Xylem Lowara ResiBoost MMA Series, Installation, Operation And Maintenance Manual, Page: 34 / 244

N° Parameter Description
module overtemper-
ature alarm has
been triggered
A7 SHORT CIRC Total number of
times the motor
short circuit alarm
has been triggered.
A8 OVER VOLT Total number of
times the overvolt-
age on converter
power supply line
alarm has been trig-
gered.
A9 UNDER VOLT Total number of
times the undervolt-
age on converter
power supply line
alarm has been trig-
gered.
5.3 Programming
The converter has two parameter menus that are ac-
cessed with a combination of keys:
• MB, BASIC MENU
• ME, ADVANCED MENU
NOTICE:
• The converter is delivered already programmed
with the default values. Edit the values according
to the type of electric pump and system.
• If the converter is already fitted with an electric
pump, it has been programmed in relation to the
characteristics of the electric pump. Edit the func-
tion values of the system.
• Incorrect configuration can damage the electric
pump and/or the system.
5.3.1 BASIC MENU (MB) parameters
In MANUAL mode and with the LED (10) off:
1. Press and hold (3) to access the parameters
(MB). 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 17: Models MMW and MTW
Pa-
ram-
eter
Description Range Unit of
meas-
urement
Default
A Set the current
rating value of
the motor on
the data plate.
0.1 to
9.0
(MMW)
0.1 to
10.0
(MTW)
Ampere Imax(*)
Pa-
ram-
eter
Description Range Unit of
meas-
urement
Default
FL Minimum start-
up and stop
frequency of
the motor. Fre-
quency at
which the con-
verter begins to
run (upon start-
up and shut-
down) without
using the
ramps.
30 to 48
(MMW)
15 to 48
(MTW)
Hz 30
EL Enable the digi-
tal input and
connect the
level sensor to
ensure that the
pump stops
when there is
no water. Refer
to Figure 13 .
Alarm A1 if pa-
rameter EL =1
and the electri-
cal contact is
open.
0: Disa-
bled, no
control
1: Ena-
bled
- 0
SP Set the re-
quired pressure
value of the
system (set
point)
0.5 to
8.0
bar 2.5
MP Pressure value
of the system
below which
the A4 "mini-
mum pressure"
alarm is trig-
gered. When
the alarm is
triggered, the
pump stops
and the ART
function is ena-
bled. See Spe-
cial functions .
Triggering of
the alarm is de-
layed by the
amount of time
set in the
dL parameter.
0.0 to
( SET
PRESS
-0.4)
0.0: Dis-
abled
bar 0
dL Delay timer for
triggering the
"minimum pres-
sure" alarm
( MP parame-
ter).
0 to 99 sec 20
rS For three-
phase motors,
invert the direc-
tion of rotation.
0 to 1 - 0
10
lmax: maximum current supplied. The value varies according to the model of converter.
en - Original instructions
34