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

EX T ERN AL BU FFER T AN K - W I RI N G D I AGRAM
Bu ffe r Ta n k Pu m p W ir in g
Con t r ollin g A Pr im a r y Pu m p On A Com bi Boile r W it h
Zon e Pu m ps, Ar go ARM 4 P Zon e Con t r ol a n d A8 2 2 - I I
2 7
PN 240013694 REV. A [09/01/2022]