Dunkirk EMPIRE 3EWC0.80 Installation, Operation & Maintenance Manual page 13

Figure 9 - System Piping Arrangement Zoning With Circulators
> CIRCULATOR ON SUPPLY PIPING PUMPS
AWAY FROM EXPANSION TANK
> PIPING ARRANGED FOR "POWER PURGING"
AIR OUT OF SYSTEM PIPING, REFER TO
THIS MANUAL'S SECTION ON "FILLING
THE SYSTEM WITH WATER" OPTION #1
SYSTEM PIPING
13
PN 240013012, Rev. B [12/15/2020]