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10| Accessories
10.1 Capacity regulator
ATTENTION If the capacity regulator is installed at the factory, it is subsequently
Fig. 18
Fig. 20
Before commissioning, the blind flange with
screws must be removed and replaced by the
new set capacity regulator with O-ring joints
and screws. Observe position and construction
of the capacity regulator.
Attention! Compressor is under pressure!
Depressurize the compressor first.
WARNING
installed and connected by the customer.
LR 1
Several capacity regulators cannot switch at the same time during
compressor operation! Otherwise the sudden change in load can
damage the compressor! Comply with the switching interval of 60 s.
• Comply with the switching sequence:
Swiching on
LR1
Swiching off
LR2
Delivery condition 1 (from the factory):
Cylinder cover prepared for capacity regulator.
Delivery condition 2 (from the factory):
Connect capacity regulator in terminal box or
switch cabinet.
60s
LR2
60s
LR1
Fig. 19
D
GB
F
E
Fig. 21
33
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