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13
SWITCHING FROM ONE DRIVER TO
ANOTHER
Press the Help and Enter keys simultaneously. Forced switching
during parameter programming leads to displaying the parameters
of driver A and driver B on the same screen.
Procedure
NOTE:
The S1 probe parameter is common to both drivers,
the main control parameter is set for each driver.
DISPLAY MODE
The Display mode allows to display the variables useful to know
the system operation.
The variables displayed depend on the type of control chosen.
1. Press Esc one or more times to go to the standard display.
2. Select the driver A or B for which you want to display the
variables (see par. 3.3);
3. Press UP/DOWN: the display shows a graph of the superheat
variables, the valve opening percentage, the evaporating
temperature and pressure and the suction temperature;
4. Press UP/DOWN: the display variables appear and in the
queue the displays of the electrical connections of the probes
and valve motors;
5. Press Esc to exit the Display mode.
6. For the complete list of the variables used according to the
type of control.
PROGRAMMING MODE (DISPLAY)
Parameters can be changed via the front keypad. Access is
different depending on the user level: support (installer) and
manufacturer parameters.
Modification of the Assistance parameters.
The Support parameters, as well as the parameters for controller
start-up, also include those for input configuration, output relay,
overheating set point or control type in general and protection
thresholds.
Procedure:
1. Press Esc one or more times to go to the standard display
and select the driver A or B from which you want to modify the
parameters.
2. Press Prg: the display shows a screen asking for the
PASSWORD.
3. Press ENTER and enter the password for the Assistance level,
starting from the rightmost digit and confirming each digit with
ENTER;
4. If the value entered is correct, the first modifiable parameter
appears: network address.
5. Press UP/DOWN to select the parameter to be modified.
6. Press ENTER to move to the parameter value.
7. Press UP/DOWN to change the value.
8. Press ENTER to save the new parameter value.
9. Repeat steps 5, 6, 7, 8 to modify the other parameters.
10. Press Esc to exit the procedure for modifying the Assistance
parameters. The display automatically returns to the standard
mode.
NOTES:
- If an out-of-range value is inserted during the configuration
of a parameter, it is not accepted and after a short
time the parameter returns to the value preceding
the modification.
Control
Содержание Comfort Flex CLIWP Series
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