NIBE FIGHTER 1250
2.0 Flow temperature
Hot water heating
Menu 2.1 Curve coeffcient [N]
The selected curve slope (heating curve) is shown here. At
value 0, the function “Own curve” is activated, see menu
2.6.0.
The value can be set between curves 0 and 15.
- Factory setting: 9
Menu 2.2 Offset heating curve [N]
The selected heating curve offset is shown here.
Note! The value is changed using the “Heating curve off-
set” knob.
The value can be set between -10 and +10.
- Factory setting: 0
Menu 2.3 Flow temp./Min [E]
The set minimum level for the supply temperature to the
heating system is shown here.
The calculated fl ow temperature never drops below the set
level irrespective of the outdoor temperature, curve slope
or offset heating curve.
The value is adjustable between 2 and 80 °C
- Factory setting: 15 °C
Menu 2.4 Flow temp./Max [E]
The set maximum level for the supply temperature to the
heating system is shown here.
The calculated supply temperature never exceeds the set
level irrespective of the outdoor temperature, curve coeffi -
cient or offset heating curve.
The value is adjustable between 10 and 80 °C
- Factory setting: 55 °C
Menu 2.5 External adjustment [E]
Connecting an external contact, see “Electrical connections
- External contacts”, for example, a room thermostat (ac-
cessory) or a timer allows you to temporarily or periodically
raise or lower the room temperature. When the external
contact is made, the heating curve offset is changed by the
number of steps shown here.
The value can be set between -10 and +10.
- Factory setting: 1
Menu 2.6.0 Own curve defi nition [E]
Here you can select your own curve defi nition. This is an
individual linear curve with one break point. You select a
break point and the associated temperatures.
Note! The “Curve coeffi cient” in menu 2.1 must be set to
0 to activate this function.
Menu 2.6.1 Flow temp.at +20ºC [E]
The fl ow temperature at an outside temperature of +20°C
is chosen here. The value is adjustable between 0 and
60°C.
- Factory setting: 15 °C
Menu 2.6.2 Flow temp.at -20ºC [E]
The supply temperature at an outside temperature of -20 is
selected here.
The value is adjustable between 0 and 60 °C
- Factory setting: 35 °C
Menu 2.6.3 Set temperature [E]
Here you select at what outside temperature the break
point shall occur.
The value is adjustable between -15 and +15 °C
- Factory setting: 0 °C
Menu 2.6.4 Flow temp at set [E]
You set the required fl ow temperature for the break point
here.
The value is adjustable between 0 and 60 °C
- Factory setting: 20 °C
Menu 2.6.5 Return [E]
Pressing the enter button returns you to Menu 2.6.0
Menu 2.7 Circ-pump cont.heat [E]
The speed of the heating medium pump during house
heating is selected here.
The value is adjustable between 1 and 100 %
- Factory setting: 100 %
Menu 2.8 Heat in-/out- temp. [E]
The current actual fl ow and return line temperatures are
shown here.
Menu 2.9 Degree minutes [E]
Current value for number of degree-minutes. For example,
this value can be changed to accelerate the start of heating
production.
The value is adjustable between -800 and 100.
Menu 2.10 Return [N]
Pressing the enter button returns you to Menu 2.0
Control
E
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