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5

ENGLISH

μC

2

SE  -  +030220426 -  rel. 2.1 - 09.06.2010

Content

ONTENT

1.  INTRODUCTION 

7

1.1  General description ................................................................................................................................7

1.2  User interface .............................................................................................................................................7

2.  CONNECTIONS 

9

2.1  General diagram .......................................................................................................................................9

2.2  Network layout ..........................................................................................................................................9

3.  APPLICATIONS 

10

3.1  Air/air unit .....................................................................................................................................................10

3.2  AIR/AIR heat pump .................................................................................................................................11

3.3  AIR/WATER chiller .....................................................................................................................................13

3.4  AIR/WATER heat pump .........................................................................................................................14

3.5  WATER/WATER chiller .............................................................................................................................16

3.6  WATER/WATER heat pump with reversal on gas circuit ...................................................17

3.7  WATER/WATER heat pump with reversal on water circuit ..............................................19

3.8  Air-cooled condensing unit without reverse cycle ............................................................20

3.9  Reverse-cycle air-cooled condensing unit ..............................................................................21

3.10  Water-cooled condensing unit without reverse cycle...................................................22

3.11  Reverse-cycle water-cooled condensing unit ....................................................................23

3.12  Roof Top units   .......................................................................................................................................24

4.  PARAMETERS 

25

4.1  General parameters ................................................................................................................................25

4.2  Menu structure ..........................................................................................................................................25

4.3  Parameter tables .......................................................................................................................................26

5.  DESCRIPTION OF THE PARAMETERS 

35

6.  TABLE OF ALARMS 

58

7.  CONNECTIONS, ACCESSORIES AND OPTIONS 

62

7.1 Connection diagram ...............................................................................................................................62

7.2 Expansion card ............................................................................................................................................63

7.3 EVD4*: Electronic expansion valve driver ...................................................................................63

7.4 Fan speed control board (code MCHRTF*) ...............................................................................64

7.5 Fan ON/OFF control board (code CONVONOFF0)................................................................64

7.6  PWM to 0 to 10Vdc (or 4 to 20 mA)conversion board for fans (code CONV0/10A0) 
64

7.7 Minimum and maximum fan speed calculation ...................................................................64

7.8 Programming key (code PSOPZKEYA0) .......................................................................................65

7.9 RS485 serial options .................................................................................................................................66

7.10 Terminals ......................................................................................................................................................66

8.  DIMENSIONS 

67

9.  CODES 

69

10.  TECHNICAL SPECIFICATIONS AND SOFTWARE UPDATES 

69

10.1  Technical specifi cations .....................................................................................................................69

10.2  Software updates ..................................................................................................................................70

Содержание uC2SE

Страница 1: ...C2 SE electronic control User manual...

Страница 2: ......

Страница 3: ...should be used and stored in envi ronments that respect the range of temperature and humidity specified in the manual Do not try to open the device in any way different than that indicated in the man...

Страница 4: ...4 E N G L I S H C2 SE 030220426 rel 2 1 09 06 2010...

Страница 5: ...ycle 22 3 11 Reverse cycle water cooled condensing unit 23 3 12 Roof Top units 24 4 PARAMETERS 25 4 1 General parameters 25 4 2 Menu structure 25 4 3 Parameter tables 26 5 DESCRIPTION OF THE PARAMETER...

Страница 6: ...6 E N G L I S H C2 SE 030220426 rel 2 1 09 06 2010...

Страница 7: ...face 1 2 1 Display The display features 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 decim...

Страница 8: ...and vice versa press for 5 s Provides immediate access to the condenser and evaporator pressure and temperature probes and DTE DTC1 2 press once J K Manual alarm reset press for 5 s Immediately reset...

Страница 9: ...ion valve MCH200002 I O expansion board for 2 SE EVD 40 driver for electronic expansion valve Optional board CONVONOFF PWM digital converter CONV0 10A0 PWM analogic converter MCH2 T terminal PW Modbus...

Страница 10: ...robe 4 supply probe 5 electrical heater 6 evaporator 7 supply fan overload 8 supply fan 9 compressor 1 10 high pressure 11 compressor overload 12 low pressure 13 ambient probe 14 compressor 2 Key 1 co...

Страница 11: ...denser probe 1 and 2 4 supply probe 5 electrical heater 1 and 2 6 evaporator 1 and 2 7 supply fan 8 ambient probe 9 compressor 1 10 high pressure 1 and 2 11 compressor overload 1 and 2 12 low pressure...

Страница 12: ...ctrical heater 1 e 2 6 evaporator 1 and 2 7 supply fan overload 8 supply fan 9 compressor 1 10 high pressure 1 e 2 11 compressor overload 1 and 2 12 low pressure 1and 2 13 ambient probe 14 compressor...

Страница 13: ...itch 5 outlet evaporator probe 6 fan 7 antifreeze heater 8 inlet evaporator probe 9 compressor 1 10 high pressure 11 compressor overload 12 low pressure 13 water pump 14 compressor 2 Key 1 condenser f...

Страница 14: ...tch 5 outlet temperature probe 6 evaporator 1 and 2 7 outlet evaporator probe 1 and 2 8 antifreeze heater 1 and 2 9 compressor 1 10 high pressure 1 and 2 11 compressor overload 1 and 2 12 low pressure...

Страница 15: ...ator 1 and 2 7 outlet evaporator probe 1 and 2 8 antifreeze heater 1 and 2 9 compressor 1 10 high pressure 1 and 2 11 compressor overload 1 and 2 12 low pressure 1 and 2 13 inlet evaporator probe 14 c...

Страница 16: ...et evaporator probe 5 evaporator 6 antifreeze heater 7 inlet evaporator probe 8 compressor 1 9 high pressure 10 compressor overload 11 low pressure 12 water pump 13 compressor 2 Key 1 water condensing...

Страница 17: ...ondensator 1 and 2 3 flow switch 4 outlet temperature probe 5 outlet evaporator probe 1 and 2 6 antifreeze heater 1 and 2 7 evaporator 8 water pump 9 compressor 1 10 high pressure 1 and 2 11 compresso...

Страница 18: ...tlet evaporator probe 1 and 2 6 evaporator 1 and 2 7 antifreeze heater 1 and 2 8 water pump 9 compressor 1 10 high pressure 1 and 2 11 compressor overload 1 and 2 12 low pressure 1 and 2 13 inlet evap...

Страница 19: ...evaporator probe 6 antifreeze heater 7 evaporator 8 condenser 9 condenser probe 10 compressor 1 11 high pressure 12 compressor overload 13 low pressure 14 water pump 15 compressor 2 Key 1 external 2 i...

Страница 20: ...reversing valve 1 and 2 4 condenser probe 5 flow switch 6 outlet evaporator probe 7 condenser probe 1 and 2 8 condenser 1 and 2 9 outlet evaporator probe 1 and 2 10 antifreeze heater 1 and 2 11 evapor...

Страница 21: ...condensing unit 3 9 1 Single circuit Key 1 condenser fan overload 2 fan 3 condenser probe 4 compressor 1 5 high pressure 1 and 2 6 compressor overload 1 and 2 7 low pressure 1 and 2 8 compressor 2 9...

Страница 22: ...densing unit without reverse cycle 3 10 1 Single circuit Key 1 condenser fan overload 2 fan 3 condenser probe 4 compressor 1 5 high pressure 1 and 2 6 compressor overload 1 and 2 7 low pressure 1 and...

Страница 23: ...oled condensing unit 3 11 1 Single circuit Key 1 flow switch 2 water cond temperature probe 3 condenser 4 compressor 1 5 high pressure 6 compressor overload 7 lw pressure 8 compressor 2 9 compressor 3...

Страница 24: ...compressor overload 1 and 2 8 low pressure 1 and 2 9 compressor 3 10 compressor 2 11 compressor 4 12 water pump Key 1 condenser fan overload 2 fan 3 condernser probe 1 and 2 4 supply probe 5 electrica...

Страница 25: ...ion of the parameters that typically can be set by the user User parameters and the Direct parameters consequently relating to the options Direct parameters Accessible without password this are used t...

Страница 26: ...R W 221 Integer 04 Probe type B4 0 not present 1 ON OFF D I 2 NTC Out Probe 3 ratiometric cond Probe 5 Vdc 4 differential control probe F 0 4 int 1 0 15 R W 222 Integer 05 Probe type B5 0 not present...

Страница 27: ...4 Analog b04 Value read by probe B4 D 0 0 C F Dbar 0 105 R 105 Analog b05 Value read by probe B5 D 0 0 C F 0 X 106 R 106 Analog b06 Value read by probe B6 D 0 0 C F 0 X 107 R 107 Analog b07 Value read...

Страница 28: ...g defrost F 400 800 C F bar 0 1 30 D 63 R W 63 Analog d20 Outside temperature differential sliding defrost F 10 0 800 C F 0 1 100 D 64 R W 64 Analog Table 4 f 4 3 7 Fan setting parameters F display in...

Страница 29: ...ng F 0 5 Flag 1 1 56 R W 263 Integer H06 Cooling Heating digital input 0 absent 1 present U 0 1 Flag 1 0 14 R W 14 Digital H07 ON OFF digital input 0 absent 1 present U 0 1 Flag 1 0 15 R W 15 Digital...

Страница 30: ...p alarm2 26 Comp alarm3 27 Comp alarm4 F 0 23 Int 1 0 69 R W 276 Integer P09 Digital input 2 selection F 0 27 Int 1 0 70 R W 277 Integer P10 Digital input 6 selection F 0 27 Int 1 0 X 71 R W 278 Integ...

Страница 31: ...sel suppression 0 Disabled 1 Enabled in cool 2 Enabled in Heat 3 Always enabled F 0 3 Flag 1 0 88 R W 295 Integer r28 Min compressor running time for low load damper travel time F 0 999 s 1 60 89 R W...

Страница 32: ...rm D 0 1 0 44 R 44 Digital General alarm D 0 1 0 45 R 45 Digital Probe alarm D 0 1 0 46 R 46 Digital Compressor warning D 0 1 0 47 R 47 Digital Compressor error alarm D 0 1 0 25 R 25 Digital EVD 1 war...

Страница 33: ...n max U O M variat def visibility supervis variable Modbus variable type Indicates the unit parameter Carel SV communication F 0 250 108 R 207 Integer Gain constant for pressure probe calibration F 0...

Страница 34: ...m bit3 MOP warning bit4 LOP warning bit5 high suction temperature warning bit6 valve open after power failure alarm bit7 flat battery alarm D 0 0 0 R 207 Integer Controls status indicators for EVD2 bi...

Страница 35: ...s of measurement The recommended value is 4 default Input limit 22 Establishes the maximum variation that can be measured by the probes in one unit program cycle in practice the maximum variations all...

Страница 36: ...ntifreeze heater in defrost auxiliary heater in heating set point A08 Represents the threshold below which the auxiliary heater is ON in defrost and in heating mode The set point in heating is compens...

Страница 37: ...the EVD below which the antifreeze 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...

Страница 38: ...s subject to the controller parameter H05 2 the compressor is started when required after the set time from the activation of the water pump or outlet fan in air air units If the pump outlet fan is al...

Страница 39: ...gram below shows an example of the operation of the pump and with burst active when H05 3 see parameter H05 The dashed areas on the compressor line indicate the pump compressor and compressor pump del...

Страница 40: ...ng mode on probe B3 If sliding is defrost enabled the start defrost temperature decreases starting from d03 proportionally to the outside temperature End defrost temperature pressure d04 Establishes t...

Страница 41: ...pressor is stopped and subsequently restarted immediately If d13 0 the compressor is not stopped and the reversing valve is switched immediately End defrost with two gas circuits 1 fan circuit d14 Thi...

Страница 42: ...circuit is ON parallel operation in each circuit F02 2 ON when the corresponding compressor is ON with ON OFF control based on the temperature pressure settings for the minimum and maximum speed param...

Страница 43: ...nts the temperature or the pressure above which the fans are switched off Fig 5 a l Temperature pressure differential for maximum speed in heating F09 This represents the temperature or pressure above...

Страница 44: ...0 Low noise deactivated F15 1 Low noise activated in cooling F15 2 Low noise activated in heating F15 3 Low noise activated in cooling and heating N B The variation in the set point is not active duri...

Страница 45: ...IN Open Cooling D IN Closed Heating ON OFF digital input H07 Establishes whether the ON OFF selection from digital input is enabled or disabled If the selection is enabled H07 1 the open status switc...

Страница 46: ...outputs H11 6 H11 7 H11 8 H11 9 H11 10 H11 11 H11 12 C1 compressor 1 compressor 1 compressor 1 compressor 1 compressor 1 compressor 1 compressor 1 C2 1 step heater 1 step heater 1 step heater compres...

Страница 47: ...In smartSET mode the following values are saved Only when R06 0 or 4 DTE difference between evaporator inlet temperature B1 and outlet temperature B2 B5 calculated at full load all compressors on whe...

Страница 48: ...arms the compressors are stopped immediately ignoring the times Flow switch alarm delay in steady operation P02 Establishes a delay in the recognition of the flow switch alarm in steady operation so a...

Страница 49: ...tact cooling and heating normally open P08 14 second cooling set point from external contact and heating from time band N O P08 15 end defrost from external contact circuit 1 N C P08 16 end defrost fr...

Страница 50: ...unction is disabled Mute alarm relay using PRg mute button P35 0 the PRG mute button does not alter the status of the relay if the alarm is active and in progress P35 1 the PRG mute button alters the...

Страница 51: ...ortional band below the set point by the value r07 Outlet temperature control by time r06 4 only chiller This type of control is based on the need to maintain the outlet temperature as constant as pos...

Страница 52: ...activation times are always r08 and r09 Deactivation time heating In heating mode if the temperature rises above the set point the deactivation time will decrease more the further the temperature mov...

Страница 53: ...mperature until reaching the set point r24 r07 observing the reversing times The change for heating to cooling occurs by increasing temperature until reaching the set point r24 r07 observing the rever...

Страница 54: ...me the damper is no longer moved The sum is reset when the damper is closing Operation is the same in closing Differential during the low load condition in chiller mode r29 This parameter represents t...

Страница 55: ...rtional control band is respectively 1 divided by the number of compressor steps when freecooling heating is disabled Fig 5 b s 2 managed with freecooling heating operating and the compressors activat...

Страница 56: ...ition following control or alternatively directly to the minimum opening position set if the damper was previously in the completely open position Disable compressors for low outside temperature in Fr...

Страница 57: ...All Evd 1 Eb1 EVD 1 battery alarm All Evd 2 Eb2 EVD 2 battery alarm All Sonda AD Et uAD terminal probe alarm Start hours for 2nd set point in cooling t06 I92 Hour when the second cooling set point sta...

Страница 58: ...Automatic ON ON 51 R Temperature advice Digital Lt Low ambient temp Depends on P05 ON ON 51 R Temperature advice Digital AHt High temperature at the start up Automatic OFF OFF OFF ON 50 R General war...

Страница 59: ...ed 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...

Страница 60: ...temperature is compared against the threshold A14 The compressors in circuit 1 and the condenser fans in circuit 1 are immediately stopped the buzzer and alarm relay are activated and the display sta...

Страница 61: ...d nO2 MOP warning maximum operating pressure circuit 2 The warning appears on the display and if the expansion card is fitted the corresponding relay is activated LO1 LOP warning lowest operating pres...

Страница 62: ...ssure circuit 1 ID5 Remote ON OFF reverse cycle condensing unit if reversible Y1 Ramp circuit 1 condenser C1 2 NO1 Compressor 1 C1 2 NO2 Heater or reversing valve in 1st circuit C3 4 NO3 Fan 1 evapora...

Страница 63: ...metic compressors The following figure shows the connection diagram for the C2 SE expansion card code MCH200002 Fig 7 b NOTE The expansion features two LEDs on the main board to see these remove the t...

Страница 64: ...be connected to the C2 SE without using this module 7 7 Minimum and maximum fan speed calculation This procedure should only be performed when the fan speed control boards are sued code MCHRTF it mus...

Страница 65: ...the button can be released after a few seconds the LED turns off and the key can be disconnected from the instrument in case of different signals if the green LED doesn t turn on or if there are some...

Страница 66: ...e environment where its is installed interacting with the units controlled by the C2SE The AD can be used to set time bands the temperature and humidity set point switch the system on off and change o...

Страница 67: ...dimensions of each component in the C2 SE controller all the values are expressed in millimetres Note the dimensions include the free connectors inserted Fig 8 a Fig 8 b Fig 8 c Fig 8 d MCH200000 C2...

Страница 68: ...0220426 rel 2 1 09 06 2010 Model A component side B C D E MCHRTF04C0 43 100 40 50 107 MCHRTF08C0 75 100 58 82 107 MCHRTF12C0 75 100 58 82 107 Note the version with screw teminals code MCHRTF D0 is ava...

Страница 69: ...24 Vac range 10 15 50 60 Hz Maximum power input 3W Fuse compulsory in series with the power supply to the C2 SE 315mAT 12 pin connector Max current 2 A for each relay output extendable to 3 A for one...

Страница 70: ...ly Separate the power cables relay outputs from the cables corresponding to the probes digital inputs and serial line Use a transformer dedicated exclusively to the electronic controllers for the powe...

Страница 71: ...rcuit applications Increased the options for the parameters P25 P32 corresponding to the digital output settings function also available for the outputs on the expansion if the firmware version on the...

Страница 72: ...72 E N G L I S H C2 SE 030220426 rel 2 1 09 06 2010...

Страница 73: ...73 E N G L I S H C2 SE 030220426 rel 2 1 09 06 2010...

Страница 74: ...74 E N G L I S H C2 SE 030220426 rel 2 1 09 06 2010...

Страница 75: ......

Страница 76: ...11 35020 Brugine Padova Italy Tel 39 049 9716611 Fax 39 049 9716600 e mail carel carel com www carel com Agence Agency C 2 SE 030220426 rel 2 1 09 06 2010 CAREL reserves the right to modify the featur...

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