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12.2.4 Regulating mode
In circulators with no external PWM or LIN BUS control, the selection button
the factory setting.
If no buttons are pressed for 30 seconds, the LEDs relating to the height of the set curve switch off; the remaining LEDs stay on but
are dimmed; when the selection button is next pressed all LEDs switch back on.
The button lock function can be activated by pressing it for 10 seconds; press the button again for 10 seconds to re-enable it.
This function is not available on all EVP OEM models.
In circulators managed by external control, the pump's adjustment curve cannot be set manually but will be displayed on the interface
via the combinations of LEDs illustrated below.
NO CONTROL
LED steady
1
Proportional differential pressure
Factory settings
7
LED flashing
2
3
8
9
Constant curve
ENGLISH
is used to navigate through the menu, starting from
4
Constant differential pressure
10
52
5
6
11
12
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