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FREQUENCY CONVERTER FOR COOLING APPLICATIONS


Purpose of the development: This inverter is optimized for use in compressors, pumps and fans in refrigeration applications, saving energy and increasing the service life of equipment.

Recommended application field: The frequency converter can be integrated in the refrigeration system to monitor and sometimes perform functions of refrigeration controllers and other machines.

Technical characteristic: Voltage range: 3 x 200 - 240 B ± 10% 3 x 380 - 480 B ± 10% 3 x 525 - 600 B ± 10% Line Frequency: 50/60 Hz Maximum imbalance temporary phases 3% of rated voltage Power Factor:> = 0.9 at rated load Power Factor:> 0.98 Inclusions for L1 / L input, L2, L3 / N - No more than 2 times per minute (from 11 kW - 1 per min) Environmental conditions according to EN60664-1 - Overvoltage category III / pollution degree 2 Overload capability - 110% - 1minute Management - vector and scalar Output characteristics (U, V, M): Output voltage - 0-100% of the rated input Output frequency - 0-1000 Hz The number of output switches - Unlimited Acceleration / Deceleration time - 0,01-3600 seconds. Torque characteristics: Starting torque (Constant torque) - Maximum of 110% for 60 seconds * Starting torque - maximum 135% for 0.5 seconds *. Torque overload (constant torque) - Maximum of 110% for 60 seconds *. * - As a percentage of the rated torque Digital inputs Number of programmable digital inputs - 4 (6) Logic - PNP The voltage level - 0-24 The maximum input voltage - 28 V Input resistance, Ri - Around 4 ohm Pulse input: Programmable impulse input - 2 The voltage level - 0-28 in Input precision (0,1-110 kHz) - accuracy 0,1% of full scale Input frequency - 4-5000 Hz Input resistance, Ri - Around 4 ohm Scan interval - 13.3 ms Resolution - 10-bit Analog inputs: The number of analog inputs (current and voltage) - 2 Modes - current or voltage Input resistance, Ri (voltage) - About 10 ohms The voltage level - 0-10 V (scaleable) Maximum voltage - 20 V Current level - From 0/4 to 20 mA (scaleable) Input resistance, Ri (current) - About 300 ohms Maximum current - 30 mA Analog Input Resolution - 10 bits (+ sign) Analog output: Programmable analog output - 1 Current Level - 0/4 to 20 mA Maximum load - 500 Ohm Accuracy - 0.5% of full scale Discrete / frequency outputs: Number of programmable digital / pulse outputs - 2 The voltage level on the discrete / frequency output - 0-24 Maximum frequency output load - 1 kW Maximum capacitive load at frequency output - 10 nF Minimum output frequency at frequency output - 32 Hz The error frequency output Maximum error: 0.1% of full scale Output frequency resolution - 10 bits Internal power supply Input voltage - 0.5V ± 10.5, 24 ± 0.5V Maximum load (10B) - 25 mA Maximum load (24V) - 100 mA Relay outputs Programmable relay outputs - 1 Maximum load on the terminals - 240V, 2A Communication with the data buses - FC Protocol, Modbus RTU, RS485, USB Length of cable: Maximum length of shielded (armored) motor cable - 150 m Maximum length, unscreened (unarmoured) motor cable - 300 m Environment, Drive configuration: Housing - IP20 (IP21 with optional) Vibration - 1,0 G Aggressive media - Class H25 Humidity - 5 - 93% (IEC 721-3-3; Class 3K3 (non-condensing during operation)) Engine Max. ambient temperature - -10 - 50 ° C

Advantages over analogues: 1. Compliance with EMC requirements. 2. Built-in EMC filter. 3. Compressor function. 4. The suction pressure optimization. 5. Enable / disable injection. 6. Improved cooling processes. 7. Control of the discharge temperature. 8. The cascade controller. 9. Control up to three compressors without an external PLC. 10. The controller of the neutral zone. 11. Perfect setting system. 12. A thermostat / pressure switch function. 13. The pumping function. 14. Dry-running protection and control of the end of the pump curve. 15. Flow compensation. 16. Conversion of pressure to flow. 17. Fan function. 18. Control of a broken belt. 19. Parallel motor control.

The development stage readiness: Introduced in production

Description of the development:
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The converter has a setup program that uses common terminology cooling, which greatly simplifies the installation process for the service engineers and installers. In addition, the Setup Wizard helps engineers in case of any problems. The program menu contains recommendations on diagnostics and troubleshooting.

corresponds technical description
Conforms to technical characteristic

Possibility of transfer abroad:
Realization of finished commodity

Photo

Country Ukraine

For additional information turn to:
E-mail: gal@uintei.kiev.ua

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