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EU – 401N User's manual v 1.1.3
III. User menu
III.a)
Home page
During standard operation of the controller, the graphic display shows the main page. Apart from the
selected scheme, the display also shows:
- operation mode (or type of alarm),
- current time,
- collector temperature
- current temperature of the heat tank
- temperature of all additional sensors depending on selected configuration
On the right-hand side of the screen you may see the following icons:
Active operation mode icon
Automatic operation mode
Collector defrost mode
Holiday mode
Collector overheating (alarm
mode)
Sensor damage (alarm mode)
If one of the sensors is damaged, an additional icon
the damaged sensor temperature. The icon indicates which sensor was disconnected or damaged.
Additionally, the pump icon will be displayed on the system scheme (if the pump is
working/rotating) or/and the valve icon will appear (with an indication of current circulation direction).
- 4 -
Icon of active additional device
(peripherals)
Circulating pump
Pellet boiler fire-up (voltage-
free signal)
Heater
Anti-legionella
will be flashing in
the place of
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