D
Nilfisk
ALTO
Attix7_ver.1.0_140105
5 Electronic flow sensor EC (Attix 791-2M/B1)
The following Attix 7 functions are identical to other models:
Several functions are
integrated on this circuit
board:
-Main switch
Man - 0 - Auto ‘
- Speed control
- Remote control of EC
drive
- Soft start
- Automatic starter for
electrical tools
- Flow detection by flow-
sensor
- Setting of different hose
diameters
Alto no.: 302001710
(200–230 Vac/50–60 Hz)
Alto no.: 302001709
(100–120 Vac/50–60 Hz)
Operating data:
saved operating data can
be read out on the Alto ter-
minal (no. 301 000 383 for
operating data retrieval).
LED functions:
Green LED flashes:
unit on standby
Green LED on:
flow > 22 m/s
Yellow LED on:
flow > 20 m/s and < 22
m/s
Red LED on:
flow < 20 m/s plus buzzer
sounds
Soft start:
the motor always makes a
soft start.
Main switch, speed con-
trol, automatic starter:
as described in Attix
550/560 repair manual
section D.
Flow sensor:
as described in Attix
550/560 repair manual,
section D.
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