Navien NaviCirc Installation And Operation Manual page 63

Recirculation
Pump
Neutral
(max. 2.5 A)
(N)
Line
(L)
* Recirculation
Pump
DHW Supply
Expansion Tank
lLWCO
AC24VL
AC24VN
SUPPLY RETURN OUTDOOR T/S_ZONE3 T/S_ZONE2 T/S_ZONE1 SUPPLY RETURN OUTDOOR T/S_ZONE3 T/S_ZONE2 T/S_ZONE1
TEMPERATURE SENSOR R W C R W C R W C TEMPERATURE SENSOR R W C R W C R W C
Return Water
63
lLWCO
AC24VL
AC24VN
NaviCirc