Navien NaviCirc Installation And Operation Manual page 79

T/S_ZONE2 T/S_ZONE1 T/S_ZONE1
C R C R C R C C
W W W
Thermostat 2
Thermostat 1 Thermostat 1
lLWCO lLWCO
AC24VL AC24VL
AC24VN AC24VN
Recirculation
Timer, Aquastat,
or HotButton
Push Button
* If the DHW recirculation
menu is set to the Always On,
Intelligent, or Weekly option,
no aquastat or additional
HotButton is required.
Note
When using combi pre-
●
heat, using a recirculation
pump is not necessary.
Select combi pre-heat on
the DHW recirculation
menu.
When using external
●
recirculation, install
a recirculation pump
and select external
recirculation in the DHW
Recirculation
recirculation menu.
Timer, Aquastat,
or HotButton
Push Button
79