Setting By Means Of Control Panel, Three-Phase Pumps; Setting Of Control Mode; Setting Of Pump Head; Setting To Max. Curve Duty - Grundfos TPE 2000-Serie Installationsanleitung

8. Setting by means of control panel,
three-phase pumps
Warning
At high system temperatures, the pump may be
( ( (
___
) ) ) so hot that only the buttons should be touched to
avoid burns.
The pump control panel incorporates the following buttons and
indicator lights:
• Buttons, and , for setpoint setting.
• Light fields, yellow, for indication of setpoint.
• Indicator lights, green (operation) and red (fault).
5
4
3
Fig. 30 Control panel, three-phase pumps, 0.55-22 kW
Pos. Description
1 and 2 Buttons for setting.
Light fields for indication of
3 and 5 • control mode (pos. 3)
• head, performance and operating mode (pos. 5).
Indicator lights for indication of
4 • operation and fault
• external control (EXT).

8.1 Setting of control mode

Description of function, see section 6.3 Control mode.
Change the control mode by pressing
following cycle:
• constant pressure,
• proportional pressure, .
1
2
(pos. 2) according to the

8.2 Setting of pump head

Set the pump head by pressing the button
The light fields on the control panel will indicate the head set
(setpoint). See the following examples.
Proportional pressure
Figure 31 shows that the light fields 5 and 6 are activated,
indicating a desired head of 3.4 metres at maximum flow.
The setting range lies between 25 % to 90 % of maximum head.
Fig. 31 Pump in control mode proportional pressure
Constant pressure
Figure 32 shows that the light fields 5 and 6 are activated,
indicating a desired head of 3.4 metres. The setting range lies
between 1/8 (12.5 %) of maximum head and maximum head.
Fig. 32 Pump in control mode constant-pressure

8.3 Setting to max. curve duty

Press continuously to change to the max. curve of the pump
(MAX illuminates). See fig. 33.
To change back, press continuously until the desired head is
indicated.
H
Fig. 33 Max. curve duty
or .
Q
19