Grundfos TPE 1000 Series Installation And Operating Instructions Manual page 36

13.5.2 "Constant pressure"
Pump variant
TPE, TPED, NBE,
NBGE, NKE, NKGE
TPE, TPED, NBE, NKE
Series 2000
We recommend this control mode if the pump is to
deliver a constant pressure, independently of the flow
in the system. The pump maintains a constant
pressure independently of the flow rate.
H
"Constant pressure"
This control mode requires an external pressure
sensor as shown in the examples below. You can set
the pressure sensor in the Assist menu. See section
"Assisted pump setup".
Examples
• One external pressure sensor.
"Constant pressure"
Controller settings
For recommended controller settings, see
section "Controller" ("Controller settings") .
36
"Constant pressure"
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●
Q
p
p
Related information
13.14 "Controller" ("Controller settings")
13.41 Assisted pump setup
13.5.3 "Constant temperature"
Pump variant
TPE, TPED, NBE,
NBGE, NKE, NKGE
TPE, TPED, NBE, NKE
Series 2000
This control mode ensures a constant temperature.
Constant temperature is a comfort control mode that
you can use in domestic hot-water systems to control
the flow to maintain a constant temperature in the
system. See fig. "Constant
H
"Constant temperature"
This control mode requires an external temperature
sensor. See the examples below.
Examples
• One external temperature sensor.
"Constant temperature"
"Constant temperature"
●
●
temperature".
t
Q
t
t