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4| Compressor assembly
Fig. 6: graduated
internal diameter
4.4 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.
D
GB
4.5 Laying suction and pressure lines
F
ATTENTION Property damage possible.
E
INFO
A rule of thumb: Always lay the first pipe section starting from the shut-off valve downwards and
parallel to the drive shaft.
Rigid
fixed point
10
The pipe connections have graduated inside diameters so that pipes
with standart millimetre and inch dimensions can be used.
The connection diameters of the shut-off valves are rated for maximum
compressor output. The actual required pipe cross section must be
matched to the output. The same applies for non-return valves.
Improperly installed pipes can cause cracks and tears, the result
being a loss of refrigerant.
Proper layout of the suction and discharge lines directly after the
compressor is integral to the system's smooth running and
vibration behaviour.
As short as
possible
Fig. 7
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