EC3-652 Rack Controller and ECD-000 Display Unit !
Contents
1. EC3 652 Rack Controller and ECD 000 Display Unit EMERSON Operating Instructions Note This document contains short form instructions for experienced users Use last column in List of Parameters to document your individual settlings More detailed information can be found in the User Manual ee ee 6 4 6 6 pee lee TrTt pS z i T or r ed et f j kasja sjes ee The EC3 652 rack controller is a digital controller for racks in commercial refrigeration applications for controlling up to 8 compressors with conventional on off step control working on a common suction line Alternatively the controller may be configured to control a Copeland Digital Scroll compressor and up to 7 single stage compressors The control target is to maintain the suction pressure at a defined value by varying the available compressor capacity Network ECD 000 EC3 65x For the measurement of the common suction pressure and the optional discharge pressure two PT4 pressure sensors 2 3 with 4 20mA interface can be connected to the controller The rack controller has eight relay outputs to command the compressors 9 Eight digital inputs for 24V AC DC or 230V AC are available for the compressor serial alarms 4 plus one for low pressure alarm 5 one for high pressure alarm 6 one for oil level alarm 7 and one for refrigerant level alarm 8 To control the discharge end temperature of the Digital Scroll compressor a temper2. Do not over tighten as mounting lugs will break easily ir t MTT LU iLL I aS EMERSON Cutout 71 x 29 mm PCN 865027 06 03 2009 amp EMERSON Electrical Installation Refer to the electrical wiring diagram below for electrical connections A copy of this diagram is labeled on the controller Use connection wires cables suitable for 90 C operation EN 60730 1 Ground the metal housing with a 6 3mm spade connector Important Keep controller and sensor wiring well separated from mains wiring Minimum recommended distance 30mm Warning Use a class II category transformer for 24VAC power supply EN 60742 Do not ground the 24VAC lines We recommend to use one transformer per EC3 controller and to use separate transformers for 3 party controllers to avoid possible interference or grounding problems in the power supply Connecting any EC3 inputs to mains voltage will permanently damage the EC3 Setup and Parameter Modification Using the Keypad of the ECD 000 For convenience an infrared receiver for the optional IR remote control unit is build in enabling quick and easy modification of the system parameters when a computer interface is not available Alternatively the parameters can be accessed via the 4 button keypad The configuration parameters are protected by a numerical password The default password is 12 To select the parameter configuration e Press the PRG button for more than 5 sec
3. time higher than run limit n4 Compressor 4 operating time higher than run limit n5 Compressor 5 operating time higher than run limit n6 Compressor 6 operating time higher than run limit n7 Compressor 7 operating time higher than run limit n8 Compressor 8 operating time higher than run limit El to E8 nl to ng oL Oil receiver level alarm Oil level detection from digital input rL Refrigerant level alarm Refrigerant level detection from digital input Er Data error out of range Data send to the display is out of range Messages No data The display will show an at node start up when no data is send to the display or when the display is disabled In Configuration data initialization The display will show an In when the configuration data are initialized with the factory default values Id Wink request received The display will show a flashing Id when the wink request was received The node will receive the flashing Id will be shown on the display until the service button will be pressed or a 30 min delay timer will expire or a second wink request oF Offline The node is offline no application is running This is the result of a network management command an will happen Controller disabled waiting for restart After a major change of the configuration parameter the rack controller is disabled for 20 seconds After this delay the controller restart automatically Emerson Electric Gm
4. to controller only via TCP IP network possible 1 Keyboard enabled 2 IR remote control enabled 3 Keyboard and IR remote control enabled 3 IRaccesscode o 5 Password These values have a resolution of 10 000 hours on the local display Example a value 2 means 2 000 hours EC3 652_ 65147 EN ROlI doc PCN 865027 06 03 2009 EC3 652 Rack Controller and ECD 000 Display Unit EMERSON Operating Instructions Alarm Codes HP General alarm HP High pressure signal from digital input LP General alarm LP Low pressure signal from digital input hP Limit violation suction side Suction pressure higher than the maximum limit IP Limit violation suction side Suction pressure lower than the minimum limit EP Sensor failure suction side Suction pressure sensor failure Ed Sensor failure condenser Discharge pressure sensor failure Fr Fast recovery suction low Fast recovery from low suction pressure hr Fast recovery condensing High discharge pressure recovery di Discharge temperature alarm 1 Discharge end temperature from compressor 1 is to high Serial alarm E1 Digital input associated with compressor 1 has changed into alarm state safety chain E2 E3 E8 Digital input associated with compressor 2 3 8 has changed into alarm state safety chain Service alarm compressor nl Compressor 1 operating time higher than run limit n2 Compressor 2 operating time higher than run limit n3 Compressor 3 operating
5. 80 C Applies if C4 2 amp F5 2 Temp 1 for Digital Scroll Dynamic based on settings Temp 1 input discharge 1 1 MQ 25 C 50 150 C Temp ambient NTC 10 kQ 25 C 50 50 C Compressor output relays Inductive AC15 250V 2A 8x General alarm output Resistive AC1 250V 8A Digital scroll output Semi conductor switch 24 230 VAC 2A A The coil must be rated for the voltage applied to the input ECD 000 Display Unit 2 digit red LED with decimal point reversible between C and F LED indicators Controller 1 Controller 2 p bar Alarm IR status Temp amp Humidity Identical to EC3 652 specifications above IP65 front protection with gasket Connecting cable ECC N10 1m ECC N30 3m ECC N50 5m or CATS cable with RJ45 connectors Mounting The EC3 652 can be mounted onto a standard DIN rail 72 D f The ECD 000 can be mounted in panels with a 71x29 mm cutout See dimensional drawing below for space requirements including rear connectors Push controller into panel cutout 1 Make sure that mounting lugs are flush with outside of controller housing Insert allen key into front panel holes and turn clockwise Mounting lugs will turn and gradually move towards panel 2 Turn allen key until mounting lug barely touches panel Then move other mounting lug to the same position 3 ON f Tighten both sides very carefully until display is secured
6. E Compressor enable 8 flag These values have a resolution of 10 sec on the local display Example a value 2 means 20 sec Mie ries EIES MER oji KAEA Lo ka 0 5 0 c APPLICATION PARAMETERS Custom cl Number of compressors J i s 8 c3 Compr control mode 0 P mode 3 2 k 1 PI mode 2 dead band mode PPE E 3 binary mode c4 Compressor 1 control mode 0 1 flag 2 0 in standard control loop 1 act as base load compressor 2 act as modulating capacity single stage c5 Compressor rotation i FILO logic First In Last Out 1 FIFO logic First In First Out c6 Sensor fail 7 number of compressors in case of sensor failure Condensing pressure 0 not available 1 available r SENSOR PARAMETERS 10 Suction sensor 0 1 0 50 bar 08 ri Suction sensor 100 1 0 50 bar 7f 12 Suction sensor offset 1 0 1 0 bar 0 0 13 Discharge sensor 0 1 0 50 bar 0 0 14 Discharge sensor 100 1 0 50 bar 30 15 Discharge sensor offset 10 10 bar 0 0 r6 Refrigerant 7 3 0 R22 3 R 404A 1 R 134a 4 R 407C 2 R 507 5 R 410A 6 R 124 7 R 744 F MODULATING PARAMETERS Compressor min capacity Compressor max capacity 2 3 i F5 Analogue output mode for Comp 1 2 0 or 1 0 10V 2 PWM digital F6 PWM cycle time 10 20 sec 10 H OTHER PARAMETERS ECD Display access 0 all disabled Caution access
7. ature input is available 1 When used the Digital Scroll Compressor operates as the base load compressor with capacity modulation being achieved by temporarily unloading the compressors scroll sets with the Pulse Width Modulated PWM signal 10 which controls the compressor unloading valve The optional ECD 000 Display Unit can be connected to the EC3 652 for local display of control parameters and for controller setup without the use of a PC Because the EC3 652 is fully functional without display unit the ECD 000 may be removed at any time A Safety instructions Read installation instructions thoroughly Failure to comply can result in device failure system damage or personal injury The product is intended for use by persons having the appropriate knowledge and skills Ensure electrical ratings per technical data are not exceeded Disconnect all voltages from system before installation Keep temperatures within nominal limits e Comply with local electrical regulations when wiring EC3 652_ 65147 EN ROlI doc Technical Data EC3 Series Controller Power supply 24VAC 10 0 5A 50 60Hz Class II 6 3mm spade earth connector 20VA max Communication TCP IP Ethernet 10MBit s Plug in connector size Removable screw terminals wire size 0 14 1 5 mm Temperature storage 20 65 C operating 0 60 C 80 r h non condensing Pressure transmitter inputs 4VDC 4 20mA NTC 86kQ 25 C 40 1
8. bH amp Co OHG is not to be held responsible for erroneous literature regarding capacities dimensions applications etc stated herein Products specifications and data in this literature are subject to change without notice The information given herein is based on technical data and tests which ALCO CONTROLS believes to be reliable and which are in compliance with Visualising Data WebPages A TCP IP Controller Readme file is available on the www emersonclimate eu website to provide detailed information about TCP IP Ethernet connectivity Please refer to this file if you need information beyond the contents of this instruction sheet The EC3 652 has a TCP IP Ethernet communication interface enabling the controller to be directly connected to a PC or network via the standard Ethernet port The EC3 652 controller has embedded WebPages to enable the user to easily visualise the parameter lists using real text labels No special software or hardware is required Connect the EC3 652 using the optional ECX N60 cable assembly to a network or hub that enables the controller to receive a dynamic TCP IP address If a DHCP server is not available the controller can be connected to a computer using a crossover cable plugged directly into the Ethernet port In this case the TCP IP address of the computer must be manually modified to be compatible with the default address of the controller Refer to the TCP IP Controller Readme file for more details Ope
9. charge pressure recovery P9 ischarge recovery step t TIME PARAMETERS Integration time 30 tI Time delay before adding capacity 0 99 10sec 6 12 Time delay before removing capacity 0 99 j10se o t3 Compressor min on time 0 9 10sec 6 t4 Compressor min off time 0 99 10sec 6 a PEET O number of switching unrestricted A ALARM PARAMETERS AO Alarm delay LP 99 jos o AI Alarm delay HP 0 99 jos o A2 Suction alarm min limit 10 50 bar 10 A3 Suction alarm max limit 10 50 bar 60 A4 Alarm delay suction min limit 0 9 10sec o A5 Alarm delay suction max limit 0 99 10sec o A6 Maximum discharge temperature 50 150 C_ 130 A7 Maximum discharge temperaturedelay 99 3 A8 Alarm delay serial alarm compr 0 99 10sec o Apn service interval Kk 10 000 E im hr u STEP ENABLE PARAMETERS u0 Comp service interval reset 0 do nothing 1 reset operating time compressor 1 2 reset operating time compressor 2 3 reset operating time compressor 3 4 reset operating time compressor 4 5 reset operating time compressor 5 6 reset operating time compressor 6 7 reset operating time compressor 7 8 reset operating time compressor 8 9 reset operating time all compressors ul Compressor enable 1 0 disable 1 enable Compressor enable 4 Compressor enable 6 u7 Compressor enable 7 R
10. e together for more than 5 seconds A flashing 0 is displayed e Press a or he until the password is displayed default 12 If password was changed select the new password e Press SEL to confirm password A Qis JAD and the Special Function mode is activated e Press to select the function The number of special functions is dynamic and controller dependent See list below e Press SEL to activate the function without leaving the special function mode e Press PRG to activate the function and leave the special function mode Most of the Special Functions work in a toggle mode the first call activates the function and the second call deactivates the function The indication of the function can only be displayed after exiting the special function mode e 0 Display test function e 1 Displays the current TCP IP address e 2 Set the controller s TCP IP address to 192 168 1 101 default value This change is only temporary A power down will reset the previous address e 3 Resets all parameters to the factory default setting The controller will indicate oF during the reset Display of Data The data to be permanently shown on the display can be selected by the user parameter 1 In case of an alarm the alarm code is displayed alternately with the selected data The user can inhibit the alarm code It is possible to temporarily display these values This is a useful feature when initially setting up the system without
11. g file can be imported into a standard spreadsheet program such as Excel Refer to the TCP IP Controller Readme file for a complete description of the features available for the TCP IP series of controllers technical knowledge of today It is intended only for use by persons having the appropriate technical knowledge and skills at their own discretion and risk Since conditions of use are outside of ALCO S control we cannot assume any liability for results obtained or damages occurred due to improper application This document replaces all former versions Emerson Electric GmbH amp Co OHG Postfach 1251 HeerstraBe 111 D 71332 Waiblingen Germany Phone 49 0 7151 509 0 Fax 49 0 7151 509 200 www emersonclimate eu EC3 652_ 65147 EN ROlI doc 4 4 PCN 865027 06 03 2009
12. mpressor 4 Compressor 6 High discharge pressure recovery i Nam Add capacity reqeest Remove capacey request Anaiog Command Delayed capacity request Caci Baso 4 J Panj BF QTM IOD SG Hamoronot A meretovioe B towne 4 a AE ES The Monitoring and Alarm WebPages are read only and therefore it is not necessary to enter a username or password A username and password will be requested upon the initial request to any of the other WebPages The factory default settings are Username EmersonID Password 12 The default settings may be modified in the Display configuration page Press the tabs at the top of the Monitoring page with a left click of the mouse button to enter the respective Webpage The parameters will be visualised in real text together with the program code as defined in the parameter list below After the parameters have been modified the complete list of settings can be saved to the memory of the computer and used later to upload into another controller This can save a considerable amount of time when using multiple controllers and over a period of time a library can be created containing the parameter lists for equipment for different applications It is also possible to display live graphical data from the controller In addition a permanent 30 days log file containing the control temperature at 15 minutes intervals is stored in the non volatile memory to be later transferred using FTP to the computer The lo
13. n the Internet browser program on the computer and enter the default TCP IP address of the controller into the address line of the Internet browser 192 168 1 101 or the dynamic address from the DHCP server Refer to the TCP IP Controller Readme file if a specific port is required After a few moments the default monitoring page should be displayed If the browser does not open the default page or display active data the user should check the Internet browser Option configuration Refer to the TCP IP Controller Readme file tC 3 652 Rev 114 Web Configuration and Monitoring Wiedows leternet fxplerer 2 8 x Goe wre as SIGE Pl Pie D Wee Fevortes Took eb Google C sie OE Q komie dded hoe yanuk o gt tends eroto wo B EC3 652 Rev 114 Web Configuraten and Monitoring pe m Page Too Mena ae M Sensor Appkcation Setpowt arm Actuator Osplay Marsa TOPAP SnEnCS Configurahon Configuration Configuration Configuration Configuration Configuration Control Configuration Monitor Compressor comboter Oisemarge pressure and temperature Temperature Sensors Sucton pressure hs bar Discharge pressure fess bar Disch 1 hierar Amwient herer Sepont feo bar Temperaire 574 c Temperaire Basa Current States Acre Comerestors Cont c ler Osabled Priceity start set Compressor 1 Compressor 5 Umeepency sop Pricey stop set Compressor 7 Compt essce 6 Emergency run Set cont sred Compressor 3 Compressor 7 F ast recovery Co
14. onds A fal 0 is displayed e Press until 12 is displayed password e Press SEL to confirm password The first modifiable parameter code is displayed 1 To modify parameters see Parameters modification below Parameter Modification Procedure e Press 4 or be to show the code of the parameter that has to be changed e Press SEL to display the selected parameter value e Press EJ or be to increase or decrease the value e Press SEL to temporarily confirm the new value and display its code e Repeat the procedure from the beginning press L or eiro show To exit and save the new settings e Press PRG to confirm the new values and exit the parameters modification procedure To exit without modifying any parameter e Do not press any button for at least 60 seconds TIME OUT e Press ESC on IR remote control Wiring Diagram controller label Lnn CE AC Supply Digital Scroll Les Comp 1 a eA EC3 652 TCPIP E ECD 000 S PCN 807 534 EMERSON Rack Controller 8 DIGI Climate Technologies Rev 42010001 MAC Address 00 04 F6 FF 00 1E Dischi nia DI 1 8 24 V 230 V DI 9 12 24V Serial darm t DO 8 2 A 250 V SL sane Hz SA Made in Germany EC3 652_ 65147 EN _R01 doc EC3 652 Rack Controller and ECD 000 Display Unit Operating Instructions Special Functions The Clear Alarm function has been replaced by the Special Functions mode The Special Functions can be activated by e Press a and b
15. the aid of the WebPages Press the SEL button to scroll through all possible displayable data The display will show for one second the numerical identifier of the data see 1 parameter and then the selected data After two minutes the display will return to the by parameter 1 selected data This action is only valid when parameter H2 3 IR Status Compressor 8 On Compressor On Compressor 7 On 5 Compressor 2 On Controller 1 LED Service LED Controller 2 LED Pressure LED Alarm LED Compressor 6 On Compressor 3 On Compressor 5 On Compressor 4 On only active when service pin is pressed Lael Comp 2 Les Comp 3 Les Comp 4 Les pet Comp 6 Lael Comp 7 Les Comp amp jh General Alarm Comp Inv e HH a T C nia Serial alarm C2 2 4 Ambient nia na Sut Disch Press Press Serial alarm C7 Serial alarm C8 Serial alanm C3 Serial alarm C4 Oil lewel alarm Ref level alarm 06 03 2009 PCN 865027 EC3 652 Rack Controller and ECD 000 Display Unit EMERSON Operating Instructions List Of Parameters DISPLAY PARAMETERS 1 Value to show 0 Compressors states 1 Suction pressure bar 2 Suction temperature C calculated from suction pressure 3 Condensing pressure bar 4 Condensing temperature C calculated from discharge pressure 5 Digital Scroll capacity P SET POINT PARAMETERS PO Suction pressure set point Suction band Suction shift max P8 High dis
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