Compressor Holding Charge - Danfoss SH090 Application Manuallines

Application Guidelines
Mounting of SH180-240-295-
380-485
Compressor holding
charge
Installation
Compressors SH180-240-295-380-485 come
delivered with rigid mounting spacers for parallel
mounting.
If used in single applications, the compressor
must be mounted with the flexible grommets as
available in accessory conversion kit 8156138.
The grommets must be compressed until contact
1 manifoldable compressor
with rigid spacers
Rigid spacers to remove
29.5 mm
Each compressor is shipped with a nominal dry
nitrogen holding charge between 0.3 and 0.7 bar
and is sealed with elastomer plugs.
Before the suction and discharge plugs are
removed, the nitrogen holding charge must be
released via the suction schrader valve to avoid
an oil mist blowout. Remove the suction plug
between the flat washer and the steel mounting
sleeve is established. The grommets attenuate
to a great extent the transmission of compressor
vibrations to the base frame.
The required bolt size for the SH180-240-295-
380-485 compressors is HM8-55. This bolt must
be tightened to a torque of 21 Nm.
HM 8 bolt
Lock washer
Nut
Flat washer
Steel mounting sleeve
Rubber grommet
Rigid spacer
Nut
first and the discharge plug afterwards. The plugs
shall be removed only just before connecting the
compressor to the installation in order to avoid
moisture from entering the compressor. When
the plugs are removed, it is essential to keep the
compressor in an upright position so as to avoid
oil spillage.
1 single compressor
with rubber grommets
Rubber grommets from
kit 8156138
HM 8 bolt
Lock washer
Compressor
base plate
Flat washer
27.5 mm
Nut
AB243586442172en-001301
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