cooling flow temp. at +20 °C
Set the desired temperature on the flow temperature to
the climate system during cooling operation when the
outdoor temperature is +20 °C. F1245 then attempts to
get as close to the set temperature as possible.
coolant flow line at +40°C
Set the desired temperature on the flow temperature to
the climate system during cooling operation when the
outdoor temperature is +40 °C. F1245 then attempts to
get as close to the set temperature as possible.
time betw. switch heat/cool
Here you can set how long F1245 is to wait before it re-
turns to heating mode when the cooling demand has
ceased or vice versa.
heat at room under temp.
Caution
This setting option only appears if a room tem-
perature sensor is connected to F1245 and has
been activated.
Here you can set how far the room temperature can drop
below the desired temperature before F1245 switches to
heating operation.
cool at room over temp.
Caution
This setting option only appears if a room tem-
perature sensor is connected to F1245 and has
been activated.
Here you can set how high the room temperature can
increase above the desired temperature before F1245
switches to cooling operation.
17 Setting "step controlled add. heat"
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This part of the start guide is only displayed if the altern-
ative is selected in a previous menu and the accessory is
installed.
start addition
Setting range: -2000 – -30 GM
Default values: -400 GM
diff. between additional steps
Setting range: 0 – 1000 GM
Default values: 100 GM
max step
Setting range (binary stepping deactivated): 0 – 3
Setting range (binary stepping activated): 0 – 7
Default value: 3
Make settings for step controlled addition here. Step
controlled addition is for example an external electric
boiler.
It is possible, for example, when the addition is to start,
to set the maximum number of permitted steps and
whether binary stepping is to be used.
See the accessory installation instructions for function
description.
35Chapter 6 | Commissioning and adjustingNIBE™ F1245
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