109
Operating the Boiler
Combi Pre-Heat
When using the combi pre-heat 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
(default).
2. Intelligent*
Set to detect DHW usage 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.
* To choose this option you must set up the Time settings
in the Configuration menu.
Note
If there is a SH Demand signal during
combi pre-heat, the space heating will
take priority.
Press the Back button (
) to return to the previous
screen or menu.
Item
Description
1. DHW Set
Temp
Set the hot water temperature (°F).
●
Setting range: 86 - 140°F (30 -
60°C)
●
Default: 122°F (50°C)
2. DHW
Recirculation
When only one NCB-H boiler is
connected:
Set the Recirculation type and
Schedule settings.
●
Recirculation type
-
No Recirculation
-
Combi Pre-Heat
-
External
Note
External recirculation
cannot be used for
cascade systems.
Recirculation type settings (Combi
Pre-heat/External)
●
Set to Combi Pre-heat (Default:
Always On)
-
Always On
-
Intelligent
-
Weekly
Note
Intelligent mode cannot
be used for cascade
systems.
●
Set to External (Default: Always
On)
-
Always On
-
Intelligent
-
Weekly
-
Aquastat
-
Manual
Summary of Contents for NCB-190/060H
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