EVCO EK820AP7 - Manual (Page 4)

instrument automatically moves to the quick cooling/freezing for temperature cycle/phase, if
the temperature read by the needle probe is below the needle probe proper insertion verify
stopping setpoint the unsuccessful needle probe proper insertion verify alarm gets activated.
ADDITIONAL INFORMATIONS
-
the needle probe proper insertion verify has significance exclusively if a quick
cooling/freezing for temperature cycle/phase is selected.
MANUAL DEFROST
Pushing and releasing the key T6 during the status STAND-BY the presentation of a request of
a defrost cycle gets selected or unselected, except during the configuration parameters setting
procedure; the LED L6 is associated to the defrost cycle, during the status ON it is turned ON
when the cycle is running and it is turned OFF when the cycle is not running and during the
status STAND-BY it flashes when the presentation of a request of a defrost cycle is selected.
If the conditions permit it (the temperature read by the evaporator probe must be below the
defrost stopping setpoint) pushing and releasing the key T3 the instrument presents a request
of a defrost cycle.
During a storing cycle/phase, if the conditions permit it (the temperature read by the evapora-
tor probe must be below the defrost stopping setpoint) keeping pushed the key T6 for four
seconds at least the instrument presents a request of a defrost cycle.
During a defrost cycle keeping pushed the key T6 for four seconds at least the defrost cycle
ends.
MANUAL VENTILATION
Keeping pushed the key T6 for four seconds at least during the status STAND-BY the output K
2 gets activated or deactivated, except during the configuration parameters setting procedure;
the LED L6 is associated to the output status, during the status STAND-BY it is turned ON when
the output is activated and it is turned OFF when the output is deactivated.
ADDITIONAL INFORMATIONS
-
for the whole period of a corrupted memory data alarm the output K 2 activation is
refused
- for the whole period of a locking digital input alarm the output K 2 activation is
refused.
CONFIGURATION PARAMETERS SETTING
Configuration parameters are arranged on two levels, to protect the most tricky settings against
undesirable violations and they are arranged in families that can be recognized through the
initial letter of the label.
To gain access to the first level keep pushed at the same time for four seconds at least the keys
T1 and T2 during the status STAND-BY (passed four seconds the display DY1 displays the label
PA).
To select a parameter of the first level push and release over and over the key T1 or T2 as long
as the display DY1 displays the label of the desired parameter.
To modify the parameter value keep pushed the key T3 (the display DY1 displays the actual
value) and at the same time push and release over and over the key T1 or T2 as long as the
display DY1 displays the desired value (keeping pushed the key T1 or T2 the value gets de-
creased or increased more quickly); after the modification release the key T3 last (to the
release of the key T3 the display DY1 displays the label of the parameter again).
To gain access to the second level enter inside the first level and select the label PA.
Keep pushed the key T3 (the display DY1 displays the actual value) and at the same time push
and release over and over the key T1 or T2 as long as the display DY1 displays -19 (keeping
pushed the key T1 or T2 the value gets decreased or increased more quickly): after the modi-
fication release the key T3 last (to the release of the key T3 the display DY1 displays the label
PA again); keep pushed at the same time for four seconds at least the keys T1 and T2 (passed
four seconds the display DY1 displays the first parameter of the second level).
To select a parameter of the second level push and release over and over the key T1 or T2 as
long as the display DY1 displays the label of the desired parameter.
To modify the parameter value keep pushed the key T3 (the display DY1 displays the actual
value) and at the same time push and release over and over the key T1 or T2 as long as the
display DY1 displays the desired value (keeping pushed the key T1 or T2 the value gets de-
creased or increased more quickly); after the modification release the key T3 last (to the
release of the key T3 the display DY1 displays the label of the parameter again).
To turn out from the configuration parameters setting procedure keep pushed at the same time
for four seconds at least the keys T1 and T2 or do not operate with the keys for fifty seconds
at least (time-out exit).
ADDITIONAL INFORMATIONS
-
for the whole period of a corrupted memory data alarm the access to the configura-
tion parameters setting procedure is refused
- the modification of a parameter value which unit of measure is the hour or the
minute or the second has not immediate effect; to obtain this effect it must not be
executed during the course of the value
- the configuration parameters values get stored in a non volatile memory even if a
lack of power supply happens.
CONFIGURABILITY CONFIGURABILITY CONFIGURABILITY CONFIGURABILITY CONFIGURABILITY
QUICK COOLING FOR TIME
LABEL MIN. MAX. U.M. ST.
QUICK COOLING FOR TIME
0 999 min. 90 quick cooling/freezing for time length
It establishes the quick cooling/freezing for time cycle/phase length.
CONFIGURATION PARAMETERS
LABEL MIN. MAX. U.M. ST.
MEASURE INPUTS
/1 -10 +10 °C 0 calibration (§)
It establishes a threshold to add algebraically to the signal coming from the cabinet probe (for
instance to correct the signal).
LABEL MIN. MAX. U.M. ST.
QUICK COOLING AND STORING REGULATOR
c0 +1 +15 °C +2 hysteresis (differential) (§)
It establishes the hysteresis (differential) relative to the parameters c3, c6, cb and cC.
c1 1 400 min. 90 quick cooling for temperature maximum length (§)
It establishes the quick cooling for temperature cycle/phase maximum length.
Passed the quick cooling for temperature maximum length, if the temperature read by the
needle probe is above the setpoint established with the parameter c2 the unsuccessful quick
cooling/freezing alarm gets activated.
c2
-55 +99 °C +10 quick cooling for temperature stopping setpoint (§)
It establishes the temperature to which a quick cooling for temperature cycle/phase gets stopped
and it is referred to the needle probe.
c3
-55 +99 °C +3 cold storing setpoint (§)
It establishes the temperature associated to the output K 1 during a cold storing cycle/phase.
c4
1 400 min. 270 quick freezing for temperature maximum length (§)
It establishes the quick freezing for temperature cycle/phase maximum length.
Passed the quick freezing for temperature maximum length, if the temperature read by the
needle probe is above the setpoint established with the parameter c5 the unsuccessful quick
cooling/freezing alarm gets activated.
c5
-55 +99 °C -18 quick freezing for temperature stopping setpoint (§)
It establishes the temperature to which a quick freezing for temperature cycle/phase gets
stopped and it is referred to the needle probe.
c6
-55 +99 °C -25 very cold storing setpoint (§)
It establishes the temperature associated to the output K 1 during a very cold storing cycle/
phase.
c7
0 +99 °C +30 needle probe proper insertion verify stopping setpoint
It establishes the temperature to which a needle probe proper insertion verify gets stopped and
it is referred to the needle probe.
c8
-55 +99 °C +65 quick cooling/freezing for temperature enabling setpoint
(§)
It establishes the temperature below which it is possible to decrease the times established
with the parameters c1 and c4 and it is referred to the needle probe.
c9
0 99 sec. 3 buzzer activation length at the quick cooling/freezing end
It establishes the buzzer activation length at the successful quick cooling/freezing for tempera-
ture cycle/phase end and at the quick cooling/freezing for time cycle/phase end.
cA
--- --- ° C --- needle probe reading (§)
It permits to display the temperature read by the needle probe.
cb
-55 +99 °C -10 quick cooling setpoint (§)
It establishes the temperature associated to the output K 1 during a quick cooling cycle/phase.
cC
-55 +99 °C -55 quick freezing setpoint (§)
It establishes the temperature associated to the output K 1 during a quick freezing cycle/phase.
cE
1 99 sec. 35 needle probe proper insertion verify length
It establishes the needle probe proper insertion verify length.
Passed the needle probe proper insertion verify length from the moment in which the instru-
ment activates a quick cooling/freezing for temperature cycle/phase, if the temperature read
by the needle probe is below the setpoint established with the parameter c7 the unsuccessful
needle probe proper insertion verify alarm gets activated.
LABEL MIN. MAX. U.M. ST.
OUTPUT K 1 PROTECTION
C0 0 99 min. 0 disabling time to the output activation from the instru-
ment start
It establishes the time that disables the output activation from the moment in which the instru-
ment gets supplied.
C1
0 99 min. 0 disabling time to the output activation from the previous
activation
It establishes the time that disables the output activation from the moment of the previous
output activation.
C2
0 99 min. 0 disabling time to the output activation from the previous
deactivation
It establishes the time that disables the output activation from the moment of the previous
output deactivation.
C5
0 99 min. 10 cycle time for the output activation during the storing
during a cabinet probe failure alarm
It establishes the cycle time for the output activation due to the contribution established with
the parameters C6 and C7 during a storing cycle/phase during a cabinet probe failure alarm.
C6
0 99 min. 3 output activation length in the course of the cycle time
during the cold storing during a cabinet probe failure
alarm
It establishes the output activation length in the course of the cycle time established with the
parameter C5 during a cold storing cycle/phase during a cabinet probe failure alarm, except
what established with the disabling times to the output K 1 activation.
C7
0 99 min. 8 output activation length in the course of the cycle time
during the very cold storing during a cabinet probe fail-
ure alarm
It establishes the output activation length in the course of the cycle time established with the
parameter C5 during a very cold storing cycle/phase during a cabinet probe failure alarm,
except what established with the disabling times to the output K 1 activation.
LABEL MIN. MAX. U.M. ST.
DEFROST REGULATOR
d0 0 99 (*) 8 defrost interval
It establishes the time interval that pass from the moment in which the instrument activates a
storing cycle/phase or from the moment in which the instrument presents a request of a
defrost cycle to the moment in which the instrument automatically presents the following
request of a defrost cycle.
If the parameter d0 has value 0 the instrument never automatically presents a request of a
defrost cycle, except what established with the parameter d4.
d1
0 2 --- 1 kind of defrost
It establishes the kind of defrost that the instrument must manage, as indicated:
0 = to resistances (electrical)
1 = to hot gas (reversal of cycle)
2 = to air (open door).
d2 -55 +99 °C +2 defrost stopping setpoint
It establishes the temperature to which a defrost gets stopped and it is referred to the evapo-
rator probe.
d3
1 99 (*) 30 defrost maximum length
It establishes the defrost maximum length.
Passed the defrost maximum length from the moment in which the instrument activates a
defrost cycle, if the temperature read by the evaporator probe is below the setpoint established
with the parameter d2 the defrost ends.
d4
0 1 --- 0 defrost cycle at the quick cooling/freezing activation
It establishes if the instrument automatically must present a request of a defrost cycle in the
moment in which the instrument activates a quick cooling/freezing cycle/phase, as indicated:
0 = inactive
1 = the instrument automatically presents a request of a defrost cycle in the moment in
which the instrument activates a quick cooling/freezing cycle/phase.
d7 0 99 (*) 2 dripping length
It establishes the dripping length.
d9
0 1 --- 0 disabling times to the output K 1 activation override
It is significant exclusively if the parameter d1 has value 1, it establishes if to clear the disa-
bling times to the output K 1 activation in the moment in which the instrument presents a
request of a defrost cycle, as indicated:
0 = inactive
1 = in the moment in which the instrument presents a request of a defrost cycle the
disabling times to the output K 1 activation get cleared.
dA --- --- ° C --- evaporator probe reading (§)
It permits to display the temperature read by the evaporator probe.
db
0 1 --- 0 times base for the parameters d0, d3, d7 and F5
It establishes the unit of measure of the parameters d0, d3, d7 and F5, as indicated:
0 = the unit of measure of the parameter d0 is the hour and the unit of measure of the
parameters d3, d7 and F5 is the minute
1 = the unit of measure of the parameter d0 is the minute and the unit of measure of the
parameters d3, d7 and F5 is the second.
LABELMIN. MAX. U.M. ST. EVAPORATOR FANS REGULATOR ASSOCIATED TO THE
OUTPUT K 2
F0 0 1 --- 0 output functioning
It is significant exclusively during a storing cycle/phase and during a defrost if the parameter
d1 has value 0 or 1, it establishes the output functioning, as indicated:
0 = the output is associated to the setpoint established with the parameter F1, it remains
continuously activated as long as the temperature read by the evaporator probe reaches
the setpoint established with the parameter F1 and when it falls below the setpoint
established with the parameter F1 of the hysteresis value (differential) established with
the parameter F2 the output gets reactivated, except what established with the
parameters d7, F3, F4 and F5
1 = the output gets forced to the status ON, except what established with the parameters d7,
F3, F4 and F5.
F1 -55 +99 °C -1 output deactivation setpoint
It is significant exclusively if the parameter F0 has value 0, it establishes the temperature to
which the output gets deactivated and it is referred to the evaporator probe.
F2
+1 +15 °C +1 hysteresis (differential)
It is significant exclusively if the parameter F0 has value 0, it establishes the hysteresis (differ-
ential) relative to the parameter F1.
F3
0 1 --- 1 output typology
It is significant exclusively during a storing cycle/phase, it establishes a bond with the output K
1 status, as indicated:
0 = inactive
1 = during the status OFF of the output K 1 the output gets forced to the status OFF.
F4 0 1 --- 1 output forced to the status OFF during the defrost
It is significant exclusively if the parameter d1 has value 0 or 1, it establishes if to force the
output to the status OFF during a defrost, as indicated:
0 = inactive
1 = during a defrost the output gets forced to the status OFF.
F5 0 99 (*) 3 evaporator fans stoppage length
It establishes the evaporator fans stoppage length.
LABELMIN. MAX. U.M. ST.
DIGITAL INPUTS
u0 0 1 --- 1 output K 4 forced to the status ON during the door switch
digital input activation
It establishes if to force the output K 4 to the status ON during the door switch digital input
activation, as indicated:
0 = inactive
1 = during the door switch digital input activation the output K 4 gets forced to the status
ON.
u1 0 1 --- 1 output K 2 forced to the status OFF during the door switch
digital input activation
It establishes if to force the output K 2 to the status OFF during the door switch digital input
activation, as indicated:
0 = inactive
1 = during the door switch digital input activation the output K 2 gets forced to the status
OFF.
If the parameter d1 has value 2, during a defrost cycle the parameter u1 has not significance.
u2
0 1 --- 0 kind of contact of the door switch digital input
It establishes the kind of contact of the door switch digital input, as indicated:
0 = NO contact
1 = NC contact.
u3 0 1 --- 0 kind of contact of the locking digital input
It establishes the kind of contact of the locking digital input, as indicated:
0 = NO contact 4 5
1 = NC contact.
u4 0 999 sec. 5 disabling time to the locking digital input alarm activa-
tion
It establishes the time that disables the locking digital input alarm activation from the moment
in which the locking digital input alarm happens.
LABELMIN. MAX. U.M. ST.
TEMPERATURE ALARM REGULATOR
A0 +1 +15 °C +2 hysteresis (differential)
It establishes the hysteresis (differential) relative to the parameters A1, A2, A3 and A4.
A1
-99 0 ° C 0 lower alarm set relative to the cold storing setpoint
It establishes a threshold to add algebraically to the setpoint established with the parameter c3;
the value so obtained establishes the temperature below which the lower temperature alarm
gets activated during a cold storing cycle/phase and it is referred to the cabinet probe.
If the parameter A1 has value 0 the lower temperature alarm never gets activated.
A 2
0 + 9 9 °C 0 upper alarm set relative to the cold storing setpoint
It establishes a threshold to add algebraically to the setpoint established with the parameter c3;
the value so obtained establishes the temperature above which the upper temperature alarm
gets activated during a cold storing cycle/phase and it is referred to the cabinet probe.
If the parameter A2 has value 0 the upper temperature alarm never gets activated.
A3
-99 0 ° C 0 lower alarm set relative to the very cold storing setpoint
It establishes a threshold to add algebraically to the setpoint established with the parameter c6;
the value so obtained establishes the temperature below which the lower temperature alarm
gets activated during a very cold storing cycle/phase and it is referred to the cabinet probe.
If the parameter A3 has value 0 the lower temperature alarm never gets activated.
A4
0 +99 °C 0 upper alarm set relative to the very cold storing setpoint
It establishes a threshold to add algebraically to the setpoint established with the parameter c6;
the value so obtained establishes the temperature above which the upper temperature alarm
gets activated during a very cold storing cycle/phase and it is referred to the cabinet probe.
If the parameter A4 has value 0 the upper temperature alarm never gets activated.
A5
0 255 min. 30 disabling time to the alarm activation from the storing
activation
It establishes the time that disables the temperature alarm activation from the moment in which
the instrument activates a storing cycle/phase.
A6
0 255 min. 0 disabling time to the alarm activation
It establishes the time that disables the temperature alarm activation from the moment in which
the temperature alarm happens.
LABELMIN. MAX. U.M. ST.
RESERVED
L 1 --- --- --- --- reserved
Reserved.
L 2
--- --- --- --- reserved
Reserved.
L 3
--- --- --- --- reserved
Reserved.
L 4
--- --- --- --- reserved
Reserved.
ADDITIONAL INFORMATIONS
-
the symbol (§) indicates that the parameter is of the first level
- the symbol (*) indicates that the unit of measure depends from the parameter db
- during a “manual ventilation” function the parameters u1 and u2 has not signifi-
cance.
SIGNALS AND ALARMS SIGNALS AND ALARMS SIGNALS AND ALARMS SIGNALS AND ALARMS SIGNALS AND ALARMS
SIGNALS
If the LED L1 is turned ON it means that a quick cooling/freezing cycle/phase is running.
If the LED L2 is turned ON it means that a storing cycle/phase is running.
If the LED L3 is turned ON it means that the instrument is in the status ON.
If the LED L4 is turned ON it means that a quick cooling cycle/phase is selected.
If the LED L5 is turned ON it means that a quick freezing cycle/phase is selected.
If during the status STAND-BY the LED L6 is turned ON it means that the output K 2 is acti-
vated.
If during the status ON the LED L6 is turned ON it means that a defrost cycle is running.
If the LED L7 is turned ON it means that a cold storing cycle/phase is selected.
If the LED L8 is turned ON it means that a very cold storing cycle/phase is selected.
If the LED L9 is turned ON it means that the needle probe proper insertion verify is not selected.
If the LED L10 is turned ON it means that the quick cooling/freezing for temperature modality
is selected.
If the LED L11 is turned ON it means that the quick cooling/freezing for time modality is se-
lected.
If the LED L12 is turned ON it means that the conditions do not permit to decrease the quick
cooling for temperature maximum length or the quick freezing for temperature maximum length
(see the parameter c8).
If the LED L6 flashes it means that the presentation of a request of a defrost cycle is selected.