EVCO EK342AJ7 - Manual (Page 3)

Every Contr
ol S.r
.l. • EK 342A • Sheet 2/2
The indications showed by the instrument flashes, except the indications “AL1“ and
“AL2“ (they are alternated with the temperature the chamber probe is reading) and
the buzzer utters an intermittent beep.
9 TECHNICAL DATA
9.1 Technical data
Box: self-extinguishing grey.
Size: 72 x 144 x 79 mm (2.83 x 5.66 x 3.11 in).
Installation: panel mounting, panel cut out 67 x 138 mm (2.63 x 5.43 in), with screw
brackets (supplied by the builder).
Frontal protection: IP 54.
Connections: extractable terminal blocks with pitch 7.5 mm (0.29 in) for cables up
to 2.5 mm² (0.38 sq in, power supply and outputs) and with pitch 5 mm (0.19 in) for
cables up to 2.5 mm² (0.38 sq in, input).
Ambient temperature: from 0 to 55 °C (32 to 131 °F, 10 ... 90% of relative humidity
without condensate).
Power supply: 230 Vac, 50/60 Hz, 4 VA (standard) or 115 Vac, 50/60 Hz, 4 VA
(by request).
Alarm buzzer: included.
Measure inputs: 1 (chamber probe) for “J” or “K” thermocouples.
Working range: from 0 to 700 °C (32 to 999 °F) for “J” thermocouple,
from 0 to 999 °C (32 to 999 °F) for “K” thermocouple.
Setpoint range: from 0 to 999 °C (0 to 999 °F).
Range of the cooking timer: from 1 to 99 min.
8 ALARMS
8.1 Alarms
LABEL MIN. MAX. U.M. DEF. SECOND ALARM
Ab0 1 99 °C/°F (6) 2 hysteresis (differential, it is relative to Ab1, it is important if Ab4 ≠ 1)
Ab1 -99 999 °C/°F (6) 0 second temperature alarm threshold (it is important if Ab4 ≠ 1); look at Ab4 as well
Ab3 0 999 min 0 second temperature alarm exclusion time since you turn the instrument ON (it is important
if Ab4 ≠ 1)
Ab4 1 7 --- 1 kind of temperature alarm (1 = it will never be activated, 2 = absolute lower temperature
alarm, 3 = absolute upper temperature alarm, 4 = lower temperature alarm relative to the
working setpoint, 5 = upper temperature alarm relative to the working setpoint,
6 = lower temperature alarm relative to the working setpoint with automatic calculation and
enabling, 7 = upper temperature alarm relative to the working setpoint with automatic
calculation and enabling)
LABEL MIN. MAX. U.M. DEF. POWER/COOKING TIMER
c0 0 2 --- 0 connection between the percentages of power supplied to the heating groups
(0 = no connection, 1 = the modification of the percentage of power supplied to a heating
group will automatically provoke the supply of the maximum power to the other one and vice
versa, 2 = the modification of the percentage of power supplied to a heating group will
automatically provoke an adjustment of the other one such as to guarantee that the sum of
bars turned ON will always be 10)
c1 1 999 s 80 cycle time to turn ON the top output and the floor output during the normal operation
c2 0 3 --- 1 event giving the activation of function Quick heating (0 = function not enabled, 1 = pressing
button quick heating for 2 s, 2 = turning the instrument ON, 3 = turning the instrument ON
or pressing button quick heating for 2 s)
c3 -99 0 °C/°F (6) -10 temperature the instrument deactivates function Quick heating automatically (it is relative to
the working setpoint) (7)
c4 -1 120 s 5 time the buzzer is activated at the end of the cooking timer (-1 = the buzzer has to be silenced
by hand)
LABEL MIN. MAX. U.M. DEF. RESERVED
L1 --- --- --- --- reserved
L2 --- --- --- --- reserved
L3 --- --- --- --- reserved
L4 --- --- --- --- reserved
(6) the unit of measure depends on parameter /8
(7) the temperature the instrument deactivates function Quick heating automatically is “ working setpoint - c3 “ .
LED minute
if it is lit, the unit of measure of the time showed by the instrument will
be minute
LED timer
if it flashes, the count of the timer for delayed starting (or the count of
the cooking timer) will be running
LED ON STAND-BY
if it is lit, the instrument will be in the STAND-BY mode (turned OFF)
MEANING
the instrument has finished counting the cooking timer
min
start
INDICAT.
CODE
corrupted
memory
data
alarm
chamber
probe
alarm
REASONS
there is a corruption of
the configuration data
in the memory of the
instrument
• the kind of chamber
probe you have con-
nected is not right
• the chamber probe
plays up
• the connection in-
strument-chamber
probe is wrong
• the temperature the
chamber probe is
reading is outside
the limits allowed by
the working range
of the instrument
REMEDIES
turn OFF the power
supply of the instru-
ment: unless the alarm
disappears, you will
have to change the
instrument
• look at parameter
/0
• test the integrity of
the probe
• test connection in-
strument-probe
• test the tempera-
ture close to the
probe
EFFECTS
• the access to the
setting procedures
will not be allowed
• all outputs will be
turned OFF
• the top output will
be turned OFF
• the floor output will
be turned OFF
cold joint
alarm
first
tempera-
ture
alarm
second
tempera-
ture
alarm
there is a defect in the
cold joint of the instru-
ment
the temperature the
chamber probe is
reading is outside the
limit you have set with
parameter AA1
the temperature the
chamber probe is
reading is outside the
limit you have set with
parameter Ab1
turn OFF the power
supply of the instru-
ment: unless the alarm
disappears, you will
have to change the
instrument
test the temperature
close to the probe (look
at parameters AA0,
AA1 and AA4)
test the temperature
close to the probe (look
at parameters Ab0,
Ab1 and Ab4)
• the top output will
be turned OFF
• the floor output will
be turned OFF
no effect
no effect