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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
SHUTOFF VALVE
BOILER SERVICE_
/
J
I
SUPPLY TO
SYSTEM
\
\
\
FILLTROL WITH '\
AIR PURGER
FiLL LINE WITH /
SHUTOFF VALVE_
I BALANCING VALVE
FLOW CHECK VALVE
ZONE CIRCULATOR
ISOLATION VALVE
SUPPLY TO
SYSTEM
BOILER
BRAIN
10
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