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1. considered by the controller during the low load condition Specifically r02 is replaced by r29 Par Description cai x s 8 352 5 r27 Accumulation vessel suppression low load 0 0 3 0 Disabled 1 Enabled 2 Do not select 3 Do not select r28 Min compressor running time for low load 60 0 999 s r29 Low load differential 3 1 50 C F u n t Ss a e n r k S evaporator b gt uCSE process chiller 030220416 rel 2 0 12 04 2012 20 CAREL 6 CONTROL 6 1 Anti freeze The anti freeze probe is B2 The anti freeze set point A01 represents the temperature below which the machine passes to anti freeze mode alarm Al activates and switches the alarm output The value of A01 is limited by A07 A03 is the intervention delay time of the anti freeze alarm when starting the machine Par Description 2 3 A01 Antifreeze alarm set point 3 A07 A04 C F A07 Antifreeze alarm set point 40 40 176 C F limit A02 Anti freeze alarm 5 0 3 122 C F differential A03 Antifreeze alarm delay 0 0 150 s time from switch on ON OFF A01 Key A01 Anti freeze set point A02 B2 Anti freeze probe Anti freeze differential 6 2 Anti freeze automatic switch on The parameter A10 has effect if the unit is in stand by A10 1 auxiliary heater if enabled and pump are on at the same time on the basis of the set point A04 A1
2. signal error meaning and solution LED red LED Batteries flat The batteries are flat the copy cannot flashing start copy be made Replace the batteries only for PSOPZKEYOO Green LED Batteries flat The copy operation has been flashing copy end only for performed correctly but at the PSOPZKEYOO end of the operation the battery voltage is low Flashing Instrument not The parameters set up cannot be simultaneously compatible copied because the controller model red green LED connected is not compatible This signal error only for DOWNLOAD function orange check the controller code and copy only onto compatible codes Red and green Copy error Error in the data copied Repeat the LEDs on operation if the problem persists check the batteries and key connections Red LED on Data transfer error The copy operations has not stable terminated due to serious data transfer or copy errors Repeat the operation if the problem persists check the batteries and key connections LEDs off Batteries Check batteries for PSOPZKEY00 disconnected Power supply unit not Check power supply unit for connected PSOPZKEYAO uC SE process chiller 030220416 rel 2 0 12 04 2012 CAREL 3 USER INTERFACE The front panel contains the display and keyboard made up from 4 keys which pressed individually or together allow to perform all of the controller programming operations 3 1 Display The display featur
3. gt Regarding the activation set points of the heaters when the temperature measured by the probe B1 B2 see A06 drops below the value of the parameter A08 A11 the heater or heaters activates if the respective outputs are set with the parameter H11 Par Description 5 e x a gt A06 Auxiliary heater probe 0 0 1 O Control probe B1 1 Anti freeze probe B2 A08 Heater 1 set point see r43 25 A01 80 C F A08 Heater 1 relative set point 2 0 20 C F see r43 A09 Heaters differential 2 0 3 50 C F A11 Heater 2 set point see r43 25 A01 80 C F A11 Heater 2 relative set point 7 0 20 C F see r43 ON OFF A09 A09 B1 B2 A08 i A11 Key B1 B2 Support heaters probe 26 uCSE process chiller 030220416 rel 2 0 12 04 2012 CAREL 7 PARAMETERS TABLE Lichiller SE process parameters table Visibility F fan N B4 present F01 1 NTC probe if 04 2 V driver present if H08 1 5 AA absolute anti freeze AR relative anti freeze P B4 pressure probe if 04 3 always present a S E e A a ee 8 2 5 v 5 E e D n E x TA a amp zZ E e 5 a 2 a 2 3 Probes setting parameters 01 Probe B1 F 0 1 1 1 1 RW D 0 1 Absent Present 02 Probe B2 F 0 1 1 2 2 RW D 0 1 Absent Present 03 Probe B3 F
4. e the incorrect connection to the power supply voltage can seriously damage the controller e separate the probe cables and the digital input cables as much as possible at least 3 cm from the inductive load and power cables to prevent possible electro magnetic interference Never introduce power cables and probe cables including those of electric control board into the same cable conduits e do not install the probe cables in the immediate vicinity of power devices switches magnet circuit breaker switches etc Reduce the probe cable pathway as much as possible and do not allow routes that enclose power devices e do not power the controller directly from the main panel power supply if also supplying power to other devices such as switches solenoid valves etc which will require another transformer The controller is not an appliance that guarantees electrical safety but simply suitable operation to prevent a dangerous situation being generated following a short circuit or overload the customer must install suitable electro mechanical cut off devices on the lines of interest fuses or similar 2 8 2 Electric connections Proceed as follows for installation making reference to the wiring diagrams 1 Connect probes and power supply the probes can be installed up to a maximum distance of 10 metres from the controller as long as shielded cables with minimum section of 1 mm are used To improve immunity to interference it is re
5. 83 P20 High low temperature on switch on protection 0 disabled 1 enabled 20 20 P21 Alarm relay output logic 0 Normally unexcited 1 Normally excited P22 Do not select 0 200 40 207 P23 Do not select 0 999 40 207 P24 Compressor action for HP LP 0 switch off compressor 1 1 switch off compressor 2 21 21 P25 Digital output 2 0 No function 1 Compressor 2 2 Anti freeze heater support 1 3 Do not select 4 Evaporator pump 5 7 Do not select 8 Condenser fan pump on off 9 Anti freeze heater support 2 10 Alarm 11 Do not select 108 315 SS S 223 FRE S SE P26 0 Digital output 3 See P25 109 316 P27 Digital output 4 See P25 110 317 P28 Digital output 5 See P25 111 318 P33 Do not select bar 76 76 P34 Di gital input 5 32 122 329 uC SE process chiller 030220416 rel 2 0 12 04 2012 S S CAREL Vv E g e a E Ss 2 8 2 e S T 8 2 3 E a 3 E E gt a gt A 3 ZS P35 Modify alarm relay status with PRG mute F 0 1 0 E 23 23 RW D 0 No 1 Yes P36 High pressure alarm management F 0 1 0 24 24 RW D 0 Always 1 Wi
6. ALt Low temperature at start up Automatic OFF OFF OFF 50 R General warning Digital ELS Low supply voltage Automatic 50 R General warning Digital EHS High supply voltage Automatic OFF OFF OFF OFF OFF OFF 45 R General alarm Digital Edi EVD tLAN error Automatic OFF C1 2 OFF ON 43 R EVD alarm Digital SHI EVD overheat alarm OFF C1 2 OFF ON 43 R EVD alarm Digital nO1 MOP warning Automatic 48 R EVD warning Digital LOI LOP warning Automatic 48 R EVD warning Digital HAT High inlet temperature Automatic 48 R EVD warning Digital warning circ 1 EP1 EVD Eeprom error Automatic OFF C1 2 OFF ON 43 R EVD alarm Digital uC SE process chiller 030220416 rel 2 0 12 04 2012 35 CAREL Alarm Alarm type Reset Compressor Pump Fan Heater Exp Output I O exp Superv Superv variab Variable type display valv alarm board variable description e EST EVD probe error Automatic OFF C1 2 OFF 0 43 R EVD alarm Digital EU1 Open valve EVD 1 error at start Automatic OFF C1 2 OFF 0 43 R EVD alarm Digital up Eb1 EVD battery alarm Automatic OFF C1 2 OFF O 43 R EVD alarm Digital L Low load warning Automatic Display signa
7. 0 3 0 14 221 RW Ii 0 Absent 1 Condenser NTC 2 External NTC 3 Differential regulation 04 Probe B4 F 0 4 0 15 222 RW I 0 Absent 1 Digital input 2 External NTC 3 Ratiometric Condenser 4 Differential regulation 09 Minimum voltage input value F 0 10 Vdc 100 50 P 18 225 RW 1 10 Maximum voltage input value F 09 500 Vdc 100 450 P 19 226 RW m Minimum pressure value F 0 m bar 0 P 1 1 RW A 12 Maximum pressure value F m 99 9 bar 34 5 P 2 2 RW A M3 Probe B1 calibration F 12 12 C F 0 3 3 RW A 14 Probe B2 calibration F 12 12 C F 0 4 4 RW A 15 Probe B3 calibration F 12 12 C F 0 5 5 RW A 16 Probe B4 calibration F 12 12 C F bar 0 6 6 RW A 21 Digital filter U 1 15 4 20 227 RW JI 22 Input limitation U 1 15 8 21 228 RW Ji 23 Unit of measurement U 0 1 5 0 5 5 RW D 0 1 CIE Antifreeze support heater setting parameters A A01 Anti freeze alarm set point U A07 A04 C F 3 11 11 R W A02 Anti freeze alarm differential U 03 122 C F 5 12 12 RW A A03 Anti freeze alarm delay time from switch on U 0 150 s 0 22 229 RW Ji A04 Anti freeze heater s set point in stand by see r43 U A01 80 K N 5 AA 13 13 RW JA A04 Anti freeze heater s relative set point in stand by see r43 U 0 20 C F 7 AR 77 77 RW A A05 Anti freeze heater s differential in stand by see r43 U 0 3 50 C F 10 R W A A06 Auxiliary heater probe F 0 1 0 6 6 RW D 0 Control probe B1
8. 0 41 R Circuit 1 alarm Digital tP General thermal overload Depends on P08 OFF OFF OFF 0 45 R General warning Digital tC Circuit 1 thermal overload Depends on P08 OFF C1 2 OFF 1 0 41 R Circuit 1 alarm Digital LA General warning Depends on P08 0 50 R General warning Digital FL Flow switch alarm Depends on P08 OFF OFF OFF 0 45 R General alarm Digital FLb Backup pump warning Automatic 50 R General warning Digital El Probe B1 alarm Automatic OFF OFF OFF OFF 0 46 R Probes alarm Digital E2 Probe B2 alarm Automatic OFF OFF OFF OFF 0 46 R Probes alarm Digital E3 Probe B3 alarm Automatic OFF OFF OFF OFF 0 46 R Probes alarm Digital E4 Probe B4 alarm Automatic OFF OFF OFF OFF le 46 R Probes alarm Digital Hc1 2 Comp 1 2 pumps hour Automatic e s 3 S gt 47 R Compress warning Digital warning EPr EEPROM error during Automatic 50 R General warning Digital operation EPb EEPROM error at start up Automatic OFF OFF OFF OFF OFF OFF 45 R General alarm Digital ELI Zero crossing Automatic 100 ON 52 R Fans warning Digital Al Anti freeze alarm Depends on P05 OFF C1 2 OFF 1 ON 41 R Circuit 1 alarm Digital Ht High temperature Automatic ON 51 R Temperature warning Digital Lt Low ambient temp Depends on P05 ON 51 R Temperature warning Digital AHt High temperature at start up Automatic OFF OFF OFF 50 R General warning Digital
9. D 0 enabled 1 disabled H23 etwork protocol F 0 1 0 E 11 11 RW D 0 Carel 1 ModBus H24 High low temperature alarm effect F 0 3 0 124 331 R W 0 No compressor stop 1 Stop due to high temperature alarm 2 Stop due to low temperature alarm 3 Stop due to high or low temperature alarm H25 Hot gas by pass F 0 1 0 2 25 25 RW D 0 disabled 1 enabled H26 Hot gas by pass in stand by F 0 1 0 S 26 26 RW D 0 disabled 1 enabled Firmware parameters F r H99 Software version 0 999 int x 1 208 R H97 Driver software version 0 99 9 int 7 y 3 210 R H95 Expansion software version I O board D 0 99 9 int E l 149 356 R Alarms setting parameters P POT Flow switch alarm delay at pump start up U 0 150 s 20 i 63 270 R W P02 Flow switch alarm delay in normal conditions U 0 120 s 5 64 271 R W PO3 Low pressure alarm delay at compressor start up U 0 200 s 40 z 65 272 R W P04 Compressor partialization in high pressure mode U 0 3 0 P 66 273 R W 0 Deactivated 1 Activated 2 Do not select 3 Do not select Po5 Alarms reset E 0 6 z 0 67 274 RW 0 HP1 LP1 A1 Lt manual 1 HP1 LP1 A1 Lt automatic 2 HP1 A1 Lt manual LP1 automatic 3 HP1 manual LP1 A1 Lt automatic 4 HP1 LP1 manual A1 Lt automatic 5 HP1 LP1 3 times in one hour manual A1 Lt automatic 6 HP1 LP1 3 times in one hour manual A1 Lt manual 31 uC SE process chiller 030220416 rel 2 0 12 04 2012 Par CAREL Descript
10. E 21 6 3 A O EER EE 21 6 4 Compressors management 21 6 5 PUMP management 2 25 6 6 Compressor evaporator pump valve delays 24 6 7 Fanimandgementi ina ii ie e o 24 6 8 o acetato eta 25 6 9 Pump down E 6 10 Heater EI ir 26 EE EE 27 8 1 A ese dla 8 2 Alarms dEScuplion ri I ai e 8 3 Alarm digital inputs outputs Technical specifications CAREL a 1 INTRODUCTION 1 1 General description 13 Accessories LC SE for process chiller is a compact electronic controller designed for the complete management of the process chiller with 1 refrigerating circuit it can 1 3 1 le board code MCH2000060 control air water and water water machines The controller has 5 digital inputs 5 digital outputs 4 analogue inputs and 1 analogue output It can be installed mun mu individually eee connected to the tLAN network with the EVD driver to manage the electronic expansion valve gt connected in tLAN network with inputs outputs expansion board ui The PWM output can be converted using the following modules Im e e CONVO 10A0 conversion from PWM output for SSR into a linear analogue signal 0 10 Vdc and 4 20 mA CONONOFFO conversion from PWM output for SSR into an On Off output from The board connected in tLAN network to the controller has 5 digital inputs and 5 relay digital outputs The switch over of every digital input can be associated to a determined alarm signal shown on the contr
11. EVD Driver 2 4 2 4 Other configuration parameters par c14 23 H09 P35 c14 establishes the number of operating hours of the compressors pumps expressed in hundreds of hours over which to activate the maintenance request signal Hcl Hc2 c10 and c11 are read only parameters and indicate the number of operating hours of the compressors 1 and 2 expressed in hundreds of hours c15 and c16 are read only parameters and they indicate the number of evaporator and condenser pump operating hours expressed in hundreds of hours The maintenance request signal for the pumps is always Hcl Pressing ZE and y simultaneously in the timer value display phase resets the same at zero and consequently to the cancellation of the maintenance request HO9 allows to disable the modification of the Direct and User parameters from keyboard however it allows to display the parameter values The timer reset function is also disabled P35 allows to alter the status of the alarm relay if it is active Par Description viel als gt c10 Compressor 1 timer 0 0 800 100 h cll Compressor 2 timer o 0 800 100 h c14 Maintenance request threshold 0 0 100 100 h 0 function disabled c15 Evaporator pump timer 0 0 800 100 h c16 Condenser pump timer 0 0 800 100 h 23 Unit of measurement 0 po 1 0 1 C F HO9 Lock keypad 1 0 1 0 1 disabled enabled P35 Modify alarm relay status via PRG mute
12. MCHRTF CONVONOFF and CONVO 10A Impulse position modulation settable width or modulation of the duty cycle Unloaded voltage 5 V 10 Short circuit current 30 mA Maximum output load 1 kW Front protection rating IP55 Storage conditions 10T70 C humidity 80 R H non condensing Operating conditions 10T55 C humidity 90 R H non condensing Level of pollution Normal Heat and fire resistance cat D UL94 VO PTI of the isolating materials All isolating materials have PTI gt 250 V Class and structure of the software A Period of electric stress across insulating parts Long Type approvals CE UL File El98839 sec 16 Note all relays must have the common C1 2 C3 4 C6 7 C8 9 connected together 300 200 3 U Vac 30Vdc x e 50 AC 120V coso 0 7 S 30 AC 250 V coso 0 7 gt o 8 10 Q a 3 20 Vac coso 0 4 7 L 2 250 Vac coso 0 4 30 Vdc 1 I 0 1 2 3 4 5 corrente sui contatti A uCSE process chiller 030220416 rel 2 0 12 04 2012 39 CAREL Gy Operational specifications Analogue inputs resolution Temperature probes interval 40T80 C 0 1 C Interval 20T20 C 0 5 C probe excluded Interval 40T80 C 1 5 C probe excluded Pressure measurement error The voltage error with a range of input from 0 5 to 4 5 is 2 excludi
13. cannot be programmed and is intended for the compressor the analogue inputs B1 and B2 are reserved respectively for the evaporator input and output probes Key G 24 Vac power supply GO Power supply reference 1D11 1D15 Digital inputs 11 15 B8 Analogue input 8 EI C15 Common digital outputs 11 15 NO11 NO15 Digital outputs 11 15 normally open contact V Ratiometric pressure probe power supply Y2 Analogue output 2 Tx Rx Ground UAN port 2 6 Inputs outputs labelling uC SE I O expansion board Analogue inputs B1 B4 B8 Digital inputs 1D1 1D5 ID11 IDI5 Analogue outputs YI Y2 Digital outputs NO1 NO5 NO11 NO15 Notes only probe B8 can be connected to the UO expansion board the numbering of the digital inputs outputs of the expansion board goes from 11 to 15 WC SE process chiller 030220416 rel 2 0 12 04 2012 2 7 Connection with CONVO 10VA0 and CONVONOFFO modules accessories The CONVO 10AVAO and CONVONOFFO modules allow to convert a PWM output for SSR respectively into an analogue output 0 10Vdc and into an ON OFF output with relay Note that with the same controller 3 different types of outputs can be obtained pe Tux GND Input signal GGO Y Y 00oo TESA Input signal CONVO 10A0 CONVONOFFO l ri 8 5 678 Tan 81 62 83 10s 103 101 K
14. o a aj H13 Pump down 0 po 1 0 1 disabled enabled H25 Hot gas by pass 0 po 1 0 1 disabled enabled H26 Hot gas by pass in stand by 0 po 1 0 1 disabled enabled 15 4 2 2 Network parameters par H08 H10 H23 The tLAN network can be composed just by the controller for process chiller which will have the inputs outputs for the standard machine controller If the thermostatic expansion valve is replaced by the electronic expansion valve the EVD driver must be connected If connected the I O expansion board allows to configure the digital inputs with 5 new warnings or alarms Moreover it allows each individual digital output to change on the basis of an individual alarm The serial address identifies the controller in a RS485 network with Carel or Modbus protocol Par Description 5 e ES a gt HO8 Network configuration 4 0 7 0 Control only 1 Control EVD 2 3 Do not select 4 Control IO 5 Control EVD IO 6 7 Do not select H10 RS485 serial address 1 1 200 H23 Network protocol 0 0 1 0 Carel 1 ModBus 4 2 3 tLAN address configuration The tLAN factory addresses of the I O expansion board and of the DND driver are given in the table The tLAN address of the I O expansion board is fixed To modify the address of the EVD driver consult the manual cod 030220227 Device tLAN address I O expansion board 3
15. o No 5 This function allows the unit to be stopped while avoiding the possible formation FI4 Fan with high condensing temperature when 0 o 1999 5 of liquid refrigerant inside the evaporator When the only active compressor is starting called to stop the expansion valve is closed so as to depressurise the circuit Valid 0 Disabled only when the driver is installed as the driver pressure probe is used Par Description 5 elx a s gt H13 Enable pump down 0 0 f H14 Bump down minimum pressure 2 O 50 bar H15 Pump down maximum time 30 0 180 s uC SE process chiller 030220416 rel 2 0 12 04 2012 25 CAREL 6 10 Heaters management r43 defines the relationship between absolute set point intended as electric heaters activation threshold and relative set point i e electric heaters activation threshold referring to an operational set point For example if r43 7 the anti freeze support heater will activate below the value of r01 A04 Par Description Def Min instead of A04 Max 143 Heaters set point 0 A04 A08 A11 P16 P19 absolute 1 A04 P16 P19 absolute A08 A11 relative 2 A08 A11 P16 P19 absolute A04 relative 3 P16 P19 absolute A04 A08 A11 relative 4 A04 A08 A11 absolute P16 P19 relative 5 A04 absolute A08 A11 P16 P19 relative 6 A08 A11 absolute A04 P16 P19 relative 7 A04 A08 A11 P16 P19 relative
16. respected also on switch on of the compressor irrespective of condenser temperature pressure if the NTC temperature probe is selected for condenser controller and the speed control is enabled F02 3 this takes place in order to anticipate the sudden pressure increase to which a just as quick temperature increase in the area where the probe is positioned does not necessarily correspond and consequently improve regulation If F11 0 the function is disabled i e the fans are activated at minimum speed and then controlled on the basis of the condensation temperature pressure F12 is the triac impulse duration It represents the duration of the impulse applied to the triac in milliseconds For motors with inductive behaviour set the parameter at 2 default Instead using the CONVONOFFO CONVO 10A0 modules FCS regulators set the parameter at 0 F14 is the forced ventilation time on start up in condenser high temperature mode It establishes the forced ventilation time at maximum speed in the event of start up with condenser high temperature The function is operational if the condenser probe is temperature and only for air water chiller On start up of the first compressor of the circuit affected it is assumed that the environment temperature iS near to that present on the condenser if the value measured by the condenser probe exceeds the value FO5 FO7 the compressor switches on and the fan of the circuit is forced to the max speed for th
17. switch on time 3 0 15 min 507 008 ou E a CMP OFF ON IN OFF i c18 i c17 k c18 c17 c18 li Key t time P pump CMP compressor uC SE process chiller 030220416 rel 2 0 12 04 2012 CAREL 6 6 Compressor evaporator pump valve delays 6 6 1 Compressor pump delays par c07 c08 c07 if the evaporator pump is on at request of the regulator H05 2 if necessary the compressor is enabled after the time set If the pump is always on HO5 1 it is activated after the times et by unit switch on c06 c08 with the pump on by regulator call HO5 2 in the event of compressor switch off regulation first pilots compressor deactivation and then that of the pump If the flow pump is always on HO5 1 it is only deactivated in standby Par Description 5 ISS a c07 Pump compressor switch on 20 0 999 s delay c08 Compressor pump switch off 1 0 150 min delay ON P OFF CMP Key t time 6 6 2 Valve compressor switch on delay C19 represents the delay time necessary to ensure that the valve opens before compressor start up The parameter is only available when the EVD driver is connected Par Description Def E gt 0 S c19 Valve compressor switch on 3 delay e o 6 7 Fan management 6 7 1 Fan operation FO1 enables the condenser fan output according to the output assigned by parameter H11 Depending on the ty
18. type on compressor switch on there is fans peak at maximum speed for time F11 irrespective from the temperature measured In the event of broken condenser probe the fans are off FO3 is the minimum threshold for the triac If FCS CONVONOFFO CONVO 10A0 regulators are used set this parameter at 0 F034 is the maximum threshold for the triac If FCS CONVONOFFO CONVO 10A0 regulators are used set this parameter at 100 FO5 is the temperature pressure set for fan speed It determines the temperature or pressure below which the fan remains a minimum speed In the case of regulation ON OFF represents the temperature or pressure below which the fan is off F06 is the temperature pressure differential If the speed controller is used it represents the differential with respect to FO5 of the temperature or pressure above which the fan is activated at maximum speed In the case of regulation ON OFF represents the differential above which the fan is on FO7 is the temperature pressure differential for switch off If the speed controller is used it represents the differential with respect to F05 below which the fans switch off Switch on has a hysteresis of 1 C or 0 5 bar if used for the condenser controller respectively for temperature or pressure probe 6 7 2 Fan switch on F11 is the fan peak time It establishes the operating time at maximum speed at fan switch on in order to combat mechanical inertia of the motor The same timing is
19. 0 2 do not select A10 3 heaters only on on the basis of the set point A04 Par Description Def o Min w Max U M A10 Anti freeze automatic switch on 0 Disabled 1 Heaters and pumps on simultaneously on A4 2 Do not select 3 Heaters on at A4 6 3 Anti freeze with EVD With the EVD driver connected A14 represents the evaporation temperature transmitted by the driver below which the anti freeze alarm is activated when the alarm is active the compressors in the circuit affected are switched off while the pump remains on to reduce the possibility of freezing Reset manual or automatic see par P05 only occurs when the water temperature exceeds A14 A02 Par Description 5 S O Z 2 gt A14 Anti freeze EVD alarm set point 3 A07 A04 C F A02 Anti freeze alarm differential 5 0 3 122 C F 21 A ON ALARM A1 OFF 3 A14 A02 gt t Key Al4 Antifreeze EVD alarm set point A02 S3 EVD evaporation temperature probe Differential t Time 6 4 Compressors management 6 4 1 c05 The parameters in question regard the minimum operating times or switch off times of the same output or different outputs with the purpose of protecting the compressor and preventing regulation oscillations Digital outputs at relay par c01 c02 c03 c04 For the times set to become operational switch the controlle
20. 1 0 1 0 1 No Yes WC SE process chiller 030220416 rel 2 0 12 04 2012 CAREL 4 3 Minimum and maximum fan speed calculation This procedure should only be performed when the fan speed control boards are used code MCHRTF When ON OFF modules are used code CONVONOFFO or alternatively the PWM to 0 to 10 V converters code CONVO 10A0 are used parameter F03 should be set to zero and parameter F04 to the maximum value Given the different types of motors existing on the market it must be possible to set the voltages supplied by the circuit board corresponding to the temperatures of minimum and maximum speeds In this regard and if the default values are not suitable proceed as follows e set the parameter FO2 0 and reset F03 and F04 to zero e the condensation set point has been modified to take the output signal to the maximum value PWM increase FO4 until the fan operates at a sufficient speed make sure that after having stopped it it can rotate freely when released e copy this value to parameter F03 this sets the voltage for the minimum speed connect a voltmeter set to AC 250V between the two L terminals the two external contacts e increase F04 until the voltage stabilises at around 2 Vac inductive motors or 1 6 1 7 Vac capacitive motors Once the value has been found it will be evident that even when increasing F04 the voltage no longer decreases Do not increase FO4 fu
21. 1 Anti freeze probe B2 A07 Anti freeze alarm set point limit F 40 176 C F 40 15 15 RW A A08 Heater 1 set point see r43 U A01 80 C F 5 AA 16 16 RW A A08 Heater 1 relative set point see r43 U 0 20 C F 2 AR 78 78 RW A A09 Heaters differential U 0 3 50 C F 2 17 17 RW A 27 WC SE process chiller 030220416 rel 2 0 12 04 2012 CAREL 28 WC SE process chiller 030220416 rel 2 0 12 04 2012 Lv S oi e a 2 L 3 la e 18 ele 2 A see es 8 2 3 CR A10 Anti freeze automatic switch on U 0 3 0 23 230 RW 0 Disabled 1 Heaters and pumps on simultaneously on A4 see r43 2 Do not select 3 Heaters on at A4 All Heater 2 set point see r43 U A01 80 C F 5 AA 67 67 R W A11 Heater 2 relative set point see r43 0 20 C F 7 AR 79 79 R W Al4 Anti freeze EVD alarm set point U A07 A04 C F 3 2 81 81 RW A Probes reading parameters b boo Display U 0 11 N 0 z 24 231 RW 0 Probe BI 1 Probe B2 2 Probe B3 3 Probe B4 4 Do not select 5 Do not select 6 Do not select 7 Do not select 8 Set point without compensation 9 Set point with compensation 10 ID remote 11 Do not select b01 Probe B1 reading D 0 0 GPE 0 a 02 02 R A bo2 Probe B2 reading D 0 0 C F 0
22. 1 2 5 4 5 6 01 compressor 1 compressor 1 compressor 1 compressor 1 compressor 1 compressor 1 compressor 1 02 heater 1 heater 1 heater 1 heater 1 heater step 1 03 evaporator pump evaporator pump evaporator pump evaporator pump evaporator pump evaporator pump 04 compressor 2 or compressor 2 compressor 2 compressor 2 condenser fan compressor 1 or compressor 1 or comp 1 or comp 1 partialisation partialisation partialisation partialisation 05 alarm alarm alarm alarm alarm alarm 7 8 9 10 11 12 01 compressor 1 compressor 1 compressor 1 compressor 1 compressor 1 compressor 1 02 heater step 1 heater step 1 compressor 2 compressor 2 compressor 2 P25 03 i E ki S S P26 04 heater step 2 condenser fan heating step 1 heating step 1 P27 05 alarm alarm alarm alarm alarm P28 30 WC SE process chiller 030220416 rel 2 0 12 04 2012 CAREL vo S d S E ee 3 2 AE E E JE Z E S 8 S EZ sS H12 Compressor partialization valve F 0 3 flag 1 60 267 R W 0 Normally excited 1 Normally unexcited 2 3 Do not select H13 Pump down F 0 1 a 0 V 17 17 RW D 0 1 activated deactivated H14 Pump down minimum pressure F 0 50 bar 2 37 37 RW A H15 Pump down maximum time F 0 180 s 30 61 268 R W H21 Do not select F 0 4 0 E 62 269 R W H22 Default parameters setting F 0 1 0 2 18 18 RW
23. 1 effective St1 Par Description 5 e z _ a gt r01 Set point 12 r13 r14 CITE r17 Compensation constant 0 5 5 0 no compensation r18 Maximum distance from the set point 0 3 03 20 C F r19 Start compensation temperature 30 40 176 C F A r01_comp r01 ri8p r17 2 r17 0 5 r01 r17 0 5 r0t r18 gt ri9 B3 Key r01_comp Compensated set point 5 8 Low load In the systems with reduced water content a storage tank must be provided so that there are no continuous and rapid temperature changes in the cooled water following control intermittence In this way the number of compressor hourly switch ons offs is limited to an acceptable number The storage tank can be eliminated in low load conditions Low load condition 1 only one compressor is active 2 the compressor is switched off after an operating period less than the value of parameter 128 128 therefore represents the minimum operating time of the compressor below which the low load condition is determined The compressor will analyse the low load status every time the compressor is switched off If already in low load state the time considered by the controller for the new analysis becomes r28xr29 r02 uC SE process chiller 030220416 rel 2 0 12 04 2012 CAREL Gy The low load differential is 129 This parameter represents the new differential
24. 11 Fax 39 049 9716600 e mail carel carel com www carel com Agence Agency uC SE for process chiller 030220416 rel 2 0 12 04 2012
25. 3 03 03 R A b03 Probe B3 reading D 0 0 Ort 0 04 04 R A b04 Probe B4 reading D 0 0 C F bar 0 E 105 105 R A bo9 Driver evaporation temperature D 0 0 SGF 0 V 10 10 R A b10 Driver evaporation pressure D 0 0 bar 0 y 111 111 R A b11 Driver overheating D 0 0 C F 0 V 12 12 R A b12 Driver saturation temperature D 0 0 CSF 0 y 113 113 R A b13 Driver valve position D 0 100 Yo 0 V 14 14 R A b19 Condenser output temperature probe D 0 0 C F 0 V 20 20 R A Compressors setting parameters c OI Compressor minimum switch on time U 0 999 s 60 A 25 232 RW c02 Compressor minimum switch off time U 0 999 s 60 A 26 233 RW c03 Delays between switch ons of the same compressor U 0 999 s 360 S 27 234 RW c04 Switch on delay between 2 compressors U 0 999 s 10 28 235 R W c05 Switch off delay between 2 compressors U 0 999 S 0 i 29 236 R W c06 Outputs activation delay U 0 999 S 0 E 30 237 R W c07 Pump compressor switch on delay U 0 999 S 20 31 238 R W c08 Compressor pump switch off delay U 0 150 min 1 e 32 239 R W c09 Maximum operating time of compressor in tandem U 0 60 min 0 33 240 R W 0 function disabled c10 Compressor 1 timer D 0 800 100h 0 A 122 122 R A cll Compressor 2 timer D 0 800 100 h 0 A 123 123 R A c12 Do not select D 0 800 100 h 0 124 124 R A c13 Do not select D 0 800 100 h 0 2 125 125 R A au Maintenance request threshold U 0 100 100 h 0 z 34 241 RW 1 0 function disabled c15 Evaporator pump timer D 0
26. 50 GF 30 E 59 59 RW A 143 Heaters set point F 0 7 7 E 121 328 RW 0 A4 A8 A11 P16 P19 absolute 1 A4 P16 P19 absolute A8 A11 relative 2 A8 A11 P16 P19 absolute A4 relative 3 P16 P19 absolute A4 A8 A11 relative 4 A4 A8 A11 absolute P16 P19 relative 5 M absolute A8 A11 P16 P19 relative 6 A8 A11 absolute Ad P16 P19 relative 7 A4 A8 A11 P16 P19 relative r45 Relative regulation maximum set point D r46 176 C F 30 z 84 84 RW A r46 Relative regulation minimum set point F 40 r45 Gre 10 S 85 85 RW A 147 Do not selec D 40 176 CF 30 86 86 RW A rag Do not selec D 0 50 C F 10 87 87 RW A Parameters t DO NOT SELECT 34 uCSE process chiller 030220416 rel 2 0 12 04 2012 CAREL Ev 8 ALARMS 8 1 Type of alarms Par Description ss el xsl The alarms cause the LED on the display to switch on There are two types a gt serious they cause the total switch off of the controller e g high power supply POS Alarms reset 0 jO 6 voltage communication error with I O expansion board O HP1 LP1 A1 Lt manual e slight cause one or more devices to switch off high low pressure alarm 1 HP1 LP1 A1 Lt automatic compressor switch off anti freeze compressor fan switch off etc 2 HP1 A1 Lt manual LP1 automatic Their i
27. 800 100 h 0 e 126 126 R A c16 Condenser pump timer D 0 800 100 h 0 o 127 127 c17 Pump minimum switch off time 0 150 min 30 3 35 242 RW CAREL d a e E ka 3 2 ke bei kode o gt Sila E E 5 a 2 a 2 2 85 c18 Pump minimum switch on time 0 15 min 3 m 36 243 R W c19 Valve compressor switch on delay 0 100 s 3 125 332 R W Fans setting parameters F F01 Fan F 0 1 0 a 10 10 R W D 0 absent 1 present FO2 Fan operating mode U 0 3 0 F 48 255 R W 0 Always on 1 In parallel to compressor 2 On Off 3 Speed regulation FO3 Minimum voltage threshold for Triac F 0 FO4 step 35 F 49 256 RW F04 Maximum voltage threshold for Triac F F03 100 step 75 F 50 257 RW FO5 Fan speed set point in pressure U Mm m bar 13 FP 23 23 RW A FO5 Fan speed set point in temperature U 40 176 C F 35 FN 24 24 RW A Fo6 Fan speed differential in pressure U 0 30 bar 3 FP 25 25 RW A F06 Fan speed differential in temperature U 0 50 C F 10 FN 26 26 RW A FO7 Minimum fan speed differential in pressure U 0 FO5 bar 5 FP 27 27 RW A Fo7 Minimum fan speed differential in temperature U 0 50 C F 15 FN 28 28 RW A F11 Fans peak speed U 0 120 s 0 F 51 258 RW i 0 function disabled F12 Triac impulse duration F 0 10 s 2 F 52 259 RW 1 F14 Fan with high condensing temperature when starting 0 999 s 0 FN 91 2988 R
28. CAREL UC SE for process chiller GE Electronic controller LEGGI E CONSERVA QUESTE ISTRUZIONI READ AND SAVE THESE INSTRUCTIONS ENG User manual Integrated Control Solutions amp Energy Savings ATTENTION DISPOSAL CAREL bases the development of its products on several years experience in the HVAC field on continuous investment in technological innovation of the product on rigorous INFORMATION FOR THE USERS REGARDING THE CORRECT quality procedures and processes with in circuit and function tests on 100 of its HANDLING OF WASTE ELECTRIC AND ELECTRONIC EQUIPMENT production on the most innovative production technologies available on the market WEEE CAREL and its branch offices affiliates do not guarantee in any case that all the aspects of the product and the software included in the product will respond to the demands of the final application even if the product is built according to state of the art techniques The client builder developer or installer of the final equipment assumes every responsibility 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 With reference to European Parliament and Council Directive 2002 96 EC issued on 27 January 2003 and the related national implementation legislation please note that e WEEE cannot be disposed of as municipal waste said waste must be collected separat
29. UP Selection of successive parameter Single of continuous press AA Immediate access to values read by the probes parameters b01 b02 Single press Passage from stand by to chiller mode and vice versa Press for 5 s DOWN v Value decrease Select previous parameter Immediate access to values read by the probes parameters b01 b02 Single or continuous press Single press A ve A v Alarms manual reset Immediate timer reset Press for 5 s 3 3 Example timer reset e E Pressing Key simultaneously in the timer value display phase e g parameter C10 resets the same at zero and consequently cancels the maintenance request 13 uC SE process chiller 030220416 rel 2 0 12 04 2012 CAREL 3 4 Programming The parameters divide into 4 different levels according to their accessibility by the user via password and their function Entering a certain level it is possible 1 to access all parameters of the same level and the lower levels S P menu 2 set the desired level for each parameter L P menu 3 4 1 Levels Factory accessible with password 66 it allows the configuration all unit parameters Super User accessible with password 11 it allows the configuration of the Super User User and Direct parameters User accessible with password 22 it allows the configuration of those parameters that can be set typically by the user and Direct therefore relat
30. W 0 Disabled FI5 Do not select U 0 1 0 F 85 292 RW F16 Do not select F 0 50 C F bar 0 F 35 35 RW A Machine setting parameters H Ho1 Chiller type F 2 4 2 a 54 261 RW 2 Alr water 4 Water water H02 Do not select U 0 1 S 0 S 2 12 R W HO3 Do not select F 0 1 S 0 e 13 13 R W Ho4 Number of compressors per circuit F 0 5 0 a 55 262 RW 1 0 1 compressor 1 2 compressors tandem on 1 circuit 2 Do not select 3 Do not select 4 1 compressor and a partialization on circuit 1 5 Do not select HO5 Evaporator pump F 0 3 1 z 56 263 RW 0 Absent 1 Always on 2 On at request of regulator 3 On at regulator request and timed Hop Do not select U 0 1 i 0 14 14 R W H07 Digital input On Off 0 1 0 a 15 15 R W 0 Absent 1 Presen HO8 Network configuration F 0 7 4 2 57 264 RW 0 Control only 1 Control EVD 2 Do not select 3 Do not select 4 Control IO 5 Control EVD 10 6 Do not select 7 Do not select 29 WC SE process chiller 030220416 rel 2 0 12 04 2012 CAREL w S a e a E 2 L 3 E c x E 3 5 2 3 E S 8 2 a gt H09 Lock keypad U 0 I 1 _ 16 16 RW D 0 keypad disabled 1 keypad enabled H10 RS485 serial address U 1 200 1 58 265 R H11 Outputs setting table F 0 12 0 e 59 266 RW 1 H11 0
31. alarm relay will be activated FL flow switch alarm This alarm is detected only if the pump is on excluding the delays when starting P01 and P02 in normal conditions irrespective of the status of the compressor All outputs are disabled pump compressor without respecting switch off times condenser fan and the alarm relay is activated and the display flashes The presence of the utility water pump must be enabled H50 It can be reset either manually or automatically see P08 P09 P13 SE process chiller 030220416 rel 2 0 12 04 2012 CAREL Par Description 5 e x 3 a gt Po1 Flow switch alarm delay at pump 20 0 150 s start up Po2 Flow alarm delay in normal 5 0 120 s conditions DOS Low pressure alarm delay at 40 0 200 s compressor start up ON CMP OFF ON AL OFF ON FL OFF e mem t Key l l t time E1 E4 probe error detected also with machine in Stand by The presence of a probe alarm leads to the deactivation of the compressor the condenser fan pump and heater the alarm relay and display flashing are activated In the event of external probe fault and compensation function enabled the unit continues to operate correctly the function deactivates a warning is activated via the alarm relay and the message appears on the display from E1 to E4 for probes B1 to B4 Hc1 Hc2 compressors pumps operating hour limit exceeded warning When the number of operating hou
32. ameter P25 P28 On occurrence of any of the alarms in the alarms table the output selected as alarm output switches over I O expansion board the function of digital outputs as alarm can be configured from parameter P42 P46 In this case the output only switches over if the selected alarm occurs Par Description 3 E P21 Alarm relay output logic 0 0 0 1 Normally unexcited excited P25 Digital output 2 selection 0 0 1 10 Alarm P26 Digital output 3 selection 0 10 1 See P25 P27 Digital output 4 selection 0 0 1 See P25 P28 Digital output 5 selection 0 0 1 See P25 P42 Digital output 11 selection 0 0 8 0 not used 1 5 Adi Ad5 6 Circuit 1 high pressure alarm 8 Circuit 1 low pressure alarm 10 Circuit 1 thermal overload 12 Flow switch alarm 13 Low temp alarm 14 High temp alarm 15 Low temperature alarm at start up 16 High temperature alarm at start up 17 Pump thermal overload 18 Do not select P43 Digital output 12 selection 0 0 18 See P42 P44 Digital output 13 selection 0 0 18 See P42 P45 Digital output 14 selection 0 0 18 See P42 P46 Digital output 15 selection 0 0 18 See P42 WC SE process chiller 030220416 rel 2 0 12 04 2012 9 TECHNICAL SPECIFICATIONS Group A is defined successively the collection of the following outputs valve pump compressor heater Power supply 24 Vac range 10 15 50 60 Hz Maximum in
33. ated at maximum speed for 60 s to oppose the alarm after which it is switched off This alarm may also be generated when the high pressure limit is exceeded active only when pressure transducer is fitted set by the parameter P18 which to be enabled must be greater than 3 0 bar due to the corresponding hysteresis The following figure the graphics shows alarm automatic reset Par Description sls x o s gt P18 High pressure alarm threshold 2 P33 99 9 bar O alarm disabled 0 P36 High pressure alarm management 0 Always 1 With compressor active after 2 s from activation ON HP1 OFF B4 P18 L P18 3 Key t time LP1 Low pressure The alarm depends on P15 on P7 and on P3 P15 1 PO7 1 the alarm is detected after time P03 with compressors off or active depending on P15 The hysteresis for this alarm is 1 bar 36 tP General overload The alarm is detected irrespective of the status of the pump and the compressors The compressors the pumps and fans stop without observing the protection times or are inhibited from starting the alarm relay is activated the display flashes the corresponding message and the LED flashes It can be reset either manually or automatically see par P08 P09 P13 tC1 Circuit thermal overload LA general warning This represents a generic warning that appears on the display via digital input without modifying the operation of the unit the
34. commended to use probes with shielded cable connect just one end of the shield to the electric control board earth 2 Program the controller see the User interface chapter 3 Connect the actuators it is preferable to connect the actuators only after having programmed the controller It is recommended to carefully evaluate the maximum capacities of the relays indicated in the technical specifications 4 Connect the serial network if the connection to the supervision network is envisioned via the relevant serial boards code MCH2004850 the system must be earthed Make sure there is just one earth connection In particular the transformers secondary device which powers the controllers must not be connected to earth If connection to a transformer with earthed secondary device is necessary an isolation transformer must also be used It is possible to connect several controllers to the same isolation transformer however it is recommended to use one isolation transformer for every controller Case 1 several controllers connected in network powered by the same transformer GO not connected to earth Typical application of several controllers inside the same electric control board 230 Vac 24 Vac uCSE process chiller 030220416 rel 2 0 12 04 2012 CAREL Case 2 several controllers connected in network powered by the different transformers GO not connected to earth Typical application of
35. compressor 2 compressor 2 P25 03 E S S S P26 04 heater step 2 condenser fan heating step 1 heating step 1 P27 05 alarm alarm alarm alarm alarm P28 P27 Digital output 4 See P25 P28 Digital output 5 See P25 P42 Digital output 11 0 Not used 1 5 Ad1 Ad5 6 High pressure alarm 7 Do not select 8 Low pressure alarm 9 Do not select 10 Circuit 1 thermal overload 1 Do not select 2 Flow switch alarm 3 Low temperature alarm 4 High temperature alarm 5 Low temperature alarm at start up 6 High temperature alarm at start up 7 Pump overload 8 Do not select P43 Digital output 12 See P42 P44 Digital output 13 See P42 P45 Digital output 14 See P42 P46 Digital output 15 See P42 19 5 6 Analogue outputs The analogue output Y1 is set up for the condenser fan and is active if F01 1 In systems with hot gas bypass function enabled the bypass valve is commanded by the output Y1 controller or Y2 I O expansion board See the control chapter 5 7 Compensation The compensation can indifferently increase or decrease the value of r01 depending on whether r17 is respectively positive or negative r01 varies only if the external temperature e g B3 exceeds r19 if B3 is over r19 there will be r01 effective r01 B3 r19 r17 if B3 is lower than r19 St
36. e deactivation time also varies depending on a maximum i e the value set by the parameter r10 in correspondence of the set point temperature and a minimum determined by parameter r11 in correspondence with the differential end for the deactivation of compressors in this mode selected via parameter r12 Below this value the deactivation time will be the same as the minimum set to the temperature value A04 beyond which all compressors will be switched off irrespective of times On moving away from the set point a more dynamic process reaction is derived A r10 Deactivation l time i i r11 j ATA sq P r01 H05 0 pump disabled the flow switch alarm is ignored HO5 1 always on alarm managed HO5 2 switched on on regulator request alarm managed HO5 3 pump activated at regular ON and OFF intervals independently from the compressor according to parameters c17 and c18 6 5 2 Minimum switch on off times c17 below find the operating diagram of the pump in burst mode active with HO5 3 The burst operation is disabled in stand by and during an alarm with pump inhibited On switch on it is activated after time c17 c18 represents the minimum time during which the pump remains active See the following paragraph for compressor pump delays c07 and c08 Par Description D el Ss a gt c17 Pump minimum switch off time 3 0 150 min cl8 Pump minimum
37. e power supply voltage is too high or too low the relative message appears on the display Correct operation of pC SE is not guaranteed The low voltage only leads to the execution of the loads switch off request Any switch on requests remain pending High voltage leads to switch off of all excited relays tEr terminal communication error This alarm appears only if uC SE is connected to a terminal The alarm is generated after a fixed time 30 s from when pC SE has lost contact with the terminal In this case the unit is inhibited for safety reasons L low load condition warning The warning does not activate the relay and displays the L message reset is automatic Driver All of the driver alarms that block the unit are self resetting for C SE Therefore the possibility to select self reset of the entire system must be selectable from the driver itself via the relevant parameters uC SE can give the Go Ahead command according to the usual alarms reset procedure from keyboard Ed1 tLAN communication error with the Driver The alarm is generated after a fixed time 5 s from when pC SE has lost contact with the Driver In this case the unit is inhibited for safety reasons SH1 low overheating alarm The low overheating of circuit 1 alarm stops circuit 1 for safety reasons after a fixed period of time 5 s The risk is that the compressors are flooded nO1 MOP warning maximum operational pressure The warning appears o
38. e time set in F14 SE process chiller 030220416 rel 2 0 12 04 2012 CAREL 6 8 Hot gas bypass ON The hot gas by pass in temperature mode function allows to increase the de temperature of the output water from the evaporator The output enabled is the de controller analogue output Y1 water water chiller or Y2 air water chiller of the I O expansion board i Fo6 83 84 FOS Par Description wel el sl zs O IS gt 1 C 0 5 bar H25 Hot gas by pass o jo 4 3 0 1 disabled enabled ro H26 Hot gas by pass in stand by o jo fi FAN Do l 0 1 disabled enabled SPEED BE F03 I i KA j i Fo pm B3 B4 FOS Par Description e x a gt FOI Fan 0 o fl 5 0 absent 1 present F02 Fan operating mode 0 0 B 0 Always on 1 In parallel to compressor 2 On Off 3 Speed control FO3 Minimum voltage threshold for Triac 35 o Fo4 step FO4 Maximum voltage threshold for Triac F03 100 75 step FO5 Fan speed set point in pressure 35 40 176 C F FO5 Fan speed set point in temperature 13 A VI bar FO6 Fan speed differential in pressure 10 0 50 CIE F06 Fan speed differential in temperature 3 o 30 bar FO7 Minimum fan speed differential in pressure 5 0 Fo5 bar FO7 Minimum fan speed differential in temperature 15 0 50 C F F11 Fans peak speed 0 o 120 S 6 9 Pump down 0 function disabled EI Triac impulse duration 2
39. ection against short circuits due to faulty wiring must be guaranteed by the manufacturer of the appliance that the controller will be fitted on 2 9 Programming key copy of the set up The PSOPZKEYOO and PSOPZKEYAO programming keys for CAREL controllers allow to copy the complete set of WC SE parameters The keys must be connected to the connector AMP 4 pin envisioned in the controllers and can operate with Instruments that are live or not according to that indicated in the user notes of the specific controller There are two main functions envisioned and they are selected via two dip switches situated under the battery lid These are e loading the parameters of a controller into the key UPLOAD copying the key onto one or more controllers DOWNLOAD UPLOAD DOWNLOAD OFF QEF ON Fig 1 Fig 2 A Parameters can only be copied via controllers with the same code The data loading operation into the key UPLOAD is always allowed To facilitate identification of the key to be used CAREL has enclosed a label on which the programming loaded can be described or the machine to which it refers The key can only be used on uC St controllers that have the same Firmware version 2 9 1 UPLOAD copy parameters from controller to key Procedure open the rear door of the key and position the two dip switches at OFF Close the door connect the key to the controller terminal e press the key button and hold checking the signalling se
40. ed NOI Compressor output Parameter H11 allows associating the digital outputs to the unit actuators see table The function of the other digital outputs can be configured from parameter WC SE process chiller 030220416 rel 2 0 12 04 2012 CAREL To change the function of the other outputs operate on the following parameters Par Description IM P21 Alarm relay output logic 0 1 Normally unexcited excited gt Def gt Min Max P25 Digital output 2 0 No function 1 Compressor 2 2 Anti freeze heater support 1 3 Do not select 4 Pump condenser fan 5 6 7 Do not select 8 Condenser fan on off 9 Anti freeze heater support 2 10 Alarm 11 Do not select P26 Digital output 3 See P25 H11 0 1 2 3 4 5 6 01 compressor 1 compressor 1 compressor 1 compressor 1 compressor 1 compressor 1 compressor 1 02 heater 1 heater 1 heater 1 heater 1 heater step 1 03 evaporator pump evaporator pump evaporator pump evaporator pump evaporator pump evaporator pump E 04 compressor 2 or compressor 2 compressor 2 compressor 2 condenser fan compressor 1 or compressor 1 or compressor 1 or compressor 1 partialization partialization partialization partialization 05 alarm alarm alarm alarm alarm alarm 7 8 9 10 11 12 01 compressor 1 compressor 1 compressor 1 compressor 1 compressor 1 compressor 1 O heater step 1 heater 1 step compressor 2
41. ely CAREL in this case through specific agreements can intervene as consultant for the WE Wa E E by a legislation fust pe gt i Se used Moreover the equipment can be returned to the distributor at the end of its positive result of the final start up machine application but in no case can it be held Pai i ii working life when buying new equipment responsible for the positive working of the final equipment apparatus gt i a e this equipment can contain hazardous substances improper use or incorrect The CAREL product is a state of the art product whose operation is specified in the disposal of such may have negative effects on human health and on the technical documentation supplied with the product or can be downloaded even prior environment to purchase from the website www carel com e the symbol crossed out wheeley bin shown on the product or on the packaging Each CAREL product in relation to its advanced technological level needs a phase of and on the instruction sheet indicates that the equipment has been introduced definition configuration programming commissioning so that it can function at its onto the market after 13 August 2005 and that it must be disposed of separately best for the specific application The lack of such phase of study as indicated in the e in the event of illegal disposal of electrical and electronic waste the penalties are manual can cause the final product to malfunc
42. es 3 digits with the display of the decimal point between 99 9 and 99 9 Outside of this range of measurement the value is automatically displayed without the decimal even if internally the unit still operates considering the decimal part In normal operation the value displayed corresponds to the temperature read by probe B1 that is the evaporator water inlet temperature During the programming it shows the codes of the parameters and their value Viewing of the standard display can be changed via parameter b00 Icon Colour a Meaning i With LED on With LED flashing 1 2 Amber Compressor 1 and or 2 on Start up request 3 4 Amber Not used Not used e Amber Atleast 1 compressor on gt Amber Condenser pump fan on Start up request KB Amber Condenser fan active S Ga Amber Not used Not used Aw Amber Heater on A Red Alarm on Ke Amber Not used Not used E Amber Chiller mode Chiller mode request 3 2 Keypad Key Machine state Pressure mode Prg Loading default values Controller power supply with key pressed mute Return to upper level up to exit with saving in EPROM Single press Access to parameters type Direct Sel Selection and display of type Direct parameter value Single press Confirm parameter value variation Prg NT Sel Parameters programming via introduction of password Press for 5 s mute si Value increase Single of continuous press Ve
43. ey SPV 0 0 0 0 OOO 9 e ee eee a al com GO 4 20mA No Ne Signal Output Output GO 0 10Vdc Signal Output N L 230 Vac Key CONVO 10A0 CONVONOFFO module CONVO 10A0 module CONVONOFFO module Terminal Description Terminal Description Terminal Description 1 24 Vac power supply 5 0 10 Vdc output reference 5 Normally open 2 Power supply reference 6 0 10 Vdc output 6 Common 3 PWM command signal 7 4 20 mA output reference 7 Normally closed 4 PWM command signal 8 4 20 mA output 8 Not connected The command signal to terminals 3 and 4 of the CONVO 10VA0 and CONVONOFF modules is optically isolated This allows the power supply G GO can be in common with the controller power supply 2 8 Installation 2 8 1 General warnings A power supply before working on the board during assembly maintenance and replacement Do not install the controllers in environments with the following features e relative humidity over 90 or condensing e strong vibrations or blows e exposure to continuous jets of water e exposure to aggressive and polluting atmospheres e g sulphuric and ammonia gases saline mists fumes to prevent corrosion and or oxidation e high magnetic and or radiofrequency interference avoid installation of the equipment near to transmitting antennas e exposure of the controllers to direct solar radiation and atmospheric agents in general The following recommendations must be respected when connecting the controllers
44. f r25 The differential for re Be activation is fixed at 1 degree The resistances can be activated according to the 3 Proportional output neutral zone i relative set points 4 Timed output with neutral zone r07 Neutral zone differential 2 0 1 50 C F Par Description ls da r08 Output maximum activation time 120 o_ 999 s a l S r09 Output minimum activation time 100 0 999 s 125 Compressors deactivation external 40 40 80 OT r10 Output maximum deactivation time 120 0 999 s temperature r11 Output minimum deactivation time 100 o 99 s 40 function deactivated r12 Compressors deactivation differential 2 Jo 50 C F A aw ab e ak ON Activation time The activation time is not a set parameter but a value between 2 selected CMP parameters i e r08 and r09 As soon as the neutral zone is exited the activation OFF time is practically r08 while at differential end r02 the activation time is r09 Within the differential r02 the activation time varies in a linear mode between r08 and i l aa r09 This means as you move away from the set the intervention times are LG toy reduced in order to make the system response more dynamic r25 A Key r08 CMP Compressor B3 External probe Activation l t Time time f r09 j 6 5 Pumps management Bi PL LE SERE n 6 5 1 Pump operation r01 HO5 establishes the evaporator pump operating mode Deactivation time In the same way as the activation time th
45. fan is activated along with the alarm relay and flashing display Whenever pC SE is in stand by the alarm condition is not detected but just the heaters are managed Reset depends on parameter PO5 1 in the event of automatic reset the unit re starts automatically if the temperature is above the value of A01 A02 or A14 A02 2 in the event of manual reset the unit re starts manually also if the alarm is active After time A03 the unit blocks again if the alarm remains Par Description 5 5 a gt A01 Antifreeze alarm set point 30 A07 A04 C F A07 Anti freeze alarm threshold limit 40 40 176 C F A02 Anti freeze alarm differential 5 0 0 3 122 C F A03 Anti freeze alarm delay time 0 0 150 s from switch on ON ON A1 A1 OFF OFF A01 A02 DT heen g A01 E t ka Key B2 Evaporator output probe S3 EVD driver evaporation probe Ht high temperature warning Signalling is activated if the threshold is exceeded read by B1 which is stated in parameter P16 This is delayed on switch on by the parameter P17 and causes switch on of the alarm relay without deactivation of the outputs and reset is automatic when the conditions that generated it have been removed Par Description 5 e 3 a D P16 High temperature 28 40 176 C F threshold alarm P16 Relative high temperature 16 0 100 C F threshold a
46. h pressure low pressure alarms etc See parameter P42 at the Digital outputs paragraph Par Description gt gt Def Min Max Po8 Digital input 1 O Not used 1 Flow switch alarm with manual reset 2 Flow switch alarm with automatic reset 3 General thermal overload alarm with manual reset 4 General thermal overload alarm with automatic reset 7 Thermal overload alarm with manual reset 6 Thermal overload alarm with automatic reset 7 8 9 10 Do not select 11 General alarm with manual reset 12 General alarm with automatic reset 13 2 Set point 14 22 Do not select 23 0n Off remote HO7 Digital input On Off 0 0 1 0 1 Absent present r13 Minimum set point 40 40 r14 CF r14 Maximum set point 80 r13 176 C F r21 Set point from external contact 12 r13 r14 CIE Pog Digital input 2 0 0 23 z See P08 P13 Configuration of B4 as digital input if 4 1 0 0 23 See P08 P34 Digital input 5 0 0 23 See P08 P37 Digital input 11 0 0 10 0 not connected 1 5 Alarm Ad1 Ad5 6 10 Warning Ad1 Ad5 Digital input 12 0 0 10 RH See P37 P38 P39 Digital input 13 0 0 10 See P37 P40 Digital input 14 0 0 10 See P37 P41 Digital input 15 0 0 See P37 5 5 Digital outputs Regarding the alarm outputs configuration see the Alarms chapter The following digital output cannot be configur
47. h the maximum variation that can be detected by the probes in a machine program cycle practically the maximum variations allowed in the measurement are between 0 1 and 1 5 units bar C or F depending on the probe and the unit of measurement about every second Low WC SE process chiller 030220416 rel 2 0 12 04 2012 CAREL parameter values allow to limit the effect of impulse type interference Recommended value 8 default 5 3 Probe reading b00 allows to set the probe for standard display viewing b01 b04 are the values read by the probes B1 B4 Par Description z 3 boo Display o po ju 0 Probe BI 1 Probe B2 2 Probe B3 3 Probe B4 4 5 6 Do not select 8 Set point without compensation 9 Set point with compensation 10 ID remote 11 Do not select b01 Probe BI reading o o 0 CF b02 Probe B2 reading 0 fo 0 C F b03 Probe B3 reading 0 fo 0 C F b04 Probe B4 reading o o jo C F bar 5 3 1 EVD driver probes reading The following displays appear only if an external EVD driver is connected which transmits them to the controller via tLAN b09 driver evaporation temperature b10 driver evaporation pressure value measured of the evaporation pressure b11 driver superheating superheated gas temperature evaporation saturate temperature b12 saturation temperature value calculated of the evaporation saturate tempera
48. he cables corresponding to the probes digital inputs and serial line Use a transformer dedicated exclusively to the electronic controllers for the power supply Protection against electric shock and maintenance warnings The system made up of the control board MCH200003 and the other optional boards MCH200002 MCH200485 MCHRTF CONVONOFF CONVO 10A EVD000040 constitute a control device to be integrated into class or class Il appliances The class of protection against electric shock depends on how the control device is integrated into the unit built by the manufacturer Disconnect power supply before working on the board during assembly maintenance and replacement The protection against short circuits due to faulty wiring must be guaranteed by the manufacturer of the appliance that the controller will be fitted on Maximum length of the connection cables NTC probes ratiometric connection cables 10m Digital input connection cables 10m Power outputs connection cables 5m Fan drive output connection cables 5m Power supply cables 3m 40 uC SE process chiller 030220416 rel 2 0 12 04 2012 CAREL 41 WC SE process chiller 030220416 rel 2 0 12 04 2012 CAREL 42 WC SE process chiller 030220416 rel 2 0 12 04 2012 CAREL 43 WC SE process chiller 030220416 rel 2 0 12 04 2012 CAREL CAREL INDUSTRIES HQs Via dell Industria 11 35020 Brugine Padova Italy Tel 39 049 97166
49. ifferential control 0 Proportional input 09 Minimum voltage input value 50 0 10 Vdc 100 1 Proportional input neutral zone 10 Maximum voltage input value 450 09 500 Vdc 100 2 Proportional output 3 Proportional output neutral zone 11 Minimum pressure value 0 0 N2 bar 4 Timed output with neutral zone 12 Maximum pressure value 345 M 99 9 bar ri3 Minimum set point 40 40 ri4 C F i 1 Probe B1 calibration 12 12 C F r14 Maximum set point 80 r13 176 C F E S 0 Y 121 Set point from external contact 2 113 na F 14 Probe B2 calibration 0 12 12 GF r45 Relative control maximum set point 30 r46 176 C F 15 Probe B3 calibration 0 12 12 C F r46 Relative control minimum set point 10 40 r45 C F J16 Probe B4 calibration 0 2 12 SF Po8 P09 Digital input selection ID1 ID2 ID5 0 0 23 a bar nd si SC S P34 13 2 Set point 21 Digital filter 4 1 15 22 Input limitation 8 1 15 5 ON The probes B1 B2 have the function of input output evaporator temperature The probe B3 can be configured as condensation temperature probe external or OFF differential control The external probe allows the activation of the external compensation algorithm The probe B4 can have the same functions as B3 and in addition acts as digital input can be configured from par P13 In this case the condenser probe is ratiometric Parameters 09 10 11 12 establish the work range of the ratio
50. ion Level max min U M Def SVP CAREL ModBus Variable type P07 Low pressure alarm with pressure probe 0 disabled 1 enabled o o Visibility DD CO 2 N un E RW P08 Digital input 1 0 Not used 1 Flow switch alarm with manual reset 2 Flow switch alarm with automatic reset 3 General overload alarm with manual reset 4 General overload alarm with automatic reset 5 Thermal overload alarm with manual reset 6 Thermal overload alarm with automatic reset 7 8 9 10 Do not select 11 General alarm with manual reset 12 General alarm with automatic reset 13 2 Set point 14 22 Do not select 23 ON OFF remote 276 P09 Digital input 2 70 277 P13 Configuration of B4 as digital input if 4 1 See P08 0 23 74 281 P15 Low pressure alarm with compressor off 0 1 not active active 76 283 P16 High temperature threshold alarm 40 176 C F 28 38 38 P16 Relative high temperature threshold alarm 0 100 C F 16 82 82 P17 High temperature on switch on alarm delay 0 250 min 30 77 284 P18 High pressure alarm threshold O alarm disabled mm ai Led P33 99 9 bar 20 39 39 P19 Low temperature alarm threshold c 40 176 C F 40 40 P19 Relative low temperature alarm threshold 0 100 C F AR 83
51. ive to the options Direct accessible by pressing Sef for 5 s it allows to read the probes and any data which can be interrogated by anyone without compromising unit operation 3 4 2 Default parameters setting To enable the setting procedure for parameters at default values controller power supply with pressed set the parameter H22 1 Par Description H22 Default parameters setting 0 1 enabled disabled 3 5 Menu structure The figure shows the categories of the parameters that can be selected during programming Sel main menu per 5 EEPROM Prg 1 Prg Sel a save mue mae e per 5 password introduction 2118 BE Parameters SC 8217 F menu parameters F r parameters P alarms a parameters H H machine setting 1 forge dale 1 gt ftwa E Ore Vis A parameters A SCH parameters Y antifreeze Pe w E probes setting DO NOT SELECT E Fa n parameters b E 2 D probes parameters r E A E control E r a parameters F tf fis Parameters modification procedure 1 Press ec and Sel for 5 s 2 The 3 and F symbols appear along with 00 3 Set the password via and and confirm with Sel 4 Select the parameters menu S P via SE and Ko Confirm with Sel 5 Select the parameters category A b c d via SE and Ka Confirm with Sel 6 Select the parameter via SE and 4 Confirm
52. l Edi tLan EVD communication error Automatic OFF C1 2 OFF O 43 R EVD alarm Digital PHI Partialisation warning due to high Display signal pressure Er Terminal communication error Automatic OFF OFF OFF OFF OFF O Display signal Display Ad Dig input 11 warning anua 0 y 86 R OUT 11 state Digital Ad Dig input 11 alarm Manual OFF OFF OFF OFF OFF O y 86 R OUT 11 state Digital Ad2 Dig input 12 warning anua 0 y 87 R OUT 12 state Digital Ad2 Dig input 12 alarm Manual OFF OFF OFF OFF OFF O y 87 R OUT 12 state Digital Ad3 Dig input 13 warning anua 0 y 88 R OUT 13 state Digital Ad3 Dig input 13 alarm Manual OFF OFF OFF OFF OFF O y 88 R OUT 13 state Digital Ad4 Dig input 14 warning anua 0 y 89 R OUT 14 state Digital Ad4 Dig input 14 alarm Manual OFF OFF OFF OFF OFF O y 89 R OUT 14 state Digital Ad5 Dig input 15 warning anua 0 y 90 R OUT 15 state Digital Ad5 Dig input 15 alarm Manual OFF OFF OFF OFF OFF O y 90 R OUT 15 state Digital 5 if the probe is set for compensation the unit will continue to operate in the event of a fault status of the output selected with parameters P42 P46 8 2 Alarms description HP1 high pressure The alarm is detected irrespective of the status of the pump and the compressors The compressors are immediately stopped ignoring the set protection times the alarm relay is activated and the display starts flashing The condensing fan is activ
53. l via relative accessory The version exists for panel assembly MCH200TPOO and for wall assembly MCH200TWOO For further information see the instruction sheet 050001065 1 3 9 Programming key code PSOPZKEY 0 The programming keys PSOPZKEYOO and PSOPZKEYAO for CAREL controllers allow the copying of the complete set of parameters of the uC SE The keys must be connected to the connector AMP 4 pin envisioned in the controllers and can operate with controllers powered or not The main upload download functions envisioned are selected via two micro switches These are e loading the parameters of a controller into the key UPLOAD copying the key onto one or more controllers DOWNLOAD CSE process chiller 030220416 rel 2 0 12 04 2012 2 INSTALLATION 2 1 Type of fixing and dimensions uC SE for process chiller is supplied with connectors of different format to facilitate the electric connections The EVD driver and the I O board must be installed on DIN guide Dimensions mm dima di foratura drilling template montaggio a pannello panel assembly 2 2 Operational layouts Below find the structure of the tLAN network with the VC SE controller for process chiller which can operate alone or with the I O expansion board The EVD driver is an optional NETWORK STRUCTURE a I Key T Evaporation temperature P Evaporation pressure BI Evaporator i
54. larm P17 High temperature on 30 0 250 min switch on alarm delay ON Unit Ht Power ON OFF i B1 P16 P16 2 Key P16 High temperature alarm Ht High temperature alarm threshold B1 Temperature probe t Time Lt low temperature warning This alarm can be reset manually or automatically and this depends on parameter P05 The effect of the Ht Lt alarms on the compressor depends on parameter H24 37 WC SE process chiller 030220416 rel 2 0 12 04 2012 CAREL Par Description Def Min gt Max U P19 Low temperature alarm threshold o L o P19 Relative low temperature alarm 100 C F threshold N o o P20 High low temperature on switch on 0 protection 0 1 disabled enabled H24 High low temperature alarm effect 0 0 3 0 No compressor stop 1 Stop due to high temperature alarm 2 Stop due to low temperature alarm 3 Stop due to high or low temperature alarm A ON ALt OFF B1 P19 t Key P19 Low temperature at switch on alarm set Alt Low temperature on switch on warning B1 Temperature probe t Time AHt high temperature on plant switch on warning The warning does not activate the relay and displays the AHt message ALt low temperature on plant switch on warning The warning does not activate the relay and displays the Alt message ELS EHS warning low alarm high power supply voltage warning If th
55. ltage regulators MCHRTF use the phase cut principle to regulate uCSE VO board MCH2000060 the rms voltage leaving the load on the basis of the PWM command signal phase RS485 optional board for pC SE _ MCH2004850 A typical application is that of regulating the speed of the condenser single phase Programming key for LC SE with 230 V power supply unit PSOPZKEYAO fans on the basis of the pressure or temperature measured on the heat exchanger PWM On Off converter board CONVONOFFO itself PWM 0 10 V converter board CONVO 10A0 Temperature probes depending on the length NTC WPOO 015 1 5 m 030 3 m 060 6 m Pressure probes for condenser control SPK R depending on the pressure 13 150 PSI 23 75 PSI 33 500 PSI Connectors kit for code MCH2000051 multi pack 20 pieces MCH2CONOO1 Minifit connectors kit cables measuring 1 m for code MCH2 MCHSMLCABO Minifit connectors kit cables measuring 2 m for code MCH2 MCHSMLCAB2 Minifit connectors kit cables measuring 3 m for code MCH2 MCHSMLCAB3 Remote terminal for MCH2000050 for panel assembly CH200TPOO Remote terminal for MCH2000050 for wall assembly MCH200TW00 Serial connection kit for remote terminal supervisor CH200TSVO Boards with PWM output for fan speed control 44 230 Vac CHRTFO4CO 8A 230 Vac CHRTFO8CO 12A 230 Vac CHRTF12C0 10A 230 Vac 1 piece CHRTF10CO 10A 230 Vac 10 pieces MCHRTF10C1 uC SE process chiller 030220416 rel 2 0 12 04 2012 CAREL 1 3 4 Fan speed manageme
56. m inertia is reduced The logic has the objective of maintaining the temperature inside the neutral zone If outside the compressors are activated with WC SE process chiller 030220416 rel 2 0 12 04 2012 CAREL the logic described below to return to neutral area not too quickly with integral or derivative action or too slowly with fixed time logic 2 logic times are considered activation time deactivation time Activation deactivation time 6 4 9 Outputs activation delay par c06 On switch on intended as physical power supply of the controller the activation of all outputs is delayed by the time set to distribute the absorptions and protect the compressor from repeated switch ons in the event of frequent power cuts This means that after this delay period the controller will start to manage the outputs on the basis of the protections and the normal operations functions Par KEE s 2 ER a gt Par Description 5 le ls ls c06 Outputs activation delay lo Jo 99 Ts O Le gt r01 Set point 12 ri3 114 C F vw yo 102 Differential 3 lor 50 GFF 6 4 10 Compressors deactivation external temperature r06 Type of regulation compressors use o fo 4 a par r25 sees G RE ak To prevent energy yields below electric heating the compressors are deactivated if GE i lie the external temperature drops below the value o
57. metric probe ON Example Input 0 4 5 Vdc on B4 09 0 10 4 5 V dc 11 5 12 10 16 0 OFF i i Display f i A visualization r02 i B1 B2 16 0 10 r45 i r46 r01 B3 r01 B4 7 5 Key 5 rol Set point i 5 102 Differential 0 4 5V B4 B1 B2 Evaporator input output probe l i B3 B4 Differential control probe Therefore 5 will be displayed in correspondence with 0 V and 10 will be For the explanation of the functions relative to the compressors see par 6 4 7 5 2 Probes analogue inputs The probe parameters allow to set the type and function of the probe set the offset for the correction of the reading calibration set the maximum minimum voltage input activate a filter to stabilize the measurement 17 displayed in correspondence with 4 5 V These are also the values on the basis of which control takes place The parameters 13 16 allow to correct the measurement shown on the display adding an offset of the measurement read by the probe the value assigned to this parameter is added to the probe if positive or removed if negative The parameter 21 allows to establish the coefficient used in digital filtering of the value measured High values of this parameter allow to eliminate any continuous interference at the analogue inputs but reduces measurement immediacy The value recommended is equal to 4 default The parameter 22 allows to establis
58. mpressor with the least operating hours is always started first again observing the safety times This does not however consider FIFO logic and does not optimise the starts and stops r05 3 do not select Par lid 5 ls 3 a A 2 r06 Type of regulation compressors use 0 Jo 4 0 Proportional Input 1 Proportional Input neutral zone 2 Proportional output 3 Proportional Output neutral zone 4 Timed output with neutral zone r07 Neutral zone differential 2 i 50 CF r06 0 proportional inpu cur cmP2 CMPI ON 7 FI ON jin OFF en OFF ir ae BI l r02 i B1 r01 ro1 r06 1 proportional input neutral zone SME Cup CMPI a ON ON k OFF y OFF e Bl L r02 p o BI r01 r01 CMP2 CHE ON OFF 102 B2 r01 CMPI ON OFF r02 r07 B2 r01 gt Def gt Min Max r05 Compressors rotation 0 Disabled 1 FIFO type 2 Hours balancing 3 Do not select Note the FIFO or timed rotation logic is not valid in the event of compressor partialised output Key r01 Set point t Time r02 Differential BI Evaporator input probe CMP1 2 Compressor 1 2 B2 Evaporator output probe 107 Neutral zone differential 6 4 8 Timed output with neutral zone r06 4 This type of regulation originates from the requirement to keep the output temperature as constant as possible in spite of the fact that the load is variable or the syste
59. n the display 38 LO1 LOP warning minimum operational pressure The warning appears on the display HA1 evaporator high temperature warning The warning appears on the display EP1 EEPROM driver error The circuit is inhibited for safety reasons as there is no driver status ES1 probes driver error The circuit is inhibited for safety reasons as there is no driver status EU1 Valve open error EVD 1 start in system start up the driver detects the valve is still open the alarm has passed to yC SE which switches the compressors and fans off Eb1 EVD battery alarm The EVD battery alarm inhibits compressor start up to prevent the risk of liquid return from the circuit and relative fans 8 3 Alarm digital inputs outputs Alarm digital inputs The following digital inputs cannot be configured see wiring diagram ID3 High pressure alarm input ID4 Low pressure alarm input The configuration of the digital inputs as for flow switch pump thermal overload general alarms with manual automatic reset can be performed from parameter If the device connected to the digital input intervenes the alarm occurs with that displayed described in the alarms table Alarm digital outputs The following digital output cannot be configured NOI Compressor output uC SE the function of digital outputs as alarm can be configured from par
60. ng probe Connector specifications The error in the converted value may vary according to the settings of parameters 9 10 11 12 The connectors may be purchased using CAREL code MCHCONO or from the Molex manufacturer Connector Molex code Number of ways 39 01 2120 12 39 01 2140 14 Max number of insertion removal cycles for the connectors 25 cycles Code of the contacts according to the cross section of the connection cables to the 12 and 14 pin connectors use the special Molex tool code 69008 0724 for crimping Contact Molex code Cable section allowed 39 00 0077 AWG16 1 308 mm2 39 00 0038 AWG18 24 0 823 0 205 mm2 39 00 0046 AWG22 28 0 324 0 081 mm2 MCHSMLC pre wired kits are also available A WARNINGS If one transformer is used to supply both the VC SE and the accessories all the GO terminals on the various controllers or the various boards must be connected to the same terminal on the secondary and all the G terminals to the other terminal on the secondary so as to avoid damaging the instrument For use in residential environments use shielded cable two wires shield earthed at both ends AWG 20 22 for the tLAN connections EN 55014 1 Avoid short circuits between V and GND so as not to damage the instrument Perform all the maintenance and installation operations when the unit is not connected to the power supply Separate the power cables relay outputs from t
61. nput probe B2 Evaporator output probe B3 B4 Condenser probe Condenser E Evaporator R Heater FL Flow switch CMP1 2 Compressor 1 2 i EV Expansion valve CMP1 i EEV Electronic expansion valve F Condenser fan EP Evaporator pump cP Condenser pump CMP2 AIR WATER CHILLER WATER WATER CHILLER me uC SE process chiller 030220416 rel 2 0 12 04 2012 2 3 pC SE wiring diagram po Key SPV pressure probe outlet probe SEH D S e 3 2 2 3 E digital imput al m Line 2 4 1 0 board wiring diagram NON UTILIZZARE DO NOT USE 2 5 Optional connections The programming key input can be used successively for the connection to the supervision network via RS485 converter PSOPZKEY programming key an A L e CAREL Supervisor A PVPRO Modbus RTU mee seria MCH2 T terminal MCH2 TSV Supervisor convertiter No PVPRO A If the serial line is connected in supervision mode do not connect to earth the secondary terminal of the supply transformer of the control Key G 24 Vac power supply GO Power supply reference B1 B4 Analogue inputs 1 4 1D1 1D5 Digital inputs 1 5 Chez Common digital outputs 1 5 NO1 NO5 Digital outputs 1 5 normally open contact VI Analogue output 1 Key SPV Connector for key supervisor V Ratiometric pressure probe power supply Tx Rx Ground HAN pon Notes the digital output 1
62. nt board code FCS3 The FCS range appliances are electronic three phase voltage regulators that use the phase cut principle to regulate the output voltage supplied to the load depending on the command signal applied to the input They can drive asynchronous electric motors connected for example to axial fans pumps mixers stirrers etc 1 3 5 CONVONOFFO module Converts a PWM signal for relay in solid state into ON OFF output obtained with a relay The relay boards with CONVONOFFO code allow the ON OFF management of the condenser fans The command relay has a changeable power of 10 A at 250 Vac into ACT 1 3 HP inductive 1 3 6 Analogue output module code CONVO 10A0 Converts a PWM signal for relay in solid state into an output 0 10 Vdc or 4 20 mA The three phase regulators of the FCS range can be connected to the controller without the use of this module F TIT Fig 1 e 1 3 7 RS485 Converter code MCH2004850 Allows the controller to be connected to a supervision network with RS485 standard serial line To do this it is used the input normally engaged for the programming key with the double function of key input serial communication pott 1 3 8 Remote terminal code MCH200T 00 Allows the complete configuration of the remote controller The use of the keys and the indications on the display faithfully reproduce the pC2SE user interface It is also possible to connect the PlantVisor to the remote control termina
63. ntervention depends on the setting of the threshold and activation delay 3 HP1 manual LP1 A1 Lt automatic parameters The Eeprom alarm always generates controller block The alarms can 4 HP1 LP1 manual A1 Lt automatic be always with automatic reset once the cause has been eliminated or with 5 HP1 LP1 3 times in one hour manual manual automatic reset depending on a parameter PO5 PO8 The controller A1 Lt automatic digital outputs NO2 NO5 can be configured as alarm relays parameters P25 6 HP1 LP1 3 times in one hour manual P28 depending on the alarm that intervenes the output is excited unexcited on A1 Lt manual the basis of parameter P21 P21 Alarm relay output logic 0 0 1 Normally unexcited excited On the basis of the following table the alarm can cause the output to switch over ON switch off OFF or the output maintains the previous status Instead the Example probe B1 alarm I O expansion board digital outputs can switch over individually on the basis of a single alarm parameters P42 P46 ALARMS TABLE Alarm Alarm type Reset Compressor Pump Fan Heater Exp Output I O exp Superv Superv variab Variable type display valve alarm board variable description YO Communication error with MO Automatic OFF OFF OFF OFF OFF OFF Display signal Digital board HP1 High pressure Depends on P05 OFF C1 2 ON 60 0 41 R Circuit 1 alarm Digital LP1 Low pressure Depends on PO5 OFF C1 2 OFF 1
64. oller display and also to a switch over 1 1 1 Main functions on the selected digital output Briefly control of compressor condenser fan water pump for evaporator 1 3 2 Driver for electronic expansion valve and or condenser anti freeze heaters alarm signal devices code EVD0000400 tLAN regulation of the set point on evaporator input probe B1 evaporator output probe B2 or differential B1 B2 Furie d i condenser fan pump speed control complete alarms management elimination of storage vessel in event of low load serial connection to the EVD driver for control of the electronic expansion valve serial connection to the I O expansion board for 1 connection of devices thermostats pressure switches to digital inputs of the I O board 2 display of further warnings alarms on the controller display 3 selection of the digital outputs to switch over The driver connected in tLAN network to the controller allows to control the electronic expansion valve in the cooling circuits The condensation pressure probe must be connected to the controller which will send it to the driver See the manual code 030220227 1 2 Codes Description Code 1 3 3 Fan speed management board uC SE 1 circuit 2 compressors panel assembly MCH2000050 code MCHRTF pCSE 1 circuit 2 compressors panel assembly 20 pieces MCH2000051 The single phase vo
65. operation it must be prevented hat a compressor of the same circuit works over the time set c09 if the other remains off This to prevent the oil in common from migrating over that allowed owards the active compressor thus preventing that the next start up of the compressor remaining unused FIFO logic causes serious problems due to poor ubrication Therefore the compressor 1 or 2 if it must operate continuously after ime c09 will switch off leaving the task to the other which was off This function considers the compressor protections A c09 value lower than a c03 value is ignored and the compressors exchange after time c03 Par Description 3 Def Min S Max c09 Maximum operating time of compressor 0 0 min in tandem O function disabled 6 4 5 Compressor partialization in high pressure mode par P04 The parameter enables or disables partialisation of the circuit in high pressure mode The function is valid if the unit is provided with tandem or partialized compressors and pressure transducers In the event of a high pressure alarm i e values over P18 with hysteresis of 0 5 bar the controller disables one power step of the circuit of interest and waits for 10 seconds When this interval has expired if the alarm is still active the unit is stopped otherwise it continues to operate in partialised mode In this condition the indication PH1 is displayed This condition remains active while the press
66. or sales loss of data and information cost of replacement goods or services damage to objects or persons work interruptions or possible direct indirect accidental patrimonial coverage punitive special or consequential damage in any way caused be they contractual out of contract or due to negligence or other responsibility originating from the installation use or inability of use of the product even if CAREL or its branch offices affiliates have been warned of the possibility of damage Index 1 9 EN 1 1 General description 12 CODES era 13 o PP EE eat een SA 2 1 Type of fixing and dimensions 22 A ie LL nona 25 TESSILI RAR RE an a ay a E a tetas 2 4 I O board wiring diagram o 2 5 Optional connedionsi ar I GG lena ira 2 6 ISIS e PR Re O LGS SERI IO GRIGI e dc oa eet pk 27 Connection with CONVO 10VA0 and CONVONOFFO modules wll 2 8 A A RD aad ee wll 2 9 Programming key copy of the set up A te sn i i e e li 3 1 A eagle ilari ii iatale 3 2 Keyboard ma 33 Example timer reset 3 4 E 3 5 Menu structure mi COMMISSIONINE sila e do ob a 4 1 O adds 42 Configuration i 4 3 Minimum and maximum fan speed calculation ei FUNGUONS rali 17 5 1 Set DOE eet soi 5 2 Probes analogue inputs HEI 5 3 Probe reading 18 54 O PARAN ANY A 18 5 6 A i tov Ze a 19 5 7 Compensation n 5 8 A o A A Gontro E 6 1 Anti freeze si 6 3 Antifreeze automatic e
67. pe of fan the controller PWM output Y1 always active requests the presence of optional boards 1 CONVONOFFO for the conversion of the PWM output into ON OFF output 2 CONVO 10A0 for the conversion of the PWM output into 0 10 Vdc or 4 20 mA output 3 optional phase cut boards MCHRTF FCS supplied with Triac In this case it is necessary to specify the voltages supplied by the Triac to the fan electric motor corresponding to minimum and maximum speed The value set does not correspond to the rms voltage in Volts applied but to a calculation unit inside the uC SE See the Commissioning chap for the calculation of the fan minimum and maximum speeds F02 sets the operating mode of the condensation fan F02 0 always on at maximum speed independently from the compressors The fan is only off if the unit passes to stand by F02 1 operation in parallel to compressor The fan is on at maximum speed when the compressor is active FO2 2 on when the corresponding compressor is active with ON OFF control based on the temperature pressure settings for the minimum and maximum speed 24 parameters FO5 F06 When the compressors switch off the fan deactivates irrespective of the condensing temperature pressure F02 3 on when the relative compressor is active with speed control When the compressor switches off the fan also switches off irrespective of the condensing temperature pressure If the condenser probe is the NTC
68. put power 3 W Fuse mandatory in series with LC SE power supply 315 mAT 12 way connector Max current 2 A for every relay output extendible to 3 A for individual output Relay Max current at 250 Vac EN60730 Resistive 3 A Inductive 2 A cos 0 4 60000 cycles UL Resistive 3 A 1 FLA 6 LRA cos 0 4 30000 cycles For further information consult the specifications stated in figure Minimum interval between the communications every relay 12 s it is the task of the machine manufacturer in which the device is incorporated to guarantee the correct configuration in order to respond to this specification Type of micro switch interruption action of the relays 1 C Isolation between group A relays operational Isolation between group A relays and the very low voltage reinforced Isolation between group A relays and the signalling relay main Isolation between the signalling relay and the very low voltage reinforced Isolation between the relays and the front panel reinforced Digital Inputs Electric standard free contact Closing current referring to mass 5 mA Maximum closing resistance 50 W Analogue inputs CAREL NTC temperature probes 10 kW at 25 C Response time depends on the component used typical value 90 s B4 NTC temp probes 10 kW at 25 C or ratiom pressure probes CAREL 0 5 V SPK 00 R Fan output Control signal for CAREL modules
69. quence of the LED from red it turns green after a few seconds if the signalling sequence is that indicated above the copying operation has been successful green LED on the button can be released and the key disconnected from the instrument In the event of different signals if the green LED does not switch on or if flashing there is a problem See the following table for the meanings of the signals 2 92 DOWNLOAD copy the parameters from the key to controller Procedure e open the rear door of the key and position dip switch n 1 at OFF and dip switch n 2 at ON Close the door connect the key to the controller e press the key button and hold checking the signalling sequence of the LED from red it turns green after a few seconds e if the signalling sequence is that indicated above the copying operation has been successful green LED on the button can be released After a few seconds the LED switches off and the key can be disconnected from the instrument e in the event of different signals if the green LED does not switch on or if flashing there is a problem See the relative table for the meanings of the signals The operation is completed in 10 seconds If the completed signal with green LED on is not given within this time period it is good practice to attempt the operation again releasing and pressing the button again In the event of flashing see the relative table for the meaning of the signal
70. r number of compressors and partialisation logic enabling of compressor partialisation in high pressure mode enabling hot gas and pump down by pass function the configuration of the tLAN network devices connected type of protocol and serial address the setting of the device counter the keyboard block the modification of the alarm relay state 4 2 1 Machine parameters par H01 H04 HO5 H12 H25 H26 The controller allows to manage two types of chiller air water and water water Moreover the number of compressors per circuit can be 1 or 2 with alternating operation tandem or compressor 1 with partialisation valve powered according to the logic of parameter H12 Rotation is not managed in this case see the Regulation chap The hot gas by pass in temperature mode function allows to increase the temperature of the output water from the evaporator See the regulation chapter Par Description U M Def Min Max H01 Chiller type 2 Air water 4 Water water Number of compressors per circuit 0 1 compressor on circuit 1 1 2 compressors tandem on circuit 1 2 Do not select 3 Do not select 4 1 compressor and a partialisation on circuit 1 5 Do not select H05 Evaporator pump 1 0 3 0 Absent 1 Always on 2 On at regulator request 3 On at regulator request and timed H12 Compressor partialisation valve 11 0 3 0 Normally excited 1 Normally unexcited 2 3 Do not select H04
71. r off and back on again after programming 6 4 2 c03 c01 establishes the minimum activation time of the output independently from request c02 establishes the minimum switch off time if the output independently from request c03 establishes the minimum time between two successive switch ons of the same output Protection for the output at relay par c01 c02 Par Description 5 Le 8 a gt c01 Compressor minimum switch on time 60 0 999 S c02 Compressor minimum switch off time 60 0 999 S c03 Delays between switch ons of the same 360 0 999 S compressor 6 4 3 Protection for outputs with different relays par c04 c05 c04 establishes the minimum time that must pass between successive switch ons of 2 compressors By delaying the connection line overloads are prevented due to close or simultaneous peaks c05 establishes the minimum time that must pass between the switch off of the two compressors Par Description 5 L 3 _ a gt c04 Switch on delay between 2 compressors 10 0 999 s c05 Switch off delay between 2 compressors 0 0 999 S c03 l c01 i c02 ON i i Cup OFF i on CMP2 OFF z i op Key ka t Time CMP1 2 Compressor 1 2 WC SE process chiller 030220416 rel 2 0 12 04 2012 CAREL 6 4 4 Maximum operating time of compressor in tandem par c09 In the case of 2 tandem compressors alternate
72. rs for the compressor exceeds the maintenance threshold see par c14 the maintenance request signal is activated EPr EPb EEPROM error It is a parameters memorisation problem in the non volatile machine memory EEPROM 1C SE continues to make the regulations with the data present in the volatile memory RAM if it is EPr where there is a physical copy of all data The configuration is lost if a power cut occurs The alarm relay is not activated If the EPb error occurs on switch on the controller remains blocked EL1 zero crossing error warning If the controller detects errors in the power supply voltage it is possible to lose control of fan speed In this case the display will show the warning the fans will be ordered at maximum speed only if at leas one compressor is active Reset will be automatic so as not to penalise uni operation The function is enabled only with F02 3 Al anti freeze alarm A07 establishes the minimum limit that can be used to se he anti freeze alarm set point A01 The alarm is detected via the evaporator output water probe B2 or if there is an electronic expansion valve driver EVD connected in tLAN on the basis of the evaporation temperature communicated by he driver itself The temperature of the water leaving the evaporator is compared with the alarm threshold A01 while the evaporation temperature is compared with he threshold A14 The compressors are switched off immediately the condenser
73. rther so as to avoid damaging the motor e restore the correct condensation set point The operation is now completed LOAD LINE 07 0 0 o o o OO 16 uC SE process chiller 030220416 rel 2 0 12 04 2012 CAREL 5 FUNCTIONS Par Description 5 3 a gt 5 1 Set point 01 Probe BI 1 0 1 5 The control algorithm is the ON OFF type according to the figure The set point r01 0 1 Absent present can be set from a minimum value to a maximum value par r13 r14 The probe 02 Probe B2 1 0 1 selected for the control depends on parameter r06 once enabled with the 0 1 Absent present parameters 01 and 02 If r06 0 1 the probe is BI If r06 2 3 4 the control 03 Probe B3 0 0 3 probe is B2 A second set point value can be set from external digital input par 0 Absent r21 Instead setting B3 or B4 as differential control probe the relative set point 1 Condenser NTC control is activated in which the set point becomes r01 plus the value read by 2 External NTC probe B3 or B4 3 Differential control 04 Probe B4 0 0 4 Par Description e x 0 Absent a gt 1 Digital input r01 Set point 12 r13 r14 C F 2 External NTC r02 Differential 3 1 50 C F 3 Ratiometric Condenser r06 Type of regulation compressors use 0 0 4 4 D
74. se the internal circuits and mechanisms could suffer irreparable damage e Not to use corrosive chemical products aggressive solvents or detergents to clean he device e Not to use the product in application environments different than those specified in he technical manual All the above reported suggestions are also valid for the control serial boards programming keys or however for any other accessory in the CAREL product portfolio CAREL adopts a continuous development policy Therefore CAREL reserves the right to carry out modifications and improvements on any product described in this document without prior notice ATTENTION separate the probe cables and the digital input cables as much as possible from the inductive load and power cables to prevent possible electro magnetic interference Never introduce power cables and signal cables including those of electric control board into the same cable troughs The technical data in the manual can undergo modifications without forewarning NO POWER amp SIGNAL CABLES TOGETHER The liability of CAREL in relation to its own product is governed by CAREL s general READ CAREFULLY IN THE TEXT contract conditions edited on the www carel com and or by specific agreements with clients in particular within the criteria consented by the applicable norm in no way will CAREL its employees or its branch offices affiliates be responsible for possible lack of earnings
75. several controllers that are part of different electric control boards al 230 Vac 230 Vac 230 Vac 24 Vac 24 vac 24 Vac A Attention e If one transformer is used to supply both the pC SE and the accessories all the GO terminals on the various controllers or the various boards must be connected to the same terminal on the secondary and all the G terminals to the other terminal on the secondary so as to avoid damaging the controller e for use in residential environments use shielded cable two wires shield earthed at both ends AWG 20 22 for the tLAN connections EN 55014 1 e avoid short circuits between V and GND so as not to damage the controller e perform all the maintenance and installation operations when the unit is not connected to the power supply separate the power cables relay outputs from the cables corresponding to the probes digital inputs and serial line e use a transformer dedicated exclusively to the electronic controllers for the power supply 2 8 3 Protection against electric shock and maintenance warnings The system made up of the control board MCH200005 and the other optional boards MCH2000060 MCH2004850 MCHRTF CONVONOFFO CONVO 10A0 EVD000040 constitutes a control device to be integrated into class or class Il appliances The class of protection against electric shock depends on how the control device is integrated into the unit built by the manufacturer The prot
76. t with neutral zone r07 Neutral zone differential F 0 1 50 CF 20 z 45 45 RW A r08 Output maximum activation time F 0 999 s 120 5 80 287 RW r09 Output minimum activation time F 0 999 s 100 7 81 288 RW r10 Output maximum deactivation time F 0 999 s 120 p 82 289 RW rl Output minimum deactivation time F 0 999 s 100 a 83 290 RW r12 Compressors deactivation differential F 0 50 F 20 S 46 46 RW A r13 Minimum set point U 40 ri4 C F 40 y 47 47 RW A r14 Maximum set point U r13 176 C F 30 z 48 48 RW A r17 Compensation constant U 5 0 5 0 5 0 3 51 51 RW A 0 no compensation r18 Maximum distance from the set point U 0 3 20 C F 03 52 52 RW A 33 uC SE process chiller 030220416 rel 2 0 12 04 2012 CAREL w S d e 3 E ZS 3 2 _ 3 E pas 5 x E WS amp E E 5 a S a 2 r19 Start compensation temperature U 40 176 C F 30 A 53 53 RW A r21 Set point from external contact D r13 r14 DOE 12 z 55 55 RW A 25 Compressors deactivation external temperature D 40 80 C F 40 3 65 65 R W 40 function deactivated 127 Accumulation vessel suppression low load F 0 3 0 88 295 RW 1 0 Disabled 1 Enabled 2 3 Do not select r28 Min compressor running time for low load F 0 999 S 60 l 89 296 RW 129 Low load differential F 1 0 50 F 30 S 58 58 RW A 130 Do not select F 1 0
77. th compressor active only after 2 s from activation P37 Digital input 11 F 0 10 0 z 138 345 R W 0 Not connected 1 5 Alarm Ad1 Ad5 6 10 Warning Ad1 Ad5 P38 Digital input 12 F 0 10 E 0 3 39 346 RW II See P37 P39 Digital input 13 F 0 10 z 0 3 40 347 RW 1 See P37 P40 Digital input 14 F 0 10 0 A 348 RW I See P37 P41 Digital input 15 F 0 10 0 42 349 RW fi See P37 P42 Digital output 11 F 0 18 0 2 43 350 R W 0 not used 12 Flow switch alarm 1 5 Ad1 Ad5 13 Low temperature alarm 6 High pressure alarm 14 High temperature alarm 7 Do not select 15 Low temperature alarm at start up 8 Low pressure alarm 16 High temperature alarm at start up 9 Do not select 17 Pump thermal overload 10 Circuit thermal overload 18 Do not select 11 Do not select P43 Digital output 12 F 0 18 gt 0 44 351 R W P44 Digital output 13 F 0 18 0 x 45 352 R W P45 Digital output 14 F 0 18 0 o 46 353 R W P46 Digital output 15 F 0 18 0 47 354 R W Regulation setting parameters r r01 Set point D WE r14 C F 12 0 E 41 41 RW r02 Differential D 0 1 50 F 30 i 42 42 R W r05 Compressors rotation F 0 3 0 A 78 285 Rw 1 0 Disabled 1 FIFO type 2 Hours balancing 3 Do not select r06 Type of regulation compressors use F 0 4 0 E 79 286 Rw 1 0 Proportional Input 1 Proportional Input neutral zone 2 Proportional output 3 Proportional Output neutral zone 4 Timed outpu
78. tion of which CAREL cannot be held specified by local waste disposal legislation responsible GES fied personnel can install or carry out technical assistance interventions on the Materials warranty 2 years from the date of production excluding consumables The final client must use the product only in the manner described in the documentation related to the product itself Type approval the quality and safety of CAREL S P A products are guaranteed by the design system and ISO 9001 certified production Without excluding proper compliance with further warnings present in the manual it is stressed that in any case it is necessary for each CAREL product e Not allow the electronic circuits getting wet Rain humidity and all types of liquids or condensate contain corrosive mineral substances that can damage the electrical circuits In any case the product should be used and stored in environments that respect the temperature and humidity limits specified in the manual e Not to install the device in a particularly hot environments Temperatures that are 00 high can shorten the duration of the electronic devices damaging them and distorting or melting the parts in plastic In any case the product should be used and stored in environments that respect the temperature and humidity limits specified in he manual e Not to try to open the device in any way different than that indicated in the manual e Not to drop hit or shake the device becau
79. ture b13 valve position as 90 b19 condenser output temperature probe b09 Driver evaporation temperature 0 lo o C F b10 Driver evaporation pressure 0 lo o bar b11 Driver overheating o 0 o OT b12 Driver saturation temperature 0 lo o C F b13 Driver valve position 0 0 100 b19 Condenser output temperature probe 0 0 0 C F 5 4 Digital inputs The inputs ID1 ID5 refer to the CSE controller The inputs ID11 ID15 refer to the I O expansion board The analogue input B4 can be configured as digital input par P13 The following digital inputs cannot be configured see wiring diagram ID3 High pressure alarm input ID4 Low pressure alarm input Regarding the alarm inputs see the Alarms chapter PO8 as well as the flow switch pump thermal overload general alarms with manual or automatic reset it is possible to configure the digital input for the set point change from ro1 to 121 limited by parameters r13 and r14 minimum and maximum set point On Offremote Enabling is given by parameter H07 18 P37 the digital inputs 11 15 of the I O expansion board can be configured as warning input Ad1 Ad5 causes only Ad1 Ad5 shown on display alarm input Ad1 Ad5 causes the display of Ad1 Ad5 and unit switch off The warnings alarms Adi Ad5 can be used to switch over the outputs NO11 NO15 of the I O expansion board along with the hig
80. ure does not drop below the value corresponding to the maximum condenser fan speed The unit re enables the power step below this limit Par Description Def U M 6 4 7 Regulation type compressor use r06 r07 r07 neutral zone The neutral zone moves the proportional band by r07 from the set point and is valid in all configurations if enabled by parameter r06 r06 compressors regulation type This parameter allows to set the logic for maintenance of the set point Par Description Min Max PO4 Enabling of compressor partialisation in 0 high pressure mode O Deactivated 1 Activated 2 Do not select 3 Do not select 6 4 6 Compressors rotation par r05 The rotation of the compressors allows the operating hours to be balanced either statistically using FIFO logic or absolutely by counting the effective operating hours Settings r05 0 rotation disabled The customer can use compressors with different power ratings according to the desired logic or manage the partialisation activating deactivating them in proportional mode r05 1 rotation with FIFO logic for switch on off the first to be switched on will be the first to be switched off and vice versa In this way the operating hours will be optimised along with the compressor peaks even if the compressor times will always be respected r05 2 rotation with hours control The compressors will have the same operating hours as the co
81. with Sel 7 Modify the parameter value with sen and Ka 8 After modification press Sel to confirm or ec to annul the modification 9 Press e to return to the previous menu 10 To save the modifications press ru several time until going back to the main menu Notes 1 the parameters modified without confirmation via the Sel key go back to the previous value 2 if no operations are performed on the keyboard for 60 seconds the controller exits the parameter modification menu by timeout and the changes are cancelled 3 to modify the level of a parameter enter the levels menu L P and assign the desired level to each parameter y ka D parameters level x mio parameters c e compressor DO NOT SELECT level value F1 parameter F1 parameter Fn 14 WC SE process chiller 030220416 rel 2 0 12 04 2012 CAREL 4 COMMISSIONING 4 1 Firmware version On controller switch on the firmware version of the same can be verified along with that of the EVD driver and I O expansion board via the parameters H99 H97 and H95 Par Description 5 3 OD LS gt H99 Software version ci 0 99 9 H97 Driver software version 0 999 H95 Expansion board I O software version 0 99 9 4 2 Configuration The configuration parameters must be set during the commissioning of the controller and concern the type of chiller air water or water wate

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