CR, CRI, CRN, CRE, CRIE, CRNE
12
Control of E-pumps
Control options of E-pumps
Communication with CRE, CRIE, CRNE pumps is
possible by means of
• a central management system,
• remote control (Grundfos R100) or
• a control panel.
The purpose of controlling an E-pump is to monitor and
control the pressure, temperature, flow and liquid level
of the system.
Central management system
Communication with the E-pump is possible even
though the operator is not present near the E-pump.
Communication is enabled by having connected the
E-pump to a central management system allowing the
operator to monitor and change control modes and
setpoint settings of the E-pump.
Fig. 6 Structure of a central management system
Remote control
The R100 remote control produced by Grundfos is
available as an accessory.
The operator communicates with the E-pump by
pointing the IR-signal transmitter at the control panel of
the E-pump terminal box.
Fig. 7 R100 remote control
On the R100 display it is possible to monitor and
change control modes and settings of the E-pump.
Control panel
The control panel of the E-pump terminal box makes it
possible to change the setpoint settings manually.
Fig. 8 Control panel on CRE pump
Control modes for E-pumps
Grundfos offers CRE, CRIE and CRNE pumps in two
different variants:
• CRE, CRIE and CRNE with integrated pressure
sensor
• CRE, CRIE and CRNE without sensor.
CRE, CRIE, CRNE with integrated pressure sensor
CRE, CRIE and CRNE pumps with integrated pressure
sensors are suitable for applications where you want to
control the pressure after the pump, irrespective of the
flow. For further information, see the section Examples
of E-pump applications on page 11. Signals of pressure
changes in the piping system are transmitted
continuously from the sensor to the pump.
TM06592 1103
LON-bus connection
GENIbus connection
E-pump
G10-LON
Interface
TM00 4498 2802TM00 7600 1196
Light fields
Buttons
Indicator lights
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