:
• DHW piping not shown for clarit y. Reference applicable sect ions of t his m anual for DHW piping det ails.
• Internal Boiler circulator used on Primary circuit.
Cut Manifold
EX T ERN AL BU FFER T AN K - P I P I N G D I AGRAM
Use St ubs To
Connect To Boiler
H 2 O St ainless
St eel Buffer
Tank
2 4
I ncrease
Pipe Size
t o Mat ch
Buffer Tank
PURGE
Connect ions
VALVE
PN 240013694 REV. A [09/01/2022]
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