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7224230.02 - en
INSTALLATION AND OPERATING MANUAL
19. FUNCTIONAL CIRCUIT DIAGRAM
Key
Y1 ON-OFF valve with by-pass
P1 Pump
C1 Meter
PR Heating pressure switch
VS Heating safety valve
VE heating circuit vessel
SCP Primary exchanger
VC System fill valve
HEA
TING INLET FROM
CENTRAL PLANT
HEA
TING RETURN TO
CENTRAL PLANT
PLANT
HEA
TING
DELIVER
Y
PLANT
HEA
TING
RETURN
1506_1805.eps
CR_0729
Y1
C1
P1
LUNA SAT RPZ-SP+2C
SCP
VE
VS
PR
VC