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ENGLISH
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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 set-
tings
” 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
”.
The available settings are provided below together with the corre-
sponding LEDs (B) and (C).
PP1
PP2
PP3
CP1
CP2
CP3
CC1
CC2
CC3
CC4
LED 1
green
LED 2
yellow
LED 3
yellow
LED 4
yellow
LED 5
yellow
LED 1
green
LED 2
yellow
LED 3
yellow
LED 4
yellow
LED 5
yellow
LED 1
green
LED 2
yellow
LED 3
yellow
LED 4
yellow
LED 5
yellow
Proportional head
Constant curve
Constant head
Curve 1
Curve 2
Curve 3
Curve 1
Curve 2
Curve 3
Speed 1
Speed 2
Speed 3
MAX speed
factory settings
Proportional head
The circulation unit works on the basis of the heat request made by
the system. The working point of the circulation unit and the selected
proportional head curve move on the basis of the heat request.
Summary of Contents for 20083971
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