EVX 800 series

EVX 800 series

Controllers for blast chillers, in compact and split version
EVX 800 series is a range of controllers for the management of blast chillers.
Available in compact or split version in either vertical or horizontal format. The user interface consists of a larger than average custom display, with decimal point and function icons, and 6 or 8 keys.
The controllers have a 30 res. A @ 250 VAC electromechanical relay for the direct control of high power compressors, avoiding the use of contactors and with direct load connection.
They are able to manage positive and negative blast chilling cycles, both temperature and time controlled (with “hard/soft” function); the temperature controlled cycles can be preceded by a test to verify the proper insertion of the needle probe.
Some also have the real time clock (to store the HACCP alarms).
The user interface installed from behind using threaded studs and a front film enables it to be placed flush with the panel thus making it fit perfectly with the design of the unit.
Technical sheet
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Advantages & Main Features

Aesthetic fit with the unit.
30 res. A @ 250 VAC electromechanical relay, with direct load connection.
Models with real time clock (to store the HACCP alarms).
Larger than average custom display.
Models in compact and split version, in horizontal and vertical execution.
MODBUS TTL communication port for EVKEY programming key and for other EVCO products.
Management of positive and negative blast chilling cycles, both temperature and time controlled.
Management of the test to verify the proper insertion of the needle probe.
“Hard/soft” function.

Technical Features

Controllers in compact version and in horizontal execution

EVX802P7EVX812P7EVX805P7EVX815P7
Power supply
230 VAC
Analog inputs
room probe (PTC/NTC)
needle probe (PTC/NTC)
evaporator probe (PTC/NTC)
condenser probe (PTC/NTC) (1) (1) (1) (1)
Digital inputs (for NA/NC contact)
door switch
high pressure switch (1) (1) (1) (1)
Digital outputs (electromechanical relays; res. A @ 250 VAC)
compressor30 A30 A30 A30 A
defrost  8 A8 A
evaporator fan  8 A8 A
load 2 (default evaporator fan) (2)8 A8 A  
load 4 (default door heaters) (3)  8 A8 A
load 5 (default room light) (4)  5 A5 A
Communication ports
MODBUS TTL, for EVKEY programming key and for other EVCO products
Other features
real time clock  
alarm buzzer
management of positive and negative blast chilling cycles, both temperature and time controlled
management of the test to verify the proper insertion of the needle probe
“hard/soft” function
“HACCP” function  
  
Notes
(1)configurable for analog input for PTC/NTC probes or for digital input
(2)configurable for defrost or evaporator fan
(3)configurable for door heaters or condenser fan
(4)configurable for room light, needle probe heaters or UV light.
  
Available options
None.

Controllers in compact version and in vertical execution

EVXV802P7EVXV812P7EVXV805P7EVXV815P7
Power supply
230 VAC
Analog inputs
room probe (PTC/NTC)
needle probe (PTC/NTC)
evaporator probe (PTC/NTC)
condenser probe (PTC/NTC) (1) (1) (1) (1)
Digital inputs (for NA/NC contact)
door switch
high pressure switch (1) (1) (1) (1)
Digital outputs (electromechanical relays; res. A @ 250 VAC)
compressor30 A30 A30 A30 A
defrost  8 A8 A
evaporator fan  8 A8 A
load 2 (default evaporator fan) (2)8 A8 A  
load 4 (default door heaters) (3)  8 A8 A
load 5 (default room light) (4)  5 A5 A
Communication ports
MODBUS TTL, for EVKEY programming key and for other EVCO products
Other features
real time clock  
alarm buzzer
management of positive and negative blast chilling cycles, both temperature and time controlled
management of the test to verify the proper insertion of the needle probe
“hard/soft” function
“HACCP” function  
  
Notes
(1)configurable for analog input for PTC/NTC probes or for digital input
(2)configurable for defrost or evaporator fan
(3)configurable for door heaters or condenser fan
(4)configurable for room light, needle probe heaters or UV light.
  
Available options
None.

Controllers in split version

EVXS815P9
Power supply
115... 230 VAC
Analog inputs
room probe (PTC/NTC)
needle probe (PTC/NTC)
evaporator probe (PTC/NTC)
Digital inputs (for NA/NC contact)
door switch
high pressure switch
Digital outputs (electromechanical relays; res. A @ 250 VAC)
compressor30 A
defrost16 A
evaporator fan8 A
load 4 (default door heaters) (1)16 A
load 5 (default room light) (2)8 A
Communication ports
MODBUS TTL, for EVKEY programming key and for other EVCO products
Other features
real time clock
alarm buzzer
management of positive and negative blast chilling cycles, both temperature and time controlled
management of the test to verify the proper insertion of the needle probe
“hard/soft” function
“HACCP” function
  
Notes
(1)configurable for door heaters or condenser fan
(2)configurable for room light, needle probe heaters or UV light.
  
Available options
None.
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