Geco GC201 Service & Operating Manual
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Geco GC201 Service & Operating Manual

Independent control unit
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SERVICE OPERATING MANUAL FOR INDEPENDENT CONTROL UNIT
GC201
VERSION FOR COOLING APPLIANCES
For software version 02
You are kindly asked to study instructions carefully before connecting and starting up each of our
appliances. If you have any doubts, please contact us from 8.00 till 16.00. Any remarks sent to us by e-
mail shall be a valuable help.
Notice !!! At the bottom of the following pages the date of the latest updating is given and at
the end of page XVII there is information on the changes in program versions and the mode of
operation that followed.
You are asked to use always the newest version of operating manual which can be received free of
charge by mail after submission of an order.

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  • Page 1 SERVICE OPERATING MANUAL FOR INDEPENDENT CONTROL UNIT GC201 VERSION FOR COOLING APPLIANCES For software version 02 You are kindly asked to study instructions carefully before connecting and starting up each of our appliances. If you have any doubts, please contact us from 8.00 till 16.00. Any remarks sent to us by e- mail shall be a valuable help.

  • Page 2: Table Of Contents

    2 SERVICE MANUAL FOR PRODUCERS SBR TYPE GC201 Table of contents I. GENERAL CHARACTERISTICS.................. 3 II. METHOD OF MARKING AND TECHNICAL DATA ............3 III. HOW TO ORDER..................... 4 INSTALLATION AND CONNECTION OF GC201 ............5 V. INSTALLATION OF SENSORS................... 6 OPERATION METHOD ..................

  • Page 3: General Characteristics

    The mode of operation of this button determines the appropriate parameter. GC201 has the ability to select work with one or two temperature sensors and has two relay outputs enabling direct connection for devices operating at 230V with load capacity in accordance with Table 1.

  • Page 4: How To Order

    4 SERVICE MANUAL FOR PRODUCERS SBR TYPE GC201 Table 1:Marking of transformers and carrying capacity of outlets current-carrying capacity outlet version GC201.01 and GC201.02 P1 – Compressor R16A 750W cos φ > 0,85 P2 – Universal 450W version GC201.03 P1 –...

  • Page 5: Installation And Connection Of Gc201

    THE SAME CONDITION IS VALID FOR ANY OTHER REPAIRS!!! 7. If there are heaters, their voltage has to be chosen in such a way that if there is a breakdown of GC201 or of an external contactor and they are switched off permanently, there will be no possibility of fire or destruction of the appliance.

  • Page 6: Installation Of Sensors

    GC201 should be chosen through experimentation. It is absolutely forbidden to change the location or the method of fixing of sensors and settings of GC201 without doing new tests related to temperature stabilisation and to the course of defrosting of the unit!!! The chamber sensor must be fixed in such a way that it does not touch foods and is not exposed to damage during cleaning of the unit.

  • Page 7: Functions Of Buttons

    When is pressed, settings are memorised and normal operation of the controller follows. If GC201 is switched off during programming, it will not memorise the new value of temperature. 4. Signalling of compressor operation When the compressor is on, small red diode (dot) in the right bottom corner of temperature display is on. This facilitates checking of possible defects of the system.

  • Page 8: Compressor Protection

    30 seconds is checked again. This is to protect the compressor against unneeded switching on caused by e.g. placement of goods, drafts, etc.  From the moment when the compressor is switched off for time defined by parameter ‘c2’, GC201 will prevent compressor from switching on.

  • Page 9: B - Defrosting

    If defrosting take place and parameter r2=0 and temperature on evaporator is lower than temperature set in parameter ‘d2’ than GC201 will turn on the defrost mode and after reaching the temperature from the parameter 'd2' will enter the end of defrosting procedure (this state is signaled by...

  • Page 10: D - Hysteresis

    10 SERVICE MANUAL FOR PRODUCERS SBR TYPE GC201 conditions for compressor activation have been met, the dot is permanently lighted and the compressor relay is switched on. Entering the SupeFrost mode: When the compressor is working (because it was just in the normal mode of the refrigerator), then the...
  • Page 11 Page 11 SERVICE MANUAL FOR PRODUCERS SBR TYPE GC201 example 2. example 4. Hysteresis of ‘d3’ is set as 4ºC Hysteresis of ‘d3’ is set as 5ºC For the above setting of the hysteresis the For the above setting of the hysteresis the parameter parameter ‘d0’...

  • Page 12: Programming Of System Parameters

    12 SERVICE MANUAL FOR PRODUCERS SBR TYPE GC201 t=c3 COMPRESSOR TRAY HEATER stop operation DEFROSTING END OF DEFROSTING operation stop 5. valve ‘r1’=05, t=c3 COMPRESSOR VALVE stop operation DEFROSTING END OF DEFROSTING operation stop VII. PROGRAMMING OF SYSTEM PARAMETERS When the unit is on and correctness of its operation has been checked (factory settings are standard settings), setting of system parameters of GC201 begins.
  • Page 13 Page 13 SERVICE MANUAL FOR PRODUCERS SBR TYPE GC201 Table 2: Significance of parameters Para- Description Step Factory setting meter How often defrosting will take place 00 – there will be no automatic defrosting, only manual defrosting!!! -01 there will be no automatic or manual defrosting!!!

  • Page 14: Problems And Their Removal

    14 SERVICE MANUAL FOR PRODUCERS SBR TYPE GC201 Conditions of switching on of defrosting when the unit is switched 00 – beginning of operation without defrosting 01 – if during defrosting power supply is disconnected, defrosting will be switched on 02 –...
  • Page 15 Page 15 SERVICE MANUAL FOR PRODUCERS SBR TYPE GC201 8. Problems with Check: - the value of parameters ‘d2’ and ‘c0’, ‘c1’ defrosting of the appliance - the value of the 'c1' parameter depends on the 'r2' parameter setting. This is the maximum defrost time of the device for r2 = 0.

  • Page 16: Returns For Repair

    METHOD OF CONNECTING DEVICES TO THE CONTROLLER Fig. 1 Diagram of connecting devices and sensors to the GC201.01 regulator model, which does not have instructions for lighting. PPUH „GECO”...
  • Page 17 Page 17 SERVICE MANUAL FOR PRODUCERS SBR TYPE GC201 Fig. 2 Diagram of connecting devices and sensors to the GC201.02 regulator model, which have additional light button. PPUH „GECO” EDITION I PRINTOUT DATE 18-04-30...
  • Page 18 18 SERVICE MANUAL FOR PRODUCERS SBR TYPE GC201 Fig. 3 Diagram of connecting the device and sensors to the GC201.03 regulator model with a higher power compressor relay that does not have a button for lighting control. PPUH „GECO”...
  • Page 19 Page 19 SERVICE MANUAL FOR PRODUCERS SBR TYPE GC201 Fig. 4 Diagram of connecting the device and sensors to the GC201.04 regulator model with a compressor relay that does not have a button for lighting control. PPUH „GECO” EDITION I...

  • Page 20: Information About Marking And Collection Of Used Electrical And Electronic Equipment

    20 SERVICE MANUAL FOR PRODUCERS SBR TYPE GC201 INFORMATION ABOUT MARKING AND COLLECTION OF USED ELECTRICAL AND ELECTRONIC EQUIPMENT WARNING! The crossed-out wheelie bin symbol on your product or packaging reminds you that all electrical and electronic products be taken to separate collection at the end of their working life.
  • Page 21 Page 21 SERVICE MANUAL FOR PRODUCERS SBR TYPE GC201 P.P.U.H. „Geco” Sp. z o. o. Cholerzyn 376 32-060 Liszki, Poland tel. +48 (12) 6369811,6361290 fax. +48 (12) 6362002 e-mail: geco@geco.pl http://www.geco.pl PPUH „GECO” EDITION I PRINTOUT DATE 18-04-30...

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