28
COMMISSIONING
ENGLIS
H
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 se-
quence.
− 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 “
ac-
tive 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
”.
The available settings are provided below together with the cor-
responding LEDs (B) and (C).
PP1
PP2
PP3
CP1
CP3
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
PP1
PP2
PP3
PP1
LOW proportional head curve
PP2
AVERAGE proportional head curve
PP3
HIGH proportional head curve
Constant head
The circulation unit works at constant head, irrespective of the
heat request. The working point of the circulation unit will move
along the selected curve on the basis of the heat request.
CP1
CP2
CP3
CP1
LOW constant head curve
CP2
AVERAGE constant head curve
CP3
HIGH constant head curve
Constant curve
The circulation unit works at constant speed, irrespective of the
heat request from the system. The working point of the circula-
tion unit will move along the selected curve on the basis of the
heat request.
C1
C2
C3
C4
C1
Curve 1 = 4 metres
C2
Curve 2 = 5 metres
C3
Curve 3 = 6 metres
C4
Curve 4 MAX = 7 metres