UTICA BOILERS Trifire 3 Series Installation, Operation & Maintenance Manual page 31

10 - HYDRONIC PIPING
24 VAC
120 VAC
TO XFRM
PRIMARY
120VAC
PUMP
31
STATUS
PRIORITY ON
PRIMARY PUMP
PRIORITY PUMP
X-X CONTACT
ZR ON
PRIORITY
FROM BOILER
PUMP
PN 240013415 REV A [08/15/2021]
ZONE VALVE / PUMP
PRIORITY
ZR-ZC
DPM-2
OPTION SWITCHES
ZONE VALVE / PUMP
PRIORITY
ZR-ZC
DPM-2
OPTION SWITCHES