Grundfos ALPHA - Control Functions; Operating Panel; Control Modes

9. Control functions
9.1 Operating panel
LED symbols and buttons on the pump display
ALPHA
GPM
ft
W
Zone
Pump
Zone
Valve
1
2
3
4
5
8
9
6
7
TM082425
Pos. Description
1
Grundfos mini Eye
The indicator light shows the operating status of the
product.
2
Connect
If lit, the pump is connected to Grundfos GO via
Bluetooth.
3
Settings for control modes
Use the arrows to toggle between I, II, III and
AUTOADAPT.
4
Control mode
You can select the control mode constant pressure (zone
valve) or constant curve (zone pump).
5
Unit
The indicator light shows the unit used for the number to
the left. W = Watt, ft = feet and GPM = gallons per
minute.
6
Lock
This indicates that the operating panel is locked and no
buttons can be used. It automatically locks after a few
seconds. To unlock the panel, push and hold the icon for
1 second.
7
Settings for the selected control mode
I, II, III or AUTOADAPT
8
Grundfos GO
The pump has been set via Grundfos GO.
9
The light field indicates:
• Power consumption [W]
• Head [ft]
• Flow rate [gpm]
• Spinner
• Error code.
The operating panel has a touchscreen which means you can
change settings by touching the icons on the operating panel.
Due to interference of the touchscreen, keep a distance of
minimum 5 mm from the front of the operating panel to all
conductive materials, for example, metal cabinets and
cables.
Related information
9.2 Light fields indication
9.3.1 Constant curve (zone pump)
9.3.2 Constant curve (zone pump), AUTOADAPT
9.3.3 Constant pressure (zone valve)
9.3.4 Constant pressure (zone valve), AUTOADAPT
9.2 Light fields indication
The LEDs indicate the control mode, setting and operating status.
Factory setting
The pump is factory set to constant curve (zone pump),
AUTOADAPT.
Active light fields Description
The control mode is set via Grundfos GO.
When the pump is set via Grundfos GO, the
icon is lit and the modes and settings on the
operating panel are turned off.
Constant pressure (zone valve)
Constant curve (zone pump)
Setting I
Setting II
Setting III
The pump is running.
1
Warning
1
Alarm
Spinner
The pump is unavailable for changes to
settings. The pump is still running.
The spinner icon appears during software
update and dry running.
1
The rotation of Grundfos mini Eye follows the direction of rotation of the
impeller. The impeller in ALPHA rotates counterclockwise.
Related information
8.2 Dry-running protection
9.1 Operating panel
13
English (US)