C6.1.11/0718-0619/E
19
2.9.7 How to perform a maintenance using the "Compressors service" sub-menus
The "Compressors service" sub-menus allow to perform a maintenance session consisting of:
▪
disabling an output;
▪
checking and (possibly) erasing the running hour of a load.
NOTE: Disabling an output will exclude it from the regulation.
NOTE: The "Compressors service" sub-menu can be protected by a password.
1)
Enter the "Service" menu
2)
Use the
UP
and
DOWN
keys to select the "Compressors service circuit 1" or "Compressors
service circuit 2" sub-menu
3)
Press
ENTER
Figure 25: "Compressor 1 service" menu
To disable an output during a maintenance session:
1)
Enter the "Compressor service circuit 1" sub-menu
2)
Use the
UP
and
DOWN
keys to select the "Load status" sub-menu
3)
Press the
SET
key
To enable or disable a load for regulation:
Press one of the following keys as per
Figure 25
:
▪
ENB
to enable the load for regulation
▪
DISB
to disable the load for regulation
Regulation with some outputs disabled:
If some of the outputs are disabled, they will be excluded
from the regulation, and regulation will be performed with the other outputs.
To display the running hours of a load:
The controller memorises the running hours of each load.
To see how long a load has been working:
1)
Enter the "Compressor service circuit 1" sub-menu
2)
Use the
UP
and
DOWN
keys to select the "Load status" sub-menu and refer to
Figure 25
for
screen layout.
To erase the running hours of a load:
After a maintenance session, it is usually useful to erase
the running hours of a load. Follow the steps below:
1)
Enter the "Compressor service circuit 1" sub-menu
2)
Use the
UP
and
DOWN
keys to select the "Load status" sub-menu
3)
Press the
SET
key
4)
Press the
RST
key to erase the running hours
To exit:
Press the
EXIT
key to get back to the "Service" menu.
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