SPEED CONTROLLERS

CODE: Rm

ELECTRONIC 1~ VOLTAGE CONTROLLER (PHASE-CUT)

Description:
Continuous regulation of the asynchronous fans speed. The speed controller works on the fans supply voltage and varies their speed according to the input signal and to the settings.
Models: PKE 2,5 (max 2,5) , PKE 6 (max 6A), PKE 10 (max 10A), PKE 14 (max 14A), PKE 16 (max 16A), PKE 20 (max 20A)

• Valid for both functionings: Dry Coolers and Condensers.
• TFT temperature probe or pressure (4 • 20mA) probe mounted and wired; in alternative speed control referred to an external 0-10V tension.
• IP54 degree of protection.

Technical data:
• Power supply: 1 phase ~ 230V / 50/60Hz (-15% / +10%)
• IP54 degree of protection.

• Standard settings: single set point

CODE: R

STANDARD SPEED REGULATOR (TRIAC)

Description:
Continuous AC fan speed regulation. The regulator adjusts the fan input voltage to regulate the speed on the basis of the signal sent by the sensor and the settings.
N.B.: this type of regulator can produce electromagnetic noise due to the control technology used. The sound power level and the sound pressure level of the air-cooled equipment in the specifications do not consider said noise.
The speed regulator is supplied installed, wired, programmed and ready-to-use.

Overview:
-Multifunction/multilingual LC-Display for simple, fast programming.
• IP54 degree of protection (EN 60529).
• Operating temperature 0 °C / +40 °C (down to -20 °C as long as equipment is connected to power source, up to +55 °C at reduced power).
• Permitted relative humidity 85% (no condensation).
• Temperature or pressure sensors installed and wired.
• Shielded cables are not required.

Technical data:
• 3-phase input, nominal voltage 208 / 415V (• 10% / +6%), frequency 50 / 60Hz.
N.B.: the dimensioning of the panel and the capacity of the regulator is optimized for the nominal current drawn by the fans, on the basis of the type of connection (Triangle or Star).
• Sensors nominal voltage 24V (20%), max. permitted current 120 mA.
• 2 analog inputs (0-10V, 0-20mA, PTC temperature sensor, pressure transducer).
• 1 programmable analog output (0-10V).
• 2 programmable digital inputs.
• 2 programmable digital outputs: alarm signal, external unit control.
• Full motor protection with thermal contacts or thermistors
• Compliant with EC Standards EN 61000-6-2, EN 61000-6-3 and EN 61000-3-2.
• Compliant with EC Directives 2006/95 LVD and 2004/108 EMC.

Connectivity:
• MODBUS RS485 communication interface.
• Optional: equipped with LON board.

Standard programming:
• Set-point 1: temperature or pressure (dual circuit condensers: adjustment at highest pressure value detected).
• Set-point 2: temperature or pressure.
• Regulator alarm signal.
• Speed limiting.
• Control of machine on-board systems (adiabatic systems).
• Switch out fans being regulated at low speed.
• Other special programming available in relation to regulator’s characteristics.


CODE: I

INVERTER SPEED REGULATOR FREQUENCY WITH SINUSOIDAL FILTERS INSTALLED

Description:
Continuous AC fan speed regulation. The regulator regulates the fan input frequency and voltage to adjust the speed on the basis of the signal sent by the sensor and the settings.
The inverter speed regulator guarantees substantial energy savings and reduces the noise level of the fans being regulated. The inverter speed regulator is ideal for environments with extremely restrictive noise limits.
The speed regulator is supplied installed, wired, programmed and ready-to-use.

Overview:
• Multifunction/multilingual LC-Display for simple, fast programming.
• IP54 degree of protection (EN 60529).
• Operating temperature 0 °C / +40 °C (down to -20 °C as long as equipment is connected to power source, up to +55 °C at reduced power).
• Permitted relative humidity 85% (no condensation).
• Temperature or pressure sensors installed and wired.
• Shielded cables are not required.

Technical data:
• 3-phase input, nominal voltage 208 / 480V (• 15% / +10%), frequency 50 / 60Hz.
N.B.: electrical systems with NEUTRAL isolated from ground (IT) can only be used on special versions.
N.B.: the dimensioning of the panel and the capacity of the regulator is optimized for the nominal current drawn by the fans, on the basis of the type of connection (Triangle or Star).
• Sensors nominal voltage 24V (20%), max. permitted current 120 mA.
• Phase/phase and phase/earth omnipolar sinusoidal filters.
• 2 analog inputs (0-10V, 0-20mA, PTC temperature sensor, pressure transducer).
• 1 programmable analog output (0-10V).
• 2 programmable digital inputs.
• 2 programmable digital outputs: alarm signal, external unit control.
• Full motor protection with thermal contacts or thermistors
• Compliant with EC Standards EN 61000-6-2, EN 61000-6-3 and EN 61000-3-2.
• Compliant with EC Directives 2006/95 LVD and 2004/108 EMC.

Connectivity:
• MODBUS RS485 communication interface.
• Optional: equipped with LON board.

Standard programming:
• Set-point 1: temperature or pressure (dual circuit condensers: adjustment at highest pressure value detected).
• Set-point 2: temperature or pressure.
• Regulator alarm signal.
• Speed limiting.
• Control of machine on-board systems (adiabatic systems).
• Switch out fans being regulated at low speed.
• Other special programming available in relation to regulator’s characteristics.


CODE: U

EC CONTROLLER

Description:
Continuous EC fan speed regulation. The regulator modulates a 0-10V signal on the basis of the signal coming from the sensor and the settings. The signal is reprocessed by the electronics on-board the EC fans that adjust the rotation speed.
The universal control module using EC fan technology guarantees substantial energy savings and reduces the noise level of the fans being regulated. The universal control module is ideal for environments with extremely restrictive noise limits.
The speed regulator is supplied installed, wired, programmed and ready-to-use.

Overview:
• Multifunction/multilingual LC-Display for simple, fast programming.
• IP54 degree of protection (EN 60529).
• Operating temperature 0 °C / +55 °C (down to -20 °C as long as equipment is connected to power source).
• Permitted relative humidity 85% (no condensation).
• Temperature or pressure sensors installed and wired.
• Shielded cables are not required.

Technical data:
• Single-phase input, nominal voltage 230V (-15% / +10%), frequency 50 / 60Hz.
• Sensors nominal voltage 24V (-30% / +20%), max. permitted current 70 mA.
• 2 analog inputs (0-10V, 0-20mA, PTC temperature sensor, pressure transducer).
• 2 programmable analog outputs (0-10V).
• 2 programmable digital inputs.
• 2 programmable digital outputs: alarm signal, external unit control.

Connectivity:
MODBUS RS485 communication interface.

Standard programming:
• Set-point 1: temperature or pressure (dual circuit condensers: adjustment at highest pressure value detected).
• Set-point 2: temperature or pressure.
• Regulator alarm signal.
• Speed limiting.
• Control of machine on-board systems (adiabatic systems).
• Switch out fans being regulated at low speed.
• Other special programming available in relation to regulator’s characteristics. Other special programming available in relation to regulator’s characteristics.

N.B.: the electrical power line must have a neutral conductor.


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