Ingersoll-Rand R30-37ie, Руководство оператора

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4. MAINTENANCE, TROUBLESHOOTING AND DECOMMISSIONING
4.1 MAINTENANCE
Before attempting any maintenance operation, make sure that:
1. No parts of the system are under pressure.
2. No parts of the system are electrically powered.
WEEKLY OR EVERY 40 HOURS OF OPERATION
Verify the temperature on the control panel display is acceptable.
Visually check if the condensate is drained regularly.
MONTHLY OR EVERY 200 HOURS OF OPERATION
Clean the condenser with compressed air, taking care not to damage the condenser fins..
At the end of the above mentioned operations, check if the dryer is working properly.
Check the condition of any filters installed with the dryer. Replace elements as needed.
YEARLY OR EVERY 2000 HOURS OF OPERATION
Check if the flexible tube used for condensate drainage is damaged and replace it if necessary.
Check if all connecting pipes are properly tightened and fixed.
At the end of the above mentioned operations, check if the dryer is working properly.
EVERY 24 MONTHS OR EVERY 4000 HOURS OF OPERATION
Replace the fan pressure switch.
4.2 TROUBLESHOOTING
NOTE: FOLLOWING BEHAVIORS ARE NORMAL CHARACTERISTIC OF OPERATION AND NOT TROUBLES
It is possible for the Freeze Warning to occur during normal operation, when the dryer is operating unloaded for long periods.
Troubleshooting and eventual control and/or maintenance operations must be performed
by qualified personnel.
For maintaining the refrigerating circuit of the machine, contact a refrigeration engineer.
TROUBLE POSSIBLE CAUSE REMEDY
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No power in the line. Restore the power in the line.
Problems with cabling. Check cabling; if the trouble persists, replace it.
Compressed air inlet/outlet inverted. Check if the compressed air inlet/outlet is connected properly.
The flow rate and/or temperature of the air
entering the dryer are higher than the nominal
values.
Restore the nominal conditions.
The ambient temperature is higher than the
nominal values.
Restore the nominal conditions.
The condenser is dirty. Clean the condenser.
Condensate drain is not functioning.
Check the no loss condensate drain; if the trouble persists,
replace it.
Problems with cabling or with the electronic
control board. Check the cabling and the electronic control board, if the trouble
persists, replace them.
Activation of compressor’s internal thermal
protection. Wait one hour and check again. If the fault persists: stop dryer and
call your local Ingersoll Rand distributor.
Problems with the electrical components of the
compressor.
Check the electrical components of the compressor.
Defective compressor. Replace the compressor.
The flow rate and/or temperature of the air
entering the dryer are higher than the nominal
values.
Restore the nominal conditions.
The ambient temperature is higher than the
nominal values.
Restore the nominal conditions.
The condenser is dirty. Clean the condenser.
Cod. 710.0048.24.01 Rev0H – 02.2015