F
Operating instructions
cod. 1592001330
1592001330 XC642C GB r1.0 07.06.2004.doc
rel. 1.0
Pa. 7 / 21
6. Parameters programming
6.1 HOW TO ENTER THE “PR1” PARAMETER LIST
To enter the “Pr1” parameter list, user accessible, operate as follows:
1. Hold pressed the
SET
and
DOWN
key for 3s.
2. The controller displays the name of the parameter in the Lower display, its value on
the Upper display.
3. Press the “
SET
” key: the value of the parameter will start blinking.
4. Use “
UP
” or “
DOWN
” to change the value.
5. Press “
SET
” to store the new value and move to the following parameter.
To exit
: Press
SET + UP
or wait 30s without pressing a key.
NOTE
: the set value is stored even when the procedure is exited by waiting the time-out to expire.
6.2 HOW TO ENTER IN PARAMETERS LIST “PR2”
The “Pr2” parameter list is protected by a security code (Password).
SECURITY CODE is
321
To access parameters in “
Pr2
”:
1. Enter the “Pr1” level.
2. Select “Pr2” parameter and press the “
SET
” key.
3. The flashing value “0 --” is displayed.
4. Use
o
o
o
o
or
n
n
n
n
to input the security code and confirm the figure by pressing “
SET
” key.
5. Repeat operations 2 and 3 for the other digits.
NOTE
: each parameter in “Pr2” can be removed or put into “Pr1” (user level) by pressing
“SET”
+
n
n
n
n
. When
a parameter is present also in “Pr1” decimal point of the lower display is on.
6.3 HOW TO CHANGE PARAMETER VALUES
1. Enter the Programming mode.
2. Select the required parameter with
o
o
o
o
or
n
n
n
n
.
3. Press the “
SET
” key the value start blinking.
4. Use
o
o
o
o
or
n
n
n
n
to change its value.
5. Press “
SET
” to store the new value and move to the following parameter.
To exit
: Press
SET + UP
or wait 15s without pressing a key.
NOTE
: the new programming is stored even when the procedure is exited by waiting the time-out.
7. How to disabled an output
To disabled an output during a maintenance session means to exclude the output from the regulation.
7.1 HOW TO DISABLED AN OUTPUT DURING A MAINTENANCE SESSION.
1.
Push the
CLOCK
key for 3s.
2.
The LED’s of the first output is switched on, the Lower display shows the
“
StA
” label, while the Upper display shows the “
On
” label
if the first output is enabled, or the
“oFF”
label if the output is disabled for a maintenance section.
With compressor with more steps all the LED’s linked to the compressor and the valves are switched
on..
3.
Select the output by pressing the
UP
or
DOWN
key.