Oil Level Controller Olm-Iq - Bitzer KT-600-4 Manual Del Usuario

4.3.1 Oil level controller OLM-IQ

With the OLM-IQ, BITZER offers its own electronic oil level controller. It is mounted to the sight glass connection by
means of an adaptor. The OLM-IQ actuator-sensor unit can be purchased as an accessory to the CM-RC com-
pressor module (mounted ex factory or for retrofitting) and enables a stable oil level through continuous oil level
measurement, dosing of the oil return and adaptation to the oil supply pressure. The logic including communication
to the higher-level system controller and data log is fully integrated into the CM-RC.
The OLM-IQ is available for ECOLINE standard and ECOLINE tandem compressors for standard refrigerants and
R744.
Fig. 11: Example equipment of a 6-cylinder compressor with CM-RC compressor module, discharge gas temperature sensor, pressure transmit-
ters, oil heater, CRII capacity control, DP-1 differential oil pressure switch and OLM-IQ oil level controller.
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
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