EKOM DK50 3x4VR/M, User Manual

Page: 45 / 64

PRODUCT MAINTENANCE
06/2022 45 NP-DK50 3x4VR_M-AD-A-EN-3_06-2022
vessel. Tighten any loose terminals.

Inspect the connector and pressure sensor
B1 (on the air tank).
Checking the operating condition of the
AD dryer

Check the service indicator and alarms on
the display screen as specified in Chapter
0 and schedule service or repairs as
needed.

Only a service technician is permitted to
modify program parameters using the
cursor buttons on the LOGO! module and
only after a password is entered.

The operator may monitor the individual
values on the display but has no access to
the parameters of the program.
Indication of an upcoming or expired
service interval
Configuration of a new service interval
Press ESC + ► together and hold for 10
seconds to reset the service interval. Once
complete, the display returns back to the
home screen.
The SET UP function for a new service
interval is only functional if the dryer indicates
an upcoming service interval or that a service
interval has expired. Once complete, the
MAINT
counter increases (number of
completed service operations) by one. See
the screen: Counters.
Information screens
– version AD750 E
Information screens are activated by
simultaneously pressing and holding down the
ESC key and cursor buttons.

ESC+◄- „COLUMNS TIMING“ screen
- Information about the defined valve cycling
times
- INLET_A(INLET_B)
– duration of the
adsorption phase (half-cycle) for chamber A
(chamber B)
- PURGE_A(PURGE_B)
– duration of the
regeneration phase for chamber A (chamber
B)

ECS+▼ – „COUNTERS“ screen
- Information about counters, the number of
times service has been performed and the
number of times the solenoid valves have
been activated
- MAINT
– number of service operations
- VALVE
– number of times the solenoid valves
have been activated (the number displayed
indicates the number of times the Inlet_A inlet
valve into chamber A has been activated)
- Version
– software version