EN - 25
To run the compressor at full capacity (100%), press
+
. The word •intake• flashes if the intake valve is open.
To run the compressor at half capacity (50%), press
–
. The word •exhaust• flashes if the exhaust valve is open.
If the compressor is off: compressor started then adjusted to the desired capacity (full load or half load)
The following message appears if the compressor cannot be started (2 minute off time; fault; forced stop):
To go back to the previous table and exit test mode, press
OK
:
Enter "No" in all the submenus in menu 8.
Note:
The machine will automatically return to automatic mode if no buttons are pressed on the console for 1 hour.
Checking the direction of rotation of the compressors
Go to the TEST MODE menu:
Select Yes. Confirm by pressing
Enter
.
The Power LED flashes (75-25) when Yes is selected.
Select the MEASURED VALUES menu
Press
OK
to confirm your choice.
Select the desired circuit then press
OK
to confirm your choice.
Using the
+
or
–
buttons, scroll through the tables until the following table appears (circuit 1 in this example:
Then proceed as follows:
Press the Cooling/Heating button followed by the
+
button (the buttons must be pressed in this order).
Voltage is applied to the star contactors for 1 second.
Read the low pressure directly on the console. If it drops, the direction of rotation is correct. If not, check the power supply wiring.
This function is available in all operating states (even if faults occur)
5.10 TIME SCHEDULES menu
To enter the TIME SCHEDULES menu, use the
+
or
-
buttons to position the cursor on
9
then press
OK
.
The display shows the two submenus below:
To return to the main menu, press the
ESC
button repeatedly.
The adjustment and operation of this function are explained in the TIME SCHEDULES section.
5.11 COMMUNICATION Menu
To enter the COMMUNICATION menu, use the
+
or
-
buttons to position the cursor on
11
then press
OK
.
The display shows the list of communication parameters. Example:
Press
+
or
–
to scroll through the parameters two lines at a time.
To change a value: The bottom right of the screen flashes. Press
+
to raise the value or
–
to lower it).
To return to the main menu, press the
ESC
button repeatedly.
P700
Communication
protocol.
P701
Transmission
speed.
P702
Parity.
P703
Number of stop bits.
P704
Swapped real number format.
P705 Bus
number.
C I R C U I T X T E S T
M A C H I N E S T O P P E D
M A C H I N E A U T O O P E N
P U M P A U T O O P E N
C O M P X N O T A V A I L A B L E
P U M P S T A R T - U P
T E S T M O D E
Y E S
T E S T M O D E
N O
C I R C U I T 1
C I R C U I T 2
L P 1 x x . x b E V A P . T . 1 x x . x °
↑
S U C T I O N T . x : x x . x °
S U P E R H E A T 1 x x . x ° •
T I M E S C H E D U L E S
H O L I D A Y B A N D S
9 - T I M E S C H E D U L E S
P x x x C O M M U N I C A T I O N
M O D B U S P R O T O C O L
1 1 - C O M M U N I C A T I O N
Line 2 on LCD