Schneider Airsystems UNM STH 960-10-500 Manual De Instrucciones Original página 36

GB
UNM STH
2.4.4 Electrical connection
• The mains voltage must match that speci-
fied on the rating plate.
• Electric protection according to technical
data.
• Observe VDE regulations 0100 and 0105.
• Install the main switch (not included in
scope of supply)!
When using extension cords: cable cross-
section: min.
length:10 m.
2.4.5 Checking / changing the
rotation direction
Perform a rotation direction check at the "ex-
ternal" three-phase current source before
starting operation.
1. Connect the compressor to the mains
power supply.
2. Switch on the compressor at the ON/OFF
switch.
3. Note the rotation direction of the fan
wheel.
4. If the rotation direction does not corre-
spond to the direction of the arrow on the
belt guard grating, change the direction.
5. Switch off the compressor at the ON/OFF
switch.
1. Interrupt the power supply to the main
switch.
Have a trained and qualified electrician per-
form the following tasks:
1. Change over the phases.
2. Check the rotation direction. (see above)
3. If direction of rotation has not changed:
contact service partner.
2.4.6 Attach rubber dampers
See instruction manual, part 1.
2.6 Maintenance
Observe the safety instructions!
Interval
Daily
Once after 10 h
II/10
2.5 mm²; max.
No later than Tasks
As needed Clean compressor
After each use Drain condensate from pressure vessel
Commissioning Check the oil level, add oil if necessary.
Check screw connections
Lift the compressor using a fork-lift truck or
crane. Select lifting equipment capable of
supporting the weight of the compressor. See
technical data.
Screw rubber dampers (item 23) to the feet
of the vessel. Do not forget to insert wash-
ers! Tighten nuts to 80 Nm.
2.5 Operation
Observe the safety instructions!
cable
Do not overload the compressor: do not
exceed the max. number of switching cy-
cles and the ratio of operating time to
standstill!
Prevent the vessel from emptying completely
during longer downtimes***:
Close ball valve (item 22).
2.5.1 Insert
1. Connect the compressor to the mains
power supply.
2. Switch on the compressor at the ON/OFF
switch (item 10) or the main switch.
Compressor starts up and switches off
automatically: the compressor is ready
for use.
When the switch-on pressure is reached, the
compressor restarts automatically.
2.5.2 Compressed air bleeding
Install the elastic connecting hose between
the ball valve (item 22) and compressed air
pipe system or compressed air cold dryer.
2.5.3 After use
1. Switch on the compressor at the ON/OFF
switch (item 10).
2. Interrupt the power supply to the main
switch.
See
chap-
ter
2.6.2
2.6.3
2.6.4
2.6.6