Instruction Manual
22
D
GB
F
E
96246-07.2014-DGbRu
WARNING Several capacity regulators cannot switch at the same time during
compressoroperation!Otherwisethesuddenchangeinloadcan
damagethecompressor!Complywiththeswitchingintervalof60s.
• Complywiththeswitchingsequence:
Swiching on LR1 60s LR2 60s LR3
Swiching off LR3 60s LR2 60s LR1
7.1 Capacity regulator
7| Accessories
ATTENTION Ifthecapacityregulatorismountedatthefactory,thecontrolcom-
ponent(pilotvalve)ismountedandconnectedsubsequentlybythe
customer.Ifthecontrolcomponentisnotconnected,thecylinderbank
isswitchedoffpermanently.Damagetothecompressorispossible!
Deliverystatus(exworks):
Capacity regulator assembled with cover
(transportprotection).
Fig. 22
Fig. 23
LR 3
LR 1 LR 2
Cover
Fig. 24
Screwincontrolunit(pilotvalve)withseal
ring and tight with 30 Nm.
Insert magnetic coil, fasten it with knurled
nut and connect it.
Fig. 25
Before start-up, remove the cover at the capacity
regulator and replace it with the enclosed control
unit(pilotvalve).
Caution!Thecompressorisunderpressure!
Depressurize the compressor first.
Control unit
(Pilotvalve)
Magnetic coil
Knurled nut
Seal ring