Home

User manual

Contents

1. temperature control 7 8 822 Temperature controlled defrost differential C 0 0t090 0 2 0 0 not used 1 none E 2 variable time 3 skip defrost Advanced defrosts 7 8 823 Type of advanced defrost 4 variable time skip None Nominal defrost 7 2 223 Nominal defrost duration 0 to 100 65 Prop factor 7 g 823 Proportional factor in defrost duration 0 to 100 50 Min compressor on time 7 8 824 Minimum compressor time on S 0 to 9999 60 Min compressor off time 7 8 g24 Minimum compressor off time S 0 to 9999 180 Minimum time between starts of same compressor 7 8 g24 Minimum time between compressor starts S 0 to 9999 360 Comp and fan start delay at on 7 8 925 Initial delay in starting compressor and fans S 0 to 9999 60 Phase 2 delay 7 8 825 Minimum time between starts of different compressors S 0 to 9999 180 Comp off with door 7 g 825 Compressor behaviour with door open On Off On Door stop delay 7 2 g25 Delay after which compressors and fans start again with door open S 0 to 9999 360 Duty setting on time 7 2 826 Duty setting on time min 0to 9999 5 Duty setting off time 7 8 826 Duty setting off time min Oto 9999 10 Continuous operation time 7 8 827 Continuous operating mode duration min Oto 9999 480 Low temp delay after Day continuous op 7 g g27 Low temperature delay after continuous operating
2. B4 B9 B10 2 pco pnt available MN Important O for correct measurements using the PT1000 sensor each sensor wire must be connected to an individual terminal as shown in Figure 4 c e the two wires of the PT1000 sensors are equivalent as they have no polarity therefore it is not necessary to follow any specific order when connecting to the terminal block 2 3 3 Connecting the analogue inputs selected as ON OFF The pCO allows some analogue inputs to be configured as voltage free digital inputs The inputs must be pre configured as voltage free digital inputs by the application program resident in the flash memory Blast Chiller 030220851 rel 1 1 28 02 2008 14 input H Vem I Eo 60 He ES Controller Ss digit digit2 digt3 digita BC4 BC5 BC9 BC10 4 B5 B9 B10 Not available MN Warning the maximum current available at the digital input is 5 mA thus the rating of the external contact must be at least 5 mA These inputs are not optically isolated 2 3 4 Remote connection of the analogue inputs The sizes of the cables for the remote connection of the analogue inputs are shown in the following table size mm for length up to 100 m size mm for length up to 50 m type of input NTC PT1000 current V voltage If the product is installed in industrial environments application of the EN 61000 6 2 standard the length of the connections must be less than 30 m This length shouldn t
3. Access continuous operation zE n AY CA Access defrost settings and control Access light control HI Pause Start Repeat cycle Save Access parameter settings Start standard cycle Note indicates that only one option is available while E is shown if the user can choose between various options available 5 1 W on off This menu is used to switch Blast Chiller on off that is from OFF status to ON and vice versa To change status press E for 3 seconds 5 2 Cycle Used to display the cycle in progress or run a cycle selected from the last completed or the standard or custom cycles set The Blast Chiller displays the following screen when running a cycle Blast Chiller 030220851 rel 1 1 28 02 2008 28 Fig 5 1 This shows the information on the type of the cycle by time by temperature hard soft If on the other hand no cycle is running on accessing this menu three submenus are displayed REPEAT STANDARD and CUSTOM the first row of the display shows the string CYCLE the various submenus are indicated by specific icons 5 2 a Repeat If entering branch 2 a of the functions tree a screen is displayed showing information on the last cycle completed with the first row containing the string REPEAT in the middle is an Icon that shows the type of cycle selected and the main variables measured while the last two rows show the name of the cycle pressing for 3 seconds starts the cycl
4. Config analogue output See Chap 9 1 71 123 Device connected to analogue output 1 CONFIGURATIONS sterilisation Min value 71 123 Minimum value of analogue output 1 0 0 to 100 0 0 0 Max value 75 123 Maximum value of analogue output 1 0 0 to 100 0 100 0 74 See Chap 9 Analogue output 3 71 125 Device connected to analogue output 3 CONFIGURATIONS Cond fan Min value 7 125 Minimum value of analogue output 3 0 0 to 100 0 0 0 Max value 75 125 Maximum value of analogue output 3 0 0 to 100 0 100 0 Blast chiller temp calculation 7 8 g01 Calculate blast chiller freezer temperature when multiple probes used Average highest Average Prod temp calculation 7 8 g01 Calculate product temperature when multiple probes used Average highest Average Type La 7 2 802 Type of blast chiller freezer temperature threshold Relative absolute Relative Enable high temp al 7 2 903 Enable high temperature alarm NO YES YES High temp al threshold 7 2 203 High temperature alarm threshold C 50 0t0900 5 0 High temp al delay 7 2 203 High temperature alarm delay S 0 to 9999 0 Enable low temp al 7 g 804 Enable low temperature alarm NO YES YES Blast Chiller 030220851 rel 1 1 28 02 2008 55 CAREL Low temp al threshold 7 2 g04 Low temper
5. e Parameter the name of the parameter Type indicates the function the various parameters relate to Screen the identification number of the screen for accessing the parameter in question menu branch followed by the index of the screen If available Description short description of the parameter UOM unit of measure Range the range of values available for the parameter Default the default value of the parameter Key to the type of parameters main DL eee pt Defrost ma Cycle and custom cycle 3 Fans HACCP alarms Alarms Temperature control and compressors E om Inputs outputs Menu Parameter Type screen Description UOM Range Default Cycle Current cycle Cycle running Blast chiller freezer temperature the highest or the average value if more than one probe is used depending on the value set for the blast chiller Product temperature temp probe management parameter blast chiller C 50 0 to 90 0 Blast chiller freezer temperature the highest or the average value if more Blast chiller freezer than one probe is used depending on the value set for the blast chiller temperature A temp probe management parameter blast chiller C 50 0 to 90 0 maximum cycle duration to Timer Time remaining until the conclusion of the cycle min 9999 Signals Alarms HACCP alarms product probe error conservation
6. hours NO YES NO Unit op hour threshold 7 b b bb06 Unit op hour threshold h 0 to 30000 30000 Reset unit op hours 7 b b bb06 Reset unit op hours NO YES NO Probe B1 offset 7 b c bc01 Offset in the reading of probe B1 ja 10 0 to 10 0 0 0 n ME ZI aoo n Probe B5 offset 7 b c bc03 Offset in the reading of probe B5 C 10 0 to 10 0 0 0 Blast chiller freezer temperature diff 7 b d bd01 Blast chiller freezer temperature diff C 0 0 to 90 0 2 0 Device connected to 1 0 See Chap 9 digital input 1 7 c c01 Device connected to digital output 1 CONFIGURATIONS compressor Operating mode 7 c c01 Operating mode of digital output 1 Auto Manual Auto Digital input 1 in manual operating mode 7 c C01 Digital input 1 in manual operating mode On Off Off Device connected to See Chap 9 digital input 8 7 c c08 Device connected to digital input 8 CONFIGURATIONS defrost Operating mode 7 c C08 Operating mode of digital output 8 Auto Manual Auto Digital input 8 in manual operating mode 7 c C08 Digital input 8 in manual operating mode On Off Off Device connected to See Chap 9 analogue output 1 7 c c09 Device connected to analogue output 1 CONFIGURATIONS Steril Operating mode of analogue output 1 7 c c09 Operating mode of analogue output 1 Auto Manual Auto Analogue output 1 in manual operating mode 7 c c09 Analogue output 1 in manual operating mode 0 to 100 0 Device connected to See Chap 9 analogue output 3 7 c C11 Device connected to analogue outpu
7. n pa k IL Zu Ze OR i ic A AA a O To maintain the optical isolation of the digital inputs a separate power supply must be used just for the digital inputs The connection diagrams shown in these figures which while being the more common and the more convenient do not exclude the possibility of powering the digital inputs independently from the power supply to the pCO In any case the inputs only have functional insulation from the rest of the controller 2 4 2 Connecting the digital inputs for the pCO The following figure shows the diagram for connecting the digital inputs Scrial Card 2 43 Remote connection of the digital inputs Important note do not connect other devices to the IDn inputs The sizes of the cables for the remote connection of the digital inputs are shown in the following table Blast Chiller 030220851 rel 1 1 28 02 2008 size mm for length up to 50 m size Mm for length until 100 m 0 25 0 5 If the product is installed in industrial environments application of the EN 61000 6 2 standard the length of the connections must be less than 30 m This length shouldn t be exceeded in any case to avoid measurement errors 2 5 Connecting the analogue outputs 2 5 1 Connecting the 0 to 10V analogue outputs The pCO provides 0 to 10 V optically isolated analogue outputs powered externally at 24Vac Vdc Fig 4 n shows the electrical connection diagram the OV zero of the power suppl
8. the defrost starts point b Evaporator temperature probe End thresh Start thresh A C Time Defrost start delay Fig 4 12 Defrost by temperature Te defrost cannot start in the following cases not even if the conditions are right e ifthe defrost digital input has not been enabled e if the compressor timer is in progress e ifthe low pressure alarm is active only for the defrost with reverse cycle e ifthe pump down procedure is active e in continuous operating mode e if the door of the blast chiller freezer is opened only for the defrost with reverse cycle and if the compressor is off e ifthe high condenser temperature alarm is active only for the defrost with reverse cycle e ifa generic alarm is active When the system calls the defrost before starting a cycle and the defrost is pending the display shows the cycle running screen with the defrost icon flashing telling the user that the cycle cannot start If on the other hand the defrost is set before the conservation phase the Icon flashes but the program also starts the conservation phase as the defrost can also be run during this phase The defrost by temperature can end if the value read by the probe exceeds the end temperature threshold or because the maximum duration of the defrost has elapsed in this case an alarm is generated An alarm is also generated if the defrost ends because the temperature probe is broken During the defrost the fans ma
9. 4 to 20 mA passive analogue inputs NTC PT1000 ON OFF 0 to 10 V analogue outputs 24 Vac Vdc digital inputs 230 Vac or 24 Vac Vdc digital inputs connector for the display panel external with direct signals O Jo IN Io Ju gt connector for all standard pCO series terminals and for downloading the 10 application program 11 relay digital outputs 12 connector for connection to the I O expansion board 13 pLAN network connector 14 cover for inserting the supervisor and telemaintenance option 15 cover for inserting the field card option CAREL 1 4 1 Meaning of the inputs outputs on the pCO Small board Connector Signal Description J1 1 24 Vdc or 24 Vac power supply J1 2 power supply reference J2 1 BI universal analogue input 1 NTC 0 to 1 V 0 to 10 V 0 to 20 MA 4 to 20 mA 2 2 universal analogue input 2 NTC Otto 1 V 0 to 10 V 0 to 20 mA 4 to 20 mA J2 3 B3 universal analogue input 3 NTC 0 to 1 V 0 to 10 V 0 to 20 mA 4 to 20 mA 12 4 common for analogue inputs 12 5 21 Vdc power supply for active probes maximum current 200 mA J3 1 passive analogue input 4 NTC PT1000 ON OFF 13 2 BC4 common for analogue input 4 13 3 passive analogue input 5 NTC PT1000 ON OFF 13 4 common for analogue input 5 J4 1 power to optically isolated analogue output 24 Vac Vdc J4 2 power to optically isolated analogue output 0 Vac Vdc J4 3 analogue output no 1 0 to 10 V J4 4 analogue output no 2 0 to 10 V J4
10. 5 analogue output no 3 0 to 10 V J4 6 analogue output no 4 0 to 10 V J5 1 digital input no 1 24 Vac Vdc J5 2 ID2 digital input no 2 24 Vac Vdc J5 3 digital input no 3 24 Vac Vdc J5 4 digital input no 4 24 Vac Vdc J5 5 digital input no 5 24 Vac Vdc J5 6 DE digital input no 6 24 Vac Vdc J5 7 digital input no 7 24 Vac Vdc J5 8 DB digital input no 8 24 Vac Vdc J5 9 common for digital inputs from 1 to 8 negative pole for DC power supply J9 amp pin telephone connector for connection to a display panel J10 _ amp pin telephone connector for connection to the standard user terminal J11 1 RX TX connector for connection over RS485 to the pLAN network J11 2 RX TX connector for connection over RS485 to the pLAN network J11 3 GND connector for connection over RS485 to the pLAN network J12 1 common relay 1 2 3 J12 2 normally open contact relay no 1 J12 3 normally open contact relay no 2 J12 4 normally open contact relay no 3 J12 5 common relay 1 2 3 J13 1 common relay 4 5 6 J13 2 normally open contact relay no 4 J13 3 normally open contact relay no 5 J13 4 normally open contact relay no 6 J13 5 common relay 4 5 6 J14 1 common relay no 7 J14 2 normally open contact relay no 7 J14 3 common relay no 7 J15 1 normally open contact relay no 8 J15 2 common relay no 8 J15 3 normally closed contact relay no 8 J24 1 power supply to additional Aria terminal 1242 pow
11. 7 e e06 Disable print queue Off On Off User light contr y 7 e 07 Enable light control by the user NO YES NO User output contr aux 7 e 07 Enable auxiliary output control by the user NO YES NO See Chap 9 Config dig input 1 71 101 Device connected to digital input 1 CONFIGURATIONS On Off Relay logic 75 101 Logic of digital input 1 NO NC NO 74 bee See Chap 9 Config dig input 8 71 108 Device connected to digital input 8 CONFIGURATIONS High press Relay logic 71 108 Logic of digital input 8 NO NC NC See Chap 9 Conf an input 7 109 Device connected to analogue input 1 CONFIGURATIONS Blast chiller temp 1 4 to 20 mA 0 to 10 V NTC Type 7 f f09 Type of probe 1 PT1000 to NTC Min value 74 Minimum value of probe 1 C 99 9 to 99 9 0 0 Max value T Maximum value of probe 1 ja 99 9 to 99 9 0 0 74 to to See Chap 9 Conf an input5 7 1 F14 Device connected to analogue input 5 CONFIGURATIONS Antifreeze temp 4 to 20 mA 0 to 10 V NTC Type 7 1 f14 Type of probe 5 PT1000 to NTC Min value 7 1 F14 Minimum value of probe 5 C 99 9 to 99 9 0 0 Max value 10 7f f14 Maximum value of probe 5 i 99 9 to 99 9 0 0 See Chap 9 Config Dig output 1 7f f15 Device connected to digital output 1 CONFIGURATIONS compressor Relay logic 74 15 Logic of digital output 1 NO NC NO LI ga See Chap 9 Config Dig output 8 71 122 Device connected to digital output 8 CONFIGURATIONS defrost Relay logic 74 122 Logic of digital output 8 NO NC NO
12. Digital outputs No pCO Small pco DO Compressor DO2 Generic alarm DO3 Light DO4 Aux output DOS Defrost DO 6 DO7 DO 8 Defrost Analogue outputs No pCO Small pco Y Sterilisation Y2 Evaporator fans Y3 Condenser fans PWM Y 4 CAREL reserves the right modify or change its products without prior warning Blast Chiller 030220851 rel 1 1 28 02 2008 44 NOTES 45 NOTES 46 4 CAREL CAREL S p A Via dell Industria 11 35020 Brugine Padova Italy Tel 39 049 9716611 Fax 39 049 9716600 http www carel com e mail carel carel com Blast Chiller 030220851 rel 1 1 28 02 2008
13. O e ae cette ea ale eel Saha 30 Driade 30 E ESCRITA o 30 TABLE OF PARAMETERS o ee 31 TABLE OF ALARMS faggeta 39 Hionandidow temperare Rime i 39 TABLE OF VARIABLES SENT TO THE SUPERVISOR un ansehe 40 CONFIGURATIONS sie ee ee ee aa 43 1 1 Main features Blast Chiller is a complete range of controllers and user terminals for managing the blast chilling blast freezing and conservation of foodstuffs in compliance with the relevant standards in force Additional features include blast chill cycles that are completely customisable by the user smart defrosts and optimum time management using the built in clock Blast Chiller is based on the pCO series programmable platform one version on the pCO Small and one on the pCO and features a graphic interface pGD1 series and a simple and user friendly menu for navigation through three levels of access protected by password Unlike traditional controllers Blast Chiller guarantees a reduction in electricity consumption thus bringing cost reductions and helping to protect the environment 1 2 Models and features platform pCO Small pco code BCOOSMWOOO BCOOSPWO0O BCOOXMWOOO BCOOSMWOOO terminal rear panel assembly with membrane panel installation with plastic rear panel assembly with panel installation with plastic analogue inputs up to 4 NTC digital inputs up to 6 digital outputs up to 5 analogue outputs up to 3 X X X standard cycles X custom cycles X conservation phase X gr
14. OFF Maximum sterilisation any duration a 7 8 834 Maximum sterilisation duration min 0to 9999 500 Dig in 1 status 10 7 h h01 Status of digital input 1 Off On Digital input 1 logic 7 h h01 Logic of digital input NO NC NC PR TM ls gt Dig in 8 status 7 h h04 Status of digital input 8 Off On Dig in 8 logic 7 h h04 Logic of digital input 8 NO NC NO An inputl value 7 h h05 Value read by analogue input 1 oe 4 to 20 mA 0 to 10 V NTC An input type 7 Type of probe 1 PT1000 NTC Th ner An input 5 value 7 h h07 Value read by analogue input 5 C q 4 to 20 mA 0 to 10 V NTC An input 5 type 7 h h07 Type of probe 5 PT1000 to NTC Device connected to dig See Chap 9 out 1 7 h ho8 Device connected to digital output 1 CONFIGURATIONS compressor Dig out 1 operation 7 h h08 Operating mode of digital output 1 Auto Manual Auto Dig out 1 status in manual mode 7 h h08 Status of digital output 1 in manual operating mode On Off Off 7 h Blast Chiller 030220851 rel 1 1 28 02 2008 57 CAREL Device connected to dig See Chap 9 out 8 7 h h15 Device connected to digital output 8 CONFIGURATIONS compressor Dig out 8 operation 7 h h15 Operating mode of digital o
15. alarm blast chiller freezer high temperature delay HACCP alarm delay maximum blackout duration during a cycle maximum blackout duration during conservation type of HACCP threshold Description of the function this function of the Blast Chiller is used to record possible anomalies when running cycles or during the conservation phase The following anomalies are recorded e cycle ended when exceeding the maximum time due to problems with the probe cycle ended after the maximum time e blackout when running the cycle e blackout during the conservation phase e HACCP high temperature alarm threshold exceeded If the cycle by temperature mode has been selected and a probe error occurs the cycle ends when the maximum time set is reached and the following are saved e date and time e final product temperature e the type of HACCP alarm that Is in this case cycle ended by exceeding maximum time If on the other hand when the cycle by temperature is selected the cycle ends when exceeding the maximum time set the following are saved e date and time e the extra time required for the product to reach the final temperature e the type of HACCP alarm in this case cycle ended by exceeding maximum time in the event of blackout when running a cycle the following data are saved e date and time e duration of the blackout e the type of HACCP alarm blackout when running a cycle Note if the duration of the blac
16. case Assembly Fitted on DIN rail as per DIN 43880 and IEC EN 50022 Material technopolymer Flame retardance VO UL94 and 960 C IEC 695 Ball pressure test 125 C Resistance to creeping current 250 V Colour Grey RAL7035 1 5 4 Other specifications of the pCO board Operating conditions 10T60 C 90 rH non condensing standard vers 25T70 C 90 rH non condensing extended range vers Storage conditions 20T70 C 90 rH non condensing standard vers 40T70 C 90 rH non condensing extended range vers Index of protection IP20 IP40 on the front panel only Environmental pollution 2 Class according to protection against electric shock to be integrated into Class 1 and or 2 appliances PTI of the insulating materials 250 V Period of stress across the insulating parts long Type of action IC Type of disconnection or microswitching microswitching for all relay outputs Category of resistance to heat and fire Category D Immunity against voltage surges Category 1 Ageing characteristics operating hours 80 000 No of automatic operating cycles 100 000 EN 60730 1 30 000 UL 873 Software class and structure Class A Category of immunity to voltage surges IEC EN 61000 4 5 Category 2 1 5 5 Electrical specifications of the pCO board Power supply 24 Vac 10 15 50 60 Hz and 24 48Vdc 10 20 Maximum current with terminal connected P 8W Type of insulation of the power supply by the rest of the contr functional Terminal block with m
17. phase setting to Cycle terminated correctly cycle terminated after Cycle status Information concerning the end of the cycle maximum time Conservation Blast chiller freezer temperature the highest or the average value If more Blast chiller freezer than one probe is used depending on the value set for the blast chiller temperature temp probe management parameter blast chiller C 50 0 to 90 0 minimum blast chiller freezer temperature set point to maximum blast chiller freezer Set point Blast chiller freezer temperature set point C temperature set point Alarms HACCP alarms product probe error conservation phase setting Signals defrost fans compressors to Light activation cy Activation of the light Off On Off Evaporator temperature Evaporator temperature C 50 0 to 90 0 End defrost threshold End defrost threshold C 50 0 to 90 0 4 0 Defrost timer Time remaining until the conclusion of the defrost min maximum defrost duration to 0 Continuous operating mode duration Continuous operating mode duration set point min 0 to 9999 480 Continuous operating mode timer Time remaining until the conclusion of the continuous operating mode min Oto 9999 480 Set point Evaporator set point temperature C 50 0t0 90 0 2 0 On Off W main menu Unit status Cycle ISS main menu Unit status ON OFF from supervisor OFF from keypad OFF from digital input OFF from alarm Off Curr
18. sale of refrigerated frozen and deep frozen food and ice cream 1 Power supply connector G GO 24 Vac or 20 60 Vdc Input 24 Vac for phase control and NTC 0 1 V 0 5 V 0 20 mA 4 20 mA analogue inputs 5Vref for power supply to 5V 2 ratiometric probe and 24Vdc power to active probes 3 0 to 10 V analogue outputs and PWM phase control output 4 Digital inputs with voltage free contact Connector for all standard pCO series terminals and for downloading the application 5 program 6 pLAN network connector 7 tLAN terminal connector 8 tLAN network or MP Bus connector 9 Relay digital outputs with one common 3 10 Relay SSR digital output 11 Digital output for alarm relay with changeover contact SSR 12 Yellow power LED and 3 status LEDs 13 Cover for inserting the supervisor and telemaintenance option 14 Cover for inserting the clock board 1 5 1 Meaning of the inputs outputs on the pCO board connector signal description J1 1 24 Vac or 20 60 Vdc power supply J1 2 power supply reference 12 1 synchronicity input for phase control GO is the reference 2 2 universal analogue input 1 NTC 0 1V 0 5 V 0 20 mA 4 20 mA 12 3 universal analogue input 2 NTC 0 1V 0 5 V 0 20 mA 4 20 mA J2 4 universal analogue input 3 NTC 0 5 V J2 5 universal analogue input 4 NTC 0 5 V 12 6 reference for analogue inputs 2 7 power supply for 0 5 V ratiometric probes 12 8 power supply for 24 Vdc active probes J3 1 analog
19. simply plug the telephone cable into the RJ12 telephone connector on the rear of the terminal and into connector e J5 on the pCO e Ji0onthepCO The address of the terminal can be set in the range between 0 and 32 addresses between 1 and 32 are used by the pLAN protocol while address 0 identifies the Local terminal protocol used for point point connections without graphics and to configure the pCO The default address is 32 The address of the terminal can only be set after having connected to power supply via the RJ12 connector To enter configuration mode press A al and together for at least 5 seconds the terminal will display a screen similar to the following with the cursor flashing in the top left corner I O Board To change the address of the terminal Display address setting proceed as follows in sequence 1 Press once the cursor will move to the Display address setting field 2 Selectthe desired value using M and and confirm by pressing Sl again 3 Ifthe value selected is different from the one saved previously the following screen will be displayed and the new value will be saved to permanent memory Display address changed If the address field is set to 0 the terminal communicates with the pCO board using the Local terminal protocol and the I O Board address field is no longer shown having no meaning To change the list of terminals private and shared associat
20. 0 EN 60730 1 30 000 UL 873 Software class and structure Class A Category of immunity to voltage surges IEC EN 61000 4 5 Category 2 Blast Chiller 030220851 rel 1 1 28 02 2008 9 CAREL 1 4 5 Electrical specifications of the pCO Small board Power supply Maximum current with terminal connected Type of insulation of the power supply from the rest of the cont Terminal block Cable cross section CPU Program memory FLASH MEMORY Data memory RAM T buffer memory EEPROM MEMORY P parameter memory EEPROM MEMORY Working cycle duration application of average complexity Clock with battery 1 4 6 Dimensions of the pCO Small Serial Card 24 Vac 10 15 50 60 Hz and 28 to 36 Vdc 10 20 40 VA Vac 15 W Vdc with male female plug in connectors 250Vac max 8 A max min 0 5 mm max 2 5 mm H8S2320 16 bit 24 MHz 2 2 MB Dual Bank x 16 bits 512 KBx 16 bits 13 KB 32 KB not visible from the pLAN network 0 25 standard Product certification IEC EN 50155 standard Railway applications Electronic equipment used on rolling stock UL 873 and C22 2 No 24 93 Temperature Indicating and Regulating Equipment EC regulations 37 2005 of 12 January 2005 in particular if the electronic controller is fitted with standard Carel NTC sensors it is compliant with standard EN13485 on Thermometers for measuring the air temperature in applications on units for the conservation and
21. 0 mA Input resistance 100Q Can be selected via software Universal 2 inputs B3 B4 CAREL NTC 50T90 C R T 10kQ 1 at 25 C Voltage 0 to 5 Vdc ratiometric Type Can be selected via software Time constant for each input Is NTC input precision 20 57 0 1V input precision 3mV 0 5V input precision 15mV 0 20 mA input precision 0 06 mA MN Important the 24Vdc available at the 24Vdc terminal J2 can be used to power any active probes The maximum current is 80 mA thermally protected against short circuits To supply the 0 to 5 V ratiometric probes use the 5V available at terminal 5Vref 12 The maximum current is 60 mA Digital inputs Type Voltage free contact not optically isolated 24Vdc Total Maximum number eee Normally open open closed open 150 ms Minimum digital input impulse detection time Normally closed closed open closed 400 ms Power supply to the inputs Analogue outputs Type Not optically isolated Maximum number 1 PWM output Y3 with 5V pulse of programmable duration Power supply internal Precision outputs Y1 Y2 3 of full scale Resolution 8 bit Settling time outputs Y1 Y2 2s Maximum load 1 KQ 10mA for 0 to 10 Vdc and 4700 10mA for PWM Note the synchronicity for the PWM phase control output is taken from SYNC and GO The PWM output Y3 can become a pulse modulation input pulse duration proportional to the analogue value by setting the software The PWM may be in synchroni
22. ACCP Cycle ended after maximum time HACCP High temperature alarm Low temperature alarm Printer error Cycle phase Conservation phase On off digital input External alarm from digital input Door switch Low pressure digital input High pressure digital input Defrost enable digital input Defrost activation digital input Overload Compressor overload Fans overload Light sensor Day night digital input Auxiliary output activation digital input Compressor Defrost phase External alarm Evaporator fans Light Auxiliary output Sterilization Condenser fans Pumpdown valve Compressor 2nd step Probe heater Dripping phase 40 CAREL Digital Digital Digital Digital Digital Digital Digital Digital Digital Digital Digital Digital Digital Digital Digital Digital Digital Digital Digital Digital Digital Digital Digital Digital Analog Analog Analog Analog Analog Analog Analog Analog Analog Analog Analog Analog Analog Analog Analog Analog Analog Analog Analog Analog Analog Analog Analog Analog Analog Analog Analog Analog Analog Analog Analog Analog Analog Analog Analog Analog Analog Analog Integer Integer Integer Integer Integer Integer Integer Integer Integer Integer Integer Integer 61 R e TR Blast Chiller 030220851 rel 1 1 28 02 2008 Post dripping Defrost type Unit On Off status Buzzer enable High temperature alarm enable Low temperatu
23. Always on based on the difference between blast chiller freezer Depending on the temperature and evaporator temperature temperature of the evaporator and the based on the evaporator blast chiller temperature only Fans on when the no control On when the compressor Is on compressor is on based on the difference On when the between blast chiller freezer compressor is on temperature and evaporator depending on the temperature based on the evaporator temperature only temperature of the evaporator and the blast chiller Note if two compressors have been configured and the start fans when compressor Is started option is set the fans are on when at least one of the two compressors is on and off only when both compressors are off CAREL In the event of probe errors the fans are always on If the blast chiller door is opened the fans remain in their current status or are stopped depending on the configuration of the corresponding parameters In addition control can be managed in modulating mode Fig 4 9 or in on off mode Fig 4 8 Control based on the diff between blast chiller temp and evaporator temp Blast chiller freezer temp Differential Evaporator temp Set point Control based on the evaporator temperature Set point Evaporator temp Fig 4 8 ON OFF evaporator fan control Evaporator temp Control based on the aiff between blast chiller temp and evaporator temp Minimu
24. Blast Chiller CAREL ENG User manual LEGGI E CONSERVA QUESTE ISTRUZIONI 4 READ AND SAVE THESE INSTRUCTIONS Technology amp Evolution IMPORTANT CAREL bases the development of its products on decades of experience in HVAC on the continuous investments in technological innovations to products procedures and strict quality processes with in circuit and functional testing on 100 of its products and on the most innovative production technology available on the market CAREL and its subsidiaries nonetheless cannot guarantee that all the aspects of the product and the software included with the product respond to the requirements of the final application despite the product being developed according to start of the art techniques The customer manufacturer developer or installer of the final equipment accepts all liability and risk relating to the configuration of the product in order to reach the expected results in relation to the specific final installation and or equipment CAREL may based on specific agreements acts as a consultant for the positive commissioning of the final unit application however in no case does it accept liability for the correct operation of the final equipment system The CAREL product is a state of the art product whose operation is specified in the technical documentation supplied with the product or can be downloaded even prior to purchase from the website www carel com Each CAREL produ
25. Digital Digital Digital Digital Digital Digital Digital Digital Digital Digital Digital Digital Digital Digital Digital Digital Digital Digital Digital Digital Digital Digital Digital Digital Digital Digital Digital Digital Digital Digital Digital Digital Digital Digital Digital Digital Digital Digital Digital Digital Digital Digital Digital Digital Digital Digital Digital Digital Digital Digital Digital Digital Digital Digital Digital Digital Digital addres R W Blast Chiller 030220851 rel 1 1 28 02 2008 Description Product temperature 1 probe error Product temperature 2 probe error Product temperature 3 probe error Room temperature 1 probe error Room temperature 2 probe error Room temperature 3 probe error Condenser temperature probe error Evaporator temperature probe error Antifreeze temperature probe error Compressor maintenance required Compressor 2 maintenance required Condenser fan maintenance required Evaporator fan maintenance required UV light maintenance required System maintenance required High condenser temperature warning Condenser high temperature alarm Defrost maximum time Door opened during conservation Low pressure alarm Antifreeze alarm Compressor 1 alarm Compressor 2 alarm Black out during conservation phase HACCP Black out during cycle execution HACCP Controller error High temperature alarm HACCP Cycle ended by maximum time for probe error H
26. The icon flashes if the process is running The last two rows focus the user s attention on any causes that prevent the sterilisation process from starting or other information concerning the end of the procedure The icons at the bottom right are used to start stop the sterilisation process pressing duration At the end of the process the last two rows of the display show a message telling the user that operation is complete STERILISATION COMPLETED and pressing menu or for 3 seconds and change its CAREL E sc Blast Chiller returns to the main menu If for any reason the sterilisation procedure was not completed correctly for example if the door of the blast chiller is opened during the procedure the last two rows of the display show the string STERILISATION NOT COMPLETED If while sterilisation is running the user returns to the main menu but wants to know the status of the process simply return to the corresponding menu Note pressing menu or E SC and thus returning to the main menu cancels all the information relating to the end of the sterilisation process 5 5 Heat probe This menu is used to access the heat probe function piercing probe the screen Is however only visible if the corresponding function has been enabled otherwise the display shows NOT AVAILABLE The icon on the display flashes if heating is in progress while the last two rows of the display inform the user when the temperature has reached the set t
27. al circuits and mechanisms may be irreparably damaged e Do not use corrosive chemicals solvents or aggressive detergents to clean the device e Do not use the product for applications other than those specified in the technical manual All of the above suggestions likewise apply to the controllers serial boards programming keys or any other accessory in the CAREL product portfolio CAREL adopts a policy of continual development Consequently CAREL reserves the right to make changes and improvements to any product described in this document without prior warning The technical specifications shown in the manual may be changed without prior warning The liability of CAREL in relation to tts products is specified in the CAREL general contract conditions available on the website www carel com and or by specific agreements with customers specifically to the extent where allowed by applicable legislation in no case will CAREL its employees or subsidiaries be liable for any lost earnings or sales losses of data and information costs of replacement goods or services damage to things or people downtime or any direct indirect incidental actual punitive exemplary special or consequential damage of any kind whatsoever whether contractual extra contractual or due to negligence or any other liabilities deriving from the installation use or impossibility to use the product even if CAREL or its subsidiaries are warned of the possibil
28. ale female plug in connectors 250Vac max 8 A max Cable cross section min 0 5 mm max 2 5 mm CPU H8S2320 16 bit 24 MHz Program memory FLASH MEMORY 1 MB x 16 bit expandable up to 1 1MB Dual Bank Data memory RAM 128 KB x 8 bit expandable up to 512 KB T buffer memory FLASH MEMORY 4 KB x 16 bit P parameters memory EEPROM MEMORY 32 KB not visible from the pLAN network Working cycle duration application of average complexity 0 35 Clock with battery Optional 1 5 6 Dimensions of the pCO Product certification IEC EN 50155 standard Railway applications Electronic equipment used on rolling stock UL 873 and C22 2 No 24 93 Temperature Indicating and Regulating Equipment EC regulations 37 2005 of 12 January 2005 in particular if the electronic controller is fitted with standard Carel NTC sensors it is compliant with standard EN13485 on Thermometers for measuring the air temperature in applications on units for the conservation and sale of refrigerated frozen and deep frozen food and ice cream Blast Chiller 030220851 rel 1 1 28 02 2008 12 CAREL 2 1 2 1 1 General installation Instructions Installation procedure Environmental conditions Avoid assembling the pCO and the terminal in environments with the following characteristics temperature and humidity that do not conform to the rated operating data of the product strong vibrations or knocks exposure to agg
29. aphic display X languages gt real time clock X HACCP report X programming with key X supervision X printer X buzzer X RS485 option X certification CE UL languages available ITA ENG FRA ESP DEU 1 3 Components and accessories description code Blast Chiller pCO with display panel mounting with plastic faceplate BCOOSMW000 Blast Chiller pCO with display rear panel assembly with membrane keypad BCOOXMW000 Blast Chiller pCO with display panel mounting with plastic faceplate BCOOSPWO000 Blast Chiller pCO with display rear panel assembly with membrane keypad BCOOSMW000 connection cable display panel with plastic faceplate S9O0CONNOO see corresponding paragraph NTC piercing probe 6 m cable range 50T110 C NTCINFO600 NTC piercing probe 90 with handle 6 m cable range 50T110 C NTCINFO610 NTC piercing probe 90 with handle 3 m cable range 50T110 C NTCINFO340 PT1000 piercing probe 90 with handle 6 m cable range 50T200 C PT1INF0340 printer kit BCOPZPRNOO 1 4 Description of the pCO Small board a 3 12 at Key 1 power supply connector G GO 2 yellow power LED and 3 status LEDs 3 additional power supply for the terminal and 0 to 5 V ratiometric probes rou 34 SV A mar power 20 WA J 15W AN a n P AN EN A e mm e Da 5 5 2 le 6 di Blast Chiller 030220851 rel 1 1 28 02 2008 universal analogue inputs NTC 0 to 1 V 0 to 5 V ratiometric 0 to 10 V 0 to 20 mA
30. arameters to 0 the functions are ignored compressor on off Note if duty setting mode has been activated at the same time the time values used are those relating to the compressor on and off with generic alarm and not the on off times corresponding to duty setting 44 Fan management 4 4 1 Evaporator fans Input blast chiller freezer temperature probes evaporator temperature probe Parameters type of fan control evaporator fan control set point fans off when compressor off fan operation during defrost post discharge duration evaporator fan control differential minimum evaporator fan output maximum phase shift minimum phase shift triac pulse width mains frequency fan start delay at power on fans off when opening the door door switch delay fan speed up time Output evaporator fans Description of the function the evaporator fans can be managed in different ways depending on the settings made for the type of control and whether the fans are off when the compressor Is off The following types of fan control are available e no control e based on the difference between the blast chiller freezer temperature and the evaporator temperature e based on the evaporator temperature only in addition the fans off when compressor off parameter can be used to set the fans as always on or only on when the compressor is running Fan behaviour Fans off when Type of fan control compressor off Fans always on no control
31. ated this alarm immediately stops the compressor and activates the generic alarm output 4 10 ON OFF Parameters light activation in OFF status auxiliary output activation in OFF status Description of the function the ON OFF status of the Blast Chiller can be managed with different priorities by digital input user interface and the supervisor the digital input has the highest priority If the device has been switched off from a digital input it cannot be switched on in the Blast Chiller 030220851 rel 1 1 28 02 2008 26 other ways On the other hand the control from the keypad or the supervisor remains enabled if the digital input has not been configured During OFF status the following are disabled e running cycles e _ temperature control e all the functions relating to the management of the fans and compressors e defrost e HACCP monitoring e _ saving and displaying the alarms In addition by setting the related parameters the lights and the auxiliary output can also be enabled or disabled in this status During OFF status e all the parameters can be displayed and saved e the alarms relating to the probes remain active e the compressor protection times are observed e _ the pump down procedure is performed if enabled e the defrost and continuous operating modes are terminated When switching ON e the compressor protection times must be observed e the compressor and fan start delays are ignore
32. ature alarm threshold C 50 0to 90 0 3 0 Low temp al delay 7 g g04 Low temperature alarm delay S 0 to 9999 0 High temp al delay after defrost 7 g g05 High temperature alarm delay after defrost S 0 to 9999 30 High temp al delay after open door 7 8 205 High temperature alarm delay after opening door S 0 to 9999 30 Antifreeze alarm threshold 7 g 06 Antifreeze alarm threshold C 50 0 to 90 0 25 0 Antifreeze alarm delay 78 Antifreeze alarm delay S 0 to 9999 30 Generic al delay 7 8 807 Generic alarm delay S 0 to 9999 30 Low press al delay start 7 8 807 Low pressure alarm delay when starting S 0 to 9999 30 Low press al delay steady 7 8 07 Low pressure alarm delay in steady operation S 0 to 9999 30 High cond temp threshold 7 8 808 High condenser temperature alarm threshold C 50 0to 90 0 40 0 High cond temp differential 7 8 808 High condenser temperature alarm differential C 50 0t0 90 0 4 0 High cond temp al delay 7 g 808 High condenser temperature alarm delay S 0 to 9999 30 Min blast chiller temp setp 7 g 209 Minimum blast chiller freezer temperature set point C 50 0t0 90 0 40 0 Max blast chiller temp setp 7 g g09 Maximum blast chiller freezer temperature set point C 50 0t0900 10 0 Blast chiller temperature differential 7 8 Blastchiller freezer temperature control differential C 0 0t090 0 2 0 Min product temp setp 7 g g10 Minimum product set point temperature C 50 0t090 0 40 0 Max pro
33. bacteria proliferation A freeze cycle on the other hand tends to reduce the formation of macrocrystals of ice temperature set points for the blast chiller one lower around 20 C used until the internal product temperature reaches the set value or the pre set time expires and a second set point higher around 0 C used until the end of the cycle For the freeze cycles if soft Blast Chiller works with two different set points the first higher around 0 C used until the product internally reaches the set temperature or until the end of a predefined time the second set point lower is then used until the end of the cycle if on the other hand the cycle is hard Blast Chiller always works only considering the final set point of the blast freezer usually around 35 C inside the frozen product such macrocrystals when forming affect the organoleptic properties of the food The standard values of these cycles are as follows soft one phase Chill cycle Freeze cycle a IRE two phases Initial product temperature 90 C by time p Final product temperature 18 C soft two phases Duration 240 min i p reeze The cycles can be defined by time or by temperature If the cycle has been defined by Cyd a ONE Diese time the duration is defined while if the cycle is defined by temperature it ends when Jas the product internally reaches the set temperature in both cases the control probe is soft one phase the tem
34. be exceeded in any case to avoid measurement errors 2 4 Connecting the digital inputs The pCO features digital inputs for connecting safety devices alarms device status remote switches These inputs are all optically isolated from the other terminals They can work at 24 Vac 24 Vdc and some at 230 Vac Note separate the sensor signal and digital input cables as much as possible from the inductive load and power cables to avoid possible electromagnetic disturbance MN Important if the control voltage is drawn in parallel with a coil fit a dedicated RC filter in parallel with the coil the typical ratings are 100 Q 0 5 uF 630 V If connecting the digital inputs to safety systems alarms remember that the presence of voltage across the contact must be the normal operating condition while no voltage must represent an alarm situation This will ensure that any interruption or disconnection of the input will also be signalled Do not connect the neutral in place of an open digital input Always interrupt the phase The 24 Vac Vdc digital inputs have resistance of around 5 kQ 2 4 1 Digital input connections for the pCO The following figure represents one of the most common diagrams for connecting the 24 Vac and 24 Vdc digital inputs on a pCO serial card service card PI W n serial card 1 E 5 J5 E 4 365 2 Ss lla PERErrrer ss BB a HE 5 I i te a CA n n ee oy rs amp le i A F D E ye f k
35. bles that can be connected to an individual terminal The only limitation concerns the maximum current crossing each terminal this must not exceed 8 A e the maximum cross section of the cable that connected to a terminal is 2 5 sq m 12 AWG the maximum value of the twisting torque to tighten the screw on the terminal torque tightening is 0 6 Nm A Important Installation must be performed according to the standards and legislation in force in the country where the device is used e for safety reasons the equipment must be housed inside an electrical panel so that the only accessible part is the display and the keypad e inthe event of malfunctions do not attempt to repair the device but rather contact the CAREL service centre e _ the connector kit also contains the stick on labels 2 1 3 Anchoring the pCO The pCO is installed on a DIN rail To fasten the unit to the DIN rail press it lightly against the rail The rear tabs will click into place locking the unit to the rail Removing the unit is just as simple using a screwdriver through the release slot to lever and lift the tabs The tabs are kept in the locked position by springs 2 2 Power supply Power supply to the pCO controller with terminal connected 28 to 36 Vdc 10 20 or 24 Vac 10 15 50 to 60 Hz Maximum current P 15 W Vdc power supply P 40 VA Vac Power supply to the pCO 20 60 Vdc or 24 Vac 15 50 to 60 Hz Maximum current P 6 1 W V
36. city with the SYNC signal or have a fixed cycle of 2 ms Blast Chiller 030220851 rel 1 1 28 02 2008 11 CAREL a Digital outputs The outputs can be divided into groups Between groups cells in the table there is double insulation and consequently these may have different voltages There is also double insulation between each terminal of the digital outputs and the rest of the controller The relays belonging to the same group individual cell in the Insulation distance table have basic insulation and therefore can have the same power supply 24 Vac or 230 Vac Reference for the relays with the same insulation Group 3 to CN E Makeup of the groups Type of relay Type A Type A Type A Number of changeover contacts 1 output 5 SPDT 2000VA 250Vac 8 A resistive nu 2 5 A resistive 2 A FLA 12 A LRA 250Vac 30 000 cycles Switchable power Type A relay PCO approval 2 A resistive 2 A inductive cosp 0 6 2 2 A 100 000 cycles Maximum number of 2 outputs 4 and 5 SSR outputs Electrical specifications working voltage 24 Vac Vdc maximum switchable power 10 Watts MN Important the groups that the digital outputs are divided into have two common pole terminals to simplify wiring Make sure that the current running through the common terminals does not exceed the rated current of an individual terminal that is 8A 1 53 Mechanical specifications of the pCO board Mechanical dimensions 13 DIN modules 110 x 227 5 x 60mm Plastic
37. ct in relation to its advanced level of technology requires setup configuration programming commissioning to be able to operate in the best possible way for the specific application The failure to complete such operations which are required indicated in the user manual may cause the final product to malfunction CAREL accepts no liability in such cases Only qualified personnel may install or carry out technical service on the product The customer must only use the product in the manner described in the documentation relating to the product In addition to observing any further warnings described in this manual the following warnings must be heeded for all CAREL products e Prevent the electronic circuits from getting wet Rain humidity and all types of liquids or condensate contain corrosive minerals that may damage the electronic circuits In any case the product should be used or stored in environments that comply with the temperature and humidity limits specified in the manual e Do not install the device in particularly hot environments Too high temperatures may reduce the life of electronic devices damage them and deform or melt the plastic parts In any case the product should be used or stored in environments that comply with the temperature and humidity limits specified in the manual e Do not attempt to open the device in any way other than described in the manual e Do not drop hit or shake the device as the intern
38. d 4 11 Sterilisation Input door switch Parameters sterilisation duration maximum sterilisation duration percentage of power Output sterilisation Description of the function the sterilisation process can operate in ON OFF mode or modulating mode depending on the output configured Sterilisation cannot be performed when running a cycle or if the blast chiller door is open however the operation can be run during the conservation phase Note the value of the sterilisation duration parameter must be less than or equal to the value of the maximum sterilisation duration parameter set by the manufacturer 4 12 Heat probe Input product temperature Output probe heater Description of the function the heat probe function piercing probe cannot be activated if it has not been correctly enabled and the probe is not fitted This function in addition can only be activated if the temperature measured by the probe in the heart of the product is less than 4 C The corresponding digital output remains active until the temperature measured exceeds 4 C fixed value not settable by parameter CAREL Main menu functions tree Ii on off 2 WS cycle a PB Repeat Ds WS standard Cs A custom da Diction 4 reisten or PR cat probe 6 E settings gt PWL advanced user a A Custom cycle a Fans Bi Alarms Bal other settings a std t3 C Sort Da std 43 C hara er std 18 SC BOIC d std 18 EC ha
39. d compressor control h 0 to 30000 30000 Evap fan 6 c Evaporator fan op hours h 0 to 30000 Control in El 6 c Time remaining before next evaporator fan controls h 0 to 30000 30000 Cond fan 6 c Condenser fan op hours h 0 to 30000 Control in 6 c Time remaining before next condenser fan control h 0 to 30000 30000 UV light 6 c UV light op hours h 0 to 30000 Control in 6 c Time remaining before next UV light control h 0 to 30000 30000 Unit 6 c Op hours unit h 0 to 30000 Control in 6 c Time remaining before next unit control h 0 to 30000 30000 English French an Italian German Change language 6 d Change the language of the user interface Spanish English Blast Chiller 030220851 rel 1 1 28 02 2008 33 CAREL Show screen when starting 6 d Enable display of the change language screen at start up NO YES MES Delay time within which the change of language Is accepted without Change language in 6 d modifications S 0 to 9999 60 Unit of measure 6 d Change temperature unit of measure Aca C Date setting 6 d Change the date settings dd mm yy mm dd yy dd mm yy Enable buzzer 6 d Enable the buzzer N Y Y New PSW 6 d Change the user password 0 to 9999 1234 Maintenance EN main menu 1234 Enter password 7 a Maintenance or manufacturer pa
40. d conditions are satisfied or can be stopped by the user LEG Stop I How to create and use a custom cycle 3 phases most complete example 1 from the main menu gt Settings 2 enter the password any from PW1 PW2 and PW3 gt Custom cycle 3 scroll the list of the standard cycles using A and 4 that can be used as the base fro setting a custom cycle one two or three phases 4 select Complete cycle with three phases gt now choose whether to set the cycle by time or by temperature 5 Blast Chiller now requires the settings for phase 1 the set point of the blast chiller freezer the product set point and the duration of the phase and modify the value and confirms and moves to the next step 6 perform the same operations described in point 5 for phase 2 and phase 3 7 choose Yes or No to set a conservation phase at the end of the cycle and set the corresponding set point 8 in addition a defrost phase can be set before the cycle and or before any conservation phase 9 then a final screen is displayed for saving the custom cycle with a name up to 15 alphanumeric characters and the symbols and space plus a cycle identifier number from 1 to 10 10 pressing for 3 seconds saves the cycle 11 return to the main menu gt Cycle gt Custom cycle 12 this submenu includes the list of all the custom cycles created a cycle can be selected from the list and run using the same procedure a
41. d therefore printed date time type of cycle value read by the probes at the start and the end of the cycle duration of the cycle CAREL 4 7 Lights Input door switch brightness sensor day night switch Parameters day hours and minutes the light is switched on day hours and minutes the light is switched off off time with light sensor light controlled by the user light activation during OFF status Output light Description of the function the light can be controlled by the door open closed switch e the curtain switch e the keypad e Note the possibility to control the light from the keypad must be set by the manufacturer otherwise these settings are not visible to the user e the supervisor e the light sensor e the daily time bands Control of the lights by the daily time bands can be activated even if Blast Chiller is off by setting the light activation parameters accordingly As concerns the brightness sensors these can be located inside the blast chiller or on the door frame in the latter case they signal when the door is opened by sensing the light The inside light is therefore switched on when light is detected and off when not When the brightness sensor is on the other hand located inside the blast chiller light is also detected when the inside light is on to overcome this problem after a time set for the off time with light sensor parameter the inside light is switched off for 5 seconds s
42. dc P 8VA Vac 2 3 Connecting the analogue inputs The analogue inputs on the pCO can be configured for the more common sensors on the market 0 to 1 V 0 to 10 V 0 to 20 mA 4 to 20 mA The different types of sensors can be selected by setting a parameter on the user terminal 2 3 1 Connecting the universal NTC temperature sensors The analogue inputs are compatible with 2 wire NTC sensors The inputs must be pre configured for NTC signals by the application program resident in the flash memory The connection diagram is shown below CAREL leper 24 VV m 50 1060 Ha rem jean AD WA 15 W field card Controller pCO terminals NTC sensor cable pco GND BC4 BC5 BC9 BC10 1 B1 B2 B3 B4 B5 B6 B7 B8 B9 BIO 12 pco l B1 B2 B3 B4 2 AN Important the two wires of the NTC sensors are equivalent as they have no polarity therefore it is not necessary to follow any specific order when connecting to the terminal block 2 3 2 Connecting the PT1000 temperature sensors The pCO can be connected to 2 wire PT1000 sensors for all high temperature applications the range of working Is 100 to 200 C The inputs must be pre configured for PT1000 signals by the application program resident in the flash memory The connection diagram is shown below par 24 Vr Ve SO 10 GORI free power 40 VA 15W field card A J Controller PT1000 sensor cable pCO sensor sensor2 sensor3 probe 4 BC4 BC5 BC9 BC10
43. defrosts is limited between n 2 and 2 2 Skip defrost the completion of the defrost is based on the previous defrost duration dn dP If the defrost duration is less than or equal to 100 skipped When the defrost is next run the check is repeated and if the duration is dn still less than or equal to 100 the next two defrosts will be skipped and so on until three consecutive defrosts If three consecutive defrosts are skipped the sequence restarts and the dn next time the duration calculated is less than or equal to 100 one defrost will be skipped When Blast Chiller is started seven defrosts are completed before checking the duration the next defrost is only CAREL 3 Combination of the previous two modes with this type of defrost the time between defrosts is increased or decreased based on the previous defrost and the completion of the defrost is also based on the duration of the previous as described for the previous types and in Fig 4 14 Defrost Ra a a 2 aas a s 4 8 eee me ee Skip K een Time em Time between defrosts variable Defrost duration dn de less than 100 Defrost duration dr dp higher than 100 Fig 4 14 Combination of variable time between defrosts and skip defrost 4 6 HACCP Hazard Analysis and Critical Control Point Input blast chiller freezer temperature probe Parameters blast chiller freezer HACCP high temperature alarm threshold
44. duct temp setp 7 2 g10 Maximum product set point temperature C 50 0t090 0 10 0 Set point delta with day night switch 7 8 811 Set point variation with day night switch C 10 0 to 90 0 2 0 Diff delta with day night 7 8 811 Differential variation with day night switch C 0 0 to 90 0 1 0 Min evap fan setp 7 2 812 Minimum evaporator fan control set point C 50 0 to 90 0 0 0 Max evap fan setp 7 2 812 Maximum evaporator fan control set point C 50 0 to 90 0 50 0 Evaporator fan control differential Parameter active only if fans controlled Evap fan diff 7 2 813 according to the temperature C 10 0 to 90 0 2 0 Fan speed up time 7 8 813 Fan speed up time S 0 to 999 0 Min HACCP temp setp 7 2 814 Minimum HACCP high temperature set point C 50 0t0900 2 0 Max HACCP temp setp 7 2 g14 Maximum HACCP high temperature set point C 1 50 0to 90 0 5 0 HACCP alarm delay E 7 2 814 HACCP temperature alarm delay min Oto 9999 120 Blackout duration during cycle 7 8 15 Allowing duration of HACCP blackout when running a cycle min 0to 9999 5 Blackout duration during conservation 7 8 815 Allowing duration of HACCP blackout during the conservation phase min Oto 9999 1 Door open duration during cycle 7 2 g16 Allowing duration of door open when running a cycle S 0 to 9999 30 Pause duration during cycle 7 8 816 Allowing pause duration when running a cycle S 0 to 9999 30 Probe out of range delay 7 2 817 Time in which the probe erro
45. e and Blast Chiller returns to display the screen shown in Fig 5 1 5 2 b Standard This submenu displays the standard cycles available loaded as default on Blast Chiller Use A and W to scroll the list of standard cycles while pressing E for 3 seconds starts the cycle displayed at that moment once the cycle has been started Blast Chiller returns to the screen shown in Fig 5 1 Note the conservation phase is selected by default for the standard cycle while the set point is 2 C 5 2 C Custom This submenu describes the various custom cycles defined by the user up to a maximum of 10 cycles Use and Y to scroll the list of custom cycles while pressing E for 3 seconds starts the cycle displayed at that moment once the cycle has been started Blast Chiller returns to the screen shown in Fig 5 1 5 3 Conservation This menu can be used to start or modify the conservation phase The screen displayed is similar to the one shown in Fig 5 1 and is used to set the main parameters 5 4 Sterilisation Access this menu to start the blast chiller sterilisation procedure The display shows the screen in Fig 5 2 this screen is only visible however if the corresponding output has been enabled otherwise the display shows the message NOT AVAILABLE Fig 5 2 The first row shows the string STERILISATION while in the middle of the screen are the temperature of the blast chiller and the duration of the sterilisation process
46. e compressor Description of the function the compressor and second phase compressor parameters can control two different compressors that operate together this means that all the functions that require the activation of the compressor act on both outputs If the number of compressors parameter is equal to 1 or the second phase compressor is not configured then Blast Chiller manages just one compressor If there are two compressors and rotation has been enabled these will be managed based on FIFO logic first in first out the first compressor to start is the first to stop The activation of the compressors must also observe the settings relating to the time delays e delay when starting the compressor this time must elapse before starting it to prevent the compressor from continuously restarting in the event of frequent blackouts e Minimum time between different starts of the same compressor this time must elapse before the compressor starts again even if the compressor has been called to start This parameter is used to limit the number of restarts per hour for each compressor e Minimum time between starts of different compressors time that must elapse before starting the second phase compressor even if the Blast Chiller 030220851 rel 1 1 28 02 2008 compressor has been called to start This parameter is used to avoid the simultaneous starting of both compressors e _ Minimum on time once on the compressor cannot be stop
47. e more parameters those relating to the second phase Selecting a complete cycle that is with three phases the procedure to configure the custom cycle is the same only longer as there are even more parameters to set In each step the last row of the display shows a string that describes the phase corresponding to the parameter being set at that moment Note the name used to save the custom cycles can have a maximum of 15 characters The characters are selected by scrolling the list in alphabetical order using and W and then confirming the character with once the required name has been set press for 3 seconds to save it Confirmation CYCLE SAVED PRESS MENU FOR THE MAIN MENU tells the user that the cycle has been saved Note pressing ESC at any time returns to the previous step 5 6 b Conservation This menu is used to configure all the parameters relating to the conservation phase In the same way as described for menu 6 Settings the top of the display shows the string CONSERVATION while in the middle are four submenus e _ 6 b a Temperature control e 6 b bDefrost e 6 b cFans e 6 b d Alarms When entering each of these submenus the various parameters can be set in the same way as in the previous menus using i and al to choose the various values and confirming by pressing E while pressing ESC at any time returns to the previous step Note on the page for setting the parameters the first row of the di
48. ed if enabled E02 Blast chiller freezer temperature probe 2 not working Automatic As for alarm ED1 E03 Blast chiller freezer temperature probe 3 not working Automatic As for alarm ED1 E51 Product temperature probe Q not working Automatic If only one probe Is fitted or both are faulty the cycle cannot end by temperature E52 Product temperature probe 2 not working Automatic As for alarm E51 E53 Product temperature probe 3 not working Automatic As for alarm E51 El Evaporator temperature probe not working Automatic Fans on E2 Antifreeze temperature probe not working Automatic E6 Condenser temperature probe not working Automatic Fans on All the devices are off except for the lights and auxiliary outputs which follow the settings of the related parameters the pump down cannot be performed Compressors Da External alarm active Manual and fans follow the settings of the related parameters The following functions cannot be run sterilisation compressors evaporator fans dor Door open during conservation Automatic cycles continuous operating mode and defrost DP Door open during the cycle Automatic The cycle is interrupted PL Pause too long during the cycle Automatic The cycle is interrupted LP Low pressure Automatic The compressors and pump down are disabled HP High pressure Manual Compressors off OC Compressor not working Manual Compressors off OF Fans not working Manual Fans and compressors off OV Compressor or fans not working Manual Fans and compressors of
49. ed with a pCO board proceed as follows in sequence 4 enter configuration mode see above pressing 9 dl and E at the same time for at least 5 seconds 5 press twice the cursor will move to the I O Board address field 6 select the address of the pCO board being configured and confirm by pressing The pCO will then start the configuration procedure sending a screen similar to the following Terminal config Press ENTER to continue 7 Press again the configuration screen will be shown similar to the following P 01 Adr Priv Shared Temi 32 sh Trm2 02 Pr Irmo cm 8 Change the terminal configuration as required The button is used to move the cursor from one field to another while A and Aly change the value of the current field The P xx field displays the address of the pCO board selected in the example shown in the figure this is board 1 9 To exit the configuration procedure and save the data select the Ok field set Yes and confirm by pressing During the configuration procedure if the terminal remains inactive no button pressed for more than 30 seconds the pCO board automatically interrupts the procedure without saving any changes Important if during the operation the terminal detects the inactivity of the pCO board being displayed the display is cancelled completely and a message similar to the following is shown I O board 01 fault Blast Chil
50. emperature control follows the diagram in Fig 4 4 the differential for each phase is half of the control differential while the set point for the second phase is equal to the control set point plus half of the control differential Set point Blast chiller Cont diff gt lt Cont diff y temperature 2 2 Control differential Fig 4 4 Temperature control with second phase If there is more than one blast chiller freezer probe the value is calculated considering the values read by the various probes and the settings defined for the type of calculation which may be Highest the temperature of the blast chiller is the highest of the values read Average the temperature of the blast chiller is the average of the values read Note the set point and the differential can be adjusted by a set point deviation with day night switch and a differential deviation with day night switch when the digital input is active the set point used then is the set plus the set point deviation and the differential is the differential plus the differential deviation 4 3 Compressor management Parameters number of compressors parallel operating mode of the compressors delay when starting the compressors minimum time between starts of the same compressor minimum on time minimum off time second phase delay enable rotation compressor stop when opening the door door open delay parallel operating mode Output compressor second phas
51. enser fans pump down second phase compressor probe heater DO3 Compressor defrost generic alarm evaporator fans lights aux output sterilisation condenser fans pump down second phase compressor probe heater DO4 Compressor defrost generic alarm evaporator fans lights aux output sterilisation condenser fans pump down second phase compressor probe heater DO5 Compressor defrost generic alarm evaporator fans lights aux output sterilisation DO 6 condenser fans pump down second phase compressor probe heater Compressor defrost generic alarm evaporator fans lights aux output sterilisation DO 7 condenser fans pump down second phase compressor probe heater Compressor defrost generic alarm evaporator fans lights aux output sterilisation DO 8 condenser fans pump down second phase compressor probe heater Blast Chiller 030220851 rel 1 1 28 02 2008 gt N pco Blast chiller temperature 1 product temperature1 evaporator temperature condenser temperature product temperature 2 product temperature 3 blast chiller temperature 2 blast chiller temperature 3 antifreeze Blast chiller temperature 1 product temperature1 evaporator temperature condenser temperature product temperature 2 product temperature 3 blast chiller temperature 2 blast chiller temperature 3 antifreeze Blast chiller temperature 1 product temperature1 evaporator temperature condenser temperature product temperatu
52. ensor night day switch activate aux output pco Compressor defrost generic alarm evaporator fans lights aux output sterilisation condenser fans pump down second phase compressor probe heater Compressor defrost generic alarm evaporator fans lights aux output sterilisation condenser fans pump down second phase compressor probe heater Compressor defrost generic alarm evaporator fans lights aux output sterilisation condenser fans pump down second phase compressor probe heater Compressor defrost generic alarm evaporator fans lights aux output sterilisation condenser fans pump down second phase compressor probe heater Compressor defrost generic alarm evaporator fans lights aux output sterilisation condenser fans pump down second phase compressor probe heater CAREL Analogue outputs No pCO Small pco Y Evaporator fans condenser fans sterilisation Evaporator fans condenser fans sterilisation 2 Evaporator fans condenser fans sterilisation Y3 Evaporator fans PWM condenser fans PWM Ya AA The following tables on the other hand show the standard configurations used by default Analogue inputs No pCO Small pco BI Room temperature 1 B2 Product temperature 1 B3 Evaporator temperature B4 Condenser temperature B5 Digital inputs No pCO Small pco DI On Off ID 2 Generic alarm ID 3 Low pressure ID 4 Door switch ID 5 Activate defrost ID 6 Overload ID ID 8
53. ent cycle A 2 a Last cycle completed to Blast chiller freezer temperature the highest or the average value if more than one probe is used depending on the value set for the blast chiller Product temperature 2 a temp probe management parameter blast chiller C 50 0 to 90 0 Blast Chiller 030220851 rel 1 1 28 02 2008 31 CAREL y Blast chiller freezer temperature the highest or the average value if more Blast chiller freezer than one probe Is used depending on the value set for the blast chiller temperature 2 a temp probe management parameter blast chiller C 150 0 to 90 0 Timer 2 a Duration of the last cycle completed min 0 to 9999 Standard cycles 2b Standard cycles 1 to 8 1 Custom cycles 2 c Custom cycles 1 to 10 1 Conservation LA main menu Blast chiller freezer temperature the highest or the average value if more than one probe Is used depending on the value set for the blast chiller Product temperature 3 temp probe management parameter blast chiller C 50 0 to 90 0 Blast chiller freezer temperature the highest or the average value if more Blast chiller freezer than one probe Is used depending on the value set for the blast chiller temperature 3 temp probe management parameter blast chiller C 150 0 to 90 0 minimum blast chiller freezer temperature set point to maximum blast chiller freezer Set point 3 Blast chiller
54. er supply common 124 3 power supply for 0 5 V ratiometric probes 1 4 2 Technical specifications of the pCO Small board Analogue inputs Analogue conversion 10 bit A D converter embedded in CPU Maximum number 5 Universal 6 inputs B1 B2 B3 B6 B7 B8 CAREL NTC 50T90 C R T 10kQ 1 at 25 C or HT NTC 0T150 C Voltage 0 to 1 Vdc 0 to 5 Vdc ratiometric or 0 to 10 Vdc Current 0 to 20 mA or 4 to 20 mA Input resistance 1000 Can be selected via software Passive 4 inputs B4 B5 B9 B10 CAREL NTC 50T90 C R T 10kG2 1 at 25 C PT1000 100T200 C R T 1kQ to 0 C or digital input from voltage free contact Type Can be selected via software Normally open open closed open 250ms Minimum normally open voltage free digital input detection time Normally closed closed open closed 250ms NTC input precision 0 5 C PT1000 input precision LC 0 1V input precision 3mV 0 10V input precision 30mV 0 5V input precision 15mV 0 20 mA input precision 0 06 mA Blast Chiller 030220851 rel 1 1 28 02 2008 8 CAREL MN Important the 21Vdc available at the Vdc terminal J2 can be used to power any active probes The maximum current is 150 mA thermally protected against short circuits To supply the 0 to 5 V ratiometric probes use the 5V available at terminal 5Vref 124 The maximum current is 60 mA Digital inputs Type Maximum number Minimum digital input impulse detection time Power supply to the
55. ettings kell main menu Password 6 User password 0 to 9999 1234 End cycle 6 a a Select type of end cycle temperature time Temperature minimum blast chiller freezer temperature set point to maximum blast chiller freezer Blast chiller set point 6 a a Blast chiller temperature set point C temperature set point 0 0 minimum product set point Product set point temperature if the cycle finishes by time this value is temperature to maximum Product set point 6 a a ignored C product set point temperature 3 0 Duration of the cycle if the cycle finishes by temperature this is the Phase duration x 6 aa maximum duration of the cycle min 0 to maximum cycle duration 90 Conservation 6 a a Conservation phase set after the cycle ends NO YES YES minimum blast chiller freezer temperature set point to maximum blast chiller freezer Cons set point 6 a a Blast chiller freezer temperature set point during the conservation phase C temperature set point 2 0 Defrost before cycle 6 a a Defrost set before running the cycle NO YES YES Defrost before cons 6 a a Defrost set before the conservation phase NO YES YES Custom cycle number 6 aa Number of the custom cycle to be saved 1 to 10 1 Custom cycle name 6 aa Name of the custom cycle 15 fields Ato Z atoz 0to9 Note Blast Chiller features the same mode for setting the custom cycle pa
56. ettings Used to select and set the parameters that can be configured by the manufacturer 5 7 h I O test Used to check the status and the operation of the input and output channels 5 7 1 Initialisation PW3 This screen is used to restore the default parameter values set by CAREL choosing CAREL default cancels all the custom settings made and reboots Blast Chiller restoring with the initial settings In addition password PW3 can be changed 5 8 Wl clock This menu Is used to set the date and time of the Blast Chiller clock Note the type of date and time display may be selected using the corresponding parameter 5 9 El Data log The data log menu is used to access the list of HACCP alarms the other alarms and print the HACCP reports This screen in fact features three submenus e 9 4 HACCP displays the HACCP alarms e 9 b Alarms displays all the other alarms e _ 9 c Print used to print the last ten HACCP alarms and the last ten cycles completed Blast Chiller 030220851 rel 1 1 28 02 2008 30 5 10 El Lock keypad Used to lock unlock the keypad To lock unlock the keypad press ESC and NT together To prevent unauthorised personnel from changing the Blast Chiller settings once the keypad has been locked it can only be unlocked by entering one of the three passwords PW1 PW2 or PW3 CAREL The following table shows all the parameters divided by the functions they refer to the columns in the table show
57. f PP Product probe not inserted correctly Automatic The cycle ends by time OP Overload excess product Automatic cht High condenser temperature warning clean the condenser Automatic CHT High condenser temperature alarm Manual Compressors off PD Warning pump down ended after exceeding maximum duration Automatic Auto start procedure disabled Ed Warning defrost ended after exceeding maximum duration Automatic MCI Compressor maintenance required Manual MC2 Compressor 2 maintenance required Manual MEF Evaporator fan maintenance required Manual MCF Condenser fan maintenance required Manual MU Unit maintenance required Manual ML UV light maintenance required Automatic Sterilisation not available Etc Clock not working Manual Cannot schedule the actions defrost lights auxiliary outputs AFr Antifreeze alarm Manual Compressors off EE Controller not working Automatic Controller not working HI High temperature alarm Automatic Disabled if the door remains open for a preset time and after defrost LO Low temperature alarm Manual Compressors off and disabled during continuous operating mode Ptr Printer not working Manual Printer disabled 7 1 High and low temperature alarm Parameters high temperature alarm threshold low temperature alarm threshold temperature alarm differential type of temperature alarm threshold high temperature alarm delay low temperature alarm delay enable high temperature alarm enable low temperature alarm Description
58. former secondary Is earthed check that the earth wire corresponds to the wire that runs to the controller and enters terminal GO This applies to all the devices connected to the pCO a yellow LED indicates that power is connected to the pCO Blast Chiller 030220851 rel 1 1 28 02 2008 13 e avoid touching or nearly touching the electronic components fitted on the boards to avoid electrostatic discharges extremely damaging from the operator to the components e ifthe power transformer secondary is earthed check that the earth wire corresponds to the wire that runs to the controller and enters terminal GO this applies to all the devices connected to the pCO e do not secure the cables to the terminals by pressing the screwdriver with excessive force to avoid damaging the pCO e _ for applications subject to considerable vibrations 1 5 mm pk pk 10 55 Hz secure the cables connected to the pCO around 3 cm from the connectors using clamps e ifthe product is installed in industrial environments application of the EN 61000 6 2 standard the length of the connections must be less than 30 m e all the very low voltage connections analogue and 24 Vac Vdc digital inputs analogue outputs serial bus connections power supplies must have reinforced or double insulation from the mains network e in residential environments the connection cable between the pCO and the terminal must be shielded e _ there is no limit to the number of ca
59. freezer temperature set point C temperature set point Alarms HACCP alarms product probe error conservation phase setting Signals 3 defrost fans compressors to Sterilisation 5 main menu Output 4 Value of the sterilisation analogue output 0 to 100 0 Blast chiller freezer temperature the highest or the average value more than Blast chiller freezer one probe is used depending on the value set for the blast chiller temp temperature 4 probe management parameter blast chiller C 50 0 to 90 0 0 to maximum sterilisation Timer 4 Time remaining until the conclusion of the sterilisation process min duration 100 FR Door open sterilisation x completed sterilisation not Sterilisation status 4 Sterilisation status completed 0 to maximum sterilisation Sterilisation duration 4 Sterilisation duration set point min duration 20 Output 4 Sterilisation analogue output set point Oto 100 0 0 to maximum sterilisation Sterilisation duration 4 Sterilisation duration min duration 1000 Heat probe LE main menu Product temperature the highest or the average value if more than one probe is used depending on the value set for the blast chiller temp probe Product temperature E 5 management parameter blast chiller C 50 0 to 90 0 Probe heating completed temperature in the heart too Probe heating status 5 Probe heating status high S
60. functions tree described above my Lem rd in Room Lemp max seleoini Fig 5 4 Note Fig 5 4 shows an example of the reference to the Blast Chiller screen map ba01 in fact indicates that inside the menu after having chosen branch b and sub branch a the user has accessed the screen for configuring the serial port 5 7 a Information This menu shows information on the hardware and the firmware and software versions are eae i FLSTOMNFCOE Ver 1 0615 Hardware Pcs mogbi bie Ba BAR Be Sigs 64 10 Saree r Manual hsbe chess CAREL 5 7 b Maintenance settings This branch includes the following functions e 7 b a Config serial ports used to set all the parameters required for connection to the supervisory system which depend on the type of optional board and connection protocol selected e 7 b bSetop hours used to select the various time thresholds for the planned maintenance of the various devices e 7 b c Calibrate probes used to set the offset to be added to subtracted from the value read by the probe so as to give a more accurate indication of the temperature acquired e 7 b d Temperature control features the parameters relating to temperature control these can be modified when starting or during the maintenance of Blast Chiller except those covered by the manufacturer access level password PW3 5 7 0 Manual management Used to switch from automatic to manual operating mode f
61. hed This procedure Is called auto start Blast Chiller 030220851 rel 1 1 28 02 2008 2 Note the auto start procedure observes the minimum compressor off time and minimum time between different starts of the same compressor but not the minimum on time If this procedure has been disabled pump down is run whenever the temperature control process calls the compressor to stop if on the other hand auto start is enabled the pump down procedure Is run even when the low pressure switch signals that the pressure has increased and there is no call to start the compressor Auto start is disabled in the following cases e Blast Chiller is off before startup if the corresponding parameter is set to 0 in the event of pump down alarms if the pump down procedure ends after having exceeded the expected duration 4 3 4 Input Generic alarm Stop compressor due to generic alarm Parameters compressor operating time with generic alarm compressor off time with generic alarm Output compressor second phase compressor Description of the function if any generic alarm has been activated Blast Chiller works in similarly to duty setting mode In fact in the event of generic alarms the compressor can be kept on until the problem has been identified and resolved The compressor Is on for a compressor operating time with generic alarm set by parameter and off for a compressor off time with generic alarm Setting the corresponding p
62. hreshold or if necessary show a message that indicates the reason why the probe did not start heating The operation of this menu is similar to the previous one Sterilisation 5 6 EH Settings The Settings menu accesses the pages of the functions available only to advanced users in fact to access this menu a password needs to be entered PW1 Remember that some screens are only displayed if the corresponding functions are available The menu shows SETTINGS at the top and four submenus in the middle a Custom cycle b Storage c Operating hours and d Change language which correspond to four icons 5 6 a Custom cycle This submenu is used to define a custom cycle First of all the user can choose the standard cycle to use as the basis for creating the custom cycle e 6 a a From std 3 C soft e _ 6 a b From std 3 C hard e 6acFromstd 18 C soft e _ 6 a d From std 18 C hard e 6 a e Complete that is three phases The two basic cycles 6 a a and 6 a d both contain the parameters for the cycle with just one phase the parameters can be set using A and ly to increase or decrease the values and the values must be confirmed by pressing Once the value of the parameter has been set the cursor automatically moves to the next parameter and after having set the last parameter the screen for saving the custom cycle is displayed The same thing occurs when selecting the two cycles 6 a b and 6 a c two phases however there ar
63. ig 4 2 If one of the time parameters T1 T2 T3 is set to zero the corresponding phase is skipped If a cycle is being managed by time the product set points P1 P2 and P3 are not evaluated if on the other hand a cycle is managed by temperature the time parameters T1 T2 and T3 are used as maximum duration of the three phases if the set point P3 is not reached throughout the cycle T1 T2 T3 this does not end but rather continues until the set point is reached with an alarm signalling the event If at the end of the cycle a conservation phase is set Blast Chiller brings and maintains the blast chiller freezer at the set conservation temperature The end of a cycle is signalled by an audible buzzer Note if when running a cycle there is a power failure or the door of the blast chiller freezer is opened the cycle starts again from the point it was interrupted if the duration is less than the set point if on the other hand the duration is greater than set point the cycle is terminated and an alarm signals the event Note when running a cycle custom cycles cannot be created or saved I How to use one of the standard cycles 1 from the main menu gt Cycle gt Standard cycle 2 scroll the list of the standard cycles using A and b 3 choose from the 8 available one of the standard cycles pressing for 3 seconds Blast Chiller 030220851 rel 1 1 28 02 2008 20 Note the cycle ends when the en
64. ighting white LEDs controlled by application software Graphic resolution 132x64 pixels Text modes 8 rows x 22 columns 5x7 and 11x15 pixel fonts 4 rows x 11 columns 11x15 pixel fonts or mixed modes Character height 3 5 mm 5x7 pixel fonts 7 5 mm 11x15 pixel fonts Size of the active area 66x32 mm Size of the display area 72x36 mm Keypad LEDs 3 programmed by application software red Alarm and green ON OFF and repeat cycle buttons Power supply Voltage power supply from pCO via telephone connector or from 18 30 Vdc external source protected by external 250 mAT fuse Maximum power input 1 2 W 3 1 1 Connecting the user terminal to the pCO board The typical connection between the pGD terminal and the pCO is made using a 6 wire telephone cable supplied by CAREL code SIOCONNOO see the table To make the connection simply plug the cable into the 6 pin connector on the pCO board J10 for the pCO and J5 for the pCO until it clicks into place To remove the connector lightly press the plastic catch and remove the cable The telephone connector provides both the data link and the power supply to the terminal User terminal interface connection cables length m code 0 8 S90CONN002 15 590CONN002 3 590CONNO01 6 590CONN003 a Important The membrane terminal is on the other hand already connected via the ribbon cable to the display interface 3 1 2 Installing the terminal To make the connection
65. inputs Classification of the measurement circuits IEC EN 61010 1 Analogue outputs Type Maximum number Power supply Precision Resolution Settling time Maximum load Digital outputs Insulation distance Makeup of the groups Number of changeover contacts Switchable power Max number of SSR outputs optically isolated no of optically isolated inputs at 24 Vac 50 60 Hz or 24Vdc Total Bo 8 Normally open open closed open 200 ms Normally closed closed open closed 400 ms 230 Vac or 24 Vac 50 60 Hz 10 15 External 24Vdc 10 20 Category 1 24 Vac Vdc Category 2 230 Vac optically isolated SMALL 24 Vac Vdc 2 of full scale 2 5 of full scale 8 bit outputs Y1 Y4 2s 2s or 15s selected via software 1 KQ 10mA The outputs can be divided into groups Between groups cells in the table there is double insulation and consequently these may have different voltages There is also double insulation between each terminal of the digital outputs and the rest of the controller The relays belonging to the same group individual cell in the table have basic insulation and therefore must have the same power supply 24 Vac or 230 Vac Reference for the relays with the same insulation Group 2 ito E 1 to 7 Type of relay Type A Type A 1 output 8 SPDT 2000VA 250Vac 8 A resistive UL873 2 5 A resistive 2 A FLA 12 A LRA 250Vac C300 pilot duty 30 000 cycles EN 60730 1 2 A resistive 2 A i
66. ins on for the duty setting on time then stopped and started again as illustrated in Fig 4 5 Compressor DI Pi Duty cycle OFF Duty cycle ON Time Prob q MAA error Min OFF time Min ON time amp _ _ _ gt _____ gt Second phase comp SI Duty cycle ON Time Min ON time Duty cycle OFF Min OFF time x Second phase delay Fig 4 5 Duty setting a If on the other hand the probe error occurs while the compressor is operating it remains on for the duty setting on time and is then stopped and remains off the duty setting off time then starting again as described in Fig 4 6 Compressor sioni Pa Duty cycle ON Duty cycle OFF Time Probe ec p error Min ON time Min OFF time e a o Y a Second phase comp Duty cycle ON Duty cycle OFF Time _ T __ gt gt e Min ON time Min OFF time gt gt x Second phase delay Fig 4 6 Duty setting b As soon as the probe errors are resolved normal control resumes CAREL Note if the second phase compressor has also been configured the two duty setting parameters act on both phases Rotation continues to be applied as does the minimum time between the starts of different compressors 4 3 2 Continuous operating mode Parameters continuous operating mode duration low temperature alarm delay after continuous operating mode Output compressor second phase compressor Description of the funct
67. ion during continuous operating mode the compressor continues operating normally ignoring temperature control for the entire duration of the operating mode The temperature of the blast chiller freezer may fall below the set point however cannot fall below the low temperature alarm threshold Consequently continuous operating mode can end for two reasons e the set duration elapses e _ the low temperature alarm threshold has been reached The mode can be activated if e the duration has been set to 0 e the temperature is below the low temperature alarm threshold Finally continuous operation remains pending when e the compressors timers are in progress e a compressor alarm Is active e the defrost dripping and post dripping functions are in progress e the door is open If one of the digital inputs has been configured as the door switch when the door Is opened continuous operating mode is stopped once the door is closed again the mode resumes from the point time where it was stopped If the second phase compressor has also been configured continuous operating mode acts on both phases and rotation and the compressors timers are observed 4 3 3 Pump down Input low pressure switch Parameters enable pump down select type of end pump down maximum pump down time enable compressor auto start in pump down delay time between pump down valve activation and compressor start Output compressor second phase compressor p
68. ity of such damage DISPOSAL INFORMATION FOR USERS ON THE CORRECT HANDLING OF WASTE ELECTRICAL AND ELECTRONIC EQUIPMENT WEEE In reference to European Union directive 2002 96 EC issued on 27 January 2003 and the related national legislation please note that e WEEE cannot be disposed of as municipal waste and such waste must be collected and disposed of separately e the public or private waste collection systems defined by local legislation must be used In addition the equipment can be returned to the distributor at the end of its working life when buying new equipment e the equipment may contain hazardous substances the improper use or incorrect disposal of such may have negative effects on human health and on the environment e the symbol crossed out wheeled bin shown on the product or on the packaging and on the instruction sheet indicates that the equipment has been introduced onto the market after 13 August 2005 and that it must be disposed of separately e in the event of illegal disposal of electrical and electronic waste the penalties are specified by local waste disposal legislation KEY TO THE ICONS NOTE to bring attention to a very important subject in particular regarding the practical use of the various functions of the product A IMPORTANT to bring critical issues regarding the use of the Blast Chiller to the attention of the user QS TUTORIAL some simple examples to accompany the user in configuring
69. ivate aux output On Off generic alarm door switch low pressure high pressure enable defrost activate defrost overload compressor overload fan overload light sensor night day ID 4 switch activate aux output On Off generic alarm door switch low pressure high pressure enable defrost activate defrost overload compressor overload fan overload light sensor night day ID5 switch activate aux output On Off generic alarm door switch low pressure high pressure enable defrost activate defrost overload compressor overload fan overload light sensor night day ID 6 switch activate aux output On Off generic alarm door switch low pressure high pressure enable defrost activate defrost overload compressor overload fan overload light sensor night day ID 7 switch activate aux output On Off generic alarm door switch low pressure high pressure enable defrost activate defrost overload compressor overload fan overload light sensor night day ID8 switch activate aux output Digital outputs No pCO Small Compressor defrost generic alarm evaporator fans lights aux output sterilisation DOI condenser fans pump down second phase compressor probe heater Compressor defrost generic alarm evaporator fans lights aux output sterilisation condenser fans pump down second phase compressor probe heater DO2 Compressor defrost generic alarm evaporator fans lights aux output sterilisation cond
70. kout is greater than the maximum blackout duration set the cycle is stopped If the blackout occurs during the conservation phase and the duration is greater than the value set for the corresponding parameter and at the end of the blackout the blast chiller freezer temperature is higher than the high temperature alarm threshold the following are saved e date and time e blackout duration e blast chiller freezer temperature after the blackout e the type of HACCP alarm blackout during the conservation phase If during the conservation phase the blast chiller freezer temperature exceeds the high temperature alarm threshold for a time greater than or equal to the high temperature Blast Chiller 030220851 rel 1 1 28 02 2008 25 alarm delay time plus the HACCP alarm delay time as illustrated in Fig 4 15 the following data are saved e date and time duration of the alarm e maximum temperature value reached by the blast chiller freezer e type of HACCP alarm that is blast chiller freezer high temperature Temperature Maximum temperature Alarm threshold Set point High temperature alarm HACCP alarm delay Alarm duration Fig 4 15 HACCP high temperature alarm 4 6 1 Using the printer Blast Chiller can be connected to a printer RS232 serial port for printing the data on the last cycles performed and the most recent HACCP alarms If the device has been correctly configured a report is printed a
71. lation from the rest of the controller 2 6 2 Changeover outputs Some relays feature changeover outputs Changeover relay reference pCO terminals pCO terminals 2 6 3 Solid state relay SSR digital outputs The pCO also features a version with solid state relays SSR for controlling devices that require an unlimited number of switching cycles and thus would not be supported by electromechanical relays They are dedicated to loads powered at 24 Vac Vdc with a maximum power Pmax 10 W Blast Chiller 030220851 rel 1 1 28 02 2008 16 SSR relay reference pCO terminals pCO terminals 4 5 MN Important the load of the SSR relay is powered at 24 Vac Vdc thus all the other terminals in the group from 1 to 6 must be powered at 24Vac Vdc due to the absence of double insulation within the group Moreover terminals from 1 to 6 can be powered at 110 230 Vac using a safety transformer Class 2 for the power supply to the 24 Vac Vdc load of the SSR relay 2 6 4 Summary table of digital outputs according to the versions available NO NC contacts changeo total SSR contacts ver no contacts outpu ts 7 Te 4 109 5 245 2 6 5 Remote connection of the digital outputs The sizes of the cables for the remote connection of the digital outputs are shown in the following table pCO terminals pCO terminals AWG Current 20 2 15 6 14 PEN E If the product is installed in industrial envi
72. ler 030220851 rel 1 1 28 02 2008 If the terminal detects the inactivity of the entire pLAN network that is no message Is received from the network for 10 consecutive seconds the display is cancelled completely and the following message is shown NO LINK To complete the Blast Chiller installation procedure set the pLAN address on the pCO the pCO and pCO controllers do not have dipswitches for setting the pLAN network address the pLAN address can be set from any pGD1 terminal on the models where fitted 1 Set address 0 on the terminal see the previous sections for details on how to select the address 2 Power down the pCO 3 Connect the terminal to the pCO 4 Power up the pCO pressing the UP and ALARM buttons together on the terminal After a few seconds the pCO runs the start up sequence and the display shows a screen similar to the following SHAH AHAHAHAH selftest please walt IHR 5 From the moment when the screen is displayed wait 10 seconds and then release the buttons 6 The pCO interrupts the start up sequence and shows a configuration screen similar to the following pLan address 0 UP increase DOWN decrease ENTER save amp exit Then change the pLAN address using the UP and DOWN buttons on the terminal 8 Confirm the address by pressing the ENTER button the pCO completes the start up sequence and uses the address specified MN Important for the Blast Chiller the pLAN addres
73. ller temperature 1 product temperature1 evaporator temperature condenser temperature product temperature 2 product temperature 3 blast chiller B2 temperature 2 blast chiller temperature 3 antifreeze Blast chiller temperature 1 product temperature1 evaporator temperature condenser temperature product temperature 2 product temperature 3 blast chiller B3 temperature 2 blast chiller temperature 3 antifreeze Blast chiller temperature 1 product temperature1 evaporator temperature condenser temperature product temperature 2 product temperature 3 blast chiller B4 temperature 2 blast chiller temperature 3 antifreeze Blast chiller temperature 1 product temperature1 evaporator temperature condenser temperature product temperature 2 product temperature 3 blast chiller B5 temperature 2 blast chiller temperature 3 antifreeze Digital inputs No pCO Small On Off generic alarm door switch low pressure high pressure enable defrost activate defrost overload compressor overload fan overload light sensor night day ID 1 switch activate aux output On Off generic alarm door switch low pressure high pressure enable defrost activate defrost overload compressor overload fan overload light sensor night day ID 2 switch activate aux output On Off generic alarm door switch low pressure high pressure enable defrost activate defrost overload compressor overload fan overload light sensor night day ID 3 switch act
74. m output Maximum output Maximum output Fig 4 9 Modulating evaporator fan control Minimum output Set point Evaporator temp Note if the version fitted on the pCO board is being used a PWM analogue output can be managed If output Y3 is configured for the evaporator fans these must also be managed by the parameters relating to maximum and minimum phase shift triac pulse width and mains frequency In this mode the following hardware modules can be connected FCS CONVONOFF CONVO 10A0 or MCHRT series Blast Chiller 030220851 rel 1 1 28 02 2008 25 4 4 2 Condenser fans Input Condenser temperature Parameters condenser fan off temperature set point condenser fan off differential condenser fan start delay at power up Output condenser fans Description of the function the condenser fans can be managed in modulating mode described in Fig 4 11 or on off mode Fig 4 10 if both the condenser fan temperature probe and the output have been configured First start Set point Condenser temperature Differential Fig 4 10 ON OFF condenser fan control Maximum output Minimum output Fig 4 11 Modulating condenser fan control Condenser temperature The behaviour is however different when the compressor is first started as the activation threshold has as fixed differential of 0 2 C In the event of probe errors the fans are always on If compressor sto
75. mode S 0 to 9999 30 Enable pump down 7 8 828 Enable pump down NO YES NO P down valve and comp delay 7 2 828 Pump down valve and compressor delay S 0 to 9999 30 End pump down 7 2 g29 Select type of end pump down By time by press By time Compressor auto start during pump down E 7 8 829 Enable auto start compressor during pump down NO YES NO Max pump down time 7 8 829 Maximum pump down duration min 0to9999 5 Comp on time with generic alarm 7 8 830 Compressor operating time with generic alarm min 0 to 9999 5 Comp off time with generic alarm 7 8 830 Compressor off time with generic alarm min Oto 9999 10 Evap fan with comp off 7 8 831 Evaporator fan behaviour with compressor off Always on on with comp Always on Cond fan setp 7 2 831 Temperature set point to stop condenser fans C 1 50 0to 90 0 35 0 Cond fan diff 7 2 231 Temperature differential to stop condenser fans C 0 0t090 0 2 0 Min phase control 7 2 832 Minimum phase shift for PWM output 0 to 100 25 Max phase control 7 8 832 Massimo phase shift for PWM output 0 to 100 75 Triac pulse width 7 8 832 Triac pulse width for PWM output ms 0 0 to 10 0 2 5 Mains frequency 7 g 832 Mains frequency for PWM output Hz 50 60 50 Off time with light sensor 7 8 233 Off time with light sensor min Oto 9999 5 Light activation in Off status ci 7 8 833 Light activation in OFF status ON OFF OFF Aux activation in Off status 7 2 833 Auxiliary output activation in OFF status ON OFF
76. n 2 C Standard 18 C by temperature soft 0 C SRG 120 min 35 C 18 C 120 min 20 C Standard 18 C by temperature hard Standard 18 C by time soft 0 C f 120min 35 C 10min_ 20 C Standard 18 C by time hard 35 C f u20mn _ 35 20min 20 C Blast Chiller 030220851 rel 1 1 28 02 2008 19 CAREL Blast Chiller also allows the user to define up to ten custom cycles changing the values of the parameters according to needs The custom cycles can be set starting from one of the standard cycles made up of two phases or alternatively using the complete option made up of three phases all configured by the user 1 quick chill 2 controlled chill 3 quick freeze Temperature 1 quick chill 2 controlled chill 3 quick freeze N N N N PI i N N DI sten P2 ma m Pta i N i N Time p 2 N tin q a x AI RE 3e i N P3 A3 A henge Product temperature probe Unit temperature probe Fig 4 2 Complete cycle Phase 1 is used to quickly chill food that has just been cooked phase 2 to avoid the formation of ice on the surface of the products and phase 3 to freeze quickly Each phase has the following parameters e blast chiller temperature set point A1 A2 A3 in Fig 4 2 e duration cycle by time or maximum duration cycle by temperature T1 T2 T3 in Fig 4 1 e product temperature set point for the final phase cycle by temperature P1 P2 P3 in F
77. nds by time Overload When the cycle starts or the door is closed a check is performed to evaluate the risk of overload If the outcome Is negative the check is repeated after a set check period and if still negative an overload alarm is signalled The check is performed both on the blast chiller freezer temperature and the product temperature 4 2 Temperature control Input blast chiller freezer temperature probes day night switch Parameters blast chiller freezer temperature set point control differential type of blast chiller freezer temperature value calculation set point deviation with day night switch differential deviation with day night switch parallel operating mode of the compressors Description of the function CAREL temperature control is performed by evaluating the temperature of the blast chiller freezer and generating the temperature control request as shown in the following figure Blast chiller temperature Set point Control differential Fig 4 3 Temperature control If a compressor has been configured for the second phase there are two possible situations If parallel operating mode is selected temperature control follows the diagram in Fig 4 3 the differential and the set point for each phase are the same and the second phase is activated after having waited the delay time between the start of different compressors if on the other hand parallel operating mode has not been selected then t
78. nductive cosp 0 6 2 2 A 100 000 cycles ak Relay ratings relay PCO approval 1 output 7 AN Important the groups that the digital outputs are divided into have two common pole terminals to simplify wiring make sure that the current running through the common terminals does not exceed the rated current of an individual terminal that is 8 A 1 4 3 Plastic case Assembly Material Flame retardance Ball pressure test Resistance to creeping current Colour 1 4 4 Operating conditions Storage conditions Index of protection Environmental pollution Class according to protection against electric shock Mechanical specifications of the pCO Small board Mechanical dimensions 13 DIN modules 110 x 227 5 x 60mm Fitted on DIN rail as per DIN 43880 and IEC EN 50022 Technopolymer VO UL94 and 960 C IEC 695 125 C gt 250 V Grey RAL7035 Other specifications of the pCO Small board 25T70 C 90 rH non condensing 40T70 C 90 rH non condensing IP20 IP40 on the front panel only 2 to be integrated into Class 1 and or 2 appliances PTI of the insulating materials 250 V Period of stress across the insulating parts long Type of action IC Type of disconnection or microswitching microswitching for all relay outputs Category of resistance to heat and fire Category D Immunity against voltage surges Category 1 Ageing characteristics operating hours 80 000 No of automatic operating cycles 100 00
79. o that if no other light is detected it means that the door is closed and therefore the inside light is kept off while it remains on if the door is found to be open If the off time with light sensor parameter is set to 0 it means that the sensor is located on the door frame 4 8 Auxiliary output Input activate auxiliary output Parameters day hours and minutes the auxiliary output is activated day hours and minutes the auxiliary output is deactivated auxiliary output controlled by the user auxiliary output activation in OFF status Output auxiliary output Description of the function the auxiliary output can be controlled by a digital input if configured the keypad a supervisor and daily time bands The possibility to control the output from the keypad must be configured by the manufacturer otherwise the user will not be able to access the settings Control by the daily time bands can be activated even if Blast Chiller is off by setting the auxiliary output activation in OFF status parameter accordingly 4 9 Antifreeze Input antifreeze temperature probe Parameters antifreeze temperature alarm threshold antifreeze alarm delay Description of the function the antifreeze function is only active if the antifreeze input has been configured When the antifreeze temperature is lower than the antifreeze temperature alarm threshold for a time equal to the antifreeze alarm delay an antifreeze alarm is gener
80. of the function the high and low temperature alarm thresholds may be either absolute or relative to the set point depending on the settings made for the type of temperature alarm threshold The management of the high and low temperature alarms is displayed in Figure 7 1 with relative thresholds the operating principle is the same for the absolute thresholds considering the appropriate values The high and low temperature alarms can be disabled by setting the enable disable high and low temperature alarm parameters Blast Chiller 030220851 rel 1 1 28 02 2008 59 Low temperature alarm High temperature alarm Blast chiller temperature Differential Differential Low temp thresh High temp thresh Fig 7 1 High and low temperature alarm CAREL Blast Chiller can be connected to various supervisory systems using the following BMS communication protocols Carel Modbus and Lon A BMS or FieldBus serial port is used for the connection The various connection protocols are managed using the following optional cards Carel RS485 code PCOS004850 Carel RS232 code PCO100MDMO code PCOS00FD20 Modbus RS485 code PCOS004850 Lon Works FTT10 code PCO10000F0 BACnet RS485 code PCO1000BA0 BACnet Ethernet code PCO1000WBO Trend code PCO100CLPO Blast Chiller uses the CAREL PlantVisor PRO software as the supervisor application The table below shows the variables sent to the supervisor Tipe Digital Digital
81. or each device connected to the Blast Chiller The digital outputs can be ON or OFF while for the analogue outputs the percentage can be selected The default values are Auto Manual operating manual ignores temperature control but not the thresholds for the various alarms so as to guarantee the safety of the system This mode is usually used to test the operation of the individual devices or to set a preset value for a certain output 5 7 d Default PW2 Alarms Used to set the default values for the manufacturer parameters therefore cancelling all the custom settings and rebooting Blast Chiller with the default settings This screen can also be used to change password PW2 and delete the data relating to the alarms that have been saved 5 7 Configuration To select all the main functions of the Blast Chiller such as the operation of each device or whether or not the various components and accessories are fitted Sat I O configuration In this menu the functions can be set for each individual I O channel for each input or output a connected probe or device can be selected Once a probe or a device has been selected and assigned to the respective input or output it can no longer be selected For the digital I Os the type of device can also be set NO or NC for the analogue outputs the maximum and minimum values can be set while for the digital inputs the type of probe and the operating range can be configured 5 7 8 Manufacturer s
82. p due to generic alarm has been configured in such a way that the compressor remains on when an alarm occurs and in addition the condenser fan temperature probe and the output have been configured the fans will always be on based on control If the condenser temperature probe has not been configured yet the output has been configured the fans are always off Note if the version fitted on the pCO board is being used a PWM analogue output can be managed If output Y3 is configured for the condenser fans these must also be managed by the parameters relating to maximum and minimum phase shift triac pulse width and mains frequency In this mode the following hardware modules can be connected FCS CONVONOFF CONVO 10A0 or MCHRT series 45 Defrost Input enable defrost activate defrost evaporator temperature probe Parameters type of defrost time between defrosts start defrost temperature threshold end defrost temperature threshold maximum defrost duration defrost activation delay dripping time compressor protection In relation to defrost priority defrost day and time on real time clock temperature controlled defrost differential Output defrost relay Description of the function the defrost function can be activated in the cases following e before running a cycle if set before starting the conservation phase If set in the conservation phase if the time between defrosts has expired in the conservation phase if set u
83. ped until this time has elapsed In the event of overload this time is ignored e _ Minimum off time once off the compressor cannot be started again until this time has elapsed e The parameters described here are valid for both compressors compressor and second phase compressor If the door is opened the compressors either remain in their current status or are switched off depending on the settings made in the section corresponding to shutdown with the door open If the door is opened longer than the door open delay the compressor is reset and starts operating normally If the second phase compressor has been set operation is the same as described in the previous paragraph 4 3 1 Duty setting Input blast chiller freezer temperature probes Parameters duty setting on time duty setting off time Output compressor second phase compressor Description of the function in the event of control probe errors the compressor can be kept on until the problem is resolved The compressor remains on for a duty setting on time and off for a duty setting off time If the duty setting on time is set to 0 the function is ignored and the compressor remains off in the event of probe errors If on the other hand the duty setting off time is set to 0 the compressor operates continuously in the event of probe errors If the probe error occurs while the compressor is off this remains off for the duty setting off time and then is started and rema
84. perature sensor in the blast chiller used to control the compressor chill A cycle can also be defined as soft or hard the meaning of soft and hard differs hard two phases according to whether it refers to a chill cyde or a freeze cycle by temperature For the chill cycles if soft Blast Chiller works for the entire duration of the cycle soft two phases considering the final temperature of the blast chiller as the set point usually around freeze 0 C on the other hand if the cycle is hard Blast Chiller works with two different hard one phase Product temperature Product Chill cycles temperature Freeze cycles start cycle end cycle start cycle end cycle Fig 4 1 Chill cycles hard and soft and freeze cycles hard and soft Blast Chiller features the following preset standard cycles e Standard 3 C by temperature soft Standard 3 C by temperature hard Standard 3 C by time soft Standard 3 C by time hard Standard 18 C by temperature soft Standard 18 C by temperature hard Standard 18 C by time soft Standard 18 C by time hard These cycles are set according to the following set points and durations phase 1 phase 2 Conservation Cycle product time chiller freezer product time blast chiller freezer Standard 3 C by temperature soft 90 min 0 min Standard 3 C by Eye Standard 3 C by time soft ar te cc EI O min 2 C Standard 3 C bytimehard 20 C 60mm_ To 30mi
85. r is ignored before a cycle min Oto 9999 5 Probe not inserted differential 7 8 17 Differential for control probe not inserted C 0 0 to 20 0 3 0 Sample time 7 2 817 Time for checking incorrect probe insertion and product overload min 0 to 9999 5 0 not used 1 temperature with heater 2 temperature with gas 3 time with heat 4 time with gas Type of defrost 7 2 218 Type of defrost 5 temp con w heat Start defrost t 7 8 18 Start defrost threshold set point C 50 0to 90 0 3 0 End defrost t ES 7 2 g18 End defrost threshold set point C 50 0 to 90 0 4 0 Defrost activation delay 7 g g19 Start defrost delay after reaching the threshold S 0 to 9999 180 Defrost delay output 7 2 g19 Defrost output activation delay S 0 to 9999 10 Min time between def 7 g g20 Minimum time between different defrosts min 0 to 480 30 Min defrost duration 7 2 820 Minimum defrost duration S 0 to 9999 120 Max defrost duration 7 2 820 Maximum defrost duration min Oto 480 10 Time between defrosts 7 2 g21 Time between different defrosts h 0 to 999 8 Dripping time 7 g g21 Dripping duration S 0 to 9999 120 Post Dripping time ES 7 8 g21 Fan off time after dripping min Oto 15 1 Comp prot priority over def 7 8 822 Compressor protection or defrost priority Comp Defrost Comp Blast Chiller 030220851 rel 1 1 28 02 2008 36 CAREL Defrost differential with
86. rameters for all three phases shown above the default values change for each phase shown on the individual screen during the creation of a cycle Blast Chiller 030220851 rel 1 1 28 02 2008 32 CAREL y minimum blast chiller freezer temperature set point to maximum blast chiller freezer Conservation set point 6 b a Blast chiller freezer temperature set point in conservation C temperature set point 2 0 0 not used 1 start conservation time between defrost 2 time set time between defrost Defrost scheduler 6 b b Type of defrost scheduler 3 time set 1 Monday to Sunday Mon to Day E 6 b b Day of activation of the first defrost Fri Mon to Sat weekends Hours and minutes of the first defrost The next will be run after the time between defrosts or at the time set for the second defrost according to the 0 to 23 0 Time of the first defrost 6 b b settings of the defrost scheduler parameter a 0 to 59 0 Time of the eighth 0 to 23 0 defrost 6 b b Hours and minutes of the eighth defrost ie 0 to 59 0 Evaporator fan control set point Parameter active only if the fans are controlled in relation to the temperature that is depending on the deviation Minimum fan control set point Evap fan control set between the blast chiller freezer temperature and the evaporator to Maximum
87. rd e aa Complete D Denn di is Temperature control bi Ed Defrost da e on BA operating hours d Fil change language PW1 Te 2 AA gt PW2 maintenance a Information b Maintenance settings Config serial ports Set op hours Calibrate probes OJa Jojo Temperature control C Manual management d Default PW2 Alarms gt PW3 manufacturer e Configuration f I O configuration g Manufacturer settings ha 1 0 test i Initialisation PW3 Ss W clock T El Data log a M uacce b E Alarms ey Elprint UL El Lock keypad Blast Chiller 030220851 rel 1 1 28 02 2008 21 The Blast Chiller screen can be divided into 4 main areas containing different information Menu branch accessed by the user where the address of the screen relating to the menu map may be displayed in the top right corner see Fig 5 4 Main values relating to the function in question Various information see the table below Tools for navigating the Blast Chiller software Js o n Specifically the bar at the bottom 3 features the following icons O Conservation phase set Defrost in progress or pending if flashing Compressors on Fans on Alarms active HACCP alarms active u Product probe error The right of the bottom bar 4 on the other hand contains the following information T C M k Start custom cycle E stop Access auxiliary output control Access conservation phase settings a
88. re 2 product temperature 3 blast chiller temperature 2 blast chiller temperature 3 antifreeze Blast chiller temperature 1 product temperature1 evaporator temperature condenser temperature product temperature 2 product temperature 3 blast chiller temperature 2 blast chiller temperature 3 antifreeze pco On Off generic alarm door switch low pressure high pressure enable defrost activate defrost overload compressor overload fan overload light sensor night day switch activate aux output On Off generic alarm door switch low pressure high pressure enable defrost activate defrost overload compressor overload fan overload light sensor night day switch activate aux output On Off generic alarm door switch low pressure high pressure enable defrost activate defrost overload compressor overload fan overload light sensor night day switch activate aux output On Off generic alarm door switch low pressure high pressure enable defrost activate defrost overload compressor overload fan overload light sensor night day switch activate aux output On Off generic alarm door switch low pressure high pressure enable defrost activate defrost overload compressor overload fan overload light sensor night day switch activate aux output On Off generic alarm door switch low pressure high pressure enable defrost activate defrost overload compressor overload fan overload light s
89. re alarm enable Fan status during defrost Compressors control mode Enable pumpdown Alarms reset Buzzer reset Manufacturer parameters restore On off by supervisor system Manual defrost by supervisor system Light on off by supervisor system Auxiliary on off by supervisor system Conservation phase presence after the cycle Celsius Fahrenheit temperature measure unit Pause too long during cycle Door opened during cycle Reset alarm history Fan overload alarm Overload alarm High pressure alarm Room temperature probe 1 Room temperature probe 2 Room temperature probe 3 Product temperature probe 1 Product temperature probe 2 Product temperature probe 3 Evaporator temperature probe Condenser temperature probe Antifreeze temperature probe Evaporator fan analog output Condenser fan analog output Sterilization analog output Product setpoint Product temperature Product setpoint during phase 1 Product setpoint during phase 2 Product setpoint during phase 3 Room setpoint Room setpoint during phase 1 Room setpoint during phase 2 Room setpoint during phase 3 Room temperature Antifreeze alarm threshold Condenser fan differential Condenser fan setpoint Differential of the condenser high temperature alarm Condenser high temperature alarm threshold Evaporator fan setpoint Evaporator fan differential High temperature alarm threshold HACCP Room temperature alarm differential High temperature alarm threshold Low
90. ressive and polluting atmospheres e g sulphur and ammonia fumes saline mist smoke so as to avoid corrosion and or oxidation strong magnetic and or radio frequency interference there avoid installing the units near transmitting antennae exposure of the pCO to direct sunlight and to the elements in general large and rapid fluctuations in the room temperature environments containing explosives or mixes of flammable gases exposure to dust formation of corrosive patina with possible oxidation and reduction of insulation Positioning the instrument inside the panel 2 1 2 The position of the instrument in the electrical cabinet must be chosen so as to guarantee correct physical separation of the instrument from the power components solenoids contactors actuators inverters and the connected cables Proximity to such devices cables may create random malfunctions that are not immediately evident The structure of the panel must allow the correct flow of cooling air Wiring procedure When laying the wiring physically separate the power part from the control part The proximity of these two sets of wires will in most cases cause problems of induced disturbance or over time malfunctions or damage to the components The ideal solution is to house these two circuits in two separate cabinets Sometimes this is not possible and therefore the power part and the control part must be installed inside the same panel For the con
91. rint last HACCP 9 Print last HACCP alarm NO YES NO Print last 3 HACCP 9 Print last 3 HACCP alarms NO YES NO Print last 10 HACCP 9 Print last 10 HACCP alarms NO YES NO Print last cycle 9 c Printlast cycle completed NO YES NO Print last 3 cycles A 9 c Print last 3 cycles completed NO YES NO Print last 10 cycles 9 c Print last 10 cycles completed NO YES NO Lock keypad Fl main menu Lock keypad 10 Used to lock the keypad See paragraph 5 10 Note all the temperatures can be expressed in degrees C or F depending on the setting of the corresponding parameter unit of measure 6 d Blast Chiller 030220851 rel 1 1 28 02 2008 38 CAREL The table below shows the list of alarms signalled by Blast Chiller These each have a code shown in the first column and a message that is displayed third column Code Description Type of reset Notes HA HACCP alarm high temperature Manual Disabled if the door remains open for a preset time HF HACCP alarm blackout during conservation Manual HC HACCP alarm blackout during cycle Manual HD HACCP alarm cycle ended after maximum time due to probe error Manual HE HACCP alarm cycle ended after maximum time Manual If only one probe Is fitted or both are faulty the duty setting function cannot be E01 Blast chiller freezer temperature probe 1 not working Automatic activat
92. ronments application of the EN 61000 6 2 standard the length of the connections must be less than 30 m This length shouldn t be exceeded in any case to avoid measurement errors CAREL 3 1 Graphic terminals Blast Chiller features of two types of graphic terminal one version for flush mounted or panel installation with plastic faceplate and another version with membrane keypad for assembly behind the panel terminal with plastic faceplate i a l l i j i i e i i Blast Chiller Dimensions Display Type FSTN graphic Backlighting white LEDs controlled by application software Graphic resolution 132x64 pixels Text modes 8 rows x 22 columns 5x7 and 11x15 pixel fonts 4 rows x 11 columns 11x15 pixel fonts or mixed modes Character height 3 5 mm 5x7 pixel fonts 7 5 mm 11x15 pixel fonts Size of the active area 66x32 mm Size of the display area 72x36 mm Keypad LEDs 2 programmed by application software red and orange Menu and Alarm buttons 4 green other buttons used to control the backlighting of the LCD Power supply Voltage power supply from pCO via telephone connector or from 18 30 Vdc external source protected by external 250 mAT fuse Maximum power input 1 2 W terminal with membrane front panel cycle A D d repeat Blast Chiller Blast Chiller 030220851 rel 1 1 28 02 2008 CAREL 17 Dimensions Display Type FSTN graphic Backl
93. rost at the start of the conservation phase and the next defrosts planned in the intervals between defrosts 2 first defrost at a certain time preset and the next defrosts planned in the intervals between defrosts 3 defrosts at set times up to 8 neben Imetenee ine errost hh mm hhi mm1 hh2 mm2 hh3 mm3 hh4 mm4 gt Y y viv Time Fig 4 13 Defrost scheduler Note the interval between defrosts must always be set as it is used if there are problems with the internal clock Real Time Clock 4 5 2 Advanced defrosts Parameters select type of advanced defrost nominal defrost duration proportional factor in the time variation between defrosts Description of the function there are three types of advanced defrost which can be set using the corresponding parameters 1 variable time between defrosts with this type of defrost the time between defrosts is increased or decreased depending on the duration of the previous defrost The defrost time is calculated as follows dE I 1 dn a oe 100 dP 50 where I a time between defrosts dn nominal duration of the defrost in normal operating conditions expressed as a percentage of the maximum defrost duration dE current duration of the previous defrost dP maximum defrost duration dH proportional factor used to increase or decrease the influence of the duration of the current defrost If dH 0 this has no influence The time between
94. s for any standard cycle Note up to 10 custom cycles can be saved after the tenth Blast Chiller overwrites one of the other custom cycles already configured with the new cycle created 4 1 1 Probe errors and overload Input blast chiller freezer temperature probes and product temperature probes Parameters probe differential not entered correctly probe delay out of range overload check period blast chiller freezer set point and product set point maximum duration of the cycle Description of the function there are three items relating to the value measured by the probes e product temperature out of range e product temperature probe not inserted correctly e product overload Product temperature out of range If an NTC sensor is selected with a range from 50 C to 90 C at the start of the cycle the product temperature may be greater than 90 C in this case the probe alarm and the value displayed are disabled A flashing message gt 90 C is displayed and stops when the temperature measured returns within the specified range that is less than 90 C If however after a certain delay settable by parameter the value measured and displayed continues to remain outside of the range it means that the probe is faulty and an alarm is signalled Probe not inserted If a cycle is selected by temperature and the product temperature probe is not working or has not been inserted correctly an alarm signals the event and the cycle e
95. s of the controller needs to be set to 1 and the terminal to 2 the latter needs to be set as private for board 1 if the settings have not been made correctly the text and the images on the display will be shown in an incorrect and unorderly manner 3 2 Navigation buttons Alarm displays the list of alarms IMERI Menu used to enter the main menu tree SC Esc returns to the previous screen scrolls a list upwards or increases the value shown A Up on the display scrolls a list downwards or decreases the value N Down shown on the display enters the selected submenu or confirms the value Enter set Db On Off button to quickly access the On Off menu 2 Cycle Repeat button to quickly access the Repeat Cycle menu buttons only available on the membrane interface The membrane terminal has three additional LEDs which have the following meaning alarm As the corresponding Alarm button on the membrane does not light up as Is the case on the panel display this LED is used to visually signal that Red an alarm has been activated ch Green chiller On Off Green 2 cycle running CAREL 4 1 Chill and freeze cycles Blast chill cycles are the main function of the Blast Chiller and can be divided into two categories chill cycles and freeze cycles A chill cycle significantly reduces the time the food remains in the critical temperature band from 10 C to 65 C where there is high probability of
96. set point control point 6 b c temperature SG fans 5 0 D switch fans off 6 b c Fans off when door closed YES NO YES Fans during defrost 6 b c Fans during defrost Off On On Type of HACCP threshold 6 b d Type of HACCP alarm threshold Relative Absolute Relative Minimum HACCP high temperature alarm threshold to High temp alarm Maximum HACCP high threshold 6 b d HACCP high temperature alarm threshold C temperature alarm threshold 15 0 HACCP temp alarm delay 6 b d HACCP high temperature alarm delay S 0 to 9999 120 Monday to Sunday Mon to Sat Monday 0 to 23 0 Day 6 b e Day light first switched se 0 to 59 0 Monday G 0 to 23 0 First start time I 6 b e Day hours and minutes light switched on u 0 to 59 0 Monday 0 to 23 0 First end time 6 b e Day hours and minutes light switched off cu 0 to 59 0 to to Monday 0 to 23 0 First start time 6 b e Day hours and minutes light switched on no 0 to 59 0 Monday 0 to 23 0 Fourth end time 6 b e Day hours and minutes light switched off Er 0 to 59 0 Monday 0 to 23 0 First start time aux 6 b e Day hours and minutes auxiliary output activated ci 0 to 59 0 Monday 0 to 23 0 First end time 6 b e Day hours and minutes auxiliary output deactivated ae 0 to 59 0 Compressor 6 c Compressor op hours h 0 to 30000 Control in 6 c Time remaining before next compressor control h 0 to 30000 30000 Compressor 2 6 c Second compressor op hours h 0 to 30000 Control in 6 c Time remaining before next secon
97. sing the scheduler in the conservation phase if called by the defrost activation digital input e in the conservation phase if started from the keypad e inthe conservation phase if called by the supervisory system The defrost can be managed in one of the following modes depending on the settings of the corresponding parameters e by temperature with electric heater by temperature with reverse cycle hot gas by time using electric heater by time with reverse cycle hot gas by time with electric heater and temperature control CAREL The defrost by temperature can only be run if the evaporator temperature probe has been configured otherwise the defrost can only be run in time mode Defrosts with temperature control can also only be only be run if the evaporator temperature probe is installed and is working correctly In this case the relay is closed when the temperature reaches the end defrost temperature threshold and is open when the temperature is lower than the end defrost temperature threshold minus the temperature controlled defrost differential Defrosts with temperature control can only end by time The operating principle of the defrost by temperature is shown in Fig 4 12 When the defrost is called the system checks whether the value measured by the temperature probe is lower than the start temperature threshold point A if the check is positive after having waited the defrost activation delay time
98. splay shows the name of the submenu relating to the parameter being set as shown in Fig 5 3 Blast Chiller 030220851 rel 1 1 28 02 2008 29 PRODUCT Ae 199 ROON d C SE TECIHT Ae E L 5 6 0 Operating hours This shows the operating hours of all the main devices connected to Blast Chiller so as to monitor periodical maintenance A and N 7 scroll the list of the various devices while ES returns to the higher level menu 5 6 d Change language The user can select one of the languages loaded in the Blast Chiller memory in addition the unit of measure can be chosen between SI international system and Imperial temperature expressed in C or in F and the date expressed as dd mm yy or yy mm dd The other function available in this menu is the possibility to change password PWI The screen is navigated in the same way as described for the other screens 5 7 8 Maintenance The menu can only be accessed when entering a password depending on the password entered and the access level different screens will be displayed e password PW2 accesses the maintenance level screens only e password PW3 accesses all the screens on the Blast Chiller manufacturer level Some screens are displayed only if the corresponding function Is available The main feature of the maintenance menu screens 7 Is that the first row of the display on the right shows the address of the screen with reference to the map of the
99. ssword 0 to 9999 1234 Type of board 7a Type of hardware pco pco Boot 7 a Boot version Bios 7 a Bios version cu EN Carel ModBus LON Carel BMS protoc 7 b a ba02 Protocol used on the BMS port RS232 printer Carel BMS address 7 b a ba02 Address for the supervisory system 1 to 200 1 BMS speed 7 b a Communication speed of the BMS serial port bps 1 1200 2400 4800 9600 19200 19200 Carel ModBus LON Carel Field Bus protocol 7 b a Protocol used for the Field Bus serial port RS232 printer Carel Field Bus speed 7 b a Select the communication speed of the Field Bus serial port bps 1200 2400 4800 9600 19200 19200 Compressor op hour threshold 7 b b bb01 Compressor op hour threshold h 0 to 30000 30000 Reset compressor op hours 7 b b bbO1 Reset compressor op hours NO YES NO Compressor 2 op hour threshold 7 b b bb02 Second compressor op hour threshold h 0 to 30000 30000 Reset compressor 20p hours 7 b b bb02 Reset second compressor op hours NO YES NO Evap fan op hour threshold 7 b b bb03 Evaporator fan op hour threshold h 0 to 30000 30000 Reset evap fan op Al hours 7 b b bb03 Reset evaporator fan op hours NO YES NO Cond fan op hour threshold 7 b b bb04 Condenser fan op hour threshold h 0 to 30000 30000 Cond evap fan op hours 7 b b bb04 Reset condenser fan op hours NO YES NO UV light op hour threshold 7 b b bb05 UV light op hour threshold h 0 to 30000 30000 Reset UV light op hours 7 b b bb05 Reset UV light op
100. t 3 CONFIGURATIONS Operating mode of analogue output 3 7 c c11 Operating mode of analogue output 3 Auto Manual Auto Blast Chiller 030220851 rel 1 1 28 02 2008 54 CAREL Analogue output 3 in 0 manual operating mode 7 c c11 Analogue output 3 in manual operating mode g 0 to 100 0 Manufacturer default 7 d Reset the manufacturer default settings NO YES NO New maintenance EN password 7 d New maintenance password 0 to 9999 1234 Reset alarms 7 d Reset the data for the alarms saved NO YES NO Number of compressors 7 e e01 Number of compressors managed 0t02 1 Compressor parallel op E 7 e e01 Enable parallel compressor operating mode in NO YES NO Enable compressor rotation 7 e e01 Enable compressor rotation NO YES NO 0 not used 1 none Type of evaporator fan 2 on evaporator temperature control 7 e e02 Type of evaporator fan control 3 on temperature diff None Printer fitted 7 e e04 Printer fitted NO YES NO DCD manual status 7 e e05 Status of the DCD manual signal Off On Off Err control EN 7 e e05 Enable print error control Off On Off Man error reset 7 e e05 Manual print error reset Off On Off Remove empty lines 7 e e06 Remove empty lines by the print Off On Off Disable print queue
101. t the end of each cycle and whenever an HACCP alarm is activated or more simply whenever the user requires The hardware requirements for using the serial printer are e The printer used must be able to manage a number of columns at least equal to the number on the pCO terminal e _ The printer must have a standard RS232 serial interface e For the connection between the printer and the pCO use the BMS or FieldBus serial port the latter available on the pCO controllers In addition the RS232 serial option must be installed on the pCO controllers e _ The printer must support at least one of the communication speeds available on the pCO 1200 2400 4800 9600 and 19200 bps The communication settings are 8 data bits no parity 1 stop bit no flow control e The connection cable between the printer and the pCO must be acquired or made according to the signals available on the pCO connector as follows Pin Name Direction Use Printer error 1 DCD Input detection BMS ONLY SERIAL Data reception 3 TXD Output Data transmission DTR 0 pCO ready signals CONNECTED TO PIN 7 INTERNALLY ON THE Output BOARD Sao Earth pin CONNECTED TO PIN 4 INTERNALLY ON 7 RTS Output THE BOARD Pins 6 8 and 9 are not connected Connector board 5 OOODO Oo000O G 9 Note data can be printed corresponding to the last ten cycles completed and to the last ten HACCP alarms activated The following data are saved an
102. temperature alarm threshold Room temperature regulation differential Room setpoint offset with day night End defrost temperature probe Start defrost temperature Conservation room temperature setpoint Working hours of the compressor 1 high part Working hours of the compressor 1 low part Working hours of the compressor 2 high part Working hours of the compressor 2 low part Remaining time of the cycle phase Black out time Cycle phase Cycle phase 3 duration Cycle phase 2 duration Cycle phase 1 duration Year Month 4 CAREL Integer 13 R Integer 14 TRO Integer 15 RR Integer Integer Integer Integer Integer Integer Integer Integer Integer Integer Integer Integer 29 R_________ Blast Chiller 030220851 rel 1 1 28 02 2008 Day Hour Minute Day of the week Type of defrost Evaporator fan management Room high temperature alarm delay Room low temperature alarm delay Room temperature alarm delay HACCP Low pressure start delay Low pressure delay Maximum duration defrost time Interval defrost time Number of compressors Unit status 42 CAREL Below are the possible Blast Chiller configurations depending on the type of pCO board used Analogue inputs No pCO Small Blast chiller temperature 1 product temperature1 evaporator temperature condenser temperature product temperature 2 product temperature 3 blast chiller Bl temperature 2 blast chiller temperature 3 antifreeze Blast chi
103. trol signals it is recommended to use shielded cables with twisted wires If the control cables have to cross over the power cables the intersections must be as near as possible to 90 degrees always avoiding running the control cables parallel to the power cables Use cable ends suitable for the corresponding terminals Loosen each screw and insert the cable ends then tighten the screws When the operation is completed slightly tug the cables to check they are sufficiently tight separate as much as possible the sensor signal digital input and serial line cables from the cables carrying inductive loads and power cables to avoid possible electromagnetic disturbance Never insert power cables including the electrical cables and probe signal cables in the same conduits Do not install the sensor cables in the immediate vicinity of power devices contactors circuit breakers or similar reduce the path of the sensor cables as much as possible and avoid spiral paths that enclose power devices power supplies other than those specified seriously damage the system a Class 2 safety transformer rating 50 VA must be used in the installation to supply just one pCO controller the power supply to the pCO controller and terminal or pCO controllers and terminals should be separated from the power supply to the other electrical devices contactors and other electromechanical components inside the electrical panel if the power trans
104. ue output no 1 0 10 V 13 2 analogue output no 2 0 10 V 3 3 analogue output no 3 PWM for phase cutting speed controllers Blast Chiller 030220851 rel 1 1 28 02 2008 10 CAREL Ny J3 4 GND reference for analogue output J4 1 digital input no 1 J4 2 digital input no 2 J4 3 digital input no 3 J4 4 digital input no 4 J4 5 digital input no 5 J4 6 D6 digital input no 6 J4 7 common for digital inputs from 1 to 6 J5 amp pin telephone connector for connection to the standard user terminal J6 1 RX TX connector for connection over RS485 to the pLAN network J6 2 RX TX connector for connection over RS485 to the pLAN network J6 3 reference for connection over RS485 to the pLAN network J7 tLAN terminal connector J8 1 tLAN network connector J8 2 reference for connection to the tLAN network J9 1 common relay 1 2 3 J9 2 normally open contact relay no 1 J9 3 normally open contact relay no 2 J9 4 normally open contact relay no 3 J10 1 common relay 4 J10 2 normally open contact relay no 4 J11 1 normally open contact relay no 5 J11 2 common relay 5 J11 3 normally closed contact relay no 5 1 5 2 Technical specifications of the pCO board Analogue inputs Analogue conversion 10 bit A D converter embedded in CPU Maximum number 4 Universal 2 inputs B1 B2 CAREL NTC 50T90 C R T 10kQ 1 at 25 C Voltage 0 to 1 Vdc 0 to 5 Vdc ratiometric Current 0 to 20 mA or 4 to 2
105. ump down valve Description of the function the pump down procedure starts when the compressor Is stopped both by the temperature controller and when the Blast Chiller is switched off If the compressor or more in general the Blast Chiller is shutdown due to a serious alarm the pump down procedure is not run When the pump down procedure starts the corresponding valve is closed and the compressor runs until the end of the procedure as shown in Fig 4 7 When the temperature control process calls the compressor to start the pump down valve is opened and after a delay time the compressor Is started If the compressor is called to stop while the valve is open however the compressor is already off the valve is closed and the pump down procedure starts If on the other hand there is a start call while the valve is closed and the compressor Is already on the valve is immediately opened Compressor call a ee Pump down valve Time a Time Compressor Pump down time Time 07 Fig 4 7 Pump down The pump down procedure ends when the low pressure value is reached or the maximum duration has elapsed depending on the selection made relating to the pump down mode by pressure or by temperature During pump down once the compressor has been stopped in order to reach the low pressure value if the pressure still falls for example due to leaks from the valve the compressor Is started again until the low pressure is reac
106. urrent can be connected to a maximum load of 280 Q with maximum overshoot of 0 3 mA The mechanical dimensions of the module are 87x36x60 mm 2 DIN modules with IP20 index of protection Module for converting a 0 to 10 V analogue output to an SPDT digital output code CONVONOFFO The module is used to convert a 0 to 10 V analogue output Yn to an ON OFF relay output The control signal Yn at the input terminals optically isolated from the rest of the module to ensure the switching of the relay from OFF to ON must have a maximum amplitude of 3 3V The relay is SPDT with max current of 10 A and max inductive load of 1 3 HP The mechanical dimensions of the module are 87x36x60 mm 2 DIN modules with IP20 index of protection 2 6 Connecting the digital outputs The pCO features digital outputs with electromechanical relays For ease of installation the common terminals of some of the relays have been grouped together If the following diagram is used the current at the common terminals must not exceed the rating nominal current of a single terminal 8 A 2 6 1 Electromechanical relay digital outputs The relays are divided into groups according to the degree of insulation Inside each group the relays have just basic insulation and thus must have the same voltage generally 24V ac or 110 to 230 Vac Between the groups there is double insulation and thus the groups can have different voltages There is also double insu
107. utput 8 Auto Manual Auto Dig out 8 status in manual mode 7 h h15 Status of digital output 8 in manual operating mode On Off Off Device connected to an See Chap 9 out 1 7 h h16 Device connected to analogue output 1 CONFIGURATIONS Steril An out 1 operation 7 h h16 Operating mode of analogue output 1 Auto Manual Auto An out 1 status in manual mode 7 h h16 Status of analogue output 1 in manual operating mode 0 0 to 100 0 A 7 h oe Device connected to an See Chap 9 out 3 7 h h16 Device connected to analogue output 3 CONFIGURATIONS Condenser fan An out 3 operation 7 h h16 Operating mode of analogue output 3 Auto Manual Auto An out 3 status in manual mode 7 h h16 Status of analogue output 3 in manual operating mode 0 0 to 100 0 CAREL default 7 1 Reset the CAREL default settings NO YES NO Save config EN 7 1 Save the manufacturer configuration NO YES NO New manufacturer password 7 1 New manufacturer password 0 to 9999 1234 Clock MB main menu dd 8 Day setting 1 to 31 mm 8 Month setting 1 to 12 yy Cu 8 Year setting 0 to 99 hh 8 Hour setting 0 to 23 mm 8 Minute setting 0 to 59 Log El main menu Save HACCP alarm data for each alarm the date time code description HACCP _xxx 9 a and help message are saved to Save alarm data for each alarm the date time code description and help AL_xxxx 9 b message are saved to Enable continuous print ace 9 c Enable continuous printing of the HACCP alarms and the cycle data NO YES NO P
108. x the most common settings Contents 4 12 5 9 1 9 2 9 3 9 4 5 0 5 6 5 7 5 8 5 9 5 10 6 7 7 1 8 9 INTRODUCTION a A A a 7 Ma TG GUESS apra ae aa 7 Models AMI TE AMES A NE NEE NER SIE 7 Components and ACCESSONCS a RA oa 7 Description ore pCO Small board ee endende 7 Deseriplionmiof he pCO bodani ee hak ee ee ee Neen 10 INSTALLATION gliele i ine nce a a aa nee ee eu 13 General Stallone ane ee 13 POWER SUP VE N DS 13 Connecting the analogueinp lsau san ERIN e 13 Connecting THES CIC Ital INQUUS sra dado rent 14 COnne cing THE analogue DU o es 15 Connecting thedigtal outu a AN 16 USER INTERFACE ne a O ee te SR A A 17 Graphic terminalo Heer NA N AAA A a E eE 17 Navigation DUNONS eaea he es eee ad ee eg hes a es eee ee ee ee ee de 18 EUNG TION Sc De O 19 A A ee ee 19 Temperaire CONTO aaa a eine 20 Compressor Manage SSA AS AA AE RRA 21 Fan management ae Ata 22 DEMOS ii diia ada 23 HAGCR Hazard Analysis and nica COOP i 25 TOO Bes ee A Aa ei Sn SUN RB a Pee rn Ane Pe eee ee en en Ce 26 Auxiliary OUTDO UN a E I E ers lt a eas IS RA 26 PAV OCLC liscio idilliaco iaia aa DI OR e at 26 ONO ee E oe eats a e id o o Sea a Sas dee eee te 26 A O A 26 A A O a e ee ee 26 DESCRIPTION OF THE MENUS nta loa 27 CN 1A TIAE we alti 28 ES A E A FIELINGRIESENCHUEHSERRE 28 CONS dlon soa elt te ce let chat ae Gis lla 28 SEE y ARPA EP ae EI 28 Hear DIO Oe init tdi ad 29 A A ae 29 Mainienance i liceale 29 Giocoli a a O o INSIDE o
109. y be on or off in any case at the end of the defrost a dripping phase can be set depending on the settings of the corresponding parameter setting the dripping time to 0 skips the operation At the end of the defrost phase e ifthe dripping phase has been set the compressors are stopped using the pump down procedure if enabled If on the other hand this phase has not been set the compressors remain in the previous status and normal control resumes e ifthe dripping and the post dripping phase has been set the fans are off If on the other hand these phases have not been set the fans remain in the previous status and normal control resumes e the defrost relay is deactivated e the post defrost alarm delay is deactivated e if there are defrost calls pending these are reset The defrost procedure can also be completed e ifthe digital input has been disabled e Blast Chiller is stopped from the keypad supervisor or digital input e ifthe phase is terminated from the keypad or controlled by the Supervisor Note in these cases the dripping and post dripping phases are skipped Blast Chiller 030220851 rel 1 1 28 02 2008 24 Start storage 45 1 Defrost scheduler Parameters type of defrost scheduler day hours and minutes of the first defrost day hours and minutes of the eighth defrost Description of the function the defrost can be programmed in three different ways shown in Fig 4 13 1 first def
110. y is also the reference for the output voltage The table below shown summarises the distribution of the analogue outputs according to the version available no of analogue outputs reference pCO terminals Y1 Y2 Y3 Y4 VGO pCO terminal Go MN Important on the pCO the outputs are not optically isolated Remember on the other hand that the pCO power supply is insulated 2 5 2 Connecting the PWM analogue outputs The pCO provides a PWM analogue output for phase cutting speed controllers The following figure shows the wiring diagram and the two most common connection examples Blast Chiller Blast Chiller C no of analogue reference outputs pCO terminals not available pCO terminals 15 CAREL Note the power supply to the circuit measuring the zero crossing Is at terminal SYNC on the pCO and must be 24 Vac in phase with the power supply to the actuator for three phase power supply use the same phase to power the pCO and the actuator 2 5 3 Optional modules The module is used to convert a PWM output 5 V pulses to a linear 0 to 10 V and 4 to 20 mA analogue output code CONVO 10A0 The control signal at the input terminals optically isolated from the rest of the module must have a maximum amplitude of 5V and a period between 8 ms and 200 ms The 0 to 10 V output voltage can be connected to a maximum load of 2 kQ with a maximum ripple of 100 mV The 4 to 20 mA output c

Download Pdf Manuals

Related Search

Related Contents

User Guide    REGULATORY COMPLIANCE INFORMATION Copyright Information  EZS 330/350 / XL  User manual  Samsung 225BW Priručnik za korisnike    取扱説明書 - Honda  electric water heater installation & operating instruction manual  ダウンロード（PDF 1.3MB）  

Copyright © All rights reserved. Failed to retrieve file