Emerson Copeland EazyCool OME-4MTL-09X, Application Manuallines

Page 1: ...Copeland Eazycool CO2 Refrigeration Units Application Guidelines ...

Page 2: ...7 2 Electrical cabinet 8 2 7 3 Liquid receiver 9 2 7 4 Fan 9 2 7 5 Condenser gas cooler regulation valve HPV 9 2 7 6 Flashgas bypass valve BPV 9 2 7 7 Housing 10 2 7 8 Exploded view of the CO2 unit 11 2 7 9 P I diagram for CO2 units 12 2 7 10 Design pressures 12 2 8 CO2 Unit control General 13 2 8 1 iPro IPR215D controller description 14 2 8 2 Visograph display description 14 2 9 How to use the iP...

Page 3: ...n contactor and circuit breakers 29 2 12 Compressor safety 30 2 12 1 Compressor motor protection 30 2 12 2 High pressure safety type approved pressure limiter 30 2 12 3 High pressure safety control 30 2 12 4 Pressure relief valve High pressure side 31 2 12 5 Pressure relief valve Liquid receiver 31 2 12 6 Low pressure safety control 32 2 13 Oil level monitoring device OW5 TraxOil 33 3 Installation...

Page 4: ...fan safety grid 46 5 1 4 To access the inner parts of the condenser gas cooler 46 5 2 Replacing a compressor 47 5 3 Condenser fins 47 5 4 Electrical connections 48 5 5 Routine leak testing 48 5 6 Condenser fan motor 48 6 Certification approval 48 7 Dismantling disposal 48 DISCLAIMER 49 Appendix 1 Alarm menu iPro IPR215D controller 50 Appendix 2 Temperature resistance curve for NTC 58 Appendix 3 Te...

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Page 6: ... the Manufacturer s Declaration available at www climate emerson com en gb These instructions should be retained throughout the lifetime of both the compressor and the refrigeration unit You are strongly advised to follow these safety instructions 1 1 Icon explanation WARNING This icon indicates instructions to avoid personal injury and material damage CAUTION This icon indicates instructions to a...

Page 7: ...ower supply side WARNING High surface temperature Burning Do not touch the compressor or piping until they have cooled down Ensure that other materials in the area of the compressor do not come into contact with it Mark and secure accessible sections CAUTION Overheating Bearing damage Do not operate compressors without refrigerant charge or without being connected to the system CAUTION Contact wit...

Page 8: ...g units and process chillers requires manufacturers to decrease the energy consumption of their products by establishing minimum energy efficiency standards Copeland brand products condensing units are prepared and optimized to meet the requirements of the Ecodesign Directive The integrated variable speed fan and condenser reduce the noise level and energy consumption significantly This combined w...

Page 9: ...2 OME 4MTL 09X 7 4 14 65 16 27 Cooling capacity declared at ambient temperature 32 C evaporating temperature 10 C suction temperature 0 C and compressor frequency 50 Hz Table 1 CO2 unit technical data Refrigeration unit Outer dimensions length width height with closed cover mm Weight kg Liquid receiver size litres OME 4MTL 05X 1579 954 1109 440 24 9 OME 4MTL 07X 450 OME 4MTL 09X 462 Table 2 CO2 un...

Page 10: ...r as well as nominal power and safety pressures The compressor has its own nameplate with all electrical characteristics Figure 3 Nameplate of CO2 units 2 5 Nomenclature The model designation contains the following technical information about Copeland EazyCool CO2 refrigeration units Figure 4 Nomenclature of CO2 units ...

Page 11: ...scosity decrease Additional measures in system design might help to avoid unacceptable lubrication conditions For the application envelope please refer to Select software at www climate emerson com en gb 2 6 3 Recommendations for minimum suction superheat Lubrication conditions The operation of CO2 compressors units at conditions where the viscosity of the oil is low might become very harmful with...

Page 12: ...ces on the operation servicing and maintenance of a system working with R744 Gaseous R744 is 1 5 times heavier than air Therefore when released to the air it will concentrate at low elevations R744 will form dry ice at 56 6 C One kg of dry ice has the cooling capacity of 2 kg of ordinary ice Gaseous or liquid R744 stored under pressure will form dry ice through an auto refrigeration process if rap...

Page 13: ...l give an indication that there is oil on the inlet of the oil splasher All electrical wiring is pre assembled in the factory A pressure relief valve 135 bar is installed directly on the compressor A pressure cut out device is installed on the discharge side of the compressor in compliance with EN 378 requirements 2 7 2 Electrical cabinet The electrical cabinet is located on the edge above the com...

Page 14: ... V 200 277 Min to max ambient temperature C 35 to 60 ErP 2015 Yes IP class IP54 Fan motor type EC Fan blades Plastic Table 5 Fan technical data 2 7 5 Condenser gas cooler regulation valve HPV The high pressure regulation valve is installed between the condenser gas cooler and the liquid receiver It regulates the high pressure for optimum COP in transcritical operation The driver for the stepper mo...

Page 15: ... the pressure level in the flashtank area 2 7 7 Housing Copeland EazyCool CO2 refrigeration units have a new unique design They are equipped with an electrical cabinet located above the compressor chamber with a hinged cover for easy and service friendly access The electrical cabinet and the compressor area are accessible independently The fan has vertical air flow and is protected by a safety gri...

Page 16: ...C6 1 11 0718 0619 E 11 2 7 8 Exploded view of the CO2 unit Figure 12 Exploded view of the unit ...

Page 17: ...gh pressure limiter Table 6 Legend of the P I diagram for CO2 units 2 7 10 Design pressures IMPORTANT Piping design pressure Risk of CO2 blow off The CO2 unit liquid and suction line piping is designed for a design pressure Ps of 90 bar as pressures around 85 bar can occur during normal operation The installer must always consider the system liquid and suction lines in terms of maximum operating p...

Page 18: ... defined by the application envelope which can be found in Select software at www climate emerson com en gb 2 8 CO2 Unit control General Copeland EazyCool CO2 refrigeration units are equipped with an iPro controller IPR215D and a Visograph display The iPro controller manages the compressor variable frequency drive through 0 10V and a digital signal It also handles the high pressure regulation whic...

Page 19: ...tage of analog output for frequency compressor For frequency compressor Displays the percentage of the analog output driving the inverter 3 Suction pressure setpoint 4 Current value of suction pressure 5 Alarm Displayed when an alarm occurs in suction or gas cooler condenser section 6 Condensing pressure setpoint 7 Current value of condensing gas cooler pressure 8 Percentage of analog output for E...

Page 20: ...2 9 1 How to change parameters Press the PARAM key to access the programming menu Figure 17 iPro Parameter key The device provides 2 programming levels Pr1 with direct access press Pr1 to enter this menu Pr2 protected with a password password set to 12 by factory If the password function is enabled the following interface will be displayed when pressing the Pr2 key Figure 18 Password setting To en...

Page 21: ...ng mode scheduling OMS1 OMS21 44 XEV02 XEV1 XEV4 15 Alarms configuration AC1 AC2 45 M200 VFD1 VFD33 16 Compressor alarms AL1 AL21 46 M200 INV1 INV33 17 Fan alarms AL24 AL43 47 HTR HTR1 HTR4 23 Dynamic setpoint suction DSP1 DSP4 48 EPM EPM1 EPM18 24 Dynamic setpoint condenser DSP9 DSP11 49 Gas cooler heat reclaim HTRC1 HTRC13 25 Analog outputs 1 AO1_1 AO1_26 50 Gas cooler GC1 GC64 26 Analog outputs...

Page 22: ... XEV20 XEV02 ECM M200 and energy meter if these devices have been configured manage the log files execute evacuation etc The following sub menus are also available Probes CoreSense setup File management configuration Analog outputs CoreSense information ip mdb address configuration Output om Log file management Real time clock Loads status Update Visograph Language Digital inputs M200 status Passw...

Page 23: ...owing format Figure 24 iPro Loads status screen Digital output Factory setting Description Wiring diagram Function DOC1 C1 Inverter 1 suction Circuit 1 Compressor VF drive on Signal Run X1 71 70 RL1 OA1 DOC2 0 Not used X1 71 72 RL2 OA2 DOC3 0 Not used X1 71 73 RL3 OA3 DOC4 46 Alarm ALR1 Alarm Level 1 X1 80 76 RL4 OA4 DOC5 0 Not used ALR2 Alarm Level 2 X1 80 77 RL5 OA5 DOC6 0 Not used ALR General a...

Page 24: ...ad for regulation Press one of the following keys as per Figure 25 ENB to enable the load for regulation DISB to disable the load for regulation Regulation with some outputs disabled If some of the outputs are disabled they will be excluded from the regulation and regulation will be performed with the other outputs To display the running hours of a load The controller memorises the running hours o...

Page 25: ...ature alarm X1 43 DI4 DIC5 0 Not used VF drive under power NC Normally closed open if drive is not powered X1 44 DI5 DIC6 0 Not used Fan alarm Closed after power on open if fan alarm X1 DI6 DIC7 0 Not used Fan alarm 2nd input Closed after power on open if fan alarm X1 46 DI7 DIC8 0 Not used Operation mode Potential free contact controlled by user X1 47 DI8 DIC9 0 Not used X1 48 DI9 DIC10 0 Not use...

Page 26: ... suction line temperature NTC X1 7 5 NT6 55 AIC5 B5 Compressor suction line temperature NTC X1 7 6 NT6 55 AIC6 B6 Discharge line temperature PTC X1 7 10 S6H AIC7 B7 Gas cooler outlet temperature NTC X1 7 11 NT6 55 AIC8 B8 Oil temperature NTC X1 7 12 NT6 55 AIC9 B9 Ambient temperature NTC X1 7 13 NG6 AIC10 B10 Cabinet temperature NTC X1 7 14 NG6 Table 14 Probes overview NOTE The temperature resista...

Page 27: ...ing is required before starting the unit 2 9 13 Manual compressor run IMPORTANT Manual compressor runs are intended for maintenance purposes only Only qualified personnel and certified companies are allowed to perform a manual compressor run as it can force the compressor to operate outside of the approved envelope In any case special care shall be taken when performing one In particular never run...

Page 28: ...agement sub menu 3 Press the SET key 4 Use the UP and DOWN keys to select the Send parameters to Backup conf file sub menu 5 Press the SET key To load the parameters from the Backup conf file to the iPro rack 1 Enter the Load parameters from Backup conf file sub menu 2 Press the SET key The parameters will be loaded from the Backup conf file The iPro rack will reboot and the parameters will be rel...

Page 29: ... alarm s log menu NOTE This function is not available from the Visograph screen The iPro rack can store up to 1 MB of alarm data in a log file including the start and end dates of each alarm This file can be exported through the Dixell website integrated on a memory card or via the USB port using the Log file management sub menu To save the alarm log file into a USB key 1 Enter the Service menu 2 ...

Page 30: ...l very close to the critical point may result in a loss of capacity and unstable system behaviour This can be overcome by setting GC3 to a higher value 76 80 bar or by dynamic offset using parameters GC16 and GC17 2 10 1 Suction pressure control 2 10 1 1 Standard suction pressure control The setpoint for suction pressure control is parameter SETC1 the factory setting is 10 C SETC1 Compressor Circu...

Page 31: ...will never be lower than what parameter RC02 allows 2 10 3 Fan speed gas cooler control 2 10 3 1 Subcritical operation For gas cooler outlet temperatures typically below 27 C AIC7 GC1 GC2 the system operates in subcritical mode The CO2 refrigerant condenses inside the gas cooler condenser The condenser outlet temperature is read by the probe AIC7 which defines the fan speed The gas cooler valve HP...

Page 32: ...separated from the gas phase In high ambient conditions the amount of gas will increase due to the thermodynamic properties of CO2 Flashgas ratios of 50 or more are not unusual Typically the flashgas is removed to the compressor suction side to keep the pressures in the flashtank at acceptable levels Bypassing flashgas will reduce the mass flow coming from the cold rooms cabinets This necessary pr...

Page 33: ...eds The factory settings only consider a general compressor alarm Parameter AL09 Relay for temperature pressure compressors alarms and a general fan alarm both connected to ALR Alarm Factory setting Description Wiring diagram Function ALR1 ALR1 X4 80 76 ALR1 R4 ALR2 ALR2 X4 80 77 ALR2 R5 ALR3 ALR X4 80 78 ALR R6 ALR4 Reserved X4 80 79 ALR4 R7 ALR5 Reserved X4 80 81 ALR5 R8 PFC Potential free conta...

Page 34: ...on variable frequency drive M200 has been designed for applications that require flexible integration with systems via industrial Ethernet protocols and fieldbuses together with advanced RFC A open loop motor control Connection to RS485 networks using Modbus RTU allows for communication with the iPro unit controller The M200 frequency inverter uses the 0 10V input signal of the iPro controller to ...

Page 35: ...all times 2 12 2 High pressure safety type approved pressure limiter A type approved pressure limiter according to EN 12263 with automatic reset is installed on the compressor It is an Alco normally closed switch The pressure cut out is set to 114 bar and the cut in is set to 107 bar Figure 40 High pressure cut out device 2 12 3 High pressure safety control There are 3 pressure transmitters assemb...

Page 36: ... pressure Ps of the compressor is exceeded by 10 opening at 1 0 x Ps max capacity at 1 1 x Ps Figure 42 Pressure relief valve on high pressure side 2 12 5 Pressure relief valve Liquid receiver There are two pressure relief valves 90 bar on the liquid receiver connected on a changeover valve In case of refrigerant blow off this allows for easy replacement of the relief device without interruption o...

Page 37: ... Low pressure safety control As on discharge and liquid sides a suction pressure transmitter B1 AIC1 provides information about suction pressure to the system controller This value is used to evaluate the load requirement and to protect the unit system against low pressure on suction side Figure 45 Low side pressure transmitter ...

Page 38: ...ler to monitor and display the actual oil level with LEDs In case of low oil level and after a delay time of 120 seconds the OW5 will generate an alarm which will make the unit controller stop the compressor immediately This alarm can be displayed on the Visograph like any other alarm of the unit Figure 46 below depicts the sight glass level control zones Table 18 describes the LED code legend Fig...

Page 39: ...needs to be designed for the weight of the unit It might be necessary to install additional vibration absorbers between the unit and the ground to avoid the transmission of vibration to the rest of the building The place of installation should be sufficiently lit and should allow easy access for service and maintenance work In case of installation in a machine room standard EN 378 3 and all additi...

Page 40: ...by points marked with red arrows on pictures below Figure 49 Lifting points for CO2 units When lifting the unit with slings always use the spreader bar mounted above the unit to avoid squeezing the unit Figure 50 Lifting unit with slings and centre of gravity ...

Page 41: ...n sizes are adequate All interconnecting piping should be sized to satisfy the duty required IMPORTANT Piping design pressure Risk of CO2 blow off The CO2 unit liquid and suction line piping is designed for a design pressure Ps of 90 bar as pressures around 85 bar can occur during normal operation The installer must always consider the system liquid and suction lines in terms of maximum operating ...

Page 42: ...o assembly 5 Both tubes are extended from the condensing unit housing therefore Emerson recommends isolating the housing by using a wet cloth on the copper tubing 6 Use a double tipped torch Recommended brazing materials see Table 21 below and recommendations specific to K65 at http www wieland thermalsolutions com commonmedia content media en prospekte_2 gbrohre prospekte untersuchu ngsergebnisse...

Page 43: ...imultaneously 3 3 1 Power supply connections WARNING Electrical cabinet cover open Danger of electric shock Always make sure the electrical cabinet cover is properly closed before starting the unit The electrical connection of the refrigeration unit to the power supply must be made by qualified technicians in compliance with the valid electrical standards eg DIN EN 60204 1 Additionally the voltage...

Page 44: ...pace around the unit as shown in Figure 55 dimensions in red colour Both service access and airflow have been considered in making these recommendations Where multiple units are to be installed in the same location the contractor needs to consider each individual case carefully There can be many variations of unit quantities and available space and it is not the intention of this manual to go over...

Page 45: ... a good installation site is the direction of the prevailing wind For example if the air leaving the condenser faces the prevailing wind the air flow through the condenser can be impeded causing high refrigeration temperatures and ultimately resulting in reducing the lifetime of the unit A baffle is a remedy for this situation 1600 ...

Page 46: ...ith a vacuum pump before commissioning Proper evacuation reduces residual moisture to 50 ppm The installation of adequately sized access valves at the furthest point from the compressor in the suction and liquid lines is advisable The system must be evacuated down to less than 3 mbar If required break the vacuum with dry nitrogen Pressure must be measured using a vacuum pressure gauge on the acces...

Page 47: ... over the valves override function 2 The compressor is switched off safety timers are ignored 3 The fan is switched off while auxiliary outputs are not influenced safety timers are ignored 4 The alarms are disabled except for the communication alarms Stopping the evacuation function The evacuation mode will be deactivated when 1 one of the 3 pressures probes P1 P2 or P3 SPF6 or 2 the DISB key is p...

Page 48: ...charge for high ambient temperatures Emerson recommends charging the liquid receiver only up to 60 considering a typical piping length of 30 meters In high ambient conditions above 30 C charge until liquid refrigerant is visible in the upper sight glass of the liquid receiver In low ambient conditions below 10 C charge until liquid refrigerant is visible in the lower sight glass of the liquid rece...

Page 49: ...nual backup system Check also the following Documentation for the system and its marking especially pressure equipment Installation of safety devices Set pressure of all safety devices and other pressure cut outs Compressor and oil reservoir oil levels Cores fitted in filter dryers Pressure test records All valves open closed as required for operation After start up and when operation conditions h...

Page 50: ...e been removed eg for maintenance all grounding connections have to be reconnected before unit operation when the covers are put back in place WARNING Hot surfaces Burning Do not touch the compressor s heads or discharge line as their surfaces can reach high temperatures both during operation and at standstill CAUTION Unauthorized parts Unit damage Only parts authorized by Emerson can be used for ...

Page 51: ...denser fan grid Never start the unit or run the fan with no safety grid on the fan The grid can be removed only when the unit is turned off To remove the grid unscrew the six screws securing the grid and lift it off Figure 61 Opening the fan safety grid 5 1 4 To access the inner parts of the condenser gas cooler The side panel can be removed only when the unit is turned off To remove the side pane...

Page 52: ... and a second failure When a compressor is exchanged in the field it is possible that a major portion of the oil may still be in the system While this may not affect the reliability of the replacement compressor the extra oil will add to rotor drag and increase power usage Before any intervention de energize the refrigeration unit and allow for the capacitors in the drive to discharge this can tak...

Page 53: ... Fastenings can become loose bearings may wear out and fans may require cleaning of solid deposits that can cause rotational imbalance Motors come with lifelong lubrication bearings that do not require lubricating on a routine basis but just need to be checked for wear 6 Certification approval Copeland EazyCool CO2 refrigeration units comply with the Low Voltage Directive LVD 2014 35 EU The applie...

Page 54: ...chnologies GmbH and or its affiliates collectively Emerson as applicable reserve the right to modify the design or specifications of such products at any time without notice 3 Emerson does not assume responsibility for the selection use or maintenance of any product Responsibility for proper selection use and maintenance of any Emerson product remains solely with the purchaser or end user 4 Emerso...

Page 55: ... and on again or reset the alarm manually from the Visograph Compressors restart working according to the working algorithm HP1 EOH1 High pressure switch alarm in Circuit 1 High pressure switch Input 1 the input is configured as DIC 50 High pressure Circuit 1 All compressors in Circuit 1 are turned off All fans in Circuit 1 are turned on Inverter fan linear inverter for fan at maximum speed Automa...

Page 56: ...al 0 3 bar or 1 C If AC2 ABS AL24 differential value differential 0 3 bar or 1 C HAC1 HAC1 Maximum pressure temperature alarm for compressors in Circuit 1 If AC1 REL Suction pressure or temperature SETC1 AL4 If AC1 ABS Suction pressure or temperature AL4 Only signalling Automatically when the pressure or temperature If AC1 REL SETC1 AL4 differential value differential 0 3 bar or 1 C If AC1 ABS AL4...

Page 57: ...ompressors Fans follow SL16 Automatically when the pressure temperature exceeds AL21 differential PR1 PREG1 Suction probe failure alarm in Circuit 1 Suction probe failure or out of range eg the probe is configured as AIC 1 NTC probe regulation suction Circuit 1 The compressors are activated according to the AL14 AL15 parameters Fans follow SL16 Automatically as soon as the probe restarts working P...

Page 58: ...h step compressors the input for each compressor has to be used The corresponding compressor is turned off with step compressors all relays referred to the input are disabled Fans follow SL16 Automatically as soon as the input is disabled EPO for each compressor EPO for each compressor Compressor safety alarm for pressure switch load Pressure switch load input activation the input is configured as...

Page 59: ...8 P8 Probe failure alarm Probe 8 failure Only signalling Automatically as soon as the probe restarts working P9 P9 Probe failure alarm Probe 9 failure Only signalling Automatically as soon as the probe restarts working P10 P10 Probe failure alarm Probe 10 failure Only signalling Automatically as soon as the probe restarts working BURST ALBST Burst disc alarm DIC i 72 activation Only signalling DIC...

Page 60: ...rect If DLT9 AIC1 and AIC1 is configured as a pressure probe Only signalling When the temperature in the e box is correctly detected again by the probe OR the e box temperature protection function is disabled LoPrRt LoPrRt Compressor operates out of envelope The pressure ratio is below the DLT6 parameter for the DLT7 time Only signalling Automatically as soon as the pressure ratio is higher than D...

Page 61: ...w SL16 Automatically as soon as the input is disabled INVP for suction inverter INVP for suction inverter Inverter safety alarm for pressure switch load Pressure switch load input activation the input is configured as DIC 58 Safety inverter suction Circuit 1 The corresponding inverter is turned off Fans follow SL16 Automatically as soon as the input is disabled MANTINV for suction inverter MANTINV...

Page 62: ... GC30 HP REC HP REC High pressure on CO2 receiver alarm AIC98 AIC99 GC28 Priority on probe failure alarms The HPV will close 0 The BGV will open to a user defined set by parameter GC37 Automatically as soon as AIC98 AIC99 GC28 GC30 LP REC LP REC Low pressure on CO2 receiver alarm AIC98 AIC99 GC31 The HPV will have a minimum opening to a user defined set by GC36 If the PID is greater than GC36 then...

Page 63: ...6 836 43 5 228000 13 5 49830 16 5 13850 46 5 4671 76 5 1842 5 106 5 825 75 43 221700 13 48680 17 13580 47 4593 77 1816 107 815 5 42 5 215800 12 5 47590 17 5 13320 47 5 4518 77 5 1790 5 107 5 805 55 42 209900 12 46500 18 13060 48 4443 78 1765 108 795 6 41 5 204400 11 5 45465 18 5 12810 48 5 4371 78 5 1740 5 108 5 785 95 41 198900 11 44430 19 12560 49 4299 79 1716 109 776 3 40 5 193700 10 5 43450 19...

Page 64: ...25030 32 7728 62 2838 92 1200 27 5 98010 2 5 24510 32 5 7591 62 5 2794 5 92 5 1184 27 95520 3 23990 33 7454 63 2751 93 1168 26 5 93180 3 5 23495 33 5 7323 63 5 2709 5 93 5 1152 5 26 90840 4 23000 34 7192 64 2668 94 1137 25 5 88635 4 5 22525 34 5 7066 64 5 2628 94 5 1122 5 25 86430 5 22050 35 6940 65 2588 95 1108 24 5 84345 5 5 21600 35 5 6819 5 65 5 2549 5 95 5 1093 5 24 82260 6 21150 36 6699 66 2...

Page 65: ...2 1917 6 57 5 465 15 27 5 631 85 2 5 823 95 32 5 1049 45 62 5 1308 4 92 5 1600 65 122 5 1923 57 468 12 27 634 8 3 827 4 33 1053 5 63 1313 93 1605 8 123 1928 4 56 5 471 09 26 5 637 7 3 5 830 9 33 5 1057 55 63 5 1317 6 93 5 1611 123 5 1933 8 56 474 06 26 640 6 4 834 4 34 1061 6 64 1322 2 94 1616 2 124 1939 2 55 5 477 03 25 5 643 6 4 5 837 95 34 5 1065 7 64 5 1326 8 94 5 1621 35 124 5 1944 6 55 480 2...

Page 66: ... 932 55 47 5 1174 7 77 5 1450 35 107 5 1759 25 137 5 2078 42 551 12 726 9 18 936 3 48 1179 1 78 1455 2 108 1764 6 138 2083 41 5 553 65 11 5 730 15 18 5 940 05 48 5 1183 4 78 5 1460 1 108 5 1769 95 138 5 2088 41 556 3 11 733 4 19 943 8 49 1187 7 79 1465 109 1775 3 139 2093 40 5 558 95 10 5 736 6 19 5 947 6 49 5 1192 05 79 5 1469 9 109 5 1780 65 139 5 2098 40 561 6 10 739 8 20 951 4 50 1196 4 80 147...

Page 67: ...62 C6 1 11 0718 0619 E Appendix 4 Ecodesign overview tables according to Regulation 2015 1095 EU ...

Page 68: ...C6 1 11 0718 0619 E 63 ...

Page 69: ... resistance curve for PTC 61 Figures Figure 1 Front view CO2 unit 3 Figure 2 Dimensions of models OME 4MTL 05X OME 4MTL 07X OME 4MTL 09X 4 Figure 3 Nameplate of CO2 units 5 Figure 4 Nomenclature of CO2 units 5 Figure 5 Pressure levels of CO2 7 Figure 6 Pressure enthalpy diagram CO2 7 Figure 7 Main components of CO2 unit 8 Figure 8 Electrical cabinet 8 Figure 9 Fan design 9 Figure 10 Overview of th...

Page 70: ...ssure relief valves with changeover valve 32 Figure 45 Low side pressure transmitter 32 Figure 46 Sight glass level control zones 33 Figure 47 OW5 TraxOil mounted on the compressor 33 Figure 48 Maximum stacking loads for transport and storage 34 Figure 49 Lifting points for CO2 units 35 Figure 50 Lifting unit with slings and centre of gravity 35 Figure 51 Piping connections 36 Figure 52 37 Figure ...

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