6. Connect the automatic drain outlet (Da) to a drain collector.
The drain pipes to the drain collector must not dip into the water. If the pipes have been fitted outside the
room where freezing is possible, they must be insulated. For draining of pure condensate water, install an
oil/water separator which is available from Atlas Copco as an option. See section OSD unit.
7. Check the oil level.
The oil level sight-glass should be between 1/4 and 3/4 full.
Position of oil level sight-glass
8. Provide labels, warning the operator that:
• The compressor may automatically restart after voltage failure (if activated, consult Atlas Copco).
• The compressor is automatically controlled and may be restarted automatically.
Instruction book
134 2920 7090 51
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