Xylem Lowara ResiBoost MMA Series, Installation, Operation And Maintenance Manual, Page: 36 / 244

Param-
eter
Description Range Unit of
meas-
ure-
ment
Default
function is en-
abled. See
Special func-
tions . Trigger-
ing of the
alarm is de-
layed by the
length of time
set in the MP
TIMER pa-
rameter.
MP DE-
LAY
Delay for di-
agnosing the
MIN.PRESS
condition
1 to 99 sec 20
P.SEN-
SOR
Pressure sen-
sor used
0 to 10
0 to 16 bar 0-16
START
VALUE
This parame-
ter is the val-
ue for starting
the pump af-
ter a stop, cal-
culated as a
percentage of
the required
set point val-
ue.
Example:
SET PRESS =
4.0bar
START VAL-
UE =90% (3.6
bar)
If the pres-
sure in the
system reach-
es the re-
quired pres-
sure of 4.0
bar and there
is no addition-
al consump-
tion, the con-
verter disa-
bles the
pump. As
consumption
increases and
the pressure
decreases,
the converter
turns on the
pump when
the pressure
falls below the
START VAL-
UE of 3.6 bar.
0 to 99 % 90
5.3.2 Advanced menu (ME) parameters
In MANUAL mode and with the LED (10) off:
1. Press and hold (3) and (6) at the same time for
a few seconds. The LED (10) flashes.
2. Press (4) and (5) to edit the value of the param-
eter.
3. Press (6) to confirm and move on to the next
parameter.
4. Press (3) or (6) in sequence to exit the menu.
The LED (10) turns off.
Table 19: Models MMW and MTW
Parame-
ter
Descrip-
tion
Range Unit of
meas-
urement
Default
Pr Propor-
tional co-
efficient
of the
pressure
adjust-
ment al-
gorithm.
10 to 40 N 10
Ac Acceler-
ation
time.
Minimum
time re-
quired
for the
frequen-
cy of the
motor to
go from
minimum
to maxi-
mum fre-
quency.
0 to 20 Hz/sec 9
dc Deceler-
ation
time.
Minimum
time re-
quired
for the
frequen-
cy of the
motor to
go from
minimum
to maxi-
mum fre-
quency.
0 to 20 Hz/sec 9
Ld Select 1
to set the
default
parame-
ters
0 = no
1 = yes
NOTICE:
Editing the parameters can cause the converter to
malfunction. Contact service for assistance.
en - Original instructions
36