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Copeland EazyCool EC2-5X1 Application Manualline

Outdoor condensing unit controller
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Copeland EazyCool
outdoor condensing units
Controller EC2-5X1

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Summary of Contents for Copeland EazyCool EC2-5X1

  • Page 1 Copeland EazyCool outdoor condensing units Controller EC2-5X1...

  • Page 2: Table Of Contents

    Application Guideline: Copeland EazyCool outdoor condensing unit controller EC2-5X1 Safety Instructions..................... 3 ....................3 CON EXPLANATION ....................3 AFETY STATEMENTS Product Description ....................4 EC2-5X1 N ..................4 OMENCLATURE EC2-511 C ............... 5 ONDENSING ONTROLLER EC2-551 C ............... 6 ONDENSING ONTROLLER Display ........................

  • Page 3: Safety Instructions

    Condensing Unit Controller EC2-5X1 Safety Instructions Icon explanation WARNING This Icon indicates instructions to avoid heavy personnel injuries and heavy material damage. High Voltage This icon indicates operations with a danger of an electric shock. Danger of burning or frostbite This icon indicates operations with a danger of burning or frostbite.

  • Page 4: Product Description

    Copeland EazyCool™ condensing unit range. The EC2-5X1 electronic condensing unit controller is mounted as standard in the following Copeland EazyCool™ condensing units: Copeland EazyCool™ stand alone two compressor condensing units: EC2- Copeland EazyCool™ stand alone Digital Scroll™ condensing units: EC2-...

  • Page 5: Ec2-511 Condensing Unit Controller

    Condensing Unit Controller EC2-5X1 EC2-511 Condensing Unit Controller Copeland EazyCool™ condensing units with 2 compressors are equipped with an EC2- 511 electronic Controller modulating compressors and fans in commercial refrigeration applications. In fact there are two controllers present in the EC2-511 condensing unit controller: 1 (one) for controlling compressor capacity and, 1 (one) for controlling condenser pressure.

  • Page 6: Ec2-551 Condensing Unit Controller

    Alco Controls FSP150 (optional). Copeland EazyCool™ condensing units for refrigeration networks The condensing unit may have up to two compressors (of which one can be a Copeland Digital Scroll compressor) and 2 fans. Both fans can be fan speed controlled using a FSP 150 module (optional or fitted as standard, depending on the condensing unit model), using the analogue output of the EC2-551.

  • Page 7: Display

    FTT10A. The supply voltage is 24 V AC. A transformer for 230V main supply to 24 V AC is fitted in the Copeland EazyCool™ condensing unit electrical panel. Display The data to be shown on the display can be selected by the user. In case of on alarm, the alarm code is displayed alternately with the selected data.

  • Page 8: Parameters

    Condensing Unit Controller EC2-5X1 Parameters Select parameter configuration The configuration parameters can be protected by a numerical password. A value of “0” disables this protection (default password: 12). To select the parameter configuration: Press the PRG button for more than 5 seconds In case of password value equal to “0”: The first modifiable parameter code is displayed (/1).

  • Page 9: Indications On The Display

    Condensing Unit Controller EC2-5X1 Indications on the Display EC2 controller includes 2 control modules, the first is dedicated for compressor(s) modulation (controller 1), the second is dedicated for fan(s) modulation (controller 2). Controller 1 Controller 1 state (compressor controller) Controller 1 alarm in combination with alarm message and alarm LED Suction pressure or saturation temperature from suction pressure Controller 1 parameter Controller 2...

  • Page 10: Controller 1 (Compressor Capacity Staging Controller)

    Condensing Unit Controller EC2-5X1 Controller 1 (Compressor capacity staging controller) Parameter EC2-511 EC2-551 Set Point Parameters Unit Unit Pressure set-point (suction) for compressor circuit -1.0 50.0 bar(g) -1.0 50.0 bar(g) Pressure band (control band for P/PI, dead band for 50.0 50.0 control mode) Fast recovery from low pressure...
  • Page 11 Condensing Unit Controller EC2-5X1 EC2-511 EC2-551 Parameter Time Parameters Unit Unit Time delay before adding capacity 10sec 10sec Time delay before removing capacity 10sec 10sec Compressor minimum on time 10sec 10sec Compressor minimum off time 10sec 10sec Maximum compressor switching 1/hr 1/hr EC2-511...
  • Page 12 0 = compressor 1 in standard control loop 1 = compressor 1 act as base load compressor 2 = compressor 1 act as modulating (PWM control for Copeland Digital Scroll™ compressor only - not in use for EC2-511) c5 Compressor switch logic 0 = FILO logic (FILO = First In, Last Out) Capacity demand: adds first compressor out of available compressors.
  • Page 13 Refrigerant 0 = no temperature conversion 1 = R22 2 = R134a (not possible for units including Copeland Digital Scroll compressors) 3 = R507 4 = R404A 5 = R407C (not possible for units including Copeland Digital Scroll compressors) NOTE: R134a cannot be used for Copeland EazyCool™...
  • Page 14 PWM Cycle in sec PWM Cycle in sec F6: The Pulse Width Modulated signal (PWM signal) is the modulation period of a Copeland Digital Scroll compressor which can be adjusted from 10 to 20 seconds to ensure the closest modulation time period. 19.8 19.8...

  • Page 15: Controller 2 (Fan Controller)

    EC2-511, controller 2 is switching fan “ON/OFF”. Two compressor Copeland EazyCool™ condensing units with fan speed controller (option) as well as a two compressor Copeland EazyCool™ condensing units including a Copeland Digital Scroll™ compressor are equipped with EC2-551, controller 2 is modulating fan(s) speed.
  • Page 16 Condensing Unit Controller EC2-5X1 EC2-511 EC2-551 Parameter Step enable Parameters Unit Unit Reset operating time Enable/disable fan1 flag flag Enable/disable fan2 flag u0 Fan Reset operating time 0 = do nothing 1 = reset operating time fan 1 2 = reset operating time fan 2 u1 &...

  • Page 17: Important Parameters On Ec2-551

    0 = compressor 1 in standard control loop 1 = compressor 1 act as base load compressor 2 = compressor 1 act as modulating (PWM control for Copeland Digital Scroll™ compressor only) NOTE: c4 parameter should be either 0 or 1 6.3.2...

  • Page 18: Alarms And Messages

    Maximum output value Minimum & Maximum output value could be adjusted In case of a single compressor Copeland EazyCool™ condensing unit with a Copeland Digital Scroll compressor, the maximum output could be set below 100% if system requests less than the maximum capacity. In that case F3 > F2.
  • Page 19 Condensing Unit Controller EC2-5X1 lP Low pressure alarm signal flashing before indicating the actual pressure value of the system Controller 1: suction pressure lower than the minimum limit A2 (0 bar by default) Controller 2: condensing pressure lower than the minimum limit A2 EP Error pressure Controller 1: suction pressure sensor failure Controller 2: condensing pressure sensor failure...

  • Page 20: Messages

    Condensing Unit Controller EC2-5X1 Messages Configuration data initialisation The display will show an “In” when the configuration data are initialised with the factory default values. Wink request received The display will show a flashing “Id” when the wink request was received. The node will receive the flashing “Id”...

  • Page 21: Technical Specifications

    Condensing Unit Controller EC2-5X1 Technical Specifications Enclosure Operating 0 / +50°C or 32 / +122°F Storage - -10 / +70°C or 14 / +158°F Power supply: 24 V AC, -15%, +10% Consumption: 12 VA Case: Auto extinguishing Plastic, 75 x 33 x 73 mm Mounting: Controller;...
  • Page 22 Tel. +32 (0) 87 305411 - Fax +32 (0) 87 305506 - internet: www.ecopeland.com - email: eCommerce@eCopeland.com The Emerson logo is a trademark and service mark of Emerson Electric Co. Copeland Corporation is a division of Emerson Electric Co. Copeland is a registered trademark.

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