Menu 4.9.1 - op. prioritisation
op. prioritisation
Setting range: 0 to 180
Default value: 20
Choose here how long the heat pump should work with
each requirement if there are two or more requirements
at the same time. If there is only one requirement the
heat pump only works with that requirement.
The indicator marks where in the cycle the heat pump is.
If 0 minutes is selected it means that requirement is not
prioritised, but will only be activated when there is no
other requirement.
Menu 4.9.2 - auto mode setting
start cooling
Setting range: -20 – 40 °C
Default value: 25
stop heating
Setting range: -20 – 40 °C
Default values: 20
stop additional heat
Setting range: -20 – 40 °C
Default values: 15
filtering time
Setting range: 0 – 48 h
Default value: 24 h
When operating mode is set to "auto“ the heat pump
selects when start and stop of additional heat and heat
production is permitted, dependent on the average out-
door temperature. If accessories for cooling are present
or if the heat pump has the integrated cooling function
you can also select the start temperature for cooling.
Select the average outdoor temperatures in this menu.
You can also set the time over which (filtering time) the
average temperature is calculated. If you select 0, the
present outdoor temperature is used.
Caution
It cannot be set "stop additional heat" higher
than "stop heating".
Caution
In systems where heating and cooling share the
same pipes "stop heating" cannot be set higher
than "start cooling".
Menu 4.9.3 - degree minute setting
current value
Setting range: -3000 – 3000
start compressor
Setting range: -1000 – -30
Default value: -60
start addition
Setting range: -2000 – -30
Default value: -400
diff. between additional steps
Setting range: 0 – 1000
Default value: 100
Degree minutes are a measurement of the current heating
requirement in the house and determine when the com-
pressor respectively additional heat will start/stop.
Caution
Higher value on "start compressor" gives more
compressor starts, which increases wear in the
compressor. Too low value can give uneven in-
door temperatures.
Menu 4.9.4 - factory setting user
All settings that are available to the user (including ad-
vanced menus) can be reset to default values here.
Caution
After default setting, personal settings such as
heat curves must be reset.
NIBE™ F1245Chapter 8 | Control - Menus58
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