User manual

2920 1475 00
36
Instruction book
Important
- After pressing stop button (9), the compressor will run
unloaded for 30 seconds. The compressor stops after this
period. A start command during this period is ignored.
- After stopping, the compressor is prevented from restarting
within a programmable time (20 seconds). A start command
given during this minimum stop time will be memorized;
automatic operation LED (8) lights up. The compressor
will start when the minimum stop time has run out.
3.8 Taking out of operation
At the end of the service life of the compressor, proceed as
follows:
1. Stop the compressor and close the air outlet valve.
2. Switch off the voltage and disconnect the compressor from
the mains.
3. Depressurize the compressor by opening valves (1 and 2-
Fig. 3.7) 2) 3) and loosening plug (5-Fig. 3.11) one turn.
4. Shut off and depressurize the part of the air net which is
connected to the outlet valve. Disconnect the compressor
air outlet pipe from the air net.
5. Drain the water, oil and condensate circuits.
6. Disconnect the compressor condensate piping from the
condensate drain net.
7. Disconnect the cooling water pipes from the compressor.
Footnotes chapter 3
1) GA90 and GA110 have one fan motor and circuit breaker, GA132 up to GA315 have two fan motors and circuit breakers.
2) GA Full-feature (provided with an integrated dryer) have two condensate traps and two drain valves. Compressors without dryer have
one trap and one valve.
3) On compressors with optional OSD separator, a valve is fitted underneath the condensate trap. Close the valve after repairing.
4) If the compressor has only just stopped, wait one minute before checking the level.
5) Available as an option.
6) Customers installation.
7) GA W are equipped with a ventilation fan in the roof. Check that it withdraws heat from the bodywork.
8) If the <<Load>> or <<Unload>> function is not indicated on the bottom line of display (2-Fig. 3.8), press key <<Menu>> (5) until
function <<Main Screen>> appears above key (F1), then press key <<Main Screen>>.
1 Oil filters
2 Air receiver
3 Oil separator element
4 Oil level sight-glass
5 Oil filler plug
6 Oil drain plug
Fig. 3.11 Air receiver
50544F
12
3
4
5
6