Lowara ResiBoost MMW Manuel D'installation Et D'entretien page 37

Param- Description
eter
A1 if parame-
ter EXT.LOW
WATER=YES
and the elec-
trical contact
is open.
SET Set the re-
PRESS quired pres-
sure value of
the system
(set point)
MIN.PR Pressure val-
ESS ue of the sys-
tem below
which the A4
"minimum
pressure"
alarm is trig-
gered. When
the alarm is
triggered, the
pump stops
and the ART
function is en-
abled. See
Special func-
tions on page
39. Trigger-
ing of the
alarm is de-
layed by the
length of time
set in the MP
TIMER pa-
rameter.
MP DE- Delay for di-
LAY agnosing the
MIN.PRESS
condition
P.SEN- Pressure sen-
SOR sor used
START This parame-
VALUE 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)
Range Unit of Default
meas-
ure-
ment
0.0–10 bar 2.5
0.0–16
(in rela-
tion to
the full
scale of
the
sensor)
0.0– bar 0.0
(SET
PRESS
-0.4)
0.0 =
Disa-
bled
1–99 sec 20
0–10 bar 0–16
0–16
0–99 % 90
Param- Description
eter
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.
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- Descrip- Range
ter tion
Pr Propor- 01–40
tional co-
efficient
of the
pressure
adjust-
ment al-
gorithm.
Ac Acceler- 01–20
ation
time.
Minimum
time re-
quired
for the
frequen-
cy of the
motor to
go from
minimum
to maxi-
en - Original instructions
Range Unit of Default
meas-
ure-
ment
Unit of Default
meas-
urement
N 20
Hz/sec 10
37