ECP
202
EXPERT D7.5
Page 15
USE AND MAINTENANCE MANUAL
Rev. 01-21
LEVEL 1 PROGRAMMING (User level)
To gain access to the Level 1 configuration menu proceed as follows:
1
. Press the
(
)
and
(
)
keys simultaneously and keep them pressed for a few seconds
until the first programming variable appears on the display.
2
. Release the
(
)
and
(
)
keys.
3
. Select the variable to be modified using the
(
)
or
(
)
key.
4
. When the variable has been selected it is possible:
• to display the setting by pressing SET key.
• to modify the setting by pressing the SET key together with the
(
)
or
(
)
key.
When configuration values have been set you can exit the menu by pressing the
(
)
and
(
)
keys simultaneously for a few seconds until the cold room temperature reappears.
The new settings are saved automatically when you exit the configuration menu.
LIST OF LEVEL 1 VARIABLES (User level)
VARIABLES
MEANING
VALUE
DEFAULT
r0
Temperature difference
compared to main SETPOINT
0,2
– 10,0 °C
2,0 °C
d0
Defrost interval
(hours)
If d0 = 0
cyclical defrosts Off
0 ÷ 24 hours
4 hours
d2
End-of-defrost setpoint
.
Defrost is not executed if the temperature read by the defrost
sensor is greater than d2.
(If the sensor is faulty defrosting is timed)
-35 ÷ 45 °C
15°C
d3
Max defrost duration
(minutes)
1 ÷ 240 min
25 min
d7
Drip duration
(minutes)
At the end of defrost the compressor and fans remain at standstill
for time d7, the defrost LED on the front panel flashes.
0 ÷ 10 min
0 min
F5
Fan pause
after defrost (minutes)
Allows fans to be kept at standstill for a time F5 after dripping. This
time begins at the end of dripping. If no dripping has been set the
fan pause starts directly at the end of defrost.
0 ÷ 10 min
0 min
A1
Minimum temperature alarm
Allows user to define a minimum temperature for the room being
refrigerated. Below value A1 an alarm trips: the alarm LED flashes,
displayed temperature flashes and the buzzer sounds to indicate
the problem.
-45÷(A2-1) °C
-45°C
A2
Maximum temperature alarm
Allows user to define a maximum temperature for the room being
refrigerated. Above value A2 an alarm trips: the alarm LED flashes,
displayed temperature flashes and the buzzer sounds to indicate
the problem.
(A1+1)÷99 °C
+99°C
tEu
Evaporator sensor temperature display
(displays nothing if dE =1)
evaporator
temperature
read only
CAP. 5 - Parameter programming
5.7
5.8
