Emerson Universal-R Installing And Operating Instructions
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Emerson Universal-R Installing And Operating Instructions

Dual voltage 12v & 230v power supply
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UNIVERSAL–R

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  • Page 1 UNIVERSAL–R...
  • Page 2 GREAT NEW FEATURES on the Universal-R DUAL VOLTAGE 12V & 230V POWER SUPPLY  Both low (12Vac/dc) and high voltage (230Vac) power supply inputs are present in this single controller (see the rear connections of the device). QUICK AND SAFE START UP FUNCTION SELECTION ...

  • Page 3: Table Of Contents

    PARAMETERS – THEIR FUNCTIONS IN DETAIL _______________________________________________10 BUTTONS AND THEIR FUNCTIONS__________________________________________________________15 PROGRAMMING MODE ____________________________________________________________________15 10. OTHER FEATURES OF THE UNIVERSAL-R ___________________________________________________16 11. THERMOSTAT OVERRIDE ( not available when parameter tC = 1 or 7 )______________________________16 12. DEFROST TYPES _________________________________________________________________________16 13. EVAPORATOR FAN CONTROL (only when parameter tC = 5 or 6) __________________________________16 14.

  • Page 4: General Warning

    Where defrost is being terminated by temperature, it has an input for an evaporator probe(s). The Universal-R is equipped with an internal alarm buzzer, a flashing visual alarm as well as a 4th relay (volt free) that can be configured as Auxiliary or Alarm, to control a heater in Dead Band control (see parameter oAC) or to control the defrosting of a second evaporator (when “tC”...

  • Page 5: Quick Start Up Procedure – Up And Running In 5 Easy Steps

    This Quick Start Up section is designed to get you up and running with the minimum of fuss. Just follow these 5 simple steps. Install the new Universal-R, connect the correct number of probes and connect the wiring - See below:...

  • Page 6: Typical Connections - For General Guidance Only

    Forced defrost controller, time initiated & temperature Forced defrost controller, time initiated & temperature terminated. terminated with evaporator fan delay after defrost. Parameter tC = 6 Parameter tC = 7 Double evaporator applications. Heating applications. 1592031000 Univ-R4 GB - r1.1 - 2012.07.23 Universal-R 6/20...

  • Page 7: Parameter Table And Factory Default Settings

    Defrost delay after thermostat 0 to 255 min override Interval between defrosts 1 to 250 hours Delay start of defrost 0 to 255 min Maximum duration of defrost 0 to 255 min 1592031000 Univ-R4 GB - r1.1 - 2012.07.23 Universal-R 7/20...
  • Page 8 0 = Start defrost 1 = Door switch 2 = Auxiliary relay Digital input configuration 3 = Energy saving 4 = Remote On/OFF 5 = Generic alarm 6 = Serious alarm 1592031000 Univ-R4 GB - r1.1 - 2012.07.23 Universal-R 8/20...
  • Page 9 1 = Enabled Parameter table For factory use only Software release number Read only Evaporator probe temperature Read only Third probe temperature Read only READ ON IF YOU NEED MORE DETAIL 1592031000 Univ-R4 GB - r1.1 - 2012.07.23 Universal-R 9/20...

  • Page 10: Parameters – Their Functions In Detail

    Delay of temperature alarm at start-up: (from 0 to 720min; res. 10min) time delay of any temperature alarm during pull down following “power on”. Outputs activation delay at start up: (0 to 255min) time delay before any output relay activates following “power on”. 1592031000 Univ-R4 GB - r1.1 - 2012.07.23 Universal-R 10/20...
  • Page 11 2 = cycles on/off with the compressor, ON during defrost; 3 = continuous mode, ON during defrost; Fan stop temperature: (-55 to 50°C or -67 to 122°F) temperature above which the evaporator fan stops (during the normal refrigeration cycle). 1592031000 Univ-R4 GB - r1.1 - 2012.07.23 Universal-R 11/20...
  • Page 12 Con & CoF to maintain basic cooling. CoF is the compressor “OFF” time. Alarm muting: 0 = Alarm relay remains active when alarm buzzer is muted; 1 = Alarm relay is cancelled when alarm buzzer is muted. 1592031000 Univ-R4 GB - r1.1 - 2012.07.23 Universal-R 12/20...
  • Page 13 High temperature alarm of condenser: (-55 to 150°C or -67 to 302°F) when this temperature is reached, the LA2 alarm will be raised (after the Ad2 delay time has expired). Differential for temperature condenser alarm recovery: 0.1 to 25.5°C or 1 to 45°F. 1592031000 Univ-R4 GB - r1.1 - 2012.07.23 Universal-R 13/20...
  • Page 14 Software release: read only – shows the software release. Evaporator probe: shows the current temperature sensed by the evaporator probe. Third probe temperature: shows the current temperature sensed by the third probe. 1592031000 Univ-R4 GB - r1.1 - 2012.07.23 Universal-R 14/20...

  • Page 15: Programming Mode

    Accessibility of any particular parameter via Pr1 level is confirmed by the alarm LED lighting up while its label is displayed WARNING: if no button is pressed for 15 sec, any modified value will be stored into memory and the controller will return to the normal display mode. 1592031000 Univ-R4 GB - r1.1 - 2012.07.23 Universal-R 15/20...

  • Page 16: Other Features Of The Universal-R

    10. OTHER FEATURES OF THE UNIVERSAL-R As well as the main digital display, there are some small icons on the front panel. These are used to monitor the loads controlled by the instrument. Each icon function is described in the following table.

  • Page 17: Special Applications – Dead Band Control

    15.2 ALARM “EE” The Dixell Universal-R is provided with an internal watchdog verifying data and memory integrity. Alarm “EE” will flash after detecting a failure in data or in the internal memory. In this case, the alarm output is enabled.

  • Page 18: Electrical Connections

    17. MOUNTING The Universal-R should be mounted in a panel, in a 29 x 71 mm hole, and fixed using the special brackets supplied. Ambient temperature for correct operation is 0 to 50°C. Avoid places subject to strong vibrations, corrosive gases, excessive dirt or humidity (20 to 85% non- condensing RH is the recommended working range).

  • Page 19: Fault Finding

    Adjust FSt to a higher setting. During commissioning, set it above Evaporator fan short cycling Parameter FSt set too low. ambient until pull down is complete, then re-set to a more suitable temperature. 1592031000 Univ-R4 GB - r1.1 - 2012.07.23 Universal-R 19/20...
  • Page 20 1592031000 Univ-R4 GB - r1.1 - 2012.07.23 Universal-R 20/20...

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Dixell universal-r

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