• Fluid refrigerant will also cause freezing of the eyes; always wear safety glasses.
• Refrigerant is harmful. Do not inhale refrigerant vapours. Check that the working area is adequately
ventilated.
Be aware that certain components such as the refrigerant compressor and the discharge pipe can become
quite hot (up to 110 °C - 230 °F). Therefore, wait until the dryer has cooled down before removing the
panels.
Before starting any maintenance or repair work, switch off the voltage and close the air inlet and outlet
valves.
Local legislation
Local legislation may stipulate that:
• Work on the refrigerant circuit of the cooling dryer or on any equipment which influences its function
must be undertaken by an authorised control body.
• The installation should be checked once a year by an authorised control body.
General
For all references see section Introduction.
The following remarks should be kept in mind:
• Keep the dryer clean.
• Brush or blow off the finned surface of condenser monthly.
• Stop the compressor, close the air outlet valve and switch off the voltage.
• Remove any dirt on the condenser inlet with a vacuum cleaner.
• Next, clean with an air jet in the reverse direction to normal flow. Use low pressure air. If necessary,
the pressure may be increased up to 6 bar(e) (87 psig).
• Clean the condenser area with a vacuum cleaner.
• Inspect and clean the electronic condensate drain monthly.
8.9 Service kits
Service kits
For overhauling and for preventive maintenance, a wide range of service kits is available. Service kits
comprise all parts required for servicing the component and offer the benefits of genuine parts while
keeping the maintenance budget low.
Also a full range of extensively tested lubricants, suitable for your specific needs is available to keep the
compressor in excellent condition.
Consult the Spare Parts List for part numbers.
8.10 Storage after installation
Procedure
Run the compressor regularly, e.g. twice a week, until warm. Load and unload the compressor a few times.
Instruction book
160 2920 7180 30
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