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Related Manuals for Evco c-pro 3 OEM HRV
Summary of Contents for Evco c-pro 3 OEM HRV
- Page 1 3 OEM HRV Controller for advanced controlled mechanical ventilation units Application handbook ver. 4.0 August 2020 | ENGLISH Code 144CP3OHE404 TheInnovationEvolution...
- Page 2 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 IMPORTANT Read this document thoroughly before installation and before use of the device and follow all recommendations; keep this document with the device for future consultation.
- Page 3 Passwords ......................................43 Main page ......................................43 Meaning of display icons on c-pro 3 OEM HRV and on EVJLCD and EPJ LCD interfaces ................... 44 EPJgraph and EPcolor user interface ................................ 45 c-pro 3 OEM HRV display and EVJ LCD and EPJ LCD user interfaces......................46 General menu ......................................
- Page 4 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 7.12 Re-heating coil set-up ................................... 95 7.13 Heat exchanger set-up ..................................96 7.14 Setup using machine code ..................................97 7.15 Fans ........................................99 7.16 Digital step regulation (PF01 = 0) ................................99 7.17...
- Page 5 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 8.17 Warm-up damper ....................................122 8.18 Recovery heat exchangers ................................... 123 8.18.1 Cross-flow heat exchanger ..............................123 8.18.2 Double coil recovery heat exchanger ............................ 125 8.18.3 Rotating heat exchanger ..............................
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Page 6: Preliminary Notes
Preliminary notes The c-pro 3 OEM HRV programmable controller has been designed for the advanced management of mechanical ventilation units to renew and treat air in household settings. It complies with the increasingly stringent regulations governing air quality and energy certification in buildings. - Page 7 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 Models available, technical features and purchase codes The following table outlines the models available, purchase codes and technical features of c-pro 3 OEM HRV controllers. Format 8 open DIN modules •...
- Page 8 EVJD900N2VWIV EVJD920N2VW EVJD920N2VWIV EVJD902N9VP EVJD902N9VPIV EVJD922N9VP EVJD922N9VPIV Purchase code With INTRABUS communications protocol The EVJ LCD user interfaces are also available in the version for panel installation; for further information, please contact the EVCO sales network. page 8 of 138...
- Page 9 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 The following table outlines the models available, the purchase codes and the technical features of the EPJ LCD user interfaces. Format 111.4 x 76.4 mm •...
- Page 10 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 La seguente tabella illustra i modelli disponibili, i codici di acquisto e le caratteristiche tecniche delle interfacce utente EPJgraph. Format 111.4 x 76.4 mm • •...
- Page 11 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 The following table outlines the models available, the purchase codes and the technical features of the EPcolor S user interfaces. Format 111.4 x 76.4 mm •...
- Page 12 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 The following table outlines the models available, the purchase codes and the technical features of the EVD EXP user interfaces. Format 4 closed DIN modules •...
- Page 13 DESCRIPTION Description of c-pro 3 OEM HRV The following diagram shows the appearance of the c-pro 3 OEM HRV controllers. The following table illustrates the meaning of the parts of the c-pro 3 OEM HRV controllers. PART MEANING plug-in screw terminal blocks, male only, for digital outputs (fixed screw terminal blocks in model EPB9ORX1AH)
- Page 14 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 Description of EVJ LCD and EPJ LCD The following diagram shows the appearance of user interfaces EVJ LCD and EPJ LCD. The following table illustrates the meaning of the parts of the user interfaces EVJ LCD and EPJ LCD.
- Page 15 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 Description of EPJgraph The following diagram shows the appearance of the EPJgraph user interfaces. The following diagram illustrates the meaning of the parts of the EPJgraph user interfaces.
- Page 16 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 Description of EPcolor S The following diagram shows the appearance of the EPcolor S user interfaces. The following diagram illustrates the meaning of the parts of the EPJgraph user interfaces.
- Page 17 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 Description of EVD EXP The following diagram shows the appearance of the EVD EXP I/O expansions. The following table illustrates the meaning of the parts of the EVD EXP I/O expansions.
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Page 18: Dimensions And Installation
To install the c-pro 3 OEM HRV controllers, follow the indications outlined in the following diagram. To remove c-pro 3 OEM HRV controllers, first use a screwdriver to remove any plug-in screw terminal blocks inserted in the lower part, then open the clip on the DIN rail with a screwdriver as illustrated in the following diagram. - Page 19 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 Description and installation of EVJ LCD and EPJ LCD The following diagram shows the dimensions of the EVJ LCD and EPJ LCD user interfaces for wall installation. The dimensions are expressed in mm (in).
- Page 20 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 Dimensions and installation of EPJgraph The following diagram illustrates the EPJgraph user interface dimensions for panel installation. The dimensions are expressed in mm (in). They are designed to be fitted to a panel, with elastic holding flaps.
- Page 21 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 Dimensions and installation of EPcolor S The following diagram illustrates the EPcolor S user interface dimensions for panel installation. The dimensions are expressed in mm (in).
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Page 22: Advice For Installation
EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 Dimensions and installation of EVD EXP The following diagram shows the appearance of the EVD EXP I/O expansions (4 DIN modules). The dimensions are expressed in mm (in). -
Page 23: Electric Connection
The following diagram shows the appearance of the c-pro 3 OEM HRV controllers. The following tables outline the meaning of the parts of the c-pro 3 OEM HRV controllers. The first column shows the references for the open models while the second column shows those for the closed models. - Page 24 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 Connector 4 DESCRIPTION DIHV1 DI1 high voltage digital input DIHV1 DI1 high voltage digital input DIHV2 DI2 high voltage digital input DIHV2 DI2 high voltage digital input...
- Page 25 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 EVJ LCD connectors The following diagram illustrates the EVJ LCD user interface connectors for wall installation. The following tables illustrate the meaning of the EVJ LCD user interface connectors for wall installation.
- Page 26 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 EPJ LCD connectors The following diagram illustrates the EPJ LCD user interface connectors for wall installation. The following tables illustrate the meaning of the EPJ LCD user interface connectors for wall installation.
- Page 27 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 Connector 2 Part Meaning AI2 analogue input (NTC) AI1 analogue input (NTC) AI1 and AI2 analogue input reference (GND) signal (+) CAN port signal (-) CAN port EPJgraph connectors The following diagram illustrates the EPJgraph user interface connectors for panel installation.
- Page 28 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 Micro-switch to insert the CAN port termination resistor. The following diagram shows the EPJgraph user interface connectors for wall installation. EPcolor S connectors The following diagram illustrates the EPcolor S user interface connectors for panel installation.
- Page 29 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 The following diagram shows the meaning of the EPcolor S user interface connectors for wall installation. Connector 1 Part Meaning signal - CAN port signal + CAN port device power supply (24 VAC/ 12...
- Page 30 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 EVD EXP connectors The following drawing illustrates the EVD EXP I/O expansion connectors. The following table illustrates the meaning of the EVD EXP I/O expansion connectors.
- Page 31 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 reference (GND) IN6 analogue input reserved auxiliary power supply (12 VDC, 40 mA) OC1 open collector output (12 V, max. 40 mA) reference (GND) Connector 5...
- Page 32 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 EPJgraph user interface To terminate the CAN port, put micro-switch 2 to ON. EPcolor S user interface To terminate the RS-485 MODBUS port, put micro-switch 1 to ON.
- Page 33 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 Example of electrical connection of a c-pro 3 OEM HRV controller The following diagram gives an example of the electrical connection of c-pro 3 OEM HRV controllers. To configure the I/O, refer to the “LIST OF PARAMETERS” section.
- Page 34 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 In this example, EVJ LCD is powered by a device. CAUTION: make sure that the current supplied by the controller falls within the limits outlined in the TECHNICAL SPECIFICATIONS section the maximum connection cable length allowed for the INTRABUS port is 10 m (32.8 ft).
- Page 35 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 4.10 Example of electrical connection of an EPJ LCD user interface The following diagram gives an example of the electrical connection of an EPJ LCD user interface for wall installation.
- Page 36 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 The following diagram gives an example of the electrical connection of an EPJ LCD user interface for wall installation, with a rear slot for a flush-mount box.
- Page 37 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 In this example, EPJgraph is powered by a device. CAUTION: make sure that the current supplied by the controller falls within the limits outlined in the TECHNICAL SPECIFICATIONS section the maximum connection cable length allowed for the CAN port is 10 m (32.8 ft).
- Page 38 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 In this example, EPJgraph is powered by a device. CAUTION: make sure that the current supplied by the controller falls within the limits outlined in the TECHNICAL SPECIFICATIONS section the maximum connection cable length allowed for the CAN port is 10 m (32.8 ft).
- Page 39 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 In this example, EPcolor S is powered by a device. CAUTION: make sure that the current supplied by the controller falls within the limits outlined in the TECHNICAL SPECIFICATIONS section the maximum connection cable length allowed for the CAN port is 10 m (32.8 ft).
- Page 40 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 In this example, EPcolor S is powered by a device. CAUTION: make sure that the current supplied by the controller falls within the limits outlined in the TECHNICAL SPECIFICATIONS section the maximum connection cable length allowed for the CAN port is 10 m (32.8 ft).
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Page 41: User Interface
EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 USER INTERFACE EPJgraph keypad and display The air handling unit is capable to manage up to two EPJgraph displays, in case you want to have a local user interface installed on the unit panel and an interface of the same type to be connected remotely. - Page 42 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 Fan icon: “Hollow”: Fans are off. “Solid”: At least 1 fan is on. Water coil icon: Absent: Coils are off. Present: At least 1 water coil is active.
- Page 43 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 History menu (level 0) Displays the alarm history SAVE/RESTORE menu (3 levels) Menu SAVE/RESTORE section (save parameters) Menu SAVE/RESTORE section (restore parameters) Menu SAVE/RESTORE section import/export parameters Info menu (level 0).
- Page 44 Meaning of display icons on c-pro 3 OEM HRV and on EVJLCD and EPJ LCD interfaces The meaning of the lights on the LED display are given in the following table for the c-pro 3 OEM HRV controller and the EVJ LCD and EPJ LCD user interfaces.
- Page 45 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 if flashing, it indicates for which day the time bands are being altered if on, indicates the day of the week If on, the comfort time band is on...
- Page 46 3 OEM HRV display and EVJ LCD and EPJ LCD user interfaces In the c-pro 3 OEM HRV user interface and the remote interfaces for EVJ LCD and EPJ LCD, the individual status pages for the configured utilities (except for the set- tings page) can be displayed using the LEFT/RIGHT keys.
- Page 47 Main page with only the temperature probe configured In c-pro 3 OEM HRV, pressing the LEFT and RIGHT keys together for 3 seconds on this page, changes the Summer/Winter machine status. This procedure does not work on the EVJ LCD and EPJ LCD user interfaces.
- Page 48 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 EVJ LCD and EPJ LCD user interface On these screens, you can display the probe/sensor (temperature in decimals and ppm/Pa/m3h expressed in tens) indicated with “rEG”, the supply fan status and speed indicated with "SUP”...
- Page 49 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 EVJ LCD and EPJ LCD user interface On these pages, it is possible to view the current setpoint (SEt), the coil request (VAL) and its status (dO) if an on/off or 3-point regulation is used (---- = no coil with 3-point check or on/off configured, CLOS = coil with 3-point check closed, OPnG = coil with 3-point check opening, OPEn = coil with 3-point check open, CLnG = coil with 3-point check closing, ALIn = coil with 3-point check alignment, OFF = on/off coil off, On = on/off coil on).
- Page 50 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 EVJ LCD and EPJ LCD user interface On these pages, you can view the current setpoint (SEt), coil request (VAL), the value of the analogue output (AO) of the water coil or modulating electric coil and the...
- Page 51 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 Heating element status page EPJgraph EPcolor The status of the following is displayed: the heating elements, regulation sensor value, current setpoint, neutral zone and bandwidth values, modulating heating ele- ment request and digital heating element status.
- Page 52 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 Damper status page for air recirculation EPJgraph EPcolor The following are displayed: the status of the warm-up damper for reaching the operating temperature, the status of the external air damper, the Free-cooling/heating request, the air quality request, the status of the mixing chamber damper, the analogue output value and status if an on/off or 3-point regulation is used.
- Page 53 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 Circulation pumps status page EPJgraph EPcolor The status of the circulation pumps is displayed. EVJ LCD and EPJ LCD user interface On these pages, it is possible to view the status of pump 1 (PP1) and pump 2 (PP2).
- Page 54 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 Sensors status page EPJgraph EPcolor The status of the sensors is displayed. EVJ LCD and EPJ LCD user interface On these pages, it is possible to display the status of the sensors indicated with this label: Supply t.
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Page 55: General Menu
3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 General menu The general menu is the access point for all the other system menus (in brackets the equivalent displayed by the c-pro 3 OEM HRV display and the EVJ LCD and EPJ LCD user interface). -
Page 56: Installer Menu
The installer menu is level 3, so you must enter the installer level password (or higher) to view/modify the parameters in this section (in brackets the equivalent dis- played by the c-pro 3 OEM HRV display and the EVJ LCD and EPJ LCD user interface). -
Page 57: Alarm History Menu
<-> Firmware revision <-> To scroll through this information in the c-pro 3 OEM HRV controller and the EVJ LCD and EPJ LCD user interface, use the UP and DOWN keys. To return to the applica- tion page, press the ESC key. -
Page 58: List Of Configuration Parameters
EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 LIST OF PARAMETERS The list of parameters managed by the application is given below. A brief description of each parameter is given, plus the range of admissible values, the units of measurement, the suggested default value and the menu containing the parameter. - Page 59 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 Code Parameter description Default U.M. Menu Notes Tuesday band type 2 – Operation Tuesday time band 2 – Starting time 07:30:00 00:00:00 23:59:59 Tuesday band type 3 – Operation Tuesday time band 3 –...
- Page 60 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 Code Parameter description Default U.M. Menu Notes Sunday time band 2 – Starting time 06:00:00 00:00:00 23:59:59 Sunday band type 3 – Operation Sunday time band 3 – Starting time...
- Page 61 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 Code Parameter description Default U.M. Menu Notes bkU present only on EVJ/EPJ display Backlight percentage EVJ/EPJ LCD If the TH probes are present, it is forced...
- Page 62 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 Code Parameter description Default U.M. Menu Notes PM82 Calibration of the supply air temperature sensor -10.0 10.0 °C MA-CA PM83 Calibration of the room humidity sensor...
- Page 63 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 Code Parameter description Default U.M. Menu Notes Probe active for automatic conversion 0: External temperature PC63 IS-R 1: Coil 1 temperature 2: Room/return temperature FANS PF01=0 or 1...
- Page 64 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 Code Parameter description Default U.M. Menu Notes Pb02=0 integral Integral time for regulating the cooling and heating action not present Pb02 IS-B valves Pb03 Neutral zone for temperature regulation 20.0...
- Page 65 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 Code Parameter description Default U.M. Menu Notes DAMPERS Type of Free-Cooling / Free-Heating PS01 0: Disabled IS-SE 1: Free-Cooling / Free-Heating in temperature Damper control type...
- Page 66 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 Code Parameter description Default U.M. Menu Notes Regulation probe for auxiliary 1: 0: Disabled 1: Supply temperature 2: Return temperature 3: Outdoor temperature 4: Discharging temperature...
- Page 67 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 Code Parameter description Default U.M. Menu Notes Regulation probe for auxiliary 1: 0: Disabled 1: Supply temperature 2: Return temperature 3: Outdoor temperature 4: Discharging temperature...
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Page 68: Various Parameters
EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 Code Parameter description Default U.M. Menu Notes PH13 ModBus slave parity (0=none, 1=odd, 2=even) IS-M PH14 ModBus slave stop bit (0=1bit, 1=2bit) IS-M VARIOUS PARAMETERS PH03 Minimum value cooling setpoint 20.0... - Page 69 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 Code Parameter description Default U.M. Menu Notes Type of fan regulation 0: Digital temperature regulation in steps 1: Modulating temperature regulation 2: Constant pressure regulation PF01...
- Page 70 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 Code Parameter description Default U.M. Menu Notes Return fan percentage delta in heat exchanger de- PF32 10.00 0.00 100.00 CO-F frost Constant pressure/flow fan start-up speed PF46 60.00...
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Page 71: Direct Expansion
EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 Code Parameter description Default U.M. Menu Notes Pre-heating modulation percentage variation Pb43 50.0 CO-B Pb44 Coil 1 run time with 3-point check 3600 CO-B Pb45 Extra time for coil 1 limit switch with 3-point check... - Page 72 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 Code Parameter description Default U.M. Menu Notes PU05 Enable functional limit for dehumidification NO (0) NO (0) YES (1) CO-U Humidity regulation sensor: PU06 0: Room/return...
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Page 73: Safety Devices
EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 Code Parameter description Default U.M. Menu Notes PUMP Pump regulation type PP01 0: Continuous operation CO-P 1: Temperature regulation on request Only if PP01=1 PP02 Setpoint on the control ramp for pump start-up PP03 90.0... - Page 74 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 Code Parameter description Default U.M. Menu Notes PA51 Low pressure alarm by-pass time CO-S PA52 Low pressure alarm delay CO-S PA53 Number of low pressure alarm interventions...
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Page 75: Configuration Parameters
EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 Code Parameter description Default U.M. Menu Notes PH58 AO pre-heating coil polarity 0 (0-10 V) 0 (0-10 V) 1 (10-0 V) CO-V Direct expansion AO polarity... - Page 76 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 Code Parameter description Default U.M. Menu Notes PG12 Enables dehumidification SI (1) NO (0) SI (1) CO-C Type of heat recovery 0: Disabled PG13 1: With cross flows...
- Page 77 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 Code Parameter description Default U.M. Menu Notes Kind of sensor AI5 (IN3/M3): 0: DI 1: NTC Pi05 CO-AI 2: PTC 3: Pt1000 4: Ni1000 HA06 Allocation AI6 (IN6/M6)
- Page 78 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 Code Parameter description Default U.M. Menu Notes Available only Kind of sensor AI3 (IN3) expansion: PG15=1 Pi13 0: DI CO-AI 1: NTC HA14 Allocation AI4 (IN4) expansion...
- Page 79 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 Code Parameter description Default U.M. Menu Notes HB06 Allocation DI2 (IN7) expansion CO-DI Available only PG15=1 HB07 Allocation DI3 (IN8) expansion CO-DI Available only PG15=1 AO HARDWARE PARAMETERS...
- Page 80 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 Code Parameter description Default U.M. Menu Notes HCF5 Frequency/period PWM AO5 2000 Hz/Sec CO-AO Available only PG15=1 HCF6 Frequency/period PWM AO6 2000 Hz/Sec CO-AO Available only...
- Page 81 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 3.0 | Code 144CP3OHE304 I/O Table AI (Analogue Inputs) pa- Summer Winter NC rameters Remote on-off NC Differential pressure switch supply filters level 1 NC AI1-2-3 c-pro 3 OEM HRV - AI1-2 EVD EXP...
- Page 82 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 Set 2 fans NO Humidifier alarm NC Set 3 fans NO Outdoor damper air limit switch NC Booster fans NO Return fan thermal switch NC Auxiliary 1 NO...
- Page 83 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 Differential pressure switch return filter level 2 NO Re-heating heater thermal switch NC Differential pressure switch return filter level 3 NO Heat pump operating mode NC...
- Page 84 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 Outdoor damper air limit switch NO Auxiliary 1 NC Humidifier alarm NO Light alarm NC Electric coil thermal switch NO Step 2 re-heating electric coil NC...
- Page 85 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 V1 supply fan NC (enabling) NC Step 2 re-heating electric coil NO Disabilitato Light alarm NO V1 supply fan NC (enabling) NO Auxiliary 1 NO V2 supply fan NO...
- Page 86 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 Opening coil 1 NC Auxiliary 2 / Second step DX coil NO Warm up damper NC Important alarm NO Second coil pump command NC Summer Winter NO...
- Page 87 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 For the analog outputs it is possible to choose via parameters Po01...Po08 belonging to manufacturer menu – section hardware AO the kind of sensor. The available sensors are:...
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Page 88: Operating Mode Control
EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 3.0 | Code 144CP3OHE304 Adjustments Machine status There are several ways to switch the unit on/off, switching on the unit is the combination of all the methods, i.e. all the switching on methods enabled must be active at the same time for the unit to switch on: By pressing the appropriate On/Off key (Stand-BY/ESC key, function enabled by parameter PH05). -
Page 89: Set Real Time Clock
EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 Through automatic mode change function (function enabled by parameter PH08=1 and MOdE=2 or PH08=2). Setting - when the value of the external air temperature or the coil 1 temperature or the return air temperature (parameter PC63) exceeds the summer changeover setpoint (parameter PC61), the unit switches to summer operating mode. - Page 90 The screens are shown below in which the system can be configured. If you are using the c-pro 3 OEM HRV controller or the EVJ LCD or EPJ LCD user interface, you can scroll the various configuration choices using the UP/DOWN keys. To confirm the choices, hold the SET button down.
- Page 91 If “DO” configured in previous screen, therefore by digital output, the fan speed will now be set by selecting 1, 2 or 3. c-pro 3 OEM HRV display and EVJ LCD and EPJ LCD user interfaces If “do” configured in previous screen, therefore by digital output, the fan speed will now be set by selecting 1, 2 or 3.
- Page 92 2 steps. c-pro 3 OEM HRV display and EVJ LCD and EPJ LCD user interfaces Screens to configure direct expansion type, select “AO” for modulating direct expansion, “1do” for digital direct expansion with 1 step or “2do” for digital direct expan- sion with 2 steps.
- Page 93 Screen to configure the type of coil 2, select “No” if coil not present, “Water” for a water coil or “Electric” for an electric coil. c-pro 3 OEM HRV display and EVJ LCD and EPJ LCD user interfaces Screen to configure the type of coil 2, select “nonE” if coil not present, “H2O” for a water coil or “ELEC” for an electric coil.
- Page 94 EPJgraph EPcolor c-pro 3 OEM HRV display and EVJ LCD and EPJ LCD user interfaces If the heating elements have been configured in the previous screen as modulating heating element plus digital heating elements (AO+DO), the number of digital heat- ing element steps must be set.
- Page 95 Screen to configure the type of pre-heating coil, select “No” if not present, “Water” for a water coil or “Electric” for an electric coil. c-pro 3 OEM HRV display and EVJ LCD and EPJ LCD user interfaces Screen to configure the type of pre-heating coil, select “nonE” if not present, “H2O” for a water coil or “ELEC” for an electric coil.
- Page 96 3 OEM HRV display and EVJ LCD and EPJ LCD user interfaces Screens to configure the type of post-heat heating elements, select “AO” for modulating heating elements, “DO” for digital heating elements or “AOdo” for modulating heating element and digital heating element with sawtooth regulation.
- Page 97 Once the heat exchanger has been configured, the wizard will finish, the parameters will be set with the configurations selected and the following screen will appear: EPJgraph EPcolor c-pro 3 OEM HRV display and EVJ LCD and EPJ LCD user interfaces 7.14 Setup using machine code If you chose to configure the machine using machine code in the first page, the following screen will appear:...
- Page 98 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 In the displays of c-pro 3 OEM HRV and the EVJ LCD and EPJ LCD user interfaces, you can move between the code elements by using the UP and DOWN keys. Press the SET key to confirm the configuration of an element.
- Page 99 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 R: Rotary digital 7.15 Fans The type of fans are configured preliminarily in the SETUP operation carried out by the installer during the start-up operations to define the type of machine used.
- Page 100 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 SetPoint Speed 3 Speed 2 Speed 1 PF02 T. regulation 7.17 Modulating temperature regulation (PF01 = 1) This regulation performs a more accurate control than the digital regulation of the heating (winter operation) or cooling power (summer operation), focusing on energy saving in particular.
- Page 101 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 PF01: Fan regulation type PF02: Fan speed regulation differential PF03: Minimum fan speed PF04: Maximum fan speed PF06: Modulating or manual step regulation value 7.18 Constant pressure/flow regulation (PF01 = 2) (PF01 = 3) Connecting a pressure/flow sensor to the unit makes it possible to adjust the fan speed and keep it constant.
- Page 102 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 7.19 AQ step regulation (PF01 = 4) This regulation is the same as the digital one in temperature steps, but is based on the air quality probe which must be connected and configured.
- Page 103 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 7.21 Time band regulation (PF01 = 6) When manual regulation is selected by pressing and holding down keys (UP/ DOWN), it is possible to increase or decrease the fan speed (both on-off and modulating).
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Page 104: Fan Status
EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 The function will remain active for a time defined by parameter PF58 if it has been activated by pressing a key or until the digital input is opened if it has been activat- ed by digital input. -
Page 105: Main Controls
EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 7.29 Ambient temperature probe error If an error occurs on the control probe, the speed defined by the manual set point FSM will be used or if the time bands are active, the set point of the active time band (FSC, FSE or FSN depending on the band). - Page 106 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 Cascade control This adjustment involves the modification of the supply threshold in relation to the deviation between setpoint and return/room temperature as indicated in the dia- gram.
- Page 107 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 HEATING: Proportional regulation of the heating coil. Heating request 100% NZ Pb03 Pb01: Diff T. regulation If an error occurs on the regulation probe, it is possible to select the valve opening value during the alarm by setting the parameters Pb10 and Pb11.
- Page 108 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 3-point control of water coils In addition to modulating and on-off regulation, a 3-point control can also be set using two digital opening control outputs and the closing of the water valve. To enable this control, both opening and closing relays of the relevant coil must be configured.
- Page 109 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 Pre-heating coil The program also controls a third coil for pre-heating which can be either water or electric (parameter PG08). It is possible to set 3 types of control: - modulating by configuring an analogue output with 3 points by configuring 2 digital outputs, one as “pre-heating coil opening”...
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Page 110: Pre-Heating Function
EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 precise regulation in that the integral part brings the output to working order thus reducing the error introduced by the proportional component only (by default the integral component is disabled). - Page 111 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 This function, when the machine is turned on, activates all the hot water coils present for a modulated duration based on the outside temperature, from 0 minutes when the temperature exceeds the setpoint (parameter Pb12) to a maximum (parameter Pb14) when the temperature falls below the setpoint minus a differential (pa- rameter Pb13).
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Page 112: Direct Expansion Coil
EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 • < P (Minimum power supplied by the modulating heating element) Both the modulating and ON-OFF heating elements stay off. MOD-MIN • The modulating heating element is switched on at minimum power. - Page 113 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 8.12.1 1-step direct expansion coil To use the 1-step regulation, set parameter PG07=1. COOLING SETC: Summer setpoint NZ Pb03 Return T Pb01: Diff HEATING SETH: Winter setpoint...
- Page 114 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 HEATING SETH: Winter setpoint NZ Pb03 1 STEP Pb01/2 Return T. Pb01: Diff 8.12.3 Modulating direct expansion coil To use the modulating regulation, set parameter PG07=3.
- Page 115 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 COOLING Analog output (V) PE17 PE16 Coil request % 100% HEATING Analog output (V) PE19 PE18 Coil request % 100% 8.12.4 Compressor switch-on sequence In a configuration with 2 On-Off compressors, the compressors are switched on in steps. It is possible to choose the rotation of the compressors by acting on parame- ter PE13 choosing between a rotation with a fixed sequence and a rotation that considers the number of hours and starting points of the single compressor.
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Page 116: Compressor Status
EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 The active defrost phase will end when the temperature detected by the relevant probe exceeds the defrost end threshold (parameter PE08). If this condition is not reached within the maximum defrost time (parameter PE09), the active defrost phase is still completed and the dripping phase will start, the duration of which is set by parameter PE10. -
Page 117: Pump Status
EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 The pump is switched off by the unit switch-off command, cancelling any timing still active. 8.13.3 Pump status Both pumps may assume any of the following operating states: Disabled: the pump is not managed by the controller. - Page 118 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 This action has a more immediate effect on the temperature and also enables energy saving, optimising control of the coil. When the dehumidification request is active the action limit’s objective will be to limit the dehumidification in order to prevent continuously cooling the air (caused by dehumidification) and, as a result, to always request more heat to the heating (and re-heating) coils.
- Page 119 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 PU11: Set Point PU12: Diff. Supply T. If the supply probe is in error, the function will be inhibited and the humidifier will switch on/off at the normal percentage setpoint.
- Page 120 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 8.15.4 Maximum humidification adjustment (in supply) The maximum humidity probe (in supply) can be connected to the controller to avoid excessive humidity in the supply duct.
- Page 121 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 With this type of adjustment only, if the time bands are enabled, the percentage that the damper opens will adjust to the value defined by the parameters DSC (Com- fort band), DSE (Economy band) and DSN (Night band) based on the active time band.
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Page 122: Air Quality Control
EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 WINTER operation/HEATING: Free-Heating Set Point supply 100 % Heating coil NZ Pb03 External air dampers regulated in Free-Heating Pb01/2 Regulation T. Pb01 If one of the probes involved in regulation is in error mode, free-cooling/free-heating regulation can no longer be used and the heating/cooling ramps regulate based on the total regulation differential. -
Page 123: Cross-Flow Heat Exchanger
EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 - Sniffing disabled and no fan request: the fans stay switched off - Sniffing disabled, fan request and PF57="Off": supply fan started at the requested speed - Sniffing disabled, fan request and PF57="On": supply and return fan started at the requested speed... - Page 124 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 lower than the setpoint, the delivery fan speed will be proportionally decreased with respect to the return fan speed up to the maximum differential (parameter PF32), always taking into account any speed balance (parameter PF28) which remains valid.
- Page 125 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 the damper will decrease until it returns to the percentage required. This regulation is based on a neutral zone with set point Pr09, band Pr10, increase step Pr12 and time Pr11.
- Page 126 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 To prevent this event, an attempt is made to prevent the temperature of the flow of expelled air from falling too low by keeping the temperature of the expelled air or the external temperature monitored if the expulsion probe is not present and, when needed, first by slowing down only the cooling fan.
- Page 127 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 - enabling auxiliary regulation even with the machine off - delay from the activation of the digital alarm input which blocks the auxiliary regulation By configuring an "Auxiliary" digital input it will be possible to directly control the auxiliary digital output upon activation of the digital contact.
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Page 128: Automatic Daylight Saving Time
EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 MANAGEMENT OF OTHERS Some auxiliary adjustments are envisaged, briefly described in the following sections. Compensation for setpoint For summer mode only (parameter MOdE=0=CooL), the cooling adjustment requests compensation of the room regulation setpoint according to the external tempera- ture (parameter PC01 enables summer setpoint compensation). -
Page 129: Manual And Automatic Alarms
EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 DIAGNOSTICS The application is capable of managing a set of alarms relating to the fans, pumps, probes and other system functions. Depending on the type of alarm it is possible to configure a manual or automatic re-arm, a delay in signalling the alarm and any action to be taken in specific situa- tions. - Page 130 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 AL10 Generic alarm (*²) Shuts down all devices Configurable Switches fans off and closes damper AL11 Anti-freeze Auto Forces heating coil at 100% Configurable Forces cooling coil at 0%...
- Page 131 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 AL49 Operating hours - compressor 1 Manu*¹ Display AL50 Operating hours - compressor 2 Manu*¹ Display AL51 Supply air pressure switch filters level 2 Display Configurable...
- Page 132 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 During normal operation, the flow sensor is continuously monitored: if the contact signals there is no flow for a period longer than parameter PA29, the alarm is trig- gered.
- Page 133 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 ACCESSORIES 11.1 Accessories for c-pro 3 OEM HRV INTRABUS/RS-485 serial interface (EVIF22ISX) Makes it possible to convert the INTRABUS signal into an RS-485 signal. USB extension cable (0810500018) Makes it possible to connect via a USB to a personal computer or other device with a USB port.
- Page 134 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 2,2 KW @ 230 VAC single-phase inverter (EI2K2M2C04O0VXX) It allows a modulating control of asynchronous motors. Serial probe (EVJP920N9VP) Using the probe it is possible to read the temperature and humidity value and transmit it via INTRABUS.
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Page 135: Technical Specifications
EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 TECHNICAL SPECIFICATIONS The following table outlines the technical specifications of the c-pro 3 OEM HRV controllers. Purpose of the control device operating control device Construction of the control device... - Page 136 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 Analogue inputs 4 for PTC, NTC or Pt 1000 probes (can be configured also for dry contact digital input) 3 for NTC probes, 0-5 V, 0-10 V, 0-20 mA or 4-20 mA transducers (can also be configured for dry contact digital input) KTY 81-121 (990 Ω...
- Page 137 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 c-pro 3 OEM HRV Controller for advanced controlled mechanical ventilation units Application manual ver. 4.0 PT - 35/20 Code 144CP3OHE404 In accordance with the European Declaration of Conformity R&TTE, the EVJ...
- Page 138 EVCO S.p.A. c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404 EVCO S.p.A. Via Feltre 81, 32036 Sedico Belluno ITALY Tel. +39 0437/8422 | Fax +39 0437/83648 info@evco.it | www.evco.it page 138 of 138...
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