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Full Gauge Controls RCK-862 plus Manual
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Full Gauge Controls RCK-862 plus Manual

Full Gauge Controls RCK-862 plus Manual

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RCK-862 plus
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OLED
Graphic
Supervisory
USB
Hour meter
Alarms
Display
System
Progressive
Suction
Discharge
Dynamic
Preset
Modbus
Algorithm
Control
Control
Condensation
System
Protocol
1

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Summary of Contents for Full Gauge Controls RCK-862 plus

  • Page 1 RCK-862 plus OLED Graphic Supervisory Hour meter Alarms Display System Progressive Suction Discharge Dynamic Preset Modbus Algorithm Control Control Condensation System Protocol...

  • Page 2: Table Of Contents

    1. SUMMARY 1. SUMMARY............................................2 2. DESCRIPTION.............................................4 3. APPLICATIONS...........................................5 4. GLOSSARY.............................................5 5. TECHNICAL SPECIFICATIONS.......................................6 6. ELECTRICAL PRECAUTIONS......................................6 7. INSTALLING THE RCK-862 plus....................................7 8. DIMENSIONS.............................................7 9. WIRING SCHEMACTICS........................................8 10. NAVIGATION KEYS......................................9 11. NAVIGATION TUTORIAL......................................10 12. SUMMARY SCREENS........................................11 12.1 GROUP(S) SUMMARY SCREENS........................................11 12.2 SUCTION SUMMARY SCREENS........................................12 12.3 DISCHARGE SUMMARY SCREENS........................................14...
  • Page 3 16.2.3 DEAD ZONE...............................................40 16.2.4 DEAD ZONE+ROTATION..........................................40 16.2.5 INTEGRAL ACTION...........................................41 17. AUXILIARY FUNCTIONS......................................42 17.1 PUMP DOWN..............................................42 17.2 AUTOMATIC SHUTDOWN COMMANDED BY RCK-862 plus..............................43 17.3 AUTOMATIC SHUTDOWN COMMANDED BY THERMOSTATS..............................45 17.4 PUMP CONTROL..............................................47 17.5 DEFROSTING FOR SUCTION LINES......................................48 17.5.1 DEFROSTING BY TIME..........................................48 17.5.2 DEFROSTING BY SCHEDULE........................................48...

  • Page 4: Description

    The RCK-862 plus is a control module that acts alone or together with expansion modules to increase the number of inputs and outputs in large systems.

  • Page 5: Applications

    3. APPLICATIONS - Low and medium power industrial refrigeration - Rack type refrigeration equipment (compressors in parallel) - Compression centers for supermarkets, logistic storage centers or air conditioning systems - Cold storage facilities - Condensing units - Plug-ins - Chillers 4.

  • Page 6: Technical Specifications

    -Installation or maintenance of the product must be performed only by qualified professionals. ACCESSORIES: -Use only Full Gauge Controls original accessories; -In case of doubt, contact technical support. BEING IN CONSTANT DEVELOPMENT, FULL GAUGE CONTROLS RESERVES THE RIGHT TO CHANGE ANY INFORMATION IN THE MANUAL AT ANY TIME, WITHOUT PRIOR NOTICE.

  • Page 7: Installing The Rck-862 Plus

    To remove the controller from the DIN rail, use a wrench compatible with the size of the lock to make a lever. 8. DIMENSIONS For a better fixation of the RCK-862 plus observe the product dimensions. 135,7 mm 135,7 mm [5,34"] [5,34"]...

  • Page 8: Wiring Schemactics

    9.WIRING SCHEMATICS Load Supply SSRs - Solid Relays Type 1 connector State Relays * SSR - SOLID STATE RELAYS - Can only activate loads powered by alternating current; - The load must consume a minimum current of 10mA; - The output can present a leakage current of up to 1.5mA (220Vac). 24Vac/dc Type 1 connector The C and GND signals are...

  • Page 9: Navigation Keys

    10.NAVIGATION KEYS To toggle between screens, edit parameters, view advanced functions and other features, the RCK-862 plus has 6 navigation keys: MENU INCREASE DECREASE BACK ALARM MENU key: Access the Main Menu and the Control Menu. Control Menu: Press the MENU key.

  • Page 10: Navigation Tutorial

    11.NAVIGATION TUTORIAL Gr1 DD/MM HH:MM:SS Suction: The first summary screen is the G R O U P 1 . Yo u c a n f i n d #1 100.0 psi information about the controlled #2 100.0 psi system. #3 100.0 psi Discharge: #1 100.0 psi By using the INCREASE and...

  • Page 11: Group(S) Summary Screens

    12.1. Group summary screen: Displays the basic status of the lines (Suction and/or Discharge) that make up the group, when configured to display it. By default, the RCK-862 plus is configured with Suction 01 and Discharge 01 in Group 01. If the Group is not configured, access the...

  • Page 12: Suction Summary Screens

    12.SUMMARY SCREEN 12.2. Suction summary screen: On this screen it is possible to view the basic suction status. To configure the Suction lines, access the Main Menu Function settings Suction. For more information see section 18. Main Menu Function 1.1.2 Pressure control: Suc1 On Eco Pd M Suc1 On Eco Pd M...
  • Page 13 12.SUMMARY SCREEN Identification of the suction line on display: : Percentage of power referring to the active outputs by RCK-862 plus. Suc1: Suction 1; Suc2: Suction 2; : Percentage of power required by the system for the operating interval. Suc3: Suction 3.

  • Page 14: Discharge Summary Screens

    12.SUMMARY SCREEN 12.3. Discharge summary screen: Displays the basic status of the enabled Discharge line. To configure the Discharge lines, access the Main Menu Function Configuration Discharge. For more information see section 18. Main Menu Function 1.1.3 Pressure control: Des1 On Eco N Set: 300.0 Press: (40.3...
  • Page 15 : It is pressure value read by the discharge transducer. : Percentage of power referring to the active outputs by the RCK-862 plus. : Displays the active pressure or temperature setpoint value. It can be the main or economic : Percentage of power required by the system setpoint or resulting from the calculation of the for the operating range.

  • Page 16: Continuation Of Summary Screens

    12.SUMMARY SCREEN 12.4. Continuation of summary screens: For each suction and discharge has a summary screen where you can see how many outputs are connected and their respective status. After the equal sign, you can see the percentage number of the control outputs connected with each compressor and fan that are on. It can even monitor the capacity control status (unloaders valves and inverter output).

  • Page 17: Individual Pressure

    12.SUMMARY SCREEN 12.5. Individual pressure switches The individual pressure switch screens are accessed from the Control Menu. To toggle between the available pressure switches just navigate using the keys Prs1 On Pres:25.3 psi SP 1 SP 2 SP 3 10.0 20.0 30.0 SP 4...

  • Page 18: Individual Thermostats

    12.SUMMARY SCREEN 12.6. Individual thermostats The individual thermostat screens are accessed from the Control Menu. To toggle between the available pressure switches just navigate using the keys Trm1 On Setpoint: 20.0 °C Ambient t.: 30.0°C Evap t.: 2.0°C Comp out: Fan out: Defrost: Thermostat on display: Defrost output status.

  • Page 19: Inputs And Outputs

    12.SUMMARY SCREEN 12.7. Inputs and outputs: RCK-862 plus The input and output menu allows you to view the status of all inputs and outputs of the and its configured expansion modules, as well as to check their function. Outputs - Base...

  • Page 20: Auxiliary Input

    12.9. Alarm outputs: The alarm outputs menu allows you to view the current state of the alarm outputs of the RCK-862 plus, as well as check their function. To visualize which function is assigned to a given output, navigate to the desired item using the...

  • Page 21: Compressor Protection Thermostats

    12.SUMMARY SCREEN 12.10. Compressor protection thermostats Thermostat information is accessed from the Control Menu. To toggle between the available compressors just navigate using the keys Therm. compressors Suc. 1 Temp: 50.0 °C Comp.1 Out Suc. 1 Temp: 50.0 °C Comp.2 Out Suc.

  • Page 22: Economizer

    12.SUMMARY SCREEN 12.12. Economizer: Allows viewing of Economizer information. Economizer Suc. 1 - Comp. 1 T.Discharge: 65.0 °C Output: Line press.: 60.5 psi Suction and compressor reference. Output status. Compressor discharge temperature. Economizer line pressure. 12.13. Antifreeze: Allows viewing of the Antifreeze information. Antifreeze 1 Suction 1 T.

  • Page 23: Control Menu

    13.CONTROL MENU key, has settings and commands for easy access to the operations of the RCK-862 plus. The Control Menu is accessible by pressing the Control menu: Access control Control status Suction Control Thermostat Control Resetting alarms Setpoint Adjustment Economic setpoint...

  • Page 24: Cooling Groups

    14. 1 Suction control: O RCK-862 plus Allows the assignment of links between suction and discharge lines. These links are formed by creating groups, which are sets of suction and discharge lines. Some commands via menu and digital inputs can be assigned to the groups. Additionally, alarms that occur in the discharge line affect the suction lines of the same group by shutting down compressors.
  • Page 25 14.REFRIGERATION GROUP In addition to the linkage created by the groups, it is possible to enable synchronization between two suction lines. If synchronization between suction 1 and 2 is enabled (1.1.26). Suction 2 is forced to operate at minimum capacity before the first compressor of suction 1 starts. In case of a shutdown due to an alarm in suction 2, suction 1 is also shut down.

  • Page 26: Suction Controls

    Suction control parameters are adjusted in the following Menu: Main Menu → Function Configuration → Suction. Compressor control is associated with a suction pressure switch. The RCK-862 plus enables control of up to 3 suction pressure switches with up to 6 compressors each.

  • Page 27: Modulation Of Variable Capacity Compressors (Vcc)

    VCC: Startup Capacity Time (1.2.x.88). The RCK-862 plus algorithm automatically determines when auxiliary outputs should be activated. If fixed time intervals for valve control are desired, the desired period should be selected in the VCC-Digital: Control Period parameter (1.2.x.92).

  • Page 28: Screw Compressor With Slide Valve

    The Linear Control Mode, when associated with only digital outputs, controls the sequential activation and deactivation of each compressor with pressure intervals of the same magnitude (step). The RCK-862 plus uses a setpoint value and pressure hysteresis for suction control of the compressors.
  • Page 29 15.SUCTION CONTROLS Example: Linear control linked only with ON-OFF compressors ON / OFF compressors only When using on / off compressors (ON / OFF), each compressor is associated with only one output, so the Step is equal to hysteresis by dividing the number of compressors 1.2.x.1 Control mode: Linear 1.2.x.39 Compressor 2 modulation: ON / OFF...

  • Page 30: Linear Mode Linked With A Vcc Compressor In Conjunction With On/Off Compressors

    15.SUCTION CONTROLS 15.4.1.2 Linear Mode associated with a VCC compressor in conjunction with ON / OFF compressors: When the VCC compressor, either analog or digital, operates in conjunction with On/Off compressors - whether with unloaders or not - the control is managed through a setpoint value and two hysteresis values.

  • Page 31: Linear Mode Linked With A Vcc-Digital Compressor

    15.SUCTION CONTROLS 15.4.1.4 Linear mode connected to a VCC-Digital compressor. The VCC-Digital is used to control compressors with capacity modulation through solenoid valves. The control is based on the setpoint value and the hysteresis of the VCC compressor. Example: Compressor with modulation through 2 valves, each controlling 50% of the capacity. 1.2.x.1 Control mode: Linear 1.2.x.54 Compressor 1 Auxiliary Output 1: O2 1.2.x.3 Setpoint: 25 psi...

  • Page 32: Dead Zone Mode

    15.SUCTION CONTROLS 15.4.3 Dead zone mode: Dead band control involves defining a regulation band around the setpoint where the control action remains fixed, except for VCC compressors. The control system operates differently across the three distinct operating ranges: above, within, and below the dead band. The dead band region is defined by the parameters Lower dead band differential (1.2.x.8 or 1.2.x.17) and Upper dead band differential (1.2.x.9 or 1.2.x.18).

  • Page 33: Progressive Algorithm Mode

    15.SUCTION CONTROLS 15.4.5 Progressive algorithm mode: The Progressive Algorithm is an ideal control mode for systems using compressors of different capacities for suction. The Progressive Algorithm considers the capacities of each compressor to meet the thermal demand of the system, aiming to optimize the use of unloader valves and minimize the number of starts and stops of compressors.

  • Page 34: Saturation Temperature Control

    15.4.7 Control by temperature of a secundary fluid: The RCK-862 plus allows compressor control based on the temperature of a secondary fluid, different from the refrigerant in the main refrigeration circuit. This is achieved using temperature sensors measuring the temperature of the fluid of interest.

  • Page 35: Integral Action

    15.SUCTION CONTROLS 15.4.8 Integral action: In some systems, the control of compressors with only proportional action (Setpoint and hysteresis) tends to present an error in steady state (not reaching the setpoint) or to show oscillatory behavior (excessive pressure variation around the setpoint and high number of compressor start). In these cases, the use of integral action together with proportional control has the objective of keeping the control pressure stable, converging to values close to the setpoint.

  • Page 36: Low Pressure Disconnection

    15.SUCTION CONTROLS 15.4.9 Low pressure shutdown It allows configuring a pressure range where the activated capacity of the line is limited to prevent the system from reaching low pressures during operation. Its use is recommended when the control variable is not the suction pressure.. The shutdown logic operates when the pressure is within the range between "Low Pressure for Shutdown"...

  • Page 37: Lubrication Control

    15.SUCTION CONTROLS 15.4.10 Lubrication control: The circulation of lubricating oil through the refrigeration circuit is ensured by the operation of the compressor. However, during periods of low capacity operation, this circulation is compromised, and there may not be sufficient return of lubricant back to the compressor. To promote oil circulation during periods of low capacity operation, lubrication control functions should be used.

  • Page 38: Control Of Capacity Variation Rate For Variable Compressors

    15.SUCTION CONTROLS 15.4.11 Control of capacity variation rate for variable compressors: RCK-862 plus allows for the assignment of ramp rates during the startup, operation, and controlled shutdown of variable compressors. The compressor will only start if the system demand exceeds the value set in "VCC: Minimum Starting Capacity" (1.2.x.86).

  • Page 39: Discharge Controls

    (step). The RCK-862 plus uses a setpoint value and pressure or temperature hysteresis (depending on the type of control) to control the discharge. Actuation Pressure value of the ‘’N’’ Output Actuation = Setpoint + (N x Step) Shutdown Pressure value of the output ‘’N’’...

  • Page 40: Discharge Control

    16.DISCHARGE CONTROL 16.2.1.3 Linear mode using a fan (inverter) together with fans linked with digital outputs Fan 1 of each discharge can be controlled proportionally and associated with a 0-10V proportional analog output for its control. To do this, the modulation for Fan 1 should be set to inverter and an analog output assigned (1.3.x.29).

  • Page 41: Integral Action

    16.DISCHARGE CONTROL 16.2.5 Integral Action: In some systems the control of fans with only proportional action (Setpoint and hysteresis) tends to present an error in steady state (not reaching the setpoint) or to show oscillatory behavior (excessive pressure variation around the setpoint and high number of fan activations). In theses cases, the use of integral action together with proportional control has the objective of keeping the control pressure stable, converging to values close to the setpoint.

  • Page 42: Auxiliary Functions

    For manual shutdown, it is recommended to assign a digital output to command a block valve for the group. For automatic shutdown there are two options: Controlled by the RCK-862 plus via a digital output, for commanding a block valve or for signaling an expansion valve controller;...

  • Page 43: Automatic Shutdown Commanded By Rck-862 Plus

    If a digital output with fluid collection function is assigned to a suction line (1.7.1.17, 20 or 23) the compressors are switched off with fluid collection. The RCK-862 plus assumes that the pumpout output commands a valve to stop the cooling flow or sends a signal to an external controller for the electronic expansion valve to close.
  • Page 44 17.AUXILIARY FUNCTIONS Compressors Output from Pump Down Evaporator Valve of expansion Valve solenoid Compressors Output Pump Down Driver Evaporator Valve of Expansion Example: Suction 1 operating with 2 compressors and a digital output for activating a Pump Down valve: Groups: 1.1.2 Number of suction pressure switches: 1 1.1.5...

  • Page 45: Automatic Shutdown Commanded By Thermostats

    Pump Down function in menu In this case, the connection between an external controller 1.6. RCK-862 plus. output and an input is required. To create a link between an internal thermostat “Individual Thermostat (1.7.6)''...
  • Page 46 17.AUXILIARY FUNCTIONS Example: Suction 1 operating with 2 compressors, 2 External Thermostats and 1 Individual Thermostat: Suction 1: Pressure setpoint: 50.0 psi 1.2.1.3 Hysteresis of On/Off compressors: 10 psi 1.2.1.5 1.2.1.31 Number of compressors: 2 1.2.1.38 Modulation of compressor 1: On/Off 1.2.1.39 Modulation of compressor 2: On/Off 1.2.1.53...

  • Page 47: Pump Control

    17.4 Pump control: The RCK-862 plus plus allows for the use of up to 3 pump groups, with each group capable of configuring up to three pumps operating in rotation. Pumps 2 and 3 have an Operation Mode configuration (1.7.7.x.7 e 1.7.7.x.8) that can be set to either Rotation or Standby. A pump configured as Standby only activates when a rotating pump is turned off due to an alarm or is undergoing maintenance.

  • Page 48: Defrosting For Suction Lines

    Compressor 17.5 Defrost for suction lines: By stopping the compressor controlled through suction lines directly RCK-862 plus, either manually, via menu or RS-485, by time or defrost schedule. Compressors are switched off, respecting the compressor on and off times, or with fluid collection, if enabled in menu 1.7.1. The defrost time is counted after switching off the last compressor.

  • Page 49: Compressor Protection Thermostats

    17.AUXILIARY FUNCTIONS 17.6 Compressor protection thermostats: A protection thermostat can be configured for each of the 6 compressors on the 3 suction lines. Each thermostat has a sensor for measuring the compressor temperature, a digital output for activating a cooling device and a shutdown alarm. The output is activated, and the high temperature alarm only occurs when the compressor is on.

  • Page 50: Temperature Controlling Using Two Sensors (Differential Tbs-Tbu)

    (1.7.3.x.4) and Differential for shutdown (1.7.3.x.5), the control is done by both modes (temperature differential and temperature limits). Whenever at least one of the two modes have an actuation condition, the RCK-862 plus activates the control output of the adiabatic condensation. In this case, the output will be activated when the temperature of the dry bulv sensor exceeds the Temperature for activation and will be shut down when the temperature is lower than the Temperature for shutdown;...

  • Page 51: Dynamic Condensation

    17.9 Individual Pressostat: The RCK-862 plus allows configuring up to 3 individual pressure switches disconnected from the Rack’s main control. On each pressure switch, it is possible to associate a pressure sensor and up to 6 digital outputs with setpoint and independent hysteresis.

  • Page 52: Individual Thermostat

    17.10 Individual Thermostat: The RCK-862 plus allows for the configuration of up to 6 thermostats for controlling the temperature of auxiliary circuits. Each thermostat can be configured to operate in either heating or cooling mode. In heating mode, the output is activated if the temperature value is below (setpoint - hysteresis) and deactivates if the temperature value is above the setpoint.

  • Page 53: Economizer

    The RCK-862 plus includes three sets of functions for activating an economizer system for compressors, each set assigned to Compressor 1 of each suction group, respectively. The economizer system is enabled through a digital output, which is activated if the operational rules are met. To delay the activation of the economizer and ensure that the refrigeration circuit is in a determined operational regime, the output can only be activated after the "Activation Delay"...

  • Page 54: Antifreeze

    17.13 Antifreeze: The RCK-862 plus provides the capability for up to 6 anti-freeze protection groups for secondary fluid. These groups must be connected to the suction lines to ensure that protection is directed specifically to the compressors when a freezing risk condition is identified. To establish this communication between the anti-freeze protection and one or more suction lines, the desired link must be selected in the function "Control Link"...

  • Page 55: Alarms

    18.ALARMS The RCK-862 plus controller has an alarm system in which it is possible to configure protection or display-only alarms. All alarm settings are linked to the suction and discharge pressure switches. In the event of an alarm, an audible warning will sound and remain active until one of the following conditions occurs: - The alarm condition no longer occurs, and the alarm is not in a manual reset condition.

  • Page 56: Automatics Resets

    (1.4.4.1), the intervals between attempts and a period within which attempts will be made. If the number of attempts is set to the minimum ‘’Off’’ value, the reset must be manual only. If the maximum value ‘’Always’’ is set, the RCK-862 plus does not limit the number of reset attempts, it only respects the times.

  • Page 57: Alarm Tables

    AL0004 (Contact Full Gauge Controls). The RCK-862 plus can control up to 3 suction pressure switches. The address of each pressure switch in the alarm 18.4.2 Suction alarms: nomenclature is represented by the letter ‘’x’’. Where ‘’x’’ can be 1, 2 or 3 and represents suction pressure switches 1, 2 or 3, respectively.
  • Page 58 18.ALARMS Description Alarm Effect Shuts off compressor 6. The inhibition and validation times available in menu 1.4.1 do not apply to this alarm. Compressor safety input 6 AL0x17 Turns off all compressors on the suction line and fans on the discharge line, regardless of the time set up between shutdowns (if there is more than one suction line in the Low pressure digital input (LP) AL0x18...
  • Page 59 18.ALARMS Description Alarm Effect Turns off all compressors on the suction line and fans on the discharge line, regardless of the time set up between shutdowns (if there is more than one suction line in the AL0x47 External fault 3 group with running compressors, the fans remain on).

  • Page 60: Discharge Alarm

    AL0x60 inhibition time (1.4.1.4) does not apply to this alarm. The RCK-862 plus can control up to 3 discharge pressure switches. The address of each pressure switch in the alarm 18.4.3 Discharge alarms: nomenclature is represented by the letter ‘’x’’. Where ‘’x’’ can be 4, 5 or 6 and represents discharge pressure switches 1, 2 or 3, respectively.
  • Page 61 18.ALARMS Description Alarm Effect Turns off all compressors from the group's suction lines, disregarding the time between shutdowns. If the menu function 1.7.1 - Suction x: Enable Pump Down is configured as Yes, one of the compressors remains on Critical high saturation temperature AL0x06 until it reaches the pressure or pump time down configured for the respective group.

  • Page 62: Individual Pressostat Alarms

    18.ALARMS Description Alarm Effect Shut off the adiabatic condensation outlet. This alarm remains active for 1 minute. The validation time for AL0x26 Adiabatic condensation validation time temperature alarms (1.4.1.2) does not apply to this alarm. Difference between main and backup pressure sensors Indicative alarm.

  • Page 63: Individual Thermostat Alarms

    18.ALARMS 18.4.4 Individual pressure switch alarms: The RCK-862 plus can control up to 3 individual pressure switches. The address of each pressure switch in the alarm nomenclature is represented by the letter ‘’x’’. Where ‘’x’’ can be 7, 8 or 9 and represents, respectively, the individual pressure switches 1, 2 or 3.
  • Page 64 18.ALARMS Description Alarm Effect Shut off all controller outputs (except alarm outputs). No communication with expansion 8 AL1908 Shut off all controller outputs (except alarm outputs). No communication with expansion 9 AL1909 Shut off all controller outputs (except alarm outputs). No communication with expansion 10 AL1910 18.4.8 Sensor Failure Alarms:...

  • Page 65: Antifreeze Alarms

    18.ALARMS Description Alarm Effect In the Suction and Discharge groups, control is assumed by the sensor failure logic configured in menu 1.5. For other logics, the AL2x09 Sensor failure S9 control output is turned off. In the Suction and Discharge groups, control is assumed by the sensor failure logic configured in menu 1.5.

  • Page 66: Main Menu

    19.MAIN MENU The Main Menu is accessible by pressing the key dddd for at least 3 seconds when using the Groups, Suction or Discharge keys. 1 Main Menu: 1.1 Settings: 1 Functions settings 1 Groups 2 System 2 Suction settings 3 Communication 3 Discharge settings...

  • Page 67: Communication Settings

    Allows the setpoint of the suctions to be adjusted through the control menu without requiring a change in access level. 19.3 Communication settings: The RCK-862 plus features two independently configurable RS-485 communication ports for communication with Sitrad software or supervisory systems using the MODBUS protocol.

  • Page 68: Communication Modbus

    19.4 Expansions: The RCK-862 plus has the possibility to expand the number of inputs and outputs using expansion modules. This feature allows you to control more complex systems, increasing the number of controlled devices and expanding the possibilities for monitoring and protecting the system.

  • Page 69: Exporting Preset

    On the RCK-862 plus the module model used at each address must be selected. To do this, access the menu 4.x, where x represents the address from 1 to 10, and select the corresponding model.

  • Page 70: Data Management

    19.MAIN MENU 19.5 Data management: The RCK-862 plus has a USB port with support for communication via pen drive, where it is possible to manage presets and update the controller firmware. Access path: Main Menu Data manager. RCK-862 plus 19.5.1 Export preset Pendrive (5.1):...

  • Page 71: Parameter Table

    20.PARAMETER TABLE 1.1 Groups: Settings menu related to groups. A group is a set of suction or discharge lines that have links (same refrigerator circuit). Example: A Rack-type refrigeration system with two suction lines, one for frozen and one for colds, sharing the same discharge line forms a group composed of three pressure switches.
  • Page 72 Defines the amount of suction pressure switches that are controlled by the RCK-862 plus. 1.1.3 Number of discharge pressure switches: Defines the amount of discharge pressure switches that will be controlled by the RCK-862 plus. 1.1.4 General time between compressor starts: Defines the time between compressor starts to prevent simultaneous activations.
  • Page 73 20.PARAMETER TABLE 1.1.17 Group 1 Night mode entry time: Sets the time when unload 1 goes into capacity-limited night mode. 1.1.18 Group 1 Night mode exit time: Sets the time when download 1 exits night mode. 1.1.19 Group 1 Night time limit of fans: Sets the maximum discharge line capacity value during the night period.
  • Page 74 20.PARAMETER TABLE Function Description Standard Minimum Maximum Unit Upper dead zone differential temperature 0,0 (0,0) 200,0 (360,0) 0,0 (0,0) °C (°F) 1.2.x.18 Minimum temperature setpoint -200 (-328,0) 200,0 (392,0) -50 (-58,0) °C (°F) 1.2.x.19 Maximum temperature setpoint -200 (-328,0) 200,0 (392,0) 200,0 (392,0) °C (°F) 1.2.x.20...

  • Page 75: Control Mode

    20.PARAMETER TABLE Function Description Standard Minimum Maximum Unit Compressor 5 - Main output 1.2.x.70 Compressor 5 - Auxiliary output 1 1.2.x.71 Compressor 5 - Auxiliary output 2 1.2.x.72 Compressor 5 - Auxiliary output 3 1.2.x.73 Compressor 6 - Main output 1.2.x.74 Compressor 6 - Auxiliary output 1 1.2.x.75...
  • Page 76 20.PARAMETER TABLE 1.2.x.4 Economic pressure setpoint: Alternative pressure setpoint value, generally higher than the pressure setpoint (1.2.x.3). Hysteresis of On / Off compressors pressure: 1.2.x.5 It is the pressure range for controlling the On / Off compressors with or without unloaders. This pressure value is related to the setpoint that defines the actuation points for each compressor (actuation interval = setpoint + hysteresis).
  • Page 77 20.PARAMETER TABLE Minimum temperature setpoint 1.2.x.19 Lowest possible value for adjusting the setpoint. The purpose is to prevent unreasonably low pressures from being regulated by mistake from the normal and economic setpoint. 1.2.x.20 Maximum temperature setpoint: Highest possible value for setpoint adjustment. The purpose is to prevent unreasonably high pressures from being regulated by mistake from the normal and economic setpoint.

  • Page 78: Shutdown Sequence

    20.PARAMETER TABLE On/Off 25 I 50 I 75 I 100: Compressor that uses four digital outputs (relay) for its actuation. The main output corresponds to 25% of the compressor capacity and each of the three auxiliary outputs corresponds to 25% of the compressor capacity. VCC - Analog: Variable capacity compressor that uses an analog output (0-10V) for its control (available in compressor 01 of each suction line).
  • Page 79 20.PARAMETER TABLE 1.2.x.57 Compressor 01 auxiliary output 04: Compressor xx auxiliary output 04 address. 1.2.x.78 Time between compressor actuation: The function applies to the main control outputs of the compressors and is the minimum time between two actuations of the main digital outputs in the suction lines.
  • Page 80 20.PARAMETER TABLE 1.2.x.93 VCC - Digital / Minimum valve activation time : Configures the minimum time the valves of VCC-Digital compressors must remain on or off during modulation. 1.2.x.94 VCC - Capacity to enter lubrication control: Defines the capacity value below which the lubrication control routine is initiated. 1.2.x.95 VCC - Capacity during lubrication control: Defines the compressor capacity value during the lubrication control routine.
  • Page 81 20.PARAMETER TABLE Function Standard Description Minimum Maximum Unit Fan 1 minimum capacity 1.3.x.26 Fan 1 start-up capacity 1.3.x.27 Fan 1 maximum capacity 1.3.x.28 Fan 1 Analog output 1.3.x.29 Fan 1 Digital output 1.3.x.30 Fan 2 Digital output 1.3.x.31 Fan 3 Digital output 1.3.x.32 Fan 4 Digital output 1.3.x.33...
  • Page 82 20.PARAMETER TABLE 1.3.x.7 Lower dead zone differential: Pressure differential, below the setpoint that allows the compressors to be shut off. Used in the Dead zone and Dead zone with rotation control modes. 1.3.x.8 Upper dead zone differential: Pressure differential, above the setpoint that allows the compressors to be actuated. Used in the Dead zone and Dead zone with rotation control modes. 1.3.x.9 Minimum pressure setpoint Lowest possible value for setpoint adjustment.
  • Page 83 20.PARAMETER TABLE 1.3.x.25 Fan 1 Modulation: Fan 1 modulation type is selected: ON I OFF (digital output) or INVERTER (analog output). It is possible to configure an output with start / stop function to operate together with the analog. To do this, just configure the ‘’digital output of fan 1'’. 0 = No modulation 1 = Inverter 1.3.x.26 Fan 1 Minimum Capacity:...
  • Page 84 20.PARAMETER TABLE 1.4 Alarms: Parameters related to alarm settings. 1.4.1 Alarm settings: Function Description Standard Minimum Maximum Unit Pressure alarm validation time 1.4.1.1 9999 Temperature alarm validation time 1.4.1.2 9999 Other alarms validation time 1.4.1.3 9999 Alarm inhibition time 1.4.1.4 9999 Difference between pressure sensors 0 [Off]...
  • Page 85 20.PARAMETER TABLE 1.4.2.x.3 Hysteresis of pressure alarms: It is pressure difference to get out of the alarm situation. 1.4.2.x.4 Low saturation temperature: Enables the alarm when the temperature is higher than the configured value. Difference between temperature sensors. 1.4.2.x.5 High saturation temperature: Enables the alarm when the temperature is lower than the configured value.
  • Page 86 This feature allows you to adjust the time for the number of automatic reset attempts (1.4.4.1). If all automatic resets have already been carried out within the time set in this feature and another fault occurs, the RCK-862 plus controller only resumes operation with a manual reset.
  • Page 87 1.4.5.x Alarm output: The RCK-862 plus has up to six configurable alarm outputs. For each output, a specific alarm on the control lines can be linked and the output can be configured to cycle on and off or only on in the event of an alarm.
  • Page 88 20.PARAMETER TABLE 1.5 Actuation in case of sensor fault: It allows configuring the status of each compressor or fan (on, off or cycling) in a sensor fault condition that measures the suction pressure or the discharge pressure / temperature. This logic serves to keep the system in emergency operation in the event of a sensor fault. If a backup sensor is configured, this mode will only start if the main and backup sensors are faulty.

  • Page 89: Input Function

    20.PARAMETER TABLE 1.6.x.2 Input function: Input x can have different functions associated with its activation and deactivation as follows: - None: Function not configured, no effect. - Safety Input X: For Suction and Discharge: Immediately shuts off the compressor or fan x (1 to 6) from the associated suction or discharge line and logs an alarm event. - Economic Setpoint: Changes the setpoint to economy mode.
  • Page 90 20.PARAMETER TABLE Contact type NO-NC: 1.6.x.4 Actuation status at the input. NO is actuated via a normally open contact and NC is actuatead via a normally closed contact. 1.7 Auxiliary functions: 1.7.1 Pump Down: Function Description Minimum Maximum Standard Unit Group 1: Shutdown pressure -14,7 (-1,0) 3191,0 (220,0)
  • Page 91 20.PARAMETER TABLE 1.7.1.x.5,10 and 15 Group x:Contact type NO-NC State of actuation on entry. NO is actuated via a normally open contact and NC is actuated via a normally closed contact. 1.7.1.x.16,19 and 22 Suction x: Enables Pump Down: Enables shutdown with fluid collection in suction 1. In case of shutdown condition (setpoint or defrost) the last compressor remains in operation until it reaches the shutdown pressure or the maximum time of the group associated with this suction line.
  • Page 92 20.PARAMETER TABLE Compressor protection thermostat: 1.7.2.x The letter x represents compressors 1 to 6 for each suction line. Suction 1: x between 1 and 6. Suction 2: x between 7 and 12. Suction 3: x between 13 and 18. Function Description Minimum Maximum...
  • Page 93 20.PARAMETER TABLE 1.7.3.x.2 Temperature for actuation: Temperature of the dry bulb sensor to actuate the output. 1.7.3.x.3 Temperature for shutdown: Temperature of the external temperature sensor (TBS) for shutting down the output. 1.7.3.x.4 Activation differential: Value of the difference between dry and wet bulb temperatures for actuating the output. 1.7.3.x.5 Shutdown differential: Value of the difference between dry and wet bulb temperatures for shutting down the output.
  • Page 94 20.PARAMETER TABLE 1.7.4.x.1 Fluctuation start temperature: Temperature value for starting control of the discharge setpoint. Dynamic condensation operates below this value. 1.7.4.x.2 Minimum safety setpoint: Minimum value of the pressure setpoint for the discharge. 1.7.4.x.3 Low subcooling for logic disable: Minimum subcooling value.
  • Page 95 20.PARAMETER TABLE 1.7.5.x.14 Pressure sensor: Specifies the pressure sensor. Sensor options: 0 = Not configured 4 = Base - S4 1 = Base - S1 5 = Base - S5 Note: The sensors present in the expansion modules will be listed in 2 = Base - S2 6 = Base - S6 menu 4 after their configuration.
  • Page 96 20.PARAMETER TABLE 1.7.6.x.1 Operation mode: Configures the Operation Mode. 0 = Off 1 = Heating 2 = Cooling 1.7.6.x.2 Temperature setpoint: Output temperature setpoint. 1.7.6.x.3 Temperature hysteresis: Temperature control hysteresis linked to individual thermostat output. 1.7.6.x.4 Low pressur alarm: Enables the alarm indication when the temperature is lower than the configured value. 1.7.6.x.5 High pressure alarm: Enables the alarm indication when the temperature is higher than the configured value.
  • Page 97 20.PARAMETER TABLE 1.7.6.x.19 Maximum time for fan return after draining: For safety, if the evaporator temperature does not reach the value set in the previous function or the evaporator temperature sensor is disconnected, the fan will return after the time configured in this function has elapsed. 1.7.6.x.20 Startup defrost: Determines that the thermostat enters the defrost process when the controller is energized or when the thermostat control is manually enabled or via digital input.
  • Page 98 20.PARAMETER TABLE 1.7.7.x.9 Control link: Defines which suction lines remain linked to the pump control. The link between the pump control and a suction line establishes a relationship where the compressors can only operate if there is flow of secondary fluid, i.e., if at least one pump is operating. 0 = Not linked 1 = Suction 1 4 = Group 1 Suctions...
  • Page 99 20.PARAMETER TABLE 1.7.10 Antifreeze (6 sets): Function Description Standard Minimum Maximum Unit Minimum antifreeze alarm temperature -50,1 [Off] (-58,2) 200,0 (392,0) -50,1 [Off] (-58,2) °C (°F) 1.7.10.x.1 Control output activation temperature -50,1 [Off] (-58,2) 200,0 (392,0) -50,1 [Off] (-58,2) °C (°F) 1.7.10.x.2 Compressor shutdown temperature -50,1 [Off] (-58,2)
  • Page 100 20.PARAMETER TABLE 1.7.11 Economizer, 3 sets or 3 suctions: Function Description Minimum Maximum Standard Unit Enables economizer 1 (compressor 1 of suction 1) 1.7.11.x.1 Activation delay 1.7.11.x.2 9999 Minimum activation capacity 1.7.11.x.3 Minimum deactivation capacity 1.7.11.x.4 Minimum evaporation temperature -50,0 (-58,0) 200,1 [Off] (392,2) 200,1 [Off] (392,2) °C (°F)
  • Page 101 20.PARAMETER TABLE 1.8 Maintenance time: Time setting for maintenance of compressors and fans. 1.8.x Suction / Discharge: The letter x represents suctions (x between 1 and 3) and discharges (x between 4 and 6). Function Description Minimum Maximum Standard Unit Maintenance time for compressor / fan 01 0 [off] 0 [off]...

  • Page 102: Pressure Offset

    20.PARAMETER TABLE 1.10.x.1 Pressure at 4mA: Sensor pressure value at 4mA (low full scale). 1.10.x.2 Pressure at 20mA: Sensor pressure value at 20mA (high full scale). 1.10.x.3 Pressure offset: It allows to offset deviations in the pressure reading. 1.10.x.4 Temperature offset: It allows to offset deviations in the temperature reading.

  • Page 103: Important

    After this year with resellers, the warranty will continue to be effective if the instrument is sent directly to Full Gauge Controls. This period is valid for the Brazilian market. Other countries have a 2 (two) year warranty. The products are guaranteed in case of manufacturing failure that makes them improper or unsuitable for the applications for which they are intended.