PENNCO 15B SERIES, Installation, Operation & Maintenance Manual, Page: 10 / 32

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ZONE 3
ZONE 2
ZONE 1 (PRIORITY ZONE)
BOILER
ZONE 4
DHW CIRCULATOR
WATER INLET
CIRC 2
CIRC 3
CIRC 4
CIRCULATOR
SHUT-OFF
VALVE
PRESSURE
REDUCER VALVE
CHECK VALVE
BALL VALVE
AIR SEPARATOR
ZONE VALVE
HOSE BIB
FLOW CONTROL
VALVE
EXPANSION
TANK
BOILER
DHW
CIRCULATOR
CH CIRCULATOR
PRIORITY ZONE
CIRCULATOR
EXPANSION
TANK
WATER INLET
FLOW CONTROL
VAVLE
SHUT-OFF
VALVE
PRESSURE
REDUCER VALVE
CHECK VALVE
BALL VALVE
AIR SEPARATOR
ZONE VALVE
HOSE BIB
SINGLE ZONE SYSTEM WITH
DHW PRIORITY
MULTIZONE SYSTEM WITH CIRCU-
LATORS AND DHW PRIORITY
CONNECTING SUPPLy AND RETURN PIPING
Figure #7
Figure #8