GEA Bock HG22P A - Manual (Page 12)

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4.6 Laying suction and discharge lines
INFO! Proper layout of the suction and discharge lines directly after
the compressor is integral to the system’s smooth running and
vibration behaviour.
ATTENTION! Improperly installed pipes can cause cracks and tears, the result
being a loss of refrigerant.
A rule of thumb:
Always lay the first pipe section starting from the shut-off valve
downwards
and parallel to the drive shaft.
4.5 Pipes
Pipes and system components must be clean and dry inside and free of scale, swarf and layers of
rust and phosphate. Only use air-tight parts.
Lay pipes correctly. Suitable vibration compensators must be provided to prevent pipes being
cracked and broken by severe vibrations.
Ensure a proper oil return.
Keep pressure losses to an absolute minimum.
Rigid
Fixed point
As short as
possible
Fig. 16
4| Compressor assembly