9
ENGLISH
3.12.5 Key lock function
The purpose of the key lock function is to prevent accidental modifications
to the settings or the improper use of the circulator.
When the key lock function is activated, long-pressing the button (
A
) is
prevented. This prevents the user from entering the circulator’s operating
modes setting section. Enabling/disabling the key lock function is achieved
by pressing the button (
A
) for more than 10 seconds. During this step all of
the LEDs (
C
) will flash for 1 second.
3.12.6
Changing the operating mode
In normal operating conditions the circulator works with the factory settings
or the last settings carried out.
To change the configuration:
Ensure that the key lock function is deactivated.
Press the button (
A
) for more than 2 seconds until the LEDs begin to flash.
Short-press the button (
A
) within 10 seconds and the user interface will move
on to display the next settings. The various available settings will appear in a
cyclic sequence. If the button (
A
) is not pressed, the last setting will be stored.
A
Operating status display
B
Settings display
C
Settings
A
B
C
If the button (
A
) is pressed you can move back to the “active settings display”
again and check that the LEDs (
B
) and (
C
) indicate (for 2 seconds) the last
setting carried out.
If the button (
A
) is not pressed for more than 2 seconds the user interfaces
switches to the “Operating status display”.
The available settings are shown in figure along with the related representation
of LED (
B
) and (
C
).
(*)
LED 1
R
LED 2
G
LED 3
G
LED 4
G
LED 5
G
(*) Factory set value
R red
G yellow
IMPORTANT
If the 3 (5 metres) or 4 (4 metres) curves are set the bypass must be replaced
with the one supplied, following the procedure indicated below:
Remove boiler electrical power by setting the system’s main switch to off.
Close the system taps and empty the boiler heating circuit.
Extract the bypass body cover fixing spring (
D
).
Extract the bypass body cover (
E
).
Replace the bypass valve (
F
) with the one included.
Refit the bypass body cover and its spring.
D
F
E
25C - 30C
D
F
E
35C - 42C
