Grundfos TPE 2000 Series, Инструкция по установке и эксплуатации

Страница: 18 / 880

English (GB)
18
8. Setting by means of control panel, three-
phase pumps
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).
Fig. 30 Control panel, three-phase pumps
8.1 Setting of control mode
Description of function, see section 6.3 Control mode .
Change the control mode by pressing (pos. 2) according to the
following cycle:
• constant pressure,
• proportional pressure,
.
8.2 Setting of head
Set the head by pressing the button or .
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.
Fig. 33 Max. curve duty
Warning
At high system temperatures, the pump may be so
hot that only the buttons should be touched to avoid
burns.
T
M
03
0
1
7
7
43
04
Pos. Description
1 and 2 Buttons for setting.
3 and 5
Light fields for indication of
• control mode (pos. 3)
• head, performance and operating mode (pos. 5).
4
Indicator lights for indication of
• operation and fault
• external control (EXT).
TM
03
90
61
33
07
1 5
4
3
2
TM
03
58
46
40
06
TM
03
58
45
40
06
T
M
03
02
89
47
04
H
Q