Setting By Means Of Control Panel, Single-Phase Pumps; Setting Of Head; Setting To Max. Curve Duty; Setting To Min. Curve Duty - Grundfos TPE 2000 Series Installation And Operating Instructions Manual

7. Setting by means of control panel, single-
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, see fig. 25, 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).
3
2
Fig. 25 Control panel, single-phase pumps
Pos. Description
1 Buttons for setting.
2 Indicator lights for indication of operation and fault.
3 Light fields for indication of head and performance.
Setting of control mode
Description of function, see section
Change the control mode by pressing the two setting buttons
simultaneously for 5 seconds. The control mode will change from
constant pressure , to proportional pressure

7.1 Setting of head

Set the 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 26 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. 26 Pump in control mode proportional pressure
1
6.3 Control mode.
or vice versa.
or .
Constant pressure
Figure 27 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. 27 Pump in control mode constant pressure

7.2 Setting to max. curve duty

Press continuously to change to the max. curve of the pump
(top light field flashes). See fig. 28.
To change back, press continuously until the desired head is
indicated.
H
Q
Fig. 28 Max. curve duty

7.3 Setting to min. curve duty

Press continuously to change to the min. curve of the pump
(bottom light field flashes). See fig. 29.
To change back, press continuously until the desired head is
indicated.
H
Q
Fig. 29 Min. curve duty

7.4 Start/stop of pump

Start the pump by continuously pressing
is indicated.
Stop the pump by continuously pressing
fields are activated and the green indicator light flashes.
until the desired head
until none of the light
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