Install Instructions

14
ZR-ZC WIRING
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
PRIORITY DPM-2
ZR-ZC
– TANKLESS COIL BOILER TO AZ-CP CONTROL –
(PRIORITY PUMP, PRIORITY, AND ZR-ZC OPTIONS SELECTED)
! !
WARNING
When using ZC-ZR careful attention must be paid to keep-
ing the polarity of the wiring consistent between the Argo
control and the boiler aquastat. Failure to do so could result
in a secondary source of power activating the boiler under
certain circumstances which could result in serious injury
or death. Always disconnect power to both the Argo control
and the boiler when installing or servicing this product.