Manual

SYSTEM PIPING ARRANGEMENT ZONING WITH ZONE VALVES
> 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
RETURN FROM S¥_TEN
SHUTOFF VALVE
BOILER SERVICE--
---AQUASTAT
\
FILLTROL WITH
AIR PURGER
FILL LINE WiTH
SHUTOFF VALVE"
l
SUPPLY TO
SYSTEM
CIRCULATOR
PUNP
BALANCING VALVE
._ ZONE VALVE
SUPPLY TO
SYSTEM
VALVES
BOILER
DRAIN
VALVE_-