Carel EVD Evolution Twin, Руководство пользователя

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ENG
“EVD Evolution TWIN” +0300006EN - rel. 2.6 - 31.01.2019 15
3.3 Switching between drivers (display)
Procedure:
press the Help and Enter buttons together. Switching when programming
the parameters displays the parameters for driver A and driver B on the same
screen.
A
B
CONFIGURATION
PROBE S1
Ratiom., -1/9.3 barg
MAIN CONTROL
display cabinet/
cold room
CONFIGURATION
PROBE S1
RaTiom., -1/9.3 barg
MAIN CONTROL
BACK PRESSURE EPR
Fig. 3.d
Important : the probe S1 parameter is common to both drivers, while the
main control parameter must be set for each driver. See the table of parameters.
3.4 Display mode (display)
Display mode is used to display the useful variables showing the operation
of the system.
The variables displayed depend on the type of control selected.
1.
Press Esc one or more times to switch to the standard display;
2.
Select driver A or B to display the corresponding variables (see paragraph
3.3);
3.
press UP/DOWN: the display shows a graph of the superheat, the
percentage of valve opening, the evaporation pressure and temperature
and the suction temperature variables;
4.
press UP/DOWN: the variables are shown on the display followed by the
screens with the probe and valve motor electrical connections;
5.
press Esc to exit display mode.
For the complete list of variables used according to the type of control see
paragraph “Variables used based on the type of control”.
A/B
SH=4.9K
6.4°C
3.8barg
1.5°C
211stp
69%
Fig. 3.e
3.5 Programming mode (display)
The parameters can be modified using the front keypad. Access differs
according to the user level: Service (Installer) and Manufacturer parameters.
Modifying the S ervice parameters
The Service parameters, as well as the parameters for commissioning the
controller, also include those for the configuration of the inputs, the relay
output, the superheat set point or the type of control in general, and the
protection thresholds. See the table of parameters.
Procedure:
1.
press Esc one or more times to switch to the standard display and select
driver A or B to set the corresponding parameters (see paragraph 3.3);
2.
press Prg: the display shows a screen with the PASSWORD request;
3.
press ENTER and enter the password for the Service level: 22 , starting
from the right-most figure and confirming each figure with ENTER;
4.
if the value entered is correct, the first modifiable parameter is displayed,
network address;
5.
press UP/DOWN to select the parameter to be set;
6.
press ENTER to move to the value of the parameter;
7.
press UP/DOWN to modify the value;
8.
press ENTER to save the new value of the parameter;
9.
repeat steps 5, 6, 7, 8 to modify the other parameters;
10.
press Esc to exit the procedure for modifying the Service parameters.
E6HHLDG9
%%% &
Fig. 3.f
Note:
•
if when setting a parameter the value entered is out-of-range, this is not
accepted and the parameter soon after returns to the previous value;
•
if no button is pressed, after 5 min the display automatically returns to the
standard mode.
•
to set a negative value use ENTER to move to the left-most digit and press
UP/DOWN.
Modifying the Manufacturer parameters
The Manufacturer level is used to configure all the controller parameters, and
consequently, in addition to the Service parameters, the parameters relating
to alarm management, the probes and the configuration of the valve. See the
table of parameters.
Procedure:
1.
press Esc one or more times to switch to the standard display;
2.
Select driver A or B to set the corresponding parameters (see paragraph
3.3);
3.
press Prg : the display shows a screen with the PASSWORD request;
4.
press ENTER and enter the password for the Manufacturer level:
66
, starting from the right-most figure and confirming each figure with
ENTER;
5.
if the value entered is correct, the list of parameter categories is shown:
-
Configuration
-
Probes
-
Control
-
Special
-
Alarm configuration
-
Valve
6.
press the UP/DOWN buttons to select the category and ENTER to access
the first parameter in the category;
7.
press UP/DOWN to select the parameter to be set and ENTER to move to
the value of the parameter;
8.
press UP/DOWN to modify the value;
9.
press ENTER to save the new value of the parameter;
10.
repeat steps 7, 8, 9 to modify the other parameters;
11.
press Esc to exit the procedure for modifying the Manufacturer parameters
CONFIGURAZIONE A/B
SONDE
REGOLAZIONE
SPECIALI
CONFIG.ALLARMI
VALVOLA
Fig. 3.g
Note:
•
all the controller parameters can be modified by entering the Manufacturer
level;
•
if when setting a parameter the value entered is out-of-range, this is not
accepted and the parameter soon after returns to the previous value;
•
if no button is pressed, after 5 min the display automatically returns to the
standard mode.