Technical Data - Evco SMALL X Instructions

Evco S.p.A. • Code 104X201E314 • page 4/8
• press a key to restore normal display
Main consequnces:
• if the power supply interruption lasts longer than the
time established with parameter A10, the instrument will
store the alarm
• the alarm output will be activated (provided that param-
eter u1 and/or parameter u11 is set to 3)
iA Multifunction input alarm (only EVX204, EVX214, EVX205
and EVX215)
Solutions:
• verify the cause of input activation
• parameters i5 and i6 are seen
Main consequences:
• the effect established with parameter i5
• the alarm output will be activated (provided that param-
eter u1 and/or parameter u11 is set to 3)
iSd Pressure switch alarm (only EVX204, EVX214, EVX205 and
EVX215)
Solutions:
• verify the cause of input activation
• parameters i5, i6, i7, i8 and i9 are seen
• switch off and re-start the instrument or suspend the
power supply
Main consequences:
• the regulators will switch off
• the alarm output will be activated (provided that param-
eter u1 and/or parameter u11 is set to 3)
COH Condenser overheated alarm (only EVX204, EVX214,
EVX205 and EVX215)
Solutions:
• check the temperature of the condenser
• parameter C6 is seen
Main consequences:
•the alarm output will be activated (provided that param-
eter u1 and/or parameter u11 is set to 3)
• if parameter u1 and/or parameter u11 is set to 6, the
condenser fan will be switched on
CSd
Compressor blocked alarm (only EVX204, EVX214,
EVX205 and EVX215)
Solutions:
• check the condenser temperature
• parameter C7 seen
• switch off and re-start the instrument: if when the instru-
ment is switched back on, the temperature of the con-
denser is still higher than that established in parameter
C7, disconnect the power supply and clean the con-
denser
Main consequences:
• the compresser and the evaporator fan will be switched
off
• the alarm output will be activated (provided that param-
eter u1 and/or parameter u11 is set to 3)
dFd Defrosting alarm switched off because maximum time has
been reached (but EVX201)
Solutions:
• verify that the evaporator probe is intact
• see parameters d2, d3 and d11
• press a key to restore normal display
Main consequences:
• the instrument will continue to function normally
When the problem that caused the alarm disappears, the instrument
returns to normal function, with the exception of the following alarms:
• the power supply interruption alarm (code "PF") which requires the
pressing of a key
• pressure switch alarm (code "iSd") which requires the switching off
of the instrument or the temporary suspension of the power supply
• compressor blocked by condenser temperature alarm (code "CSd")
which requires the switching off of the instrument or the temporary
suspension of the power supply
• Defrosting alarm swiched off because maximum time has been
reached (code "dFd") which requires the pressing of a key.
10 ERRORS
10.1 Errors
CODE MEANING
Pr1 Cell probe error
Solutions:
• verify that the probe is a type NTC
• verify that the probe is intact
• verify the instrument-probe connection
• check the cell temperature
Main consequences:
• compressor activity will depend on parameters C4 and
C5
• the defroster will not be activated
• the alarm output will be activated (provided that param-
eter u1 and/or parameter u11 is set to 3)
• the door resistors will be switched off (EVX204, EVX214,
EVX205 and EVX215 only and provided parameter u1
and/or parameter u11 is set to 4)
• the evaporator valve will be disconnected (EVX204,
EVX214, EVX205 and EVX215 only and provided pa-
rameter u1 and/or parameter u11 is set to 5)
Pr2 Evaporator probe error (but EVX201)
Solutions:
• the same as the preceeding case but with respect to the
evaporator probe
Main consequences:
• if parameter P3 is set to 1, the defrosting period will last
for the amout of time set with parameter 3
• if parameter P3 is set to 1and parameter d8 is set to 2 or
to 3, the instrument will operate as if parameter d8 were
set to 0
• if parameter F0 is set to 3 or 4, the instrument will operate
as if the parameter were set to 2
• the alarm output will be activated (provided that param-
eter u1 and/or parameter u11 is set to 3)
Pr3 Condenser probe error (EVX204, EVX214, EVX205 and
EVX215 only)
Solutions:
• the same as the preceeding case but with respect to the
condenser probe
Main consequences:
• condenser overheated alarm (code "COH") will not be
activated
• compressor blocked by condenser temperature alarm
(code "CSd") will never be activated
• the alarm output will be activated (provided that param-
eter u1 and/or parameter u11 is set to 3)
• if parameter u1 and/or parameter u11 is set to 6, the
condenser fan will operate in parallel with the condenser
rtc Clock error (EVX214 and EVX215 only)
Solutions:
• re-set the day and real time
Main consequences:
• if parameter d8 is set to 4, the instrument will operate as
if the parameter were set to 0
• the HACCP function will not provide information regard-
ing the date and hour in which the alarm was signaled
• the Energy Saving function will not be available in real
time
• the alarm output will be activated (provided that param-
eter u1 and/or parameter u11 is set to 3)
When the problem that caused the alarm disappears, the instrument
returns to normal operation, with the exception of the clock error
(code "rtc") which requires that the date and hour be set.
11

TECHNICAL DATA

11.1 Technical data
Case: without cover.
Frontal protection grade: IP 00.
Connections: 6.3 mm faston connectors (0.248 in, power and
outputs), screw terminal board (inputs), 6-outlet connector (serial port).
Operating temperature: from 0 to 55 °C (from 32 to 131 °F , 10 ...
90% relative humidity without condensaton).
Power: 230 VCA, 50/60 Hz or 115 VCA, 50/60 Hz.
Preservation of clock data in the absence of power (EVX214
and EVX215 only): 24 hr fully-charged battery.
Battery recharge time (EVX214 and EVX215 only): 2 min
without interruption (the battery is recharged by the instrument' s power
supply).
Alarm buzzers: upon request in EVX201 and EVX203; built-in for
EVX204, EVX214, EVX205 and EVX215).
EVX201measure inputs: 1 (cell probe) for NTC probe.
EVX203 measure inputs: 2 (cell probe and evaporator probe) for
the NTC probe.
EVX204, EVX214, EVX205 and EVX215 measure inputs: 3
(cell probe, evaporator probe and condenser probe) for NTC probe.
EVX201 and EVX203 digital inputs: 1 (door microswitch) for
normally open /normally closed contact (free contact,
5 V 1 mA).
EVX204, EVX214, EVX205 and EVX215 digital inputs: 2
(door microswitch and multifunction) for normally open/normally
closed contact (free contact, 5 V 1 mA).
Measurement field: from -40 to 105 °C (from -40 to 220 °F).
Resolution: 0.1 °C/1 °C/1 °F .
EVX201 digital outputs: 1 relay:
•compressor relay: 16 A res. @ 250
VCA (normally open contact);
30 A res. @ 250 VCA upon request.
The maximum load current allowed is 16 A.
EVX203 digital outputs: 3 relays:
• compressor relay: 16 A res. @ 250
VCA (normally
30 A res. @ 250 VCA upon request
• defrosting relay: 8 A res. @ 250 VCA
(exchange contact)
• evaporator fan relay: 8 A res. @ 250
VCA (normally open contact).
The maxium load current allowed is 16 A.
EVX204 and EVX214 digital outputs: 4 relays:
The maximum load current allowed is 16 A.
EVX205 and EVX215 digital outputs: 5 relays:
The maximum load current allowed is 16 A.
Serial port: port for communicating with the monitoring system (via
serial interface, via TTL, with a MODBUS communications protocol) or
via programming key.
open contact);
• compressor relay: 30 A res. @ 250
VCA (normally open contact)
• defrosting relay: 8 A res. @ 250 VCA
(exchange contact)
• evaporator fan relay: 8 A res. @ 250
VCA (normally open contact)
• fourth output relay: from 8 A res. @
250 VCA (normally open contact).
• compressor relay: 30 A res. @ 250
VCA (normally open contact)
• defrosting relay: 8 A res. @ 250 VCA
(exchange contact)
• evaporator fan relay: 8 A res. @ 250
VCA (normally open contact)
• fourth output relay: from 8 A res. @
250 VCA (normally open contact)
• fifth output relay: from 5 A res. @
250 VCA (normally open contact).