Manual Control - Grundfos AR Serie Montage- Und Betriebsanleitung

8.6.2 Manual control

Dosing with manual on/off and manually adjustable dosing
flow
In this operating mode, all the settings are entered on the pump
by the operator.
Use the "Start/Stop" button to start or stop the pump.
Use the "Up" and "Down" buttons to increase or decrease the
stroke frequency. This can be done when the pump is stopped or
when it is running.
Manual
Run
Fig. 20 Display: stroke frequency
The maximum displayed stroke frequency is automatically set
according to the mains frequency and the gear ratio.
8.6.3 Contact signal control with multiplier 1:n
The pump must be started first in this operating
mode (LED lights up green, "Run" appears in the
Note
display).
Use the "Start/Stop" button to start or stop the pump.
Use the "Up" and "Down" buttons to increase or decrease the
multiplier setting in the first function level.
0:45
1:n
Fig. 21 Display: 45 strokes per pulse
• When the pump receives a signal (e.g. from a water meter with
reed contact output), it performs the set number of dosing
strokes.
In the example n = 45, i.e. 45 strokes per contact.
n can be set between 0 and 999.
• If the pump receives more contact signals than the number
corresponding to the maximum stroke value, it runs in
continuous operation with maximum stroke frequency.
The maximum stroke frequency must not be exceeded.
18
120
1/min
Contact
8.6.4 Contact signal control with divisor n:1
The pump must be started first in this operating
mode (LED lights up green, "Run" appears in the
Note
display).
Use the "Start/Stop" button to start or stop the pump.
Use the "Up" and "Down" buttons to increase or decrease the
divisor setting in the first function level.
n:1
Fig. 22 Display: 45 strokes per pulse
• When the pump receives the set number of pulses via the
contact input (e.g. from a water meter with reed contact
output), it performs a dosing stroke.
In the example n = 45, i.e. 45 contacts per pulse.
n can be set between 0 and 999.
• If the pump receives more pulses than the number
corresponding to the maximum stroke value, it runs in
continuous operation with maximum stroke frequency.
The maximum stroke frequency must not be exceeded.
Memory function / excess contact signals
Contact signals, which cannot be processed immediately, can be
stored and subsequently made available to the pump for
processing. A maximum of 65,000 contact signals can be stored.
• Without memory: If the pump is running when a contact
signal is received, the signal is ignored. The pump performs
the current dosing, then it is again ready to receive new
contact signals, i.e. it rejects excess contacts.
• With memory: If the pump is running when a contact signal is
received, the signal is stored in the memory. First, the pump
performs the current dosing, then it processes the contact
signals from the memory.
The contents of the memory are deleted:
• by switching off the power supply
• by switching the operating mode.
The contents of the memory are not deleted:
• by actuating the remote on/off contact
• by pressing the "Start/Stop" button
• by continuous operation.
The memory function can be enabled and disabled in
Note
the second function level.
Contact
45:0