Atlas Copco ZR-55 - Page 96

Additional pictographs on Full-Feature compressors
Reference Name
1 Arrow, indicating rotation direction
2 Warning, voltage
3 Instruction for delta P reading
Purge internal impulse line before any reading of delta P on U-tube (close isolation valves
of U-tube)
4 Indication for correct adjusting of the U-tube water level
Instruction book
95