10.17.2 Checking condensate drainage
The condensate drain opens automatically when enough condensate has collected. The
Power LED
flashes when condensate is drained.
The viewing window
2
(Fig 37) can be carefully removed in order to press the «TEST» button.
One of the illustrated condensate drains is fitted according to compressor model (Fig 38).
Precondition The machine has run for a sufficient period under LOAD.
The
Power LED lights.
Thee
Alarm LED (if provided) does not light.
Fig. 38 Checking condensate drainage
1
Power LED
2
«TEST» button
3
Alarm LED
➤ Visual check: Does condensate flow as soon as the drain automatically opens?
Condensate does not flow?
The condensate drain hose or the drain itself is blocked.
➤ Switch off the machine and clean the drain pipe.
➤ Condensate drain manual check: Press and hold the «TEST» button for at least 2 seconds.
➤ Carry out maintenance on the condensate drain if condensate still does not flow.
➤ Collect condensate in a suitable container and dispose of in accordance with environmental
regulations.
10.17.3 Condensate drain maintenance
The condensate drain cannot be cleaned. The service unit must be changed if condensate does not
drain.
Precondition The supply disconnecting device is switched off,
the device is locked off,
a check has been made that no voltage is present.
Machine fully vented (no pressure).
10 Maintenance
10.17 Refrigeration dryer maintenance
Number: 9_6945 01USE
Service manual Screw compressor
Aircenter SX 3/7.5 SIGMA CONTROL BASIC
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