Grundfos TPE 1000 Series Installation And Operating Instructions Manual page 39

13.5.7 "Constant level"
Pump variant
TPE, TPED, NBE, NBGE,
NKE, NKGE
TPE, TPED, NBE, NKE
Series 2000
The pump maintains a constant level, independently
of the flow rate.
H
"Constant level"
This control mode requires an external level sensor.
The pump can control the level in a tank in two ways:
• as an emptying function where the pump draws
the liquid from the tank.
• as a filling function where the pump pumps the
liquid into the tank.
The type of level control function depends on the
setting of the built-in controller. See section
"Controller" ("Controller settings").
Examples
• One external level sensor.
emptying function.
L
• One external level sensor.
filling function.
"Constant level"
●
●
Q
"Constant level"
Controller settings
For recommended controller settings, see
section "Controller" ("Controller settings").
Related information
13.14 "Controller" ("Controller settings")
13.5.8 "Constant other value"
Pump variant
TPE, TPED, NBE, NBGE,
NKE, NKGE
TPE, TPED, NBE, NKE
Series 2000
Any other value is kept constant.
13.5.9 "Constant curve"
Pump variant
TPE, TPED, NBE, NBGE,
NKE, NKGE
TPE, TPED, NBE, NKE
Series 2000
You can set the pump to operate according to a
constant curve, like an uncontrolled pump.
You can set the desired speed in % of the maximum
speed in the range from 25 to 100 % (110 %).
L
"Constant other
value"
●
●
"Constant curve"
●
●
39