Position of silica gel bags on ZR compressors
• On Full-Feature compressors with Low-Load option and Full-Feature ND compressors, the nozzle type
depends on the working pressure. Install the correct nozzle according to the table below.
Compressor Nozzle at 4 bar (58
psi)
Nozzle at 7 bar (102
psi)
Nozzle at 8.6 bar
(125 psi)
Nozzle at 10 bar
(145 psi)
Z 55 FF 1617 7572 00 1617 7571 00 1617 7571 00 1617 7571 00
Z 75 FF 1617 7573 00 1617 7571 00 1617 7571 00 1617 7571 00
Z 90 FF 1617 7440 00 1617 7572 00 1617 7572 00 1617 7571 00
• The setpoint of the dryer heater depends on the working conditions, consult the Atlas Copco Customer
Centre to have the setpoint adjusted.
• On ZR compressors, fit the water drain plugs (1, DP1, DP2, DP3) that are fixed to the water pipe of one
of the compressor elements (Eh, El) in a plastic bag. The plugs are painted green and their positions are
shown below.
Instruction book
100
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