KW-231-1 11
NOTICE
Serious injuries are possible. New component
may suddenly become detached.
Check the thread.
Carefully screw in the new component. Observe
the tightening torques!
Perform a tightness test before commissioning!
After mounting all components of the liquid injection
system:
NOTICE
After assembly work on the compressor, there is
a risk of oil or refrigerant leakage
Perform a tightness test before commissioning!
4.1 Mounting the extension kit "Capacity
control" (CRII) and "Start unloading" (SU)
Information
In order to allow the solenoid valves for capacity
control (CRII) and start unloading (SU) to be
mounted, the corresponding CRII and SU cylin-
der heads must already be pre-installed on the
compressor.
For safety references and installation descrip-
tions for the CRII or SU cylinder heads, includ-
ing mounting positions and exact equipment of
the cylinder banks, see Technical Information
KT-101 and KT-110.
• Remove the oval flange and seal from the
CRII/SU cylinder head and clean the sealing
surface.
• Apply a new seal, paying attention to the
guide pin positions!
• Use new screws to fasten the solenoid valve.
Alternately tighten the screws (tightening
torque 80 Nm).
NOTICE
Risk of compressor damage!
Use only suitable original solenoid coils!
• Press the solenoid coil onto the armature until
it engages.
• Insert the electric connector of the device and
screw it down (tightening torque 5 Nm).
Two completely equipped compressors, a 4-cyl-
inder type (left) and a 6-cylinder type (right) are
shown in the figure as examples. Arrangement
and equipment of the cylinder heads depending
on the equipment version ordered.
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