Grundfos TPE2 - Automatic Night Setback; Analog Inputs

A flow-limiting function ensures that the flow never
exceeds the entered FLOWLIMIT value.
The setting range for FLOWLIMIT is 25 to 90 % of the
Q
max
of the pump.
The factory setting of the FLOWLIMIT is the flow
where the AUTOADAPT factory setting meets the
maximum curve. See figure FLOWADAPT.
Factory setting
See section Factory settings.
Related information
17.6.2 FLOWADAPT
35. Factory settings
17.9 Automatic Night Setback
Pump variant Automatic Night Setback
TPE3, TPE3 D ●
TPE2, TPE2 D -
Once you have enabled automatic night setback, the
pump automatically changes between normal duty
and night setback, duty at low performance.
Changeover between normal duty and night setback
depends on the flow-pipe temperature.
The pump automatically changes over to night
setback when the built-in sensor registers a flow-pipe
temperature drop of more than 10 to 15 °C within
approximately two hours. The temperature drop must
be at least 0.1 °C/min.
Changeover to normal duty takes place without a time
lag when the temperature has increased by
approximately 10 °C.
You cannot enable automatic night setback when the
pump is in constant-curve mode.
Factory setting
See section Factory settings.
Related information
35. Factory settings
17.10
Analog inputs
Pump variant Analog inputs
TPE3, TPE3 D ●
TPE2, TPE2 D ●
Function
Terminal
2)
Analog input 1, setup 4
Analog input 2, setup 7
Analog input 3, setup 14
2)
See section Connection terminals, advanced functional
module, FM 300.
Set the analog input for a feedback sensor via the
Assisted pump setup menu. See section Assisted
pump setup.
If you want to set an analog input for other purposes,
you can do this manually.
You can set the analog inputs via the Setup, analog
input menu. See section Setup, analog input.
If you perform the manual setting via Grundfos GO,
you need to enter the menu for the analog input
under the Settings menu.
Function
You can set the analog inputs to these functions:
• Not active.
• Feedback sensor
Sensor used for the selected control mode.
• Ext. setpoint infl.
See section External setpoint function.
• Other function.
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