Temperature controllers
Contents
1. AE 36 F 0 4 F 50 F 32 F 37 4 F 53 6 F 69 8 F do 4 4 4 4 24 24 96 d1 20 20 20 20 20 20 0 FO 8 C 0 C 30 C BAC 8 C 30 C 99 C 46 F 32 F 86 F 46 F 46 F 86 F 210 F F3 1 0 1 1 1 1 1 PO 0 0 0 0 0 0 0 WARNING The default parameters by type of application have been defined for the most common A applications Check that these parameters are suitable for your installation AKO 3 2 Basic settings Type of inputs The controller has 2 inputs for probes plus 2 digital inputs The activation of the second probe is defined by parameter P4 P4 1 1 probe input S1 Control probe P4 2 2 probe inputs S1 Control probe y S2 Defrost probe Probe types Parameter P9 permits selecting the type of probes to be connected between NTC P9 0 and PTC P9 1 Probe function S1 Temperature control probe controls temperature of the chamber or cabinet SP acting on the COOL relay S2 Evaporator probe controls the defrost end temperature d4 and shuts down the fans FO Probe to display Parameter P8 defines which probe is displayed on the controller screen P820 All probes sequentially P821 Probe 1 P822 Probe 2 In the sequential mode the screen will display the name of each probe followed by the temperature in each S1 8 3 C S2 6 2 C Calibrating probe 1 Allows correcting a possible error in probe reading This can be very useful when you cannot place it in the ideal place2. To get a correct reading the probe must be situated in a location without any external heat influences except for he temperature which is being measured or controlled The probe and its cable should NEVER be installed in the same conduit as power control or supply cables The power supply circuit must be provided with a main switch rated at least 2 A 2301 located close to the equipment The cables will enter through the back and should be type HO5VV F or HO5V K The gauge will depend on local regula ions but should in no case be less than 1 mm The cables for connecting the relay contacts should be 1 to 2 5 mm and the common cable should always be 2 5 mm Halogen free cables are recommended Between 40 C and 20 C if the NTC probe is extended up to 1 000 m with minimum 0 5 mm wire the maximum deviation will be 0 25 C Wire for probe extension ref AKO 15586 3 Initial Setup 3 1 Wizard The Darwin range controllers have a setup wizard to configure the main parameters for the type of application chosen see table The others will be configured according to the Def column in the parameter table see section 6 1 2 For the meaning of each parameter see section 6 1 2 This wizard only starts the first time the device is powered DEFAULT SETTINGS BY APPLICATION In 1 2 3 4 5 6 7 Multi Frozen Fruits and Fresh fish Soft Drinks Bottle Racks AC purpose vegetables sp INC 18 C 10 C ORE SHC 123
3. compressor performance will depend on C6 settings Users may choose between 3 options C6 0 The compressor will be stopped until probe 1 is working again C6 1 The compressor will be operational until probe 1 is working again C6 2 The compressor will operate according to the average performance of the last 24 hours taking into account the number of starts and stops and the average time in each state stop start C6 3 The compressor will run as scheduled in C7 ON and C8 OFF Probe 1 error If C6 3 AKO 4 2 Defrost control The auxiliary relay should be set to defrost P6 1 default setting except in the case of defrost by compressor shutdown Max d1 F4 d3 FAN START DELAY i dE MESSAGE CONTROL CONTROL Defrost start up Defrost is initiated if Time scheduled in parameter dO has passed since the beginning of last defrost The DOWN w key is pressed for 5 seconds Defrost type Selected by parameter d7 to define the controller performance during the defrost process By compressor shutdown The compressor stops and the defrost takes place statically d723 Fans will stop running regardless of parameter F3 Fans start running and the compressor starts up Defrost takes place by air being forced through the evaporator Fans will be on regardless of parameter F3 By air d7 2 The defrost resistors start up and the compressor stops defrost is the result of heat from the By
4. password functions Page 8 Inactive 1 Block access to parameters 2 Keyboard lock Selection oftype of inputs 1 1probe 2 2 probes Page 7 MODBUS address only systems with built in communications Configuration of AUX relay 1 Defrost 2 Alarm 3 Light Pages 10 to 15 Temperature display mode Page 7 0 Whole in C 1 One decimal in C 2 Whole in F 3 One decimal in F Probe to be displayed as per parameter P4 Page 7 0 Visualization of all the probes in sequence 1 Probe 1 2 Probe 2 Selection of probe type O NTC 1 PTC Page 7 Configuring digital input 1 Page 7 0 0 1 Door contact 3 Severe external alarm 4 Slave defrost 6 Act Fast Freezing If C9 0 7 Notused 9 Act ECO mode by switch Configuring digital input 2 Page 7 0 0 1 Door contact 3 Severe external alarm 4 Slave defrost 6 Act Fast Freezing IF C9 0 7 Notused 9 Act ECO mode by switch Digital i Digital i Lights in ECO Mode P6 3 O ON 1 0FF 1 Exit Level 1 2 External Alarm 5 Act ECO mode by pushbutton 8 Remote defrost 2 External Alarm 5 Act ECO mode by pushbutton 8 Remote defrost nput polarity 1 O Energised on closed contact 1 Energised on open contact Page 7 input polarity 2 0 Energised on closed contact 1 Energised on open contact Page 7 ect in the event of activation of the ECO mode by switch 0 0 1 0 2 1 2 1 99 1 3 1 3 1 2 0 1 0 9 0 9 0 1 0 1 0 1 EMEN 7 TT Access code Password
5. Display mode Parameter P7 sets the display mode for the temperature displayed on the screen P720 No decimals in C P721 With a decimal in C P722 No decimal degrees in F P723 with a decimal in F The changes in this parameter do not affect the operation of the system because the controller automatically calculates equivalent values for the set point locks alarms calibration etc Upper lower blocking of the set point Sets the upper C2 and lower C3 thresholds for the set point value SP These limits are also valid for automatic variations of the set point CA and CC Digital input function The digital input function is defined by parameters PA D1 and Pb D2 with the following options PA Pb 0 Off no function PA Pb 1 Door contact controls the activation deactivation of ECO mode p 9 PA Pb 2 External alarm controls activation deactivation of the external alarm p 14 PA Pb 3 Severe external alarm controls activation deactivation of the severe external alarm p 14 PA Pb 4 Slave defrost activates defrost synchronisation with master uni p 11 PA Pb 5 Activation of the ECO mode by pushbutton controls activation deactivation of the ECO mode using an external pushbutton p 9 PA Pb 6 Activation of the fast freezing mode controls the activation deactivation of this mode with an external button p 8 PA Pb 7 Not used PA Pb 8 Defrost activation You can control the activation deactivation of th
6. P g 8 Program version Information Program revision Information Exit Level 1 20 AKO 7 Especificaciones t cnicas A A ee ren 90 240 V 50 60 Hz 7 VA Maximum Voltage SELV Circuits ur 202 0 order PRI ri ne abe e LA wok HR e eie Me er 20V nputsikAccordingtol d 3 5 5 13 ead serana ade 2 inputs NTC PTC 2 digital inputs Relay 16A COOL a pando TO OOO ide EN60730 1 12 9 A 250V Relay GAC EAN ena oo EN60730 1 5 4 A 250V MOERS EN60730 1 8 4 A 250V rmberofrelay operations 4 ce Coto EO Ei EN60730 1 100 000 operations VPES OR PONG orate Quee aere euet et re ep ete Died tees NTC AKO 149xx PTC AKO 1558xx CAU MT caeci regen dme dd 50 C to 99 C 58 F to 99 F Resolution lirica a a 0 1 C Woikirig envirorierib es ne rn are a c x ar en oS 10055 C humidity 90 Amibl ntstoragehlirildily x ttr tz anun een is pner ee 30 to 70 C humidity 90 96 Classof protection frontal pel ee eem onere nennen IP40 EIXaHOH cote See edet Regine aed ute i Ni s dedi tod ice etu elles dee Panel mounted with anchors Pari amp l cutoutdirmensi nhis sona emp s pra peres ph rx Bla hin E t Ej EE RYMER eh 124x85 mm FO Panel dimensions sc onse se eek N pas gate e adobe oda edo 139X100 mm DDGptTii a ps eode PE reru ER tp HN ated RU it E RUE A RO aia aic 40mm COMMCGHONS cdo ba ts Screw terminals for cables up to 2 5 mm Rating of control device built in automatic operation feature Type 1 B for use in
7. an external relay see diagram on next page Up to 15 units may be connected to a Master Controller and the maximum distance should not exceed 15 metres 11 Example of Master Slave defrost function AKO D144xx Settings d7 0 P6 5 nun Master 222 E E P4 2 AKO D143xx ontrol probe efrost probe evaporator xternal relay AKO D16323 Se 0N 0 pas P6 1 P10 4 Settings P6 1 Maximum distance 15 meters d7 0 P4 2 PA 4 AKO D16323 Settings P6 1 to other slave controllers Maximum 15 controllers 12 d7 0 P4 2 PA 4 AKO 4 3 Fan control Fan control ON 4 COOL OFF ON 4 FAN i onlyifF2 1 OFF z 4 Fo FO FI sP SP C1 probe 2 probe 2 Time Ss The auxiliary relay must be configured as Fans P6 0 Fans are controlled with probe 2 evaporator and parameters FO shutdown temperature and F1 Probe differential Even if probe 2 is not connected P4 1 or an error is detected in the probe E2 the fans will always run regardless of parameters FO and F1 but taking into account parameters F2 to F5 Parameter F2 defines the status of the fans during compressor stops and parameter F5 defines the status of the ans when the door is opened which requires
8. control probe alarm Temperature set in A1 has been reached p 14 and 15 activates alarm relay Alternative with temperature inimum temperature in control probe alarm Temperature set in A2 has been reached p 14 and 15 activates alarm relay Alternative with temperature External alarm activated by digital input p 14 and 15 activates alarm relay Alternative with temperature Severe external alarm activated by digital input p 14 activates alarm relay Alternative with temperature Defrost alarm time out Displayed when a defrost ends after the maximum time elapsed as defined in parameter d1 p 11 and 14 Does not activate alarm relay Alternative with temperature Door open alarm Shown if the door remains open longer than specified in parameter AC p 14 and 15 No activa rel de alarma Alternative with temperature ECO mode active AKO 2 3 Maintenance Clean the surface of the alarm using a soft cloth soap and water Do not use abrasive detergents petrol alcohol or solvents 2 5 Precautions Using the equipment without following the manufacturer s instructions may affect the device s safety requirements To ensure that the device operates correctly only probes supplied by AKO should be used The unit must be installed in a location protected from vibrations water and corrosive gases where the ambient emperature does not exceed that shown in the technical data
9. the equipment will return to the previous level If you are on level 3 the changes will not be saved OUT OF PROGRAMMING PROGRAMMING m PX I Temperature Level 1 Level 2 Level 3 Indication i Menus OK Parameters Values P Press ud ES gt gar SETTE vil 9 10 sec I gt 5 sec gt 5 sec 520 a z l s 2 Change gf 3 T Change Value B 1 ana Parameters Press amp i sun Press UP i Press UP SET i UP SET 5 sec OK SET 5 sec Pers 1 lt 5 Sec UP i rn SET i d E L LI gt 5 seg a OK E n Press 20 sec Sk J E E SET 1 25 56C OK Press E P 5 i SET 25 sec 16 6 1 2 Parameters The unit s operation parameters are organized into groups or families according to their function The def column shows factory set default parameters Those marked with an are variable depending on the application chosen in the wizard see section 3 1 Temperature values are expressed in C Equivalent temperature in F Level 1 Regulation and Control Level 2 an v 0 C2 c3 C4 C5 C6 C7 C8 C9 CA Cb cc EP Temperature Adjustment Set Point limits depending on probe type Page 8 Calibrating probe 1 Offset Page 7 Probe 1 differential Histeresis Page 8 Upper blocking ofthe set point Page 7 cannot be set below this value Lower blocking ofthe set point Page 7 cannot be set below this value Type of delay for protection ofthe compre
10. D163H002 Ed 04 GB C Temperature controllers User Manual AKO Ghaptents oda 3 Chapter 2 Description soarana Ios 4 IAE AUNAR ER 4 PAR REA 5 23 Maintenance soarana naana naaa 6 2 A Precautions AAAA AAAA AAAA AAAA E 6 EIEEE AIEEE A res ee A 6 3 Wizal see 6 RSS E E NR T TUE 7 CO A 8 AECOMPIESSO CONTO AAA TEEN 8 AD A aaa Ur 10 opa EINTRETEN 13 CODO aC Oe 13 O KR Rae aano ee dede nde ndn eee 14 E AAA ARAS 15 Ghapteri6 AMAS LEEREN 16 oli Programming MEE aaa 16 6 1 1 Changing the operating parameters 0 0 000 eee eee eee eee 16 AOS 17 Ciria Ramal pesi iCal OD SERE TTE 21 AKO Electromecanica thanks and congratulates you for purchasing our product in whose development and manufacture the most innovative technology has been used as well as strict production and quality control processes Our commitment to satisfy our customers and our continuous efforts to improve every day can be seen in the various quality certifi cations we have obtained his is a high performance high technology product The operation and final performance of the equipment depend on proper plan ning installation configuration and commissioning Read this manual carefully before installation and always follow its instructions Only qualified personnel should install or perform technical assistance on this product his product is designed to be used in the applications described in the product manual AKO Electromec nica gives no guar
11. antee of its operation in any use not foreseen in the manual and is not responsible for any damage resulting from improper use configu ration installation or commissioning t is the responsibility of the installer and the customer to comply with and ensure others comply with all regulations applicable to installations incorporating our products AKO Electromec nica is not responsible for any damage caused by non compliance with re gulations Follow strictly the instructions given in this manual o maximise the service life of our equipment these recommendations should be followed Do not expose electronic equipment to dust dirt water rain humidity high temperatures chemicals or corrosive sub stances of any sort Do not submit the equipment to blows or vibrations nor try to manipulate it differently from shown in the manual Never exceed the specifications and limitations indicated in the manual Always respect the specified ambient working and storage conditions During and after installation avoid leaving loose broken unprotected or damaged wiring since they might constitute a risk for the equipment and its users AKO Electromec nica reserves the right to make any non metrology modification to the documentation or the equipment without previous notice AKO 1 Introduction The Darwin controller range is particularly suitable for controlling refrigerating equipment wall units islands cabi nets electrical pane
12. aximum alarm probe 1 must be greater then SP Page 14 Minumu Tempera Tempera m alarm probe 1 must be greater then SP Page 14 ure alarm delay during start up Page 15 ure alarm delay after completion of a defrost Page 15 Temperature alarm delay after reaching the value o Externa A1 or A2 Page 15 alarm severe external alarm delay when receiving digital input signal PA or Pb 2 or 3 Page 15 Deactivation delay of the external alarm severe external alarm when the signal of the digi al input disappears PA or Pb 2 or 3 Page 15 Show warning if defrost is terminated by time out 0 No 1 Yes Page 14 Alarm rel lay polarity O Relay ON in alarm OFF no alarm Page 15 1 Relay OFF on alarm ON with no alarm Tempera ure Alarm Differential A1 and A2 Page 14 Door open alarm delay If PA or Pb 1 Page 15 Exitto Level 1 19 C F A2 min 50 min 0 min 0 min 0 min 0 min 0 0 0 C F 0 1 min 0 AKO A TT Configuration of temperature alarms Page 14 O Relative to SP 1 Absolute 99 50 0 0 30 99 Al 99 99 99 99 99 20 99 Level 1 General status X Level 2 P4 P5 P6 P7 P8 P9 PA Pb PC Pd PJ EP 1 Without e Level 1 Access control and information ti Gi Level 2 uv c EP AKO EE 7 TI Daley of all functions on receiving electrical power Page 8 Access code
13. clean environments Class A software and continuous operation Pollution classification 2 s UNE EN 60730 1 Double insulation between supply secondary circuit and relay output Ratedpulse voltage iiie trt si hen 2500V emperature during ball pressure test Accessibleparts lsessssessssssse see 75 C Parts which position active elements n on anana aaa 125 C Voltage and current as per EMC tests 0 0 cece cece cece m 207V 17 mA Current of radio jamming supressiontests 270mA 21 22 23 AKO ELECTROMEC NICA S A L Av Roquetes 30 38 08812 Sant Pere de Ribes Barcelona Espa a Tel 34 938 142 700 Fax 34 938 934 054 e mail ako ako com www ako com AKO Updated information on our website www ako com 35D144002 REV 03 2014
14. e F4 is over Other parameters Parameter d5 allows users to specify if the unit will d5 1 or will not d5 0 defrost when powered up initial start up or after a power failure In case of choosing option YES d5 1 the defrost will start after the delay time specified in d6 Using parameter d8 users define the computation of time in d0 choosing between total time elapsed d8 0 or the total compressor running time d8 1 i NOTE If parameter d1 is set to 0 no defrost will be performed Remote defrost Starts or stops the defrost using a pushbutton connected to one of the digital inputs This input should be configured for this function PA or Pb 8 Defrost Master Slave This feature allows users to synchronize defrost of several units This is especially suitable for cabinets with multiple independently controlled evaporators thus avoiding having an evaporator defrosting generating heat while the next is generating cold When the main controller configured as Master initiates a defrost it forces the rest which must be configured as slaves PA or Pb 4 to initiate their defrost cycles When the main controller ends the defrost according to the time set by d1 the temperature in probe 2 is not taken into account it will force slaves to end defrosting and start synchronised drip time The master defrost function can only be set in controllers AKO D14412 AKO D14412 RC AKO D14423 and AKO D14423 RC and requires the use of
15. e defrost using an external pushbutton connected to the digital input PA Pb 9 Activation of the ECO mode by switch controls activation deactivation of the ECO mode using an external switch p 9 gt 7 AKO Digital input polarity Parameters PC D1 and Pd D2 define the polarity of the digital inputs with the following options PC Pd 0 The digital input is energised on closed contact PC Pd 1 The digital input is energised on open contact Password Parameter L5 sets a 2 digit access code for accessing certain controller functions Its functionality is set using the P2 parameter and a choice of several possibilities P2 0 Inactive access code password will never by requested P2 1 Blocks access to parameters will request access code L5 when trying to access the program menu P2 2 Blocks keypad functions will request the access code L5 when trying to activate any of the keypad functions standby defrost or program menu Power supply delays Parameter P1 delays all controller functions when energised and displays a minute count It is normally used to stagger the start up of various refrigeration services in a single system during the process of start up or reset after a period without power lt can also help to avoid repeated system start ups when tests are carried out on the facility s electrical system i IMPORTANT During the time set in P1 the controller will only show the temperature It will no
16. e setting of a parameter accepts the new value In the programming menu a short press allows you to scroll through the various levels or during the setting of a parameter to increment the value When upper limitis reached it will start again from the lower limit Press for 5 seconds to start Fast Freezing mode In the programming menu a short press allows you to scroll through the various levels or during the setting of a parameter to incrementthe value defrost or access to programming you will be prompted to enter the access code progammed into L5 If the code i IMPORTANT If you have configured the access code function as a key lock P2 2 when you initiate any function enteredis not correct the unit will display the temperature without opening the requested function 2 2 Display messages AKO Flashing 0 Access code Password request You must enter the access code configured on L5 to execute the requested function p 8 y 16 See also parameter P2 p 20 Probe 1 or 2 faulty open circuit crossover or temperature outside the probe limits NTC 50 to 99 C ndicates a defrost is underway After defrosting the message will continue to be displayed during the time specified in parameter d3 see Chapter 4 2 gt ternative with temperature ndicates continuous cycle or fast freezing cycle activation see Section 4 1 Alternative with temperature aximum temperature in
17. ge when a defrost terminates by time out if parameter A8 1 This alarm is only displayed on the screen it will never activate the alarm relay Alarma de puerta abierta Displays PA message when the digital input configured as door contact PA or Pb 1 is active longer than the time set by parameter AC This alarm is only displayed on the screen it will never activate the alarm relay The AUX relay must be configured as an alarm P6 2 14 AKO Alarm delay These delays prevent the display of specific alarms while allowing the unit to recover normal operation after certain events Start up delays A3 Delays activation of temperature alarms on power up start up or after a power failure This allows avoiding continuous alarms upon start up Delay after defrost A4 Delays activation of temperature alarms post defrost Delay of max min temperature alarm A5 Delays activation of maximum A1 and minimum A2 temperature alarms from the moment temperature probe 1 reaches the set value Delay of external alarm severe external alarm activation A6 Delays the activation of the external alarm from he moment the digital input becomes active Delay of external alarm severe external alarm deactivation A7 Delays the deactivation of the external alarm rom the moment the digital input becomes inactive Door opening alarm relay AC Delays activation of the open door opening detection alarm Alarm relay configurat
18. ion If the auxiliary relay is configured as an alarm relay P6 2 parameter A9 allows defining the status of the relay when an alarm is triggered A9 0 relay active ON in case of alarm no alarm OFF A9 1 Inactive relay OFF in case of alarm no alarm ON 5 Wiring AKO D16323 my AUX Operationg according to P6 S1 Probe 1 chamber or furniture temperature S2 Probe 2 defrost DI1 DI2 Digital input 1 Digital input 2 15 AKO 6 Parameter setup Through the programming menu users can set different parameters to adjust the operation of the controller to the needs of your installation 6 1 Programming Menu To access the programming menu press the UP SET button for 10 seconds or until the PR appears on the screen IMPORTANT If the access code function has been set as keypad lock P2 2 or as parameter access block P2 1 when trying to access either of the two functions users will be prompted to enter the access code programmed in L5 If the code entered is not correct the unit will revert to displaying the temperature 5 sec 10 sec t Keep pressed eue rj Temperature SET Release UP SET E Release UP SET Indication i to go to access to Stand by programming 6 1 1 Changing the operating parameters Press the UP SET button for 10 seconds or until Pr appears on the screen After 20 seconds with no key being pressed
19. ls etc The wide range of models available ensures the best solution for each application The AKO 16323 model has been specially designed for applications requiring a large number of output relays and high power switching The information displayed on the 2 3 high brightness display can be seen from any angle and from farther away han conventional controllers ew features have been added which allow more efficient refrigeration management thus saving energy The menu settings are optimized for fast and intuitive programming and may be pre programmed according to the application for faster start up Application t has three relays and is designed for above and below freezing applications with defrost by resistors or cycle reversal AKO 2 Description FAN relay active COOL relay active DEF relay active Alarm active Display UP key a SET Terminal blocks Flashing lights indicate that the function in question should be activated by temperature but is not due to a conflicting timing or protection parameter 2 1 Keypad functions Press for 5 seconds to activate Standby mode press for 2 seconds to return the equipment to normal mode In Standby mode the equipment performs no actions and onlythe AKO indicatoris displayed on the screen xu Press for 10 seconds to go to the programming menu Press for 5 seconds in the programming menu to access the level displayed on the screen or during th
20. resistors resistors ben Fans will be running or not depending on parameter F3 Reverse cycle A 4 way valve is activated which reverses the cold generating circuit and the compressor starts Heatpump up forcing the defrost d7 1 Fans will be running or not depending on parameter F3 Byh A valve is actuated which discharges gas from the compressor to the evaporator inlet A check y hot gas 4 PASA d7 1 valve prevents hot gas from returning to the liquid line Fans will be running or not depending on parameter F3 Drip time Parameter d9 sets drip time and the time added at the end of defrost cycle to allow for drainage of the remaining water in the evaporator During this time the compressor and fans will not be running unless defrost is by air 10 AKO Defrost termination The defrost will terminate if The temperature programmed in parameter 24 has been reached in probe 2 Requires an additional input for the second probe and activates it via parameter P4 Time set in parameter d1 has passed maximum duration of defrost Press the DOWN w key for 5 seconds Message displayed during defrost Set by parameter d2 with the choice of showing the actual temperature detected by probe 1 d2 0 displaying the temperature detected by probe 1 at the start of defrost d2 1 or displaying the dE message d2 2 The d3 parameter defines the time during which the message is displayed once the drip time D9 and the fan stop tim
21. setting up one of the digital inputs as door contact PA or Pb 1 If F5 Yes and the door remains opened more than 15 seconds the compresor also stops Parameter F3 defines the status of fans during defrost This feature is activated only for defrost by resistors cycle reversal or hot gas If defrost is by air the fans will always be active and if it is by compressor shutdown they will always be inactive regardless of parameter F3 Parameter F4 defines the fan start up delay after defrost see section 4 2 4 4 Light control On units with 2 or more relays the auxiliary relay can be configured as Light P6 3 n these cases the AUX relay will remain ON lights on while the unit is running If the unit switches to standby mode the relay will switch OFF lights out This feature turns off the lights in the cabinet when not in use standby mode With parameter PJ the status of the lights can be defined when the device is in ECO mode except if this mode has been externally activated by switch PA or Pb 9 in which case they will always stay on 13 AKO 4 5 Alarms The unit alerts users via a message on the screen by activating a relay or both when the programmed parameter criteria are met Max Min Temperature Alarm Shows the AH or AL message when the temperature in probe 1 reaches the value set in the A1 AH maximum temperature and A2 AL low temperature parameters This value can be Absol
22. ssor relay COOL Page 9 0 0FF ON since the last disconnection 1 OFF ON ON OFF since the last shut down start up Protection delay time value od the option selected in parameter C4 Page 9 Status of COOL relay with probe 1 fault Page 9 0 0FF 1 ON 2 Average based on last 24 hours prior to probe fault 3 ON OFF as prog C7 and C8 Time relay ON in case of faulty probe Page 9 If C7 0 and C8z0 the relay will always be OFF deenergised Time relay OFF in case of fault of probe 1 Page 9 If C8 0 and C70 the relay will always be OFF deenergised Maximum duration of fast freezing mode 0 off Page 8 Chagne set point SP in fast freezing mode when it reaches this point SP CA returns to normal Page 8 SP CA gt C3 0 0FF The vaule of this parameter is always negative excepto if it is O Length of inactivity at digital input to activare ECO mode Only if PA or Pb 1 O OFF Page 9 Change set point SP in ECO mode SP CC lt C2 0 off Page 9 Exit to Level 1 17 CCPF 50 C F 20 C F 0 1 C F C3 C F 50 0 min 0 0 min 0 min 0 h 0 C F 0 h 0 C F 0 AKO e o oC F 0 0 2 0 99 50 24 50 20 20 99 C2 99 99 99 48 GSH 24 CSE Level 1 Defrost Control amp Level 2 d2 d3 d4 d5 d6 d7 d8 d9 EP AKO EE U in OF Tu Defrost frequency Time between two s
23. st be set as door contact PA or Pb 1 ON The operation is the same as normal but increasing the set point by the COOL number of degrees set in parameter CC OFF eee ec SP CC SP CC C1 Otherwise users may turn this function on and off at will by pressing an external button 1 touch on off for which one of the digital inputs must be set as ECO mode activation PA or Pb 5 Optionally you can activate and deactivate this way whenever you want using an external pushbutton 1 press to activate deactivate or using a switch To do so one of the digital inputs such as activation of the ECO mode by pushbutton PA or Pb 5 or activation of the ECO mode by switch PA or Pb 9 should be configured If parameter Cb is set to O the ECO mode will only activate via switch PA or Pb 9 COMPRESSOR PROTECTION DELAY There are three types of delay selectable by parameter C4 to protect the compressor COOL relay These delays prevent continuous compressor starts and stops due to sudden changes in temperature OFF ON C4 0 Minimum compressor OFF time before each start up OFF ON ON OFF C4 1 Minimum time during which the compressor will remain ON and OFF in every cycle The delay time is defined by parameter C5 OPERATION IN CASE OF PROBE 1 FAILURE OFF ON C4 0 OFF ON ON OFF C4 1 ON COOL OFF Time e Time SE N In the event of probe 1 failure fault disconnection etc
24. t control the system in any way If additional delays alarm protection of the compressor etc have been programmed they start to run after the period set by P1 4 Operation 4 1 Compressor control NORMAL OPERATION COOL ON When the temperature in probe 1 reaches the set COOL point value SP plus the probe differential C1 OFF MOT the COOL relay is activated starting the SP SP C1 compressor and leading to a drop in temperature C Once you the set point value SP is reached the COOL relay is turned off stopping the compressor FAST FREEZING MODE Commonly used for fast freezing newly stored product t is activated by an external switch press once to turn on or off for which a digital input must be ON m 4 de Se configured as fast freezing activation PA or COOL Pb 6 OFF A A SP CA Upon enabling this mode the compressor starts c up until the temperature of probe 1 reaches the set point value plus the change indicated in parameter CA Then the unit returns to normal operation f this point is not reached the unit returns to normal operation after the time set in C9 AKO ECO MODE This mode saves energy during periods in which the refrigeration cabinet is not used much While this mode is active the screen will display the message EC It is activated after a certain period set in parameter Cb of cabinet door inactivity for which one of the digital inputs mu
25. tarts Page 10 Maximum defrost duration 0 defrost deactivated Page 11 min 0 e 99 Type of message during defrost Page 11 0 2 2 0 Current temperature 1 Temperature at start of defrost 2 Display dE message Maximum duration of message Page 11 min 0 5 99 Defrost end temperature Probe 2 If P4 2 Page 11 CCPR 50 8 99 9 Defrost on equipment start up Page 11 0 0 1 0 NO First defrost as per d0 1 YES First defrost as per d6 Defrost start delay on equipment start up Page 11 min 0 0 99 Defrost type O Resistors 1 Reverse cycle 0 0 3 Page 10 2 Fan air 3 Compressor shutdown Calculated time between defrost period Page 11 0 0 1 0 Total actual time 1 Sum of times the compressor is on Drip time at end of defrsot Page 10 compressor and fans off If P4 2 min p 1 29 Exit Level 1 Level 1 Fan Control FA F5 EP Requires a digital input configured as port PA or Pb 1 Exit Level 1 18 ren E Fan shut down temperature as per probe 2 If P4 2 Page 13 C F 50 Probe 2 differencial If P4 2 Page 13 C F 0 1 Stop fans when stopping compressor 0 No 1 Yes Page 13 0 Fan status during defrost Page 13 0 Off 1 On 0 Starting delay after defrost If F3 0 Page 13 m 0 Will only operate if it is higher than d9 Stops fans on opening the door 0 No 1 Yes Page 13 0 2 0 20 1 1 1 3 99 0 1 Level 1 Alarm control A6 A7 A8 A9 AC EP M
26. ute A0 1 A1 A2 should indicate the temperature at which the alarm should be activated Relative to SP A0 0 A1 A2 should indicate the number of degrees above or below the set point at which the alarm is activated This option allows users to adjust the set point without having to modify the high and low alarm settings Parameter AA sets the differentials for both parameters hysteresis This alarm will also activate the auxiliary relay if P6 2 Example In a controller we configure the following parameters SP 2 A1 10 AA 2 If AO 0 relative to SP the maximum temperature alarm goes off when probe 1 reaches 12 degrees and is disabled when it reaches 10 degrees If AO 1 absolute the maximum temperature alarm goes off when probe 1 reaches 10 degrees and is disabled when it reaches 8 degrees External alarm severe external alarm Displays the message AE external alarm or AS severe external alarm when the digital input configured as external alarm or severe external alarm is activated The severe external alarm also deactivates all the charges therefore the temperature regulation is stopped When this alarm disappears the device returns to its normal operation At least one of the digital inputs must be configured as external alarm PA or Pb 2 or severe external alarm PA or Pb 3 This alarm will also activate the auxiliary relay if P6 2 Defrost alarm completed by time Shows the Ad alarm messa
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