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Maintenance and service
8
January 2017
America
53 /72
The compressor is equipped with two air filters.
The air filter serves to filter the intake air. The
condition of the air filter must be checked through
regular visual inspections.
The air filter elements must be changed, if the
message [
Service due
] or [
Air filter
] is displayed
on the electronic control unit.
Check the air filter
1
Switch OFF the main disconnect switch and
secure it against switching on again.
2
Open the enclosure, create access.
3
Check filter elements.
– Replace filter elements if heavily soiled.
4
Close the enclosure.
Change the air filter element
NOTICE
Property damage
Operating the compressor without an air filter,
even for a short time, can cause severe damage
to the compressor.
➯
Never operate the compressor without an
air filter.
➯
Dirt must not be allowed to enter the clean
air side of the air filter!
1
Switch off the main disconnect switch.
2
Open the enclosure, create access.
3
Release pressing frame.
4
Replace filter elements.
5
Attach pressing frame (hexagon screw
tightening torque
< = 8 Nm / 71 ft-lbs
)
6
Close the enclosure.
8.6.7
Connection terminals in the switch
cabinet / control transformer
setting
DANGER
Electric shock
Deadly electrical voltage
➯
Exercise extreme caution when
working with electrical equipment.
➯
Before starting maintenance work,
disconnect the compressor and lock
it out to prevent restarting.
DANGER
Electric shock
Dangerous electrical voltage
➯
Work on the electrical equipment
may be performed by specialized
electrical technicians only.
➯
With the speed-controlled types
(RS) there is a risk of electric
shocks due to charged capacitors!
Isolate the compressor and wait
10 minutes before touching any
electrical parts.
➯
Check the DC bus voltage.
NOTICE
Property damage
Incorrect control transformer settings can cause
problems in operation.
➯
Checking the control transformer settings
is part of commissioning and periodic
inspection and maintenance, because grid
voltage conditions can change.
Checking the setting of the control transformer
forms part of commissioning and periodic
inspection/maintenance, as the mains voltage
conditions may have changed.
The connection terminals in the switch cabinet are
to be checked during the first commissioning and
thereafter in accordance with the maintenance
plan and re-tighten if necessary.
435V 415V 400V 380V 360V
Summary of Contents for L160 110A V2
Page 1: ...User manual Screw compressor L160 L290 V2 L160RS L290RS V2 America ZS1149274 03 January 2017...
Page 7: ...Foreword 1 January 2017 America 7 72 1 6 Rating plate Fig 1 1 Rating plate...
Page 69: ...Appendix 9 January 2017 America 69 72...
Page 70: ...9 Appendix 70 72 America January 2017...