4 | Parameters overview
72 B1820023_en | Service handbook Lambdatronic H 3200 - T4e
4.11.4 Difference regulator - Service
System menu Difference regulator
Pump output of diff. control pump
Pump outlet to which the pump of the differential controller
is connected.
Control of diff. control pump
Definition of control signal for pump type used.
Ü "Activation options of pump outlets" [}96]
Minimum pump speed
Adjustment of the minimum speed to the pump type (set
mode of pump in accordance with pump manufacturer).
Maximum pump speed
If for system operation reasons you need to limit the
maximum speed of the pump of the differential controller
you can do so by adjusting this parameter.
Sensor input of heat source sensor
Sensor input to which the heat source sensor is
connected.
Sensor input of heat sink sensor
Sensor input to which the heat sink sensor is connected.
Sensor monitoring
▪ YES: If temperatures around freezing point occur, an
error message appears on the display.
▪ NO: The error messages of the differential controller
sensor are suppressed.
4.12 Circulation pump
4.12.1 Circulation pump - Status
Return temperature in circulation line
Display of the current temperature at the return feed
sensor of the circulation line.
NOTICE!If the parameter “Return sensor present” is
set to “NO”, 0°C is permanently displayed.
Flow switch on the domestic hot water line
▪ 0: Flow switch detects no flow
▪ 1: Flow switch detects flow
If the flow sensor is implemented as a push-button:
▪ 0: The button is not pressed
▪ 1: The button is pressed
Speed of the circulation pump
Specifies the current speed of the circulation pump.