Regulation With Constant Differential Pressure; Regulation With Constant Curve; Expansion Modules; Control Panel - DAB Evoplus small Installationsanweisung Und Wartung

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8.1.2 Regulation with Constant Differential Pressure

In this regulating mode the differential pressure is kept constant,
irrespective of the demand for water,
The Hs set point may be set from the display.
Regulation indicated for:
- Heating and conditioning plants with low load losses.
- Two-pipe systems with thermostatic valves and head ≤ 2 m.
- Single-pipe systems with thermostatic valves.
- Plants with natural circulation.
- Primary circuits with low load losses.
- Domestic water recirculating systems with thermostatic valves on the rising col-
umns.

8.1.3 Regulation with constant curve

In this regulating mode the circulator works on characteristic curves
H
at a constant speed. The operating curve is selected by setting
maximum limit limite massimo
the rotation speed through a percentage factor. The value 100%
indicates the maximum limit curve. The actual rotation speed may
depend on the power and differential pressure limits of your circu-
lator model.
Q
The rotation speed may be set from the display.
Regulation indicated for heating and conditioning plants with constant flow.

8.2 Expansion Modules

EVOPLUS SMALL circulators may be equipped with some expansion modules that allow
their functions to be increased. For details on the procedures for installation, configuration
and use of the expansion modules, see the specific manual.

9. CONTROL PANEL

The functions of EVOPLUS SMALL circulators can be modified by means of the control panel
on the cover of the electronic control device.
navigation keys and 3 LED warning lights (see Figure 5).

9.1 Graphic Display

Using the graphic display it will be possible to navigate in an easy and intuitive menu
which will enable you to check and modify the system operating mode and the working
set-point. It will also be possible to view the system status and the log of any alarms
memorised by the system.
11
On the panel there are: a graphic display, 4

9.2 Navigation Buttons

4 buttons are provided for navigating in the menu: 3 buttons under the display and 1 at
the side. The buttons under the display are called active buttons and the one at the side
is called hidden button. Each page of the menu is made in such a way as to indicate the
function associated with the 3 active buttons (the ones under the display).

9.3 Warning Lights

Yellow light: System live signal.
If lit, it means that the system is live.
Never remove the cover if the yellow light is lit.
Red light: Warning of an alarm/malfunction present in the system.
If the light is blinking it is a non-blocking alarm and the pump can still be controlled. If the
light is fixed it is a blocking alarm and the pump cannot be controlled.
Green light: Pump ON/OFF signal.
If lit, the pump is running. If off, the pump is stopped.
10. MENUS
EVOPLUS SMALL circulators offer a user menu accessible from the Home Page by
pressing and releasing the central "Menu" button.
Below are shown the user menu pages with which it is possible to check the system
status and modify its settings.
If the menu pages show a key at bottom left it means that it is not possible to change the
settings. To unblock the menus go to the Home Page and press the hidden button and
the button under the key at the same time until the key disappears.
If no button is pressed for 60 minutes, the settings are automatically blocked and
the display switches off. When any button is pressed the display lights up again
and the "Home Page" appears.
To navigate in the menus, press the central button.
To return to the previous page, hold down the hidden button, then press and release the
central button.
To modify the settings use the left and right buttons.
To confirm the change of a setting, hold down the central button "OK" for 3 seconds.
Confirmation will be indicated by the following icon: