EC3-332 Coldroom Controller and ECD-001 Display Unit
Contents
1. EC3 332 Coldroom Controller and ECD 001 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 He tae al ar P pE EENEN agt The EC3 332 is a dedicated controller for refrigerated coldrooms with superheat control and a driver for an Alco Controls Electrical Control Valve EX4 EX8 In addition the EC3 332 controls air temperature and manages defrost and fan s Network ENEE Ba TD ae a a A PT4 pressure transmitter 4 and an ECN Pxx pipe temperature sensor 1 measure saturated suction gas pressure and suction gas temperature at the evaporator outlet and feed the signals into the superheat control loop The superheat controller output modulates the opening of the EX4 EX8 Electrical Control Valve 11 thus optimising the refrigerant mass flow through the evaporator The ECN Sxx air temperature sensor 2 measures air in temperature at the evaporator and feeds a signal into the air temperature thermostat The ECN Fxx fin sensor 3 is used for defrost termination Digital input 5 should be connected to the serial control loop of a compressor where applicable and digital input 6 should be connected to the coldroom door contact The controller has 4 relay outputs to control the compressor 7 defrost heater2. 8 evaporator fan 10 and an external alarm device 9 Please consult the technical data right for input and output ratings The EC3 332 features an integral backup battery to close the electrical control valve in case of power loss Due to the positive shut off characteristics of the EX4 EX8 Electrical Control Valves a liquid line solenoid valve is not needed to prevent flooding of the compressor The optional ECD 001 Display Unit 13 can be connected to the EC3 332 for local display of control parameters and for controller setup without the use of a PC Because the EC3 332 is fully functional without display unit the ECD 001 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 e Disconnect all voltages from system before installation e Keep temperatures within nominal limits e Comply with local electrical regulations when wiring e The EC3 series contains a lead acid gel rechargeable battery The battery must NOT be disposed of with other commercial waste Instead it is the users responsibility to pass it to a designated collection point for the safe recycling of batteries harmonised directive 98 101 EEC For further information contact your local e
3. EX8 Valve scaling factor uF 100 max valve opening 100 ECD display 100 uF 50 max valve opening 50 ECD display 100 termination by temperature will generate an alarm Logic for alarm relays activated first what ever comes first time or temperature no alarm 0 positive logic 1 negative logic last by time and temperature no alarm Logic for compressor relays activated 0 positive logic 1 negative logic Logic for heater relays activated 0 positive logic 1 negative logic Logic for fan relays activated 0 positive logic 1 negative logic H OTHER PARAMETERS Display access 0 all disabled Caution access to controller only via TCP IP network 1 Keyboard enabled 2 IR remote control enabled Pulsed defrost 0 off no pulsed defrost heaters switched off at defrost termin 02 ation temperature dt or max time dP whatever is selected la 1 on pulsed defrost dd and dH in use heaters are switched off at 3 dH and switched on again at dH dd Defrost at startup _Q no l yes 0 1 0 Delay power up defrost O 180 min of Pump down delay 0 180 sec Compressor will run during pump down delay while valve is closed d7 Drain delay of is min 2 Injection delay 0 180 sec 0 Valve is open during injection delay while compressor is not running 3 Keyboard and IR remote control enabled s iRaccesscode Jopo Jo o e Password 199 EC3 332_65102_EN_R11 do
4. Fan Defrost Alarm IR status Temp amp Humidity Identical to EC3 332 specifications above IP65 front protection with gasket Connecting cable ECC N10 1 0m or CATS cable with RJ45 connectors Mounting The EC3 332 is designed to be mounted onto a standard DIN rail Mounting position on vertical walls with stepper motor connector on top side only 73 137 iaa ess 63 The ECD 001 can be mounted in panels with a 71 x 29 mm cutout See dimensional drawing below for space requirements including rear connectors Push controller into panel cutout 1 S 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 4 A mi move towards panel 2 Turn Allen key until mounting lug barely touches panel Then move other mounting lug to the same position 3 Tighten both sides very carefully until controller is AA gt iJ 3 4 secured Do not over tighten as mounting lugs will break easily EMERSON Tame e O A Cutout 71 x 29 mm A PCN 864 933 26 06 2009 a EC3 332 Coldroom Controller and ECD 001 Display Unit EMERSON Operating Instructions Electrical Installation Refer to the electrical wiring diagram below for electrical connections A copy of this diagram is labeled on the controller Use connection wire
5. all parameters to the factory default setting The controller will indicate oF during the reset and the valve will close 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 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 LED Logical status of compressor relay Ethernet activity LED only active when service pin is pressed Logical status of fan relay Logical status of defrost heater relay Alarm condition 2 4 PCN 864 933 26 06 2009 EC3 332 Coldroom Controller and ECD 001 Display Unit EMERSON Operating Instructions List Of Parameters DISPLAY PARAMETERS Min Max Unit Def Custom 1 Value to show 0 Thermostat control temperature with Temp alignment C dH Pulsed defrost setpoint 40 dt oC a a dt Defrost termination temperature 40 90 e fe f 2 Coil in temperature C calculated from the pressure AP lia de
6. for use by persons having the appropriate technical knowledge and skills at their own discretion and risk Since conditions of use are outside of EMERSON 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 332 65102 EN R11 doc Replacement for Rev 10 4 4 PCN 864 933 26 06 2009
7. see diagram on page 1 ECN Pxx coil out temperature sensor 1 Position directly after the evaporator on the common suction line as shown below Insure proper thermal contact by using a metallic pipe clamp or temperature resistant plastic straps Do not use standard plastic tie wraps as used for electrical wiring as they may become loose over time which could result in faulty temperature measurements and poor superheat control performance It is recommended to insulate the coil out temperature sensor with ARMAFLEX or equivalent The recommended position of the pipe sensors is between 9 and 3 o clock as shown in the picture EC3_ColdDat cdr PT4 07M suction pressure transmitter 4 Position on the common suction line close to coil out temperature sensor 1 ECN Sxx air temperature sensor 2 Should be mounted on spacers in the middle of the air duct so that there is airflow around and positioned on the inlet of the evaporator as high as possible close to the ceiling ECN Fxx fin temperature sensor 3 Position on the evaporator asymmetric closer to the expansion valve Setup and Parameter Modification Using the Display Unit ECD 001 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 prot
8. 1 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 ica TIF Rew bb Web Condigur ation and ioni oring arroso internet laper gt ale ij Pis fat View foibe Tote Hap El e amp a a y B M Typ Ese hios meh Feie lisbon Pand Pet Dit ioe Addrers viz 1a 2 von B em rig any Compressor Debost Fan Theemostat Evaporator Despli TOR Marear Algerrit amita sanpa rapa Pty condiguration bhgui coniguntion configueaian configerstion configuration onigun Configuration Monitor ubput piston ipi rites Caran dle Compre i Aas Compr ena ME m naaa i fm r r Treep a cont pier Ceira cartroier DEHER cio dur Tesapenstune wiz rn Tamper mtu a Coll irs Tespa Ear e CH in Temperature fima a Cerom Duns he Preps har bwp Deiros sahus Dai Cu Temperaire E ty Tal tad Tanpere m T Crols Amie a ih Pump orem Suaren TEH E erential tate beara i mom ie Grain daw Eurassa Serart 7 E Coning cour Vator Operang ET ks ig uatreg veer ato situa ight opman Controller on Allan rr brite Tolg Tering Mocuatirng eer oper Pulsa diront Adepires opani wT iyus aiurea En at EMERSON Pj E ier
9. Glide positive values Pressure drop negative values u2 MOP control 1 0 MOP off 1 MOP on r3 Day night control 0 off 1 on 0 1 i r4 Thermostat mode o 4 1 off no thermostat function continues cooling air in sensor monitoring off no temp alarms generated 1 cooling deadband control cutin set point difference cut out set point 2 cooling modulating thermostat cutin set point cut out set point difference 2 3 heating deadband control cutin set point difference cut out set point 4 on external control using nvi Valve via SNMP Air sensor monitoring off Temperature alarms will be generated Setpoint day d DEFROST PARAMETERS Defrost mode 0 natural defrost defrost heater not activated pulsed defrost not possible forced defrost defrost heater activated pulsed defrost possible forced defrost defrost heater activated pulsed defrost possible defrost termination using nviStartUp dl Termination by termination by temperature termination by time will generate an alarm il Logic for door contact input 0 l termination by time 0 24V means door open 1 0V means door open 0 1 MOP temperature 40 40 0 Superheat mode 4 1 0 off 1 fixed superheat 2 adaptive superheat Rev gt 130 3 fixed superheat slow 4 adaptive superheat slow u5 Superheat init setpoint Superheat setpoint max 3 7 ut Valve type 0 0 EX4 EX5 1 EX6 2 EX7 3
10. and data in this literature are subject to change without notice The information given herein is based on technical data and tests which EMERSON believes to be reliable and which are in compliance with technical 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 332 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 332 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 332 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 Open 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 10
11. c Replacement for Rev 10 3 4 PCN 864 933 26 06 2009 a EC3 332 Coldroom Controller and ECD 001 Display Unit EMERSON Operating Instructions Remarks r0 Door contact function on on ao ta O S Lew oon of P3 o of foo 4 12 o n dooralam O a on_ door alarm _ _ door alarm and temperature alarm on P ar ator darm an temperate alarm or 13 off _on__ door alarm and cooling on _ _ T door alarm and cooling on and temperature alarm on Alarm Codes E0 Pressure transmitter alarm EI Coil out sensor alarm E2 Air sensor alarm E3 Fin sensor alarm No sensor connected or the sensor and or the sensor cable is broken or short circuited Er Data error display out of range Data send to the display is out of range Ab Battery health failure Battery potentially does not have enough charge to close valve in an emergency Only reset by replacing battery Replacement kit 807 790 A AC The use of the relay is essential to protect the system in case of power failure if the communications interface or the ECD 002 are not utilized Alarm status of the compressor serial loop feedback External compressor is active Serial safety loop is open circuit Ad Door open alarm AE Thermostat emergency operation Air sensor failure system is in continuous cooling mode AF Valve Status Valve closed due to compressor safety loop active AH High temperature alarm AL Low temperature alarm AM ECV connection er
12. e 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 log 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 knowledge of today It is intended only
13. ected by a numerical password The default password is 12 To select the parameter configuration e Press the PRG button for more than 5 seconds a flashing 0 is displayed e Press 4 or be until the password is displayed default 12 if password was changed select the new password e Press SEL to confirm password The first modifiable parameter code is displayed 1 To modify parameters see Parameters modification below EC3 332_65102_EN_R11 doc Replacement for Rev 10 Parameter Modification Procedure e Press a 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 a 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 or beiro 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 Do not press any button for at least 60 seconds TIME OUT e Press ESC on IR remote control Defrost Activation A defrost cycle can be activated locally from the keypad e Press the IM button for more than 5 seconds a flashing 0 is displayed e Press a or be until the password is displayed default 12 e Press SEL to confirm password The defrost cycle is activated Special Functions T
14. he Clear Alarm function has been replaced by the Special Functions mode The Special Functions can be activated by e Press L and M together for more than 5 seconds a flashing 0 is displayed e Press EJ or M until the password is displayed default 12 If password was changed select the new password e Press SEL to confirm password a 0 is displayed and the Special Function mode is activated e Press a or he 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 Clear alarm messages e 2 Cleaning mode The cleaning mode is effectively a manual defrost with the option of the fans on off The cleaning mode should not be used in order to isolate the application for maintenance purposes 3 Fans only 4 Set the electronic control valve to 100 open 5 Displays the current TCP IP address 6 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 7 Resets
15. mod duration 0 ea as one dI Defrost interval 92 Th 8 aes Start up delay after synch 0 180 min 30 5 Valve opening in 6 Displays defrost status F FAN PARAMETERS Alarm suppression 0 o0off l on 0 Fl Fan startup by 0 on o 4 0 Temperature Unit 0 C 1 F om 1 delayed by time Fd error on temperature 2 by temperature Ft error on time 6 Decimal point 0 yes 1 no OF l p y 3 first whatever comes first time or temperature no alarm ECD display during defrost 0 4 last time and temperature must come no alarm Fan during no cooling 0 dF defrost mode 1 dF defrost termination temp 2 dF control temperature C Temperature alignment for 1 0 20 0 20 0 K 0 0 A ALARM PARAMETERS Low temp alarm delay High temp alarm delay Alarm delay after defrost 0 on 1 off 2 delayed by F4 3 off when door open F3 Fan during defrost O onl o 0 1 Jop Fa Stiop deyim ooo min o F5 l 0 Fan during cleaning O off l on 0 Fa Fan delay afier deros o 30o mm o0 i e 40 40 c 0 AH High temp alarm limit C COMPRESSOR PARAMETERS CO Delay first start after power up 0 15 min 0 e aa CrfCyceime Jof i min o C2 Min stoptimeit TO TS min OT C3 Min run time 0 15 min 0 u SUPERHEAT PARAMETERS u0 Refrigerant 0 R22 1 R134a 2 R507 3 R404A 4 R407C 5 R410A 6 R124 7 R744A Correction glide dp 20 0 20 0 K
16. nvironmental recycling centre EC3 332 65102 EN R11 doc Replacement for Rev 10 Technical Data EC3 Series Controller Power supply 24VAC 10 50 60Hz Class II 6 3mm spade earth connector Power consumption 25VA max including EX4 EX7 28VA max including EX8 Communication RJ45 TCP IP Ethernet 10MBit s Plug in connector size Removable screw terminals wire size 0 14 1 5 mm Ambient temperature range 0 60 C 1 25 C for best battery life time gt 35 C battery life time lt 2 years A order to provide system protection in the event of power loss it is recommended to change the battery annually Humidity 0 80 r h non condensing Protection class IP20 24VDC 4 20mA 4 20 mA Analog output For connection to any 3 party controller with 12 24VDC power supply and appropriate burden Deviation from input signal 8 max Digital Inputs 24V AC DC Output relays 4 Inductive AC15 250V 2A Alarm Comp SPDT contacts AgNi resistive AC1 250V 8A Heater Fan SPST contacts AgNi resistive AC1 250V 6A If the alarm relay is not utilized the user must ensure appropriate safety precautions are in place to protect the system against damage caused by a power failure Stepper motor output For EX4 EX8 Electrical Control Valves ECD 001 Display Unit Power Supply From EC3 332 via connecting cable Display 2 4 digit red LED with decimal point switchable between C and F LED indicators Compressor
17. ror Check connections to EX4 8 Electrical Control Valve Ao Superheat emergency operation Sensor s failure Au Valve open 100 for more than 10 minutes dt Forced defrost termination time or temperature Ft Forced fan startup time or temperature Messages No data to display The display will show an the display In Reset to default values activated The display will show an In when the factory default configuration data set is initialized Id Wink request received The display will show a flashing Id when the wink request was received 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 is received This function is action only when using SNMP protocol Node is offline The node is offline and no application is running This is the result of a network management command and will happen for example during node installation dS Defrost standby dP Pump down df Defrost cycle dd Defrost drain delay dI Defrost injection delay du Defrost start up delay Cn Cleaning CL Alarms are cleared IPO IP adress received from DHCP Server IP2 no IP adress received from DHCP Server or fixed IP adress at node start up and when no data is send to OF Emerson Electric GmbH amp Co OHG is not to be held responsible for erroneous literature regarding capacities dimensions applications etc stated herein Products specifications
18. s cables suitable for 90 C operation EN 60730 1 Ground the metal housing with a 6 3mm spade connector bared bape 1 c 2 1 c 2 1 cli c f sven comp AAA HEATER FAN Led DIGITAL OUTPUT 8 2 A 250 V STEPPER MOTOR WH BK BL BN for M12 type connector 1 3 2 for PG type commector S EC3 332 TCP IP CE PCN 807632 Coldroom Controller EX4 5 6 7 8 Rev 16070001 MAC ADDRESS 00 12 04 FO 05 3F Made in Germany DIGITAL OUTPUT 6 2 A 250 V EMERSON Climate Technologies SUPPLY DIGITAL INPUT 24V 4 20mMA TEMPERATURE rA E Fa IN i 2 3 50 60 Hz comp SUCTION COIL DEFROST SUCTION 1A SAFETY DOOR PRESSURE OUT AIR TERM PRESSURE D O 4 20mMA OUT EC3 analog inputs are for dedicated sensors only and should not be connected to any other devices Digital inputs should only be connected to 24VAC DC Connecting any EC3 inputs to mains voltage will permanently damage the EC3 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 61558 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 Recommended Sensor Positions for Cold Room Applications
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