EVCO S p A EVX 800 Series Controllers for Blast Chillers User Manual

EVCO S.p.A. | Code 104X800E123 | PT 19 / 13
EVX 800 series – Controllers for blast chillers (which can be integrated into the unit)

SIZE AND INSTALLATION

Size and installation EVX802 and EVX812
Size in mm (in); installation is by back panel, with M3 threaded studs.

Size and installation EVX805 and EVX815
Size in mm (in); installation is by back panel, with M3 threaded studs.

ELECTRICAL CONNECTION

Electrical connection EVX802 and EVX812

Electrical connection EVX805 and EVX815

IMPORTANT
Read this document carefully before installing and using the device and follow all the additional information; keep this document close to the device for future consultations.
For further information consult the “Installer manual”.
The device must be disposed according to the local legislation about the collection for electrical and electronic equipment.

SIZE AND INSTALLATION
1.1 Additional information for the installation

• make sure the working conditions of the device (operating temperature, operating humidity, etc.) are in the limits indicated; look at chapter “TECHNICAL DATA”
• do not install the device close to heating sources (heaters, hot air ducts, etc.), devices having big magnetos (big speakers, etc.), locations subject to direct sunlight, rain, humidity, dust, mechanical vibrations or bumps
• according to the safety legislation, the protection against possible contacts with the electrical parts must be ensured by a correct installation of the device; all the parts which ensure the protection must be fixed so that you can not remove them if not by using a tool.

ELECTRICAL CONNECTION
2.1 Additional information for electrical connection

• do not operate on the terminal blocks of the device using electrical or pneumatic screwers
• if the device has been moved from a cold location to a warm one, the humidity could condense on the inside; wait about an hour before supplying it
• make sure the power supply voltage, the electrical frequency and the electrical power of the device correspond to those of the local power supply; look at chapter “TECHNICAL DATA”
• disconnect the power supply of the device before servicing it
• do not use the device as safety device
• for the repairs and for information about the device please contact the EVCO sales network.

DESCRIPTION

3.1 Description EVX802 and EVX812

3.2 Description EVX805 and EVX815

USER INTERFACE

4.1 Preliminary information
There are the following operating status:

• status “off” (the device is not powered)
• status “stand-by” (the device is powered but it is switched off)
• status “on” (the device is powered, it is switched on and it is waiting an operating cycle is started)
• status “run” (the device is powered, it is switched on and an operating cycle is running).

Hereinafter, “switching on the device” means moving from status “stand-by” to status “on” and “switching off the device” means moving from status “on” to status “stand-by”.

4.2 Switching on / off the device
Operate as follows:

1. Make sure the keyboard is not locked and no procedure is running.
2. Press and hold button START / STOP 1 s: LED will switch on / off.

4.3 The display
During status “off” and during status “stand-by” the display is switched off.
During status “on” the display shows the room temperature.
During status “run” the device will work as follows:

• if a temperature controlled blast chilling or a temperature controlled blast freezing is running, the display will show the temperature read by the needle probe
• if a time controlled blast chilling or a time controlled blast freezing is running, the display will show the count down of their duration
• if a storing is running, the display will show the room temperature.

4.4 Showing the room temperature
Operate as follows:

1. Make sure the keyboard is not locked and no procedure is running.

2. Press and hold button DOWN 1 s: the display will show the first available label.

3. Press and release button UP or button DOWN to select “Pb1”.

4. Press and release button BLAST CHILLING: the display will show the room temperature.
   To quit the procedure operate as follows:

5. Press and release button BLAST CHILLING or do not operate 15 s: the display will show “Pb1” again.

6. Press and release button UP or button DOWN as long as the display shows the variable indicated in the paragraph “The display” or do not operate 60 s.

4.5 Showing the temperature read by the needle probe
Operate as indicated in the paragraph “Showing the room temperature” to select “Pb2”.
If the needle probe is not enabled, the label “Pb2“ will not be shown.

4.6 Showing the evaporator temperature
Operate as indicated in the paragraph “Showing the room temperature” to select “Pb3”.
If the evaporator probe is not enabled, the label “Pb3“ will not be shown.

4.7 Showing the condenser temperature
Operate as indicated in the paragraph “Showing the room temperature” to select “Pb4”.
If the condenser probe is not enabled, the label “Pb4“ will not be shown.

4.8 Activating the defrost by hand
Operate as follows:

1. Make sure the device is in status “on” or a storing is running.
2. Make sure the keyboard is not locked and no procedure is running.
   3.1 In the model EVX802 and in the model EVX812 press and hold button UP 4 s: LED will switch on.
   3.2 In the model EVX805 and in the model EVX815 press and hold button DEFROST 4 s: LED will switch on.
   If the evaporator probe is enabled and to the defrost activation the evaporator temperature is above the defrost cut off temperature, the defrost will not be activated.

4.9 Switching on / off the room light by hand (only in the model EVX805 and in the model EVX815)
Operate as follows:

1. Make sure the function is enabled.
2. Make sure no procedure is running.
3. Press and release button AUXILIARY: LED AUX will switch on / off.

4.10 Locking / unlocking the keyboard
To lock the keyboard operate as follows:

1. Make sure no procedure is running.

2. Press and hold button DOWN and button START / STOP
   1 s: the display will show “Loc” 1 s.
   To unlock the keyboard operate as follows:

3. Make sure no procedure is running.

4. Press and hold button DOWN and button START / STOP
   1 s: the display will show “UnL” 1 s.

4.11 Silencing the buzzer
Operate as follows:

1. Make sure no procedure is running.
2. Press and release a button.

OPERATION

5.1 Blast chilling and storing
To start the cycle operate as follows:

1. Make sure the device is in status “on”.

2. Make sure the keyboard is not locked and no procedure is running.

3. Press and release button BLAST CHILLING: LED and LED will flash; according to the model, press and release button BLAST CHILLING again to start the cycle time controlled.

4. 1 According to the model, the display will show the working setpoint during the blast chilling or the blast chilling cut off temperature.
   2 Press and release button UP or button DOWN in 15 s to modify these values.

5. Press and release button START / STOP: LED will firmly remain switched on and it will be started the test for the verification of the proper insertion of the needle probe.
   1 If the test is successfully completed, the cycle will be started.
   2 If the test is not successfully completed, the cycle will be started time controlled.
   To stop the cycle operate as follows:

6. Press and release button START / STOP.

5.2 Hard blast chilling and storing
To start the cycle operate as follows:

1. Make sure the device is in status “on”.

2. Make sure the keyboard is not locked and no procedure is running.

3. Press and release button BLAST CHILLING: LED and LED will flash; according to the model, press and release button BLAST CHILLING again to start the cycle time controlled.

4. Press and release button HARD / SOFT: LED HARD will flash.

5. 1 According to the model, the display will show the working setpoint during the blast chilling or the blast chilling cut off temperature.
   2 Press and release button UP or button DOWN in 15 s to modify these values.

6. Press and release button START / STOP: LED and LED HARD will firmly remain switched on and it will be started the test for the verification of the proper insertion of the needle probe.
   1 If the test is successfully completed, the cycle will be started.
   2 If the test is not successfully completed, the cycle will be started time controlled.
   To stop the cycle operate as follows:

7. Press and release button START / STOP.

5.3 Blast freezing and storing
To start the cycle operate as follows:

1. Make sure the device is in status “on”.

2. Make sure the keyboard is not locked and no procedure is running.

3. Press and release button BLAST FREEZING: LED , LED , LED HARD and LED will flash; according to the model, press and release button BLAST CHILLING again to start the cycle time controlled.

4. 1 According to the model, the display will show the working setpoint during the blast freezing or the blast freezing cut off temperature.
   2 Press and release button UP or button DOWN in 15 s to modify these values.

5. Press and release button START / STOP: LED , LED and LED HARD will firmly remain switched on and it will be started the test for the verification of the proper insertion of the needle probe.
   1 If the test is successfully completed, the cycle will be started.
   2 If the test is not successfully completed, the cycle will be started time controlled.
   To stop the cycle operate as follows:

6. Press and release button START / STOP.

5.4 Soft blast freezing and storing
To start the cycle operate as follows:

1. Make sure the device is in status “on”.

2. Make sure the keyboard is not locked and no procedure is running.

3. Press and release button BLAST FREEZING: LED , LED , LED HARD and LED will flash; according to the model, press and release button BLAST CHILLING again to start the cycle time controlled.

4. Press and release button HARD / SOFT: LED HARD will switch off.

5. 1 According to the model, the display will show the working setpoint during the blast freezing or the blast freezing cut off temperature.
   2 Press and release button UP or button DOWN in 15 s to modify these values.

6. Press and release button START / STOP: LED and LED will firmly remain switched on and it will be started the test for the verification of the proper insertion of the needle probe.
   1 If the test is successfully completed, the cycle will be started.
   2 If the test is not successfully completed, the cycle will be started time controlled.
   To stop the cycle operate as follows:

7. Press and release button START / STOP.

5.5 Starting the precooling
To start the precooling operate as follows:

1. Make sure the device is in status “on”.

2. Make sure no procedure is running.

3. According to the model, switch on the device or press and hold button BLAST CHILLING 1 s: LED will flash.
   To stop the precooling operate as follows:

4. Press and hold button BLAST CHILLING 1 s or start an operating cycle.

5.6 Switching on the UV light for the cycle of sterilization (only in the model EVX805 and in the model EVX815)
Operate as follows:

1. Make sure the function is enabled.
2. Make sure the device is in status “on” and the door is closed, or the door switch input is not active.
3. Make sure the keyboard is not locked and no procedure is running.
4. Press and hold button AUXILIARY 1 s: LED AUX will switch on.

5.7 Needle probe heating (only in the model EVX805 and in the model EVX815)
Operate as follows:

1. Make sure the function is enabled.
2. Make sure the device is in status “on” or a storing is running and the door is open, or the door switch input is active.
3. Make sure the keyboard is not locked and no procedure is running.
4. Press and hold button AUXILIARY 1 s: LED will flash and LED AUX will switch on.

SIGNALINGS AND INDICATIONS

6.1 Signalings

freezing
| LED time controlled blast chilling / time controlled blast freezing
| LED storing
| LED defrost
| LED precooling
AUX| LED auxiliary (only in the model EVX805 and in
the model EVX815)
HACCP| LED HACCP
°C| LED Celsius degree
°F| LED Fahrenheit degree
min| LED minutes
| LED on / stand-by

6.2 Indications

keyboard”
UnL| The keyboard has been unlocked; look at paragraph “Locking / unlocking the keyboard”

ALARMS

7.1 Alarms

blast freezing not concluded within the maximum duration (HACCP alarm)
AL| Low temperature alarm
AH| High temperature alarm (HACCP alarm)
id| Open door alarm
HP| High pressure alarm
PF| Lack of power supply alarm (HACCP alarm; only in the model EVX812 and in the model EVX815)
COH| Overheated condenser alarm
CSd| Locked compressor alarm
ESt| Alarm download of the configuration parameters not successfully completed
CEr| Alarm firmwares of the configuration parameters contained in EVKEY not coinciding with that of the device
Erd| Alarm upload of the configuration parameters not successfully completed

Errors

8.1 Errors

TECHNICAL DATA

9.1 Technical data
Purpose of the devices: controllers for blast chillers.
Execution: open frame board.
Size:
– 156.0 x 45.0 x 44.2 mm (6.141 x 1.771 x 1.740 in; W x H x D) for EVX802 and EVX812
– 156.0 x 45.0 x 48.7 mm (6.141 x 1.771 x 1.917 in; W x H x D) for EVX805 and EVX815.

Installation: by back panel, with M3 threaded studs.
Index of protection: IP00.
Connections: faston 6.3 mm (0.248 in) wide (power supply and outputs), fixed screw terminal block (inputs), 6 poles connector (serial port).
Operating temperature: from 0 to 55 °C (from 32 to 131 °F).
Storage temperature: from -25 to 60 °C (from -13 to 140 °F).
Operating humidity: from 10 to 90% of relative humidity not condensing.
Pollution situation: 2.
Power supply:
– 230 VAC (±10%), 50 / 60 Hz, 2.3 VA max. or 115 VAC (±10%), 50 / 60 Hz, 2.3 VA max. in EVX802 and in EVX812
– 230 VAC (±10%), 50 / 60 Hz, 2.8 VA max. or 115 VAC (±10%), 50 / 60 Hz, 2.8 VA max. in EVX805 and in EVX815.
Overvoltage category: III.
Real time clock:
– not available in EVX802 and in EVX805
– incorporated (with capacitor) in EVX812 and in EVX815.
Battery autonomy in the event of lack of power supply: 24 h with battery fully charged.
Battery charging time: 2 min (the battery is charged by the power supply of the device).
Signaling and alarm buzzer: incorporated.
Analog inputs: 3 inputs (room probe, needle probe and evaporator probe), which can be set via configuration parameter for PTC / NTC probes.
PTC analog inputs (990 Ω @ 25 °C, 77 °F)
Kind of sensor: KTY 81-121.
Working range: from -50 to 150 °C (from -58 to 302 °F).
Resolution: 0.1 °C (1 °F).
Protection: none.

NTC analog inputs (10K Ω @ 25 °C, 77 °F)
Kind of sensor: ß3435.
Working range: from -40 to 105 °C (from -40 to 220 °F).
Resolution: 0.1 °C (1 °F).
Protection: none.
Digital inputs: 1 input (door switch), which can be set via configuration parameter for normally open / normally closed contact (free of voltage contact, 5 VDC, 2 mA).
Digital inputs
Power supply: none.
Protection: none.
Other inputs: 1 input which can be set via configuration parameter for analog input (condenser probe) / digital input (high pressure), with the same technical features illustrated previously.
Displays: 4 digits custom display, with function icons.
Digital outputs:
2 outputs (electromechanical relays) in EVX802 and in EVX812
– 1 SPST 30 res. A @ 250 VAC output (K1) for compressor management
– 1 SPDT 8 res. A @ 250 VAC output (K2) for defrost or evaporator fan management.
5 outputs (electromechanical relays) in EVX805 and in EVX815
– 1 SPST 30 res. A @ 250 VAC output (K1) for compressor management
– 1 SPDT 8 res. A @ 250 VAC output (K2) for defrost or evaporator fan management
– 2 SPST 8 res. A @ 250 VAC outputs (K3 and K4) for evaporator fan management and for door heater or condenser fan management
– 1 SPST 5 res. A @ 250 VAC output (K5) for room light, needle probe heater or UV light management. The maximum current allowed on the loads is 16 A.
Type of actions and additional features: 1C.
Communication ports: 1 TTL serial port with MODBUS communication protocol.

EVCO S.p.A.
Via Feltre 81, 32036 Sedico (BL) ITALY
phone +39 0437 852468 | fax +39 0437 83648
email info@evco.it | web www.evco.it

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.
EVCO cannot be considered liable for damages caused by failure to comply with warnings given in this document.
EVCO reserves the right to make any changes without forewarning, without jeopardising the basic safety and operating features.

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References

• EVCO - Advanced Controllers
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