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Fig. 12: Actuator-sensor unit of the OLM-IQ
1: Oil level sensor in the sight glass
2: Oil connection 7/16-20 UNF
3: Data cable and voltage supply in IP65 housing
Fig. 13: Oil level controller OLM-IQ2 (part no. 347 334 13) at the compressor (example)
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Further components of the refrigeration system
Suction-side cleaning filter
In branched pipe works having many soldered or welded joints, formation of scale and other impurities can often
not be avoided entirely. This is why the installation of a suction-side cleaning filter with interchangeable block in-
serts is urgently recommended. The filter elements remain in the system only temporarily, in order to collect de-
tached impurities. Where required (e.g. motor damage), it is also possible to use acid-binding filters.
Installation position upstream of the suction header.
Suction-side suction accumulators
Any suction accumulator that may be required is selected taking into account the maximum and minimum capacit-
ies specified by the manufacturer. However, in particular with low temperature applications, the capacity ranges are
relatively strongly limited with respect to pressure drop and oil return. If necessary, it is recommended to install sev-
eral accumulators distributed over the individual sections. In series applications, it is advantageous to design the
KT-600-6 // PDF Download
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