Nibe SCU 10 - Difference Control Function (Diff. Controls); Protection Functions; Service

Difference control Function (Diff. controls)
(Only available if extra function "diffcontrol" is selected in
menu "Extra")
Varm tank TW
Kall tankTC
MinVarm
tank
MaxKall
Tank
Extra P3
dTMin
dTMax
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Max cold tank
႑
Maximum temperature in the cold tank. If (T3 = TC) ex-
ceeds this value, the function stops. (Adjustable 15 °C to
95 °C with default value 65 °C.)
Min hot tank
Minimum temperature in the hot tank. If (T4 = TW) falls be-
low this value, the function stops. (Adjustable 0 °C to 95 °C
with default value 15 °C.)
dTMax
Temperature difference between the hot and cold tank when
pump (P3) starts. (Adjustable 3°C to 40 °C with default value
10 °C.)
dTMin
Temperature difference between the hot and cold tank when
pump (P3) stops. (Adjustable 2 °C to 30 °C with default value
5 °C.)
Protection functions
Temp boil
Stops the charge pump at set value on the solar panel. This
is to prevent steam build up in the solar circuit.
Default value 140 °C.
Cooling coll.
If the temperature in the solar panel exceeds the set value,
the charge pump starts to cool the collector, even if the tar-
get temperature (set temp) in the tank is achieved. This
continues until the tank temperature reaches 95 °C.
Cool. tank start/Cool. tank stop
If the tank temperature has reached the target temperature
(set temp) and the solar panel has reached above "cooling
collector", the heat in the tank will be transferred to the
collector again, when the collector temperature then falls
again below the set value "Cooling start". This continues
until the tank temperature goes down to "Cooling stop".
Service
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Language
႑
To select the row "English" press (+)or(-). Then press
to activate the menu row.
႑
You can now switch language by pressing (+)or(-).
Available languages are English, Deutsch, Français,
Svenska, Español, Dansk, Suomi.
System
When you have selected the row "System", press
to enter
the sub menu. There are five different systems to choose
between, with different options for adding extra functions.
႑
In the “Service” menu you can change the time base on
the graph.
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Press (+)or(-) and select row “Time graf temp”. Then
press
to activate the menu choice.
႑
The time base is changed using (+) and (-). (Adjustable 1
to 60 minutes with default value 5 minutes.)
႑
To return to the main menu press a few times.
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The menu “Service” changes the time base in the opera-
tion graphs.
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To select the row "Time graf op" press (+)or(-). Then
press
to activate the menu choice.
႑
The time base is changed using (+) and (-). (Adjustable 1
to 48 hours with default value 1 hour)
႑
Press a few times to return to the main menu.
SCU 1012
For the Installer
Menu Settings