Emerson Dixell Universal-R Installing And Operating Instructions Download Page 3

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1592031000 Univ-R4 GB - r1.1 - 2012.07.23 Universal-R

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INDEX

INDEX____________________________________________________________________________________3

GENERAL WARNING _______________________________________________________________________4

GENERAL DESCRIPTION ___________________________________________________________________4

QUICK START UP PROCEDURE – Up and running in 5 easy steps __________________________________5

TYPICAL CONNECTIONS - FOR GENERAL GUIDANCE ONLY _____________________________________6

PARAMETER TABLE and factory default settings _________________________________________________7

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.

SPECIAL APPLICATIONS – DEAD BAND CONTROL ____________________________________________17

15.

ALARMS_________________________________________________________________________________17

16.

REMOVING SECURITY LEVEL PROTECTION __________________________________________________17

17.

MOUNTING ______________________________________________________________________________18

18.

ELECTRICAL CONNECTIONS _______________________________________________________________18

19.

PROBES_________________________________________________________________________________18

20.

TECHNICAL DATA ________________________________________________________________________18

21.

FAULT FINDING _________________________________________________________________________19

Summary of Contents for Dixell Universal-R

Page 1: ...UNIVERSAL R ...

Page 2: ...dedicated button during a fixed time interval at start up NEW FRONT FASCIA DESIGN Display with illuminated icons to indicate loads alarms status indications Six buttons give direct access to main functions and menu DOUBLE EVAPORATOR DEFROST FUNCTION A new feature allows defrost control of twin evaporators The 4th AUX relay and probe 3 Pb3 control defrost of the second evaporator Only when both hav...

Page 3: ...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 SPECIAL APPLICATIONS DEAD BAND CON...

Page 4: ...he wires for probes electrical loads and the power supply are separated and far enough away to each other without crossing or intertwining In case of applications in industrial environments the use of mains filters our mod DIXL930 in parallel with inductive loads could be useful Heating applications Do not exceed 105 C with the NTC probes supplied For higher temperatures up to a maximum of 150 C u...

Page 5: ...r auto recognition to work 3 If 1 minute expires before you have completed quick set up either turn OFF ON power to start set up again or enter parameter as per the instructions and adjust your parameter settings manually see Section 9 Table 1 parameter tC settings Parameter tC Type of Control Required probes 1 On Off thermostat Cooling x 1 2 Off cycle defrost timed x 1 3 Electrical Hot Gas defros...

Page 6: ...ycle Defrost Controller Parameter tC 3 Forced defrost controller time initiated time terminated Parameter tC 4 Forced defrost controller time initiated temperature terminated Parameter tC 5 Forced defrost controller time initiated temperature terminated with evaporator fan delay after defrost Parameter tC 6 Double evaporator applications Parameter tC 7 Heating applications ...

Page 7: ...C 2 F 2 0 C 2 F 2 0 C 2 F 2 0 C 2 F 2 0 C 2 F Minimum Set Point limit 55 C to Set Point 67 F to Set Point 50 0 C 58 F 50 0 C 58 F 50 0 C 58 F 50 0 C 58 F 50 0 C 58 F 50 0 C 58 F 50 0 C 58 F Maximum Set Point limit Set Point to 150 C Set Point to 302 F 50 0 C 122 F 50 0 C 122 F 50 0 C 122 F 50 0 C 122 F 50 0 C 122 F 50 0 C 122 F 50 0 C 122 F Anti short cycle delay 0 to 50 min 1 1 1 1 1 1 0 Second c...

Page 8: ... Thermostat probe calibration 12 0 to 12 0 C 21 to 21 F 0 0 C 0 F 0 0 C 0 F 0 0 C 0 F 0 0 C 0 F 0 0 C 0 F 0 0 C 0 F 0 0 C 0 F Evaporator probe presence 0 evaporator probe not present 1 evaporator probe present 1 1 1 Evaporator probe calibration 12 0 to 12 0 C 21 to 21 F 0 0 C 0 F 0 0 C 0 F 0 0 C 0 F Third probe presence 0 third probe not present 1 third probe present 1 1 1 1 1 1 Third probe calibr...

Page 9: ...tart regulation with door open alarm 0 No 1 Yes 0 0 0 0 0 0 0 Low temperature alarm of condenser 55 to 150 C 67 to 302 F 40 C 40 F 40 C 40 F 40 C 40 F 40 C 40 F 40 C 40 F High temperature alarm of condenser 55 to 150 C 67 to 302 F 110 C 230 F 110 C 230 F 110 C 230 F 110 C 230 F 110 C 230 F Differential for temperature condenser alarm recovery 0 1 to 25 5 C 1 to 45 F 5 C 5 F 5 C 5 F 5 C 5 F 5 C 5 F...

Page 10: ...temperature decreases and reaches set point minus differential the regulation output is activated and then turned off when the temperature reaches the set point value again Minimum set point limit 55 C to SET or 67 F to SET sets the lower limit of set point adjustment Maximum set point limit SET to 150 C or SET to 302 F sets the upper limit of set point adjustment Anti short cycle delay 0 to 50min...

Page 11: ...or second defrost 0 to 255min when P3P 0 not evaporator probe timed defrost it sets the defrost duration when P3P 1 defrost end based on temperature it sets the maximum length for defrost Note The P3 probe will be automatically set as second evaporator probe by the tC parameter Second termination temperature 55 to 50 C or 67 to 122 F sets the temperature measured by the second evaporator probe P3 ...

Page 12: ...ith label D I 2 Pb3 Input operates as digital input 1 present the third input the one signed with label D I 2 Pb3 Input operates as third probe Third probe calibration 12 0 to 12 0 C or 21 to 21 F adjustment for third probe named Evap 2 on the label offset Display resolution 0 with decimal point 1 without decimal point Temperature measurement unit 0 Celsius 1 Fahrenheit Warning If you alter the se...

Page 13: ...ed by closing the circuit 1 the digital input is activated by opening the circuit Time interval delay for digital input 1 alarm 0 to 255min it defines the time delay between the detection and the subsequent signalling of the alarm Time interval delay for digital input 2 alarm 0 to 255min it defines the time delay between the detection and the subsequent signalling of the alarm Compressor and fan s...

Page 14: ...ture alarm of the condenser is active 0 the compressor keeps on working if a low temperature alarm at the condenser is active 1 the compressor is switched off while the low temperature alarm is active The regulation will restart after elapsing AC delay time Temperature set point change during the Energy Saving cycle 30 0 to 30 0 C or 54 to 54 F sets the deviation from the normal set point during t...

Page 15: ...yboard The display will flash PoF or Pon for a few seconds to confirm locking or unlocking respectively Enter programming mode keep both buttons pressed for 3 sec release them and then press them again for 8 sec The first label of Pr2 level will be displayed Exit programming mode press together to return to normal display 9 PROGRAMMING MODE 9 1 USER PROGRAMMING LEVEL PR1 To enter programming level...

Page 16: ...it degrees FLASHING Programming mode 11 THERMOSTAT OVERRIDE not available when parameter tC 1 or 7 For rapid chilling or freezing the thermostat can be overridden by pressing the UP button until the icon lights up The compressor will run in continuous mode irrespective of temperature for the time period set in parameter CCt Normal operation will then resume automatically The cycle can also be term...

Page 17: ... re start if parameter rrd 1 EA Alternating with room temperature Generic external alarm Alarm output ON Other outputs unchanged bAL Alternating with room temperature Serious external alarm Alarm output ON Other outputs OFF 15 1 MUTING ALARM BUZZER RELAY The alarm buzzer can be muted by pressing any button The controller will briefly show the reset rES label Parameter tbA defines how the alarm rel...

Page 18: ...ectly measure the average room temperature Place the defrost termination probe among the evaporator fins in the coldest place where most ice is formed far from heaters or from the warmest place during defrost to prevent premature defrost termination 20 TECHNICAL DATA Housing Self extinguishing ABS Size Frontal 32x74 mm depth 70 mm Mounting Panel mounting in a 71x29 mm panel cut out Frontal protect...

Page 19: ...d resistance value Change probe type or alter parameter PbC Fit evaporator probe or alter parameter tC Display flashing EE Data corruption Check for electrical spikes and interference Fit filters DIXL930 DIXL932 Ensure probe cables are separated from power cables Re check all parameter settings Replace controller if still not working Display flashing dA Door has been left open too long Shut the do...

Page 20: ...1592031000 Univ R4 GB r1 1 2012 07 23 Universal R 20 20 ...

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