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Description of the controller functions
max
NOTE
22
7 Description of the controller functions
7.1
Switch-on / switch-off temperature difference
The controller constantly compares the temperatures between the
collector (T1) and the lower area of the storage tank (T2). As soon
as the temperature in the collector (T1) is 8 K (adjustable in setup
–> P2 [K]) higher than the temperature in the storage tank (T2),
and if no safety limits prohibit the pump from operating, the pump
is switched on.
The following display appears:
•
The pump symbol is displayed
C
If the temperature difference falls below 4 K (adjustable in setup
–> P3 [K]), the pump is switched off. The pump symbol is no
longer shown in the display.
7.2
Maximum storage tank temperature
The maximum storage temperature function is to prevent the hot
water tank from overheating. If the lower area of the storage
tank (T2) reaches the set maximum storage tank temperature
(factory setting of 60 °C, –> P1), charging is stopped.
A temperature of 3 K below the maximum storage tank
temperature must first be reached before charging can be
resumed.
The following display appears:
C
•
The display flashes "max"
•
The display only shows "max" when temperature sensor T2 is
also selected.
ASC02-01WM
EN2B-0365GE51 R0710
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