EVCO EK354AJ7 User Manual
Page 4
![background image](/manuals/675282/4/background.png)
The indications showed by the instrument flashes, except the indications “E1“ , “AL1“
and “AL2“ (they are alternated with the temperature the chamber probe is reading)
and the buzzer utters an intermittent beep.
10
TECHNICAL DATA
10.1 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
11
WORKING SETPOINT AND CONFIGURATION PARAMETERS
11.1 Working setpoint
LABEL MIN. MAX. U.M.
DEF. WORKING SETPOINT
rA1
rA2
°C/°F
(8)
0
working setpoint
11.2 First level parameters
LABEL MIN. MAX. U.M.
DEF. PASSWORD
PA
-90
100
---
0
password
LABEL MIN. MAX. U.M.
DEF. MEASURE INPUTS
/1
-10
10
°C/°F
(8)
0
chamber probe calibration
LABEL MIN. MAX. U.M.
DEF. REGULATOR
rA0
-15
-1
°C/°F
(8)
-2
hysteresis (differential, it is relative to the working setpoint)
LABEL MIN. MAX. U.M.
DEF. STEAM (by request)
rb0
-15
-1
°C/°F
(8)
-2
hysteresis (differential, it is relative to rb1)
11.3 Second level parameters
LABEL MIN. MAX. U.M.
DEF. MEASURE INPUTS
/0
10
11
---
10
kind of probe (10 = “J” Tc, 11 = “K” Tc)
/1
-10
10
°C/°F
(8)
0
chamber probe calibration
/2
0
6
---
3
probe reading speed (0 = fast, ... , 6 = slow)
/4
0
1
---
0
display of non meaningful zeros (1 = YES)
/8
0
1
---
1
unit of measure temperature (0 = Fahrenheit degree, 1 = Celsius degree)
LABEL MIN. MAX. U.M.
DEF. REGULATOR
rA0
-15
-1
°C/°F
(8)
-2
hysteresis (differential, it is relative to the working setpoint)
rA1
0
rA2
°C/°F
(8)
0
minimum value you can assign to the working setpoint
rA2
rA1
999
°C/°F
(8)
300
maximum value you can assign to the working setpoint
LABEL MIN. MAX. U.M.
DEF. STEAM (by request)
rb0
-15
-1
°C/°F
(8)
-2
hysteresis (differential, it is relative to rb1)
rb1
0
999
°C/°F
(8)
0
steam setpoint
rbA
---
---
°C/°F
(8)
---
steam temperature showing
rbE
-99
-1
°C/°F
(8)
-50
temperature below which the steam injection will not be allowed (it is relative to rb1)
(9)
cold joint
alarm
first
tempera-
ture
alarm
second
tempera-
ture
alarm
• the temperature the
steam probe is read-
ing is outside the lim-
its allowed by the
working range of
the instrument
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
• if the instrument
has been preset for
steam temperature
regulation, the
steam generator will
be turned OFF and
the steam injection
will not be allowed
no effect
no effect
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; steam probe by
request (for steam temperature regulation).
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 timer for delayed starting: from 1 to 99 h.
Range of the cooking timer: from 1 to 99 min.
Resolution: 1 °F with unit of measure in Fahrenheit, 1 °C with unit of measure in
Celsius.
Display: one red LED 3-digit displays 13.2 mm (0.51 in) high, one red LED 2-digit
display 13.2 mm (0.51 in) high, two LED bars (10 red LED), output status indicators,
indicators of the unit of measure of the temperature showed by the instrument.
Outputs: 6 relays: one 8 A @ 250 Vac relay for top heating group control (NO),
one 8 A @ 250 Vac relay for floor heating group control (NO), one 10 A @ 250 Vac relay
for steam generator control (NO), one 8 A @ 250 Vac relay for steam injection control
(NO), one 8 A @ 250 Vac relay for extractor control (NO), one 8 A @ 250 Vac relay for
chamber light control (NO); the maximum current allowed on terminal 21 and 26 is
10 A.