Grundfos MAGNA3 D 32-80 180 97924451 [34/1656] Flowlimit
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Grundfos MAGNA3 D 32-80 180 97924451 [34/1656] Flowlimit

Grundfos MAGNA3 D 32-80 180 97924451 [34/1656] Flowlimit
English (GB)
34
8.6.5 "FLOWLIMIT"
Navigation
"Home" > "Settings" > "FLOWLIMIT"
"FLOW
LIMIT
"
•"Enable FLOWLIMIT function"
•"Set FLOWLIMIT".
Setting:
1. To enable the function, select "Active" with or and press
[OK].
2. To set the FLOW
LIMIT
, press [OK].
3. Select digit with and and adjust with or .
4. Press [OK] to save.
Fig. 46 FLOW
LIMIT
You can combine the FLOW
LIMIT
function with the following
control modes:
•"Prop. press."
•"Const. press."
•"Const. temp."
•"Constant curve".
A flow-limiting function ensures that the flow never exceeds the
entered FLOW
LIMIT
value.
The setting range for FLOW
LIMIT
is 25 to 90 % of the Q
max
of the
pump.
The factory setting of the FLOW
LIMIT
is the flow where the
AUTO
ADAPT
factory setting meets the maximum curve. See fig.
36.
8.6.6 "Automatic Night Setback"
Navigation
"Home" > "Settings" > "Automatic Night Setback"
"Automatic Night Setback"
To enable the function, select "Active" with or and press
[OK].
Once you have enabled automatic night setback, the pump
automatically changes between normal duty and night setback,
i.e. duty at low demand. The changeover 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.
3.1.5.0.0.0 FLOW
LIMIT
TM05 2445 1212
H
Q
Q
max
Q
limit
90 %
Q
max
25 %
Setting range
3.1.6.0.0.0 Automatic Night Setback

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