30 System Details
4.4.7.3 Setting the DHW Operation
To set the boiler’s DHW operation, press the Menu button (
),
and then select “3. DHW Operation”.
Press the Up button (
) or the Down button (
) to switch
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
Description
1. DHW Set Temp
Set the DHW temperature.
●
Setting range: 30 – 65°C
●
Default: 50°C
2. DHW Preheat
Activate the DHW preheat
function.
Note
If the DHW preheat
function is activated
by room controller,
“Unable to Set” will
be displayed.
3. Anti-Legionella
Activate the Anti-Legionella
function and schedule
The graph shows how the set temperature is determined.
K-factor values can be set using the front panel.
20 15
10
5
0
-10 -15 -20 -25
-5
20
30
40
50
60
50
70
80
90
4 3.5 3
2.5
2
1.5
1.2
0.6
1
0.2
Outdoor Temperature (ºC)
Outdoor Temperature Compensation
Heating flow temperature
(º
C
)
If there is an input from the outdoor temperature sensor, OTC
(Outdoor Temperature Compensation) control will be enabled
automatically. Also, if there is no input from the outdoor
temperature sensor, OTC control will be disabled automatically.
Setting the CH Schedule
When setting up the CH option, select ‘Weekly,’ and select
between 1 Day, 3 Day, and 7 Day to go to the Schedule menu.
Working
Not working
Press the Up button (
) or the Down button (
) to choose
the scheduled time. You can choose the time in 30 minutes
intervals.
Summary of Contents for NCB500-2S/37K
Page 3: ......
Page 4: ...Revisions 3 Version Description of changes Date 1 00 First issue September 7 2022 Revisions...
Page 115: ...Memo...
Page 116: ...Memo...
Page 117: ...Memo...
Page 118: ...Memo...
