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Installer manual EPK3BXP1CC

1. evo sas Tias pata eno voc 1 221 ono ses ise oara cno voc resistenza porta resistenza porta di terminazione RS 485 di terminazione RS 485 A porta RS 485 MODBUS A porta RS 485 MODBUS evco EVCD Every Control Group Every Control Group EVDRIVE03 resistenza di terminazione porta CAN porta CAN CANBUS EVDRIVEO3 T sistenza di terminazione porta CAN porta CAN CANBUS oon om a Candcan cno ono voc ow ori 21 enfe on eo voc Ki ES Es Se Sp 28 28 a 58 E EH cor nos am 5v evo on or Jeno an are eno a13 a amp B 58 4 a a e g 2 2 0 o 33 32 5 2 3352 5 2 2 elsa 8 e g SEIS El ge js 25l98 5 5 s GERE 3 5 P2 Ba Belge EE Saba Bow FRESE guelfa Sn En 5 BElS w 8595 Belge 5 BE 555 8589 al 25 2E 52 22 a2 82 EB 582 5222 al 2 EP salse SP Sg 8858 EP SISE g 8g Sgleg 8 amp E amp E roles Domo B5 sese Polo Pips rete rete elettrica elettrica pag 22 of 100 EVCO S p A 4 3 c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 Warnings for the electric connection
2. 5 4 A A C di 3 pu ol 2 cn omm 1 E o o e The following table describes the meaning of the device back parts PARTE SIGNIFICATO 1 micro switch for CAN CANBUS port line termination 2 CAN CANBUS port 3 power supply 4 LED signals 5 TTL port For additional information please refer to the following chapters pag 13 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 3 DIMENSION AND INSTALLATION 3 1 Dimension and installation of the main controller c pro 3 kilo CLOSE 3 1 1 Dimension of the main controller The following drawing shows the measurements of the main controller 4 DIN modules in mm in HA 135 0 5 314 LJ 60 0 2 362 71 0 2 795 3 1 2 Installation of the main controller The device is designed to be mounted on 35 0 x 7 5 mm 1 377 x 0 295 in or 35 0 x 15 0 mm 1 377 x 0 590 in DIN rail into a control panel To mount the device proceed as indicated in the following drawing To dismantle the device first remove the removable screw terminal blocks connected at the bottom then use a screwdriver to pull away the clip from the DIN rail as shown in the following drawing pag 14 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Co
3. O 26 7 mt 58 0 2 283 0 4 0 015 ag 92 0 3 622 30 3 e i193 107 0 4 212 I 128 0 5 039 3 3 2 Installation of the remote user interface Installation is by front or by back panel The following drawing shows how to install a remote user interface on the front panel with 0027000018 gasket and 0026700005 frontal plate included vits dispositivo gt El O o ga placca frontale pannello n LI p guarnizione pag 16 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 The following drawing shows how to install a remote user interface on the back panel threaded studs and 0043600013 overlay the latter is included _ vite dispositivo prigioniera a m n 4 H pannello LLLA g ZA E d za A O I biadesivo dado 3 4 Warnings for the installation make sure that the device work conditions temperature of use humidity etc lie within the limits indicated see chapter TECHNICAL DATA do not install the device near to any heat sources heating elements hot ai
4. For additional information please refer to the following chapters pag 20 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 4 2 Wiring example The following drawing shows an example of wiring diagram for direct expansion of bicircuit close control units or refrigerated water close control units with a bipolar stepper electronic expansion valves driver for each circuit EVDRIVE03 and modulating fans 24 VAC DC Teles sles 8 g TN ats s el e ess 2 2 3 2 rete rete goles sles 8 E sages HE Sles 8 3 8 5 Peto sim Bele 25 2 2 4449 Els E Est S 5 S E apad o tel E A g El 2 5 a o a a a E a El a 5 SE 53 03 S S Sos E 2 el m 2 g 5 2 g MEE el al El alSel S 8 8 8 5 S s 28h28 sir PIER la aja Salta el 8 8 85 3175 8
5. CS6 100 0 100 Override with probe error CS7 5 1 900 Min AutoSet point time CS8 20 0 50 Yo AutoSet point minimum request PARAM DEFAULT MIN MAX U M DRY COOLER REGULATION SETTING Dry cooler regulation 0 No DS1 0 0 2 Ses 1 Proportional 2 AutoSet point DS2 10 0 100 Yo Minimum fan speed DS3 100 0 100 Yo Maximum fan speed DS4 50 0 100 Start up fan speed DS5 10 0 999 S Fan start up time DS6 2 0 0 0 10 0 C F 1 Fan cut off DS7 100 0 100 Yo Override with probe error DS8 5 1 900 Min AutoSet point time DS9 20 0 50 Yo AutoSet point minimum speed PARAM DEFAULT MIN MAX U M WATER PUMP CONFIGURATION Water pump regulation type 0 No PS1 0 0 2 Ha 1 Unit ON 2 Cooling request PS2 60 0 999 S Pump switch off delay PARAM DEFAULT MIN MAX U M SET POINT LIMITS CONFIGURATION SLi 15 0 40 0 150 0 C F 1 Temperature set point minimum threshold SL2 40 0 40 0 150 0 C F 1 Temperature set point maximum threshold SL3 20 0 100 Rh Humidity set point minimum limit SL4 75 0 100 Rh Humidity set point maximum limit PARAM DEFAULT MIN MAX U M NEUTRAL ZONE CONFIGURATION pag 73 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 ZM1 0 2 0 0 10 0 C F 1 Temperature neutral zone ZM2 2 0 0 20 0 Humidity neutral zone PARAM DEFAULT MIN MAX U M LOCAL NETWORK CONFIGURATION LN1 17 1 17 EE Network address Network operati
6. CAN CANBUS USB Other characteristics clock alarm buzzer For additional models contact the EVCO distribution network pag 9 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 2 DESCRIPTION 2 1 Description of the main controller c pro 3 kilo CLOSE The following drawing shows the layout of the main controller The following table describes the meaning of the main controller parts PART MEANING 1 K6 and K7 digital outputs 2 K1 K5 digital outputs 3 K9 digital outputs 4 7 9 analogue inputs 6 9 digital inputs and 4 6 analogue outputs 5 1 6 analogue inputs 1 5 digital inputs and 1 3 analogue outputs 6 USB port 7 micro switch for RS 485 MODBUS slave port and CAN CANBUS port line termination 8 power supply RS 485 MODBUS slave port and CAN CANBUS port 9 RS 485 MODBUS master port 10 micro switch for RS 485 MODBUS master port line termination 11 LED signals 12 K8 digital output For additional information please refer to the following chapters pag 10 of 100 EVCO S p A 2 2 c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 Description of the bipolar stepper electronic expansion valves driver EVDRIVEO3 The following drawing shows the layout of the bipolar stepper electronic expansion valves driver 10 11 12 999 9e 13 9000090009 The following t
7. na nanana kB NN ARABE NANA NAN ANAN ER ER ener ER AR ete nae 62 CONTROL SOFTWARE PARAMETERS AND THEIR MODIFICATION I HH emen ee he eerie nennen 63 Access to password protected menus criniera 63 LOGIN password entibus iuste nnb RERO QE FE EDI AA NAKAKARAAN DR RE UREREREKURORESRAIS GAN TRE ET US E RET DROMA RATER OR RR TERRA REFERRE ER RAI 63 ACCESS TO REGULATION PARAMETER MENUS aranea a aa 63 Modifying the control parameters ie edidi terea vrac fors a rl debian PA DAA AA ps 63 Exiting the groups menus and Main MENU ira K kbk OR RAEERAEEREKERC HERE KERNRERKKEEERESERISQRKRRRURCRERE AR ARRIENDA 63 GONFIGURATION PARAMETERS LIST 2 55 y SOR etd aea eta da re NANANG ea YU eie ke TD WERE ROTE ER ea 64 Set poinE Manu set point modification uus cose lla o deor Ehe bx dre ERE Va ca Peed vie eben ther bue done ban eene n Eye Acad 64 User setup setting the operating program wees eo via Vea d V XR T OR RR acci ga ea a X ei 64 Manufacturer setup loop configuration of the components eene KN KN KN KN KN nennen KN KK nnne nnne nent KAKANAN 66 Advanced loop setup components configuration i 75 UNLISALARMS MANAGEMEN T vices RA N See a dove Pate cose awe ced quer e ne ee eu gu QU ERE ds eee 84 Signalling check and clearance of alarm conditions i 84 Alarm presence Signalling n d A a ei Lol Ena 84 Alarmicondition Check pi MH 84 Resetting ancala nm aa E E E E 84 DESCRIPTION OF UNIT S
8. Enable compressor inverter DX2 0 0 1 NDA 0 No 1 Yes Type of compressor rotation DX3 0 0 1 old 0 FIFO HS 1 LIFO HS Enable EVDRIVE DX4 0 0 1 0 No 1 Yes PARAM DEFAULT MIN MAX U M HEATING CONFIGURATION pag 71 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 Heating 0 No HE1 0 0 3 1 Stage heaters 2 Modulating coil 3 Water valve HE2 1 1 2 T Electric coil stages number Type of stage switch on HE3 1 0 1 fU 0 Linear 1 Stepped PARAM DEFAULT MIN MAX U M HUMIDITY REGULATION 100 0 100 9o Humidity production percentage Cooling and humidifying together 1 0 1 AER 0 No 1 Yes Dehumidification 1 0 1 ILS 0 No 1 Yes 100 0 100 Yo Minimum dehumidification request to trigger regulation 60 0 100 9o Minimum dehumidification limit Partial dehumidification 0 0 1 asso 0 No 1 Yes 4 0 0 1 20 0 C F 1 Dehumidification lock offset PARAM DEFAULT MIN MAX U M CONDENSATION REGULATION SETTING Condenser regulation 0 No CS1 0 0 2 XE 1 Proportional 2 AutoSet point CS2 10 0 100 Condensation minimum request CS3 100 0 100 Condensation maximum request CS4 50 0 100 Condensation start up request CS5 10 0 999 S Condensation start up time pag 72 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104
9. Operating mode EV3 0 0 1 T 0 SH algo 1 Manual EV4 0 0 100 Manual position Resynchronization request EV5 0 0 1 sia 0 No 1 Yes EV6 6 0 3 0 25 0 K SH set point EV7 3 0 1 0 3 0 K LoSH set point EV8 15 0 10 0 40 0 K HiSH set point pag 79 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 EV9 3 0 40 0 40 0 K LOP set point EV10 12 0 40 0 40 0 K MOP set point EV11 40 0 1 0 100 0 K PID proportional band EV12 120 0 999 sec PID integral time EV13 30 0 999 sec PID derivative time EV14 5 1 255 sec Stabilization time EV15 100 0 100 Stabilization position EV16 30 0 255 sec Start up time EV17 50 0 100 Start up position Evaporation pressure sensor type EV18 1 0 1 cone 0 2 4 20mA 1 2 0 5V EV19 0 0 1 0 870 0 bar Minimum evaporation pressure EV20 17 3 1 0 870 0 bar Maximum evaporation pressure EV21 0 0 5 0 5 0 bar Evaporation pressure offset Condensation pressure sensor type EV22 1 0 1 0 4 20mA 1 0 5V EV23 0 0 1 0 870 0 bar Minimum condensation pressure EV24 45 0 1 0 870 0 bar Maximum condensation pressure EV25 0 0 5 0 5 0 bar Condensation pressure offset EV26 0 0 10 0 10 0 C F 1 Suction temperature offset EV27 0 0 10 0 10 0 C F 1 Discharge temperature offset PARAM DEFAULT MIN MAX U M EXPANSION VALVE 2 Type of valve 1 Sporlan SER AA 2 Sporlan SERA EV29 4 1 28
10. parameter User set up Temperature regulation 60 s Derivation Time parameter User set up Temperature regulation 1 s 8 6 7 High or low temperature alarm With parameters High temperature alarm offset User set up Temperature regulation and Low temperature alarm offset User set up Temperature regulation it is possible to configure two alarm thresholds for temperature control Exceeding these thresholds will trigger the High regulation temperature alarm or the Low regulation temperature alarm to alert the operator to any problems High and low temperature alarm triggering is not a shutdown problem for the unit that will continue operating regularly With the Temperature and humidity alarms delay parameter Manufacturer Set up Alarms management configuration it is possible to delay alarm triggering Alarm triggering is defined by the following formulas Where Alu is the high temperature alarm Aly In gt Set Of f set Al is the low temperature alarm In is the controlled temperature value Set is the Temperature set point parameter Main menu Set point Aly n Set Offset Offset is the High temperature alarm offset parameter User set up Temperature regulation Offset is the Low temperature alarm offset parameter User set up Temperature regulation 8 6 8 Air temperature probes alarm management In the event the return temperature probe should be broken or
11. and DOWN v key to change the password digit To memorise the entered value simply press ENTER However should you not wish to save the parameter just press ESC 11 2 ACCESS TO REGULATION PARAMETER MENUS Select the MENU you wish to access with theUP and DOWN v keys and press ENTER to access the MENU The PARAMETERS MENUS are divided into several GROUPS whose name describes the function of the parameters it contains To access change of the PARAMETERS of each group just select the GROUP you wish to access with the UP A and DOWN C keys and press ENTER NED to access the GROUP 11 3 Modifying the control parameters Select the PARAMETER you wish to change with the UP and DOWN v keys To change the parameter press ENTER when it is selected the parameter starts blinking Use the UP and DOWN y key to change the parameter To memorise the entered value simply press ENTER lo y However should you not wish to save the parameter just press ESC 11 4 Exiting the groups menus and main menu It is possible to exit the GROUPS the MENUS and the MAIN MENU by pressing the ESC key pag 63 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 12 CONFIGURATION PARAMETERS LIST The following tables shows the meaning of the device s configuration parameters 12 1 Set point Menu set point modification PARAM DEFAU
12. 3 Sporlan SER B 4 Sporlan SER C 5 Sporlan SERD 6 2 Sporlan SERI F pag 80 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 7 2 Sporlan SERI G 8 Sporlan SERI J 9 Sporlan SERI K 10 2 Sporlan SERI L 11 2 Sporlan SEHI 175 12 Sporlan SEHI 400 13 2 Sporlan ESX 14 Sporlan EDEV B C unipolar 15 Sporlan reserved 16 Sporlan reserved 17 Sporlan SER 1 5 to 20 18 Sporlan SEI 30 19 Sporlan SEI 50 20 2 Sporlan SEH 100 21 Sporlan SEI 0 5 to 11 22 2 Alco EXM EXL 246 23 Alco EX4 TO 6 24 Alco EX7 25 Alco EX8 26 Danfoss ETS 12 5 25 50 27 Danfoss ETS 100 250 28 Danfoss ETS 400 Electric frequency EV30 0 0 1 Hz 0 50 1 60 Operating mode EV31 0 0 1 cone 0 SH algo 1 Manual EV32 0 0 100 Manual position Resynchronization request EV33 0 0 1 Te 0 No 1 Yes EV34 6 0 3 0 25 0 K SH set point EV35 3 0 1 0 3 0 K LoSH set point EV36 15 0 10 0 40 0 K HiSH set point EV37 3 0 40 0 40 0 K LOP set point EV38 12 0 40 0 40 0 K MOP set point EV39 40 0 1 0 100 0 K PID proportional band EV40 120 0 999 sec PID integral time EV41 30 0 999 sec PID derivative time pag 81 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 EV42 5 1 255 sec Stabilization time EV43 100 0 100 Yo Stabilization position EV44 30 0 255 sec S
13. Check the unit s operation status Restore The alarm will be automatically reset High humidity alarm Cause The humidity has exceeded the alarm limit Delay On start According to parameter In operation According to parameter AL33 Effect Warning only Solutions Check the unit s operation status Restore The alarm will be automatically reset Low humidity alarm Cause The humidity has exceeded the alarm limit Delay On start According to parameter In operation According to parameter AL34 Effect Warning only Solutions Check the unit s operation status Restore The alarm will be automatically reset pag 91 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 15 SUPERVISION THROUGH MODBUS RTU SLAVE PROTOCOL c pro 3 kilo CLOSE may be fitted as part of a supervisory and or BMS Building Management System that adopts the standard MODBUS RTU through a RS485 serial circuit board The serial communication protocol used has the following characteristics SERIAL COMMUNICATION PROTOCOL CHARACTERISTICS Protocol MODBUSR Slave RTU mode Communication Std RS485 Baud Rate Varies between 1200 and 38400 Baud Word Length 8 Parity Even Stop Bits 1 pag 92 of 100 EVCO S p A 16 16 1 c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 SURVEY DEVICE TROUBLESHOOTING The unit does not start Check the follo
14. Indicate total operating hours of condenser 2 7 9 INFO Information Within the INFO Information menu it is possible to display the unit s serial number and software version installed on the unit 8 UNIT USE 8 1 Language of the control software The regulation software lets you configure several languages With the Language parameter Language Menu it is possible to select one of the following languages 1 Italian 2 English 8 2 Key lock The regulation software lets you configure a key lock function which is automatically activated if the keypad is not touched for 120 s With the Enable Key Lock parameter Manufacturer Setup Key lock configuration it is possible to select one of the following types of key lock 1 No key lock is not active 2 Yes The keys will lock after inactivity 3 User Password he keys will lock after inactivity and the user password will be required to unlock the keypad When the keys are locked the display shows the relevant icon and it will be possible to Display components status by pressing the LEFT lt and RIGHT Display active alarms by pressing and holding the ALARM key lt When the keys are locked it will NOT be possible to Turn the unit on and off via the keypad Access the main menu Delete active alarms Delete active alarms To remove the key lock just press the UP and DOWN da v at the same time for a few seconds An un
15. With parameter MODBUS address User set up Supervision it is possible to set the unit s serial address for interfacing with the MODBUS network With parameter MODBUS Baudrate User set up Supervision it is possible to set the unit s communication speed for interfacing with the MODBUS network pag 57 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 8 23 Changing access passwords The parameter management menus are password protected These passwords may be changed according to the user s requirements If modified the original passwords will no longer be valid With parameter User password User set up Password it is possible to change the password to access the User menu With parameter Manufacturer password Manufacturer set up Password it is possible to change the password to access the Manufacturer menu 8 24 Clearing the alarm log and operating hours 8 24 1 Clearing the alarm log During unit maintenance operations it might be required to clear the alarm log stored in the c pro 3 kilo CLOSE With parameter Clear alarm log Log clearing Alarm log it is possible to deleted the stored alarms log Access to alarms log clearing is only possible with a Manufacturer log in 8 24 2 Clearing operating hours During unit maintenance operations it might be required to clear the operating hours of the main components stored in the c pro 3 kilo CLOSE With parameter Unit hours Log clearin
16. 10 5 Condenser regulation management with broken probe In order not to interrupt condenser regulation in the event of breakdown of the condensation pressure sensor it is possible to override the request at a pre set value With parameter Override with probe error Manufacturer Set up Condensation regulation configuration it is possible to configure the percentage at which the request will be overridden with Condensation pressure sensor alarm 8 10 6 Condenser alarm management In order to detect any issues to do with the condensers it is possible to configure a digital input as condenser alarm With the Configurable input 1 2 3 4 parameter Manufacturer Set up Digital input configuration it is possible to configure one of the four digital inputs in order to detect the condenser 1 or 2 alarm When configured the digital input opening will trigger the General condenser alarm 1 2 which will stop regulation of the condensers and compressors connected to them Depending on the setting of parameter Compressor alarms severity Manufacturer Set up Alarm management configuration triggering may also stop the unit 8 11 Evaporating unit regulation for connection to remote condensing unit 8 11 1 General information With the Machine type configuration parameter Manufacturer Set up Machine type configuration it is possible to configure the type of temperature regulation with direct expansion system for connection to remote c
17. 144CP3KCE104 Depending on the setting of parameter Compressor alarms severity Manufacturer Set up Alarm management configuration triggering the alarm may also stop the unit 8 12 Chilled water units regulation 8 12 1 General information With the Machine type configuration parameter Manufacturer Set up Machine type configuration it is possible to configure the type of temperature regulation with chilled water system Chilled water Chilled water units use a water system for temperature regulation The unit s cooling power is modulated by regulating a valve with 0 10 V control signal 8 12 2 Chilled water circuit management c pro 3 kilo CLOSE is able to manage a maximum of one water circuit with regulation via 0 10 V control signal The following pictures show the valve control diagram with Proportional temperature regulation Where A Temperature set point Main menu Set point B Proportional band User set up Temperature regulation c Valve Regulation Temperature neutral zone Manufacturer Set up Neutral zone configuration 8 12 3 Water circuit temperature detection Through installation of two temperature probes c pro 3 kilo CLOSE is able to detect the water circuit inlet and outlet water temperatures With parameter IN Free cooling water temperature Manufacturer set up Probe configuration it is possible to configure the water detection probe on water circuit inlet With parameter OUT wa
18. 2 10 6 10 7 10 7 1 10 8 11 11 1 11 1 1 11 2 11 3 11 4 12 12 1 12 2 12 3 12 4 13 13 1 13 1 1 13 1 2 13 1 3 14 15 16 16 1 16 2 16 3 16 4 16 5 16 6 c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 Configurable digital outputs Managements iius RENI PARITA Aap PAGA AE AB ANNA KPAG HOA hess EERURKERERUDLAEKERUDENERE E MERE RATS anes 56 Internal components alarms management aanak pA GANA ERE RR AA sedan Sae 57 Air filter alarm management iue sad uke AL Rad ene Fes rane el d vibus bars Vp eara PATABA MEC RES VER FEE kA 57 Water presence condensate drain pump alarm management NANANA NANANA sees sesesese sese EEEE 57 Smoke fire alarm Management 0 A OR RR COD ae ER del LEX X GR a RR AAA e 57 Non critical and critical generic alarm management emen KN AN nnnm ANAN nn nent nnne ANAN nn nn nnne nnne nnns 57 Probe calibration manage MeNi uri c RAR RAE TRAINER PARA RENA REA RARA RANES ERA ARRE KERNEL ERU ERE ERAT ORES 57 MODBUS RTU slave serial communication management emen nent nnne KK KK nn nnne nnne nnne nennen nn nnn 57 Changingiaccess PASSWONAS eR EN 58 Clearing the alarm log and operating hOUrs iii 58 Glearing the alarm logi eror dia SERE REA AB a 58 Clearing Operating hours EE 58 COMPONENT CONTROL MODBUS MASTER NETWORK baunan mH me meme emen he he hee hee ee ne ne hee ree ee nenne 59 General information sie iii Kina ERE REX TERR a PIU E
19. 2 2 28 H s Y N i resistenza di terminazione porta RS 485 e porta TTL L porta CAN I T 5 EE U lalelalalslalal2 a ka z 6 5 558 4 ov porta 4 lr porta Rs 485 USB E ER ERE ble b porta CAN CANBUS very Control Group pora gt 5 Vgraph O CAN CANBUS 1 porta RS 485 MODBUS PP master slave resistenza di terminazione porta CAN m 2 3 4 a t E olslelalglslslsislela z oN 5133 amp 3 2 lt 2 2 e s a o e g o t resistenza L di terminazione porta RS 485 A evco Every Control Group EN MN e gs E 9 5 8 c pro 3 kilo CLOSE ge SES 8 5 PE E ge 3 K8 Ko E 5 i 5 5 5 El E og 5 X M CX i cos nos nce cos nos nco K6 K7 Ki K2 K3 K4 K5 a 3 5 Nos no7 9 noz noz 9 uos nos nos 50 E rete rete elettrica si elettrica 2 M t Selge 5 SEJBE ceo si og SEDE al 8 s EINE 5 5 se 8 egles al 85 5 ES ES SELE Sese 8 8 Bo 5 CE rete rete elettrica elettrica pag 21 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 valvola di espansione elettronica valvola di espansione elettronica circuito 1 circuito 2 E E ai rete a EPS4B rete a EPS4B elettrica modulo di backup elettrica modulo di backup porta TTL MODBUS porta TTL MODBUS v parr stip v arr sHieLo so 14 so 13 so 24 s028
20. 8 3 1 8 3 2 8 3 3 8 4 8 5 8 5 1 8 5 2 8 5 3 8 5 4 8 5 5 8 5 6 8 5 7 8 6 8 6 1 8 6 2 8 6 3 8 6 4 8 6 5 8 6 6 8 6 7 8 6 8 8 7 8 7 1 8 7 2 8 8 8 8 1 8 8 2 8 8 3 8 8 4 8 8 5 8 8 6 8 8 7 8 8 8 8 8 9 8 8 10 8 8 11 8 8 12 8 8 13 8 8 14 8 8 15 8 9 8 9 1 8 9 2 8 9 3 8 9 4 8 9 5 8 9 6 8 9 7 8 9 8 8 9 9 8 9 10 c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 ORE Der Atti HOUSE NRO 31 UNO S noaa nke TON a ME E EET ET HE TEE 31 UNITUSE p E 31 Language Of the Control BOTEWETQ cioe eti rr ERERURIRE RE KABAN FERE REALI TEA RAE TORA ARRE ERRE 31 Key ro am 31 URIESSWIECH SO Mit s aste ues meris Tanan t e Re eq Dh RAR AG DAANAN ARI ONT TR er ME 31 OFF via remote and via supervisory BMS MODBUS SYSTEM ENE NENE NENE NENE ne NENE NE NANANA NENE NE NANANA senes eene 31 Automatic RE START due to power failure A RA 32 Power suppiy Tellure osse Tala E AG te IRR a d P Eu NGA La RETI 32 Motorised Shutters O aa Tn 32 A uere O 32 Fixed speed variable Tarso a A ARE ne 32 Regulation of modulating fans proportionally to the cooling or heating request sss eene 33 Adjustment of constant air flow variable speed fans nananana NENE NANANA NENE NE NENE NE NANANA memet te tenete metet 33 Constant pressure variable fans GONG tans AA eL EA TRO Y EDO in 34 SUNG Speed GMM het pi i int ili rt iL RI A E A EEE AI 34 Fan alarm management dela O 34 Air differentialipressu
21. ALARMS i pasabi pnag ei talia 84 SUPERVISION THROUGH MODBUS RTU SLAVE PROTOCOL a Hmmm mene ne hee mee ee ee he meminere 92 SURVEY DEVICE TROUBLESHOOTING wi etae noe ta oea ve Te Fe Ya yea gx va Tos Foe wa ei dea TN Gk a Rer era thecal YAO 93 The unit does not start KATAAS KUNAN MARRE PERSA PRU TARA GENERARNE GALA QU S RUF RR quM ES 93 Incorrect reading of input SIghels ui cod ro er vehe eer REO IO EUER b RR LK LG CURE GER ROO GR GNE VEO E RA Ra e c b gi 93 Questionable alarm signalling from digital input eene emememememememememetenetemetesesese serena 93 Failed closurg ef a digital QUEUE seco e viria vr OG EE DOOR AR UG A a Ar OQ E ORC UR AT SALA 93 Absence of analogue OUtputSs ee ee eee ees 93 The c pro 3 kilo CLOSE activates the watch dog function emn e ANAN ANAN ANAKAN ANAN nennt nn nnne nnne nnne 93 pag 6 of 100 EVCO S p A 16 7 16 8 16 9 17 17 1 17 1 1 17 2 17 2 1 17 3 17 3 1 17 4 17 4 1 17 5 17 5 1 17 6 17 6 1 17 7 17 7 1 17 8 17 8 1 17 9 17 9 1 17 10 17 10 1 c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 Serial connection with the supervisor bms does not work aa as asana na GAGA NANANA NANANA NANANA NANANA NANANA NANANA meses NANANA NAKA KAKA 93 Local network connection does not Work rei 94 MODBUS master connection does Not Work dalla GNG AA A NB 94 ACCESSORIES ia RO ROTAIA RIA R
22. INSTALLATION 14 3 1 Dimension and installation of the main controller c pro 3 kilo CLOSE eene 14 3 1 1 Dimension of the main controller GA GNG GARA AKNG BSA NAKAKA Ek eR REB IR RR RR BERE PER REESE ee REA DA 14 3 1 2 Installationzof the main controller ER 14 3 2 Dimension and installation of the bipolar stepper electronic expansion valves driver EVDRIVE03 sese 15 3 2 1 Dimension of the bipolar stepper electronic expansion valves driver sasa asana nanaman ARAB EB memes 15 3 2 2 Installation of the bipolar stepper electronic expansion valves driver eee eee eee eee nents NANANA NANANA Nanana nanan 15 3 3 Dimension and installation of the remote user interface Vgraph O aaa wa nanana anan mene memet ene enean 16 3 3 1 Dimension of the remote user interface iii 16 3 3 2 Installation of the remote user interface uk ANA buen ira BANG puba LM RRRRR RARI E IRE DAR bb ap SR CPP Ri pain 16 3 4 Warnings for the installation KAG np i cope o a e E t D E GER ER nuit edhe RUE ia CORR UR eL BAR a 17 4 WIRING soonest AIA P PRODR EMEN EU e EUR PI e EIER E E E dr URN ME ML D TEN ay devote n ve eet 18 4 1 1 0 CONFIGURATION ceci AG ER E RET ben e DURER SORIA KR C uisa PR ore RI a RB RI RATTO PAR NAG GE ADARNA 18 4 2 Wining e ample cedola ua A A a a E a a aaa aae 21 4 3 Warnings for the electric Connection eoo e eod ine bet in roe x e He ka M ue rebas eura Ma ei ati iii iii a a 2
23. The alarm is manually restored General water pump alarm Cause The water pump has an alarm Delay On start 10 s In operation 5 s AL37 Effect See previous chapters Solutions Check the condition of the water pump Restore The alarm is manually restored Condenser 1 2 general alarm Cause The external condenser has an alarm Delay Mise On start 10 s In operation 5 s 3635 Effect See previous chapters Solutions Check the condition of the external condenser Restore The alarm is manually restored Condensing unit generic alarm Cause The external condensing unit has an alarm Delay On start 10 s In operation 5 s AL42 Effect See previous chapters Solutions The external condensing unit has an alarm Restore The alarm is manually restored pag 89 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 Power supply failure alarm Cause The unit s power supply has failed Delay On start 5 s In operation 5 s AL43 Effect See previous chapters Solutions Check the unit s power supply line status Restore The alarm is manually restored CODE LAN ALARMS Local network communication alarm Cause The unit does not detect other units in local network Delay On start 30 s In operation 30 s papa Effect See previous chapters Solutions Check local network connection Check local ne
24. V cc analogue output signal presence The terminal is regularly inserted in its seat There are no breaks downstream of the terminal The c pro 3 kilo CLOSE activates the watch dog function Check the following 16 7 The power cables do not run near the main board microprocessors There are no sources of electromagnetic interference near the microprocessor or the data transmission cables Serial connection with the supervisor bms does not work Check the following Proper setting of the unit s serial address Proper setting of the unit s baud rate communication speed The type of serial cables used Correct serial cable connection based on the wiring diagram The power cables do not run near the main board microprocessors There are no sources of electromagnetic interference near the microprocessor or the data transmission cables pag 93 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 16 8 Local network connection does not work Check the following Proper setting of the unit s serial address Proper setting of the unit s baud rate communication speed The type of serial cables used The power cables do not run near the main board microprocessors There are no sources of electromagnetic interference near the microprocessor or the data transmission cables 16 9 MODBUS master connection does not work Check the following Correct serial cable connection based on the w
25. all components installed in the unit or controlled by it MAIN MENU It enables to access the software management MENUS The MENUS organize the parameters into categories for easier user interaction MENU The main menu contains various MENUS divided as follows Each MENU contains PARAMETERS GROUPS which can be viewed or edited OPEN MENUS they display alarms device operating hours time and date they enable the entry of temperature and humidity setpoints and the adjustment of the internal clock PASSWORD PROTECTED MENUS they enable the setting of the unit s regulation and configuration parameters GROUPS OF PARAMETERS The PARAMETERS are collected in specific GROUPS making it easier to access and edit them pag 26 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 5 6 Symbols and icons that can be shown on the display Various types of icons are used in the software pages The meaning of the icons is laid out in the table below Software Icons E a K Dampers opening Fans ON Cooling mode ON Modulating compressor ON Ca A Compressor 1 ON Compressore 2 ON 2 compressors ON Heating mode ON KA Fi Hd Modulating heater ON Modulating heater stage 1 ON Modulating heater stage 2 ON Modulating heater stage 1 2 ON e Fc d Humidifier ON De humidifier ON Free cooling ON Hybrid units primary sour
26. c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 13 UNIT ALARMS MANAGEMENT 13 1 Signalling check and clearance of alarm conditions 13 1 1 Alarm presence signalling The presence of one or more active alarms is signalled by Activation of the Buzzer incorporated in the user terminal Illumination of the RED LED on the front panel of the user terminal A Alarm presence icon AM is displayed in the program s main page If the alarm is CRITICAL and therefore blocks unit operation the GREEN LED by starts flashing 13 1 2 Alarm condition check Press and hold the ALARM lt key to display on the user terminal the message corresponding to the active alarm The Buzzer is shut off Use the ENTER key to scroll through all active alarm signals Press ESC to return to the main program page 13 1 3 Resetting an alarm While an alarm is displayed press ENTER for a few seconds to clear the displayed alarm Alarms whose causes have not been restored yet cannot be removed 14 DESCRIPTION OF UNIT S ALARMS The following table shows the meaning of the device s alarm codes CODE ALARMS THAT CAUSE THE UNIT SHUT OFF Flow alarm Cause Water flow insufficient the flow switch does not operate Delay On start According to parameter In operation According to parameter ANg Effect The intervention causes the unit to shut off All devices will be stopped without complying with opera
27. c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 ENTER Press it to edit a parameter and confirm the setting In the active alarms menu press it to scroll through the alarms press it and hold it to delete active alarms MENU If pressed and held it enables access to the Main menu page lt UP DOWN If pressed and held it enables to unlock the user terminal 5 4 User interface led signalling The user interface has LEDs with specific functions as indicated in the following table KEY NAME DESCRIPTION Operation LED Light is on if the unit is ON lt Green Light blinks if the unit is turned off remotely or due to a critical alarm or if the unit is in Stand by Local Network Light is off if the unit is OFF 5 5 Alarm LED Ked Light is on if an alarm is occurring and it has already been viewed Light blinks if a new alarm is occurring Light is off if no alarm is occurring Power supply LED h Orange Light is on if the device is powered Light is off if the device is not powered Local or remote user interface display The user terminal is fitted with a graphic LCD single colour display black with white LED back lighting of 128 x 64 pixel to view information on the units control software The information on unit control is arranged according to the following order 1 MAIN BRANCH It enables to rapidly access the units general status It displays the status of
28. circuit In hybrid units with secondary water circuit the following information will be displayed The controlled temperature and relevant set point The controlled humidity and relevant set point if humidity control is present The secondary circuit water valve opening percentage 6 10 Heating The heating status pages may show different views depending on the type of accessories the unit is fitted with Unit with modulating water valve The controlled temperature The controlled humidity if humidity control is present The heating circuit water valve opening percentage Unit with modulating electric coil The controlled temperature The controlled humidity if humidity control is present The heating electric coil regulation percentage Unit with electric stage heater The controlled temperature The controlled humidity if humidity control is present pag 29 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 Number of active stages 6 11 Humidification In units with humidification system the following information will be displayed The controlled humidity The humidifier operation percentage 6 12 Dry Cooler In units with dry cooler control system the following information will be displayed The unit s inlet water temperature The dry cooler regulation percentage 7 MAIN MENU 7 1 General information To access the MENU simply press and ho
29. count and the alarms log 7 5 RTC Clock Within the RTC Clock menu it is possible to change the current time and date 7 6 ALM Active alarms With the ALM Active alarms menu it is possible to display the active alarms on the unit Access to this menu is gained by pressing and holding the ALARM key lt 7 7 LOG Alarms log Within the LOG Alarms log menu it is possible to display the log of the unit s alarms The alarms will be stored in chronological order The page will display trigger date trigger time and duration of the alarm Press the ENTER to scroll alarms stored pag 30 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 7 8 ORE Operating hours Within the HOURS Operating hours menu it is possible to display the operating hours of the following unit components Unit hours of operation Indicate total unit operating hours Unit ON Compressor 1 Indicate total operating hours of compressor 1 Compressor 2 Indicate total operating hours of compressor 2 Water Valve Indicate total operating hours of the chilled water valve Electric heaters Indicate total operating hours of the electric coil Humidifier Indicate total operating hours of the humidifier Free Cooling Indicate total operating hours of the free cooling system Dry cooler Indicate total dry cooler operating hours Condenser 1 Indicate total operating hours of condenser 1 Condenser 2
30. disconnected c pro 3 kilo CLOSE will trigger the Broken return temperature probe alarm In the same way in the event the supply temperature probe should be broken or disconnected c pro 3 kilo CLOSE will trigger the Broken supply temperature probe alarm In order not to interrupt temperature regulation c pro 3 kilo CLOSE will use the working sensor as valid value In the event both probes should be broken temperature regulation will be stopped pag 38 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 8 7 Limit temperature regulation 8 7 1 Limit temperature With the Regulation sensor parameter User Set up Temperature regulation it is possible to configure which probe is designated to temperature control In the event the return temperature should be controlled limits for the supply temperature may be set in order to ensure the air let into the room is neither too hot or too cold 8 7 2 High and low limit temperature management With parameters Limit temperature upper limit User set up Limit temperature regulation and Limit temperature lower limit User set up Temperature regulation it is possible to configure two alarm thresholds for the limit temperature Exceeding these thresholds will trigger the High limit temperature alarm or the Low limit temperature alarm to alert the operator to any problems High and low limit temperature alarm triggering is not a shutdown problem for the unit t
31. do not use electric or pneumatic screwdrivers on the device terminal board if the device has been taken from a cold to hot place humidity could condense inside wait about 1 hour before powering it make sure that the power supply voltage the frequency and the operational electric power of the device correspond with those of the local power supply see chapter TECHNICAL DATA disconnect the device power supply before proceeding with any type of maintenance connect the device to a RS 485 MODBUS network using a twisted pair connect the device to a CAN network using a twisted pair position the power cables as far away as possible from the signal cables do not use the device as a safety device for repairs and information regarding the device contact the EVCO sales network pag 23 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 5 KEYS AND SIGNALLING 5 1 Main controller led signalling The main controller has LEDs with specific functions as indicated in the following table LED SIGNALLING NAME COLOR DESCRIPTION Power supply LED ON Green Light is on if the device is powered Light is off if the device is not powered Operation LED RUN Green e Light is on if the application software is running Light is off if the application software is not running System alarm LED Light is on if a system alarm resettable via application software is occurring Light blinks very slowly if
32. possible to configure the minimum operating request at which the condenser may be regulated With parameter Maximum condensation request Manufacturer set up Condensation regulation configuration it is possible to configure the maximum operating request at which the condenser may be regulated The following graph shows proportional regulation Where A Condensation set point User set up Condenser regulation B Condensation proportional band User set up Condenser regulation C Condenser regulation 8 10 3 Condenser regulation with AUTOSET POINT Low condensation temperature makes it possible to achieve compressor energy savings If condensation temperature regulation is tied to outdoor temperature e g Air or water condensers with dry cooler during the cold season it is possible to reduce the regulation set point in order to increase energy savings Through condenser regulation with AutoSet point it is possible with a suitable algorithm to achieve the best possible regulation set point for the condensers operating conditions For optimal AutoSet point system regulation it is recommended to set parameter Condensation set point User set up Condenser regulation at the minimum value at which one wishes the condensers to work e g 35 C The set point is regulated in the following manner LOW OUTDOORS TEMPERATURE CONDITIONS As long as outdoor air or water temperature is such that condensation temperatu
33. refer to Configurable Output 1 list DL3 Configurable output 3 logic 0 N O 1 N C DO4 11 Configurable output 4 e To choose the parameter value refer to Configurable Output 1 list DL4 Configurable output 4 logic 03 N O 1 N C DO5 Configurable output 5 To choose the parameter value refer to Configurable Output 1 list DL5 Configurable output 5 logic 03 N O 1 2 N C PARAM DEFAULT MIN MAX U M VENTILATION CONFIGURATION VE1 Number of fans VE2 Type of fans 0 On Off 1 Analogue 2 MODBUS EBM 3 MODBUS ZIEHL pag 70 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 Regulation type 0 Fixed speed VE3 1 0 3 1 Cooling heating regulation 2 Constant flow 3 Constant pressure VE4 100 10 100 Maximum fan speed VE5 40 10 100 Mminimum fan speed VE6 60 0 100 Start up fan speed VE7 0 0 9999 S Fan start up time VE8 72 0 1000 mass Air flow rate PARAM DEFAULT MIN MAX U M MACHINE TYPE CONFIGURATION Machine type 0 Direct expansion 1 Evaporator 2 Chilled water UC1 0 0 4 wie 3 Free cooling 4 Hybrid unit Primary Source Selection UC2 1 0 1 0 Direct expansion DX 1 Chilled water CW UC3 0 0 1 Secondary Source Selection PARAM DEFAULT MIN MAX U M DIRECT EXPANSION CONFIGURATION DX1 1 1 2 T Number of compressors
34. regulation adds to the Proportional error previous chapter the so called Integral Error which allows the controller to retain the memory of past Proportional error values This property gives PI regulation the ability to make the process as close as possible to the required point of reference The control output of the components is therefore regulated according to the following function pag 36 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 Where Out is the proportional error previous chapter Bp is the Proportional band parameter User set up Temperature regulation 100 Out Out Bo Ti fon SE Set dt Ti is the Integration Time parameter User set up p Temperature regulation In is the controlled temperature value Set is the Temperature set point parameter Main menu Set point Unlike Proportional regulation whose control output will be at 0 upon reaching the Set point in Proportional Integral regulation the control output will tend to be subject to Over regulation due to integral action Hence there may be Outpi values higher than 096 even when the controlled value is lower than the Set point Over regulation will tend to decrease over time until close to 096 The following graph shows the system s response to Proportional 4 Integral regulation in cooling The heating response will be the mirror opposite AC Where y A Temperature set
35. set up Dry cooler regulation configuration it is possible to configure the speed at which the dry cooler fans will be regulated during the start up period With the Fans start up time parameter Manufacturer Set up Dry cooler regulation configuration it is possible to configure the duration of the dry cooler fans regulation start up period This function is optimal to reach more quickly the work condition at the unit s start with no need to wait for the modulation period required for reaching the set point 8 14 5 Dry cooler fans cut off regulation To avoid issues with water temperature over regulation it is possible to set a cut off value for dry cooler fans regulation With the Fans cut off parameter Manufacturer Set up Dry cooler regulation configuration it is possible to configure a cut off temperature of the condensation fans When water temperature reaches the set point cut off fans regulation will be stopped 8 14 6 Dry cooler regulation management with broken water temperature probe In order not to interrupt dry cooler regulation in the event of breakdown of the IN water temperature probe it is possible to override the fans speed at a pre set value pag 51 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 With parameter Override with probe error Manufacturer Set up Dry cooler regulation configuration it is possible to configure the percentage at which the fans speed will be overri
36. siiis vno enne ca nokia X i RO T a a V ai i 52 Water p mp alarm mernsagemenb s naka na KAN inns C LO EIER ti a iia 52 Hybrid anite CSIRO I a ccna ha ogy ne exea dco enden eb e nodum usa redes Ve EL Exp A td abala vL UM NE na 52 General informationisntier cM 52 Water a RO 52 Direct expansion hybrid system regulation cie eese ct a eR IPLE LATA LS iii re 53 Secondary cooling source A a a ot EE Da E Aux Lai 53 Heating COMPONENTS regula OD cies oops PAN A AIRE FIAR Goede nn OKRA KIARA NAIS REDIERE BUR EFE REDIRET PARERI SRI 53 General IMFORMACION sexe ionica le il ie PLANG hab Gma Ba 53 Heating with stage electric HiBdterec iu s ali A ne 53 Heating with electrical or water modulating coilS aaa anakan NN AN AGA eene nnne nnnm KN KN nn KN nn nenne nene nnne nn AN KAKA KAKANAN 54 Electric heater alarms Management anna ANAN Kk EXER PURO X coe AE SARTRE UE ERE ERE RARUS RARA aioin AA E KR ed KAAGAD 54 Configurable digital Ipotecaria ROOF d Hate d kai dL KE t a REV OU E o eb ae e ANA 55 General informations eS 55 Configurable digital inputs managements inse A qo EVO E I ODE ERR TER E E Ea d OWN OR C eae EU A eon cae AA 55 Configurable digital outputs SEE ala opo o pa t ERU MA Ope E e Lope ER xa a aqu RI Ai ARI p UA AN 56 pag 5 of 100 EVCO S p A 8 19 2 8 20 8 20 1 8 20 2 8 20 3 8 20 4 8 21 8 22 8 23 8 24 8 24 1 8 24 2 9 9 1 9 2 9 2 1 10 10 1 10 2 10 3 10 4 10 4 1 10 4 2 10 4 3 10 4 4 10 5 10 5 1 10 5
37. used for calculation Suction pressure probe This probe detects pressure of the evaporation coil through which it is possible to calculate the evaporation temperature Suction temperature probe This probe detects compressor suction temperature The Superheating SH value is compared with the superheating set point 6 0 K and the valve opening percentage is calculated with a PID algorithm to maintain Superheating SH constant near the set point The EVDrive control module in addition to superheating regulation is also able to control some safety algorithms required to protect the compressor These algorithms will be explained in the following chapters 8 9 6 Condensation pressure and temperature detection Il valore di pressione e temperatura di condensazione indispensabile per il funzionamento del circuito frigorifero Tramite un sensore di pressione il microprocessore c pro 3 kilo CLOSE rileva costantemente il valore di pressione di condensazione e ne calcola il valore di temperatura equivalente pag 44 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 8 9 7 De superheating management aggiungere i parametri relativi alla funzione De superheat DSH refers to the difference between compressor drain temperature and compressor condensation temperature In a correctly operating unit the de superheat value should be between 20 0 K and 30 0 K c pro 3 kilo CLOSE constantly monitors the de superhea
38. 3 5 KEYS AND SIGNALLING ies 24 5 1 Mam controller led Sinaing no A AAA ARA AER RARA AAA RARAS ARA TRAE STIRIA pecans 24 5 2 aa oro e binate bielle praed e Hed alia iii LL alab alala ka M d i ag AGA PG Ba E E CALME 24 5 3 User interface keypad iere AA ee bx ve ires annie ge 25 5 4 Useirrinterface lad Sto A A PREDILETTI PAKANA RE EROR REAIS RA HE Eri AG 26 5 5 Local or remote user interface display uia A AGANG UNAG aa BALAAN AA de HR rn 26 5 6 Symbols and icons that can be shown on the display aasa 5K NENE eens esses eases 27 6 PRIMARY DISPLAY Ri paman eus ste ERA ERE a TION MM DL 28 6 1 Gene ral information meyers ica A e iii 28 6 2 Mali SOP SSM A M 28 6 3 Ventilationi t e E 28 6 4 Chilled Tun 28 6 5 Free COOlNG ES 28 6 6 Hybrid units with primary water circuit 29 6 7 Direct expansion 29 6 8 Condenser regulation 29 6 9 Hybrid units with secondary water circuit 29 6 10 Heating cpr lirica 439 6 11 H midificatior da RT 30 6 12 DEFECTO aa aa 30 7 AN a AA ia art 30 7 1 General information rrr NGANGA ANG NG PAS RANK KGG TA NBA ANAN 30 7 2 Gel SOL POINT calca alia E PO SR I CE eee Vb sen NG APA eRe Ree 30 7 3 Network CANBUS local network Status rire 30 7 4 PAR Regulation paramigbel aeo vore prb ea icr Vaca A E EVER TA RE HEX SR TANG AA 30 7 5 RTC CIO METER IMMER 30 7 6 AM res Ernte EE 30 7 7 O 30 pag 3 of 100 EVCO S p A 7 8 7 9 8 8 1 8 2 8 3
39. 5 protection rating when it is panel mounted 17 6 Double sided tape 0043600013 17 6 1 General information Using the double sided tape is possible to mount the remote user interface Vgraph O when it is back panel mounted installation is by back panel 17 7 Backup module 17 7 1 General information Using the module it is possible to close the valve in case of lack of power supply to the bipolar stepper electronic expansion valves driver EVDRIVE03 MORA Uu E pag 96 of 100 EVCO S p A 17 8 17 8 1 Using the connectors it is possible to wire the main controller c pro 3 kilo CLOSE CJAV18 and CJAV20 connecting kit General information 2t 17 9 17 9 1 CJAV23 connecting kit General information c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 Using the kit it is possible to wire the bipolar stepper electronic expansion valves driver EVDRIVE03 17 10 CJAV25 connecting kit 17 10 1 General information Using the kit it is possible to wire the backup module EPS4B pag 97 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 pag 98 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 c pro 3 CLOSE Control solution for close control units Installer manual ver 1 0 GA 18 15 Code 144CP3KCI104 This document is exclusive property of EVCO EVCO does not assume any liability regarding possible errors stat
40. AEE AURORA ATA PASCALE Ai ea 95 RS 485 USB EVIF20SUXI Serial interface 2 20 A ata AAA il 95 General informationttt ener A AR ened da E Mee e eti n TAR eM ER UU EUR EUM DR ae NG LA ADAN i 95 EVUSBA096M 4 GB USB flash drives NAAN AANGAT DA AR AN ii 95 General INFORMACION ERR 95 EVKE YVA O PEOR AA AA AA rdv iude 95 General A a a Nar a r A E E a A O A ONN 95 0026700005 Frontal plate ci e rior dao padane ERE Gan 96 General INFORMACION 23 a ANTENA ANAK e i 96 Gasket 0027000018 Descrizione della guarnizione con codice 0027000007 iii 96 General informoatioD siluri er rper mei txt ERNIA a hah nd Big PG a E eR DEP BAR MRS E ERR FEE AE REP OU 96 Double sided tape 0043600013 makaka ep ei ant ERRARE KO RR ERR ANE QR Gt kae CLEAR OR IO ae 96 General informationz durati ii demit rot lue iuc Maa A cM or M a MG bana cu DULA sed 96 Back MIS kt E Eo RIA RI E ER RI ered bier ene 96 General information siii ei ii ANG a la BAG BEA Rioni 96 GJIAVIB and GIAV20 conNNEeEtingikIt i a naanakan imbakan ape 97 erreur E 97 CIAVO Cone REO 97 General informatio RI B a 97 JAN EME Kb Naan Da m E Ehre EU e M ERO A TRI ABAKA BG e fest 97 General information pag 7 of 100 EVCO S p A 1 INTRODUCTION 1 1 Introduction c pro 3 CLOSE is a control solution for the management of direct expansion close control units with one circuit or two circuits with one compressor for e
41. CLOSE microprocessors use a MODBUS master network to control the devices installed in the unit The following devices are interfaced with the MODBUS master network EC air supply fans EVDrive electronic expansion valve control boards The MODBUS master control network is implemented during unit assembly in the production line see wiring diagram for additional details 9 2 MODBUS master network device routing The components connected to the MODBUS master network are routed in the testing stage in the factory In the event of replacement the components will be sent already configured for connection to the MODBUS master network Only fans will be sent not pre configured Fans routing configuration will take place through a self routing function The following table sets out the addresses of individual components that might be included in the MODBUS master network MODBUS MASTER NETWORK ROUTING DEVICE ADDRESS EVDrive compressor 1 2 EVDrive compressor 2 3 Fan 1 6 Fan 2 7 Fan 3 8 Fan 4 9 Fan 5 10 9 2 1 Fans self routing in case of replacement In the event of fans replacement the c pro 3 kilo CLOSE microprocessor features a check and self routing function of the MODBUS master network In the event of a communication alarm of one or more fans the c pro 3 kilo CLOSE microprocessor will start checking whether there are new fans in the network If the c pro 3 kilo CLOSE microprocessor finds a non configured
42. DBUS baudrate 0 1200 1 2400 2 4800 SU2 4 0 7 Baud 3 2 9600 4 19200 5 28800 6 38400 72 57600 PARAM DEFAULT MIN MAX U M PASSWORD UPW 1 0 9999 User password 12 3 Manufacturer setup loop configuration of the components PARAM DEFAULT MIN MAX U M PROBE CONFIGURATION Air differential pressure PRI 0 0 1 Lc 0 No 1 Yes Humidity PR2 0 0 1 SESS 0 No 1 Yes Return air temperature PR3 0 0 1 A dS 0 No 1 Yes pag 66 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 PRA Supply air temperature 0 No 1 Yes PR5 IN Free cooling temperature 0 No 1 Yes PR6 Compressor 1discharge temperature only if present on c pro 3 0 No 1 Yes PR7 Compressor 1 condensation pressure only if present on c pro 3 0 No 1 Yes PR8 Compressor 2discharge temperature only if present on c pro 3 0 No 1 Yes PR9 Compressor 2 condensation pressure only if present on c pro 3 0 No 1 Yes PARAM DEFAULT MIN MAX DIGITAL INPUT CONFIGURATION DI1 29 Configurable input 1 OzNo 1 Damper status 2 Dirty filters 3 Remote OFF 4 Flooding alarm 5 Smoke Fire 6 Water pump alarm 7 External humidifier alarm 8 Fans general alarm 9 Condenser 1 alarm 10 Condenser 2 alarm 11 Dry Cooler alarm 12 Condensing unit alarm 13 Electric heater general alarm 14 Water flow alarm 15 Cmp1 thermal alarm 16 Cmp2 the
43. EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 c pro 3 CLOSE 5 EVCO Control solutions for close control units E very Control Grour 2061 ESSE Set supplu tempera a User manual ENGLISH Code 144CP3KCE104 pag 1 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 Important Read this document thoroughly before installation and before use of the device and follow all recommendations keep this document with the device for future consultation Only use the device in the way described in this document do not use the same as a safety device Disposal The device must be disposed of in compliance with local standards regarding the collection of electric and electronic equipment pag 2 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 Index 1 INTRODUCTION GRANDE de dite eer eoe eer eere Aa 8 1 1 Int IA Aia pi E E AIRES RA T 8 1 2 Summary table of available models their main characteristics and purchase codes nanana nana nananananannn 9 2 DESCRIPTION ME 10 2 1 Description of the main controller c pro 3 kilo CLOSE eee nahen oa 10 2 2 Description of the bipolar stepper electronic expansion valves driver EVDRIVEO3 11 2 3 Description of the remote user interface Vgraph O 12 2 3 1 Description of the front part teenie 12 2 3 2 Description of the back part 13 3 DIMENSION AND
44. F Non critical generic alarm Alarm only Critical generic alarm Unit OFF STOP Cooling Cooling OFF STOP Heating Heating OFF STOP Humidification Humidification OFF STOP Dehumidification Dehumidification OFF STOP Heating and humidification Heating OFF and humidification OFF STOP Cooling heating and humidification Cooling heating and humidification OFF STOP Free cooling Free cooling OFF Free cooling override Free cooling ON Hybrid units 2nd Source override Hybrid units 2nd Source ON pag 55 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 8 19 Configurable digital outputs 8 19 1 General information c pro 3 kilo CLOSE is able to control up to four digital outputs freely configurable by the user With the Configurable output 1 2 3 4 parameter Manufacturer Set up Digital output configuration it is possible to configure one of the four digital outputs according to system requirements With parameter Configurable output logic 1 2 3 4 Manufacturer Set up Digital output configuration it is possible to configure the output operation logic choosing between N C Normally closed and N O Normally open 8 19 2 Configurable digital outputs management With parameter Configurable output 1 2 3 4 Manufacturer Set up Digital input configuration it is possible to configure one of the following types of control TYPES OF CONFIGURABLE DIGITAL OUT
45. LT MIN MAX U M SETPOINT SP1 22 0 SL1 SLI C F 1 Temperature set point SP2 50 SL3 SL4 Rh Humidity set point 12 2 User setup setting the operating program PARAM DEFAULT MIN MAX U M LANGUAGE LNG Italian bka aka O Italian 1 English PARAM DEFAULT MIN MAX U M VENTILATION SET POINT VS1 2 200 500 99000 m h Air flow rate set point VS2 20 900 900 Pa Air pressure set point PARAM DEFAULT MIN MAX U M TEMPERATURE REGULATION Regulation sensor TR1 0 0 1 eum 0 Return 1 Supply Regulation type 05 P TR2 0 0 2 sem 15 PI 2 PID TR3 2 0 0 1 60 C F 1 Proportional band TR4 0 0 9999 S Integration time TR5 0 0 9999 S Derivation type TR6 10 0 0 0 20 0 C F 1 High temperature alarm offset TR7 10 0 0 0 20 0 C F 1 Low temperature alarm offset PARAM DEFAULT MIN MAX U M LIMIT TEMPERATURE REGULATION ETT 30 0 15 0 90 0 C F 1 Temperature upper limit pag 64 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 LT2 8 0 15 0 90 0 C F 1 Temperature lower limit PARAM DEFAULT MIN MAX U M HUMIDITY REGULATION HR1 10 1 50 Rh Dehumidification proportional band HR2 10 1 50 Rh Humidification proportional band HR3 20 0 100 Rh High return humidity alarm offset HR4 20 0 100 9oRh Low return humidity alarm offset PARAM DEFAULT MIN
46. MAX U M HUMIDIFIER REGULATION Humidification enabling HM1 1 0 1 SUR 0 No 1 Yes PARAM DEFAULT MIN MAX U M FREE COOLING AND HYBRID UNITS REGULATION FC1 4 0 1 0 30 0 C F 1 Free cooling delta UI1 7 0 1 0 30 0 C F 1 Hybrid units water set point UI2 0 5 0 1 20 0 C F 1 Hybrid units water band Hybrid units source exchange UI3 0 0 1 NEM 0 No 1 Yes PARAM DEFAULT MIN MAX U M CONDENSER REGULATION CR1 45 0 30 0 65 0 9ec F 1 Condensation set point CR2 5 0 1 0 40 0 C F 1 Condensation proportional band CR3 1 0 0 1 50 0 C F 1 Condensation set point increase CR4 55 0 0 1 65 0 C F 1 Maximum condensation set point PARAM DEFAULT MIN MAX U M DRY COOLER REGULATION DC1 10 0 1 0 65 0 C F 1 Dry cooler set point DC2 5 0 0 5 20 0 C F 1 Dry cooler proportional band DC3 1 0 0 1 50 0 C F 1 Dry cooler set point increase DC4 50 0 0 1 65 0 C F 1 Maximum dry cooler set point pag 65 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 PARAM DEFAULT MIN MAX U M PROBE CALIBRATION PO1 0 0 10 0 10 0 C F 1 Return temperature PO2 0 0 10 0 10 0 C F 1 Supply temperature PO3 0 10 10 Rh Return humidity PO4 0 100 100 Pa Air differential pressure PO5 0 0 10 0 10 0 C F 1 IN Free cooling water temperature PARAM DEFAULT MIN MAX U M EXTERNAL SUPERVISOR SU1 1 1 254 sue MODBUS addres MO
47. PUTS Water pump control Condensing unit control Unit status signal Cooling status signal Heating status signal Humidification status signal Dehumidification status signal Free cooling status signal General alarm signal Non critical alarm signal Critical alarm signal Dirty filters alarm signal Cooling alarm signal Heating alarm signal Fans alarm signal Temperature alarm signal Humidity alarm signal Flooding Condensate drain alarm signal pag 56 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 8 20 Internal components alarms management 8 20 1 Air filter alarm management Il c pro 3 kilo CLOSE is able to control an air filter alarm to signal the presence of dirty filters Should a filter be dirty the suitable pressure sensor will act on the digital dirty filters alarm input c pro 3 kilo CLOSE will trigger the Clogged air filters alarm The air filters alarm does not stop normal unit operation 8 20 2 Water presence condensate drain pump alarm management Il c pro 3 kilo CLOSE is able to control a water presence alarm to signal the presence of water in the unit The water alarm is controlled by a detector fitted with water presence probe to be installed by the user If the condensate drain pump is present the pump alarm will be inserted in series to the water detector alarm Should water presence or a pump alarm b
48. RA paa ARENA N PERA i RS BER PEE SERRE DUET 59 MODBUS Master network device routing cile cuc ceux qp kr RO ERE LE e UR RR KC ia 59 Fans self routing in case of replacement sasa nana nn nn nr KN NN AN ANAN n ene eme emen e emet nnne ANAN nent nnne ANAN ANAN nn nt nnne nnn nnn nnns 59 UNIT CONTROL CANBUS NETWORK 22020 0o na nanana kakak mmm ee he he me mee ee he hehe ne ree ee he he rie ente eme mese ree eere 60 General informoation erento a Siani 60 Addressing unita the local nebwOrk uer kii pen A gu p AG c dE TE EEUU ED kan Duke quud RED AA 60 Local network TYPES aria ii AA BA O VERA E EE DER El pae 61 Local network regulation eese cie epo R Aet EAR MII NARA READER ERAN RARA E ERR GERM Fs KAKANAN 61 General IMFORMACION R 61 AUTOMATIC UNIT ROTATION c PE 61 Stand by unit activation in case of alarm sese 61 Management of the temperature regulation support system Switching on system with dynamic On Off General information a 62 Unit network entry 62 Dynamic set point System asc Ka a ne ord COUR KG Dt KG KG ka AA 62 Air temperature humidity and pressure average control sySstemM asana nananana NANANG NANG NA NENE NANANA NENENG meten nee 62 Exclusion from average calculatlort ase cer p Rs LEE EE EAS REPERITI AA TIRAR RRA RES PERA 62 Failed local network communication alarm management
49. RATE LOCAL NETWORK Baud rate 1 20K BR1 2 1 4 cu 2 2 50K 32 125K 4 500K PARAM DEFAULT MIN MAX U M UNIT OF MEASUREMENT Temperature unit of measurement MU1 0 0 1 ESSA 0 2 C 1 F pag 75 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 Gas pressure unit of measurement MU2 0 0 1 EIE 0 Bar 1 PSI PARAM DEFAULT MIN MAX U M TYPE OF PROBE Room temperature 0 PTC 1 NTC 2 NTC10K2 3 NTC10K3 4 PT100 PC1 1 0 4 Supply temperature 0 PTC 1 NTC 2 NTC10K2 3 NTC10K3 4 PT100 PC2 1 0 4 IN Water temperature 0 PTC 1 NTC 2 NTC10K2 3 NTC10K3 4 PT100 PC3 1 0 4 Room humidity 0 0 20mA PC7 1 0 3 a 1 4 20mA 2 0 5V 3 0 10V PC8 10 0 100 Rh Minimum room humidity PC9 90 0 100 Rh Maximum room humidity Air differential pressure 0 0 20mA PC13 2 0 3 xcu 12 4 20mA 2 0 5V 3 0 10V PC14 0 5000 5000 Pa Minimum air differential pressure PC15 5000 5000 5000 Pa Maximum air differential pressure PC16 0 5 0 20 00 Pa Minimum air differential pressure pag 76 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 PC17 4 5 0 20 00 Pa Maximum air differential pressure PARAM DEFAULT MIN MAX U M VENTILATION CONFIGURATION FA1 5 1 100 S Modulation speed FA2 100 100 900 m3 h Flow neutr
50. Superheat HiSH figure may indicate poor refrigerant charge which does not allow optimal regulation of the Superheat value SH The expansion valve control driver manages an algorithm to monitor high superheat In the event the superheat pressure figure should exceed the limit figure of 15 0 K high superheat status will be displayed on the controller 8 9 11 High compressor evaporation pressure management MOP Scroll compressors installed in the units entail the need to work at evaporation pressures that do not exceed the figures set by the manufacturer Exceeding the constructive limit may involve mechanical damage to the compressor In order to protect the compressor the expansion valve control driver manages an algorithm for high evaporation pressure regulation Maximum Operating Pressure MOP Should the evaporation pressure reading exceed the limit of 10 5 Barg 12 0 C the Superheat set point see previous chapters will be raised in order to reduce valve opening and consequently evaporation pressure After restoring an acceptable evaporation pressure figure the control algorithm will go back to regulating the valve normally 8 9 12 Low compressor evaporation pressure management LOP Scroll compressors installed in the units entail the need to work at evaporation pressures that do not exceed the figures set by the manufacturer Exceeding the constructive limit may involve mechanical damage to the compressor In order to protect
51. able describes the meaning of the driver parts PART MEANING 1 K1 digital output 2 Analogue inputs and free of voltage digital inputs 3 CAN CANBUS port 4 micro switch for CAN CANBUS port line termination 5 Display and keyboard not available in the blind version 6 reserved 7 Bipolar stepper engine output 8 TTL MODBUS port 9 power supply 10 RS 485 MODBUS slave port 11 micro switch for RS 485 MODBUS slave port line termination 12 LED signals 13 230 VAC digital input For additional information please refer to the following chapters pag 11 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 2 3 Description of the remote user interface Vgraph O 2 3 1 Description of the front part The following drawing shows the layout of the remote user interface front Ce JC CA MB 9 The following table describes the meaning of the device front parts PART MEANING 1 ESCAPE key 2 LEFT key 3 UP key 4 DOWN key 5 RIGHT key 6 ENTER key 7 display For additional information please refer to the following chapters pag 12 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 2 3 2 Description of the back part The following drawing shows the layout of the remote user interface back part
52. ach circuit or chilled water close control units It consists of a main controller c pro 3 kilo CLOSE available in blind version a bipolar stepper electronic expansion valves driver for each circuit EVDRIVE03 available with integrated user interface or in blind version a remote user interface Vgraph O The solution is able to manage both on off and variable speed compressors it is also able to manage both on off and modulating fans It has the secondary source the dry cooler and the free cooling management Installation of the main controller is on DIN rail into a control panel pag 8 of 100 c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 1 2 Summary table of available models their main characteristics and purchase codes The following table contains a description of the available models the main characteristics of the devices and the purchase codes Version available models c pro 3 kilo CLOSE EVDRIVE03 Vgraph O purchase codes 5 EPK3BXP1CC EPD4BC3 EPD4DF3 EPV4LBO blind built in LCD 128 x 64 pixel single colour LCD graphic display Connection removable spring terminal blocks removable screw terminal blocks Power supply 24 VAC VDC not isolated Communication ports TTL for programming RS 485 MODBUS master RS 485 MODBUS slave
53. actor XS11 110 0 0 0 200 0 C F 1 Discharge temperature protection threshold XS12 115 0 0 0 200 0 C F 1 Discharge temperature alarm threshold Condensation with compressor on XS13 1 Yes 0 1 masters 0 No 1 Yes XS14 30 0 25 0 100 0 C F 1 Condensation cut off set point XS15 2 0 0 0 10 0 Low compression alarm limit Enable pump down XS16 0 No 0 1 zc 0 No 1 Yes XS17 2 0 0 0 10 0 Barg Pump down end limit PARAM DEFAULT MIN MAX U M COMPRESSOR INVERTER IS1 0 0 100 Minimum speed IS2 100 0 100 Maximum speed 153 40 0 100 Start up speed IS4 20 0 200 rps Discharge temperature decrease PARAM DEFAULT MIN MAX U M EXPANSION VALVE 1 pag 78 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 Type of valve 1 Sporlan SER AA 2 Sporlan SER A 3 2 Sporlan SER B 4 Sporlan SER C 5 Sporlan SER D 6 Sporlan SERI F 7 2 Sporlan SERI G 8 Sporlan SERI J 9 Sporlan SERI K 10 Sporlan SERI L 11 2 Sporlan SEHI 175 12 Sporlan SEHI 400 13 Sporlan ESX EV1 4 1 28 T 14 Sporlan EDEV B C unipolar 15 Sporlan reserved 16 Sporlan reserved 17 Sporlan SER 1 5 to 20 18 Sporlan SEI 30 19 Sporlan SEI 50 20 2 Sporlan SEH 100 21 Sporlan SEI 0 5 to 11 22 Alco EXM EXL 246 23 Alco EX4 TO 6 24 Alco EX7 25 Alco EX8 26 Danfoss ETS 12 5 25 50 27 Danfoss ETS 100 250 28 Danfoss ETS 400 Electric frequency EV2 0 0 1 Hz 0 50 1 60
54. al zone FA3 2 1 100 Pa Pressure neutral zone FA4 1 1 5 T Number of MB fans with machine OFF alarm underway FA5 20 0 9999 S Supply fan ON delay from damper limit switch PARAM DEFAULT MIN MAX U M LIMIT TEMPERATURE LM1 0 2 20 0 20 0 C F 1 Supply temperature differential PARAM DEFAULT MIN MAX U M FREE COOLING REGULATION SFi 60 0 9999 S Compressor switch on delay in support to FC SF2 20 0 9999 S FC override switch off time after compressors switch off PARAM DEFAULT MIN MAX U M CHILLED WATER WS1 0 0 100 Valve minimun opening WS2 100 0 100 Valve maximum opening PARAM DEFAULT MIN MAX U M HEATING HS1 0 0 100 9o Minimum heating HS2 100 0 100 Yo Maximum heating HS3 5 0 99 S Stages activation delay PARAM DEFAULT MIN MAX U M DIRECT EXPANSION Type of refrigerant 1 R22 2 R134a XS1 5 1 6 dea 3 R404A 4 R407C 5 R410A 6 R507 pag 77 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 Low pressure presence XS2 0 0 1 irta 0 No 1 Yes XS3 4 0 0 0 10 0 Barg Low pressure set point XS4 0 5 0 0 10 0 Barg Low pressure differential XS5 5 0 9999 S Minimum switch on time between one compressor and another XS6 180 0 9999 S Minimun time of compressor OFF XS7 180 0 9999 S Minimun time of compressor ON XS8 4 0 9999 H Compressor hours maximum difference XS9 1 0 50 Bu Hours rotation factor XS10 1 0 50 sine Switch on f
55. ameter Dehumidification trigger threshold Manufacturer set up Humidity regulation configuration With parameter Minimum dehumidification limit Manufacturer set up Humidity regulation configuration it will be possible to limit regulation to prevent the request from being too low and therefore dehumidification effect not being sufficient This is because the dehumidification effect is only possible with a very low air temperature therefore with very high cooling request The following graph shows proportional regulation with and without neutral zone A Humidity set point Main menu Set point B Dehumidification proportional band User set up Humidity regulation a c Dehumidification trigger threshold Manufacturer set up Humidity regulation configuration E D Minimum dehumidification limit Manufacturer set up Humidity regulation configuration Cooling regulation Humidity neutral zone Manufacturer Set up OA P Rh B Neutral zone configuration pag 40 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 8 8 5 Partial dehumidification With the Partial dehumidification parameter Manufacturer Set up Humidity regulation configuration it is possible to inhibit activation of the second compressors in dehumidification operation This function is ideal in systems whose ambient thermal load and any unit heating triggering is not enough to offset activation of both co
56. an access in the external flash memory is occurring Red Light blinks slowly if an automatically resettable system alarm is occurring Light blinks quickly if a manually resettable system alarm is occurring Light is off if no system alarm is occurring CANbus communication LED Light is on if the CANbus communication has not been established CAN Red Light blinks slowly if the CANbus communication is affected by errors Light blinks quickly if the CANbus communication is correctly established Light is off if no CANbus communication is established L1 Not used 5 2 Driver led signalling The driver has LEDs with specific functions as indicated in the following table LED SIGNALLING NAME COLOR DESCRIPTION Power supply LED ON Green Light is on if the device is powered Light is off if the device is not powered Stepper motor output LED Light is on if the valve closes completely STEP 1 Green e Light blinks slowly if the valve opens completely Light blinks quickly if the valve is moving Light is off if the valve is not moving pag 24 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 LED SIGNALLING NAME COLOR DESCRIPTION Operation LED STEP 2 Green Light is on if superheating control is running Light is off if superheating control is running Alarm LED Light is on if an alarm is occurring If light blinks slowly device operation must b
57. ature tends to fall below the changed set point In this case a timer will start as soon as the condensation temperature is outside of the regulation range As soon as parameter AutoSet point time is exceeded Manufacturer set up Condensers regulation configuration parameter Condensation Set point increase User set up Condensers regulation will be subtracted from the modified set point The set point will decrease until the temperature falls within the regulation range or until it reaches the parameter Condensation set point User setup Condensers regulation 8 10 4 Start up request management In order to improve condenser regulation it is possible to configure a start up period During the set start up period regulation will be overridden at start up request At the end of the start up time regulation will go back to normal proportional operation With parameter Condensation start up request Manufacturer set up Condensation regulation configuration it is possible to configure the request at which the condenser will be regulated during the start up period With the Condensation start up time parameter Manufacturer Set up Condensation regulation configuration it is possible to configure the duration of the condensation regulation start up period This function is optimal to reach more quickly the work condition at the unit s start with no need to wait for the modulation period required for reaching the set point 8
58. be in alarm Upon restoring the unit s normal operative conditions it will automatically be included again in average calculation 10 8 Failed local network communication alarm management The units constantly monitor the local network communication status Should there be a problem and communication should remain down for longer than 30 s c pro 3 kilo CLOSE will trigger the Local network communication alarm In the event of alarm the unit will continue operating regularly as if it were in stand alone without interrupting component regulation at all When connection is restored the alarm is automatically reset and the unit starts regulating again according to the type of local network pag 62 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 11 CONTROL SOFTWARE PARAMETERS AND THEIR MODIFICATION 11 1 Access to password protected menus To access the parameters for the PROTECTED MENUS it is necessary to enter in the PARAMETERS MENU the correct LOGIN password USER PARAMETERS Default password 0123 Modifiable MANUFACTURER PARAMETERS Default password 0694 Modifiable 11 1 1 Login password entry Select the LOGIN MENU with the UP and DOWN v keys and press ENTER to access the menu It is possible to select individual digits of the password with theUP and DOWN v keys To change the digit press ENTER when it is selected the digit starts blinking Use the UP
59. cation operation Humidification is regulated with the proportional system Proportional humidification regulation offers a modulation effect of the amount of steam produced by the humidification system For maximum and minimum limits please refer to the humidifier features pag 41 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 The control output of the components is therefore regulated according to the following function Where Bp is the Proportional humidification band 1 00 parameter User set up Humidity regulation Out In Set In is the controlled humidity value Bp Set is the Humidity set point parameter Main menu Set point The following graph shows proportional regulation with and without neutral zone Yo 100 A Humidity set point Main menu Set point B Humidificationproportionalband Usersetup Humidity regulation Bor Henn c Humidification regulation D Humidity neutral zone Manufacturer Set up Neutral zone configuration 100 gt Rh 8 8 11 Manual humidifier water drain In order to carry out routine humidifier maintenance it might be required to force emptying water from the cylinder With the Manual drain parameter User Set up Humidifier regulation it is possible to manually drain water from the steam cylinder to remove it for maintenance 8 8 12 Lines and humidifier cylinder pre washing management The pre was
60. ce ON t A Hybrid units secondary source ON Alarm ON Keylock ON pag 27 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 6 PRIMARY DISPLAY 6 1 General information This group of pages represents the control software primary display The pages may be accessed simply by pressing the LEFT lt and RIGHT keys The parameters concerning the non installed components will not be displayed it is therefore possible that some pages cannot be displayed 6 2 Main screen This page represents the primary software display The following can be displayed within this page The set time and date The return temperature if present The supply temperature if present The humidity if present The status of the unit The presence of an active alarm The icons of the main active components see previous chapter 6 3 Ventilation The ventilation status pages show different views depending on which type of regulation has been set If fixed speed regulation is active the status of each fan in the unit will be displayed The fan s speed in percentage Number of active fans If a regulation in proportion to cooling or heating control is active the following will be displayed in addition to the status of each fan in the unit The controlled temperature The controlled humidity if humidity control is present The fan s speed in percentage N
61. d c pro 3 kilo CLOSE will resume the operation mode prior to the problem Resuming previous operation will only be possible if upon restarting the unit has no shut down alarms that prevent switching back on 8 3 3 Power supply failure alarm With parameter Power supply failure alarm Manufacturer s set up Alarms management configuration it is possible to enable an alarm to alert the user that c pro 3 kilo CLOSE has undergone a restart due to a power outage The parameter makes it possible to choose the alarm triggering type 1 Disabled No alarm is generated in the event of restart due to power failure 2 Enabled The alarm will ALWAYS be generated at the next c pro 3 kilo CLOSE restart 3 Unit ON The alarm will be generated at the next c pro 3 kilo CLOSE restart only if the unit was operating Unit ON If the unit was off Unit OFF no alarm will be generated When it is configured c pro 3 kilo CLOSE restart following a power failure will generate the Power supply failure alarm to alert the user to the problem 8 4 Motorised shutters control The regulation software is able to control motorised shutters whose function is to isolate the unit from the environment when it is off Upon switching on Unit ON c pro 3 kilo CLOSE will start opening the shutters When the digital shutter status input ID2 is OPEN Shutter open the fans will be started With parameter Shutter status alarm delay Manufacturer s set up A
62. dden with Broken IN Free cooling water temperature probe alarm 8 14 7 Dry cooler alarms management In order to detect any issues to do with the dry coolers it is possible to configure a digital input as general dry cooler alarm With the Configurable input 1 2 3 4 parameter Manufacturer Set up Digital input configuration it is possible to configure one of the four digital inputs in order to detect the general dry cooler alarm When configured digital input opening will trigger the General dry cooler alarm which will stop dry cooler regulation Al fine di rilevare eventuali problematiche legate ai dry cooler possibile configurare un ingresso digitale come allarme generale dry cooler 8 15 Water pump management 8 15 1 General information c pro 3 kilo CLOSE is able to control activation of a water circulation pump feeding the unit s circuits 8 15 2 Water pump management configuration With parameter Pump regulation type Manufacturer set up Water pump configuration it is possible to configure the type of pump activation The following types of regulation can be selected 1 No There is no type of water pump regulation in the unit hence it will be disabled 2 Unit ON The pump will be activated at the same time as the unit s ON 3 Cooling request The pump will be activated only in case of cooling request With the Configurable output 1 2 3 4 parameter Manufacturer Set up Digital output configuration it i
63. de 144CP3KCE104 To install back the main controller first pull down the clip from the DIN rail 3 2 Dimension and installation of the bipolar stepper electronic expansion valves driver EVDRIVE03 3 2 1 Dimension of the bipolar stepper electronic expansion valves driver The following drawing shows the measurements of the bipolar stepper electronic expansion valves driver 4 DIN modules in mm in oo 000000 9669 00 a cc o n l o QSCOVOODODO pal 99 eee 89 LL J oo pagagaaaaad 60 0 2 362 gt 71 0 2 795 3 2 2 Installation of the bipolar stepper electronic expansion valves driver Operate as indicated for the main controller pag 15 of 100 c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 EVCO S p A 3 3 Dimension and installation of the remote user interface Vgraph O 3 3 1 Dimension of the remote user interface The following drawing shows the measurements of the remote user interface in mm in A 30 0 1 181 70 0 2 755 H aQ 71 5 2 814 la 104 0 4 094 ut 82 5 3 248 e 94 5 3 720
64. e detected c pro 3 kilo CLOSE will trigger the Water presence Condensate drain pump alarm Depending on the setting of parameter Water presence alarms severity Manufacturer Set up Alarm management configuration triggering the alarm may also stop the unit 8 20 3 Smoke fire alarm management Il c pro 3 kilo CLOSE is able to control a smoke or fire presence alarm to switch off the unit With the Configurable input 1 2 3 4 parameter Manufacturer Set up Digital input configuration it is possible to configure one of the four digital inputs to control the smoke fire alarm By acting on the alarm digital input c pro 3 kilo CLOSE will trigger the Smoke fire presence alarm which stops normal unit operation According to the setting of parameter Smoke fire alarm reset type Manufacturer set up Alarms management configuration it is possible to select the type of alarm reset choosing between Manual or Automatic 8 20 4 Non critical and critical generic alarm management Il c pro 3 kilo CLOSE is able to control a generic non critical or critical alarm which may be intended for the user for different purposes With the Configurable input 1 2 3 4 parameter Manufacturer Set up Digital input configuration it is possible to configure one of the four digital inputs to control the generic non critical or critical alarm By acting on the digital alarm input c pro 3 kilo CLOSE will trigger the Non critical generic alarm or
65. e disabled enabled to allow the Red configuration change to become effective If light blinks slowly device power supply must be turned off on to allow the configuration change to become effective Light is off if no alarm is occurring Communication LED Light is on if communication is in alarm mode and the device is locked Light blinks slowly if communication is affected by errors COM Green Light blinks quickly if communication is in alarm mode and the device operates in stand alone mode Light is off if communication is correct 5 3 User interface keypad The user interface has KEYs with specific functions as indicated in the following table KEY NAME DESCRIPTION ESC If pressed it enables exit from the menus and parameter editing esc ON OFF If pressed and held it turns the unit on and off a LEFT Press it to scroll the unit s status pages to the left ALARM If pressed and held it enables access to the active alarms menu P Press it to scroll up through the pages associated with a specific group if the cursor is in a setting field it enables the user to increase the value D WN Press it to scroll down through the pages associated with a specific group if the cursor is in a setting field it enables the user to decrease the value gt RIGHT Press it to scroll the unit s status pages to the right HOME Press and hold it to go back to the Home page pag 25 of 100 EVCO S p A
66. e first to switch off The first compressor to be switched on is defined with HS logic Hours and Start up HS logic takes into account both operating hours and the number of start ups of the compressors The compressor with the lowest number of operating hours startups will be started first pag 43 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 e LIFO HS LIFO Last In First Out rotation ensures the last compressor to switch on is always the first to switch off The first compressor to be switched on is defined with HS logic Hours and Start up HS logic takes into account both operating hours and the number of start ups of the compressors The compressor with the lowest number of operating hours startups will be started first 8 9 4 Compressor management with inverter regulation With the Enable compressor inverter parameter Manufacturer Set up Direct expansion configuration it is possible to configure the regulation type of inverter compressors Two different types of regulation can be set 1 No There is no type of compressor regulation in the unit hence it will be disabled 2 Yes The unit or system features an external inverter not integrated with the controller Inverter interfacing will take place with 0 10 V analogue signal The inverter compressor will always be installed on Circuit 1 therefore in case of regulation with 2 compressors rotation will be disabled The following pic
67. e the function should no longer be valid the unit will only operate in direct expansion See the previous chapters for further information 8 13 3 Forzatura sistema free cooling In order for the free cooling system to always be active it is possible to set a digital input as free cooling system overriding input With the Configurable input 1 2 3 4 parameter Manufacturer Set up Digital input configuration it is possible to configure one of the four digital inputs in order to override free cooling operation both always on and always off 8 13 4 Free cooling temperature probe alarm management In the event the free cooling temperature probe should be broken or disconnected c pro 3 kilo CLOSE will trigger the Broken IN Free cooling temperature probe alarm This alarm stops free cooling operation and activates the cooling circuit components 8 14 Dry cooler regulation 8 14 1 General information In units with water circuit and especially in units with free cooling system it is possible to have speed regulation for a dry cooler fans liquid cooler to supply water to the unit With parameter IN Free cooling water temperature Manufacturer set up Probe configuration it is possible to configure the water detection probe on water circuit inlet With parameter Dry cooler regulation Manufacturer set up Dry cooler regulation configuration it is possible to configure the type of regulation of the dry coolers connected to the
68. eT E LIE a 41 Den Midi ii A 41 A AS AN NA PAKANA BANANA PIRATA RAR UR AKA RES ARIA RATA bacon EURDRERAK IRR AA RDRCHARA EROR EE PERERKIE FG ERR A AALALA 41 Humidification production percentage aNG ak OUR FR RR AR arr alal 41 Steam production Urt COO aeneo Poe etas ER e faye teta Denn diste eta ee Lion MNT AE uas eo Rd tta sie ken da pea De n Aad RE ae BALAG 41 H midification proportional regulation cicale ER ER ER E ee a pa a XR cu Via ee Pc RA OY 41 Manual humidifier Water drain eet et oet ANAN ca taa 42 Lines and humidifier cylinder pre washing management anan kn kB EB AN ERE NARE N ERE N ANAN ER ER AN EE EN ER ER ne 42 High and low h midityalarmS coca eere eee e uae aie eee REA RA ER E cR RE VE AKN HM RR ER e Pl e VEO OR VR ORE TELE REA TE 42 Air humidity probes alarm Mane MENE asu rea kaa pk AALANGAN ARIS PAP RARI IX EA ROGO ER AE IER A TCU Takes bate 43 Humidifier alarm Management solaio EX REA SERERE SR anda TOUR RI RANG nd GNG aU e i 43 Direct expansion unit regulation ic ee koe ai Decr ts qe Er enr EP Qe 43 General informoation iret er etit LIA On KIRAN Kh ADR a E E ND ABA BG BAN NGA mGA NAE DUE 43 Management of ON OFF cOImpresSOE cca na aka cent na nn GAPANG Gear GA AG UR EA aU bia 43 ON OFE Compressor SUELO MANE roteblon ui cue cutis ang ana a a a nap a AG aNG 43 Compressor management with inverter regulation esee nennen eee esses eee 44 Superheating regulation with electronic expansion valve only i
69. ed The customer manufacturer installer or final user assumes all liability regarding configuration of the device EVCO does not take any responsibility for damages coming by the non observance of additional information EVCO reserves the right to make any change without prejudice the basic safety and operating features pag 99 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 A EVCO Every ControlGroupf EVCO S p A Via Feltre 81 32036 Sedico Belluno ITALIA Phone 0437 8422 Fax 0437 83648 info evco it www evco it pag 100 of 100
70. ed parameter Manufacturer Setup Ventilation configuration it is possible to configure the maximum operation speed at which the fan may regulate This type of regulation is optimal to assure constant flow rate even in the event of variable system load losses e g dirty filters which might reduce it considerably 8 5 4 Constant pressure variable fans control With the Type of regulation parameter Manufacturer Set up Ventilation configuration it is possible to configure fan regulation so as to modulate the speed according to ambient pressure in order to keep it constant with respect to parameter Air pressure set point User set up Ventilation set point In order to calculate air pressure the unit requires a pressure sensor installed inside the machine With the Differential air pressure parameter Manufacturer Setup Probe configuration it is possible to configure the air differential pressure sensor presence Fan speed will be increased or decreased in order to reach the set point A 2 Pa neutral zone makes it possible to stabilise fan speed With the Minimum fan speed parameter Manufacturer Setup Ventilation configuration it is possible to configure the minimum operation speed at which the fan may regulate With the Maximum fan speed parameter Manufacturer Setup Ventilation configuration it is possible to configure the maximum operation speed at which the fan may regulate This regulation is ideal for rooms
71. er Gnits regulation ann iran a illa iaia a io 49 General information rero nodes est aa BANG EEA Ria e re TRAE ERRORE PANATA BANG BU 49 Chilled water circuit management roulette 49 Water circuit temperature detection A dant AR ELA EATER Pa ca ak a Rn 49 WATER TEMPERATURE PROBES ALARMS MANAGEMENT Free cooling unit control General information 49 Free cooling system control Forzatura sistema free cooling Free cooling temperature probe alarm management sana nana ka nG GN GN nr nr KN ANAN ANAN ASARAN KN KN KN rr rr 50 aa AA 50 General information eicere Bia TRAE re xe heise i eo OR Aere Wa ARNAN an RB PE a SED MEE SAP AGA 50 Dry cooler proportional regulation recede ee a e E Rn Diac UR ok Ee bl RA Rd E KO D RR A NR UR OUR o Ie OR Ke A A i Ri 50 Dry cooler regulation with autoset point Sa asistencia a a lella iui 51 Start up request MANTIENE 51 Dry cooler fans cut off regula lOEL e a ke eR PURO REEROL RE RANA NGABA NA AI ALE R A aus casas ORDER AURA NERA PAKANA GE nannies PAKA NAGA FERAIS ir 51 Dry cooler regulation management with broken water temperature probe meme enne 51 Dry cooler alarms management za veto rex Pre feug ver DAGANG NA KALBO C b x d verb Ln dirai 52 Water pump management cues a desea dec eue RARE Bs kaa mng ka LABA RB Baa MAR RENTUR ER 52 terminari MI tata aaa ae iii 52 Water pump management configuration A air 52 Water pump switch off delay Management wis
72. erating units exceed the proportional band limit the Stand by units will be Switched on in sequence so the temperature goes back to the set point Switching on will occur after the set switch on time Should there be several Stand by units the unit with the least number of operating hours will be switched on Should the units have the same number of operating hours the unit with the lowest network address will be switched on The switched on units will regulate the temperature according to their settings regardless of the operating units that have required Switching on In order to improve regulation it is possible to use the operation described in the following chapters Upon reaching the set point the units will be stopped and go back to Stand by pag 61 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 10 5 Switching on system with dynamic On Off 10 5 1 General information All units in local network may be switched on or off individually as is the case with stand alone units In order to reduce switching on times of the entire local network it is possible to choose whether to switch on or off all the units simultaneously With parameter Dynamic On Off Manufacturer set up Local network configuration it is possible to enable simultaneous switching on and off of all networked units The Dynamic On Off function is especially suited for local Duty Stand by networks to prevent any errors in switching on stand by
73. erefore it will need to be reset to clear the alarm pag 54 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 8 18 Configurable digital inputs 8 18 1 General information c pro 3 kilo CLOSE is able to control up to four digital inputs freely configurable by the user With the Configurable input 1 2 3 4 parameter Manufacturer Set up Digital input configuration it is possible to configure one of the four digital inputs according to system requirements With parameter Configurable input logic 1 2 3 4 Manufacturer Set up Digital input configuration it is possible to configure the input wiring logic choosing between N C Normally closed and N O Normally open 8 18 2 Configurable digital inputs management With parameter Configurable input 1 2 3 4 Manufacturer Set up Digital input configuration it is possible to configure one of the following types of control TYPES OF CONFIGURABLE DIGITAL INPUTS CONTROL SOFTWARE REACTION Fire Smoke Alarm Unit OFF General water pump alarm Pump and cooling OFF External humidifier general alarm Humidification OFF General supply fans alarm Unit OFF Condenser 1 general alarm Condenser 1 OFF and compressor 1 OFF Condenser 2 general alarm Condenser 2 OFF and compressor 2 OFF Dry cooler general alarm Dry cooler OFF and cooling OFF Condensing unit generic alarm Cooling OF
74. etection probe connection Check for water on the water detection probe Check condensate drain pump connection Check condensate drain pump status Restore The alarm is manually restored Electric coil safety thermostat alarm Cause a The electric heater has overheated Delay On start 10 s In operation 5 s Effect AL8 The electric heater will be stopped Solutions Check fan speed Check fan air flow rate Check the aeraulic circuit Restore The alarm is manually restored Clogged air filter alarm Cause The dirty filter differential pressure sensor has detected excessive pressure Delay On start 10 s In operation 5 s Effect ad Warning only Solutions Check the condition of the air filters Check pressure sensor calibration Check pressure sensor connection Check the aeraulic circuit Restore The alarm is manually restored pag 88 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 Dry cooler general alarm Cause The dry cooler has an alarm Delay On start 10 s In operation 5 s AL35 Effect See previous chapters Solutions Check the dry cooler condition Restore The alarm is manually restored Humidifier general alarm Cause The humidifier has an alarm Delay On start 10 s In operation 5 s AL36 Effect Humidification will be stopped Solutions Check status of the external humidifier Restore
75. f present asana nanan AGANE emen 44 Condensation pressure and temperature detection eene e semememesetemememenesenesese serene 44 De superheating management aggiungere i parametri relativi alla fUnzione sasawa anan anan anan eee 45 Control of early valve opening upon compressor St rt UP 0 ec nene NANANA NANANA NANANA NANANA NANANA NANANA se sese serene 45 Low Superheat LoSH management High superheat THISH management isse e oer D A re ores up IAA 45 pag 4 of 100 EVCO S p A 8 9 11 8 9 12 8 9 13 8 9 14 8 9 15 8 9 16 8 9 17 8 9 18 8 10 8 10 1 8 10 2 8 10 3 8 10 4 8 10 5 8 10 6 8 11 8 11 1 8 11 2 8 11 3 8 12 8 12 1 8 12 2 8 12 3 8 12 4 8 13 8 13 1 8 13 2 8 13 3 8 13 4 8 14 8 14 1 8 14 2 8 14 3 8 14 4 8 14 5 8 14 6 8 14 7 8 15 8 15 1 8 15 2 8 15 3 8 15 4 8 16 8 16 1 8 16 2 8 16 3 8 16 4 8 17 8 17 1 8 17 2 8 17 3 8 17 4 8 18 8 18 1 8 18 2 8 19 8 19 1 c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 High compressor evaporation pressure management MOP 00 naan EEE EEE nnn nini nnn nnns 45 Low compressor evaporation pressure management LOP ERASER ER ER ether ne 45 Low evaporation pressure alarm ice sie Ded ecole ee a Verband vx bred Ves ek we Dead iua ira AA eels E VERDE ERA CAN 45 Management of high compressor discharge temperature eene ANAN ANAKAN ne
76. fan new in the network it will change the address to that of the faulty one Should there be several fans in alarm the fan will be given the first free address During the self routing process the NEW FANS will have to be connected ONE AT A TIME pag 59 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 10 UNIT CONTROL CANBUS NETWORK 10 1 General information c pro 3 kilo CLOSE is able to control up to twelve connected units that form a local network The local network allows information to be exchanged between the units that will be able to work in synchrony to control the conditioned premises also assuring a higher safety level by sharing the thermal load Network management is Multi Master type i e there is no unit that sets the others actions All the units in the network have the task to monitor the general condition acting in synchrony in the required regulation 10 2 Addressing unit in the local network All the units connected in local network must have a unique address that identifies them within the network With parameter Network address Manufacturer set up Local network configuration it is possible to select the unit s network address according to the following logic NETWORK ROUTING UNIT ADDRESS TYPE ID DISPLAY ID REMOTE DISPLAY ID 13 Stand alone 13 99 1 Unit 1 1 101 2 Unit 2 2 102 3 Unit 3 3 103 4 Unit 4 4 104 5 Unit 5 5 105 6 U
77. figure which probe is designated to temperature control The type of control is normally connected to the type of system one wishes to implement The following controls may be selected Return temperature regulation c pro 3 kilo CLOSE uses the return temperature value to regulate the temperature This setting is ideal for rooms where the thermal loads are consistently distributed Supply temperature regulation c pro 3 kilo CLOSE uses the supply temperature value to regulate the temperature This setting is ideal for rooms where the thermal loads are not consistent and the return temperature might not be correct 8 6 2 Setting the temperature set point limits Should it be required to limit the setting field of the temperature regulation set point it is possible to configure its minimum and maximum limit With the Minimum temperature set point limit parameter Manufacturer Set up Set point limit configuration it is possible to configure the minimum setting limit of the temperature set point With the Maximum temperature set point limit parameter Manufacturer Set up Set point limit configuration it is possible to configure the maximum setting limit of the temperature set point This function is ideal to prevent excessively high or low regulation values to be set which might create problems in the system 8 6 3 Temperature regulation neutral zone setting In order to prevent continuous swings of the cooling or heating reque
78. g Operating hours it is possible to delete the unit s operating hours With parameter Compressor 1 Log clearing Operating hours it is possible to delete compressor 1 operating hours With parameter Compressor 2 Log clearing Operating hours it is possible to delete compressor 2 operating hours With parameter Water valve Log clearing Operating hours it is possible to delete water valve operating hours With parameter Electric resistors Log clearing Operating hours it is possible to delete electric resistors operating hours With parameter Humidifier Log clearing Operating hours it is possible to delete the humidifier s operating hours In case of internal humidifier operating hours on the CPY board will also be cleared With parameter Free cooling Log clearing Operating hours it is possible to delete free cooling operating hours With parameter Dry cooler Log clearing Operating hours it is possible to delete dry cooler operating hours With parameter Condenser 1 Log clearing Operating hours it is possible to delete condenser 1 operating hours With parameter Condenser 2 Log clearing Operating hours it is possible to delete condenser 2 operating hours Access to alarms log clearing is only possible with a Manufacturer log in pag 58 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 9 COMPONENT CONTROL MODBUS MASTER NETWORK 9 1 General information c pro 3 kilo
79. ges see following chapters The primary water circuit page will display The controlled temperature The controlled humidity if humidity control is present The inlet water temperature The cooling request The dehumidification request if humidity control is present The primary circuit water valve opening percentage 6 7 Direct expansion The direct expansion regulation status pages may show different views depending on the type of accessories and number of cooling circuits the unit is fitted with It will therefore be possible to view The controlled temperature The controlled humidity if humidity control is present The cooling request Activation status of the compressors The compressor s speed in percentage Cooling circuit operating parameters low pressure The current evaporation pressure The current evaporation temperature Compressor suction temperature Current superheating Cooling circuit operating parameters high pressure Compressor discharge temperature The current condensation pressure The current condensation temperature Expansion valve operating parameters Current superheating The opening of the valve in percentage Valve regulation status 6 8 Condenser regulation In the condenser regulation pages the following information may be viewed for each condenser The current condensation temperature 6 9 Hybrid units with secondary water
80. h compressor discharge temperature alarm delay parameter Manufacturer Set up Alarms management configuration it is possible to delay alarm triggering 8 9 15 Failed compression compressor alarm Excessively small compression ratio i e the ratio between circuit pressures Condensation pressure Evaporation pressure indicates that the compressor is not correctly compressing the refrigerant Possible causes are mechanical rupture of the compressor incorrect compressor direction of rotation or incorrect operating condition In order to improve compressor protection c pro 3 kilo CLOSE constantly monitors pressure ratio Condensation pressure Evaporation pressure Should the pressure difference be less than 2 0 Barg the compressor will be stopped and the Low compression compressor alarm 1 2 8 9 16 High condensation pressure alarm Condensation pressure above the standard readings involves a work overload for the compressor Its absorption will tend to rise with the risk to damage the motor Furthermore as the pressure rises so does the risk of damaging the cooling circuit components due to the high pressure In order to improve compressor protection c pro 3 kilo CLOSE constantly monitors condensation pressure A manual reset pressure sensor is installed on the circuit and will open the digital input to lock the compressor in the event of high pressure triggering the High compressor pressure alarm 1 2 8 9 17 Compressor therma
81. hat will continue operating regularly With the Temperature and humidity alarms delay parameter Manufacturer Set up Alarms management configuration it is possible to delay alarm triggering Alarm triggering is defined by the following formulas Alyy In gt Limityy Dove Aly is the high limit temperature alarm Al is the low limit temperature alarm Ali In lt Limit In is the limit temperature value Limitar is the Limit temperature upper limit parameter User set up Limit temperature regulation Limit is the Limit temperature lower limit parameter User set up Limit temperature regulation pag 39 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 8 8 Humidity regulation 8 8 1 Humidity probe configuration The units may be fitted with a humidity probe parameter Humidity Manufacturer set up Probe configuration that lets you view the air humidity reading 8 8 2 Setting humidity set point limits Should it be required to limit the setting field of the humidity regulation set point it is possible to configure its minimum and maximum limit With the Minimum humidity set point limit parameter Manufacturer Set up Set point limit configuration it is possible to configure the minimum setting limit of the humidity set point With the Maximum humidity set point limit parameter Manufacturer Set up Set point limit configuration it is possible to configure the maxi
82. hing function allows cleaning the cylinder and water lines in particular after having carried out the hydraulic connections and or replaced the cylinder During washing the cylinder is filled with closed contactor and emptied 3 times to remove any impurities present inside the cylinder and the pipes With the Cylinder pre washing parameter User Set up Humidifier regulation it is possible to enable the pre washing function The humidifier will automatically go back to normal operation at the end of the pre washing function 8 8 13 High and low humidity alarms With parameters High return humidity alarm offset User set up Humidity regulation and Low return humidity alarm offset User set up Humidity regulation it is possible to configure two alarm thresholds for humidity control Exceeding these thresholds will trigger the High return humidity alarm or the Low return humidity alarm to alert the operator to any problems High and low humidity alarm triggering is not a shutdown problem for the unit that will continue operating regularly With the Temperature and humidity alarms delay parameter Manufacturer Set up Alarms management configuration it is possible to delay alarm triggering Alarm triggering is defined by the following formulas Alin In gt Set Of fsetun Where Alun is the high return humidity alarm Alin n lt Set Offset e Alin is the low return humidity alarm In is the retu
83. ing request aao ST utt LT ae at pd om Pec 8 5 3 Adjustment of constant air flow variable speed fans With the Type of regulation parameter Manufacturer Setup Ventilation configuration it is possible to configure fan regulation so as to modulate the speed according to the air flow in order to keep it constant with respect to parameter Air flow setpoint User setup Ventilation set point In order to calculate air flow rate the unit requires a pressure sensor installed inside the machine and connected with the fan nozzle DO pag 33 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 With the Differential air pressure parameter Manufacturer Setup Probe configuration it is possible to configure the air differential pressure sensor presence Flow rate will be calculated based on the following mathematical function Where V is the flow rate in m3 h V 1 AP k AP is the measured pressure difference K s the fan s characteristic coefficient parameter Air flow coefficient Manufacturer set up Ventilation configuration Fan speed will be increased or decreased in order to reach the set point A 100 m3 h neutral zone makes it possible to stabilise fan speed With the Minimum fan speed parameter Manufacturer Setup Ventilation configuration it is possible to configure the minimum operation speed at which the fan may regulate With the Maximum fan spe
84. iring diagram The power cables do not run near the main board microprocessors There are no sources of electromagnetic interference near the microprocessor or the data transmission cables pag 94 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 17 ACCESSORIES 17 1 RS 485 USB EVIF20SUXI Serial interface 17 1 1 General information Using the interface it is possible to connect the main controller c pro 3 kilo CLOSE and the bipolar stepper electronic expansion valves driver EVDRIVE03 to the Parameters Manager set up software system 17 2 EVUSB4096M 4 GB USB flash drive 17 2 1 General information Using the key it is possible to upload and download the controller configuration parameters c pro 3 kilo CLOSE 17 3 EVKEY10 Programming key 17 3 1 General information Using the key it is possible to upload and download the bipolar stepper electronic expansion valves driver EVDRIVE03 configuration parameters pag 95 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 17 4 0026700005 Frontal plate 17 4 1 General information Using the plate it is possible to integrate the remote user interface Vgraph O in both residential and commercial environments The plate is black 17 5 Gasket 0027000018 Descrizione della guarnizione con codice 0027000007 17 5 1 General information Using the gasket it is possible to guarantee the remote user interface Vgraph O an IP6
85. k probe sensor signal Restore The alarm is manually restored CODE COMPRESSOR ALARMS Compressor 1 2 magnetic thermal protection alarm Cause The compressor s magnetic thermal protection has triggered an alarm Delay On start 10 In operation 5 s AL11 Effect AL12 See previous chapters Solutions Check compressor electrical connection Check compressor absorbed current Restore The alarm is manually restored Compressor 1 2 high pressure alarm Cause The compressor s high pressure protection has triggered an alarm Delay On start 10 In operation 5 s Effect AL13 S See previous chapters AL14 Solutions Check the condensation pressure Check condenser status Check the condenser power supply line Restore The alarm is manually restored pag 86 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 Compressor 1 2 low pressure alarm Cause The compressor s low pressure protection has triggered an alarm Delay On start According to parameter In operation 5 s Effect AL15 See previous chapters AL16 Solutions Check evaporation pressure Check electronic expansion valve status Check the cooling circuit Restore The alarm is manually restored Compressor 1 2 high discharge temperature alarm Cause The compressor s drain high temperature protection has triggered an alarm Delay A On start According to parameter In
86. l magnetic protection alarm All compressors are electrical fixtures and are therefore protected by thermal magnetic switches in order to preserve the motor and the power line in the event of electrical motor short circuit and overload In the event of failure the thermal magnetic switch will break the power line and open the digital alarm input triggering the Compressor thermal magnetic protection alarm 1 2 8 9 18 Electronic valve alarm management if present he EVDrive valves regulation driver manages all alarms concerning electronic valves triggering the Compressor electronic expansion valve alarm 1 2 Driver alarms stop cooling circuit operation Below is the list of valve alarms Communication failure the alarm indicates failed communication with the c pro 3 kilo CLOSE regulator Evaporation pressure probe alarm In the event the evaporation pressure probe should be broken or disconnected the driver will signal the fault to the c pro 3 kilo CLOSE Condensation pressure probe alarm In the event the condensation pressure probe should be broken or disconnected the driver will signal the fault to the c pro 3 kilo CLOSE Suction temperature probe alarm In the event the suction temperature probe should be broken or disconnected the driver will signal the fault to the c pro 3 kilo CLOSE Discharge temperature probe alarm In the event the discharge temperature probe should be broken or disconnected the driver will signal
87. larms management configuration it is possible to set an alarm trigger delay at switch on to allow the motor to open the shutter If the digital shutter status input is CLOSED Shutter closed at the end of the opening periods or during normal unit operation the Shutter status alarm will be triggered which will stop unit operation 8 5 Air supply fans regulation c pro 3 kilo CLOSE has the possibility to control one or more air supply fans with various types of control The type of control is connected to the fan s features With the Number of fans parameter Manufacturer Setup Ventilation configuration it is possible to configure the number of fans installed in the unit With the Type of fans parameter Manufacturer Setup Ventilation configuration it is possible to configure the fan control choosing from the following types 1 On off The fans will be controlled via a digital output 2 Analogue The fans will be controlled via a digital output and a 0 10 V analogue output 3 MODBUS The fans will be controlled via MODBUS master communication protocol 8 5 1 Fixed speed variable fans control With the Type of regulation parameter Manufacturer Setup Ventilation configuration it is possible to configure the fan regulation setting a fixed operating speed With the Maximum fan speed parameter Manufacturer Setup Ventilation configuration it is possible to configure the operation speed you wish to maintain pag 32
88. ld the ENTER key de It is possible to select the MENUS on the MAIN MENU by moving the cursor with the UP and DOWN v a Press the ENTER key to access the menu selected 7 2 Set Set point Within the SET Set point menu it is possible to modify the ambient temperature and ambient humidity regulation setpoints These parameters can be modified so that the user is able to select his her preferred environmental conditions 7 3 Network CANBUS local network status The general status of all units of the local network may be viewed within the NETWORK Local network status menu The unit you are accessing from will be displayed with an L Local while the other units bill be displayed with their network address from 1 to 12 The units may have the following statuses Unit not on the network OFF Unit off ON Unit on STB Unit in stand by ALM Unit in alarm OFL Unit off line 7 4 PAR Regulation parameter Within the PAR Parameters menu after gaining access by entering the correct login password it is possible to edit the unit regulation parameters and the unit configuration parameters The group is divided into the following sections USER SETUP Modification of the unit control and operation parameters MANUFACTURER SETUP Configuration of unit operational parameters LANGUAGE Enables the software language to be changed DELETE LOGGING Can be used to delete the working hours
89. lock password might be required this is the USER password 8 3 Unit switch on The unit may be switched on and off by pressing the ON OFF button 5 for a few seconds The unit s status may be viewed on the display s main page If the units are installed in local network depending on the configuration of the Dynamic ON OF parameter Manufacturer s set up Local network configuration it will be possible to switch on or off simultaneously all the units in a local network When it is on Unit ON the unit may be controlled via the digital OFF input remotely and via the supervision system BMS MODBUS 8 3 1 OFF via remote and via supervisory BMS MODBUS SYSTEM After being started from the terminal the unit may be turned off and on via a digital OFF input remotely and via the supervision system BMS MODBUS For reasons of operator safety should the unit be set to OFF from the display the unit may not be started in any way via the digital OFF input remotely and via the supervision system BMS MODBUS pag 31 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 The unit s switch on priority is therefore as follows a c A On Off from display L L L B Off via remote c Off via supervisory BMS MODBUS system 8 3 2 Automatic RE START due to power failure The control software features an automatic re start function in case of power supply failure Should there be a power supply line outage when it is restore
90. ls Regulation with 1 stage Regulation with 2 stages 2 steps pag 53 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 A Temperature set point Mainmenu Set point B Proportional band User set up Temperature regulation Cc Stage 1 D Temperature neutral zone Manufacturer Set up Neutral zone configuration E Stage 2 Regulation with 2 stages 3 steps 8 17 3 Heating with electrical or water modulating coils c pro 3 kilo CLOSE is able to manage electrical or water modulating coils via 0 10 V signal The following pictures show the modulation diagram with Proportional temperature regulation With parameter Electric heater power Manufacturer set up Heating configuration it is possible to configure the electrical power of A Temperature set point Main menu Set point B Proportional band User set up Temperature regulation c Heating D Temperature neutral zone Manufacturer Set up neutral zone configuration 8 17 4 Electric heater alarms management The electric heaters provide active protection against overheating through the installation of a safety thermostat placed inside the electric heater Should the safety thermostat detect a temperature exceeding 135 C it will stop its operation Opening the alarm digital input will trigger the Electric heater safety thermostat alarm which will stop heating regulation The thermostat is manually reset th
91. lure ates Hall sensor error ios High motor temperature we Delay ASSE On start 30 s In operation 30 s 53 Effect The intervention causes the unit to shut off All devices will be stopped without complying with operating times Solutions Check MODBUS communication cable wiring Check fan electrical connection Check power line supply voltage Check fan regulation module Check the condition of the fan Restore The alarm is manually restored Fire smoke presence alarm Cause The digital smoke fire alarm input is open Delay On start 10 In operation 5 s gt The intervention causes the unit to shut off SUN All devices will be stopped without complying with operating times Solutions Check for any smoke or fire inside the room Check electrical connection of the digital input Restore According to parameter CODE PROBE ALARMS pag 85 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 A specific alarm will trigger for each probe sensor Broken return humidity probe alarm Broken return temperature probe alarm Broken differential air pressure sensor alarm Broken supply temperature probe alarm Broken IN Free cooling water temperature probe alarm AL1 Cause AL2 ALS The sensor or the probe is broken or disconnected Delay AL4 On start 10 s In operation 10 s AL5 Effect See previous chapters Solutions Check probe sensor electrical connection Chec
92. mpressors excessively cooling the room When this function is enabled the set point might be reached in a longer time than with conventional regulation 8 8 6 Dehumidification lock With parameter Dehumidification lock offset Manufacturer set up Humidity regulation configuration it is possible to enter a temperature offset which when exceeded interrupts the dehumidification request to prevent ambient temperature from dropping too low This function is ideal in systems whose ambient thermal load and any unit heating triggering is not enough to offset dehumidification activation excessively cooling the room When this function is enabled the set point might be reached in a longer time than with conventional regulation Dehumidification lock triggering is defined by the following formula Where In is the controlled temperature value Dh Em In lt Set Offsetan ST set point parameter Main Offsetin is the Dehumidification lock offset parameter Manufacturer set up Humidity regulation set up 8 8 7 Humidifier presence setting With the Humidifier parameter Manufacturer Set up Humidity regulation configuration it is possible to configure the presence of a humidification system for room humidification regulation The parameter makes it possible to select the following humidification regulation types No There is no type of humidification regulation in the unit hence it will be disabled Si The unit or sys
93. mum setting limit of the humidity set point This function is ideal to prevent excessively high or low regulation values to be set which might create problems in the system 8 8 3 Humidity regulation neutral zone setting In order to prevent continuous swings of the dehumidification and humidification request near the regulation set point it is possible to configure a regulation neutral zone which will deviate the regulation start point from the set point See the following chapters for further information With the Humidity neutral zone parameter Manufacturer Set up Neutral zone configuration it is possible to configure the humidity regulation neutral zone This function is ideal for systems where the thermal loads are highly variable and there might be over regulation near the set points 8 8 4 Humidity proportional regulation With the Dehumidification parameter Manufacturer Set up Humidity regulation configuration it is possible to enable dehumidification operation Dehumidification is regulated with the Proportional system The control output of the components is therefore regulated according to the following function Where Bp is the Proportional dehumidification band Out x In Set parameter User set up Humidity regulation Bp In is the controlled humidity value Set is the Humidity set point parameter Main menu Set point Dehumidification is only activated when the control output reaches par
94. nd User set up Dry cooler regulation Cc Dry cooler regulation 8 14 3 Dry cooler regulation with autoset point Through dry cooler regulation with AutoSet point it is possible with a suitable algorithm to achieve the best possible regulation set point for the water temperature For optimal AutoSet point system regulation it is recommended to set parameter Dry cooler set point User set up Dry cooler regulation at the minimum value at which one wishes the dry coolers to work e g 7 C The set point is regulated in the following manner LOW OUTDOORS TEMPERATURE CONDITIONS As long as outdoor air temperature is such that water temperature remains within the zone defined by parameter Dry cooler set point User set up Dry cooler regulation parameter Dry cooler proportional band User set up Dry cooler regulation regulation type is proportional see previous chapter INCREASE IN THE OUTDOOR TEMPERATURE Upon increase in outdoor air temperature water temperature also starts increasing Upon achieving 100 of the demand a timer will be started As soon as the timer exceeds parameter AutoSet point time Manufacturer set up Dry cooler regulation configuration parameter Dry cooler set point User set up Dry cooler regulation will be added to parameter Dry cooler set point increase User set up Dry cooler regulation The set point will be increased until the temperature falls within the ne
95. nit 6 6 106 126 7 Unit 7 7 107 8 Unit 8 8 108 9 Unit 9 9 109 10 Unit 10 10 110 11 Unit 11 11 111 12 Unit 12 12 112 The network address may only be modified with the c pro 3 kilo CLOSE not connected to other units Should the units be connected the network cables must first be disconnected For more details on network connection refer to the wiring diagram and the units installation manual pag 60 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 10 3 Local network types With parameter Network operation Manufacturer set up Local network configuration it is possible to select the type of local network one wishes to control 10 4 Local network regulation 10 4 1 General information The main feature of the local network is that a part of the units are operating Duty and a part of the units are in stand by awaiting to start up in case of need Stand by With parameter Number of networked units Manufacturer set up Local network configuration it is possible to select the total number of units in the local network With parameter Number of stand by units Manufacturer set up Local network configuration it is possible to select the number of units that will remain off in stand by It is not possible to set all units in stand by at least one unit will always be operating 10 4 2 AUTOMATIC UNIT ROTATION In order to balance the units operating hours in Duty Stand by operati
96. nsion units exploit the properties of refrigerant gas to cool air The main regulation components of direct expansion units is the compressor or compressors in the event of multi circuit units 8 9 2 Management of ON OFF compressor Il c pro 3 kilo CLOSE is able to control up to 2 compressors on 2 separate cooling circuits The following pictures show the start up diagram of the compressors with Proportional temperature regulation With the Number of compressors parameter Manufacturer Set up Direct expansion configuration it is possible to configure the number of compressors installed in the unit O A OFF Proc A Temperature set point Mainmenu Set point D i B B Proportional band User set up Temperature regulation Regulation with 1 compressor c Compressor 1 Temperature neutral zone Manufacturer Set up 100 Neutral zone configuration E Compressor 2 Regulation with 2 compressors 8 9 3 ON OFF compressor automatic rotation With the Type of compressor rotation parameter Manufacturer Set up Direct expansion configuration it is possible to configure the rotation type of ON OFF compressors Rotation of non regulated compressors makes it possible to choose the compressor actuation logic in order to balance the hours of compressor operation as much as possible Two different types of rotation can be set FIFO HS FIFO First In First Out rotation ensures the first compressor to switch on is always th
97. nt nnne nn nenne nn nennen 46 Failed compression compressor alarms ce etx o OH OU rads ates RG QURE Fic de LE LR BRING GN OLET RR AA Fa RD A A 46 High condensation pressure alarm uec maa DR pan Seve ash RI RE din wg eas eve eee o en OR PRAE OR ei uU EP RET TAXE NY 46 Compressor thermal magnetic protection alarM cc i i nl ln nnn nn nn KANE hehehe heeetemememememememetemenetenesetese serene 46 Electronic valve alarm management if present sec sides eo ex red ean na Fk OU a iR Kap c NG 46 Condemser regulatioH eroe Mee E err ERA EO d vnu i III scu e Le PM LU Rabe an e Dad p vede url Ra Lo 47 General informations s tania eri eve eese deser eee idee nage do qe err ea TANDA RISI BASA 47 Condensers proportional regulat O crore eb E RUD ORE RERDANTEEROUU E EE bana cid baud ARPA RANA RRA RARA GREEN SANE 47 Condenser regulation with AUTOSET POINT mama apan tung Ceo e EAR DDR RR d RO o Ra DDR RO RU RO ED GONE ER ol 47 Start up req est management tara piave xc o COR RE a d ERA OO QD ERE E la VR D RC RD EA E RU E Y 48 Condenser regulation management with broken probe HH meminere nemine se nemine nennen nena 48 Condenser alarm management NAGANA a paie ED E Su Nei daba he 48 Evaporating unit regulation for connection to remote condensing unit i 48 General information aa E 48 Configuration for operation with remote condensing unit ii 48 Condensing unit alarm management rie 48 Chilled wat
98. of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 Yo 100 aene A Maximum fan speed Manufacturer Setup Ventilation configuration 0 ON OF 8 5 2 Regulation of modulating fans proportionally to the cooling or heating request With the Type of regulation parameter Manufacturer Setup Ventilation configuration it is possible to configure the fan regulation So as to modulate the speed according to the cooling or heating request This can result in significant energy savings and a reduction in noise levels particularly with partial loads With the Minimum fan speed parameter Manufacturer Setup Ventilation configuration it is possible to configure the minimum operation speed at which the fan may regulate With the Maximum fan speed parameter Manufacturer Setup Ventilation configuration it is possible to configure the maximum operation speed at which the fan may regulate Setting minimum speed at a value below 3096 is not recommended because this might prevent correct detection of ambient temperature and humidity In the event of direct expansion unit with electric coils the fan will be maintained at maximum speed until the component switches off in order to prevent regulation problems A Minimum fan speed Manufacturer Setup Ventilation configuration B Maximum fan speed Manufacturer Setup gt Ventilation configuration C Fan modulation area i clelia uu D Cooling or heat
99. on LN2 0 0 1 alito 0 No 1 Yes LN3 2 2 16 mE Number of networked units LN4 0 0 15 T Number of stand by units Enables unit rotation LN5 0 0 1 US 0 No 1 Yes LN6 12 1 9999 h Rotation interval Enable support LN7 0 0 1 E EAE 0 No 1 Yes LN8 120 1 9999 S Support switch on time Dynamic On Off LN9 1 0 1 ames 0 No 1 Yes Dynamic set point LN10 1 0 1 arte 0 No 1 Yes PARAM DEFAULT MIN MAX U M ALARM MANAGEMENT CONFIGURATION AS1 300 0 9999 S Temperature and humidity alarms delay AS2 150 0 9999 S Shutter status alarm delay AS3 180 0 9999 S Compressor low pressure alarm delay AS4 60 0 9999 S Compressor discharge high temperature alarm delay AS5 60 0 9999 S Compressor low compression alarm delay pag 74 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 Smoke fire alarm reset type AS6 1 0 1 E I 0 Automatic 1 Manual AS7 30 0 9999 S Start up flow alarm delay AS8 50 0 9999 S Flow alarm delay Unit power failure alarm 0 No AS9 2 0 2 T 1 Yes 2 Unit ON PARAM DEFAULT MIN MAX U M VARIOUS CONFIGURATION Enable keylock 0 No BT1 0 BT1 2 TARS 1 Yes 2 User password PARAM DEFAULT PARAM MAX U M PASSWORD MPW 2 MPW 9999 Manufacturer Password 12 4 Advanced loop setup components configuration PARAM DEFAULT MIN MAX U M PARAMETERS Default values restore DP1 0 0 1 T 0 No 1 Yes PARAM DEFAULT MIN MAX U M BAUD
100. on it is possible to set an automatic rotation function to switch the units role With parameter Enable unit rotation Manufacturer set up Local network configuration it is possible to enable the unit s role rotation With parameter Rotation interval Manufacturer set up Local network configuration it is possible to set the time interval between role rotations 10 4 3 Stand by unit activation in case of alarm The purpose of Stand by units is that of being switched on to replace operating units in the event of a critical problem To this end in the event one of the two operating units should be stopped due to a critical alarm one of the Stand by units will be Switched on to make up for the lack Should there be several Stand by units the unit with the least number of operating hours will be switched on Should the units have the same number of operating hours the unit with the lowest network address will be switched on 10 4 4 Management of the temperature regulation support system In Network operation it is possible to set a temperature regulation support control function With parameter Enable support Manufacturer set up Local network configuration it is possible to enable support switch on of stand by units With parameter Support switch on time Manufacturer set up Local network configuration it is possible to set the time interval for supporting units switch on Should the regulated temperature in one or more op
101. ondensing unit Evaporator The units for connection to remote condensing units are supplied without compressors and without expansion valve as these components are installed in the condensing unit 8 11 2 Configuration for operation with remote condensing unit In order to assure system operation with remote condensing unit the unit s control outputs must be configured With the Configurable output 1 2 3 4 parameter Manufacturer Set up Digital output configuration it is possible to configure one of the four digital outputs in order to provide the condensing unit start up contact The 0 10 V modulating cooling request regulation output AO 2 External inverter will make it possible to drive a condensing unit with inverter compressor The cooling request will take place in the manner detailed in the previous chapters Direct expansion 8 11 3 Condensing unit alarm management In order to supply the unit with information on the condensing unit s status it is possible to configure a digital input as general condensing unit alarm With the Configurable input 1 2 3 4 parameter Manufacturer Set up Digital input configuration it is possible to configure one of the four digital inputs in order to detect the condensing unit alarm When configured digital input opening will trigger the General condensing unit alarm which will stop condensing unit regulation pag 48 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code
102. operation According to parameter Effect AL17 See previous chapters AL18 Solutions Check the compressor temperature discharge Check evaporation pressure Check the cooling circuit Restore The alarm is manually restored Compressor 1 2 low compression alarm Cause The compressor compression ratio is too low Delay On start According to parameter In operation 5 s Effect AL21 See previous chapters AL22 Solutions Check compressor rotation direction Check evaporation pressure Check the cooling circuit Restore The alarm is manually restored Compressor 1 2 electronic expansion valve alarm Cause The valve driver has one of the following problems Communication failure Evaporation pressure probe alarm Condensation pressure probe alarm Suction temperature probe alarm AL19 Discharge temperature probe alarm AL20 Delay On start 30 s In operation 30 s Effect See previous chapters Solutions Check valve driver connection Check probe connection Check probe signal pag 87 of 100 EVCO S p A Restore c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 The alarm is manually restored CODE COMPONENT ALARMS Water presence Condensate drain pump sensor alarm Cause The water detecting system is in alarm The condensation drain pump is in alarm Delay On start 10 s In operation 5 s Effect AL6 According to parameter Solutions Check water d
103. ore regulated according to the following function Where Bp s the Proportional band parameter User set up Out pm In Set Temperature regulation In is the controlled temperature value Set is the Temperature set point parameter Main menu Set point The following graph shows proportional regulation with and without neutral zone A ie D b A Temperature set point Main menu Set point pala doc B Proportional band User set up Temperature di gt regulation Cc Cooling regulation Heating regulation E Temperature neutral zone Manufacturer Set up i OMA doc Neutral zone configuration s pie ple tale B The following graph shows the system s response to proportional regulation in cooling The heating response will be the mirror opposite A Temperature set point Main menu Set point B Proportional band User set up Temperature regulation Cc Fully operational regulation error ON t 8 6 5 Proportional integral temperature regulation With the Regulation type parameter User Set up Temperature regulation it is possible to configure the PI Proportional Integral regulation type for temperature control This type of regulation is ideal in cases where one wishes to reduce to the minimum the Fully operational regulation error thus increasing regulation precision over time Proportional Integral
104. ource and switch to the secondary one Switching back to the primary source will take place when water temperature is again the same as parameter Hybrid units water setpoint User set up Free cooling amp hybrid regulation 8 16 3 Direct expansion hybrid system regulation The hybrid system with direct expansion primary cooling source is managed by detecting the alarms of the primary direct expansion circuit c pro 3 kilo CLOSE will use the primary source for temperature regulation for as long as there are no alarms that affect cooling circuit operation Should the cooling circuit no longer be operative c pro 3 kilo CLOSE will stop the primary source to switch to the secondary one The secondary source will remain active until the cooling circuit conditions have been restored 8 16 4 Secondary cooling source overriding With parameter Hybrid units source exchange User set up Free cooling amp two sources regulation it is possible to override secondary source operation In order to speed up the switch to the secondary cooling source or in the event of maintenance it is also possible to set a digital input as forced source exchange input With the Configurable input 1 2 3 4 parameter Manufacturer Set up Digital input configuration it is possible to configure one of the four digital inputs in order to override operation with secondary source 8 17 Heating components regulaiton 8 17 1 General information With paramete
105. overload Low DC power supply The fans control electronics constantly check the control module s status and alerts to any DC power supply reduction Master slave communication failure The fans control electronics constantly check the communication status with the slave fans and alerts to any communication failure Hall sensor error The fans control electronics constantly check the Hall sensor status and alerts to any damage 8 5 7 Air differential pressure sensor alarm If the unit is fitted with differential pressure sensor for controlling the fans it will be constantly monitored In the event the differential air pressure sensor should be broken or disconnected c pro 3 kilo CLOSE will trigger the Broken air differential pressure sensor alarm In the event of broken or disconnected pressure sensor c pro 3 kilo CLOSE will stop speed regulation at the last value at which the set point was reached If the set point has never been reached the speed is blocked at 50 or at start up speed if set 8 6 Temperature regulation 8 6 1 Temperature control type All units are fitted with two operating temperature detection probes One probe is located in the ambient air intake section and is defined as Return temperature probe while another probe is placed in the ambient air supply compartment and is defined as Supply temperature probe With the Regulation sensor parameter User Set up Temperature regulation it is possible to con
106. point Main menu Set point B Proportional band User set up Temperature SU AA id E i regulation C Fully operational regulation error ON D Over regulation Regulation optimisation may require a certain amount of time since the system has to operate for at least 30 minutes to assure mathematical calculation is optimised If after 30 minutes have elapsed the system still appears to be very unstable the parameters will need to be changed again and tests be started again In order to reduce test times we suggest entering the following values Proportional band parameter User set up Temperature regulation 10 0 C Integration Time parameter User set up Temperature regulation 180 s 8 6 6 Proportional integral derivative temperature regulation With the Regulation type parameter User Set up Temperature regulation it is possible to configure the PID Proportional Integral Derivative regulation type for temperature control This type of regulation is ideal in cases where one wishes to reduce to the minimum the Fully operational regulation error and Over regulation thus making temperature control more stable and precise PID regulation adds to Proportional Integral regulation the so called Derivative error which makes it possible to take into account the speed with which the magnitude changes and therefore to correct the control output more quickly The control output of the componen
107. r heating Manufacturer set up Heating configuration it is possible to configure the type of temperature regulation during winter heating and summer post heating dehumidification The following types of regulation can be selected 1 No There is no type of heating regulation in the unit hence it will be disabled 2 Stage resistors The unit is fitted with a stage electric heater which is controlled by the relevant digital outputs 3 Modulating coil The unit is fitted with a modulating electric heater which is controlled by a 0 10 V signal 4 Water valve The unit is fitted with a water heating coil which is controlled by a 0 10 V signal 8 17 2 Heating with stage electric heaters c pro 3 kilo CLOSE is able to control electrical stage coils with up to 2 stages The following pictures show the start up diagram of the stages with Proportional temperature regulation With parameter Number of electric heater stages Manufacturer set up Heating configuration it is possible to configure the number of stages the unit s electric heater consists of Maximum 2 With parameter Type of stage activation Manufacturer set up Heating configuration it is possible to configure the type of stage switching on choosing between 2 and 3 Steps See the following graphs for further information With parameter Electric heater power Manufacturer set up Heating configuration it is possible to configure the electrical power of the installed coi
108. r ducts etc equipment containing powerful magnets large diffusers etc areas affected by direct sunlight rain humidity excessive dust mechanical vibrations or shocks in compliance with Safety Standards the device must be installed correctly and in a way to protect against any contact with electric parts all parts that ensure protection must be fixed in a way that they cannot be removed without the use of tools pag 17 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 4 WIRING 4 1 I O CONFIGURATION The following chart shows an example of ready for use configuration for direct expansion bicircuit close control units or chilled water close control units with a bipolar stepper electronic expansion valves driver for each circuit EVDRIVEO3 and modulating fans it is possible to customize the I O configuration c pro 3 kilo CLOSE EVDRIVE03 EVDRIVE03 circuit 1 circuit 2 Analogue inputs Al return air pressure AI2 return air humidity A13 return air temperature AI4 supply air humididty AI5 return air temperature AI6 circuit 1 discharge temperature AI7 circuit 1condensation pressure AI8 circuit 2 discharge temperature AI9 circuit 2 condensation pressure Ali circuit 1 discharge temperature AI2 circuit 1condensation pressure A13 circuit 1 suction temperature AI4 circuit 1 evaporation temperature Ali circuit 2 di
109. rable input 7 To choose the parameter value refer to Configurable Input 1 list DL7 Configurable input 7 logic 03 N O 1 N C DI8 29 Configurable input 8 e To choose the parameter value refer to Configurable Input 1 list DL8 Configurable input 8 logic 0 N O 1 N C DI9 29 Configurable input 9 To choose the parameter value refer to Configurable Input 1 list DL9 Configurable input 9 logic 03 N O 1 N C DL10 Compressor thermal protection EV input logic 03 N O 15 N C DL11 Compressor high pressure EV input logic 03 N O 1 N C DL12 Compressor low pressure EV input logic 0 N O 1 N C PARAM DEFAULT MIN MAX DIGITAL OUTPUT CONFIGURATION DO1 11 Configurable output 1 0 No 1 Compressor 1 control 2 Compressor 2 control 3 Water pump control 4 Condensing unit control 5 Unit status 6 Cooling status 7 Heating status 8 Humidification status 9 De humidification status 10 Free cooling status 11 General alarm pag 69 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 DL1 Configurable output 1 logic 0 N O 12 N C DO2 Configurable output 2 e To choose the parameter value refer to Configurable Output 1 list DL2 Configurable output 2 logic 03 N O 1 N C DO3 11 Configurable output 3 To choose the parameter value
110. re remains within the zone defined by parameter Condensation set point User set up Condenser regulation parameter Condensation proportional band User set up Condenser regulation regulation type is proportional see previous chapter INCREASE IN THE OUTDOOR TEMPERATURE Upon increase in outdoor air or water temperature condensation temperature also starts increasing Upon achieving 100 of the demand a timer will be started As soon as the timer exceeds parameter AutoSet point time Manufacturer set up Condenser regulation configuration parameter Condensation set point User set up Condenser regulation will be added to parameter Condensation set point increase User set up Condenser regulation The set point will be increased until the temperature falls within the new regulation range up to the maximum equalling parameter Maximum condensation set point User set up Condensers regulation pag 47 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 REGULATION WITH RAISED SET POINT For as long as the set point is increased the condensation request will be forced to a minimum value equalling parameter Minimum AutoSet point request Manufacturer set up Condensers regulation configuration This stops the condensation temperature value from being affected if the set point is reached DROP IN OUTDOOR TEMPERATURE With a drop in the outdoor air temperature the condensation temper
111. re sensor alarmi cuisson PAANAN AR dees PALAG AGA TELAIO FERES IEEE ORTA RATTI ERRARE FERREA ARIE HG a a 35 Tempera lire cenato ree EE 35 Temperature Control type cirie rire II iaia Ir ae 35 Setting the temperature set point limits 1 kag rici KAG BIRO ARTI AREA RE ERI RAE PARRA sede PRIA 35 Temperature regulation neutral zone setting rc aa ER OR o RE OE OU KR c E CR ER 35 Proportional temperature regulation ire eoe ennt A BOLE ORE KALOKA EPA Ea KENIA 36 Proportional integral temperature regulation 36 Proportional integral derivative temperature regulation High or low temperature alarm Air temperature probes alarm management Limit temperature regulation 39 Limit temperie aree ei 39 High and low limit temperature management inis eh ra en emt ERE aa nila IR I pr rina 39 altina ie regulation uie ope ree FR RROLREER ERRARE RPROHO ATI ERE FR ROI IERI FERRE ERE TER TALIA TROIA RN 40 HUmidity probe configurationi aprite aa ia iene 40 Setting Humidity sebt point4 TES ue eco e eae CO NAPO PAA POOR RICCI CIN M DRE 40 Humidity regulation neutral zone Setting suceso es reris vxor vx etra Vier eue Ee aula VE ER xe a VERO a FED FERA 40 H midity proportional regulat oA a eie nx PAKANA BKA ANA PE PERDER AER RCRERIGRREN RUE EREAKPERDRER AUR ARE TUROHARA TUR OR RE PAROA FU KAKA ESEE 40 Partial dehumidification 7 1207 ine cct ee G20 en e mt v dex esae loe a nee an e ERR Xe RID ee aa i
112. rm will be managed via the relevant digital input In case one or more fans should be in alarm c pro 3 kilo CLOSE will trigger the General supply fans alarm which will stop unit operation If the fans are controlled via MODBUS connection c pro 3 kilo CLOSE is able to detect the following alarm conditions of each fan installed in the unit triggering the Fan inverter alarm 1 2 3 4 5 in which the nature of the problem is specified The following alarm causes are possible pag 34 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 Communication failure c pro 3 kilo CLOSE constantly monitors correct communication with the fans control module in order to assure their correct operation Phase power supply failure alarm The fans control electronic constantly checks for motor power supply The check is carried out on every individual motor phase High regulation module temperature The fans control electronics constantly check the control module s temperature in order to prevent damage due to excessively high temperatures High motor temperature The fans control electronics constantly check the motor temperature in order to prevent damage due to excessively high temperatures Regulation module malfunction The fans control electronics constantly check the control module s status and alerts to any damage Motor overload The fans control electronics constantly check the motor status and alerts to any
113. rmal alarm 17 Cmp1 high pressure alarm 18 Cmp2 high pressure alarm 19 Cmp1 low pressure alarm 20 Cmp 2 low pressure alarm 21 STOP cooling 22 STOP heating 23 STOP humidifying 24 STOP deumidifica 25 STOP heating humidifying pag 67 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 26 STOP cooling heating humidifying 27 STOP free cooling 28 FORCE free cooling 29 FORCE hybrid units DL1 Configurable input 1 logic 03 N O 1 N C DI2 29 Configurable input 2 e To choose the parameter value refer to Configurable Input 1 list DL2 Configurable input 2 logic 03 N O 1 N C DI3 29 Configurable input 3 To choose the parameter value refer to Configurable Input 1 list DL3 Configurable input 3 logic 03 N O 1 N C DI4 29 Configurable input 4 To choose the parameter value refer to Configurable Input 1 list DL4 Configurable input 4 logic 0 N O 1 N C DI5 29 Configurable input 5 To choose the parameter value refer to Configurable Input 1 list DL5 Configurable input 5 logic 03 N O 1 N C DI6 29 Configurable input 6 To choose the parameter value refer to Configurable Input 1 list DL6 Configurable input 6 logic 03 N O 1 N C pag 68 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 DI7 29 Configu
114. rn humidity value Set is the Humidity set point parameter Main menu Set point pag 42 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 Offset is the High return humidity alarm offset Offset is the Low return humidity alarm offset parameter User set up Humidity regulation parameter User set up Humidity regulation 8 8 14 Air humidity probes alarm management In the event the return humidity probe should be broken or disconnected c pro 3 kilo CLOSE will trigger the Broken return humidity probe alarm 8 8 15 Humidifier alarm management The humidifier board controls the internal humidifier s alarm detection With the MODBUS master protocol c pro 3 kilo CLOSE receives the humidifier s alarm statuses triggering the Internal humidifier alarm and providing the type of extant alarm See the chapter on alarm management for further information With the Configurable output 1 2 3 4 parameter Manufacturer Set up digital output configuration it is possible to configure one of the four digital outputs in order to provide the General external humidifier alarm Both alarms stop humidifier regulation 8 9 Direct expansion unit regulation 8 9 1 General information With the Machine type configuration parameter Manufacturer Set up Machine type configuration it is possible to configure the type of temperature regulation with direct expansion system Direct Expansion Direct expa
115. s possible to configure one of the four digital outputs in order to control the water pump 8 15 3 Water pump switch off delay management In some cases the water pump might need to operate for a few seconds after the switch off request With parameter Pump switch off delay Manufacturer Set up Water pump configuration it is possible to configure a pump switch off delay 8 15 4 Water pump alarm management In order to supply the unit with information on the water pump s status it is possible to configure a digital input as general water pump alarm With the Configurable input 1 2 3 4 parameter Manufacturer Set up Digital input configuration it is possible to configure one of the four digital inputs in order to detect the water pump alarm When configured digital input opening will trigger the General water pump alarm which will stop water pump regulation Depending on the setting of parameter Water pump alarms severity Manufacturer Set up Alarm management configuration triggering the alarm may also stop the unit 8 16 Hybrid units regulation 8 16 1 General information With the Machine type configuration parameter Manufacturer Set up Machine type configuration it is possible to configure the type of temperature regulation with water or direct expansion hybrid system Units with hybrid system have two separate cooling sources inside a primary one for normal regulation and a secondary emergency one in case of an
116. scharge temperature AI2 circuit 2 condensation pressure A13 circuit 2 suction temperature AI4 circuit 2 evaporation pressure Digital inputs DIi shutter limit switch DI2 dirty filter sensor pag 18 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 DI3 switch off DI4 flooding sensor DI5 configurable DI6 configurable DI7 configurable DI8 configurable DI9 configurable DIi circuit 1 compressor thermal protection DI2 circuit 1 high pressure switch DI3 circuit 1 low pressure switch DIi circuit 2 compressor thermal protection DI2 circuit 2 high pressure switch DI3 circuit 2 low pressure switch Analogue outputs AO1 supply fan AO2 cooling coil mixing valve FC Inverter AO3 heating coil water mixing valve Modulating heater AO4 hybrid units chilled water mixing valve AO5 dry cooler condenser 1 AO6 humidifier condenser 2 e Digital outputs DO1 enables supply fan e DO2 shutter DO3 heating coil electric stage 1 DO4 heating coil electric stage 2 pag 19 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 DO5 configurable X DO6 configurable DO7 configurable DO8 configurable DO9 configurable DO1 circuit 1 compressor DO1 circuit 2 compressor
117. se alarms in conditions of low outside temperature the low pressure alarm is delayed upon compressor start up With the Low compressor pressure alarm delay parameter Manufacturer Set up Alarms management configuration it is possible to delay alarm triggering 8 9 14 Management of high compressor discharge temperature High discharge temperature of the compressor might give rise to several problems with the compressor and cooling circuit In order to improve compressor protection all units are fitted with a compressor discharge temperature probe installed on every circuit This probe has the purpose of ensuring the discharge temperature does not exceed the compressor s damage threshold Discharge temperature is managed through two different trigger thresholds 1 Discharge temperature protection threshold 110 0 2C Should the discharge temperature exceed this threshold the compressor request would be reduced in order to maintain the temperature below this threshold No alarm is triggered by the controller and the unit continues operating regularly This option is only valid for compressors controlled by inverter 2 Discharge temperature alarm threshold 115 0 C Should the discharge temperature exceed this threshold the compressor would be immediately stopped with the High compressor discharge temperature alarm 1 2 In order to prevent false alarms in transient situations the high discharge temperature alarm is delayed With the Hig
118. st near the regulation set point it is possible to configure a regulation neutral zone which will deviate the regulation start point from the set point See the following chapters for further information With the Temperature neutral zone parameter Manufacturer Set up Neutral zone configuration it is possible to configure the temperature regulation neutral zone This function is ideal for systems where the thermal loads are highly variable and there might be over regulation near the set points pag 35 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 8 6 4 Proportional temperature regulation With the Regulation type parameter User Set up Temperature regulation it is possible to configure the P Proportional regulation type for temperature control This type of regulation is ideal in cases where the force of actuators should be directly proportional to the distance of the regulation magnitude from the ideal setting Set point with respect to the maximum setting that should be obtained Proportional band This type of regulation will always tend to have a fully operational regulation error i e a deviation of the temperature from the set point The width of the deviation will vary according to the correctness of the unit s sizing with respect to the system thermal load the more over sized the unit the greater the deviation when fully operational The control output of the components is theref
119. t value and implements the following regulations In the event de superheat should be lower than 20 K liquid may flow back to the compressor To counter this phenomenon the superheating set point will be raised up to 12 0 K In the event de superheat should be higher than 30 K there is no liquid backflow risk Therefore in view of the favourable condition in relation to compressor safety it is possible to reduce the superheat set point to increase system efficiency condensation pressure decrease and evaporation pressure increase up to minimum 5 0 K 8 9 8 Control of early valve opening upon compressor start up In order to reduce compressor load upon start up AP between suction and supply and consequently electrical motor breakaway the expansion valve control driver manages an early valve opening algorithm In the event of compressor start up request the expansion valve will open at 100 for 5 seconds in order to balance circuit pressures after which the compressor will be started 8 9 9 Low Superheat LoSH management A Low Superheat LoSH figure may indicate a less than optimal operating condition which might lead to liquid flowing back to the compressor The expansion valve control driver manages an algorithm to monitor low superheat In the event the superheat pressure figure should exceed the limit figure of 3 0 K low superheat status will be displayed on the controller 8 9 10 High superheat HiSH management A High
120. tart up time EV45 50 0 100 Start up position Evaporation pressure sensor type EV46 1 0 1 0 4 20mA 1 0 5V EV47 0 0 1 0 870 0 bar Minimum evaporation pressure EV48 17 3 1 0 870 0 bar Maximum evaporation pressure EV49 0 0 5 0 5 0 bar Evaporation pressure offset Condensation pressure sensor type EV50 1 0 1 coe 0 2 4 20mA 1 2 0 5V EV51 0 0 1 0 870 0 bar Minimum condensation pressure EV52 45 0 1 0 870 0 bar Maximum condensation pressure EV53 0 0 5 0 5 0 bar Condensation pressure offset EV54 0 0 10 0 10 0 C F 1 Suction temperature offset EV55 0 0 10 0 10 0 C F 1 Discharge temperature offset PARAM DEFAULT MIN MAX U M DE SUPERHEATING CONFIGURATION Enable SH modulating mode 0 No SH1 1 0 2 1 Safety 2 Yes SH2 5 0 1 0 25 0 K SH minimun set point SH3 12 0 3 0 25 0 K SH maximum set point SH4 15 0 0 0 50 0 K DSH minimum set point SH5 35 0 0 0 50 0 K DSH maximum set point SH6 20 0 0 0 50 0 K Minimum DSH threshold to activate SH modulation pag 82 of 100 c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 EVCO S p A SH7 30 0 0 0 50 0 K Maximum DSH threshold to activate SH modulation PARAM DEFAULT MIN MAX U M PASSWORD APW 3 0 9999 Advanced password PARAM DEFAULT MIN MAX U M ALARMS LOG Deletes alarm log CSA 0 0 1 e 0 No 1 Yes Notes 1 Temperature unit of measurement depends on MU1 parameter C 0 F 1 pag 83 of 100 EVCO S p A
121. tem features an external humidifier not integrated with the controller Humidifier interfacing will take place with 0 10 V analogue signal 8 8 8 Humidification production percentage With the Humidification production percentage parameter Manufacturer Set up Humidity regulation configuration it is possible to configure the maximum limit of the humidifier control output in order to reduce steam production This function is ideal in systems where maximum humidifier production is too high and there may be steam over production issues and possible formation of condensate inside the unit 8 8 9 Steam production during cooling With the Joint humidification and cooling parameter Manufacturer Set up Humidity regulation configuration it is possible to enable steam production at the same time as cooling During cooling steam production should normally be stopped in order to prevent formation of condensate inside the unit owing to low air temperature This function makes it possible in systems where steam production is required even during cooling areas with very cold climate to prevent issues due to a drastic drop in ambient humidity This function is not recommended in direct expansion units as the supply air temperature may be very low and lead to condensate formation 8 8 10 Humidification proportional regulation With the Enable humidification parameter User Set up Humidifier regulation it is possible to enable humidifi
122. ter temperature Manufacturer set up Probe configuration it is possible to configure the water detection probe on water circuit outlet 8 12 4 WATER TEMPERATURE PROBES ALARMS MANAGEMENT In the event the inlet water temperature probe should be broken or disconnected c pro 3 kilo CLOSE will trigger the Broken IN Free cooling water temperature probe alarm In the event the outlet water temperature probe should be broken or disconnected c pro 3 kilo CLOSE will trigger the Broken OUT water temperature probe alarm 8 13 Free cooling unit control 8 13 1 General information With the Machine type configuration parameter Manufacturer Set up Machine type configuration it is possible to configure the type of temperature regulation with water or air free cooling system Free Cooling The units with free cooling system use outdoor air to cool the room free of charge when possible Free cooling may be direct outdoor air inflow or indirect through water circuit in both cases the secondary circuit is always direct expansion with built in air or water condenser 8 13 2 Free cooling system control The free cooling system is managed through temperature detection of outdoor or water flowing into the unit With parameter IN Free cooling water temperature Manufacturer set up Probe configuration it is possible to configure the free cooling temperature detection probe Regulation will activate free cooling operation when the follo
123. the Critical generic alarm The non critical generic alarm does not stop normal unit operation The critical generic alarm stops normal unit operation 8 21 Probe calibration management The value of the probes installed inside the unit might need to be changed depending on system requirements To this end c pro 3 kilo CLOSE is able to manage a probe calibration value to be added to the actual reading With parameter Return temperature User set up Probe calibration it is possible to calibrate the return temperature probe With parameter Supply temperature User set up Probe calibration it is possible to calibrate the supply temperature probe With parameter Humidity User set up Probe calibration it is possible to calibrate the humidity probe With the Differential air pressure parameter User Set up Probe calibration it is possible to calibrate the air differential pressure sensor With parameter IN Free cooling water temperature User set up Probe calibration it is possible to calibrate the water inlet free cooling temperature probe With parameter OUT water temperature User set up Probe calibration it is possible to calibrate the water outlet temperature probe 8 22 MODBUS RTU slave serial communication management c pro 3 kilo CLOSE regulator is fitted with a serial RS485 output for connection to supervision BMS systems via MODBUS RTU slave protocol See the following chapters for further information
124. the compressor the expansion valve control driver manages an algorithm for low evaporation pressure regulation Low Operating Pressure LOP Should the evaporation pressure reading exceed the limit of 6 2 Barg 3 C valve opening will be forced to the current figure to stop the pressure from continuing to go down triggering a low pressure alarm After restoring an acceptable evaporation pressure figure the control algorithm will go back to regulating the valve normally 8 9 13 Low evaporation pressure alarm Suction pressure below the standard readings involves a work overload for the compressor The refrigerant will be highly superheated on evaporator outflow and will reach the compressor at a temperature above its standard figure This causes abnormal overheating of the motor coils in particular and of the compressor s mechanical parts in general In order to improve compressor protection c pro 3 kilo CLOSE constantly monitors evaporation pressure Should the evaporation pressure reading go below 4 Barg 14 0 C the compressor will be stopped to prevent damaging it and the Low compressor pressure alarm 1 2 will be triggered Low outside air temperature might lead to the refrigerant migrating into the condenser This phenomenon would result in a low pressure condition during the first few minutes of compressor operation pag 45 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 In order to prevent fal
125. the fault to the c pro 3 kilo CLOSE pag 46 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 8 10 Condenser regulation 8 10 1 General information With parameter Condenser regulation Manufacturer set up Condenser regulation configuration it is possible to configure the type of condenser regulation of direct expansion units The following types of regulation can be selected 1 No There is no type of condenser regulation in the unit hence it will be disabled 2 Proportional The condensers will be regulated with a proportional system through a 0 10 V signal 3 AutoSet point The condensers will be regulated with a proportional system through a 0 10 V signal The regulation set point will be calculated automatically based on operating conditions see following chapters 8 10 2 Condensers proportional regulation To avoid condensation temperature over regulation issues the condenser is only regulated with compressor on The control output of the condensers is therefore regulated according to the following function Where Bp is the Proportional condensation band parameter User set up Condenser regulation 1 0 0 In is the condensation temperature value Set is the Condensation set point parameter User Out In Set j p set up Condenser regulation With parameter Minimum condensation request Manufacturer set up Condensation regulation configuration it is
126. ting times Solutions Check the hydraulic system Restore The alarm is manually restored Damper status alarm Cause The motorised shutters of the unit are closed Delay On start According to parameter In operation 5 s Effect The intervention causes the unit to shut off All devices will be stopped without complying with operating m3 times Solutions Check damper motor Check damper motor electrical connection Check damper status Restore The alarm is manually restored pag 84 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 General supply fan alarm Cause The unit fans are blocked because of the intervention of the air flow or electric fan protection sensor Delay On start 40 s In operation 5 s Effect The intervention causes the unit to shut off AL40 All devices will be stopped without complying with operating times Solutions Check for any air system problems that may reduce the unit s air flow Check electrical connection of the air flow sensor and fan electrical protection Check fan speed Check the condition of the fan Restore 3 The alarm is manually restored Fan 1 5 inverter alarm only if controlled via MODBUS Cause 2 Communication failure Phase power supply failure alarm High regulation module temperature Regulation module malfunction Motor overload Low DC power supply A Master slave communication fai
127. ts is therefore regulated according to the following function Where Out is the proportional error previous chapter Out is the proportional integral error previous chapter Bp is the Proportional band parameter User set up 00 d In Set Temperature regulation Out pia Out Out Bp Td dt Td is the Derivation Time parameter User set up Temperature regulation In is the controlled temperature value Set is the Temperature set point parameter Main menu Set point pag 37 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 The following graph shows the system s response to Proportional Integral Derivative regulation in cooling The heating response will be the mirror opposite Where 5 A Temperature set point Main menu Set point bo B Proportional band User set up Temperature T regulation C Fully operational regulation error ON D Over regulation Regulation optimisation may require a certain amount of time since the system has to operate for at least 30 minutes to assure mathematical calculation is optimised If after 30 minutes have elapsed the system still appears to be very unstable the parameters will need to be changed again and tests be started again In order to reduce test times we suggest entering the following values Proportional band parameter User set up Temperature regulation 40 0 C Integration Time
128. tures show the start up diagram of the compressors with Proportional temperature regulation A Temperature set point Main menu Set point B Proportional band User set up Temperature regulation NG c Compressor 1 D Temperature neutral zone Manufacturer Set up Neutral zone configuration E Compressor 2 50 0 i ON oc gc 5 Regulation with 2 compressors 8 9 5 Superheating regulation with electronic expansion valve only if present Optimal operation of cooling circuits is mainly connected to refrigerant Superheating value regulation on evaporator outlet Superheating SH refers to the difference between evaporation temperature and suction temperature of the compressor Correct Superheat SH value not only assures the compressor is protected from damage due to sudden liquid refrigerant backflow but also ensures the compressor always operates at the best possible condition reducing the electrical current absorbed by the compressor motor In order to achieve optimal of Superheat SH regulation all direct expansion units are fitted with Electronic expansion valve EEV whose positioning precision assures constant modulation of the refrigerant flow into the evaporation coil Valve modulation is controlled by the EVDrive control module through a specific algorithm Superheating SH value is calculated through the readings transmitted by the probes installed on the suction section of the compressor Two probes are
129. twork parameter configuration Restore The alarm will be automatically reset CODE TEMPERATURE AND HUMIDITY ALARMS High temperature regulation alarm Cause The regulated temperature has exceeded the alarm threshold Delay On start According to parameter In operation According to parameter AL29 Effect Warning only Solutions Check the unit s operation status Restore The alarm will be automatically reset Low temperature regulation alarm Cause The regulated temperature has exceeded the alarm threshold Delay On start According to parameter In operation According to parameter AL30 Effect Warning only Solutions Check the unit s operation status Restore The alarm will be automatically reset High limit temperature alarm Cause The limit temperature has exceeded the alarm threshold AL31 Delay On start Second parameter In operation Second parameter Effect According to parameter See previous chapters pag 90 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 Solutions Check the unit s operation status Restore The alarm will be automatically reset Low limit temperature alarm Cause The limit temperature has exceeded the alarm threshold Delay On start According to parameter In operation According to parameter AL32 Effect According to parameter See previous chapters Solutions
130. umber of active fans If constant air flow regulation is active the following will be displayed in addition to the status of each fan in the unit The current air flow rate in m3 h The fan s speed in percentage Number of active fans If constant air pressure regulation is active the following will be displayed in addition to the status of each fan in the unit The current air pressure in m3 h The fan s speed in percentage Number of active fans 6 4 Chilled water The chilled water regulation status pages may show different views depending on the type of accessories the unit is fitted with It will therefore be possible to view The controlled temperature The controlled humidity if humidity control is present The inlet water temperature reading if present 6 5 Free Cooling In free cooling units a free cooling circuit status page will be displayed and after that the direct expansion circuit pages see following chapters The free cooling page will display The controlled temperature The controlled humidity if humidity control is present The free cooling temperature The free cooling percentage pag 28 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 6 6 Hybrid units with primary water circuit In hybrid units with primary water circuit a primary circuit status page will be displayed and after that the secondarydirect expansion or water circuit pa
131. unit The following types of regulation can be selected 1 No There is no type of dry cooler regulation in the unit hence it will be disabled 2 Proportional The dry coolers will be regulated with a proportional system through a 0 10 V signal 3 Auto Set point The dry coolers will be regulated with a proportional system through a 0 10 V signal The regulation set point will be calculated automatically based on operating conditions see following chapters 8 14 2 Dry cooler proportional regulation The control output of the dry coolers is regulated according to the following function Where In Set Bp s the Proportional dry cooler band parameter User Out p Bp set up Dry cooler regulation In is the condensation temperature value Set is the Dry cooler set point parameter User set up Dry cooler regulation With the Minimum fan speed parameter Manufacturer Set up Dry cooler regulation configuration it is possible to configure the minimum operation speed of the dry cooler fans With the Maximum fan speed parameter Manufacturer Set up Dry cooler regulation configuration it is possible to configure the maximum operation speed of the dry cooler fans pag 50 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 The following graph shows proportional regulation Where A Dry cooler set point User set up Dry cooler regulation B Proportional dry cooler ba
132. units 10 5 2 Unit network entry If the Dynamic On Off system is not present when one or more units enter the network components regulation will be subject to a reset to prevent misalignment issues Therefore the fans will go back to minimum or start speed only for constant pressure regulation while the temperature regulation will be recalculated if a proportional integral derivative system is set 10 6 Dynamic set point system In all local network units the temperature set point may be individually changed as is the case for stand alone units In the event all units need to regulate with the same set point it is possible to activate the dynamic set point function which allows setpoints to be changed simultaneously in all networked units With parameter Dynamic Set point Manufacturer set up Local network configuration it is possible to enable simultaneous set point change in all networked units The dynamic set point function is especially suitable to prevent incorrect network set point settings which might create regulation conflicts 10 7 Air temperature humidity and pressure average control system Local network units are usually used to manage a single room In these cases it is possible to set a regulation control system by using average values detected by the networked units Using the average function makes it possible to obtain consistent components regulation of individual units which will be activated simultaneo
133. usly on all networked units This function also makes it possible to prevent regulation conflict issues where two or more units regulate in the opposite way for instance one heats and the other cools at the same time With parameter Temperature average Manufacturer set up Local network configuration it is possible to enable the average calculation of temperatures detected by the unit in relation to temperature regulation With parameter Humidity average Manufacturer set up Local network configuration it is possible to enable the average calculation of humidity detected by the unit in relation to humidity regulation With parameter Ambient pressure average Manufacturer set up Local network configuration it is possible to enable the average calculation of ambient pressures detected by the unit in relation to constant air pressure regulation 10 7 1 Exclusion from average calculation In order to prevent issues in average calculation it will exclude automatically the units that are OFF Units set to OFF will be automatically excluded from average calculation In Stand by Units in stand by will actively participate in average calculation only when they are active in replacement or support In critical alarm Units in OFF FROM ALARM will be automatically excluded from average calculation With probes in alarm Units that have broken probes will be automatically excluded from average calculation in relation to the pro
134. w regulation range up to the maximum equalling parameter Maximum dry cooler set point User set up Dry cooler regulation REGULATION WITH RAISED SET POINT For as long as the set point is increased the fans speed will be forced to a minimum value equalling parameter Minimum AutoSet point speed Manufacturer set up Dry cooler regulation configuration This stops the water temperature value from being affected if the set point is reached DROP IN OUTDOOR TEMPERATURE With a drop in the outdoor air temperature the water temperature tends to fall below the changed set point In this case a timer will start as soon as the water temperature is outside of the regulation range As soon as parameter AutoSet point time is exceeded Manufacturer set up Dry cooler regulation configuration parameter Dry cooler Set point increase User set up Dry cooler regulation will be subtracted from the modified set point The set point will decrease until the water temperature falls within the regulation range or until it reaches the parameter Set point dry cooler User setup Dry cooler regulation 8 14 4 Start up request management In order to improve dry cooler regulation it is possible to configure a start up period During the set start up period regulation will be overridden at start up speed At the end of the start up time regulation will go back to normal proportional operation With parameter Fans start up speed Manufacturer
135. wing 16 2 The mains power supply is on 24 Vac is on downstream of the supply voltage transformer Proper plugging in of 24 Vac supply connector The protection fuse is intact The cable connecting the terminal and the main board has been connected properly Incorrect reading of input signals Check the following 16 3 The inputs have been calibrated correctly from program Proper probe power supply Proper probe connection as per wiring diagram Proper probe output signal The probe wires are positioned at a suitable distance from potential sources of electromagnetic interference power cables contactors high voltage cables and cables connected to devices with high voltage consumption at start up The thermal resistance level between the probe and any probe pocket is not too high Place a little paste or conductive oil inside the pockets if necessary in order to guarantee effective temperature transmission Questionable alarm signalling from digital input Check the following 16 4 24 Vac power supply presence on the alarm contact The terminal is regularly inserted in its seat There are no breaks upstream of the terminal Failed closure of a digital output Check the following 16 5 24 Vac power supply presence on the digital contact The terminal is regularly inserted in its seat There are no breaks downstream of the terminal Absence of analogue outputs Check the following 16 6 0 10
136. wing function is valid Where Treg is the regulated temperature Treg Da In 2 Arc e Txisthe free cooling temperature Arc is parameter Delta free cooling User set up Free cooling amp hybrid regulation pag 49 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 When the free cooling system is active temperature is regulated by regulating the damper or free cooling valve with0 10 V control signal The following pictures show the control diagram of the free cooling component with Proportional temperature regulation Where A Temperature set point Main menu Set point B Proportional band User set up Temperature regulation Cc Free cooling regulation D Temperature neutral zone Manufacturer Set up Neutral zone configuration Should the free cooling system not be sufficient for temperature regulation and the cooling request should reach 100 c pro 3 kilo CLOSE will activate the secondary circuit compressors Compressor activation will be delayed in order to prevent unnecessary triggering After activating the compressors will regulate the temperature as detailed in the previous chapters direct expansion while the free cooling signal will remain at 10096 After reaching the set point the compressors will be stopped while the free cooling valve will be overridden at 100 for a few seconds Should the outdoor temperature no longer be able to provide free cooling operation and therefor
137. with air distribution from the raised floor especially in the following cases Premises intended for future expansion In these cases the floor is opened during expansion steps and pressure will tend to drop as a consequence The unit will therefore be able to offset by increasing fan speed assuring optimal air distribution Premises subject to constant maintenance In these cases the floor is opened during maintenance operations and pressure will tend to drop as a consequence The unit will therefore be able to offset by increasing fan speed assuring optimal air distribution 8 5 5 Starting speed control If modulating fan regulation is set it will be possible to configure a start up period During the set start up period the fans will be overridden at start up speed At the end of the start up time the fans will start regulating normally With the Start up fan speed parameter Manufacturer Set up Ventilation configuration it is possible to configure the operation speed at which the fan is regulated during the start up period With the Fan start up time parameter Manufacturer Set up Fan configuration it is possible to configure the fans startup period duration This function is optimal to reach more quickly the work condition at the unit s start with no need to wait for the modulation period required for reaching the set point 8 5 6 Fan alarm management If the fans are controlled via 0 10 V signal or digital On Off the ala
138. y problems with the primary source With parameter Primary source selection Manufacturer Set up Machine type configuration it is possible to configure the type of primary cooling choosing between Chilled water and Direct expansion With parameter Secondary source selection Manufacturer Set up Machine type configuration it is possible to configure the type of secondary cooling choosing between Chilled water and Direct expansion 8 16 2 Water hybrid system regulation The hybrid system with chilled water primary cooling source is controlled by detecting water temperature on primary circuit inlet With parameter IN Free cooling water temperature Manufacturer set up Probe configuration it is possible to configure the water temperature detection probe on primary circuit inlet c pro 3 kilo CLOSE will use the primary source for temperature regulation for as long as the inlet water temperature remains below parameter Water set point hybrid User set up Free cooling amp hybrid regulation parameter Water band hybrid User set up Free cooling amp hybrid regulation pag 52 of 100 EVCO S p A c pro 3 CLOSE User manual ver 1 0 Code 144CP3KCE104 Should inlet water temperature be higher than parameter Hybrid units water set point User set up Free cooling amp hybrid regulation parameter Hybrid units water band User set up Free cooling amp hybrid regulation c pro 3 kilo CLOSE will stop the primary s

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