4 | Parameters overview
66 B1820023_en | Service handbook Lambdatronic H 3200 - T4e
Speed, distributor 2 ...4 pump
Prerequisite: Variant 2 or variant 3 and pump for
distributor 2 ... 4 installed
Display of the current speed of the distributor 2 … 4
pump.
4.9.2 Network pump - Temperatures
Network return setpoint
Prerequisite: Network pump installed
The network return setpoint is regulated to the value set
here. When the network return temperature reaches the
specified value, the network pumps starts up at minimum
speed.
Return temperature setpoint distributor 1
Prerequisite: Variant 1 and pump for distributor 1
installed
The return temperature from distributor 1 is regulated to
the value set here. When the return temperature from
distributor 1 reaches the specified value, the pump for
distributor 1 starts up at minimum speed.
Return temperature setpoint distributor 2 ... 4
Prerequisite: Variant 2 or variant 3 and pump for
distributor 2 ... 4 installed
The return temperature from distributor 2 ... 4 is regulated
to the value set here. When the return temperature from
distributor 2 reaches the specified value, the pump for
distributor 2 ... 4 starts up at minimum speed.
4.9.3 Network pump - Service
Switch on the network pump only when required
by the buffer tank (variant 3 / 4)
Prerequisite: Variant 3 or variant 4
▪ NO: The network pump is activated as soon as a
consumer in the hydraulic system requires heat.
▪ YES: The network pump is only activated when one or
more layered tanks require heat.
NOTICE!Parameter only relevant if a layered tank is
installed in all buildings to be supplied!
Sensor input of network return temperature sensor
Sensor input to which the sensor for the network return
temperature is connected.
Pump output of network pump
Pump outlet to which the network pump is connected.
Control of network pump
Definition of control signal for pump type used.
Ü "Activation options of pump outlets" [}96]
Minimum speed of the network pump
Adjustment of the minimum speed to the pump type (set
mode of pump in accordance with pump manufacturer).
Maximum speed of the network pump
If for system operation reasons you need to limit the
maximum speed for the network pump you can do so by
adjusting this parameter.