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ZONE CIRCULATION PUMP.
The device is equipped with two circulator pumps: the circulator
for direct zone 1 and the circulator for mixed zone 2.
• Zone 1 and 2 circulator pump
The pump is ideal for the requirements of each central heating
system in a domestic and residential environment.
In fact, the pump is equipped with electronic control that allows
to set advanced functions.
Adjustment
Press the button on the front to adjust the pump.
By rotation, it is possible to select the following pump control
mode:
- Fixed speed I, II, III.
- Proportional head I, II, III.
- Constant head I, II, III.
Fixed speed
Adjusts the pump speed in fixed mode.
It is possible to set 3 different speeds:
- I: Minimum Speed.
- II: Intermediate speed.
- III: Maximum speed.
N.B.: Factory set speed = Fixed speed III
Proportional head (ΔP-V)
This allows the pressure level (head) to be proportionally redu-
ced as the system heat demand decreases (flow rate reduction).
Thanks to this function, the electric power consumption of
the circulator pump is reduced further: the energy (power)
used by the pump decreases according to the pressure level
and flow rate.
With this setting, the pump guarantees optimal performance
in most heating systems, thereby being particularly suitable in
single-pipe and two-pipe installations.
Any noise originating from the water flow in the pipes, valves
and radiators is eliminated by reducing the head.
Optimal conditions for thermal comfort and acoustic well-
being.
Constant head (ΔP-C)
The circulator pump maintains the pressure level (head)
constant as the system heat demand decreases (flow rate
reduction).
With these settings, the circulator pump is suitable for all floor
systems where all the circuits must be balanced for the same
drop in head.
• Other functions:
- The vent function of the pump is activated by pressing and
holding (3 seconds) the control key and automatically venting
the pump.
This function does not act on the central heating / C.H.
system.
The pump venting function starts and lasts 10 minutes.
The two sets of upper and lower LEDs flash alternately every
1 second.
To interrupt, press the control key for 3 seconds.
- The manual restart is activated by pressing and holding (5
seconds) the control key and releases the pump when needed
(e.g. after prolonged inactivity periods during the summer
period).
- The keyboard block is activated by pressing and holding (8
seconds) the control key and block the pump settings. The
keyboard block protects against unintentional or unautho-
rised pump changes.
Activate the keyboard block by pressing the control key for
8 seconds, until the selected setting LEDs flash briefly and
then release.
The LEDs flash continuously 1 second apart.
If the keyboard block is active, the pump settings can no
longer be modified.
The deactivation of the keyboard block takes place in a similar
manner to the activation.
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