Navien NaviCirc - Setting External Recirculation

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2.5.2 Setting External Recirculation
External Recirculation
When using the External Recirculation feature, you can choose
commands in the menu to preheat according to the set DHW
temperature.
Item Description
1. Always On
Set to repeat DHW Recirculation.
2. Intelligent*
Set to detect DHW use for a week and repeat the
detected cycle.
3. Weekly*
The user can choose commands for DHW Recirculation
on a weekly basis.
1. 1 Day: schedule a command for the week.
2. 3 Day: schedule commands for Weekdays, Saturdays,
and Sundays.
3. 7 Day: schedule commands for each day of the week.
4. Aquastat Set to use an aquastat for DHW Recirculation.
5. HotButton
(Manual)
Set to use HotButton Push Buttons to activate
Recirculation.
* To choose this option you must set up the Time settings in the
Conguration menu.
Note
If there is a space heating demand signal during external
recirculation, pre-heating will take priority, and space
heating will start afterwards.