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Montage- und Betriebsanleitung / User manual
VXe SLS
© Danfoss | Produced by Danfoss Redan A/S | 2022.03 | 21
AQ40514397064001-000101
145X2068
Check the pump setting by pressing the button once
(one constant pessure). The LEDs will briefly (2 sec.)
show the pump setting before changing back to show-
ing the power consumption.
See fig. 3 - Pump setting view.
If the pump setting does not give the desired distribu-
tion of heat in
the rooms of the house, change the pump setting.
See fig. 3 - Pump setting view.
Before starting the setting, make clear what the dis-
play should show for the new setting (
see fig. 3
).
To change the pump setting, choose the setting you
want (see fig. 3), press the button down for more than
2 seconds (less than 10) and the pump switches to
setting selection, the LEDs start flashing and display
the current setting. Then press the button until the
LEDs shows the desired setting. The LEDs flash and
when they stop the new setting is saved. The LEDs
return to show power cunstumption.
Please note
that if the LEDs do not flash after 2 sec-
onds, possibly the pump setting is locked. To unlock,
press the button down for more than 10 seconds. LEDs
will flash and the pump is unlocked. To lock the pump,
repeat the procedure.
For more information, se enclosed Grundfos in-
structions.
Alarm status
In case the 1st LED is red the pump has detected one
or more alarms.
See fig. 4 - Alarm status
.
When there is no active alarm anymore the user inter-
face switches back to operation mode shortly and then
showing power consumption.
Fig. 4. Alarm status
Fig. 3. Pump setting view
Function
Blocked
Supply voltage low
Electrical error
12. HEATING CIRCUIT, PUMP
Funktion
Application
Pump mode
PROPORTIONAL
PRESSURE
AUTO ADAPT
- Two-pipe systems
CONSTANT
PRESSURE
AUTO ADAPT
- One-pipe systems
- Floor heating
PROPORTIONAL
PRESSURE 1
- Two-pipe systems
small systems
PROPORTIONAL
PRESSURE 2
- Two-pipe systems
middle-sized system
PROPORTIONAL
PRESSURE 3
- Two-pipe systems
large systems
CONSTANT
PRESSURE 1
- One-pipe systems
- Floor heating
small systems
CONSTANT
PRESSURE 2
- One-pipe systems
- Floor heating
middlesized- systems
CONSTANT
PRESSURE 3 -
MAX.
- Floor heating
- One-pipe systems
large systems
CONSTANT
CURVE 1
- One-pipe systems
- Charging systems
small systems
CONSTANT
CURVE 2
- One-pipe systems
- Charging systems
middle-sized systems
CONSTANT
CURVE 3 - MAX.
- One-pipe systems
- Charging systems
- Venting of installation
large systems