2. General
The OLC-D1 and OLC-K1 are Optical Level Controlling de-
vices. The OLC-K1 is for monitoring oil level in compressors
while the OLD-D1 is for controlling levels in vessels.
The relay in OLC-K1 is used in the safety chain for the
compressor and will open and lock-out in case of a failure.
OLC-D1 is meant for keeping a specified level in a vessel by
turning the relay on and off.
3. Definitions
Product range
Definitions
ESD
Electro Static Discharge
HW
Hardware/electronics
OLC
Optical Level Controller
NC
Normally Closed (relay)
NO
Normally Open (relay)
Technical manual
OLC-D1, OLC-K1
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