Install Instructions

15
– TANKLESS COIL BOILER WITH MH L8124 A OR C
TO AZ-CP CONTROL –
(PRIORITY PUMP, PRIORITY, AND ZR-ZC OPTIONS SELECTED)
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