Wall thermometers, thermostats and controllers
Contents
1. 94 60 41 5 35 125 5 171 8 2 Installation 29 D146H002 Ed 02 8 3 Accesories The AKO D14918 programming key allows you to quickly and easily copy configured settings from one controller to another with the same functionality Thermostats and controllers with 2 to 4 relays 5 2 2 2 2 5 AKO D14918 AKO D14918 30 D146H002 Ed 02 AKO ELECTROMEC NICA S A L Avda Roquetes 30 38 08812 Sant Pere de Ribes Barcelona Spain Tel 34 902 333 145 Fax 34 938 934 054 www ako com We reserve the right to supply materials that might vary slightly to those described in our Technical Sheets Updated information is available on our website 35D146002 REV 01 20142. Status of COOL relay with probe fault Page 11 C6 O OFF 1 ON 2 Average based on last 24 hours prior to probe fault 0 2 3 3 as prog C7 and C8 1 ime relay ON in case of faulty probe Page 11 S If C720 and C80 the relay will always be OFF deenergised mini ie D ime relay OFF in case of fault of probe 1 Page 11 If C8 0 C7 0 the relay will always be ON energised 9 120 C9 Maximum duration of fast freezing mode 0 off P g 10 h 0 24 48 Change set point SP in fast freezing mode when it reaches this point SP C10 C10 returnstonormal SP C10 gt C3 0 OFF Page 10 C F 0 50 C3 SP The value of this parameter is always negative except if it is 0 Length of inactivity at digital input to activate ECO mode GU Only if P10 or P11 1 0 Page 11 d 2 Change set point SP in mode ane C12 P4 C12 lt C2 O OFF Page 11 Cm j 0 2 edm EP Exit to Level 1 1 Depending on model Nivel 1 Defrost Control These parameters are visible only if the unit is in cool mode P0 0 ES N dO Defrost frequency Time between two starts Page12 d1 Maximum defrost duration 0 defrost deactivated Page13 min 0 E 255 Type of message during defrost Page 13 d2 O Currenttemperature 0 2 2 1 Temperature at start of defrost 2 Display dEF message d3 Maximum duration of message min 0 5 255 time added at the end of the defrost 13 44 Defr
3. 5 INPUTS ALARM RELAY RELAYS COMMUNICATION MODE TC AKO D14601 120V NTC P Thermometers 0 AK0 D14602 230V NTC PTC Thermometers NO 0 NO NO AKO D14610 230V NTC PTC hermostats NO 1 0 AK0 D14612 120 V NTC PTC hermostats NO 1 NO NO AKO D14621 120V NTC PTC 2 hermostats YES 2 0 0 AKO D14622 230V NTC PTC 2 hermostats YES 2 NO NO AKO D14622 C 90 240V NTC PTC 2 hermostats YES 2 YES 0 AK0 D14631 120 V Upto3 NTC Upto2 Controllers 0 3 NO YES AK0 D14632 230 V Up to 3 Upto2 Controllers NO E 0 YES AKO D14632 C 90 240V Upto3 NTC Upto2 Controllers 0 3 YES YES AKO D14641 120V Up to 3 NTC Upto2 Controllers AccordingtoP6 4 0 YES AKO D14642 230V Upto 3 NTC Upto2 Controllers AccordingtoP6 4 NO YES AKO D14642 C 90 240 Upto3 NTC Upto2 Controllers AccordingtoP6 4 YES YES 2 4 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 o ensure that the device operates correctly only probes supplied by AKO should be used he 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 get a correct reading the probe must be situated in a location without
4. 0146 002 Ed 02 AKO D1460x AKO D1461x AKO D1462x AKO D1463x AKO D1464x AKO D146xx C Wall thermometers thermostats and controllers User Manual Vm AKO D146H002 Ed 02 Contents 1 Introduction 2 Description 2 1 Keypad functions 2 2 Display messages 2 3 Versions and part numbers 2 4 Maintenance 2 5 Precautions 3 Initial Setup 3 1 Wizard 3 2 Basic settings 4 Operation 4 1 Compressor control 4 2 Defrost control 4 3 Fan control 4 4 Light control 4 5 Pump down function 4 6 Alarms SANN 5 1 Thermometers 5 2 1 relay thermostats 5 3 2 relay controller 5 4 3 relay controller 5 5 4 relay controller 6 Connectivity 7 Parameter setup 7 1 Programming Menu 8 Technical specifications 8 1 Dimensions 8 2 Installation 8 3 Accesories 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 fol
5. 8 12 50 60 Hz AKO D14632 230 V 10 50 60 Hz AKO D14632 C 90 240 V 50 60 Hz ES 5 EM EX E N E COOL 5 5 4 relay controller AKO D1464x AUX S3 012 7 gt e S S2 AKO D14641 51 eS 120 V 8 12 eG 50 60 Hz AKO D14642 230 V 10 BS 50 60 Hz 16A AKO D14642 C 90 240 V als 50 60 Hz 29 89 1 DEF 2 16A COOL X z amp 6A OOO a as LAS JN AUX Q AUX Modbus L 4 According to model 21 D146H002 Ed 02 6 Connectivity Models with communication capabilities see table on page 6 have an R 485 MODBUS data connection port which allows users to manage them remotely via a PC with the AKONet programme or an AKO 5011 server A different address must be assigned to each unit on the same network This address is defined by parameter P5 B B Other equipment with communication PC 80039 e s AK0 5011 SES 22 D146H002 Ed 02 7 Parameter setup Through the programming menu users can set different parameters to adjust the operation of the controller to t
6. he cold room light using the controller switch the cold room light on or off press key for 2 seconds ensure that the light switches on when opening the door of the digital inputs should be configured as Door contact P10 or P1121 Using parameter P22 a timer can be programmed which keeps the lights switched on after closing the door the time is specified in minutes 4 5 Pump down function only four relay controllers This function prevents compressor problems caused by movement of the refrigerant using a stop start technique of the un it controlled by liquid solenoid the low pressure switch and the compressor D146H002 Ed 02 For this feature to be active the auxiliary relay must be set as Pump down 6 4 which automatically configures digital input 1 as low pressure switch 10 7 SHUTOFF When solenoid temperature probe 1 reaches the set point value SP the AUX relay is deactivated OFF by closing the liquid Since the compressor is still running COOL relay ON the evaporator pressure drops suddenly When it reaches a specific point his m When switch not tu anoeuvre isolates the refrigerant from the compressor crankcase preventing n case of low pressure switch failure the controller stops the compressor after the safety time set at P15 showi he message Pd but it will continue to function normally STARTUP temperature
7. 0 to 150 58 0 F to 302 F Resolution 2010 0 1 tit rae i dnd 15 Working environment s uu 10to 50 humidity 90 Ambientstorage humidity isses 30to 70 C humidity 90 Class DUDIOLSCLOU MEME eU pU 1 40 AA Wall assembly adaptable to built in housing DIMENSIONS eR RR REOR ROUEN OR GREGOR UR 171x94x42 mm Screwterminals for cables up to 2 5 mm Rating of control device built in automatic operation feature Type 1 B for use in 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 eau e ee a aa ERE Bal et toot aa eel 2500V Temperature during ball pressure test Accessible parts anes 75 C Parts which position active elements 125 C Voltage and current as per EMC tests AKO D14602 D14610 D14622 D14622 C D14632 D14642 D14632 C D14642 C 207 17 AKO D14601 014612 D14621 D14631 D14641 105 V 36 mA Current of radio jamming supression tests 270mA D146H002 Ed 02 8 1 Dimensions max 3 7
8. D146H002 Ed 02 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 activating it via parameter P4 Time set in parameter d1 has passed maximum duration of defrost The key is pressed 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 he temperature detected probe 1 at the start of defrost 42 1 or displaying the DEF message 42 2 The 43 parameter defines the time during which the message is displayed once the drip time D9 and the fan stop time F4 is over Other parameters Parameter d5 allows users to specify if the unit will 45 1 or will not 45 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 he total compressor running time d8 1 NOTE If parameter d1 is set to 0 no defrost will be performed Defrosting is not performed if the controller is set to heat mode 0 1 Second defrost only 4 relay controllers works the same way as defrost but acts on the auxiliary relay only if P6 1 controlled by probe 3 and serves to control defrost of a se
9. any ex he temperature which is being measured or controlled he probe and its cable should NEVER be installed in the same conduit as power control or supply cables he power supply circuit must be provided with a main switch rated at least 2 A 230 V located close to the equipme he cables will enter through the back and should be type 5 HO5V K The gauge will depend on local regu ions but should in no case be less than 1 mm he relay contact connecting cables should be 1 Halogen free cables are recommended Between 40 and 20 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 heat influences except for nt 2 5 mm and the common cable should always be 2 5 mm D146H002 Ed 02 3 Initial Setup 3 1 Wizard not available in thermometers The Darwin range controllers have a setup wizard to configure the main parameters for the type of application chosen see table The other parameters will be configured according to the Def column in the parameter table see section 7 1 3 For the meaning of each parameter see section 7 1 3 This wizard only starts the first time the device is powered To restart the wizard after the initial configuration restart the controller turning the power supply on and off and before 8 seconds have passed press the foll
10. digital inputs 51 01 02 P4 2 2 probe inputs 2 digital inputs 51 52 D1 02 4 3 3 probe inputs 1 digital input S1 2 53 01 P4 4 2 probe inputs 1 digital input 91 53 01 Probe types only available in thermometers and 1 relay controllers Parameter P9 permits selecting the type of probes to be connected between NTC P9 0 and 9 1 Probe function S1 Temperature control probe controls temperature of the chamber or cabinet SP acting on the COOL RES relay S2 Evaporator probe controls the defrost end temperature 44 and shuts down the fans S3 Second evaporator or product temperature probe controls defrost end temperature d4 of a second evaporator If second defrosting is not configured P61 it will function as product temperature probe Only available in controllers if P4 2 or 3 Only available in controllers if P4 3 or 4 Probe to display Parameter P8 defines which probe is displayed on the controller screen P8 0 All probes sequentially P8 1 Probe 1 P8 2 Probe 2 and P8 3 Probe 3 In the sequential mode the screen will display the name of each probe followed by the temperature of each S1 8 3 C 92 6 2 C 93 9 4 C Calibrating probe 1 CO Allows correcting a possible error in probe reading This can be very useful when you cannot place it in the ideal place Display mode Parameter P7 sets the display mode for the temperatu
11. probe 1 reaches the set point value plus the differential SP C1 the AUX relay is activa ON opening the liquid solenoid This causes the pressure in the evaporator to increase disabling the low pressure The controller detects this change and starts the compressor COOL relay O Balancing the high and low pressure settings before start up makes it much smoot f after a time as determined by P14 after opening the liquid solenoid AU minutes The controller will display LP STAND BY If the contro 5 0 solenoid AUX OFF Pressure 0 Lowpressure Digital pump down function is active some time may elapse from the time the s y switch fault switch Input OFF 0 Compressor COOL OFF Evaporator pressure SP SP C1 SP Time To serious damage on start up her and extends compressor li X relay ON the low pressure switch ned off the controller will again close the solenoid AUX relay OFF and will repeat the manoeuvre afte he low pressure switch is activated changing the state of digital input 1 and the controller stops he compressor COOL Relay OFF ed 5 QV and by function starts until ler stops This is because certain control phases of the system cannot be stopped Pressure switch fault he D146H002 Ed 02 4 6 Alarms Only controllers and thermostats Depending on model The unit alerts users via a message on the screen b
12. saving changes 7 1 3 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 Equivalent temperature in F IMPORTANT The available parameters in each piece of equipment depend on the functionalities it includes as such it is possible that some parameters do not appear in your equipment Level 1 Regulation and Control m N SP Temperature Adjustment Set Point CC NTC 50 limits depending on probe type Page 10 PIC 150 CO Calibrating probe 1 Offset Page 8 C F 20 0 0 0 20 0 C1 Probe 1 differential Histeresis Page 10 C F 0 1 ONE DOO i 99 99 c2 Upper blocking of the set oin Page 8 CPP C3 cannot be set above this value PIC p 150 Lower blocking of the set point Page 8 cannot be set below this value 20 ae Type of delay for protection of the compressor Page 11 C4 0 since the last disconnection 0 0 2 1 0FF ON ON OFF since the last shut down start up 24 D146H002 Ed 02 Level 2 __________ ____________ Values Min Protection delay time value ofthe option selected in parameter C4 Page1 1 e 0 0 120
13. 0 Al A3 Temperature alarm delay during start up Page 18 min 0 0 120 4 Temperature alarm delay after completion of a defrost Page 18 min 0 0 99 A5 Temperature alarm delay after reaching the value ofA1 orA2 Page 18 min 0 30 99 External alarm severe external alarm delay when receiving digital input signal INE P10 11 2 or 3 Page 18 0 0 7 Deactivation delay of the external alarm severe external alarm when the signal of the digital 0 20 input disappears P10 or P11 2 or 3 Page 18 A8 Show warning if defrost is terminated by time out O No 1 Yes Page 17 0 0 1 A9 Alarm relay polarity 0 Relay ON in alarm OFF no alarm 0 0 1 Page 18 1 Relay OFF on alarm ON with no alarm A10 Temperature Alarm Differential A1 andA2 Page 17 CPF 01 10 200 A12 Dooropen alarm delay if P10 or P11 1 Page 18 min 0 2 120 EP Exitto Level 1 26 D146H002 Ed 02 Nivel 1 General status Type of operation 0 Direct Cold 1 Inverted Heat Page 8 2 5 Level2 Delay of all functions on receiving electrical power Page 9 min 0 0 255 Access code password functions Page 9 0 Inactive 1 Block access to parameters 2 Keyboard lock D 2 Selection of inputs 1 1 probe S1 DIT DI2 P4 2 2 probes 51 52 01 0 2 323 probes S1 S2 S3 DI1 1 1 4 4 3 probes S1 S3 DI1 Page 8 P5 MODBUS address Page 22 1 1 225 Configuration of AUX relay Page 12
14. 10 50 60 Hz AKO D1460x D146H002 Ed 02 5 2 1 relay thermostats Control AKO D1461x Mode COLD 1 P020 AKO D14610 230 V 10 50 60 Hz AKO D14612 16A 120 V 8 12 50 60 Hz COOL I max N 16 AKO D1461x Mode HEAT 1 P021 AKO D14610 230 V 1096 50 60 Hz AKO D14612 gt 16A 120 V 4 896 12 50 60 Hz RES I max 16A 5 3 2 relay controller Control Alarm D146H002 Ed 02 AKO D1462x Mode COLD DI2 lt 0 0 7 9 als AKO D14621 51 120 V 8 12 eG 50 60 Hz AKO D14622 S 230 V 10 oH 50 60 Hz 16A AKO D14622 C eg 90 240 V sS 50 60 Hz ALARM alS COOL mc zS 6 219 TAA max 16 L ED QS EIS mL 4 GSM ALARM Modbus AKO 52042 gt AKO D1462x Mode HEAT DI2 3G eG gt AKO D14621 51 120 V 8 12 50 60 Hz AKO D14622 gt 29 230 V 10 _______ es 50 60 Hz 16A AKO D14622 C 90 240 9 50 60 Hz ALARM RES 59 ROF 6 2228 gt 1222853 S 16A Q es GSMALARM Modbus AKO 52042 20 According to model D146H002 Ed 02 5 4 3 relay controller AKO D1463x 53 012 DI1 AKO D14631 120 V
15. D1463x Parameters d7 0 P4 2 AKO D1463x Parameters d7 0 P4 2 Maximum distance 15 meters to other slave controllers Maximum 15 controllers S1 Control probe S2 Defrost probe evaporator RE External relay 14 D146H002 Ed 02 4 3 Fan control Only controllers Fan control COOL OFF ON 4 FAN onyifF2 1 OFF 4 Fo FO F1 sP SP C1 probe 2 probe 2 Time a 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 setting up one of the digital inputs as door contact P10 or 11 1 f F5 Yes and the door remains opened more than 15 seconds the compresor also stops Parameter F3 defines the status of fans during defrost Parameter F4 defines the fan start up delay after defrost see section 4 2 4 4 Light control Only 4 relays controllers n equipment with 4 relays it is possible to configure the auxiliary relay as Light P6 3 which allows controlling
16. button 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 P10 or P11 5 or activation of the mode by switch P10 or P11 9 should be configured If parameter C11 is set to 0 the ECO mode will only activate via switch P10 P11 9 COMPRESSOR PROTECTION DELAY There are different types of delay selectable using parameter C4 to protect the compressor COOL relay These delays prevent continuous compressor starts and stops due to sudden changes in temperature OFF ON Minimum compressor OFF time before each start up OFF ON ON OFF Minimum time during which the compressor will remain ON and OFF in every cycle 1 The delay time is defined by parameter C5 OFF ON OFF ON ON OFF ON COOL Of Time OPERATION IN CASE OF PROBE 1 FAILURE probe 1 fails breakdown disconnection etc the compressor behaviour will depend on parameter with one of the following options being available 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 Available depending on
17. ch is mainly to control positive services temperature above 3 They have defrost by compressor stop but can operate in Cooling or Heating mode AKO D14610 AKO D14612 Thermostats with alarm relay In addition to the control relay they have an alarm relay AKO D14621 AKO D14622 AKO D14622 C Controllers They can have 2 to 4 relays have communications clock in real time and advanced control functions Their application depends on the no of relays 3relays Designed to control positive services above 3 C Defrost by resistors or cycle reversal AKO D14631 AKO D14632 AKO D14632 C 3 4 relays Designed to control positive or negative services Defrost by resistors or cycle reversal Configurable auxiliary relay AKO D14641 AKO D14642 AKO D14642 C D146H002 Ed 02 2 Description ECO mode active COOL relay active FAN relay active Eco DT x KA DEF relay energised 3 Cold room light active Fast freezing mode RES relay ieu 2 Temperature AUX relay active In AKO D1461x D1462x if 0 0 AKO D1461x D1462x if 1 Keyboard AKO 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 allows changing the se
18. cond evaporator Remote defrost only controllers Starts or stops the defrost using a pushbutton connected to one of the digital inputs This input should be configured for this function P10 or P11 8 Defrost Master Slave only controllers 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 designated as Master P6 5 initiates a defrost it forces the rest which must be configured as slaves P10 or P11 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 on 4 relay units and requires the use of 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 D146H002 Ed 02 Example of Master Slave defrost function I I 16A 16A Master Slave LN AKO D1464x Parameters AKO D1462x d7 0 4 2 P6 5 Parameters P10 4 EEE AKO
19. d the COOL relay is turned off cutting power to the resistors e temperature in probe 1 reaches the set ue SP minus the probe differential C1 product Upon enabling this mode the compressor starts ONES OS up until the temperature of probe 1 reaches the CooL set point value minus the change indicated in pa ea rameter C10 SP C10 The unit will then return to normal operation ER If this point is not reached the unit returns to normal operation after the time set in C9 or by pressing the w key again for 5 seconds Otherwise users may turn this function on an d off at will by pressing an external button 1 touch on off for which one of the digital inputs must be set as fast reezing activation P10 or 11 6 According to model D146H002 Ed 02 MODE Only controllers 4 This mode saves energy during periods which the refrigeration cabinet is not used much While this mode is active the screen will display the ECO icon It is activated after a certain period set in parameter C11 of cabinet door inactivity for which one of the digital inputs must be set as door contact P10 or P11 1 The operation is the same as normal cool but increasing the set point by COOL the number of degrees set in parameter C12 OFF C SP C12 SP C12 C1 e Optionally you can activate and deactivate this way whenever you want using an external push
20. e 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 It can also help to avoid repeated system start ups when tests are carried out on the facility s electrical system the system in any way If additional delays alarm protection of the compressor etc have been i IMPORTANT During the time set in P1 the controller will only show the temperature It will not control programmed they start to run after the period set by P1 4 Operation D146H002 Ed 02 4 1 Compressor control not available in thermometers NORMAL OPERATION COOL ON E When the temperature in probe 1 reaches the set COOL point value SP plus the probe differential C1 OFF Mm the COOL relay is activated starting the SP SP C1 compressor and leading to a drop in temperature Once you the set point value SP is reached the COOL relay is turned off stopping the compressor REVERSE OPERATION HEAT Only thermostats ON When th COOL point va OFF SP C1 SP Se FAST FREEZING MODE Only controllers Commonly used for fast freezing newly stored Activated by pressing the w key for 5 seconds The display shows the amp amp icon while this mode is active the COOL relay is activated starting the heating resistors and leading to a rise in temperature Once the set point value SP is reache
21. he needs of their installation 7 1 Programming Menu To change the set point press the SET button for 5 seconds or until the SP is displayed on the screen not available in thermometers To access the programming menu press the SET button for 10 seconds or until the PrG appears on the screen IMPORTANT If the access code function has been set as keypad lock P2 2 or as parameter access block P221 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 seg 10 seg pu erature Release SET Release SET ication to access the to access set point programming 7 1 1 Changing the set point not available in thermometers Press the SET button for 5 seconds or until SP appears on the screen 5 Change b rem erature Current New em erature ication Value Value ication 23 D146H002 Ed 02 7 1 2 Changing the operating parameters Press the SET button for 10 seconds or until PrG appears on the screen After 20 seconds with no key being pressed the equipment will return to the previous level If you are on level 3 the changes will not be saved PROGRAMMING 20 20 20 Change Change Change men parameters value SET Temperature Level 1 Level 2 Level 3 Indication Menus Parameters Values 4 7 Back up one level without
22. ide the probe limits NTC 50 99 50 150 ndicates defrost is underway After defrosting the message will continue to be displayed during the time specified in parameter d3 see Chapte 4 2 ting with temperature aximum temperature in control probe alarm Temperature set in A1 has been reached p 17 Activates alarm relay Alternating with temperature inimum temperature in control probe alarm Temperature set in A2 has been reached p 17 Activates alarm relay Alternating with temperature External alarm activated by digital input p 17 Activates alarm relay Alternating with temperature Severe external alarm activated by digital input p 17 Activates alarm relay Alternating with temperature Defrost alarm time out Displayed when a defrost ends after the maximum time elapsed as defined in parameter d1 p 17 Does not activate alarm relay Alternating with temperature Door open alarm Shown if the door remains open longer than specified in parameter A12 17 Does not activate alarm relay Alternating with temperature Pump down malfunction error Stop p 17 Does not activate alarm relay Alternating with temperature Pump down malfunction error Start up p 17 Does not activate alarm relay D146H002 Ed 02 2 3 Versions and part numbers POWER DIGITAL MODELS SUPPLY
23. low 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 Electromecanica gives no guarantee 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 gulations Follow strictly the instructions given in this manual 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 constitu te a risk for the equipment and its users AKO Electromecanica reserves the right to make any non metrology modification to the docu
24. mentation or the equipment without previous notice D146H002 Ed 02 1 Introduction he Darwin controller range is particularly suitable for controlling refrigerating equipment wall units islands cabi nets electrical panels etc he wide range of models available ensures the best solution for each application he MURAL models have been specially designed with a quick intuitive menu system with which the user will feel more comfortable and their navigation has been designed following mobile phone remote control trends hereby allowing quick assimilation of the functions oreover they have parameter protection using a password to access programming and the HOT KEYS allow quick and easy access to the most frequently used functions Temperature displays in cold and hot applications displayed in C or F selectable by programme the information shown on the high luminosity screen has been grouped according to functionality A first display larger in size shows the temperature and the operating messages The second display shows the signalling icons for the different outputs Ihe parameters have been categorised by names and grouped by functions have various stored pre programmes depending on the application for a quicker start up Available Models Thermometers Ideal for applications where only the temperature needs to be shown AKO D14601 AKO D14602 Thermostats They include a relay whi
25. model Probe 1 error If C6 3 D146H002 Ed 02 4 2 Defrost control not available in thermometers On units with 1 relay defrost can only be set by compressor shutdown On units with 2 or 3 relays the auxiliary relay must be set as defrost P6 1 except for defrost by compressor shutdown Max d1 E F4 _ 93 DEF MESSAGE CONTROL DRIP CONTROL Defrost start up Defrost is initiated if Time scheduled in parameter dO has passed since the beginning of last defrost It is time for one of its scheduled start ups parameters d10 to 415 This feature requires that dO is set to 0 only units with RTC The key is pressed for 5 seconds Defrost type Selected by parameter d7 to define the controller performance during the defrost process he defrost resistors start up and the compressor stops defrost is the result of heat from the resistors Fans will be running or not depending on parameter F3 By resistors 7 0 4 way valve is activated which reverses the cold generating circuit and the compressor starts up forcing the defrost Fans will be running or not depending on parameter F3 Reverse cycle Heatpump 97 1 time Parameter 49 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
26. ormation tid m Access code Password Page 9 Level 2 PU Program version Information Pr Program revision Information EP Exitlevell 8 Technical specifications Power supply AKO D14602 014610 230 V 10 50 60 Hz 3 5 014622 014632 014642 230V 10 96 50 60 Hz3 75VA AKO D14601 D14612 D14621 D14631 D14641 120 8 96 12 50 60 Hz 4VA AKO D14622 C D14632 C D14642 C 90 240V 50 60 Hz 7 VA Maximum Voltage rer redire re arua deg ugue qoe E a OEE n 20V Communication Subject to availability Modbus RTU Rs485 Inputs AKQ D1460x D1461x suse rt tt 1 NTC PTC input 01462 1 NTC PTC input 2 digital inputs AKO D1463x D1464x According to parameter 2 NTC inputs 2 digital inputs nor 3 NTC inputs 1 digital input soot cr EN60730 1 12 9 A 250 EN60730 1 8 4 A 250V FANIRE AV EN60730 1 12 9 A 250V L a tenet Geeta a ane EO EN60730 1 5 4 A 250V operato Ns EN60730 1 100 000 operations ypas au EE EE EE EE aaa ks NTC AKO 149xx AKO 1558xx Measurementrang isses eene 50 0 C to 99 9 C 58 0 F to 21096 50
27. ost end temperature probe 2 If z 1 Page13 C F 50 8 99 9 Defrost on equipment start up Page 13 45 0 First defrost as per dO 0 0 1 1 YES First defrost as per 46 d6 Defrost start delay on equipment start up Page13 min 0 0 255 d7 Defrosttype O Resistors 1 Inverted cycle 12 0 0 1 d8 Calculated time between defrost period Page 13 0 0 1 0 Total actual time 1 Sum of times the compressor is on Tees Exitto Level 1 25 D146H002 Ed 02 Nivel 1 Fan control E N wna FO Fan shut down temperature as per probe 2 if PA 1 15 C F 50 99 9 F1 Probe differential If P4 gt 1 Page 15 C F 0 1 20 200 F2 Stop fans when stopping compressor 0 No 1 Yes Page 15 0 1 1 F3 Fanstatus during defrost Page 15 0 Off 1 On 0 1 Starting delay after defrost if F3 0 Page 15 A Will only operate if itis higher than 99 3 F5 Stop fans on opening the door 0 No 1 Yes Page 15 0 0 1 Requires a digital input configured as port P10 or P11 1 EP Exit Level 1 Nivel 1 Alarm control visual mm N ______ A0 Configuration of temperature alarms Page 17 0 0 1 0 Relative to SP 1 Absolute 99 0 99 0 A1 Maximum alarm probe 1 must be greater than SP Page 17 C F A2 PTC 150 A2 Minimum alarm probe 1 must be greater than SP Page 17 min 50 0 50
28. owing sequence of keys in the indicated order w y SET When the device is turned on for the first time the screen displays the Inl 1 alternatively choose the option best suited to your facility using the and w keys according to the table below Thermostats SP do 91 1 Chilling 6 20 0 2 21 C 69 8 F 0 0 0 3 Heat Incubators 37 C 98 6 F Controllers VARIABLE PARAMETERS s do di FO F3 1 Multi purpose 2 C 36 F 4 20 8 C 46 F 2 Frozen 18 C 0 4 F 4 20 0 32 F 0 3 Fruits and vegetables 10 C 50 F 4 20 30 C 86 F 4 Fresh fish 0 C 32 F 4 20 8 C 46 F 5 Soft Drinks 3 C 37 4 F 24 20 8 C 46 F 6 Bottle Racks 1226 583845 2 20 30 C 86 F 7 AC 21 C 69 8 F 96 0 99 C 210 F WARNING The default parameters by type of application have been defined for the most common applications Check that these parameters are suitable for your installation D146H002 Ed 02 3 2 Basic settings Type of operation Only thermostats Specifies how the controller will control temperature see page 10 P0 0 Direct mode refrigeration applications 1 Reverse mode heating applications Type of inputs Only STANDARD controllers Some units have 3 programmable inputs to function as probes or as digital inputs as needed This configuration parameter is defined by P4 with the following options P4 1 1 probe input 2
29. re displayed on the screen P720 No decimals in 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 C10 and C12 D146H002 Ed 02 Digital input function Options available depending on the model The digital input function is defined by parameters P10 D1 and P11 D2 with the following options P10 P11 0 Off no func P10 P11 1 Door contac P10 P11 2 External ala ion m controls P10 P11 3 Severe external alarm P10 P11 4 Slave defros P10 P11 5 Activation o external pus the ECO m hbutton p activates defrost synchronisation with master unit p 13 controls the activation deactivation of ECO mode 11 activation deactivation of the external alarm p 17 ontrols activation deactivation of the severe external alarm p 17 ode by pushbutton controls activation deactivation of the ECO mode using an 11 P10 P11 6 Activation of the fast freezing mode controls the activation deactivation of this mode with an external but 10 10 11 7 Lo
30. 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 Delay of external alarm the moment the digital input becomes active Delay of external alarm from the moment the dig Door opening alarm relay emperature probe 1 reaches the set value severe external alarm activation A6 Delays the activation of the external alarm from severe external alarm deactivation A7 Delays the deactivation of the external alarm al input becomes inactive A12 Delays activation of the open door opening detection alarm Alarm relay configuration Depending on model If your equipment has an ala m relay see page or auxiliary relay configured as an alarm P6 2 the parameter A9 allows specifying the relay status when an alarm is triggered A9 0 relay active ON in case of alarm no alarm OFF 9 1 Inactive relay OFF in case of alarm no alarm ON 5 Wiring The probe and its cable should NEVER be installed in the same conduit as power control or supply cables Legend S1 Probe 1 temperature in the chamber or cabinet S2 Probe 2 defrost S3 Probe 3 temperature of product 2nd defrost DI1 DI2 Digital Input 5 1 Thermometer 1 Digital Input 2 014601 120 V 8 12 50 60 Hz AKO D14602 230 V
31. t point SP 6 Pressing for 10 seconds goes to the programming menu n the programming menu go to the level displayed or accept the new value while setting a parameter lt Press for 5 seconds to start stop Defrost mode n the programming menu allows you to scroll through the various levels or during the setting of a parameter to change the value Press for 5 seconds to start stop Fast Freezing mode rapid cooling Function available depending on he model lt inthe programming menu allows you to scroll through the various levels or during the setting of a parameter to change the value Press for 5 seconds activates standby mode Pressing for two seconds the device returns to normal In Standby mode the equipment performs no actions and only the m indicator is displayed on the screen nthe programming menu go to the level displayed Pressing it for 2 seconds activates or deactivates the cold room light if P6 3 This function stays active although the unitis in the m mode Only controllers with 4 relays n the programming menu exit without saving parameter return to previous level or exit program ming D146H002 Ed 02 2 2 Display messages Flashing 0 Access code Password request You must enter the access code configured on L5 to execute the requested unction p 9 and 23 See also parameter P2 p 27 Probe 1 2 or 3 faulty open circuit crossover or temperature outs
32. to 17 P6 1 2ndDefrost 1 2 Alarm 3 Light 1 1 5 4 Pump down 1 5 Master Defrost 1 Temperature display mode Page 8 P7 0 Wholein C 1 decimal in C 0 1 3 2 Whole in F 3 One decimal in F Probe to be displayed as per parameter P4 Page 8 P8 0 Visualization of all the probes in sequence 1 Probe 1 1 1 3 2 Probe2 3 Probe3 1 P9 Selection of probe type O NTC 1 PTC Page 8 0 0 1 Configuring digital input 1 Page 9 0 0 1 Door contact 2 External alarm P10 3 Severe external alarm 4 Slave defrost 5 Act ECO mode by pushbutton 0 0 9 6 Act Fast Freezing If C9 0 7 Low pressure switch 1 8 Remote defrost 9 Act ECO mode by switch Configuring digital input 2 Page 9 0 0 1 Door contact 2 External alarm P11 3 Severe external alarm 4 Slave defrost 5 Act ECO mode by pushbutton 0 0 9 6 Act Fast Freezing If C9 0 7 Not used 8 Remote defrost 9 Act ECO mode by switch Digital input polarity 1 Page 9 pig 0 Energised on closed contact 1 Energised on open contact Digital input polarity 2 Page 9 0 on closed contact 1 Energised on open contact Maximum start up time after pump down 16 Values between 1 and 9 seconds are not accepted sec 0 0 120 P15 Maximum pump down time 16 min 0 0 15 P22 Coldroom light timer Page15 min 0 0 999 EP Exitlevell 1 Depending on model 27 D146H002 Ed 02 Nivel 1 Access control and inf
33. vice returns to its normal operation At least one of the digital inputs must be configured as external alarm P10 or P11 2 or severe external alarm P10 or P1123 Activates the alarm relay Depending on model Defrost alarm completed by time Only controllers Shows the Adt alarm message when a defrost terminates by time out if parameter A8 1 This alarm is only displayed on the screen does not activate the alarm relay Open door alarm Depending on model Displays message when the digital input configured as door contact P10 or P11 1 is active longer than the time set by parameter A12 This alarm is only displayed on the screen does not activate the alarm relay Pump down alarm timed out only 4 relay controllers The LP or Pd message is displayed when the pump down function times out either in the start up or the shutoff phase see section 4 5 This alarm is only displayed on the screen does not activate the alarm relay Only available in thermostats with 2 relays or in controllers with 4 relays In controllers with 4 relays the relay AUX must be configured as alarm P6 2 17 Alarm delay D146H002 Ed 02 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
34. w pressure switch controls the activation deactivation of the compressor depending on the state of the low pressure switch when the pump down function is on p 16 only available in P10 and 4 relay units 10 11 8 Defrost activation You can control the activation deactivation of the defrost using an external pushbutton connected to the digital input p 13 10 11 9 Activation of the mode by switch controls activation deactivation of the mode using external switch p 11 Digital input polarity According to model Parameters P12 D1 and P13 D2 define the polarity of the digital inputs with the following options P12 P13 0 The digital input is energised on closed contact P12 P13 1 The digital in Password put is energ ised on open contact Parameter 15 sets 2 digit access code for accessing certain controller functions Its functionality is set using the P2 parameter and a choice of 2 0 Inactive access cod 2 1 Blocks access to pa 2 2 Blocks keypad func Power supply delays several poss e password ameters wil ibilities will never by requested request access code L5 when trying to access the program menu ions will request the access code L5 when trying to activate any of the keypad functions standby defrost fast freezing program menu set point change menu etc Parameter P1 delays all controller functions when energised and displays a minut
35. y 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 maximum temperature and A2 low temperature parameters This value can be Absolute A021 A1 A2 should indicate the temperature at which the alarm should be activated Relative to SP A020 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 A10 sets the differentials for both parameters hysteresis Activates the alarm relay Depending on model Example In a controller we configure the following parameters SP 2 A1 10 A10 2 If A0 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 A0 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 Depending on model Displays the message AE external alarm or AES severe external alarm when the digita 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 de
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