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µC

2

SE for process chiller

Electronic controller

ENG

User manual

I n t e g r a t e d C o n t r o l S o l u t i o n s & E n e r g y S a v i n g s

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Summary of Contents for MuC2SE

Page 1: ...C2 SE for process chiller Electronic controller ENG User manual I n t e g r a t e d C o n t r o l S o l u t i o n s E n e r g y S a v i n g s...

Page 2: ......

Page 3: ...ms could suffer irreparable damage Not to use corrosive chemical products aggressive solvents or detergents to clean the device Not to use the product in application environments different than those...

Page 4: ...4 C2 SE process chiller 030220416 rel 2 3 17 05 2018...

Page 5: ...n 16 4 2 Configuration 16 4 3 Minimum and maximum fan speed calculation 17 5 FUNCTIONS 18 5 1 Set point 18 5 2 Probes analogue inputs 18 5 3 Probe reading 19 5 4 Digital inputs 19 5 5 Digital outputs...

Page 6: ...6 C2 SE process chiller 030220416 rel 2 3 17 05 2018...

Page 7: ...2 display of further warnings alarms on the controller display 3 selection of the digital outputs to switch over 1 2 Codes Description Cod C 2 SE 1 circuit 2 compressors panel assembly MCH2000050 C 2...

Page 8: ...250 Vac into AC1 1 3 HP inductive Analogue output module code CONV0 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...

Page 9: ...the structure of the tLAN network with the C 2 SE controller for process chiller which can operate alone or with the I O expansion board The EVD 4 driver is an optional NETWORK STRUCTURE Key T Evapor...

Page 10: ...ference ID11 ID15 Digital inputs 11 15 B8 Analogue input 8 C11 C15 Common digital outputs 11 15 NO11 NO15 Digital outputs 11 15 normally open contact V Ratiometric pressure probe power supply Y2 Analo...

Page 11: ...e power cables and probe cables including those of electric control board into the same cable conduits do not install the probe cables in the immediate vicinity of power devices switches magnet circui...

Page 12: ...ve 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 The...

Page 13: ...tly but at the end of the operation the battery voltage is low Flashing simultaneously red green LED signal orange Instrument not compatible The parameters set up cannot be copied because the controll...

Page 14: ...mode request 3 2 Keypad Key Machine state Pressure mode Loading default values Controller power supply with key pressed Return to upper level up to exit with saving in EPROM Single press Access to par...

Page 15: ...Set the password via and and confirm with 4 Select the parameters menu S P via and Confirm with 5 Select the parameters category A b c d via and Confirm with 6 Select the parameter via and Confirm wit...

Page 16: ...replaced by the electronic expansion valve the EVD 4 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 allo...

Page 17: ...d 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...

Page 18: ...ndenser NT 2 External NTC 3 Differential control 0 0 3 04 Probe B4 0 Absent 1 Digital input 2 External NTC 3 Ratiometric Condenser 4 Differential control 0 0 4 09 Minimum voltage input value 50 0 10 V...

Page 19: ...ure b11 driver superheating superheated gas temperature evaporation saturate temperature b12 saturation temperature value calculated of the evaporation saturate temperature b13 valve position as b19 c...

Page 20: ...l input 14 See P37 0 0 10 P41 Digital input 15 See P37 0 0 10 H11 0 1 2 3 4 5 6 NO1 compressor 1 compressor 1 compressor 1 compressor 1 compressor 1 compressor 1 compressor 1 NO2 heater 1 heater 1 hea...

Page 21: ...ited 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 les...

Page 22: ...evaporation temperature probe t time 6 4 Compressors management Digital outputs at relay par c01 c02 c03 c04 c05 The parameters in question regard the minimum operating times or switch off times of t...

Page 23: ...p below this limit 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...

Page 24: ...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 compre...

Page 25: ...tion Def Min Max U M c17 Pump minimum switch off time 30 0 150 min c18 Pump minimum switch on time 3 0 15 min t c18 c07 c08 c17 c18 c17 c18 ON OFF ON OFF CMP P Key CMP Compressor P Pump t time 6 6 Com...

Page 26: ...rature 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...

Page 27: ...rs 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 t...

Page 28: ...0 22 229 R W I A04 Anti freeze heater s set point in stand by see r43 U A01 80 C F 5 AA 13 13 R W A A04 Anti freeze heater s relative set point in stand by see r43 U 0 20 C F 7 AR 77 77 R W A A05 Ant...

Page 29: ...mp when starting 0 Disabled U 0 999 s 0 FN 91 298 R W I Par Description Level MIN MAX U M DERF Disp SVP Carel ModBus R W Var type Machine setting parameters H H01 Chiller type 2 Air water 4 Water wate...

Page 30: ...ure alarm threshold 0 alarm disabled F 0 99 9 bar 20 P 39 39 R W A P19 Low temperature alarm threshold U 40 176 C F 10 AA 40 40 R W A P19 Relative low temperature alarm threshold U 0 100 C F 2 AR 83 8...

Page 31: ...40 80 C F 40 65 65 R W A r27 Accumulation vessel suppression low load 0 Disabled 1 Enabled 2 3 Do not select F 0 3 0 88 295 R W I r28 Min compressor running time for low load F 0 999 s 60 89 296 R W I...

Page 32: ...l E4 Probe B4 alarm Automatic OFF OFF OFF OFF ON 46 R Probes alarm Digital Hc1 2 Comp 1 2 pumps hour warning Automatic 47 R Compress warning Digital EPr EEPROM error during operation Automatic 50 R Ge...

Page 33: ...arm is detected after time P03 with compressors off or active depending on P15 The hysteresis for this alarm is 1 bar tP General overload The alarm is detected irrespective of the status of the pump a...

Page 34: ...y the condenser fan is activated along with the alarm relay and flashing display Whenever C 2 SE is in stand by the alarm condition is not detected but just the heaters are managed Reset depends on pa...

Page 35: ...s no driver status EU1 Valve open error EVD 1 start I in system start up the driver detects the valve is still open the alarm has passed to C 2 SE which switches the compressors and fans off Eb1 EVD b...

Page 36: ...fications 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 configur...

Page 37: ...shock and maintenance warnings The system made up of the control board MCH200005 and the other optional boards MCH200006 MCH200485 MCHRTF CONVONOFF CONV0 10A EVD000040 constitute a control device to b...

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Page 40: ...REL INDUSTRIES HeadQuarters Via dell Industria 11 35020 Brugine Padova Italy Tel 39 049 9716611 Fax 39 049 9716600 e mail carel carel com www carel com C2SE chiller processo 030220416 rel 2 3 17 05 20...

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