24
10 - HYDRONIC PIPING
120VAC
PRIMARY
PUMP
PRIORITY
PUMP
FROM BOILER
120 VAC
TO XFRM
24 VAC
X-X CONTACT
ZR ON
PRIORITY PUMP
PRIMARY PUMP
PRIORITY ON
STATUS
OPTION SWITCHES
ZR-ZC
DPM-2
ZONE VALVE / PUMP
PRIORITY
OPTION SWITCHES
ZONE VALVE / PUMP
ZR-ZC
DPM-2
PRIORITY
Figure 20 - Piping And Wiring Multizone System With Zone Valves And Domestic Hot Water
Priority (With Circulator)
PN 240013422, Rev. A [08/15/2021]