31
31
ENGLISH
Indication of the operating status
When the circulation unit is operating, the LED (B) is green The four
yellow LEDs (C) indicate the consumption of electrical energy (P1) as
shown in the table below.
LED status
CIRCULATION UNIT
status
Consumption
in % of
P1 MAX (*)
Green LED on +
1 yellow LED on
Operation at minimum
0-25
Green LED on +
2 yellow LED on
Operation at
minimum-average
25-50
Green LED on +
3 yellow LED on
Operation at
average-maximum
50-75
Green LED on +
4 yellow LED on
Operation at maximum
100
(*)
For the power (P1) absorbed by the individual circulation unit,
please refer to the information provided in the table
“Technical
data” a pagina 21.
Indication of the alarm status
If the circulation unit has detected one or more than one alarm, the
two-colour LED (B) is red. The four yellow LEDs (C) indicate the type
of alarm as shown in the table below.
LED status
ALARM
description
CIRCULA-
TION UNIT
status
Possible
SOLUTION
Red LED
on +
LED 5 yellow
on
Motor shaft is
blocked
Attempt start-
up every 1.5
seconds
Wait or release
motor shaft
Red LED
on +
LED 4 yellow
on
Low input
voltage
Warning only.
The circulation
unit continues
to operate
Check the
input voltage
Red LED
on +
LED 3 yellow
on
Fault in the electri-
cal power supply
or faulty circulation
unit
The circulation
unit is not
moving
Check the
electrical
power supply
or replace the
circulation unit
b
If more than one alarm activates, the circulation unit will only
display the alarm with the highest priority.
Active settings display
With the circulation unit powered, briefly press the button (A) to see
the active configuration of the circulation unit. The LEDs indicate the
active settings.
No changes can be made to the configuration of the circulation unit in
this phase. Two seconds after having pressed the button (A), the user
interface once again shows the normal display of the operating status.
Button lock function
The button lock function is used to prevent any setting modification
being made accidentally or improper use of the circulation unit.
When the button lock function is active, it is not possible to press and
hold the button (A). This prevents from entering the settings section of
the circulation unit operating modes.
Pressing the button (A) for more than 10 seconds enables/disables
the button lock function. During this passage, all LEDs (C) flash for
1 second.
> 10 s
Changing the operating mode
In normal operating conditions, the circulation unit operates with the
factory settings or the last settings made.
To change the configuration:
- Make sure that the button lock function is disabled
- Press the button (A) for more than 2 seconds until the leds begin
to flash. Briefly press the button (A) and within 10 seconds the
user interface will change to display the next series of settings.
The settings available will appear in sequence
- If the button (A) is not pressed, the last setting selected will be
stored.
-
10 s
2 s
> 2 s
setting
x
operating
status
display
setting
display
By pressing the button (A), it will be possible to go to “
active
settings
” again and check that the LEDs (B) and (C) indicate,
for 2 seconds, the last setting made
- If the button (A) is not pressed for more than 2 seconds, the user
interface will show “
operating status
”.
