ECR International COMBI 115 Installation, Operation And Maintenance Manual page 52

FI GURE 8 - 8 Circula t or Pum p Connect ions
For m ore inform a t ion plea se review t he a pplica t ion
guide received w it h your boiler.
A field supplied pump relay is necessary for system pumps.
8 - ELECTRI CAL CON N ECTI ON S
Therm ost at or Endswit ch
from zone valve or valves
4 8
240013687 REV A [ 09/ 01/ 2022]