FRIULAIR ACT ES 20-500, User Maintenance Manual And Spare Parts

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Maintenance, troubleshooting, spare parts and dismantling
28 – EN ACT ES 20 – 500
8 Maintenance, troubleshooting, spare parts and dismantling
8.1 Checks and maintenance
Only qualified personnel should perform troubleshooting and or maintenance
operations.
Prior to performing any maintenance or service, be sure that :

no part of the machine is powered and that it cannot be connected to the mains
supply.

no part of the machine is under pressure and that it cannot be connected to the
compressed air system.

maintenance personnel have read and understand the safety and operation
instructions in this manual.
Before attempting any maintenance operation on the dryer, shut it down and wait at
least 30 minutes. Some components can reach high temperature during operation.
Avoid contact until system or component has dissipated heat.
Daily

Verify that the DewPoint displayed on the electronic instrument is correct.

Check the proper operation of the condensate drain systems.

Verify the condenser for cleanliness.
Every 200 hours or monthly

With an air jet (max. 2 bar / 30 psig) blowing from inside towards outside
clean the condenser; repeat this operation blowing in the opposite way; be
careful not to damage the aluminum fins of the cooling package

Close the manual condensate drain valve, unscrew the strainer (if installed) and clean it with
compressed air and brush. Reinstall the strainer properly tight, and then open the manual valve.

At the end, check the operation of the machine
Every 1000 hours or yearly

Verify for tightness all the screws of the electric system and that all the “Disconnects-Tabs” type
connections are in their proper position inspect unit for broken, cracked or bare wires.

Inspect refrigerating circuit for signs of oil and refrigerant leakage.

Measure and record amperage. Verify that readings are within acceptable parameters as listed
in specification table.

Inspect flexible hoses, and replace if necessary.

At the end, check the operation of the machine.
Every 8000 hours

Replace Electronic drainer service unit