Evco c-pro 3 OEM HRV Application Handbook Download Page 16

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EVCO S.p.A.

c-pro 3 OEM HRV | Application handbook ver. 4.0 | Code 144CP3OHE404

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2.4

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.

PART

MEANING

display

plug-in screw terminal block for MODBUS master/slave RS-485 port

plug-in screw terminal block for power supply and CAN port

micro switch for the termination of the MODBUS RS-485 and CAN network

USB port for programming the device

fixed screw terminal block for power supply, MODBUS master/slave RS-485 and CAN port

For further information, see the following sections.

Summary of Contents for c-pro 3 OEM HRV

Page 1: ...c pro 3 OEM HRV Controller for advanced controlled mechanical ventilation units Application handbook ver 4 0 August 2020 ENGLISH Code 144CP3OHE404 TheInnovationEvolution ...

Page 2: ...44CP3OHE404 page 2 of 138 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 Use the device only in the ways described in this document ...

Page 3: ... EPJ LCD user interface 35 4 11 Example of electrical connection of an EPJgraph 36 4 12 Example of electrical connection of an EPcolor S 38 4 13 Example of electrical connection of an EVD EXP I O expansion 40 5 USER INTERFACE 41 5 1 EPJgraph keypad and display 41 5 2 List of pages 42 5 3 Passwords 43 5 4 Main page 43 5 5 Meaning of display icons on c pro 3 OEM HRV and on EVJLCD and EPJ LCD interfa...

Page 4: ...ments digital 111 8 10 2 Coil with modulating heating element 111 8 10 3 Coil with modulating heating element 1 on off step 111 8 10 4 Coil with modulating heating element N on off steps 112 8 10 5 Heating element status 112 8 11 Single coil unit 112 8 12 Direct expansion coil 112 8 12 1 1 step direct expansion coil 113 8 12 2 2 step direct expansion coil 113 8 12 3 Modulating direct expansion coi...

Page 5: ...oni ausiliarie 126 9 MANAGEMENT OF OTHERS 128 9 1 Compensation for setpoint 128 9 2 Last date of maintenance 128 9 3 Automatic daylight saving time 128 10 DIAGNOSTICS 129 10 1 Manual and automatic alarms 129 10 2 Manual alarms 129 10 3 Automatic reset alarms 129 10 4 Alarms Table 129 10 5 Air flow switch alarm 131 10 6 High pressure alarm 132 10 7 Low pressure alarm 132 10 8 Fire smoke alarm 132 1...

Page 6: ...nergy certification in buildings The independent management of the input and extraction fan both EC and varied speed types allows for the best flow in any situation Room comfort is achieved by the management capabilities of different types of heat exchangers with free cooling and heating and heating cooling sources The BLE module integrated in the EVJ LCD interface provides the end user with easy ...

Page 7: ... DIN modules User interface Blind version LED display on two lines 6 keys Installation On DIN rail Connections Fixed screw terminal blocks Plug in screw terminal blocks Power supply 115 230 VAC Analogue digital inputs Configurable 7 7 7 7 Digital inputs Configurable 4 4 4 4 Analogue outputs Configurable 4 4 4 4 Digital outputs Configurable 6 6 6 6 Communications ports INTRABUS RS 485 master slave ...

Page 8: ...ions Fixed screw terminal blocks Power supply 12 VAC DC 115 230 VAC Analogue inputs Analogue inputs 2 2 2 2 Communications ports INTRABUS Other features Alarm buzzer Built in temperature and humidity sensor Built in Bluetooth Low Energy sensor Purchase codes Purchase code EVJD900N2VW EVJD900N2VWIV EVJD920N2VW EVJD920N2VWIV EVJD902N9VP EVJD902N9VPIV EVJD922N9VP EVJD922N9VPIV 1 With INTRABUS communi...

Page 9: ...at 111 4 x 76 4 mm User interface LCD display 6 capacitive keys Installation Wall mounted Wall mounted with rear slot for flush fit box Connections Fixed screw terminal blocks Power supply 12 VAC DC 115 230 VAC Analogue inputs Analogue inputs 2 2 Communications ports CAN USB Other features Alarm buzzer Built in temperature and humidity sensor Purchase codes Purchase code EPJD900N3VW EPJD920N3VW EP...

Page 10: ...he tecniche delle interfacce utente EPJgraph Format 111 4 x 76 4 mm User interface 2 8 in colour LCD graphic display 6 capacitive keys Installation Panel mounting Wall mounting Connections Fixed screw terminal blocks Plug in screw terminal blocks Power supply 24 VAC 12 30 VDC Communications ports CAN Other features Alarm buzzer Purchase codes Purchase code EPJG900X4 EPJG900X4VW ...

Page 11: ...lor S user interfaces Format 111 4 x 76 4 mm User interface 3 5 in TFT touch screen graphic display Installation Panel mounting Wall mounting Connections Fixed screw terminal blocks Plug in screw terminal blocks Power supply 24 VAC 12 30 VDC Communications ports MODBUS master slave RS 485 CAN USB Other features Real time clock Alarm buzzer Purchase codes Purchase code EPCJ01X4EXXAH da codificare ...

Page 12: ...atures of the EVD EXP user interfaces Format 4 closed DIN modules User interface Blind version Installation On DIN rail Connections Plug in screw terminal blocks Power supply 115 230 VAC Analogue inputs Configurable 4 Digital inputs Configurable 6 Analogue outputs Configurable 2 Digital outputs Configurable 4 Communications ports INTRABUS Purchase codes Purchase code EVD094EM9 ...

Page 13: ...locks in model EPB9ORX1AH 3 plug in screw terminal block male only for power supply fixed screw terminal blocks in model EPB9ORX1AH 4 user interface only available in model EPB9LRE1AH 5 micro switch for termination of RS 485 MODBUS network termination of CAN network 6 plug in screw terminal blocks male only for CAN port RS 485 port and INTRABUS port fixed screw terminal blocks in model EPB9ORX1AH ...

Page 14: ...ncrease key subsequently also called the up key 5 decrease key subsequently also called down key 6 right key subsequently also called the right key 7 settings key subsequently also called set 8 Fixed screw terminal block for power supply and for INTRABUS port in models EVJ LCD or CAN port in models EPJ LCD 9 in models EPJ LCD micro switch for the termination of the CAN network not otherwise presen...

Page 15: ...ubsequently also called the On stand by key 3 left key subsequently also called left key 4 increase key subsequently also called the up key 5 decrease key subsequently also called down key 6 right key subsequently also called the right key 7 settings key subsequently also called set 8 on off LED 9 alarm LED 10 power supply LED 11 plug in or fixed screw terminal block for power supply and CAN port ...

Page 16: ...of the parts of the EPJgraph user interfaces PART MEANING 1 display 2 plug in screw terminal block for MODBUS master slave RS 485 port 3 plug in screw terminal block for power supply and CAN port 4 micro switch for the termination of the MODBUS RS 485 and CAN network 5 USB port for programming the device 6 fixed screw terminal block for power supply MODBUS master slave RS 485 and CAN port For furt...

Page 17: ... meaning of the parts of the EVD EXP I O expansions PART MEANING 1 Male Micro Fit connector for analogue inputs digital inputs analogue outputs and open collector digital output 2 Plug in screw terminal block male only for INTRABUS port 3 plug in screw terminal block male only for digital outputs 4 plug in screw terminal block male only for power supply and digital outputs For further information ...

Page 18: ...ressed in mm in It is designed to be installed on a DIN rail in a control panel 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 d...

Page 19: ...ons are expressed in mm in They are designed to be mounted on the wall with rawl plugs and fastening screws or in a flush mount box with fastening screws The following diagram shows the dimensions of the EVJ LCD and EPJ LCD user interfaces for wall installation with a rear slot for a flush mount box The dimensions are expressed in mm in They are designed to be mounted on the wall with rawl plugs a...

Page 20: ...mensions for panel installation The dimensions are expressed in mm in They are designed to be fitted to a panel with elastic holding flaps The following diagram illustrates the EPJgraph user interface dimensions for wall installation The dimensions are expressed in mm in They are designed to be mounted on the wall with rawl plugs and fastening screws or in a flush mount box with fastening screws ...

Page 21: ...imensions for panel installation The dimensions are expressed in mm in They are designed to be fitted to a panel with elastic holding flaps The following diagram illustrates the EPcolor S user interface dimensions for wall installation The dimensions are expressed in mm in They are designed to be mounted on the wall with rawl plugs and fastening screws or in a flush mount box with fastening screws...

Page 22: ... outlined in section 3 1 ADVICE FOR INSTALLATION ensure that the working conditions are within the limits stated in the TECHNICAL SPECIFICATIONS section do not install the device close to heat sources equipment with a strong magnetic field in places subject to direct sunlight rain damp excessive dust mechanical vibrations or shocks in compliance with Safety Standards the device must be installed c...

Page 23: ... 3 OEM HRV controllers The first column shows the references for the open models while the second column shows those for the closed models Connector 1 No No DESCRIPTION C1 CO1 K1 digital output common contact NO1 NO1 K1 digital output normally open contact 5 A res 250 VAC C2 CO2 K2 digital output common contact NO2 NO2 K2 digital output normally open contact 5 A res 250 VAC C3 CO3 K3 digital outpu...

Page 24: ...rains up to 2 KHz M8 DI3 DI3 digital input dry contact and for pulse trains up to 2 KHz M7 IN7 AI7 analogue input for PTC NTC or Pt 1000 probes can be configured also for DI11 dry contact digital input M6 IN6 AI6 analogue input for PTC NTC or Pt 1000 probes can be configured also for DI10 dry contact digital input M5 IN5 AI5 analogue input for PTC NTC or Pt 1000 probes can be configured also for D...

Page 25: ...e 4 device power supply 12 VAC DC if the device is powered by direct current connect the positive pole 5 not used 6 not used The following diagram shows the EVJ LCD user interface connectors for wall installation with a rear slot for a flush mount box The following diagram shows the meaning of the EVJ LCD user interface connectors for wall installation with a rear slot for a flush mount box Connec...

Page 26: ...if the device is powered by direct current connect the negative pole 4 device power supply 12 VAC DC if the device is powered by direct current connect the positive pole 5 not used 6 not used Connector 2 USB port The following diagram shows the EPJ LCD user interface connectors for wall installation with a rear slot for a flush mount box The following diagram shows the meaning of the EPJ LCD user ...

Page 27: ...ference 3 device power supply 24 VAC 12 30 VDC If the device is fed by DC power connect terminal minus 4 device power supply 24 VAC 12 30 VDC If the device is fed by DC power connect terminal plus Connector 2 Reserved for EVCO Micro switch to insert the CAN port termination resistor The following diagram shows the EPJgraph user interface connectors for wall installation The following diagram shows...

Page 28: ...lation Connector 1 Part Meaning 1 RS 485 MODBUS port GND reference 2 signal RS 485 MODBUS port 3 signal RS 485 MODBUS port Connector 2 Part Meaning 1 signal CAN port 2 signal CAN port 3 device power supply 24 VAC 12 30 VDC if the device is powered by direct current connect the negative terminal 4 device power supply 24 VAC 12 30 VDC if the device is powered by direct current connect the positive t...

Page 29: ...wer supply 24 VAC 12 30 VDC if the device is powered by direct current connect the negative terminal 4 device power supply 24 VAC 12 30 VDC if the device is powered by direct current connect the positive terminal 5 RS 485 MODBUS port GND reference 6 signal RS 485 MODBUS port 7 signal RS 485 MODBUS port Connector 2 USB port to programme the device Micro switch to fit the termination resistor of the...

Page 30: ...gital output normally open contact 12 A res 250 VAC 2 K3 and K4 digital output common contact 3 K3 and K4 digital output common contact 4 K4 digital output normally open contact 8 A res 250 VAC 5 K4 digital output normally closed contact Connector 3 No DESCRIPTION 7 device power supply 115 230 VAC 8 device power supply 115 230 VAC Connector 4 No DESCRIPTION 1 AO2 analogue output 2 AO1 analogue out...

Page 31: ...ort data 3 auxiliary power supply 12 VDC 4 7 Termination of RS 485 MODBUS and CAN networks To reduce any signal reflections along the cables which connect the devices to an RS 485 MODBUS and or CAN network the network must be terminated in line with the first and last device on the network c pro 3 OEM HRV controllers To terminate the RS 485 port put micro switch 1 to ON to terminate the CAN port p...

Page 32: ...if you use electric or pneumatic screwdrivers loosen the tightening torque if the device has been moved from a cold to a warm place humidity may have caused condensation to form inside Wait about an hour before switching on power make sure that the supply voltage electrical frequency and power are within the set limits See the TECHNICAL SPECIFICATIONS section disconnect the power supply before sta...

Page 33: ...lers To configure the I O refer to the LIST OF PARAMETERS section 4 9 Example of electrical connection of an EVJ LCD user interface The following diagram gives an example of the electrical connection of an EVJ LCD user interface for wall installation In this example EVJ LCD is powered by a safety transformer CAUTION do not power another device with the same transformer the maximum connection cable...

Page 34: ...alls 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 The following diagram gives an example of the electrical connection of an EVJ LCD user interface for wall installation with a rear slot for a flush mount box CAUTION the maximum connection cable length allowed for the INTRABUS port is 30 m 98 4 f...

Page 35: ...e with the same transformer the maximum connection cable length allowed for the CAN port depends on the baud rate 1 000 m 3 280 ft with baud rate of 20 000 500 m 1 640 ft with baud rate of 50 000 250 m 820 ft with baud rate of 125 000 50 m 164 ft with baud rate of 500 000 over 10 m 32 8 ft use a shielded cable In this example EPJ LCD is powered by a device CAUTION make sure that the current suppli...

Page 36: ...000 50 m 164 ft with baud rate of 500 000 over 10 m 32 8 ft use a shielded cable 4 11 Example of electrical connection of an EPJgraph The following diagram gives an example of the electrical connection of an EPJgraph user interface for panel installation In this example EPJgraph is powered by a safety transformer CAUTION do not power another device with the same transformer the maximum connection ...

Page 37: ...10 m 32 8 ft The following diagram gives an example of the electrical connection of an EPJgraph user interface for wall installation In this example EPJgraph is powered by a safety transformer CAUTION do not power another device with the same transformer the maximum connection cable length allowed for the CAN port depends on the baud rate 1 000 m 3 280 ft with baud rate of 20 000 500 m 1 640 ft wi...

Page 38: ...electrical connection of an EPcolor S The following diagram gives an example of the electrical connection of an EPcolor S user interface for panel installation In this example EPcolor S is powered by a safety transformer CAUTION do not power another device with the same transformer the maximum connection cable length allowed for the CAN port depends on the baud rate 1 000 m 3 280 ft with baud rate...

Page 39: ...0 m 32 8 ft The following diagram gives an example of the electrical connection of an EPcolor S user interface for wall installation In this example EPcolor S is powered by a safety transformer CAUTION do not power another device with the same transformer the maximum connection cable length allowed for the CAN port depends on the baud rate 1 000 m 3 280 ft with baud rate of 20 000 500 m 1 640 ft w...

Page 40: ...r 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 4 13 Example of electrical connection of an EVD EXP I O expansion The following diagram gives an example of an electrical connection of EVD EXP I O expansion CAUTION the maximum connection cable length allowed for the INTRABUS port is 30 m 98 4 ft ...

Page 41: ...creases the return fan speed to 100 for a time equal to PF58 minutes default 0 SET ENTER when editing this confirms the value or else sends the commands associated with the entry on which the cursor is posi tioned If held down for about 2 seconds the ENTER key grants access to the main menu If held down while an alarm page is being displayed this key makes it possible to re arm the alarm When the ...

Page 42: ...menu is divided into four levels User Servicer Installer and Manufacturer The menu structure is the following General menu User menu level 1 Time bands level 1 Servicer menu level 2 Servicer menu counter section Servicer menu calibration section Servicer menu input output section Installer menu level 3 Installer menu setup section Installer menu regulation section Installer menu fan section Instal...

Page 43: ... and EPJ LCD display the machine status determines what is displayed on the main page i e it can switch between on and off If the machine is off the text OFF will be displayed on the top line while on the bottom line the reason for switching off KEY from key dI from digital input SUP from supervisor SCHE from scheduler ALrM from alarm In the EPJgraph and EPcolor display the page will remain the sa...

Page 44: ...off If on at least one fan is operating If off the compressors are switched off If flashing a compressor is waiting to be switched on or off If on at least one compressor is operating if off the defrost is not active if flashing alternatively to the direct expansion coil icon the defrost is waiting for a compressor protection time otherwise it indicates the drip ping phase of defrost is active if ...

Page 45: ... pumps are switched off if on at least one pump is operating 1st line Unit of measurement of the temperature regulation probe if the PH32 parameter is set to degrees Celsius If the probe has not been configured or is in error mode the LED is not visible 1st line Unit of measurement of the temperature regulation probe if the PH32 parameter is set to degrees Fahrenheit If the probe has not been conf...

Page 46: ...ting coils 7 At least one damper is open out of the external warm up and mixing chamber dampers By pressing the ESC key in this page the user returns to the Alarm History page Press the LEFT and RIGHT keys together for 3 seconds on this page to change the Summer Winter machine status After the main screen the individual status pages can be displayed using the LEFT RIGHT keys only of the statuses f...

Page 47: ... is possible to adjust the time bands via Enable TB display the time band currently in progress via Active band and display and modify the setting currently in use via Set attuale From this page if you press the and keys at the same time LEFT RIGHT for 3 seconds you can access the time bands configu ration page EVJ LCD and EPJ LCD user interface On this page you can adjust the time bands via Etb d...

Page 48: ... and its status if an on off or 3 point regulation is used 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 c...

Page 49: ...values the battery request and its status in the event that it is used an on off or 3 point regulation EVJ LCD and EPJ LCD user interface On these pages it is possible to view the 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...

Page 50: ...F on off H2O coil off or no heating element step active On H2O coil with on off check on 1On 1 heating element step on 2On 2 heating element steps on Direct expansion coil regulation status page EPJgraph EPcolor The direct expansion coil regulation status is displayed plus the control probe value the current setpoint the neutral zone and bandwidth values the status of com pressor 1 the status of c...

Page 51: ...ting heating ele ment request and digital heating element status EVJ LCD and EPJ LCD user interface On this page it is possible to view the current setpoint Set the modulating heating element request AO and the digital heating element status dO Humidity regulation status page EPJgraph EPcolor The humidity regulation status is displayed EVJ LCD and EPJ LCD user interface On these pages it is possib...

Page 52: ...uality request Air the status of the mixing chamber damper StS the analogue output value AO and status dO if an on off or 3 point regulation is used non 3 point or on off damper configured CLOS damper with 3 point check closed OPnG damper with 3 point check opening OPEn damper with 3 point check open CLnG damper with 3 point check closing ALIn damper with 3 point check alignment OFF on off damper ...

Page 53: ... PP2 Auxiliary regulation status page EPJ Graph The status of the auxiliary settings the control probe the setpoint the status of the digital output and the value of the analogue output of both auxiliary regulation 1 and auxiliary regulation 2 are displayed EVJ LCD and EPJ LCD user interface In these pages it is possible to view the control probe rEG the current setpoint SEt the status of the digi...

Page 54: ... possible to display the status of the sensors indicated with this label Supply t tSU return t trE outside t tOd expelled t tEH coil 1 t tC1 coil 2 t tC2 pre heat coil t tC3 post heat coil t tC4 compressor defrost t tdF return h Hrt Supply pressure flow PSU return pressure flow PrE Air quality AIr supply h HSU outdoor H Hod potentiometer remote setting SEt poten tiometer remote damper dMP potentio...

Page 55: ...set cooling setpoint forced by DI heating setpoint forced by DI fan manual setpoint comfort band fan setpoint economy band fan setpoint night band fan setpoint comfort band damper setpoint economy band damper setpoint night band damper setpoint constant supply pressure flow setpoint constant return pressure flow setpoint display backlight percentage only in the EVJ LCD and EPJ LCD user interfaces ...

Page 56: ...arious specific controls compensation regulation setpoint sniffing cycles for detecting room temperature control probe positioning configuration of probe and threshold for automatic summer winter changeover In the FANS COILS DIRECT EXP HUMIDITY DAMPER RECOVERY and AUXILIARY menus you can set the parameters for controlling the devices adjustment parameters time frames operation The SECURITY menu co...

Page 57: ...r the DOWN key is pressed the next active alarm will be displayed If there are no alarms NO ALARMS is displayed Press the ENTER key for about 2 seconds to reset the alarm if the error conditions are no longer active 5 15 Alarm history menu This menu allows you to view the alarm history log The ALARM HISTORY page shows the last alarm To view previous alarms press the ENTER key This can be repeated ...

Page 58: ...CO SE Manufacturer menu dampers section CO RH Manufacturer menu recovery section CO P Manufacturer menu pumps section CO S Manufacturer menu safeties section CO V Manufacturer menu miscellaneous section CO C Manufacturer menu setting section CO AI Manufacturer menu AI hardware parameters section CO DI Manufacturer menu DI hardware parameters section CO AO Manufacturer menu AO hardware parameters s...

Page 59: ...rsday time band 2 Starting time 07 30 00 00 00 00 23 59 59 TB Thursday band type 3 Operation 2 0 4 TB Thursday time band 3 Starting time 17 00 00 00 00 00 23 59 59 TB Thursday band type 4 Operation 4 0 4 TB Thursday time band 4 Starting time 21 00 00 00 00 00 23 59 59 TB Friday band type 1 Operation 2 0 4 TB Friday time band 1 Starting time 06 00 00 00 00 00 23 59 59 TB Friday band type 2 Operatio...

Page 60: ...27 C UT SCH OEC Economy range cooling offset 1 0 20 0 20 0 C UT OEC OEH Economy range heating offset 1 0 20 0 20 0 C UT OEH ONC Night range cooling offset 2 0 20 0 20 0 C UT OnC ONH Night range heating offset 2 0 20 0 20 0 C UT OnH SDC Cooling threshold forced by DI 26 0 PH03 PH04 C UT SdC SDH Heating threshold forced by DI 19 0 PH26 PH27 C UT SdH FSM Fan manual setpoint 0 00 0 00 DO PF03 AO 100 0...

Page 61: ...mpressor 2 operating hours 0 0 0 0 6500 0 Hours x10 MA F M05 PM06 Compressor 1 peaks 00 00 00 00 650 00 Peaks x 100 MA F M06 PM07 Compressor 2 peaks 00 00 00 00 650 00 Peaks x 100 MA F M07 PM10 Maximum number of pump operation hours Be yond this limit the relevant alarm will be triggered 2000 0 0 0 6500 0 Hours x10 MA F M10 PM11 Coil 1 pump operating hours 0 0 0 0 6500 0 Hours x10 MA F M11 PM12 Co...

Page 62: ...frost temperature probe 0 0 10 0 10 0 C MA CA M95 PM96 Calibration of the re heating coil temperature probe 0 0 10 0 10 0 C MA CA M96 PM97 Calibration of the remote fan control 00 00 10 00 10 00 MA CA M97 PM98 Auxiliary 1 probe calibration 0 0 36 0 36 0 MA CA M98 PM99 Auxiliary 2 probe calibration 0 0 36 0 36 0 MA CA M99 PSd2 Servicer level password 2 11 999 9999 MA PS2 Level 3 INSTALLATION OPERAT...

Page 63: ...setpoint 1 Setpoint 1 2 Setpoint 2 3 Setpoint 3 0 0 3 IS F F36 PF41 Constant supply pressure flow neutral zone 3 0 1 0 999 0 Pa m3 min IS F F41 PF42 Constant return pressure flow setpoint 3 0 1 0 999 0 Pa m3 min IS F F43 PF44 Constant pressure flow fan speed increase decrease time 5 1 100 Sec IS F F44 PF45 Constant pressure flow fan speed increase decrease percentage 01 00 00 00 100 00 IS F F45 PF...

Page 64: ...ential 5 0 0 0 30 0 C IS B b32 Pb33 Cooling limitation minimum value 0 0 0 0 100 0 IS B b33 Pb34 Heating limitation setpoint 30 0 15 0 70 0 C IS B b34 Pb35 Heating limitation differential 5 0 0 0 30 0 C IS B b35 Pb36 Heating limitation minimum value 0 0 0 0 100 0 IS B b36 HUMIDIFIER PU02 Neutral zone for humidity regulation 6 0 100 IS U U02 PU03 Humidity regulation differential 10 0 100 IS U U03 P...

Page 65: ... S16 PS17 Maximum time outside band 0 240 minutes 241 Always active 30 0 241 Min IS SE S17 PS19 Enable regulation of mixing chamber damper outside band NO 0 NO 0 YES 1 IS SE S19 PS20 Setpoint air quality regulation 600 0 9999 ppm IS SE S20 PS21 Differential air quality regulation 100 0 2000 ppm IS SE S21 RECOVERY HEAT EXCHANGER Pr01 Differential setpoint for recovery heat exchanger regulation 5 0 ...

Page 66: ...8 Offset potentiometer 19 Damper potentiometer 20 Fans potentiometer 0 0 20 IS AU L10 PL11 Auxiliary 1 aarm delay 10 0 999 Sec IS AU L11 PL21 Kind of auxiliary 1 regulation 0 Cooling 1 Heating 2 Direct 3 Reverse 0 0 3 IS AU L21 PL22 Auxiliary 1 cooling setpoint 14 0 3276 8 3276 7 IS AU L22 PL23 Auxiliary 1 heating setpoint 36 0 3276 8 3276 7 IS AU L23 PL24 Auxiliary 1 cooling differential 2 0 0 0 ...

Page 67: ... 1 0 2 IS S A03 PA06 Enables alarm for compressor operating hours YES 1 NO 0 YES 1 IS S A06 PA24 Type of re arm for air filter pressure switch alarm Manu 1 Auto 0 Manu 1 IS S A24 PA25 Air filter pressure switch alarm delay 2 0 999 Sec IS S A25 PA26 Type of re arm for air filter pressure switch alarm 1 0 2 IS S A26 PA38 Coil anti freeze alarm setting 3 0 15 0 20 0 C IS S A38 PA39 Coil anti freeze a...

Page 68: ... 0 YES 1 IS V Set YES 1 and wait for the NO value 0 H18 PH19 Enables machine start up shut down on program timing NO 0 NO 0 YES 1 IS V H19 PH20 Enables the program timing NO 0 NO 0 YES 1 IS V H20 PH21 Holiday unit status 0 Unit off 1 Unit on 1 0 1 IS V H21 PH25 Enables automatic daylight saving time 0 Disabled 1 Europe 2 North America 0 0 2 IS V H25 PH26 Minimum value heating setpoint 14 0 15 0 PH...

Page 69: ...t DI or direct expansion defrost 100 0 999 0 3276 0 CO F F10 PF11 Return fan speed with active defrost DI or direct expansion defrost 100 0 999 0 3276 0 CO F F11 PF12 Minimum supply fan speed with active compressor 100 0 999 0 3276 0 CO F F12 PF13 Minimum return fan speed with heating elements on 15 0 PF52 PF53 Pa m3 min CO F F13 PF14 Minimum return fan speed with active compressor 15 0 PF52 PF53 ...

Page 70: ...und 1 1 10 CO F F67 PF68 Return fan maximum rpm 1400 0 9999 Rpm CO F F68 PF69 Fan off time after commutation recovery bypass damper 0 0 999 Sec CO F F69 COILS Pb04 Modulating heating element power compared to total 100 00 0 0 100 00 CO B b04 Pb07 Enables heating element rotation YES 1 NO 0 YES 1 CO B b07 Pb10 Opening of heating valves in control probe alarm 30 0 0 0 100 0 CO B b10 Pb11 Opening of ...

Page 71: ...r switch on time 60 0 9999 Sec CO DE E02 PE03 Minimum time between two switch ons of the same compressor 300 0 9999 Sec CO DE E03 PE04 Switch off time between two compressors 20 0 999 Sec CO DE E04 PE05 Switch on time between two compressors 10 0 9999 Sec CO DE E05 PE06 Defrost interval 8 1 99 H CO DE E06 PE07 Type of defrost 0 Cycle reversal 1 Compressor stoppage 0 0 1 CO DE E07 PE08 End of defro...

Page 72: ...c CO SE S08 PS09 Mixing chamber damper run time 60 0 999 Sec CO SE S09 PS18 Warm up damper run time 60 0 999 Sec CO SE S18 PS22 Mixing chamber damper run time with 3 point check 20 0 3600 Sec CO SE S22 PS23 Extra time mixing chamber damper limit switch with 3 point check 10 0 600 Sec CO SE S23 PS24 Minimum variation for mixing chamber relay activa tion with 3 point check 5 00 0 00 100 00 CO SE S24...

Page 73: ...alarm on recovery heat exchanger 30 0 999 Sec CO S A21 PA22 Type of re arm for generic alarm Manu 1 Auto 0 Manu 1 CO S A22 PA23 Generic alarm delay 30 0 999 Sec CO S A23 PA28 Pressure switch reset alarm delay 30 0 999 Sec CO S A28 PA29 Flow switch alarm delay 5 0 999 Sec CO S A29 PA30 Type of airflow alarm signal 2 0 2 CO S A30 PA31 Type of re arm for humidifier hygrostat alarm Auto 0 Auto 0 Manu ...

Page 74: ... 1 4 KB CO V H16 PH17 CAN local network node 1 1 127 CO V H17 PH23 Minimum value return pressure probe 0 0 3200 0 PH24 CO V H23 PH24 Maximum value return pressure probe 500 0 PH23 3200 0 CO V H24 PH28 Minimum value for temperature active probes 40 0 70 0 PH29 C CO V H28 PH29 Maximum value for temperature active probes 60 0 PH28 150 0 C CO V H29 PH30 Minimum value for humidity probe 0 0 PH31 CO V H...

Page 75: ...il 1 type 0 Disabled 1 Water 2 Heating elements 3 Direct expansion 0 0 3 CO C G03 PG04 Coil 1 mode 0 Disabled 1 Cooling 2 Heating 3 Cooling Heating 0 0 3 CO C G04 PG05 Coil 2 type 0 Disabled 1 Water 2 Heating elements 0 0 2 CO C G05 PG06 Heater type 0 Disabled 1 Modulating AO 2 Modulating 1 step AO 1xDO 3 Modulating 2 steps AO 2xDO 4 Modulating 3 steps AO 3xDO 5 Modulating 4 steps AO 4xDO 6 1 step...

Page 76: ... Nessuno 1 EPJ LCD T 2 EPJ LCD TH 3 EVJ LCD T 4 EVJ LCD TH 0 0 4 CO AI A00 HA01 Allocation AI1 IN1 M1 look at table 6 2 0 42 42 CO AI A01 Pi01 Kind of sensor AI1 IN1 M1 0 DI 1 NTC 2 4 20mA 3 0 20mA 4 0 10V 5 0 5V 6 0 1V 1 0 6 CO AI i01 HA02 Allocation AI2 IN2 M2 0 42 42 CO AI A02 Pi02 Kind of sensor AI2 IN2 M2 0 DI 1 NTC 2 4 20mA 3 0 20mA 4 0 10V 5 0 5V 6 0 1V 1 0 4 CO AI i02 HA03 Allocation AI3 I...

Page 77: ...8 Kind of sensor AI1 EPJ LCD 0 DI 1 NTC 1 0 9 CO AI i08 HA09 Allocation AI2 EPJ LCD 0 42 42 CO AI A09 Pi09 Kind of sensor AI2 EPJ LCD 0 DI 1 NTC 1 0 9 CO AI i09 HA10 Allocation AI4 EPJ LCD 12V 0 42 42 CO AI A10 Pi10 Kind of sensor AI4 EPJ LCD 12V 0 DI 1 NTC 1 0 9 CO AI i10 HA11 Allocation AI1 IN1 expansion 0 42 42 CO AI A11 Available only if PG15 1 Pi11 Kind of sensor AI1 IN1 expansioni 0 DI 1 NTC...

Page 78: ... IN9 expansion 0 DI 1 NTC 1 0 1 CO AI i16 Available only if PG15 1 HA17 Allocation AI7 IN10 expansion 0 42 42 CO AI A17 Available only if PG15 1 Pi17 Kind of sensor AI7 IN10 expansion 0 DI 1 NTC 1 0 1 CO AI i17 Available only if PG15 1 HA18 Allocation AI1 EVJ LCD 0 42 42 CO AI A18 Pi18 Kind of sensor AI1 EVJ LCD 0 DI 1 NTC 1 0 1 CO AI i18 HA19 Allocation AI2 EVJ LCD 0 42 42 CO AI A19 Pi19 Kind of ...

Page 79: ...ion 0 44 47 CO AO C03 Po03 Kind of sensor AO3 0 DO 1 0 10V 2 PWM 3 slow PWM 1 0 3 CO AO o03 HC04 AO4 allocation 0 44 47 CO AO C04 Po04 Kind of sensor AO4 0 DO 1 0 10V 2 PWM 3 slow PWM 1 0 3 CO AO o04 HC05 AO1 allocation expansion 0 44 47 CO AO C05 Available only if PG15 1 Po05 Kind of sensor AO1 expansion 0 DO 1 0 10V 2 PWM 3 slow PWM 1 0 3 CO AO o05 Available only if PG15 1 HC06 AO2 allocation ex...

Page 80: ...04 HD05 DO5 allocation 0 44 47 CO DO d05 HD06 DO6 allocation 0 44 47 CO DO d06 HD07 DO1 allocation expansion 0 44 47 CO DO d07 Available only if PG15 1 HD08 DO2 allocation expansion 0 44 47 CO DO d08 Available only if PG15 1 HD09 DO3 allocation expansion 0 44 47 CO DO d09 Available only if PG15 1 HD10 DO4 allocation expansion 0 44 47 CO DO d10 Available only if PG15 1 HD11 DO Open Collector alloca...

Page 81: ... 1 NC 1 Antifreeze thermostat NC 0 Disabled 1 Supply temperature Antifreeze thermostat NO 2 Return room temperature Differential pressure switch supply fil ters level 1 NO 3 Outdoor temperature Remote on off NO 4 Expelled air temperature Summer Winter NO 5 Water temperature coil 1 Economy NO 6 Water temperature coil 2 Generic alarm input NO 7 Water temperature pre heating coil Freezing circuit def...

Page 82: ...NC 12 Electric coil thermal switch NC 11 Humidifier alarm NC 10 Outdoor damper air limit switch NC 9 Return fan thermal switch NC 8 Supply fan thermal switch NC 7 Freezing circuit defrost NC 6 Generic alarm input NC 5 Economy NC 4 Summer Winter NC 3 Remote on off NC 2 Differential pressure switch supply filters level 1 NC 1 Antifreeze thermostat NC 0 Disabled 1 Supply temperature Antifreeze thermo...

Page 83: ...m 1 NC 39 Auxiliary 2 NC 38 Auxiliary 1 NC 37 Booster fans NC 36 Set 3 fans NC 35 Set 2 fans NC 34 Set 1 fans NC 33 Generic warning NC 32 Re heating heater thermal switch NC 31 Heat pump operating mode NC 30 Differential pressure switch return filter level 4 NC 29 Differential pressure switch return filter level 3 NC 28 Differential pressure switch return filter level 2 NC 27 Differential pressure...

Page 84: ...liary 2 NO 40 Auxiliary 2 alarm 1 NO 41 Auxiliary 2 alarm 2 NO 42 Phases sequence NO 43 Supply fan tachometer NO only for DI3 DI4 DI5 pulse train 44 Return fan tachometer NO only for DI3 DI4 DI5 pulse train 6 4 I O Table DO Digital Outputs pa rameters DO Code Description 44 Auxiliary 2 NC 43 Auxiliary 1 NC 42 Light alarm NC 41 Step 2 re heating electric coil NC 40 Step 2 re heating electric coil N...

Page 85: ...alve NO 33 Step 3 heater NO 34 Step 4 heater NO 35 Step 5 heater NO 36 On Off NO 37 Opening re heating water coil NO 38 Closing re heating water coil NO 39 Re heating water coil on off NO 40 Step 1 re heating electric coil NO 41 Step 2 re heating electric coil NO 42 Light alarm NO 43 Auxiliary 1 NO 44 Auxiliary 2 NO 45 Electric coil slow PWM output NO 46 Pre heating heater slow PWM output NO 47 Re...

Page 86: ...ifier NO 10 Direct expansion Step 1 heater NO 11 Re heating water coil Step heater 2 NO 12 Re heating electric coil Motocondensing on off NO 13 Auxiliary 1 First step DX coil NO 14 Auxiliary 2 Second step DX coil NO 15 Important alarm NO 16 Summer Winter NO 17 First coil pump command NO 18 Second coil pump command NO 19 Warm up damper NO 20 Opening coil 1 NO 21 Closing coil 1 NO 22 Aopening coil 2...

Page 87: ...rdware AO the kind of sensor The available sensors are 0 DO the analog output will be used as digital 1 0 10 V 2 PWM 3 slow PWM If PWM or slow PWM is selected it is necessary to set the frequency period of PWM via parameters HCF1 HCF6 according to the selected output If slow PWM is selected it is also necessary to set the maximum output voltage via parameters HCV1 HCV6 according to the selected ou...

Page 88: ... controlled by the digital input by the supervision protocol and by program can only be reached with the machine switched on by key 7 2 OFF by alarm status When the machine is switched on there is an additional OFF by alarm status that switches off the unit all the devices and closes the dampers completely until the alarm situation is resolved The alarms which provoke this status are as follows fa...

Page 89: ...ller is switched on the first time the correct date and time must be entered In this case upon machine start up the following page will appear allow ing the time to be set EPJgraph EPcolor EVJ LCD or EPJ LCD user interface display Once the clock has been configured press OK to update the RTC time The main application page will be shown Press OK to confirm the data entered thus deleting the alarm s...

Page 90: ...code choose Code For configuration using code please refer to section 7 15 where the possible choices are described Press the ESC key to return to the main page of the Installer menu EVJ LCD or EPJ LCD user interface This is the initial configuration screen If you want to configure the machine using the simplified procedure choose StUP whereas if you want to configure the ma chine using machine co...

Page 91: ...7 8 Coil 1 set up If the first coil is not configured the second coil will not be displayed If the first coil is configured as electric the choice of the second coil will not be displayed because it is assumed this is the only coil present EPJgraph EPcolor Screen to configure coil 1 type select No if no coil is present Water for a water coil Electric for an electric coil or DX for direct expansion...

Page 92: ...EM 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 After configuring the direct expansion type or if the water coil has been selected the first coil is now configured EPJgraph EPcolor Screen to configure the first co...

Page 93: ...or coil 2 have been selected as Electric the type and number of heating elements must now be configured EPJgraph EPcolor Screen to configure the type of heating elements select AO for a single modulating heating element DO for digital heating elements or AO DO for one modulat ing heating element and more than one digital heating elements with sawtooth regulation c pro 3 OEM HRV display and EVJ LCD...

Page 94: ...er of steps must now be set 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 EPJgraph EPcolor c pro 3 OEM HRV display and EVJ LCD and EPJ LCD user interfaces ...

Page 95: ...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 7 12 Re heating coil set up If first coil has been configured for cooling or mixed mode another coil can be configured for re heating EPJgraph EPcolor Screen to configure the type of re heating...

Page 96: ...ent and digital heating element with sawtooth regulation c pro 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 7 13 Heat exchanger set up The final configuration sc...

Page 97: ...isplay 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 EPJgraph EPcolor EVJ LCD or EPJ LCD user interface The code consists of 7 elements laid out in this order type of fan type of pre heating coil type of coil 1 modulating coil 1 type of coil 2 type of re heating coil ...

Page 98: ... HH Water D1 Digital direct expansion with 1 step D2 Digital direct expansion with 2 steps DM Modulating direct expansion E1 Electric digital 1 step E2 Electric digital 2 steps E3 Electric digital 3 steps E4 Electric digital 4 steps E5 Electric digital 5 steps EM Electric modulating EN Electric modulating 1 digital step EP Electric modulating 2 digital steps EQ Electric modulating 3 digital steps ...

Page 99: ...mum setpoint in the case of resistors or active compressors and will have as a unit of measure Pa or m3 min Further more in the case of pressure or constant flow regulation with two separate sensors for delivery and return it is possible to set different minimum speed parameters for recovery by acting on parameters PF13 and PF14 In the case of activation of the digital defrost input or defrosting ...

Page 100: ...trols the variable fan speed which will increase or decrease by the step value defined by parameter PF06 Modulating or manual step value regulation The control setpoint SEtC SEtH and proportional band PF02 must be definite To set this regulation select PF01 1 Each operating mode summer winter has its own regulation pattern SUMMER operating mode WINTER operating mode PF02 Speed 3 Speed 2 Speed 1 Se...

Page 101: ...e case of constant pressure regulation or m3 min in the case of constant flow regulation If the digital defrost input is active or defrosting the direct expansion coil is active it is possible to set a dedicated pressure flow setpoint for these phases by setting parameter PF10 for the supply and PF11 for the return There is the function to memorize the last speed of reaching the setpoint which can...

Page 102: ...38 Maximum value air quality transducer 7 20 AQ modulating regulation PF01 5 This regulation based on the air quality probe that must be connected and configured sets the fan speed between a minimum setpoint defined by parameter PF19 and a maximum setpoint defined by parameter PF20 as described in the graph below PF01 Fan regulation type PF03 Minimum fan speed PF04 Maximum fan speed PF19 Minimum s...

Page 103: ... or a modulating temperature regulation PF01 1 the forced setpoints are intended as tem perature setpoints so their unit of measurement will be defined by parameterPH32 With forcing active the forced setpoint will be used instead of the cur rent setpoint to make the adjustment if constant pressure regulation is used PF01 2 the forced setpoints are intended as pressure settings The unit of measurem...

Page 104: ...the start up phase of the measurement air quality 7 27 Fan status Below are the different operating modes in which each fan may find itself 1 Disabled the fan has not been configured for the system In this state you will see the symbol on the user interface 2 Off the fan is switched off In this state you will see OFF indicated on the user interface 3 On the fan is switched on In this status you wi...

Page 105: ...cludes an integral part enabling errors to be cancelled while up and working PU02 Neutral zone humidity control PU03 Humidity regulation proportional band PU04 Humidity regulation integral time For both of the controls humidity and temperature the Neutral Zone is positioned around the setpoint The starting point of the respective regulation functions are respectively SP ZN 2 and SP ZN 2 8 1 Coolin...

Page 106: ... coincide with the regulation setpoint 8 2 Modulating coil adjustment In order to use only proportional regulation the integral time has to be set at zero parameter Pb02 0 Setting an integral time above zero parameter Pb02 0 pro vides more 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...

Page 107: ... adjustment It is possible to set an on off type adjustment of the coils by configuring a digital output such as Coil N on off The digital output will be activated when the request for cooling or heating of the coil reaches 100 and will be deactivated when the request has been completed COOLING HEATING SETC Summer setpoint SETH Winter setpoint Pb01 Coil regulation differential Pb03 Temperature con...

Page 108: ... see Closed CLOS displayed on the user interface 3 Opening the valve is opening In this state you will see Opening OPnG displayed on the user interface 4 Open the valve is fixed and open at a specific value In this state you will see Open OPEn displayed on the user interface 5 Closing the valve is closing In this state you will see Closing CLnG displayed on the user interface 6 Alignment the valve...

Page 109: ...e units the heating coil is installed before the cooling coil for anti freeze safety purposes with low external temperatures so if a re heating treatment is required during dehumidification a dedicated coil is required The program therefore manages a fourth coil which can be either water or electric parameter PG09 If the electric battery is selected the type of heating element must be set choosing...

Page 110: ...tion delay parameter PA47 the relevant water congruity alarm will be triggered AL42 for the first coil AL43 for the second coil AL44 for the pre heating coil and AL59 for the re heating coil which will switch off the coil The alarm will switch off after the alarm reset delay parameter PA48 and the machine will return to normal operations if the temperature exceeds the winter set point the relevant...

Page 111: ... Pb20 must elapse between each heating element start up switch off in order to avoid simultaneous peaks 8 10 2Coil with modulating heating element To regulate the heating elements by modulation set parameter PG06 1 On opening the output stays at 0 until the request reaches a higher value than the parameter Pb25 then assumes the request value On closing the output as sumes the request value until i...

Page 112: ...n first and switch off last If it necessary to choose between steps with the same number of operating hours a FIFO type rotation is activated to guarantee rotation even if there are the number of hours present A certain amount of time parameter Pb20 must elapse between each heating element start up switch off in order to avoid simultaneous peaks 8 10 5Heating element status Every one of the five h...

Page 113: ...use the 1 step regulation set parameter PG07 1 COOLING HEATING 8 12 22 step direct expansion coil To use the 2 step regulation set parameter PG07 2 COOLING Pb01 2 SETC Summer setpoint Return T NZ Pb03 2 Pb01 Diff 1 STEP SETC Summer setpoint OFF Pb01 Diff ON NZ Pb03 Return T SETH Winter setpoint OFF Pb01 Diff ON NZ Pb03 Return T ...

Page 114: ...expansion battery accord ing to the logic defined by the graphs below To use this function correctly the following parameters must also be set PE16 Minimum output value in cooling for custom regulation PE17 Maximum output value in cooling for custom regulation PE18 Minimum output value in heating for custom regulation PE19 Maximum output value in heating for custom regulation Pb01 2 SETH Winter se...

Page 115: ... lowest wear indicator will be activated first The active compressor with the highest wear indicator will be switched off first PE13 Type of compressor rotation PE14 Wear based on hours PE15 Wear based on peaks 8 12 5Compressor defrosting Defrosting will be performed after an operating period with a duration defined by parameter PE06 The calculation of this interval of time can be configured on 3 ...

Page 116: ... compressor is off In this state you will see OFF OFF displayed on the user interface 3 Waiting for start up the compressor is about to switch on it is waiting for some protection timing In this state you will see WON tON displayed on the user interface 4 Waiting for switch off the compressor is about to switch off it is waiting for some protection timing In this state you will see WOFF tOFF displ...

Page 117: ...e configuration menu The regulation of the dehumidification is proportional integral to make it proportional only just set the integral time to zero parameter PU04 0 8 14 1Dehumidification control The adjustment uses the cooling coil and requires a second coil or re heating battery to be used otherwise the function is not available Set parameter PU06 to select the supply or return humidity probe f...

Page 118: ... mathematical average of the two requests 8 14 3Winter dehumidification The dehumidification function is also available when the machine operates in winter mode Winter dehumidification works like summer dehumidification but uses specific parameters PU17 PU24 The mixing chamber damper is used to perform dehumidification but if this is not available the fans are used 8 15 Humidification To obtain co...

Page 119: ... control of the humidifier associate the humidifier with an analogue output HC parameters It is also possible to configure a digital output to use as a relay for enabling the humidifier On opening the output stays at 0 until the request reaches a higher value than the parameter PU16 then assumes the request value On closing the output as sumes the request value until it reaches a higher value than...

Page 120: ... to set a modulating regulation by enabling the relevant analogue output a 3 point regulation by enabling the 2 digital outputs of the damper opening and closing or an on off regulation by enabling the relevant digital output The priority for these requests is provided by parameter PS03 PS03 0 The damper is controlled by Free cooling Free heating PS03 1 The damper is controlled by air quality cont...

Page 121: ...resis parameter PS12 The external air temperature probe must be configured If the probe is in error mode this type of regulation is not enabled 8 16 4Free Cooling and Free Heating adjustment The free cooling free heating adjustment controls the opening of the mixing chamber damper as well as the heat exchanger In free cooling free heating conditions or if regulation is enabled and the request is g...

Page 122: ...e adjustment temperature is higher than the heating threshold the out of range dif ferential parameter PS16 otherwise the damper will stay closed and the maximum time PS17 time is restarted 8 16 7Damper status In the user interface you can identify the operating status of the shutters which will present you with one of the following 1 Disabled the damper is not managed by the controller In this st...

Page 123: ...ers expelled air for improved energy saving Using the parameter PG13 0 it is possible to utilize the heat recovery by selecting one of the following different heat exchangers PG13 0 Management disabled PG13 1 Heat exchangers at cross flow PG13 2 Double coil recovery heat exchanger PG13 3 Heat exchanger rotating On Off 8 18 1Cross flow heat exchanger To use this heat exchanger set parameter PG13 1 ...

Page 124: ... the recovery heat exchanger to allow the expelled room hot air to defrost the exchanger air ducts After the delay Pr05 the by pass shutter will activate in order to allow for defrosting When the temperature rises to above the permitted value the damper is deactivated and the recovery heat exchanger restarts During the changeover of the recovery unit to avoid unwanted noises both fans can be turne...

Page 125: ...ulsion temperature control because no icing up of the coil occurs 8 18 3Rotating heat exchanger In this case the recuperator can be regulated in two different ways modulating or On Off depending on how the hardware parameters relating to the outputs have been configured In the case of a modulating recovery unit it is also possible to configure the digital output which has an activation relay funct...

Page 126: ...gulation in the neutral zone with set point Pr09 band Pr10 increase step Pr12 and time Pr11 In the case of the digital rotary heat recovery unit the slow PWM period must also be set parameter Pr13 Whatever the current recuperator speed regulation is it is suspended for the entire duration of this regulation in the neutral zone Pr03 Heat exchanger defrost setpoint Pr04 Heat exchanger defrost neutra...

Page 127: ...activation of the digital contact If analogue auxiliary regulation is used it will always be possible to configure a digital output that will function as regulation enabling relay Otherwise the digital and modulating regulations are based on the following graphs COOLING HEATING PL02 Summer set OFF PL04 Diff summer ON Regulation T PL10 Auxiliary request PL06 Regulation T PL10 PL04 Diff summer PL07 ...

Page 128: ... the external probe is in error mode this function is inhibited 9 2 Last date of maintenance In the Menu Maintenance Operator Operation you will find a page with the ability to memorize the last date of maintenance for the plant By pressing Update the old date which is in the system will automatically be updated with the new correct date updating the maintenance date can be done at parameter PM90 ...

Page 129: ...ds At this point in the absence of any further alarms the page showing NONE is displayed the alarm icon is switched OFF and the machine goes back to normal opera tion otherwise the code relating to the next active alarm will be displayed The consequences that derive from an active manual alarm remain valid until the user cancels the alarm message 10 3 Automatic reset alarms If an alarm with automa...

Page 130: ...igurable AL28 I O configuration error Auto Shuts down all devices AL29 RTC clock faulty or disconnected A M Inhibits time band management AL30 End of run outside air damper Manu Shuts down all devices Configurable AL31 Expansion intrabus communication error Auto Inhibits regulation dependent on it Fixed 30 sec AL32 Pre heating heater thermal switch alarm A M Switches all the active heating element...

Page 131: ...rning A M Display Configurable AL62 Fan potentiometer faulty or disconnected Auto Inhibits the controls upon which the sensor is dependent Configurable AL63 Auxiliary 1 probe in error or disconnected Auto Inhibits the controls upon which the sensor is dependent Configurable AL64 Auxiliary 2 probe in error or disconnected Auto Inhibits the controls upon which the sensor is dependent Configurable AL...

Page 132: ...re alarm by pass time parameter PA51 during which time if the digital input is activated is does not trigger the alarm During compressor defrosting the low pressure alarm is inhibited 10 8 Fire smoke alarm There are two distinct operating modes for the fire smoke alarm which can be set using the parameter PA44 and can have the following options Fire extinguishing an attempt is made to extinguish t...

Page 133: ...al computer or other device with a USB port Length 2 m 6 56 ft USB extension cable 0810500020 Makes it possible to connect via a USB to a personal computer or other device with a USB port Length 0 5 m 1 64 ft RS 485 USB serial interface EVIF20SUXI Makes it possible to connect to the Parameters Manager setup software system 0 75 KW 230 VAC single phase inverter EI750M2C04O0VXX It allows a modulatin...

Page 134: ...JP920N9VP Using the probe it is possible to read the temperature and humidity value and transmit it via INTRABUS Serial probe EPJP920N9VP Using the probe it is possible to read the temperature and humidity value and transmit it via CAN USB flash drive EVUSB4096M Makes possible configuration upload and download 4GB of memory Connection kit CJAV45 For wiring the controllers with the plug in screw te...

Page 135: ...puts 10 m 32 8 ft analogue outputs 0 10 V 10 m 32 8 ft PWM analogue outputs 1 m 3 28 ft digital outputs 100 m 328 ft INTRABUS port 10 m 32 8 ft RS 485 MODBUS port 1 000 m 3 280 ft USB port 1 m 3 28 ft CAN port 1 000 m 3 280 ft baud rate 20 000 baud 500 m 1 640 ft baud rate 50 000 baud 250 m 820 ft with baud rate of 125 000 baud 50 m 164 ft with baud rate of 500 000 baud Operating temperature from ...

Page 136: ... 200 Ω Resolution 0 01 mA Auxiliary power supply 12 VDC 10 15 100 mA max Ratiometric transducer power supply 5 VDC 10 15 10 mA max Digital inputs 2 dry contact and for pulse trains up to 2 KHz 2 high voltage Potential free contact Contact type 3 3 VDC 1 mA Power supply none High voltage contact Power supply 115 230 VAC Analogue outputs 4 for 0 10 V or PWM signal 0 10 V signal Minimum impedance app...

Page 137: ...Switzerland Holland and United Kingdom CAUTION The device must be disposed of in compliance with local Standards regarding the collection of electric and electronic equipment This document and the solutions contained therein are the intellectual property of EVCO and thus protected by the Italian Intellectual Property Rights Code CPI EVCO imposes an absolute ban on the full or partial reproduction ...

Page 138: ...EVCO S p A c pro 3 OEM HRV Application handbook ver 4 0 Code 144CP3OHE404 page 138 of 138 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 ...

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