12
1.
Introduction
2.
Special warnings regarding the frequency
converter
3.
Types
4.
Operating conditions
5.
Construction
5.1.
Technical features
5.2.
Pushbutton functions
5.3.
Submersible applications or long cables
5.4.
Soft start system (only for MM versions)
5.5.
Replacement of the threaded fittings
6.
Installation
7.
Electrical connection
7.1.
Power supply line
7.2.
Electrical connection of inputs and
auxiliary contacts
7.2.1.
Connection of the remote on/off signal
7.2.2.
Float switch connection
7.2.3.
Remote alarm connection
8.
Dry-running protection
9.
Anti-lock function
10.
Parameters to check when starting up the
unit
10.1.
Setting of the motor current absorption
10.2.
Setting of the set-point pressure value
10.3.
Setting of the re-start pressure value
11.
Plant starting
12.
Alarms
13.
Cascade mode
13.1.
Cascade mode installation
13.2.
Cascade mode electrical connection
13.3.
Cascade connection with 2 variable speed
pumps
13.4.
Cascade mode programming
13.4.1 Setting of the frequency converters
13.4.2 Programming of the cascade mode control
panel
14.
Reset
15.
Alternation
of
the
pump
running
continuously
16.
Cascade anti-lock function
17.
Use of megaohmeter
18.
Replacing the fuse
19.
Accessories
19.1
RA 100
20.
Disposal
21.
Dimensions
22.
Head loss
23.
Declaration of conformity
Frequency converter
VARIOMAT 2
OPERATING INSTRUCTIONS
istr_P560_2 VARIOmat_01_19_istr_P444 19/12/18 09:00 Pagina 12
