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6.5 Humidity
Maximum humidity: 95 %.
If the humidity is constantly high and above 85 %, one of the drain
holes in the drive-end flange must be open. See section
holes.
6.6 Motor cooling
To ensure cooling of motor and electronics, observe the following:
•
Position the motor in such a way that adequate cooling is
ensured. See section
4.4 Ensuring motor
•
The temperature of the cooling air must not exceed 122 °F (50
°C) (for 3 x 380-500 V), or 104 °F (40 °C) (for 1 x 200-230 V or
3 x 200-240 V).
•
Keep cooling fins and fan blades clean.
7. User interfaces
WARNING
Hot surface
Death or serious personal injury
- Only touch the buttons on the display as the
product may be very hot.
WARNING
Electric shock
Death or serious personal injury
- If the control panel is cracked or perforated,
replace it immediately. Contact the nearest
Grundfos sales company.
You can make the pump settings by means of the following user
interfaces:
Control panels
•
Standard control panel.
See section
8. Standard control
•
Advanced control panel.
See section
9. Advanced control
Remote controls
•
Grundfos GO.
See section
10. Grundfos
GO.
If the power supply to the pump is switched off, the settings are
stored.
4.6 Drain
cooling.
panel.
panel.
8. Standard control panel
Pump variant
NBE, NBSE, NKE, TPE, TPED
NBE, NBSE, NKE, TPE, TPED
Series 2000
Stop
Fig. 16 Standard control panel
Pos.
Symbol Description
Grundfos Eye
Shows the operating status of the pump.
1
See section
15. Grundfos Eye
information.
2
-
Light fields for indication of setpoint.
3
Up and down. Changes the setpoint.
Allows radio communication with Grundfos
GO and other products of the same type.
When you try to establish radio
communication between the pump and
Grundfos GO or another pump, the green
4
indicator light in Grundfos Eye on the pump
flashes continuously. Press
control panel to allow radio communication
with Grundfos GO and other products of the
same type.
Makes the pump ready for operation as well
as starts and stops the pump.
Start
If you press the button when the pump is
stopped, the pump only starts if no other
5
functions with higher priority have been
enabled. See section
Stop
If you press the button when the pump is
running, the pump always stops. The "Stop"
text next to the button is on.
Fitted as
Option
standard
-
●
-
-
1
2
3
4
5
for further
on the pump
14. Priority of
settings.
13
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