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Summary of Contents for Evco c-pro 3 nano CHIL
- Page 1 EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 c-pro 3 nano CHIL Programmable controllers for chillers/heat pumps with single or dual circuit Application Manual | ENGLISH Code 144CP3NCHE104...
- Page 2 EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 IMPORTANT WARNING Read the User Manual carefully before installation and before use and follow all the instructions concerning installation and electrical connections. This manual must be kept for future consultation.
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Page 3: Table Of Contents
EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 SUMMARY INTRODUCTION ....................6 1.1 Introduction ..................... 6 APPLICATIONS ....................7 2.1 Basic scheme of application of an air/water dual-circuit chiller ....... 8 HARDWARE SOLUTIONS ..................9 MEASUREMENTS .................... - Page 4 EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 8.3 Configuration of the Circuits ................48 8.4 Operating Mode Control .................. 49 8.5 Setting the RTC ....................50 8.6 Compressor Control ..................50 8.6.1 Lateral Band (LB) Control........................50 8.6.2...
- Page 5 EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 8.19.3 Forced Switch-off ..........................69 8.19.4 High pressure reduction at high temperatures (chiller) ................ 70 8.19.5 Low pressure parcelling at low temperatures (heat pump) ..............70 8.19.6...
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Page 6: Introduction
INTRODUCTION Introduction The programmable controllers in the c-pro 3 nano CHIL line are devices designed to manage chillers/heat pumps with single and dual circuit with a maximum of three scroll compressors per circuit. They use programmable controllers, the expansions of I/O, and the remote user interfaces of the c-pro 3 line and are programmed with a software application implemented with the UNI-PRO 3 development environment. -
Page 7: Applications
EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 APPLICATIONS The controllers can manage the following types of unit: Air/water single-circuit Air/water single-circuit chiller Air/water single-circuit chiller with EEV driver Air/water single-circuit chiller + Heat pump... -
Page 8: Basic Scheme Of Application Of An Air/Water Dual-Circuit Chiller
EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 Basic scheme of application of an air/water dual-circuit chiller page 8 of 90... -
Page 9: Hardware Solutions
EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 HARDWARE SOLUTIONS Hardware Item Code Controller c-pro 3 nano CHIL EPN2LXP I/O expansion c-pro 3 EXP micro+ EPU2EXP EEV driver (built-in version) EVDRIVE03 EPD4DF3 EEV driver (blind version) -
Page 10: Measurements
3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 MEASUREMENTS Controller and user interface measurements Below we show the measurements, assembly, and electrical connections of the c-pro 3 nano CHIL device. 4.1.1 c-pro 3 nano CHIL control module measurements To be fitted to a panel;... -
Page 11: Vgraph Remote User Interface Measurements
EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 4.1.3 Vgraph remote user interface measurements To be fitted to a panel; measurements are in mm (in). 4.1.4 EVDRIVE03 module measurements 4 DIN modules, installation with assembly on DIN rail; measurements are in mm(in). -
Page 12: User Interface
EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 USER INTERFACE Two types of interface are provided for the application: • interface with built-in LED display (4 keys) • remote interface with Vgraph LCD display (6 keys). -
Page 13: Vgraph/Vcolor User Interface
EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 5.1.2 Vgraph/Vcolor user interface: The terminal’s main characteristics are the chance to communicate a remarkable amount of information to the user and how extremely easy it is to use; these characteristics derive from a graph viewer and a six-key membrane keyboard (with preset functions) and the CAN bus (to connect to the controllers). -
Page 14: List Of The Pages
EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 LIST OF THE PAGES This chapter describes the main pages and the menus in the application. As described above, the general menu is divided up into four levels of submenu: user, maintenance operator, installation operator, and configuration. -
Page 15: Unit Off Main Screen
EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 Unit OFF Main screen The main viewing screen varies based on the machine state, that is on (ON) or off (OFF): if the machine is OFF Unit OFF will be viewed together with the cause of the switch-off (keyboard, DI, Supervisor, Scheduler, Alarm, Change). -
Page 16: Stat Menu
EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 Timer Settings Icon Indicates which timer setting is active (A,B) From this page, by pressing the RIGHT or LEFT key you can view other information concerning pumps, fans, compressors, defrost, circuit state, RTC, and all probes configured. -
Page 17: Led Meaning
EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 Table with examples system modes viewable from Page 3 Page of reference Mode viewed System mode Page 3 tExt External temperature probe Page 3 tAux Remote temperature probe... -
Page 18: General Menu
EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 If on, it means that a fan is active; if off, it means that a fan is active; if on and blinking slowly, it means that a fan is in alarm;... -
Page 19: User Menu
EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 User Menu The user menu is a Level 1 menu; this means that you must type the User level (or higher) password to be able to view/change the parameters in this branch. -
Page 20: Manufacturer Menu
EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 In the FANS menu you can set the parameters relative to condensation pressure control with the fans. In the DEFROST menu you can set the parameters for activation and duration of heat pump defrost. -
Page 21: List Of Parameters
EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 Vgraph Display LED display Show alarms ALrm Show history HiSt The SHOW ALARMS menu shows the active alarms. Every time you press the DOWN key, the next active alarm is shown. If there aren’t any alarms, the “NO ALARM”... -
Page 22: List Of Configuration Parameters
EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 List of Configuration Parameters Code Parameter description Preset Min. Max. U.M. Menu Notes MEN RTC–This menu may be accessed if PG03=1 PT01 Workday 1 enables zone 1... - Page 23 EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 1 = workday 1 2 = workday 2 Level USER MENU Set the operating mode: Modifiable only if the unit is a ModE 0: Cold, (chiller/summer)
- Page 24 EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 View the number of operating hours Hours PM43 9999 MA-F of the free-cooling fan PM90 Date of last maintenance job MA-F MANUAL PM11, Enable manual/automatic operation of PM12 the compressor.
- Page 25 EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 the start-up/shutdown of the (Modulating control) condensation fan in Circuit # 1. During the manual operation, force With PF01=1 PM62 the start-up/shutdown of the MA-M (Modulating control) condensation fan in Circuit # 2.
- Page 26 EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 calibration circuit 2 Single pressure sensor calibration PM87 -20.0 20.0 MA-C circuit 1 Single pressure sensor calibration PM88 -20.0 20.0 MA-C circuit 2 Change the password at maintenance...
- Page 27 EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 of the compressor outside the zero energy band Enable self-adapting control of the PC18 No (0) No (0) Yes (1) IS-R compressor zero energy band Min. value of the summer setpoint PC21 -15.0...
- Page 28 EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 dynamic summer setpoint End compensation temperature for PC66 60.0 PC65 70.0 °C IS-R dynamic summer setpoint Max. dynamic offset in comparison to PC67 10.0 -20.0 20.0 °C...
- Page 29 EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 Linear control band for condensation PF22 15.0 IS-F in winter operation (heat pump) Max. setpoint activation forcing in PF24 winter operation (heat pump, 20.0 IS-F inverter) Max.
- Page 30 EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 Pump operation: 0 = Continuous operation PP01 1 = Operation with request from IS-P thermostat 2 = Cyclical operation PP02 ON period in cyclical operation Sec.
- Page 31 EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 Enable free-cooling when the PS05 Yes (1) No (0) Yes (1) IS-FC compressors are on Free-cooling activation differential PS06 10.0 °C IS-FC setpoint PS07 Free-cooling activation differential °C...
- Page 32 EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 alarm for low-pressure alarm activation at compressor start-up PA21 High-pressure alarm threshold 28.0 45.0 IS-S High-pressure alarm rearm PA22 30.0 IS-S differential Enable the primary exchanger...
- Page 33 EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 fan operating hours Set the activation delay for the PA81 Sec. IS-S condensation fan’s thermal alarm Set the rearm type for the condensation fan’s thermal alarm...
- Page 34 EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 mode change with supervisor. Wait for the 0 value to be PH15 Reset the preset factory parameters. No (0) No (0) Yes (1) IS-V reread at the end of reset.
- Page 35 EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 PG04 Enable the Real Time Clock RTC CO-W Enable the presence of the EVCM PG05 Yes (1) No (0) Yes (1) CO-W modules (1 per circuit) PG09 Set the number of pumps.
- Page 36 EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 HC04 HC05 They set which analogue resources to HC06 connect to the analogue outputs HC07 1, 2, 3, 4 of the expansion HC08 Set which analogue resources to...
- Page 37 EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 1= Manual PV24 Manual position 00:00 00:00 100.00 CO-V SH parameter setpoint: PV25 0= set1 CO-V 1= set2 Relay function: 0= Disabled 1= Enabled: any alarm...
- Page 38 EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 PV82 Min. superheating circuit 1 25.0 °K CO-V PV83 Max. discharge superheating circuit 1 35.0 50.0 °K CO-V PV84 Min. discharge superheating circuit 1 50.0 °K...
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Page 39: Ai Configuration
EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 Probe type 1: 1= PTC 2= NTC 3= 0..20mA 4= 4..20mA PV69 CO-V 5= 0-5V 6= 0-10V 7= PT1000 8= NTC K2 9= NTC K3 Probe type 2:... -
Page 40: Di Configuration
EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 Coil temperature Circuit 2 Compressor discharge temperature Circuit 1 Compressor discharge temperature Circuit 2 Remote temperature (Storage tank) Condensation pressure Circuit 1 (4-20mA) Condensation pressure Circuit 1 (0-5V) -
Page 41: Ao Configuration
EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 15-16 Pump 1 thermal switch heat source exchanger NC-NO 17-18 Pump 2 thermal switch heat source exchanger NC-NO 19-20 Free-cooling external fan thermal switch NC-NO 21-22... - Page 42 EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 11-12 Compressor 1 NC-NO 13-14 Compressor 2 NC-NO 15-16 Compressor 3 NC-NO 17-18 Reversing valve Circuit 1 NC-NO 19-20 Ventilation step (enable) Circuit 1 NC-NO 21-22...
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Page 43: Regulations
EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 REGULATIONS Machine State There are various procedures for turning the machine on and off: 1) use the designated ON/OFF key (this function is enabled with the PH05 parameter). -
Page 44: Type Of Unit
EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 Type of Unit With the machine in OFF status, using the PGUT parameter from the MANUFACTURER/CONFIGURATION menu, you can select the type of unit to use. The control and the other parameters that correspond to the different functions must be changed manually based on the requirements of the user. -
Page 45: Water/Water And Air/Water Chillers (No Evdrive03)
EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 Digital inputs EVDRIVE03 circuit 1 D/I 1 VCM1 High pressure C1 High pressure C1 D/I 2 VCM1 Low pressure C1 Low pressure C1 D/I 3 VCM1... -
Page 46: Water/Water And Air/Water Heat Pump With Evdrive03
EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 Analogue Outputs Controller A/O 1 VentilationC1 (PWM) VentilationC1 (PWM) A/O 2 Not used Not used A/O 3 Not used Not used A/O 4 Not used Not used... -
Page 47: Water/Water And Air/Water Heat Pump No Evdrive03
EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 Digital Inputs Controller D/I 1 On/Off (NC) On/Off D/I 2 Heat sink exchanger flow switch (NC) Heat sink exchanger flow switch (NC) D/I 3 Fan thermal switch C1 (NC) -
Page 48: Configuration Of The Circuits
EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 Digital Inputs Controller D/I 1 On/Off Compressor thermal switch 2 (NC) D/I 2 Heat sink exchanger flow switch (NC) Heat sink exchanger flow switch (NC) D/I 3... -
Page 49: Operating Mode Control
EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 Operating Mode Control The operating mode can take on the following values: “MOdE” Parameter Operation mode Description 0 = Cold Chiller Summer mode 1 = Hot... -
Page 50: Setting The Rtc
EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 Setting the RTC If the controller is not connected to the mains for several days, the RTC (Real-Time Clock) System clock loses its settings. When the power is supplied again, you have to reset the RTC alarm (enabled by PA30=1) and set the correct date and time. -
Page 51: Zero Energy Band (Zeb) Control
EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 Mode = Operating mode (0 = summer) SPC1 = Summer LB setpoint PC11 = Type of control (0 = Lateral band) PC12 = Proportional band PC21 = Lower limit chiller setpoint... -
Page 52: Self-Adapting Control
EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 The switch-on/switch-off requests for the various power steps provided by the compressors in the winter operating mode (heat pump) follow this logic: Switch-on: when the output temperature of the AF is below the zero energy band. -
Page 53: Compressor Rotation
EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 Awaiting switch-on: The compressor waits for the protection periods to elapse before switching on. The state display shows “ON”. Off: The state display shows “OFF”. Awaiting switch-off: The compressor waits for the protection periods to elapse before switching off. The state display shows “OFF”. -
Page 54: Relative Pump-Down Threshold
EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 PC42). The solenoid valve opens in the same instant the compressor starts up. To enable this function, you must set the following parameters: PC41 = 1. Enable function PC42: Pump-down time Note: In the event of an alarm, the system must ignore the compressor switch-off delay. -
Page 55: Thermal Switch Inputs
EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 PC05 = Minimum compressor switch-off time. This is a minimum time interval that must go from the last switch-off, before the compressor can be turned on again. - Page 56 EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 Speed SPF - Y 100% High- speed Low-speed SP - X SP + diff Pressure Mode= Operating mode (0 = summer) PF11 = Summer Setpoint (SP) condensation control...
- Page 57 EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 Speed SPF + Y Max. speed High- speed Low-speed SP - diff SP + X Pressure Mode = Operating mode (1 = winter) PF21 = Winter setpoint (SP) condensation control...
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Page 58: Mono Phase Fan Control
EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 8.8.2 Mono phase Fan Control Management of mono phase control of the condensers’ fans with a digital output for each fan. The condenser’s fan switches on when the condenser pressure exceeds the condenser setpoint + condenser pressure differential. The condenser fan switches off when the condenser pressure drops below the condenser setpoint, also see the figure below. -
Page 59: Fan Management
EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 Fan Management The programme is capable of managing up to two fans, that is one per circuit. You can associate a digital input and a digital safety output for switch-on/switch-off to each fan. -
Page 60: Pump Mode
EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 PP01 = 1: Operation with request from thermostat PP01 = 2: Cyclical operation In continuous operation, the circulation pump is activated when the unit is on, and once the delay interval has elapsed (parameter PP04), the compressors can be energised. -
Page 61: Flowmeter Management
EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 8.10.2 Flowmeter Management The flowmeter is constantly monitored once the chiller has been started and the Flowmeter start-up delay PA01 has elapsed. If the contact indicates a lack of flow, the flowmeter alarm goes off immediately. The compressors do not receive commands when there is a flowmeter alarm. -
Page 62: Defrost Cycle Compensation
EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 Pressione Pd02 Pd01 Pd04 Valvola Pd03 inverter Sbrinamen Gocc. Pd06 To avoid immediate start-up of a defrost cycle after all the compressors have been stopped, a Minimum circuit restart delay Pd07 is used which guarantees at least a period of heat pump operation before entering the defrost cycle. -
Page 63: Single Evaporation
EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 If the antifreeze alarm should persist for the duration of the Period of pump operation with low-temperature PP10, the pump will switch off until the next alarm reset. - Page 64 EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 In the event of regulation of compressors both in input (lateral band), or in output (neutral zone) the setpoint of the free-cooling always corresponds to the setpoint for regulation of the loads.
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Page 65: Free-Cooling Regulation Valve
EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 8.15.3 Free-cooling Regulation Valve If the valve is ON/OFF type, the activation command will follow the consent step on the FC setpoint with PS08 hysteresis described above. -
Page 66: Temperature Alarm Check
EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 8.16 Temperature Alarm Check 8.16.1 High and Low Temperature Alarm Management Based on the operating mode, a check is performed on the input temperature to the exchanger, activating an alarm when necessary. -
Page 67: Low Pressure Transducer Alarm Management (Heat Pump Mode)
EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 If with the machine on and when there is a cold request from the control, low pressure is detected, compressor start-up is inhibited and the Low-pressure start alarm AL21 (and AL22 for Circuit # 2) is shown. The purpose of this condition is to inhibit compressor start-up when there isn’t any Freon®... -
Page 68: Time Schedule
EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 8.18 Time Schedule The real-time clock lets the worker set a weekly schedule for the unit. You can set two different daily schedules. Each daily schedule can have two zones with separate heating and cooling offset values. -
Page 69: Variation Of Setpoint With Timer Scheduler
EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 8.19.1 Variation of setpoint with timer scheduler With parameter PH28 you can adjust the setpoint with timer scheduler (settings parameter for the scheduler). The real control setpoint depends on the workday and the relative offset. -
Page 70: High Pressure Reduction At High Temperatures (Chiller)
EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 • PC35 = Enable forced switch-off • PC36 = Summer forced switch-off set point • PC37 = Winter forced switch-off set point. 8.19.4 High pressure reduction at high temperatures (chiller) This control makes it possible for the coolant circuit to operate at high external temperatures as well. -
Page 71: Operating Limit Management (Heat Pump)
EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 • PC51 = Pressure parcelling setpoint at low temperatures • PC52 = Pressure parcelling differential at low temperatures • PC53 = Low external temperature threshold •... -
Page 72: Cooling/Heating Function By Request
EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 To enable this function, the external air temperature probe must be enabled 8.19.7 Cooling/Heating Function by Request If enabled in the Enablement Control by Request PC80 parameter, this function requires a specific temperature probe, remote... -
Page 73: Pid Parameter Settings
EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 Enablement of operation must come a few seconds before compressor start-up. The valve must be “prepared” open a percentage adequate to the compressor being turned on. -
Page 74: Fans
EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 To bring the compressor to normal operation, you have to refresh the Enable compressor PM1x parameter to the Auto (Automatic) value; otherwise the compressor in question would continue to operate manually, not complying with the request for switch-on/switch- off calculated by the configured control. -
Page 75: Parametrisation Pen Drive
EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 8.23 Parametrisation Pen drive The values of all the system parameters can be saved on the Parametrisation pen drive to later be copied onto one or more compatible devices or in a dedicated area of the controller’s memory. -
Page 76: Connection To The Power Supply
EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 9.1.2 Connection to the power supply The picture below shows the c-pro 3 nano plus connection to the power supply. 9.1.3 Analogue input connection The picture below shows an example of c-pro 3 nano plus analogue input connection. -
Page 77: Analogue Output Connection
EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 9.1.5 Analogue output connection The picture below shows the c-pro 3 nano plus analogue output connection. 9.1.6 Digital output connection The picture below shows an example of c-pro 3 nano plus digital output connection. -
Page 78: Rs-485 Modbus Port Connection
EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 9.1.8 RS-485 MODBUS port connection The picture below shows an example of c-pro 3 nano plus RS-485 MODBUS port connection. In the example, the c-pro 3 nano plus is the last device on the network with an RS-485 MODBUS port. -
Page 79: Usb Port Connection To A Personal Computer
EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 1 I/O expansion 2 driver for EEV (EVDRIVE03) 1 remote user interface Note: The connection cables to the main back must be as short as possible. - Page 80 EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 To fit the RS-485 MODBUS network termination resistor, place micro-switch 1 in position ON. To fit the CAN network termination resistor, place micro-switch 2 in position ON.
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Page 81: Layout C-Pro 3 Exp Micro+ Connection
EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 Layout c-pro 3 EXP micro+ connection analogue inputs 1...… 6. COMMUNICATIONS digital inputs 1...5 and power supply and PORT analogue outputs 1...3 CAN port (USB) termination of CAN port line analogue inputs 7...…... -
Page 82: Evdrive03 Connection Layout
EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 EVDRIVE03 Connection Layout programming Power supply Port bipolar stepper motor output term of line RS-485 port RS-485 port Unused Digital input termination of line CAN port... -
Page 83: Diagnostics
EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 DIAGNOSTICS The application can manage a whole series of alarms concerning compressors, fan, circuit, and functions. Based on the different types of alarms, you can configure their reset (manual or automatic), any delay in warning, and any action to be implemented in that particular case. -
Page 84: Alarm Table
EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 10.4 Alarm Table All the alarms managed by the application are listed in the table below. The order of listing is the same order that the alarms are listed when active. - Page 85 EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 AC26 Compressor thermal switch #6 Compressor # 6 OFF AP21 Pump thermal switch #1 Pump # 1 OFF If the single pump switches off all the compressors and...
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Page 86: Alarm History
EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 Compressor discharge temperature probe Inhibits the functions that ES11 Auto circuit 1 use it Inhibits the functions that ES12 Compressor intake temperature probe circuit 1 Auto... - Page 87 EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 History Show alarms Status ok Element Show history Code Each element in the history is associated to the following information: • progressive number of the alarm •...
- Page 88 EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 page 88 of 90...
- Page 89 This document is the exclusive property of EVCO. Reproduction or disclosure without express authorisation of EVCO is prohibited. EVCO shall not be held liable for errors concerning the features and technical data described in this document and for any errors it may contain or that can arise from its use.
- Page 90 EVCO S.p.A. c-pro 3 nano CHIL | Application manual ver. 1.0 | Code 144CP3NCHE104 EVCO S.p.A. Via Feltre 81, 32036 Sedico Belluno ITALY Tel. 0437/8422 | Fax 0437/83648 info@evco.it | www.evco.it page 90 of 90...
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