ECR International COMBI 115 Installation, Operation And Maintenance Manual page 113

EX T ERN AL BU FFER T AN K - P I P I N G D I AGRAM
Buffe r Ta nk On Ce nt r a l H e a t Cir cuit W it h Pr im a r y Pum p a nd Supplie d M a nifold
N OTE : Accept able prim ary pum p
locat ions: Eit her 1 or 2.
For pum p wiring see diagram s on
pages 26- 29.
2 5
PN 240013694 REV. A [09/01/2022]