Table of Contents
Advertisement
Quick Links
Advertisement
Table of Contents
Related Manuals for Evco c-pro 3 micro AHU
Summary of Contents for Evco c-pro 3 micro AHU
- Page 1 EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 c-pro 3 micro AHU c-pro 3 kilo AHU PROGRAMMABLE CONTROLLERS FOR AIR HANDLING UNITS ENGLISH APPLICATION MANUAL ver. 1.0 CODE 144CP3UKAHE104 page 1 of 104...
- Page 2 EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 Important 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: Table Of Contents
EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 Index GENERALITIES ............................6 Description ............................6 Applications ............................6 User interface ............................6 Dimensions of the controllers ....................... 7 2.1.1 Control module c-pro 3 micro AHU dimensions ................7 2.1.2... - Page 4 EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 Operating mode control ........................49 Setting the RTC ..........................50 Plant set-up ............................. 50 5.8.1 Set-up of the heat recovery device ..................... 50 5.8.2...
- Page 5 EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 5.17.4 Recovery device status ......................83 5.18 Heating/cooling pumps ........................83 5.18.1 Continuous control ....................... 83 5.18.2 Control On/Off ........................83 5.18.3 Pump status ........................84 5.18.4...
-
Page 6: Generalities
The controllers are available in the blind version and can be powered both con direct and alternating current, with 12 VAC power supply in the case of the: c-pro 3 micro AHU and with 24 VAC/DC power supply in the event of the controller: c-pro 3 kilo AHU. -
Page 7: Dimensions Of The Controllers
2.1.2 Control module c-pro 3 kilo AHU dimensions 4 DIN modules, the dimensions are expressed in mm (in). Removable spring terminal boards The c-pro 3 micro AHU/ c-pro 3 kilo AHU controllers scan be managed via the Vroom interface. page 7 of 104... -
Page 8: User Interface (Vroom)
EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 2.2 User interface (Vroom) There are the three following possibilities for mounting the user interface (remote) Vroom: 2.2.1.1 Recessed in the wall in 506E box (Rotated by 90°) 2.2.1.2... -
Page 9: User Interface (Remote) Vroom
EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 2.3 User interface (remote) Vroom 2.3.1 Screens and keypads visible from Vroom The keyboard features 6 page-navigation and value-editing keys, which have the following functions: (UP/ DOWN): during editing, it modifies parameters;... -
Page 10: Display That Can Be Viewed From The Vroom Interface
EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 2.4 Display that can be viewed from the Vroom interface From the ages of the LCD screen of the associated user interface (Vroom), the following icons can be displayed:... -
Page 11: List Of
EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 3 List of pages This chapter describes the main pages and menus featured in the application. As already described earlier, the general menu is subdivided into four submenu levels: user, maintenance operator, installation operator, and configuration. -
Page 12: Password
EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 3.1 Password A level is assigned to every menu that determines the accessibility to the various functions, via the password. Once the correct password is introduced, it is possible to access the protected functions, release the respective level and finally release the relative sub-levels. -
Page 13: Time Bands) Screen
EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 Summer/winter/alarm T1/T2/T3/Holiday/Economy(DI) time band V1/V2/V3/Analogue flow fan At least 1 water coil is on. RH coil steps At least 1 resistor on (or analogue >0) External air DO damper open/mixing chamber damper AO>0... -
Page 14: Regulation Status Of Coil 1 Screen
EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 3.2.4 Regulation status of coil 1 screen The regulation status of coil 1 is displayed 3.2.5 Regulation status of coil 2 screen The regulation status of coil 2 is displayed 3.2.6 Direct expansion coil regulation status screen... -
Page 15: Heating Elements Status Screen
EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 3.2.7 Heating elements status screen The status of the heating elements is displayed 3.2.8 Humidity regulation status screen The status of the humidity regulation is displayed in this screen 3.2.9 Status screen of the damper for air circulation... -
Page 16: Heat Recovery Status Screen
EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 3.2.10 Heat recovery status screen The status of the heat recovery is displayed 3.2.11 Circulation pumps status screen The circulation pumps status can be displayed 3.2.12... -
Page 17: General Menu
EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 3.3 General menu The general menu has no level and represents the access point for all the other system menus. TIME BANDS USER... -
Page 18: Installation Menu
EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 The operating value of the fan in manual mode and the steps can be set in the MANUAL menu. In the CALIBRATION menu, it is possible to set the corrections to be applied to analogue inputs, to compensate the offsets due to cabling and sensor positioning. -
Page 19: Rtc Menu
EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 Set maximum threshold values Set Modbus communication Enable secondary Set Point of change-over and supervisor Enable summer/winter modes from Digital inputs and supervisor... -
Page 20: Project And Firmware Versions
EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 3.9 Project and firmware versions Press simultaneously the UP+DOWN keys for about 2 seconds, then press the ENTER key on the InFolabel. Information on the project and controller firmware versions is displayed sequentially, namely: Project Number <->... -
Page 21: Parameter List
EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 4 Parameter list The parameters managed by the application are listed below. Each parameter is accompanied by a brief description, the range of its admissible values, units of measure, the assigned default value and the menu containing the parameter. -
Page 22: List Of Configuration Parameters
EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 4.1 List of configuration parameters Note: Once the machine parameters have been configured, and every time the configuration parameters are modified, it is advisable to shut down the machine and restart the plant, to enable the card to reconfigure itself correctly. - Page 23 EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 00:00: 23:59: Tuesday hour band 3 Wednesday type band 1 0: Disable 1: T1 2: T2 3: T3 00:00: 23:59: Wednesday hour band 1...
- Page 24 EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 Friday type band 1 0: Disable 1: T1 2: T2 3: T3 00:00: 23:59: Friday hour band 1 Friday type band 2 0: Disable...
- Page 25 EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 00:00: 23:59: Sunday hour band 1 Sunday type band 2 0: Disable 1: T1 2: T2 3: T3 00:00: 23:59: Sunday hour band 2...
- Page 26 EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 OE01 Economy Offset -20.0 20.0 °C PSd1 Password for User Level (1) -999 9999 Level 2 MAINTENANCE OPERATOR MENU CONTROL Limit maximum hours PM00 operation.
- Page 27 EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 Enable cycles for air quality sensors for PC05 ambient temperature (when probe is NO (0) NO (0) YES (1) IS-R restarting) Wait time prior to fan activation for air...
- Page 28 EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 PF17 Max. temperature of limitation 40.0 -15.0 70.0 °C IS-F PF18 Differentials for fan limitation 30.0 °C IS-F PF01=4 PF19 Air Quality regulation min set point...
- Page 29 EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 Enable flow limitation 0: Disabled Pb30 1: Heating IS-B 2: Cooling 3: Enabled Pb31 Cooling limitation set point 10.0 -15.0 70.0 °C IS-B...
- Page 30 EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 Damper command type 0: Only for Free-Cooling/Free-Heating 1: Only for controlling air quality PS03 2: Priority to the greater of the two IS-SE...
- Page 31 EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 – Unit Wait time for pump shutdown (only immediat PP04 IS-P with PP01=1) ely shuts down pump PROTECTION DEVICE Enable alarms during hours of fan...
- Page 32 EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 Resistor circuit breaker alarm reset type Auto Auto Manu PA34 0: Auto - Automatic IS-S 1: Manu - Manual Heating element circuit breaker alarm...
- Page 33 EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 PH18 Cancel alarm history NO (0) NO (0) YES (1) IS-V wait value Enable machine start-up/shut-down by PH19 NO (0) NO (0) YES (1)
- Page 34 EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 Type of external temperature sensor 0: PTC 1: NTC PH42 IS-V 2: PT1000 3: NTC 10K-2 4: NTC 10K-3 Type of return/environment humidity...
- Page 35 EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 Logic for Digital inputs used for the PH52 NO (0) NO (0) NC (1) IS-V alarm air flow Logic for Digital inputs used for alarm...
- Page 36 EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 Type of return fan AO sensor 1=0-20mA PH83 IS-V 2=4-20mA 3=0-10V Type of mixing chamber damper AO sensor PH84 1=0-20mA IS-V 2=4-20mA 3=0-10V...
- Page 37 EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 Coil 1 mode 0: Disabled PG04 1: Cooling IS-C 2: Heating 3: Cooling/Heating Coil 2 type 0: Disabled PG05 IS-C 1: Water 2: Heating elements...
- Page 38 EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 Assignment AI8 HA08 IS-AI (see table par. 4.1.1) Assignment AI9 HA09 IS-AI (see table par. 4.1.1) HARDWARE DI PARAMETERS Assignment DI1 HB01 IS-DI (see table par.
- Page 39 EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 Assignment DO5 HD05 IS-DO (see table par. 4.1.3) Assignment DO6 HD06 IS-DO (see table par. 4.1.3) Assignment DO7 HD07 IS-DO (see table par. 4.1.3)
-
Page 40: Ai Parameters I/O Table
EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 4.1.1 AI parameters I/O table AI1‐2‐3‐7‐8‐9 Code Description Notes Disabled Flow Temperature Always Return temperature External temperature Expelled air temperature Humidity in return mode... -
Page 41: Di Parameters I/O Table
EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 General alarm input Chiller unit defrosting Flow fan circuit breaker Return fan circuit breaker External air dampers end run Always Humidifier alarm Electric coil circuit breaker... -
Page 42: Do Parameters I/O Table
EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 4.1.3 DO parameters I/O table Code Description Notes Disabled Supply fan V1 (abi.) Flow FAN v2 Flow fan V3 Return fan V1 (abi.) -
Page 43: Regulations
EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 5 Regulations 5.1 Machine status Several procedures exist for switching the unit ON and OFF: Using the dedicated ON/OFF key (this function is enabled via parameter PH05). -
Page 44: Alarm Off Status
EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 5.2 Alarm OFF status When the machine is turned on an additional status, OFF from alarm (Alarm Off) exists. This shuts down the unit, all devices, and closes the external air shutters completely until the alarm conditions are restored. -
Page 45: Electric Connections
EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 5.4 Electric connections 5.4.1 Machine electric connections with double flow page 45 of 104... - Page 46 EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 c-pro 3 micro AHU/ c-pro 3 kilo AHU – Double flow unit with ON-OFF ventilation (Water-Electric) Description Analogue inputs AI 1 Flow Temperature...
-
Page 47: Electric Connections
EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 5.5 Electric connections 5.5.1 Machine electric connections with single flow page 47 of 104... - Page 48 EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 c-pro 3 micro AHU/ c-pro 3 kilo AHU – Single flow unit with ON-OFF ventilation (Water-Electric) Description Analogue inputs AI 1 Flow Temperature...
-
Page 49: Operating Mode Control
EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 5.6 Operating mode control The operating modes can assume the following values: Parameter “MOdE” Description 0=COOL – SUMMER Summer operation 1=HEAT – WINTER... -
Page 50: Setting The Rtc
EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 5.7 Setting the RTC When the power supply is disconnected from the controller for a few days, the RTC (Real Time Clock) system clock loses its time. -
Page 51: Set-Up Of The Fans
EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 5.8.2 Set-up of the fans Screen from where it is possible to set the SETUP of the fans, activating with "DO" if from digital output or "AO" if from analogue output. -
Page 52: Set Up Of Coil 2 Type Configuration
EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 Screen from which the coil type can be configured (Coil 1 type), selecting with “Water” if water is chosen or selecting “RH” in the case of direct expansion. - Page 53 EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 If "Electric" has been chosen, the following screen will appear: Where successively the type of heating elements I am interested in can be selected: “DO1”, “DO”” in the case of digital heating elements or “AO”, if analogue...
-
Page 54: Table Of Types Of Configurable Machines
EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 5.9 Table of types of configurable machines Once the wizard parameters have been set, one of the 46 possible machines will have been set. - Page 55 EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 The possible I/O default configurations are the following: Double flow unit with ON-OFF ventilation (9 possible configurations) Code Coil 1 Water (F) Water (F)
- Page 56 EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 Double flow unit with modulating ventilation (9 possible configurations) Code Coil 1 Water (F) Water (F) Water (F) Water (C/F) Water (C/F) Water (C/F)
- Page 57 EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 Single flow unit with ON-OFF ventilation (14 possible configurations) Code Water Water Water Coil 1 Water (F) Water (F) Water (F) Water (C)
-
Page 58: Fans
EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 Disabled Disabled Disabled Disabled Disabled Disabled Disabled Disabled Disabled Disabled Disabled Disabled Disabled Disabled Disabled Disabled Disabled Disabled Disabled Disabled Disabled Disabled Disabled... -
Page 59: Control On/Off
EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 5.10.3 Control On/Off The On/Off control provides ability to switch on or off fans depending on the room temperature. The room temperature is compared with the control Set point (SEtC, SEtH) and a differential (PF02), see also the figures below. -
Page 60: Modulating Regulation
EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 5.10.4 Modulating regulation Generally controlled by an inverter, it carries out a refined heating function: “winter operating mode” or cooling function: “summer operating mode”. This control mode is focused on saving energy. -
Page 61: Modulating Control With Steps To Enable
EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 5.10.5 Modulating control with steps to enable The same logic for the modulating control applies with the additional possibility of shutting down the fan with a specific step on the control ramp. -
Page 62: Static Pressure Control
EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 5.10.6 Static Pressure control When a discharge air static pressure is connected to the controller it is possible to control the fans based on the discharge air static pressure. -
Page 63: Minimum/Maximum Discharge Temperature
EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 5.10.7 Minimum/Maximum discharge temperature When the discharge temperature exceeds the maximum or minimum set of parameters PF16 or PF17 the ventilation is disabled. -
Page 64: Fan Status
EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 5.10.9 Fan status Below are the different operating modes in which each fan may find itself: Disabled: the fan has not been configured for the plant. In this status in the user interface you will see the symbol “-“. -
Page 65: Main Controls
EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 5.11 Main controls The controller controls both temperature and humidity. Both control functions provide a Neutral Zone (parameter Pb03 for the temperature and PU02 for the humidity) in which there is no energy consumed. The logic for the control is shown below. -
Page 66: Cooling And Heating Controls
EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 5.12 Cooling and heating controls When the primary control is based on the valve (PG04=1) it is possible to control the heating and cooling valves. -
Page 67: Modulating Valve Control
EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 5.12.2 Modulating valve control In order to utilize only a proportional control you need to only set the integral time to zero (Pb02=0). Setting an integral time greater than zero (Pb02>0) will provide a more precise control, the integral part is tasked with bringing... -
Page 68: Post-Heating
EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 5.13 Post-heating This may be performed using a warm water coil (PG01=3) or, alternatively, utilizing electrical heater (PG14>0). The post-heating serves two main purposes: integration of heat in heating or compensation in the dehumidification phase in order to realize the amount of heat lost (i.e. -
Page 69: Status Of Post-Heating Heating Elements
EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 5.13.3 Status of post-heating heating elements Each of the three stages of the heating elements can assume one of the following operating states: Disabled: the stage of the heating element is not managed by the controller. -
Page 70: Dehumidification
EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 5.14 Dehumidification In order to adjust the comfort of the room it is necessary to also consider the humidity in the air and regulate it based on a determined desired Set point percentage (PU01) and at a neutral zone (PU02) in which the humidity conditions are acceptable and do not require any intervention. -
Page 71: Limit Regulation Of Dehumidification
EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 5.14.2 Limit regulation of dehumidification When there is an active request for dehumidification and there is a pending request for continuous heating, this... - Page 72 EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 Example 3 Dehumidification request = 80% Dehumidification limitation = 0% In this condition the request for dehumidification will pass entirely to the coil.
-
Page 73: Humidification
EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 5.15 Humidification To adjust the comfort of the room it is necessary to also consider the humidity in the air and to regulate it based on a determined Set point desired percentage (PU01) and at a neutral zone (PU02). -
Page 74: Maximum Humidification Control
EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 5.15.3 Maximum humidification control A maximum humidity sensor can be connected to the controller to prevent against excessive humidity in the flow duct. -
Page 75: Dampers
EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 5.16 Dampers The program provides the management of a motorized shutter for the intake of outdoor air to support the room temperature control. The type of management is determined by parameter PG07, in the configuration menu. -
Page 76: Enabling Free-Cooling / Free-Heating In Temperature
EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 5.16.3 Enabling Free-Cooling / Free-Heating in temperature The free-cooling in temperature, if enabled (PS01=1), can be activated when the difference between the room air temperature and the outdoor air temperature reaches the Set point which has been set (parameter PS13) and relative hysteresis (parameter PS12). -
Page 77: Free-Cooling And Free-Heating Control
EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 5.16.4 Free-Cooling and Free-Heating Control The control of the free-cooling/free-heating commands the opening of the outdoor air shutter. When free-cooling/free-heating conditions exist; or if the control can be enabled (and the request is greater than zero) the ramps which command the heating/cooling are split into two successive ramps, the first (half the differential) regulates the free-cooling/free-heating using the outdoor air shutter, the second regulates the heating/cooling valves. -
Page 78: Air Quality Control
EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 5.16.5 Air quality control The outdoor damper may be used to replace the air upon request by the appropriate sensor (VOC/CO2). It is necessary to enable the parameter PS02=1, and the control sensor for the air quality (PH46>0). -
Page 79: Damper Status
EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 5.16.7 Damper status In the user interface you can identify the operating status of the shutters which will present you with one of the following: Disabled: the shutter is not managed by the controller. -
Page 80: Heat Recovery Devices
EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 5.17 Heat recovery devices When the quantity of renewed air is substantive the air treatment centres provide a system which recovers the exhaust air for a better exercise of energy costs. -
Page 81: Heat Recovery Devices With Double Coil
EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 Minimum expulsion Shutter By-Pass After the delay Pr05 the by-pass shutter will activate in order to allow for defrosting. When the temperature rises above the allowable value the shutter will deactivate while the heat recovery device restarts. -
Page 82: Rotating Heat Recovery Device
EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 5.17.3 Rotating heat recovery device In this case the heat recovery device can be controlled in two different ways: On/Off (PG13=3), or with an analogue output (PG13=4) and is only active when the fans are turned on. -
Page 83: Recovery Device Status
EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 5.17.4 Recovery device status The heat recovery device may assume one of the following modes of operation: Disabled: the recuperation is not being managed. In this status in the user interface you will see the symbol “…”. -
Page 84: Pump Status
EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 Note: in case where the primary control is on the fans (PG04=0), this control can be used only if the fan control is in the modulating type. -
Page 85: Unit With Single Heating-Cooling Coil (Seasonal)
EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 5.19 Unit with single heating-cooling coil (seasonal) In this type of unit (PG01=1) there is only one dedicated valve for heating and cooling and, if enabled, there is a single circulation pump;... -
Page 86: Management (Various)
EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 5.20 Management (various) 5.20.1 Single or distinct set point It is possible to manage a single control Set point for summer/winter, or to set two different ones. If the parameter PH27 enables the single/distinct Set point is set to 1 the Set point is singular (only one parameter), otherwise the Set point is distinct (two distinct parameters: SEtH and SEtC). -
Page 87: Variation Set Point From Supervisor
EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 5.20.3 Variation set point from supervisor The program provides the possibility to manage a parameter OS02 Offset Set point from Supervisor which, based on the status set by the supervisor, sums an offset at the control Set point. -
Page 88: Diagnostics
EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 Diagnostics The application is capable of managing a whole series of alarms, relating to fans, pumps, sensors and other operations from the central unit. -
Page 89: Table Of Alarms
EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 Table of Alarms The following is a list of all the alarms managed by the application. The order of presentation is the same as the order of presentation for the active alarms. -
Page 90: Air Flow Switch Alarm
EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 AL28 I/O configuration error Auto Shuts down all devices Inhibits management of the time AL29 RTC Alarm broken or discharged zone AL30 External air damper end run... -
Page 91: Anti-Freeze Alarm
EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 6.2.2 Anti-freeze alarm The method used to enable the alarm is configurable with parameter PA35: PA35=0: alarm disabled PA35=1: alarm at digital input 6.3 Alarm relay... -
Page 92: List Of Modbus® Variables
EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 List of Modbus® variables This section will be updated with the actual list of Modbus variables. c-pro 3 micro/kilo AHU version Addr Addr... - Page 93 EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 0x0286 out_Humidifier 0.00 0.00 100.00 0x0287 out_MixDamper 0.00 0.00 100.00 0x0288 out_Recover 0.00 0.00 100.00 0x0300 PackedAlarm_1 65535 0x0301 PackedAlarm_2 65535 0x0400 1025...
- Page 94 EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 0x0604 1541 F2_Monday_h2 ( Low ) 00:00:00 00:00:00 23:59:59 0x0605 1542 F2_Monday_h2 ( High ) 0x0606 1543 F3_Monday_p3 0x0607 1544 F3_Monday_h3 ( Low )
- Page 95 EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 0x062C 1581 F3_Friday_h3 ( High ) 0x062D 1582 F1_Saturday_p1 0x062E 1583 F1_Saturday_h1 ( Low ) 00:00:00 00:00:00 23:59:59 0x062F 1584 F1_Saturday_h1 ( High )
- Page 96 EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 0x0654 1621 PM90_LastMaintainDATE ( Low ) 01/01/2008 00:00:01 01/01/2008 00:00:01 19/01/2068 03:14:07 0x0655 1622 PM90_LastMaintainDATE ( High ) 0x0656 1623 OE01_OffsetSetPoint_economy -36.0 36.0...
- Page 97 EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 0x067E 1663 Pb01_Temperature_Diff_Valve 10.0 36.0 0x067F 1664 Pb02_Valve_Ti 0x0680 1665 Pb03_NeutralZone_Temperature 36.0 0x0681 1666 Pb05_Offset_ValveSupplySetPoint 36.0 0x0682 1667 Pb06_Diff_ValveSupplySetPoint 36.0 0x0683 1668 Pb10_ForceHeatValve_OnErrorProbe 30.00...
- Page 98 EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 0x06A8 1705 PP02_SetON_Pump 5.00 1.00 90.00 0x06A9 1706 PP03_SetOFF_Pump 2.00 1.00 90.00 0x06AA 1707 PP04_TimeOFF_Pump 0x06AB 1708 PA01_En_Alarm_HourFan 0x06AC 1709 PA02_En_Alarm_HourPump 0x06AD 1710...
- Page 99 EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 0x06D2 1747 PH14_Modbus_StopBit 0x06D3 1748 PH15_RestoreDefault 0x06D4 1749 PH18_HistoryReset 0x06D5 1750 PH20_Enable_Scheduler 0x06D6 1751 PH21_Enable_TB_holiday 0x06D8 1753 PH26_EnableOffsetSP_SUP 0x06D9 1754 PH27_EnableUniqueSetPoint 0x06DA 1755...
- Page 100 EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 0x0701 1794 PH80_Select_TypeAO_coil1 0x0702 1795 PH81_Select_TypeAO_coil2 0x0703 1796 PH82_Select_TypeAO_SupplyFan 0x0704 1797 PH83_Select_TypeAO_ReturnFan 0x0705 1798 PH84_Select_TypeAO_MixDamper 0x0706 1799 PH85_Select_TypeAO_Humidifier 0x0707 1800 PH86_Select_TypeAO_Heater 0x0708 1801...
- Page 101 EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 0x072E 1839 PA35_ThermalResistorAlarm_Delay 0x072F 1840 PH40_Tret_sensor 0x0730 1841 PH41_Tsup_sensor 0x0731 1842 PH42_Text_sensor 0x0732 1843 PH43_HreturnRoom_sensor 0x0733 1844 PH44_Texaust 0x0734 1845 PH45_Pressure_sensor 0x0735 1846...
- Page 102 EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 0x0756 1879 HB01[7] 0x0757 1880 HB01[8] 0x0758 1881 HC01[0] 0x0759 1882 HC01[1] 0x075A 1883 HC01[2] 0x075B 1884 HC01[3] 0x075C 1885 HC01[4] 0x075D 1886...
- Page 103 This document is exclusive property of EVCO. Reproduction and disclosure are prohibited without express authorisation from EVCO. EVCO is not liable for any features, technical data and possible errors stated in this document or deriving from use of the same.
- Page 104 EVCO S.p.A. c-pro 3 micro AHU/c-pro 3 kilo AHU | Application Manual ver. 1.1 | Code 144CP3UKAHE104 EVCO S.p.A. Via Feltre 81, 32036 Sedico Belluno ITALIA Tel. 0437 / 84.22 Fax 0437 / 83.648 info@evco.it www.evco.it page 104 of 104...
Need help?
Do you have a question about the c-pro 3 micro AHU and is the answer not in the manual?
Questions and answers