ELGi EG 11, Operation And Maintenance Manual

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Controller Manual
Message 3 - Compressor Warning messages
Warning Description
DPAF If DPAF Digital Input is Open and DPAF ON in factory settting
DPOF If DPOF Digital Input is Open and DPOF ON in factory
Dryer Probe Failure When Ch-4 analog sensor input fails
Low Dew Point When Ch-4 Dew point temp. is less than Set value
High Dew Point When Ch-4 Dew point temp. is greater than Set value
High Differential Pressure
When the diffference between Sump. Pressure and Discharge Pressure exceeds the Set
Pressure. (Only in Sump Pr. Enabled condition)
Warn Temperature When Discharge temp. exceeds the set warn temperature (Default is 105Deg C / Deg F)
Change Oil Filter When Service reaming Hr. reaches 0000 Hrs
Change Air Filter When Service reaming Hr. reaches 0000 Hrs
Change Oil When Service reaming Hr. reaches 0000 Hrs
Change Grease When Service reaming Hr. reaches 0000 Hrs
Change Separator When Service reaming Hr. reaches 0000 Hrs
Dryer Warn If Dryer Digital Input is Open
6.1 Important Machine Settings for Users:
1. Control Mode
N N
Local – User can Start and Stop the Compressor by using local Start/Stop key
N N
Remote – User can Start and Stop the Compressor by using Potential Free Digital Input.
(Refer Digital Input Connector – X04).
N N
DCS – User can Start and Stop the Compressor by using RS485 Modbus communication port
( Refer Connector - X07 ).
2. Unload Mode
If this Enabled, Compressor will run only in unload mode and it will never allow compressor to run in Load mode. (This mode
is used for service and maintenance purpose).
3. Auto Restart
If this Enabled, Compressor will run automatically after power failure and it resumes based on previous condition. Default 90
sec delay given in the factory
4. Load / Unload Pressure:
Compressor will run between Load and Unload pressure based on Compressed Air Utilization.
5. Warn RST Delay
It is used to delay the compressor start after power resumes if Auto Restart Mode is ON.
6. Star Delay
Star to Delta change over delay time. Default 6 sec delay given in the factory.
NOTE: If in case of Emergency users are advised to stop the compressor using “Emergency Stop Push Button” available
in the front Panel. This is applicable for all the control Mode explained above.