Navien NCB700-2S Plus 42K Installation & Operation Manual page 67

Condensing combi boiler
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DHW Preheat
Item
1. ECO (Preheat OFF)
2. ECO (Intelligent)
3. ECO (Schedule)
4. Always Preheat
If you select DHW Schedule, you can select the certain day to
schedule the central heating modes.
Item
1. 7 Day
2. 5 + 2 Day
3. 5 + 1 + 1 Day
4. OFF (Not Used)
Setting the DHW Schedule
When setting up the DHW option, select 'Weekly, ' and select
between 1 Day, 3 Day, and 7 Day to go to the Schedule menu.
Working
Press the Up button (
) or the Down button (
the scheduled time. You can choose the time in 30 minutes
intervals.
Anti-Legionella
Item
1. Anti-Legionella Usage
2. Anti-Legionella Day
3. Anti-Legionella Time
Description
Turn off the DHW Preheat.
Set to detect DHW usage for
repeat the detected cycle.
Set the detect DHW usage for
a week.
Always turn on the DHW
Preheat.
Description
Schedule a command for each
day of the week.
Schedule a command for
weekday and weekend.
Schedule a command for
weekdays, Saturdays, and
Sundays.
Disable the schedule function.
Not working
) to choose
Description
Enable or disable Anti-
Legionella function
Set the desired day of the
week for the Anti-Legionella
operation to run
Set the time for the Anti-
Legionella operation to run
10.6.4 Setting the Schedule Programming
To set the boiler's schedule programming operation, press the
Menu button (
), and then select "4. Schedule Programming".
Press the Up button (
) or the Down button (
between the list items or to increase/decrease setting values.
Press the OK button (
) to select an item or to confirm after
making changes.
Press the Back button (
) to return to the previous screen or
menu.
Item
1. CH Schedule
2. DHW Schedule
WARNING
Most Legionella can be sterilised in a few minutes in
water above 60°C.
If you enable the "Anti-Legionella" function, the boiler
may operate from 1 A.M every Monday. Adjust the
operation time if required.
If you enable the "Anti-Legionella" function, be careful
not to get burnt when you use DHW in the set time or
not sufficiently cooled (4-5 hours).
) to switch
Description
Check the CH schedule.
Check the DHW schedule.
Operating the Boiler
67

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Ncb700-3s 54k

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