Technical Assistance; Technical Description; Product Overview; Technical Features - Calpeda I-MAT Serie Instrucciones De Uso

1.5. Technical assistance

Any further information about the documentation,
technical assistance and spare parts, shall be
requested from: Calpeda S.p.A. (paragraph 1.2).

2. TECHNICAL DESCRIPTION

I-MAT is a frequency converter that could be
mounted in a control box or on a motor.
The frequency converter is manufactured in
accordance to EN61800-3:2005-07 acc. EN55011
limit B until a 7,5 kW, limit A1 until a 55kW.
2.1. Intended use
The frequency converter is made for pumps with
three-phase motor, in domestic, civil and industrial
systems.
2.2. Improper use
The device is designed and built only for the
purpose described in paragraph 2.1.
Improper use of the device is forbidden, as
is use under conditions other than those
indicated in these instructions.
Improper use of the product reduces the safety and
the effi ciency of the device, Calpeda shall not be
responsible for failure or accident due to improper
use.

3. TECHNICAL FEATURES

Supply voltage: 3~380 VAC-10% ÷ 3~480 VAC+5%
IP protection: IP55
Liquid Crystal Display
Keyboards: 6 pushbuttons
Digital input:
- 2 Float switches
- MAX/min curve enable
- 2 nd
set-point enable
- Remote On/off control
Analog input:
- Primary transducer
- Secondary transducer
Digital output: Up to 3 alarm output or Start/
stop signal
Analog output: Remote parameter monitor
Connectivity: RS485 (optional)
Protections:
- Supply voltage failure.
- Current protection.
- Output Phases Short-circuit failure
- Electronic card over-temperature.
- Unbalanced / Missing phase.
- Primary sensor missing.
- Dry-run protection (only in Constant pressure
mode and Proportional pressure mode).
- Hydraulic losses detection (only in Constant
pressure mode)

3.1. Operating conditions

The product works properly only if the followings
conditions are respected.
- Floating voltage rate: +/-10% max
- Floating frequency rate: +/- 4% max
- Ambient temperature: -10°C a +50°C
- Relative Humidity: from 20 to 90% without
I-MAT_Ed1.indd - Operating Instructions
condensing
- Vibration: max 16,7 m/s2 (2 g) at 10-55Hz
- Altitude: Below 1000 m inside a building.
The current of the frequency converter must be
equal or greater than the maximum current that the
motor of the pump could absorb.
The system is made of:
Frequency converter
Transducer (pressure/temperature/fl ow
possible)
Mounting Screws
Motor Adapter Kit

3.2. Product overview

I-MAT is a frequency converter for pumps, that
implements the followings operating modes:
Constant pressure;
Proportional pressure;
Constant temperature;
Constant fl ow;
Night mode;
Fixed speed;
Constant pressure mode and Proportional pressure
mode are available also in cascade mode.
3.3. Pushbuttons functions
The user interface is made by a 6 pushbuttons
keyboard. Every pushbutton has a specifi c function
described in the following table.
Through this button you can start the
pump.
Through this button you can stop the
pump
Through this button you have access to
the frequency converter programming
parameters. If you already are on the
programming functions, by pushing this
button you go up on the menu
GB
are
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