AKO AKO-21006 User Manual Download Page 110

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110

CONDENSA

TION

COND_1

Condensation SP

COND_2

COND_3

COND_2

COND_3

CONF_8

GENERIC

(Default V

alue R404A)

COND_2

COND_3

COND_2

COND_3

R404A

COND_2

COND_3

COND_2

COND_3

R134A

COND_2

COND_3

COND_2

COND_3

R717

COND_2

COND_3

COND_2

COND_3

R22

COND_2

COND_3

COND_2

COND_3

R410

COND_2

COND_3

COND_2

COND_3

R507

COND_2

COND_3

COND_2

COND_3

R744

R/W

CONDENSA

TION SET POINT

COND_2

Upper

Cond. SP

Limit

99.9

COND_3

99.0

COND_3

CONF_8

GENERIC

(Default V

alue R404A)

35.8

COND_3

72.0

COND_3

R404A

25.0

COND_3

80.0

COND_3

R134A

40.4

COND_3

80.0

COND_3

R717

35.6

COND_3

80.0

COND_3

R22

44.2

COND_3

68.0

COND_3

R410

34.6

COND_3

68.0

COND_3

R507

74.3

COND_3

32.0

COND_3

R744

R/W

UPPER LIMIT FOR THE

CONDENSA

TION SET POINT

COND_3

Lower

Cond. SP

Limit

R/W

LOWER LIMIT FOR THE

CONDENSA

TION SET POINT

COND_2

-1.0

COND_2

-99.9

CONF_8

GENERIC

(Default V

alue R404A)

COND_2

-0.8

COND_2

-60.0

R134A

COND_2

-0.7

COND_2

-60.0

R717

COND_2

-0.6

COND_2

-60.0

R22

COND_2

-0.3

COND_2

-60.0

R410

COND_2

-0.4

COND_2

-60.0

R507

COND_2

3.4

COND_2

-60.0

R744

COND_2

-0.4

COND_2

-60.0

R404A

COND_4

Fan Control

TYPE OF F

AN CONTROL

R/W

NEUTRAL

ZONE

PROPOR

TIONAL

BAND

COND_5

Positive

Diff. Slow Zone

POSITIVE

WITH RESPECT T

O CONDENSA

TION SET POINT

DIFFERENTIAL

SLOW ZONE

R/W

COND_7

0.0

COND_7

0.0

CONF_8

COND_6

Negative

Diff. Slow Zone

NEGA

TIVE

WITH RESPECT T

O CONDENSA

TION SET POINT

DIFFERENTIAL

SLOW ZONE

R/W

COND_8

0.0

COND_8

0.0

CONF_8

COND_7

Positive

Diff. Fast Zone

POSITIVE

WITH RESPECT T

O CONDENSA

TION SET POINT

DIFFERENTIAL

AST ZONE

R/W

20.0

COND_5

40.0

COND_5

CONF_8

COND_8

Negative

Diff. Fast Zone

NEGA

TIVE

WITH RESPECT T

O CONDENSA

TION SET POINT

DIFFERENTIAL

AST ZONE

R/W

20.0

COND_6

40.0

COND_6

CONF_8

COND_9

Activate Floating Cond.

ACTIV

TE FLOA

TING CONDENSA

TION

R/W

COND_10

Proportional V

alue

T O

F I

-I C

- P

E P

R/W

100

COND_1

Integral V

alue

T O

F I

-I C

- I

E I

R/W

Secs

we make it easy

MAX

MIN

DEF

AUL

ALUE

DEF

AUL

ALUE

ARAMETER

CODE

USER P

ARAMETER

DESCRIPTION

R/W?

Bar

ºC

UNITS

OTHERS

Summary of Contents for AKO-21006

Page 1: ...2100H602 Ed 01 we make it easy AKODUO User Manual The new generation of controllers for compressor racks GB...

Page 2: ...been developed for use in the applications described in the manual AKO Electromec nica does not guarantee its operation in any use not foreseen in this document and accepts no liability in the case of...

Page 3: ...vents historical log of alarms and hours of operation of the compressors As display units DUOControl enables the use of the DUOVision terminal and AKO 5004 Server Software La nueva generaci n de contr...

Page 4: ...s each Up to 8 fans Compressor ON OFF control Fan ON OFF or inverter control 4 20 mA output with built in PI Control Algorithms for compressor rotation Sequential or by hours of operation Algorithm fo...

Page 5: ...mounting 2 User terminals DUOVision or AKO 5004 Programming assistant Basic installation configuration Input Output test Wizard for checking input output wiring Dual multicolour graphic screen Provid...

Page 6: ...of 1 AKO 21801 Module Control unit with 8 digital inputs and 6 digital outputs 1 AKO 21802 Module Extension unit with 3 inputs and 1 output at 4 20 mA 1 AKO 21803 Module Extension unit with 2 digital...

Page 7: ...that the connection be made when all the modules have been fixed to the DIN rail to prevent breakage of the flat cables 2 1 INTERCONNECTION OF THE MODULES The modules are connected together using the...

Page 8: ...modular design of DUOControl enables a controller to be expanded by adding a new AKO 21803 module to its right up to a maximum of 2 Likewise it is also possible to remove one of the AKO 21803 modules...

Page 9: ...gement Recording of events Alarm log MODBUS communication in slave mode Communication with the user terminal DUOVision and AKO 5004 HARDWARE DUOVision communication interface MODBUS communication inte...

Page 10: ...operation ERR LED always OFF in normal operation Appendix A includes the technical specifications for this module The purpose of each of the terminals is described in Section 2 3 D2 Status LEDs for t...

Page 11: ...k 3 x 4 20 mA Inputs 5 6 Interface for communication with other modules 7 Lower terminal block 1 x 4 20 mA Output 8 Button to select the input to be shown on the module Display The Display D makes it...

Page 12: ...4 20 mA input current from the condensation pressure probe 2 4 20 mA input current from the Ambient air temperature probe 4 4 20 mA output current to control the fan inverter Do not take the values on...

Page 13: ...sent in each terminal LED ON 24 V present in the corresponding terminal LED OFF 0 V present in the corresponding terminal SUPPLY LED Lit when the module is connected and correctly supplied with power...

Page 14: ...figure shows the layout of the terminals and their labelling Terminal Function Controller Label AKO 21018 AKO 21012 Controller Label Terminal Function AKO 21802 AKO 21803 AKO 21803 AKO 21801 AKO 2180...

Page 15: ...control panel 0V 0 V line from the control panel T Earth from the control panel I1 General high pressure switch I2 General low pressure switch I3 MANUAL AUTOMATIC selector from the control panel Termi...

Page 16: ...configured by means of the user parameters ENTR_1 and ENTR_2 For further information see Section 3 3 6 The MANUAL AUTOMATIC selector is connected to terminal I3 MANUAL Voltage of 24 V in terminal I3 A...

Page 17: ...T C1 Thermistor Thermistor Switch Oil Pressure Differential Switch Oil Pressure Differential SIMPLIFICATION Contact type can be c o n f i g u r e d b y means of parameter ENTR 3 All the variable wirin...

Page 18: ...C1 T V1 T V2 T V3 T V4 T V5 T V6 T V7 T V8 2 1 T C1 T C2 T V1 T V2 T V3 T V4 T V5 T V6 T V7 2 2 T C1 T C2 T V1 T V2 T V3 T V4 T V5 T V6 T V7 2 3 T C1 T C2 T V1 T V2 T V3 T V4 T V5 T V6 T V7 2 4 T C1...

Page 19: ...T V4 T V5 2 4 T C1 T C2 T V1 T V2 T V3 T V4 C o m p r e s s o r s S t a g e s I 4 I 5 I 6 I 7 I 8 I 9 I 1 0 FANS CONTROLLED ON OFF Detail of the table of inputs for the AKO 21012 Unconnected terminals...

Page 20: ...20 The digital inputs and outputs from the above example are connected as follows B A B a a we make it easy...

Page 21: ...N PARTIALISATION C1 PARTIALISATION C2 In this wiring example the terminals with fixed function and the 4 20mA inputs outputs are absent Section 2 3 1 M M M M M Compressor C2 Compressor C1 Fan V1 Fan V...

Page 22: ...l for alarm output AKO 21006 with 1 compressor of 2 stages and 4 fans with 1 compressor of 3 stages and 3 fans with 1 compressor of 4 stages and 2 fans with 2 compressors of 2 stages and 2 fans with 2...

Page 23: ...T C2 T C2 T C2 T C2 T C2 T VAR T VAR T VAR T C3 T C3 T C3 T VAR T VAR T C4 T VAR C o m p r e s s o r s S t a g e s I 1 I 2 I 3 I 4 I 5 I 6 I 7 I 8 FANS CONTROLLED ON OFF 1 1 1 1 2 2 3 4 V1 C1a C1a C1...

Page 24: ...V5 T V4 T V4 T V3 T V3 T V2 T V2 T V1 C o m p r e s s o r s S t a g e s I 4 I 5 I 6 I 7 I 8 I 9 I 1 0 FANS CONTROLLED ON OFF 1 1 1 1 2 2 2 2 3 3 3 4 4 5 5 6 V1 C1a C1a C1a C2 C1a C1a C1a C2 C1a C1a C...

Page 25: ...T C4 T C4 T C4 T C4 T VAR T VAR T C5 T C5 T C5 T VAR T VAR T C6 T VAR C o m p r e s s o r s S t a g e s I 1 I 2 I 3 I 4 I 5 I 6 I 7 I 8 I 9 I 1 0 I 1 1 I 1 2 FANS CONTROLLED BY INVERTER 1 1 1 1 2 2 2...

Page 26: ...s o r s S t a g e s I 4 I 5 I 6 I 7 I 8 I 9 I 1 0 I 1 1 I 1 2 FANS CONTROLLED ON OFF 1 1 1 1 2 2 2 2 3 3 3 3 4 4 4 4 5 5 5 6 6 V1 C1a C1a C1a C2 C1a C1a C1a C2 C1a C1a C1a C2 C1a C1a C1a C2 C1a C1a C...

Page 27: ...6 T C6 T VAR T VAR T VAR C o m p r e s s o r s S t a g e s I 1 I 2 I 3 I 4 I 5 I 6 I 7 I 8 I 9 I 1 0 I 1 1 I 1 2 FANS CONTROLLED BY INVERTER 1 1 1 1 2 2 2 2 3 3 3 3 4 4 4 4 5 5 5 6 6 6 C1a C1a C1a C2...

Page 28: ...probe measures the ambient temperature of the air flowing through the condenser to cool the refrigerant This information is necessary to control the condensation pressure temperature when using float...

Page 29: ...For the AKO 21012 controller the alarm output is connected to O12 For the AKO 21018 controller the alarm output is connected to O18 If all the outputs terminals are used to control compressors and fa...

Page 30: ...30 Wiring of the inputs and outputs for the previous example KC1 KC2 KV1 KV2 KV3 KC1a KC2a KC1_C KC2_C KV1_C KV2_C KV3_C L1 N PARTIALISATION C1 PARTIALISATION C2 KALARM Indicator Alarm we make it easy...

Page 31: ...entofuserparameters Display logs Logofalarmsandaccumulatedoperationofthecompressors DUOVisionismadeupoftheDISPLAYandtheNAVIGATOR 3 User terminal DUOVision AKO 21701 DISPLAY NAVIGATOR The DISPLAY is ma...

Page 32: ...TOR WiringofDUOVision 32 The use of the same power supply lines for the DUOControl controllerandtheDUOVision userterminalisrecommended The technical specifications of the DUOVision user terminal and t...

Page 33: ...xpansionorcontractionoftheDUOControl forfurtherinformationseeSection2 1 On pressing the RIGHT SET LEFT keys on the DUOVision when the t icon is shown on the screen This icon appears for a few seconds...

Page 34: ...ed response ESC Return to SCREEN W 0 ESC Return to SCREEN W 0 OTHERS No function OTHERS No function SCREEN W 2 WHICH TYPE OF FAN CONTROL SelectthetypeoffancontrolbetweenON OFF andINVERTER SCREEN W 1 R...

Page 35: ...go on to the next screen ESC Return to SCREEN W 0 OTHERS No function SCREEN W 3 HOW MANY COMPRESSORS IN THE INSTALLATION NAVIGATOR function UP and DOWN Enter the number of compressors in the facility...

Page 36: ...irm the entered value and go on to the next screen ESC Return to SCREEN W 0 OTHERS No function SCREEN W 5 WHAT TYPE OF PARTIAL LOADING ACTIVATION Select or consideringthetypeofcompressorsused Forfurth...

Page 37: ...gthewiring UP and DOWN Move the cursor through the possible responses SET Confirm the preselected response ESC Return to SCREEN W 0 OTHERS No function SCREEN W 7 ALARM OUTPUT Notification of whether i...

Page 38: ...oltage of 24 V in the terminal The area to the right of the Display enables the output terminalstobecontrolled Fans or inverter Alarm Output Compressors Partial loadings Move the cursor using the UP D...

Page 39: ...the following refrigerating facility Controller Model AKO 21018 No of Compressors 3 No of Stages per Compressor 2 No of Fans 5 ON OFF Control ThefunctionsofalltheDUOControl controllerterminalsaredefi...

Page 40: ...put for partial loading of Compressor 1 Control Output for Compressor 2 Control Output for partial loading of Compressor 2 Control Output for Compressor 3 Control Output for partial loading of Compres...

Page 41: ...inbar astheworkingunit NAVIGATOR function NAVIGATOR function UP and DOWN Move the cursor through the possible responses SET Confirm the preselected response ESC Return to SCREEN W 8 OTHERS No function...

Page 42: ...digit LEFT and RIGHT Move the digit selection SET Confirm the preselected response ESC Return to SCREEN W 8 OTHERS No function SCREEN W 12 SUCTION PROBE PRESSURE VALUE bar FOR A CURRENT OF 20 mA Enter...

Page 43: ...F 20 mA Enter the pressure equivalent to an output current of 20 mA from the discharge probe NAVIGATOR function UP and DOWN Change the value of the selected digit LEFT and RIGHT Move the digit selecti...

Page 44: ...int NAVIGATOR function UP and DOWN Change the value of the selected digit LEFT and RIGHT Move the digit selection SET Confirm the preselected response ESC Return to SCREEN W 8 OTHERS No function NAVIG...

Page 45: ...willcloseandproceedtoMONITORINGTHE INSTALLATION IMPORTANT The 8 icon indicates that the data is being saved If the equipment is disconnected or the power supply fails while this icon is showing the eq...

Page 46: ...artingupapreviouslyconfiguredDUOControl controller OnreturningfromtheUSER PARAMETERAND LOGS MENU MONITORING SCREEN Monday R TEM Year Month Day Hours Minutes Day of the week Evaporation Set Point Conde...

Page 47: ...age compressor 2 stage compressor 3 stage compressor 4 stage compressor The area set aside for the fans is also different if a inverter is used Inverter output 0 4 mA 100 20 mA The following icons ind...

Page 48: ...to go back to displaying the status of the fans and compressors WithintheMONITORING SCREEN thefunctionofthekeysisasfollows NAVIGATOR function UP and DOWN Change the display units SET Press for 3 seco...

Page 49: ...ND LOGS MENUisdisplayed ItispossibletoactivatePASSWORDprotectionintheTERM_1parameter CONFIGURATION AND LOG SCREEN DISPLAY OF LOGS DESCRIPTION OF SELECTED FOLDER USER PARAMETER FOLDERS Theuserparameter...

Page 50: ...y Press ESC to exit ESC Return to the CONFIGURATION AND LOGS SCREEN OTHERS No function Parameter No of Compressors Code CONF_1 Description Number of compressors present in the installation Parameter N...

Page 51: ...erefrigeratingpower Active when powered Active when not powered For a compressor without partial loadings Compressor 0 VDC 24 VDC Stages ON 0 of 1 1 of 1 Active when not powered Compressor 0 VDC 24 VD...

Page 52: ...ding b 24 VDC 24 VDC 24 VDC 0 VDC 0 VDC Partial loading c 24 VDC 24 VDC 24 VDC 24 VDC 0 VDC Active when not powered Active when powered Parameter Alarm Output Activated Code CONF_4 Description Notifie...

Page 53: ...C Parameter Units Code CONF_8 Description Referenceunitfortheinstallationadjustmentparameters bar Selectthisoptiontomakeuserparameteradjustmentsinbar C Selectthisoptiontomakeuserparameteradjustmentsin...

Page 54: ...torselectthedesiredoption LEFT and RIGHT Movethedigitselection onlyfornumericuserparameters SET Confirmthenumericvalueortheoptionselected HELP Display the help window for the parameter selected in the...

Page 55: ...e order in which the compressors are started stopped is set by the connectiontotheDUOControl Forfurtherinformation seeChapter 4 Parameter Compressor Control Code EVAP_5 Description To define the algor...

Page 56: ...her information see Chapter 4 Parameter Activate Pump Down Code EVAP_10 Description Activates the Pump Down functionality NO Do not activate Pump Down YES Activate the Pump Down process For further in...

Page 57: ...ftheDisplay HELP Displaythehelpwindowfortheparameterselectedintheright handareaoftheDisplay ESC ReturntotheCONFIGURATIONANDLOGSSCREEN OTHERS Nofunction Withthecursorin theright handarea of theDisplay...

Page 58: ...er Positive Differential Slow Zone Code COND_5 Units Description Bandwidth of the POSITIVE SLOW ZONE used in the definition of the algorithms for controllingthecondensationcircuit Forfurtherinformatio...

Page 59: ...S Activatefloatingcondensation Forfurtherinformation seeChapter 5 Parameter Proportional value Code COND_10 Description Adjustment of the PI control proportional value to regulate the 4 20 mA output f...

Page 60: ...WN Selectthedesiredparameter SET Confirmtheselecteduserparametertomodifyitsvalue right handareaoftheDisplay HELP Displaythehelpwindowfortheparameterselectedintheright handareaoftheDisplay ESC Returnto...

Page 61: ...ricvalueortheoptionselected HELP Display the help window for the parameter selected in the right hand area of the Display PressESCtoclear Bar Bar 61 3 3 5 CONFIGURING THE PROBES User parameters relati...

Page 62: ...e calculation of the Set Point for the condensation circuit when floating condensation is active It is also possible to activate the temperature probe if floating condensation is NOT active Ambient ai...

Page 63: ...splaythehelpwindowfortheparameterselectedintheright handareaoftheDisplay ESC ReturntotheCONFIGURATIONANDLOGSSCREEN OTHERS Nofunction Withthecursorin theright handarea of theDisplay thefunctionof theNA...

Page 64: ...neral high pressure is closed in normal operation Normal operation 24 V in terminal I1 General high pressure switch active 0 V in terminal I1 switch Closed contact error The relay for the general high...

Page 65: ...h active 0 V in terminal I2 switch Closed contact error The relay for the general low pressure is open in normal operation Normal operation 0 V in terminal I2 General low pressure switch active 24 V i...

Page 66: ...e input terminals for the compressor safety circuits Safety circuit activated 0 V in the input terminals for the compressor safety circuits Closed contact error The safety circuit for the compressors...

Page 67: ...ls for the fan safety circuits Closed contact error The safety circuit for the fans is open in normal operation Normal operation 0 V in the input terminals for the fan safety circuits Safety circuit a...

Page 68: ...play the function of the NAVIGATOR is as follows UP and DOWN Selectthedesiredparameter SET Confirmtheselecteduserparametertomodifyitsvalue right handareaoftheDisplay HELP Displaythehelpwindowforthepar...

Page 69: ...EVAP_1 where we wish to configure Energy Saving functionality in the following way To start the Energy SavingfunctiononFridaysat10 15pmforadurationof20hours Evaporation Set Point during Energy Saving...

Page 70: ...eterselectedintheright handareaoftheDisplay ESC ReturntotheCONFIGURATIONANDLOGSSCREEN OTHERS Nofunction Withthecursorin theright handarea of theDisplay thefunctionof theNAVIGATOR is as follows UP and...

Page 71: ...e Chapter 5 Parameter Fan OFF OFF Delay Slow Code TEMP_4 Units Description Minimum time between shutdowns of different fans within the slow control zone Adjustment of this parameter is very important...

Page 72: ...or preventing an excessive number starts and stops of the compressors Parameter Compressor T MIN OFF Code TEMP_8 Units Description Minimum stop time for the compressors This parameter is useful for pr...

Page 73: ...ter is very important in defining dynamic control of the compressors Neutral Zone or Proportional Band For further information see Chapter 4 Parameter Code TEMP_12 Units Description Minimum time betwe...

Page 74: ...nfirmtheselecteduserparametertomodifyitsvalue right handareaoftheDisplay HELP Displaythehelpwindowfortheparameterselectedintheright handareaoftheDisplay ESC ReturntotheCONFIGURATIONANDLOGSSCREEN OTHER...

Page 75: ...theparameterTEMP_12 If the high pressure pre alarm occurs 5 times or more within one hour the installation will remainshutdownuntilitisresetmanually Parameter HP circuit Pre Alarm Diff Code PROT_4 Uni...

Page 76: ...Start up Alarms Delay Code PROT_8 Units Description Delay for the pre alarms for the high and low circuits Defines a period of time for the installation to stabilise after starting the DUOControl unt...

Page 77: ...P Displaythehelpwindowfortheparameterselectedintheright handareaoftheDisplay ESC ReturntotheCONFIGURATIONANDLOGSSCREEN OTHERS Nofunction Withthecursorin theright handarea of theDisplay thefunctionof t...

Page 78: ...ght handareaoftheDisplay HELP Displaythehelpwindowfortheparameterselectedintheright handareaoftheDisplay ESC ReturntotheCONFIGURATIONANDLOGSSCREEN OTHERS Nofunction Withthecursorin theright handarea o...

Page 79: ...Colour Code TERM_3 Description Configuration of the contrast and background colour for the two Display zones when showingthe MONITORING SCREEN IMPORTANT The 8 icon indicates that the data is being sa...

Page 80: ...y Press ESC to clear ESC Return to the CONFIGURATION AND LOGS SCREEN OTHERS No function Parameter DUOControl Model Code MODE_1 Description Displaying the model of DUOControl used Parameter DUOControl...

Page 81: ...fety circuit for fan 8 General low pressure switch General high pressure switch High pressure pre alarm Low pressure pre alarm Discharge probe error Suction probe error Ambient air temperature probe e...

Page 82: ...escription Displayingthelistofalarmsindateandtimeorder TheUPandDOWN keysareusedtoscanthroughthelist Parameter ERASE LOG Code ALRM_2 Description Initializethealarmmemorybyerasingallthepreviousinformati...

Page 83: ...as run since its commissioning It is advisable to set this to zero only when it is first put into service Time since the last service Shows the time the compressor has run since its last maintenance o...

Page 84: ...gerant onlyinbar Thecontrolactiondependsonthesuctionprobereadinginthefollowingway Within the NEUTRAL ZONE No action is carried out on the compressors no compressors or compressor stages are started or...

Page 85: ...meterswhichdelimiteachofthe5zones EVAP_6 EVAP_7 EVAP_8 and EVAP_9 aredefinedinbar or CaccordingtotheparameterCONF_8 inthecaseofusingaGENERICrefrigerant onlyinbar The PROPORTIONAL BAND is divided into...

Page 86: ...ERENTIAL WITH RESPECT TO EVAP_SP EVAP_7 4 C The start stop points for the compressors or stages will be located at the following evaporation pressurelevels Pevap bar Tevap C EVAP_6 2 C EVAP_1 10 C EVA...

Page 87: ...interval between shutdowns of compressors or stages will be defined by the parameter TEMP_10 Within the POSITIVE SLOW ZONE the time between startups of compressors or stages is defined by the paramete...

Page 88: ...the most accumulated operatingtimestops SEQUENTIAL Method based on the priority level of the compressors The level of priority of each compressorisdefinedinthefollowingwayduringthewiringofthecontrolp...

Page 89: ...ND_6 COND_7 and COND_8 are definedinbar or C accordingtotheparameterCONF_8 onlyinbar inthecasethatCONF_7 GENERIC Thecontrolactiondependsonthedischargeprobereadinginthefollowingway Within the NEUTRAL Z...

Page 90: ...rameters which delimit each of the 5 zones COND_5 COND_6 COND_7 and COND_8 are defined in bar or C accordingtotheparameterCONF_8 onlyinbar inthecasethatCONF_7 GENERIC The PROPORTIONAL BAND is divided...

Page 91: ...9 C 37 C No of FANS 6 Fans 5 Fans 4 Fans 3 Fans 2 Fans 1 Fan 0 Fans COND_5 COND_6 CONF_6 t PROPORTIONAL BAND Fan 1 2 3 4 5 6 Start 39 C 41 C 43 C 45 C 47 C 49 C Stop 37 C 39 C 41 C 43 C 45 C 47 C The...

Page 92: ...an is defined during the wiring of the control panel Fan 1 Highest priority Fan 2 Fan 3 Fan 4 Fan 5 Fan 6 Fan 7 Fan 8 Lowest priority Need to start a fan The highest priority fan starts Need to stop a...

Page 93: ...tops automatically when its safety circuit activates and starts normal operation again when this deactivates SAFETY CIRCUIT FOR THE INVERTER All the compressors stop in turn when the safety circuit fo...

Page 94: ...cified by PROT_3 compressor stages are shutdown in turn with a time interval defined by the parameter TEMP_12 The deactivation of the compressor stages ends when condensation pressure temperature fall...

Page 95: ...delay of 2 minutes is fixed from the detection of this error to the initiation of the function DISCHARGE PROBE ERROR A discharge probe error occurs when the value to be measured is outside the probe s...

Page 96: ...her functionalities Pevap bar Tevap C No ACTIVE STAGES ALL LAST STAGE Timer Secs Timer Secs EVAP_11 Case 1 Shutdown due to PUMP DOWN SP EVAP_11 Case 2 Shutdown due to time EVAP_12 PUMP DOWN SP EVAP_1...

Page 97: ...xamples of applications ELECTRICITY TARIFF To lower the evaporation Set Point when kWh costs are at their lowest INACTIVITY OF COLD ROOMS To increase the evaporation Set Point in those periods when th...

Page 98: ...n No of Inputs Outputs Built in digital inputs Built in digital outputs Interfaces Display Interface MODBUS Interface Memory Memory for user programs and constants Memory for data Data backup Backup d...

Page 99: ...lation of the outputs Total load current with voltage of 24 VDC Resistive load inrush current L R 20 ms L R 30 ms L R 40 ms L R 60 ms Total load current Output leakage current Minimum cut off value Sh...

Page 100: ...operation Ambient temperature for storage No of analogue inputs No of analogue outputs Scale of values shown 50 60 Hz filtering Maximum power consumption Analogue inputs Rated range Maximum values El...

Page 101: ...at 0 IEC 1131 2 Signal at 1 IEC 1131 2 Input current at 24 VDC Filtering time for one input Built in outputs No of outputs Electronic insulation of the outputs Total load current under voltage Resisti...

Page 102: ...on TU RS 485 communication with DUOControl controller TU RS 485 communication with DUOControl controller TU S RS 485 communication with DUOControl controller PE 0 V 24 V 10 3 W 400 g 1 6 Steps to be f...

Page 103: ...the panel and fix it into place using the 8 screws supplied Remark If an IP65 installation is desired rubber gasket should be installed correctly between DUOVision and Plate as it is shown in next pic...

Page 104: ...104 A 5 Physical dimensions AKO 21801 AKO 21802 AKO 21803 67 mm 52 mm 51 mm 280 mm 90 mm DUOVision we make it easy...

Page 105: ...018 21012 21018 21018 21006 21012 21018 21012 21018 21018 21018 21012 21018 21012 21018 21018 21012 21018 21018 No OF FANS COMPRESSORS STAGES 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 5...

Page 106: ...frigerating facility with the following characteristics 3 equal compressors with 1 part loading 2 stages 2 fans with ON OFF control The DUOControl model which meets the requirements of the installatio...

Page 107: ...ion of the parameter R W Type of parameter R Read only can be modified within the programming assistant R W Read and Write Maximum Value Maximum value of the parameter depending on the working units M...

Page 108: ...hen not powered CONF_4 Alarm Output Activated ALARM OUTPUT ACTIVATED R CONF_5 Fan Control Type TYPE OF FAN CONTROL R 1 0 1 0 ON OFF INVERTER CONF_6 No of Fans NUMBER OF FANS R 8 1 8 1 MAXIMUM NUMBER O...

Page 109: ...P_3 EVAP_3 EVAP_1 R404A R134A R717 R22 R410 R507 R744 OPERATING HOURS SEQUENTIAL NEUTRAL ZONE PROPORTIONAL BAND No Yes 99 9 EVAP_3 99 0 EVAP_3 GENERIC Default Value R404A 35 8 EVAP_3 72 0 EVAP_3 25 0...

Page 110: ...D_2 0 3 COND_2 60 0 R410 COND_2 0 4 COND_2 60 0 R507 COND_2 3 4 COND_2 60 0 R744 COND_2 0 4 COND_2 60 0 R404A COND_4 Fan Control TYPE OF FAN CONTROL R W NEUTRAL ZONE PROPORTIONAL BAND COND_5 Positive...

Page 111: ...THE DISCHARGE PROBE R W SOND_5 1 0 SOND_5 1 0 Bar Discharge Probe 20mA 20 mA CONFIGURATION OF THE DISCHARGE PROBE R W 40 0 SOND_4 40 0 SOND_4 Bar Discharge Probe Offset CALIBRATION OF THE DISCHARGE P...

Page 112: ...OF ENERGY SAVING MINUTES R W 59 0 59 0 Minutes DURATION OF ENERGY SAVING HOURS R W 24 0 24 0 Hours AENR_1 Day s of the week AENR_2 Start Hour AENR_3 Start Minutes AENR_4 Energy Saving Duration 10 0 1...

Page 113: ...IN THE SLOW ZONE OF R W 3600 1 3600 1 Secs MINIMUM TIME BETWEEN SHUTDOWNS OF DIFFERENT COMPRESSORS AND STAGES IN THE SLOW ZONE R W 3600 1 3600 1 Secs MINIMUM TIME BETWEEN STARTUPS OF DIFFERENT COMPRES...

Page 114: ...0 0 0 10 0 0 0 R744 R W HP Circuit Pre Alarm Dif HIGH PRESSURE PRE ALARM DIFFERENTIAL PROT_4 99 9 1 0 99 9 1 0 Bar GENERIC Default Value R404A 35 8 0 4 35 8 0 4 R404A 25 0 0 8 25 0 0 8 R134A 40 4 0 7...

Page 115: ...RIDAY SATURDAY SUNDAY HOUR R W 23 0 MINUTES R W 59 0 FECH_1 Minutes FECH_2 Hour FECH_3 Day of the week FECH_4 Day FECH_5 Month FECH_6 Year 1 8 1 0 0 31 12 99 23 59 PASSWORD R W 99 0 99 0 0 DEACTIVATED...

Page 116: ...controlled and monitored by means of the AKO 5005 Web server or AKO 5004 equipment management software It is necessary to use the AKO 21904 cable not supplied to connect to the local MODBUS network Fu...

Page 117: ...NOTES 117 we make it easy...

Page 118: ...118 NOTES we make it easy...

Page 119: ...NOTES 119 we make it easy...

Page 120: ...8 142 700 Fax 34 938 934 054 e mail ako ako com www ako com Apartado P O Box 5 08800 Vilanova i la Geltr Barcelona Spain We reserve the right to supply materials that might vary slightly to those desc...

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AKO AKO-21006, User Manual

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