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FLSTDMFC0A pCO² refrigeration system

cod. Carel +030221991 rel. 1.0 dated 27/07/01

35

3$5$0(7(5'(),1,7,217$%/(

Below is a list of the codes used in the figures in this manual.

NO. Code

Meaning

1 SP Set

Point

2 RP Read

parameter

3 DF Differential
4

DZN

Dead zone differential

5

DFNI_CP Dead zone differential, Compressor inverter

6

DFNI_F

Dead zone differential, Fan inverter

7 BL Proportional

band

8

BLI_CP

Proportional band, Compressor inverter

9

BLI_F

Proportional band, Fan inverter

10 T_ON_CP Minimum compressor ON time
11 T_ON_CP Minimum compressor OFF time

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Summary of Contents for FLSTDMFC0A

Page 1: ... S 2 6WDQGDUG SSOLFDWLRQ 5HIULJHUDWLRQ 6 VWHP RGH 67 0 9HUVLRQ 9 0DQXDO ...

Page 2: ......

Page 3: ...G WR RSHUDWH ULVN IUHH DQG IRU D VSHFLILF SXUSRVH DV ORQJ DV the software is installed programmed run and maintained according to the instructions in this manual and by qualified personnel all the conditions prescribed in the installation and user manual of the appliance in question are respected OO RWKHU XVHV DQG PRGLILFDWLRQV PDGH WR WKH GHYLFH WKDW DUH QRW DXWKRULVHG E WKH PDQXIDFWXUHU DUH FRQV...

Page 4: ......

Page 5: ... parameters 10 2 3 4 Fan time settings 10 2 4 Special functions 11 2 4 1 Compressor time bands 11 2 4 2 Force devices 11 2 4 3 Auxiliary probe management 11 2 5 Alarm management 11 86 5 17 5 3 1 Display 14 3 2 LEDs under the buttons 14 3 3 External keypad 14 3 3 1 Use of the buttons on the external terminal 15 3 4 Built in terminal 15 3 4 1 Use of the buttons on the Built in terminal 16 3 5 Tree l...

Page 6: ...ith the supervisor 37 6 2 1 Analogue variables 37 6 2 2 Digital variables 37 6 2 3 Integer variables 39 6 3 Examples 41 6 3 1 Example of SMALL configuration 41 6 3 2 Example of MEDIUM configuration 42 6 3 3 Example of LARGE configuration 43 6 4 Possible configurations 45 ...

Page 7: ...operating parameters Default value 0 level 2 Service password service branch refers to a modifiable password which allows access to the maintenance parameters Default value 0 level 3 Manufacturer password manufacturer branch refers to a modifiable password which allows access to all the machine configuration screens including the setting of a new user service and manufacturer password and the ente...

Page 8: ...losed when an alarm is present the contact is open or normally open when an alarm is present the contact is closed screen M_CONF_LOGIC_IN manufacturer branch In addition the type of compressor safety devices connected to the inputs can be defined the possible choices are as follows A general one safety device only per compressor not delayed with manual reset B thermal overload oil differential one...

Page 9: ...ll the variables currently available to the supervisor 6HULDO ERDUGV For connection to the supervisory systems the pCO is designed to support the main and most common communication standards As a result connection boards are available for the following standards optically isolated RS485 serial connection board for pCO PCO2004850 RS232 serial connection board per modem not optically isolated for pC...

Page 10: ...r Code Description Type of analogue output J4 1 VG power to optically isolated analogue output 24Vac Vdc J4 2 VG0 power to optically isolated analogue output 0Vac Vdc J4 3 Y1 Fan controller analogue output no 1 0 10V J4 4 Y2 Compressor controller analogue output no 2 0 10V J4 5 Y3 analogue output no 3 0 10V J4 6 Y4 analogue output no 4 0 10V 7DEOH LJLWDO LQSXWV Connector Code Description Type of d...

Page 11: ...mmon relay no 8 J15 3 NC8 normally closed contact relay no 8 J16 NO9 normally open contact relay no 9 J16 NO10 normally open contact relay no 10 J16 NO11 Outputs can be configured by software see corresponding paragraph normally open contact relay no 11 J16 C9 common relay no 9 J17 NO12 Outputs can be configured by software see corresponding paragraph normally open contact relay no 12 J17 C12 comm...

Page 12: ...f the next device that should start is off due to a time setting then the start of another device will be requested respecting the delay between starts for the devices 1 Device stop zone 2 Dead zone 3 Device start zone 3URSRUWLRQDO EDQG Proportional band control calculates based on the parameters SP DF and the number of devices set the various points of activation and deactivation of the devices s...

Page 13: ...oint SP and the amount to increase the value by each second The output of the inverter of compressor no 1 starts increasing when the reading of probe a1 exceeds the inverter Set Point the differential A decrease occurs when the reading of probe a1 is below the value of the Set Point In the zones between the SP and SP DZNI the output of the inverter is not changed The output of the inverter is incr...

Page 14: ...dividual compressor so as to more frequently alternate which compressors are on obviously only with FIFO rotation RPSUHVVRU DQG IDQ URWDWLRQ Manufacturer branch general parameters screen M_CONF_UNIT02 M_CONF_UNIT06 Rotation can be DISABLED number 1 is always turned on first then 2 etc while the highest number compressor always stops first or FIFO rotation can be selected the first on is the first ...

Page 15: ...voided 0LQLPXP WLPH EHWZHHQ VWDUWV RI WKH VDPH FRPSUHVVRU Manufacturer branch general parameters screen M_COMP_TIMING04 Sets the minimum time that must elapse between two starts of the same device irrespective of the measured value and the set point This parameter limits the number of starts per hour If for example the maximum allowable number of starts per hour is 10 to guarantee this limit simpl...

Page 16: ...be 2 moves away from the inverter set point the analogue output is increased in proportion to the deviation until reaching 10 Volts when the value measured is greater than or equal to the inverter set point inverter differential DQ SDUDPHWHUV DQ URWDWLRQ Manufacturer branch general parameters screen M_CONF_UNIT06 Rotation can be DISABLED number 1 is always turned on first then 2 etc while the high...

Page 17: ...anage as well as the inlet and outlet probes three auxiliary NTC display only probes these are enabled on the screen M_CONF_PROBE4 The three probes are B3 ambient temperature probe B6 outside temperature probe Medium and Large boards only B7 general temperature probe the name can be set Medium and Large boards only Once enabled the value of these probes can be seen in the I O branch Note if the in...

Page 18: ...37 Clock fault or battery discharged Disable time bands manual no AL38 probe 1 fault or disconnected no of comps ON can be set manual no AL39 probe 2 fault or disconnected no of fans ON can be set manual no 7DEOH ODUPV ZLWK DXWRPDWLF UHVHW When one or more automatic reset alarms are detected these are signalled by red LED below the ALARM button on buzzer active with external terminal the alarm rel...

Page 19: ...anch between the activation of an alarm and the change in the status of the signal relay If the time is set to 0 the activation of the alarm relay is immediate ODUP ORJ Press the MENU or PROG button for the built in terminal and scroll the rows until reaching the alarm log branch All the activated alarms attempts to reset them from the keypad and black outs are automatically saved in the alarm log...

Page 20: ... used is an LCD with 4 rows x 20 columns The values and operating information are presented in the form of successive screens The user can move around the screens using the buttons on the terminal described as follows 5RZ RPH 5RZ 5RZ 5RZ If the cursor is positioned in the top left corner Home pressing the UP DOWN buttons accesses the successive screens in the selected branch If the screen includes...

Page 21: ...the version of the software application and other information on the machine 7DEOH External silicon rubber buttons 1 21 2 button switches the machine on and off The green LED on the button indicates if the machine is on if the LED is off the unit is OFF 2 50 button used to display the alarms to perform manual resets and to silence the buzzer If the button is lit red at least one alarm has been act...

Page 22: ...UHHQV This screen appears when the unit is started and remains active for a few seconds During this period the software initialises the operating parameters and if the program is installed for the first time automatically saves the default values 0 18 EXWWRQ EUDQFK Main screen accessed by pressing the MENU button It displays the pressure values read by the two probes the current date and time the ...

Page 23: ...e the bios and the boot 0 17 EXWWRQ PDLQWHQDQFH EUDQFK Pressing the MAINT button accesses the following screens which display the number of operating hours for each compressor and fan configured The pCO counts the operating time of each device and every three hours saves this value in the flash memory on the board If the number of operating hours of a device reaches or exceeds the set maintenance ...

Page 24: ...he parameters that allow the manual activation of the individual devices without the time settings rotation and irrespective of the values measured by the probes The only support to the control in manual operation is the alarm management The manual activation of the inverter devices forces the corresponding analogue outputs to the set value The manual procedure can only be activated if the unit is...

Page 25: ... connected to the board In addition it provides information on which devices are physically connected to the board A Contact open C Contact closed inlet probe status outlet probe status status of analogue inputs used as digital b4 b5 m_in_out01 LJLWDO LQSXWV 2 open C close m_in_out02 3UREHV LQSXWV Q SUHVV EDU 2XW SUHVV EDU m_in_out04 QSXWs b4 b5 2 open C close E E m_maint13 RPS 1R 6WDWXV 8QORDG 1R...

Page 26: ...re switch Step1 C1 capacity control Oil diff C1 oil differential compressor Fan1 Fan Therm comp 1 compressor thermal overload switch alarm Alarm relay Liquid level On Off from input enable ON from digital input LP pressure switch general low pressure switch HP pressure switch general high pressure switch Table 3 5 4 1 type of board used m_in_out05 QSXWV E E 2 open C close E E m_in_out20 LJLWDO RXW...

Page 27: ...oint within the limits set on the screen M_LIMIT_SET_FAN PROG branch This screen is only displayed if the compressor inverter is enabled indicates if the inverter is working with proportional band control Sets an inverter Set Point in proportional band Screen only displayed if the fan inverter is enabled and is working in proportional band Indicates if the inverter is working in dead zone or propo...

Page 28: ...tional band and if enabled Modifies the user password 352 EXWWRQ EUDQFK Entering the correct password accesses the following setting screens This screen changes the language used on the screens in the application the number of languages available depends on the type of installation performed Sets the upper and lower limit for the compressor Set Point M_SETPOINT6 6HWSRLQW ORRS QVHUW XVHU SDVVZRUG m...

Page 29: ... the pre alarm threshold for high outlet pressure with corresponding differential Sets the pre alarm threshold for low outlet pressure with corresponding differential and delay Management of alarm times delay in the activation of the liquid level alarm if configured Delay at unit start up after black out Enable delay at start Used to diversify the restart times for various units when power returns...

Page 30: ...be accessed only by personnel who know the manufacturer password Entering the correct password accesses the following setting screens default 1234 This is a sub menu that allows access to the various manufacturer branches Unit configuration enable devices and define their position on the board General parameters general parameter settings Times main time settings for the management of the compress...

Page 31: ...neral low pressure switch automatic reset general high pressure switch manual reset Enable inputs enable unit on off from digital input priority over keypad command enable liquid level alarm from digital input display only Enable auxiliary probes display only enable NTC ambient temperature probe enable NTC outside temperature probe medium or large board only enable general NTC temperature probe me...

Page 32: ...first device 3 Position the first device on the previous input of the second device Note if a device remains configured at position it is not considered Position of the digital inputs used as safety devices for the compressors Position of the digital inputs used as safety devices for the fans Position on the board of the digital input used as an external ON OFF this parameter is only displayed if ...

Page 33: ...s no alarm the contact is open Logic of the remote On Off from digital input Normally open unit Off from digital input The type of reset for the high low pressure switch for each compressor can be set Automatic when the alarm stops the compressor starts this screen is only displayed if the high low pressure switches are enabled for each compressor Logic of the alarm relay This screen is not visibl...

Page 34: ...ot connected alarm AL38 forces a number of compressors on controlled in any case by the individual alarms and by the general pressure switches Enable FIFO rotation first on first off for the fans Type of control used for fan management Proportional band or Dead zone In the event of a probe b2 outlet broken or not connected alarm AL38 forces a number of fans on controlled in any case by the individ...

Page 35: ...ers the identification number of the pCO board for the supervisor serial network communication speed with the supervisor system type of conversion protocol changes the password for access to the various branches Deletes the entire permanent memory and resets the default values N B This operation should be performed when the machine is off m_comp_timing02 0LQLPXP Fompressors SRZHU on time 0000s 0LQ...

Page 36: ... manual reset displays if the thermal overload corresponding to that compressor has been activated stops the corresponding compressor manual reset displays if the thermal overload corresponding to that fan has been activated switches off the corresponding fan manual reset displays if the high low pressure switch corresponding to that compressor has been activated stops the corresponding compressor...

Page 37: ...tomatic reset Low inlet pressure pre alarm Displayed if the low inlet pressure limit is exceeded Goes off after a pre set time see screen M_ALARM4 PROG branch Stops all the compressors Automatic reset High inlet pressure pre alarm Displayed if the high inlet pressure limit is exceeded Goes off after a pre set time see screen M_ALARM3 PROG branch Starts all the compressors Automatic reset indicates...

Page 38: ...urns the machine off forcing the outputs to zero the LED under the button goes off When using the built in terminal go to the main screen and press the UP button The following screen will appear This screen can be used to switch the unit on or off also see the paragraph Machine On Off RJ EUDQFK To access this branch go to the main screen press the Menu button and then scroll the rows until the ALA...

Page 39: ...ors PCO2000BL0 LARGE with plug in connectors built in terminal PCO2000BM0 MEDIUM with plug in connectors built in terminal PCO2000BS0 SMALL with plug in connectors built in terminal PCO2003AL0 LARGE with plug in connectors 3 SSR PCO2002AM0 MEDIUM with plug in connectors 2 SSR PCO2001AS0 SMALL with plug in connectors 1 SSR 3OXJ LQ FRQQHFWRU NLWV Code Description PCO2CON0S0 Screw version for pCO2 SM...

Page 40: ...valve EVBAT00000 Rechargeable battery module for EVD 0907930AXX Net filter for EVD driver 0907858AXX Ferrites toroid DUHO QHWZRUN 56 ZLUHV Code Description IR32SER00E Serial card RS485 2 wires for IR32 refrigeration old version and universal IRDRSER00E Serial card RS485 for IRDR IR96 MasterCella PJOPZ48500 Additional module for RS485 optoinsulated for PJ32 PCO2004850 Optically isolated RS485 seria...

Page 41: ... Meaning 1 SP Set Point 2 RP Read parameter 3 DF Differential 4 DZN Dead zone differential 5 DFNI_CP Dead zone differential Compressor inverter 6 DFNI_F Dead zone differential Fan inverter 7 BL Proportional band 8 BLI_CP Proportional band Compressor inverter 9 BLI_F Proportional band Fan inverter 10 T_ON_CP Minimum compressor ON time 11 T_ON_CP Minimum compressor OFF time ...

Page 42: ...360 s TIME_SWITH_ON1 Compressor start request delay 20 10 360 s TIME_SWITH_OFF1 Compressor stop request delay 10 10 360 s TIME_MIN_ON Minimum compressor ON time 60 10 360 s TIME_MIN_OFF Minimum compressor OFF time 120 10 360 s TIME_BETW_COMP Time between two starts of different compressors 20 0 9999 s TIME_SAME_COMP Time between two starts of the same comp 360 240 600 s UNLOAD_DELAY Capacity contr...

Page 43: ...1 High inlet alarm differential IN OUT A 16 THRESH_LOW1 Low inlet alarm Set Point IN OUT A 17 DIFF_LOW1 Low inlet alarm differential IN OUT A 18 THRESH_HIGH2 High outlet alarm Set Point IN OUT A 19 DIFF_HIGH2 High outlet alarm differential IN OUT A 20 THRESH_LOW2 Low outlet alarm Set Point IN OUT A 21 DIFF_LOW2 Low outlet alarm differential IN OUT A 22 INS_COMP compressor on point IN OUT A 23 DIS_...

Page 44: ...t expansion no 5 OUT D 50 DIN106 Status of digital input expansion no 6 OUT D 51 DIN107 Status of digital input expansion no 7 OUT D 52 DIN108 Status of digital input expansion no 8 OUT D 53 MALL_TERM_KLIX1 Thermal overload alarm compressor 1 OUT D 54 MALL_TERM_KLIX2 Thermal overload alarm compressor 2 OUT D 55 MALL_TERM_KLIX3 Thermal overload alarm compressor 3 OUT D 56 MALL_TERM_KLIX4 Thermal ov...

Page 45: ...l logic IN OUT D 111 SUPERV_ONOFF Select ON OFF from supervisor IN OUT D 112 EN_SUPERV_ONOFF Enable ON OFF from supervisor IN OUT D 113 EN_AL_LIQUID_LEVEL Enable liquid level alarm OUT D 114 FAN5 Status of fan 5 OUT D 115 MALL_TERM_VENT5 Thermal overload alarm fan 5 IN OUT D 116 EN_KEYB_ON_OFF Enable On Off from the keypad IN OUT D 117 EN_ALARM_RELE Enable alarm relay IN OUT D 118 EN_ON_BALCK_OUT ...

Page 46: ...ompressor inverter opening IN OUT I 50 MIN_OPEN_INV2 Minimum fan inverter opening IN OUT I 51 MIN_N_COMP_AL number of compressors forced with probe B1 faulty or disconnected IN OUT I 52 MIN_N_FAN_AL number of fans forced with probe B2 faulty or disconnected IN OUT I 53 SG_ORE_COMP Compressor operating hour threshold by 1000 OUT I 54 HOUR_COMP1 High part operating hours compressor 1 OUT I 55 HOUR_L...

Page 47: ...e of device connected to input 8 OUT I 87 CONFIG_IN9 Type of device connected to input 9 OUT I 88 CONFIG_IN10 Type of device connected to input 10 OUT I 89 CONFIG_IN11 Type of device connected to input 11 OUT I 90 CONFIG_IN12 Type of device connected to input 12 OUT I 91 CONFIG_IN13 Type of device connected to input 13 OUT I 92 CONFIG_IN14 Type of device connected to input 14 OUT I 93 CONFIG_IN15 ...

Page 48: ...elay 1 2 3 J13 C4 common relay 4 5 6 J13 NO4 normally open contact relay no 4 General alarm J13 NO5 normally open contact relay no 5 fan 4 J13 NO6 normally open contact relay no 6 fan 3 J13 C4 common relay 4 5 6 J14 C7 common relay no 7 J14 NO7 normally open contact relay no 7 fan 2 J14 C7 common relay no 7 J15 NO8 normally open contact relay no 8 fan 1 J15 C8 common relay no 8 7DEOH DPSOH RI 0 80...

Page 49: ...ssor 1 J12 NO3 normally open contact relay no 3 Compressor 2 J12 C1 common relay 1 2 3 J13 C4 common relay 4 5 6 J13 NO4 normally open contact relay no 4 capacity control 1 compressor 2 J13 NO5 normally open contact relay no 5 Compressor 3 J13 NO6 normally open contact relay no 6 capacity control 1 compressor 3 J13 C4 common relay 4 5 6 J14 C7 common relay no 7 J14 NO7 normally open contact relay ...

Page 50: ...mon for digital inputs 9 to 12 J8 ID13 digital input 13 24Vac Vdc High low pressure switch 3 J8 IDC13 common for digital inputs 13 and 14 J8 ID14 digital input 14 24Vac Vdc High low pressure switch 4 J19 ID15 digital input 15 24Vac Vdc High low pressure switch 5 J19 IDC15 common for digital inputs 15 and 16 J19 ID16 digital input 16 24Vac Vdc Liquid level alarm J20 ID17 digital input 17 24Vac Vdc ...

Page 51: ...umber of inputs per compressor Note the following table does not include the possibility of inserting the following in the place of another occupied input liquid level alarm remote On Off The same is true for the addition of a further output for the alarm relay Key possible configuration SMALL MEDIUM LARGE No of Compressors No of steps per comp Num Fans 1 in per comp 2 in per comp 3 in per comp 1 ...

Page 52: ...5 3 0 3 6 3 0 4 7 3 0 5 8 3 1 0 6 3 1 1 7 3 1 2 8 3 1 3 9 3 1 4 10 3 1 5 11 3 2 0 9 3 2 1 10 3 2 2 11 3 2 3 12 3 2 4 13 3 2 5 14 3 3 0 12 3 3 1 13 3 3 2 14 3 3 3 15 3 3 4 16 3 3 5 17 4 0 0 4 4 0 1 5 4 0 2 6 4 0 3 7 4 0 4 8 4 0 5 9 4 1 0 8 4 1 1 9 4 1 2 10 4 1 3 11 4 1 4 12 4 1 5 13 4 2 0 12 4 2 1 13 4 2 2 14 4 2 3 15 4 2 4 16 4 2 5 17 4 3 0 16 4 3 1 17 4 3 2 18 4 3 3 19 4 3 4 20 5 3 5 25 5 0 0 5 5...

Page 53: ...3 18 5 2 4 19 5 2 5 20 5 3 0 20 5 3 1 21 5 3 2 22 5 3 3 23 5 3 4 24 5 3 5 25 6 0 0 6 6 0 1 7 6 0 2 8 6 0 3 9 6 0 4 10 6 0 5 11 6 1 0 12 6 1 1 13 6 1 2 14 6 1 3 15 6 1 4 16 6 1 5 17 6 2 0 18 6 2 1 19 6 2 2 20 6 2 3 21 6 2 4 22 6 2 5 23 6 3 0 24 6 3 1 25 6 3 2 26 6 3 3 27 6 3 4 28 6 3 5 29 Carel reserves the right to modify or change its products without prior warning ...

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Page 55: ......

Page 56: ... 5 VUO 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 Agency Cod Carel 030221991 rel 1 0 27 07 01 ...

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