KRIWAN OLC-D1 Level Control (Bitzer Part-No. 34794901)

Made in Germany

Specification:
Bitzer Part-No. 34794901
Supply AC 50/60Hz, 230V, ±10%, 3VA
Ambient temperature range: -30°C – +60°C
Relay AC 240V.max.2.5A, C300

Features:
Level monitoring
The OLC series consists of a screw-in prism unit and an optical level detection device. The prism is installed in the compressor or the vessel and is not included with the OLC. The level detection device can be replaced without opening to the compressor or the vessel. Detection of the level is via infrared light. There is a built-in monitoring system for correct installation.

Oil level monitoring in compressors
The OLC series are used for contactless oil level monitoring in compressors in order to safeguard sufficient lubrication of the internal mechanics.
As the refrigerant can be absorbed by oil, fluctuation of the oil level in the compressor is common in refrigeration systems and thereby oil levels need to be monitored.
OLC-D1 is for screw compressors and opens the relay after 5 seconds delay.

Level monitoring in vessels
The OLC-D1 is meant for level monitoring in vessels and does not have the operation recognition input, D1.
The OLC-D1 releases the relay if the level is too low and activates the relay if the level is valid. There is a 5 seconds time delay between switching the relay.