-2-
Figure 2:
KEY:
VI, V2, V3 = SHUT-OFF ISOLATION VALVE
P = TACO 0034e CIRCULATOR
FF = FAST FILL BOILER FEED VALVE
PV4 = PURGE VALVE
FC = FLOW CHECK VALVE
MOD CON
BOILER
ZONE 1
ZONE 2
ZONE 3
ZONE 1
ZONE 2
ZONE 3
ZONE 1 ZONE 2 ZONE 3
FC
FC
FC
FC
FC
FC
FC
FC
FC
ZONE 1
ZONE 2
ZONE 3
ZONE 1
ZONE 2
ZONE 3
FC
FC - Optional Location
FC
FC
ZONE 1
ZONE 2
ZONE 3
FC
FC - Optional Location
FC
FC
Figure 2
PREFERRED PIPING FOR CIRCULATORS ON BOILER SUPPLY
PREFERRED PIPING FOR CIRCULATORS ON BOILER RETURN
PREFERRED PRIMARY / SECONDARY PIPING FOR CIRCULATORS ON BOILER SUPPLY
