Electronic expansion valve controller
Contents
1. 4 1456H002 Ed 01 AKO 14560 Electronic expansion valve controller User Manual me AKO 6 1456H002 Ed 01 E E 3 PA 311181015 119f031313016TT a eee 3 Compatibility 3 Installation Precautions x AINTONANCES 56411052 16111102151251111011141514412112121121321610112114142121821211411121121211416112112121121511211312114141121 ROTE TEES Emergency power supply input nitial configuration Wiring T sle2s 0 0 Fe a eda A OLA 0 gle eg eager cay era carer earer ear eeareearecearereaceriarerearereareceerecenreeere ricerca areas 6 ndicators essages 5 Operation Display Adjustment of parameters Regulation E Alarms Pressure PROB cere eC ETETEEREEREEREEREE EHE UTERE TTE TEE HE UE rtt e edd Temperature probe Expansion valve INIVIallBatameteS S G sTable afiparaimeteIS eese AAA yesTeshnicalispeaifiGation see TETTE AKO Electromec nica thanks and congratulates you for purchasing our product in whose development and manufacture the most innovative echnology 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 certifications we have obtained This is a high performance high technology product The operation and final performance of the equipment depend on proper planning installation configuration2. LIQUID SOLENOID ime EXPANSION VALVE AKO 145601 EVAPORATOR LIQUID CONTAINER AKO D141xx COMPRESSOR Regulation he controller regulates the opening of the expansion valve according to the temperature and pressure readings obtained by probes 1 and 2 and according to the demand for controlled cooling by an external element ON OFF input f there is demand for cooling ON OFF input active the controller opens the liquid solenoid and regulates the opening of the expansion valve in order to obtain the overheating shown on the SH parameter When the cooling demand is completed the controller closes the liquid solenoid and expansion valve displaying he SEP message on screen he ar and or parameters define the behaviour of the expansion valve during start up ar Defines the opening degree of the valve at the moment when the controller is started up We recommend hat this value is as close as possible to the opening work value in order to ensure smooth control If continuous stop and starts are detected for the compressor or if there is a return of liquid lower the initial opening value If excessively low pressures are detected during start up increase the initial opening value ar E Defines the duration in seconds of the initial valve opening defined in ar Once this time has elapsed the controller will begin to regulate the valve automatically The regulation pa
3. Communication speed BPS400 48 96 384 in Initial settings enter password and press SET 0 0 999 Thek5E and d5P parameters are adjusted automatically when the expansion valve model is selected They should only be changed by qualified staff AKO is not responsible for any damage that may be inflicted on the installation 11 C 1456H002 Ed 01 7 Technical specifications Controller AKO 14601 DoWer supply ccs a EEUU DEL 24 V 10 1596 50 60 Hz Consumption including EXPANSION Valve isis nerd a EO Fc E EE X E YER TO 1A Output for expansion valve Valves with a bipolar stepper moto Compatibility Withtexpansion ValV8s s nai ence este er e teer teint see page 3 aximum consumption of expansion Va Ve 5 t2 rettet 700 mA Opening control precision 1 1000 0 0 to 100 0 96 Working ambient temperature Storage ambient temperature 0 50 C moisture gt 90 96 0 60 C moisture gt 90 96 Relay solenoid valve nd SPST 2 2 A 250 V Compatibility withiretrigerant 9aS S cuc cer e e e e e a e a e a e a n a e a RR RR n e see page 3 Communications MODBUS RTU ASCII Rs485 Terminals dIla an Screw on up to 2 5 mm Vsee page 4 556D A DIN rai Pressure probe AKO 15571 AKO 15572 iE e g 5 Vcc 5 Output DC 0 5 to 4 5 V ratiomet
4. 9 inE Integral time Sec 0 120 999 BEF Derivative time Ge 0 30 999 c Lower overheating alarm Em 0 Deactivated 1 Automatic reset 2 Manual reset 0 1 2 1155 Lower overheating alarm activation value K 0 5 3 30 L5E Lower overheating alarm turn on delay time Sec 1 15 300 ESE Lower overheating alarm deactivation time K 1 5 30 5 28 2 Manual reset 9 1 2 LAPS Maximum pressure alarm activation value bar psi 0 1 9 999 APE Maximum pressure alarm turn on delay time Min 1 1 15 RPE Maximum pressure alarm deactivation time bar psi 0 1 8 99 9 Maximum overheating alarm s 0 Deactivated 1 ione reset 2 Manual reset 9 2 055 Maximum overheating alarm activation value K 10 0 30 40 0 HSE Maximum overheating alarm turn on delay time Min 1 3 600 HSE Maximum overheating alarm deactivation time K 7 0 27 37 0 pap Mm 1 Automaticreset 2 Manual reset 2 2 FP5 Maximum freeze alarm activation value CF 100 0 392 FPE Freeze alarm turn on delay time 560 5 30 200 FPE Maximum freeze alarm deactivation time C F 97 3 392 ppa Lower pressure alarm in probe 2 0 1 2 0 Deactivated 1 Automatic reset 2 Manual reset tPs Lower pressure alarm activation value bar psi 1 0 25 LPE Lower pressure alarm turn on delay time 560 5 5 200 mg Lower pressure alarm deactivation time bar psi 0 7 0391 25 3 C 1456H002 Ed 01 GROUP 2 DR TS PU Pressure units 0 Bar 1 Psi EU Temperature units 01806
5. ARE i Selection of expansion valve model connected 1 Danfoss ETS 12 5 25B 2 Danfoss ETS 50B 3 Danfoss ETS 100B 4 Danfoss ETS 250 5 Danfoss ETS 400 6 Alco EX4 En 7 Alco EX5 8 Alco EX6 9 Alco EX7 1 1 17 10 Alco EX8 330 step sec 11 Alco EX8 500 step sec 12 Spolarn SEI 0 5 11 13 Spolarn SEI 1 5 20 14 Spolarn SEI 30 15 Spolarn SEI 100 16 Spolarn SEI 175 17 Carel E2V ESE Total steps for expansion valve 0 260 999 d5P Expansion valve speed 0 250 999 GROUP 3 EEM rs cr r 3pr P55 Parameter access password 5 999 Type of refrigerant gas used 0 R 22 1 R 134A 2 R 404A 3 R 407C 4 R 410A 5 R 717 6 R 23 0 1 12 7 R 507C 8 R HFO1234ze 9 R 744 10 R 407A 11 R 407F 12 R 507A PSH Pressure probe range Maximum bar psi 1 15 99 PSL Pressure probe range Lower bar psi 1 99 PSa Pressure probe calibration S2 bar psi 9 9 0 9 9 Pressure probe calibration S1 C 19 9 0 19 9 utr Expansion valve opening speed limit 0 1 OFF 9 9 Maximum expansion valve opening limit 0 100 100 Uri Lower expansion valve opening limit 0 0 100 FE Reading delay for probes S1 and S2 560 0 1 1 10 0 Lar Lowerexpansion valve forced opening value 96 0 0 OFF 100 Display mode 0 Displays options 1to4sequentially 1 Overheating value K 0 1 14 2 Suction pressure value Probe 2 3 Valve opening 4 Temperature value Probe 1 5 Overheating set point E id Communication direction 1 1 254 ESP
6. Indicates that there is an active alert LED Overheating Indicates that the display shows the overheating value LED Pressure Indicates that the display shows the suction pressure value Probe 2 LED Expansion valve opening Indicates that the display shows the valve opening percentage LED Temperature Indicates that the display shows the temperature value Messages PS Problem in the pressure sensor E5d Probe 1 not connected ESE Crossed temperature probe naP Maximum Operation Pressure MOP alarm LoP Lower Operation Pressure LOP alarm H5 Maximum overheating alarm L Lower overheating alarm FrR Frost detection alarm SER Regulation stopped by external thermostat ON OFF Input CAL Expansion valve initialisation CRE Valve closing underway due to fault in the electricity supply emergency power supply required IMPORTANT In the event of an alarm or fault in any of the probes the controller closes the liquid solenoid and expansion valve until the problem is solved C 1456H002 Ed 01 5 Operation Keypad PRG key Pressing it for 5 seconds accesses the parameters programming menu Pressing it twice allows the regulation to be restarted in the event of an alarm see page 9 In the programming menu you may return to level 1 UP key In the programming menu you may scroll around the different levels or during the setting of a parameter change its value DOWN w key In the programming menu you may scroll around
7. the different levels or during the setting of a parameter change its value SET key Allows the displayed value to be changed overheating suction pressure expansion valve opening or temperature only if the dA parameter 0 The programming menu allows you to move around the different levels and accept changes Pressing it for 5 seconds exits the programming menu a Display The value displayed is set via the dA parameter By default it displays the overheating value Adjustment of parameters Using the programming menu you will be able to configure the various parameters in order to adapt the controller s operation to the needs of its installation In order to access the programming menu press the PRG key for 5 seconds or until the message PYd appears on the display Using the and w keys enter the password programmed into the P55 parameter and press SET Once entered correctly the password will not be requested again for 30 minutes Password Enter r 5066 request passwort RE E a ES ar 3806 58 amp Change value E Accept _ SB changes Level 1 Menus Level 2 Changemenu Parameters Change parameter A a 5 sec SET Press the Set button for 5 seconds to exit programming If no key is pressed for 3 minutes the controller will exit programming Level 3 Values Change value a e m Accept changes H 6 1456H002 Ed 01
8. 100 16 Spolarn SEI 175 17 Carel E2V 5h Configure the overheating set point C 1456H002 Ed 01 Wiring Emergency power supply 12 Vdc input Electronic expansion AKO 80077 aee 230V AKO 145601 Power supply valve Probe 1 Liquid Temperature solenoid AKO 15606 Max 25 mts J AKO 15586 o Probe 2 Suction ressure AKO 15571 Red 5V Green signal Black Common The electronic expansion valve must be the bipolar type l Danfoss Alco Carel Sporlan Select the valve model connected via the ETS EX5 6 Alco SEI SEH En parameter A White White Yellow Black The table shows the equivalence of f terminals for the most common models A Black Black White White Connection disconnection should be made B Red Brown Brown Red via a contact or potential free relay B Green Blue Green Green C 1456H002 Ed 01 4 Equipment description LED manual mode ED Alert ED Overheating LED Pressure LED Expansion valve openin LED Temperature PRG Key UP key DOWN key SET Key Indicators LED C Indicates that the display shows the temperature value in C LED bar Indicates that the display shows the pressure value in bars LED manual mode Indicates that the opening amount of the valve has been configured manually Car parameter LED Alert
9. A R 407C R 410A R 717 R 23 R 507C HFO 1234ze R 744 R 407A R 407F R 507A C 1456H002 Ed 01 3 Installation Precautions Using the unit not observing the manufacturer s instructions may alter the appliance s safety requirements Only probes supplied by AKO should be used for the appliance to operate correctly Ihe unit should be installed in a place protected from vibrations water and corrosive gases where the ambient temperature does not exceed the values indicated in the echnical data For the reading to be correct the probe should be used in a place without heat influences apart from the temperature you want to measure or control he probe and its cable should NEVER be installed in a conduit together with power supply control or feeder cables The power supply circuit should be equipped with a switch for its disconnection of at least 2A 230V situated near the appliance The cables are inserted into the rear part and should be H05VV F or H05V K type The section to be used will depend on local regulations but should not under any circumstances be less than 1 mm to The cables for wiring the relay contacts should have a section of between 1 mm and 70 2 5 mm and wire for the one in common should always have a section of 2 5 mm Using of halogen free cables is recommended Probes 1 and 2 should be installed as close as possible to the evaporator output There sh
10. 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 guarantee of its operation in any use not foreseen in the manual and is not responsible for any damage resulting from improper use configuration 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 regulations 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 substances 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 Electrom
11. ec nica reserves the right to make any non metrology modification to the documentation or the equipment without previous notice C 1456H002 Ed 01 1 Introduction Electronic expansion valves controller for refrigeration systems compatible with most electronic expansion valves on the market Its innovative PID algorithm allows you to optimise the evaporator overheating control and as a result improve the efficiency of the refrigeration system It is equipped with MODBUS communications for remote monitoring and parametrisation 2 Versions and references MODEL DESCRIPTION Electronic expansion valves control kit consisting Controller AKO 145601 AKO 14560 Pressure probe AKO 15571 Temperature probe AKO 15606 Power supply transformer 115 230 V 24 V AKO 80077 AKO 145601 Spare EEV electronic contro AKO 15571 Spare pressure probe from 1 to 15 bar AKO 15572 Optional pressure probe from 1 to 25 bar AKO 15606 Spare Pt1000 Temperature probe 100 to 120 C AKO 80077 Spare power supply transformer 115 230 V 24V r Compatibility The following tables show controller AKO 145601 compatibility with electronic expansion valves and refrigerant gases COMPATIBLE ELECTRONIC EXPANSION VALVES Manufacturer DANFOSS ALCO SPORLAN CAREL BIS tee EX4 SH 0 5 11 ETS 25B ETS 50B EX5 SH 1 5 20 Models EX6 SEI 30 E2V ETS 100B EX7 SEI 100 E20 EX8 SEI 175 ETS 400 COMPATIBLE REFRIGERANT GASES R 22 R 134A R 404
12. ould not be any device between them valves peep holes etc that could alter the i reading in E Maintenance Clean the surface of the controller with a soft cloth water and soap Do not use abrasi ve detergents petrol alcohol or solvents 58 Emergency power supply input If the controller has an emergency power supply 12 Vdc this closes the expansion valve and displays the CL message in the event of a fault in the electricity supply Initial configuration This equipment has been designed to regulate the electronic expansion valve via overheating control of the refrige rant gas in the evaporator Its configuration has been set by default for the most common applications Check that the parameters match the characteristics of its installation Prior to start up it is vital to configure the following parameters r FE Select the type of refrigerant gas used in the installation from among the following compatible gases 0 R 22 1 R 134A 2 R 404A 3 R 407C 4 R 410A 5 R 717 6 R 23 7 R 507C 8 R HFO1234ze 9 R 744 10 R 407A 11 R 407F 12 R 507A En Select the expansion valve model installed from among the following compatible models 1 Danfoss ETS 12 5 25B 2 Danfoss ETS 50B 3 Danfoss ETS 100B 4 Danfoss ETS 250 5 Danfoss ETS 400 6 Alco EX4 7 Alco EX5 8 Alco Ex6 9 Alco EX7 10 Alco EX8 330 step sec 11 Alco EX8 500 step sec 12 Spolarn SEI 0 5 11 13 Spolarn SEI 1 5 20 14 Spolarn SEI 30 15 Spolarn SEI
13. rameters Pra int dEr determine how opening of the expansion valve is modified in light of the temperature and pressure variations detected Pra The proportional gain determines how the valve opening varies for each level of overheating variation If set to 3 the valve opening varies 3 per 1 0K of overheating If the opening is to unstable lower the gain value If the opening to too stable increase the gain value ink Determines the controller response speed according to the degree of deviation between the current overheating value and the set point 5H The lower the value the greater the response speed and therefore the greater the oscillations are before getting to the set point dEr Determines the controller response speed to sudden changes in pressure temperature The higher the value the faster the corrective action will be but oscillations will also increase before reaching the set point C 1456H002 Ed 01 Alarms The alarms alert the user and stop regulation closing the expansion valve if determined values of pressure overheating or temperature are reached These values are defined using the following parameters L 56 Lower overheating alarm H5n Maximum overheating alarm LPn Lower pressure alarm in probe 2 nPn Maximum pressure alarm in probe 2 FPn Ice alarm in evaporator For every alarm 4 options must be configured Activation type Disabled The alarm is not activated Automa
14. ric Ce 1065 easuring tange AKO0 15571 eee c end 1 to 15 bar AKO0 15572 e c a c cec to 25 bar PRECISION cecinere teen ense I MC BOL 2 090 aximum pressure supported 1 5 times the maximum reading range aximum peak pressure 3 times the maximum reading range Working ambient temperature sss tnter trente 40 to 80 C Wiring Black Red Green KS ores Ie MR TTD TRO Temperature probe AKO 15606 ype of sensor Pt1000 PROLC CH OMS GCC PETITES IP67 easuring range 100 to 120 C Precision M 0 3 C to 25 C Eenic iP Olt CID Bos ecce erectis iere ise 002000900000 0000 N0 NHI 2 m 0 5 mm RGSDOIISG DIITIEEE277E 0772270020005181010 100110001001 0000010010000 n7 n2 1 second Transformador AKO 80077 INOW M A 115 230 V 50 60 Hz 24V 50 60 Hz Ea DIN rail C 1456H002 Ed 01 C 1456H002 Ed 01 C 1456H002 Ed 01 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 351456002 REV 00 2015
15. tic reset The regulation restarts when the deactivation value of the alarm is reached Manual reset In order for the regulation to restart it is necessary to press the PRG button twice Turn on value If this value is reached the regulation stops and the equipment displays a message on screen Turn on delay time Defines the delay time between when the turn on value is reached and the alarm activates Deactivation value Defines the value at which the alarm is no longer displayed and the machine returns to standard regulation if automatic reset has been set up Pressure Probe S2 The measuring range of the pressure probe set in the factory on the probe model provided AKO 15571 should only be changed if a different probe is installed It should only be configured by qualified staff P5H Maximum range of pressure probe PSL Lower range of pressure probe The P5a parameter allows you to vary the value read by the pressure probe offset It is used to compensate for reading errors when the probe can not be positioned in the correct place Temperature probe S1 The E5a parameter allows you to vary the value read by the temperature probe offset It is used to compensate for reading errors when the probe can not be positioned in the correct place If probe readings have continuous fluctuations a reading delay may be set as a filter in order to stabilise the reading This delay is configured using the FE parameter and affec
16. ts probes 1 and S2 Expansion valve You can customise the behaviour of the expansion valve using the following parameters mm n ur Using this parameter you may limit the opening speed of Er OFF R utr 10 096 the expansion valve UrH Urt They allow the maximum and lower opening 100 degrees of the expansion valve to be limited Cor This parameter allows a certain opening degree of the S expansion valve to be set While this option is active 0 s the opening will remain fixed unregulated and the i 10 sec LED will remain manually lit up page 6 C 1456H002 Ed 01 Initial parameters Using the n parameter all of the parameters can be reset to their default values For this to take effect select the parameter and enter the password using the and w keys Press SET to reset the controller to its factory parameters 6 Table of parameters The equipment s operation functions are divided into 3 different groups The Def column indicates the default parameters set in the factory Temperature values are expressed in C Equivalent temperature in F and the pressure values in bar equivalent pressure in psi Sacer cm T RN CLOUD EET RR TT RE T RR QNS eS NENNNNR TELCNR RIT L 1307 TA 5H Overheating set point K 0 5 10 or Initial opening for valve start up 0 50 Ts art Duration of initial start up opening Sec 0 5 300 Pro Proportional gain 0 1 3 99
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