Liquid Controls LectroCount LCR 600, Installation-Parts

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Introduction
17
Meter System Overview
Meter System Components
METER SYSTEM
A Liquid Controls meter system not only accurately measures product, it also regulbates and purifies
product flow in order to produce the optimal conditions for measurement. Optimal systems typically
include an air/ vapor eliminator, strainer, meter, register, and control valve. The LectroCount LCR 600, a
register, serves as the central controller of the meter system. Most components in the meter system are
hard wired to the LCR 600 via data communication cables. See manual M100-10.
AIR / VAPOR ELIMINATORS
Air and vapor eliminators sense and remove air or vapor in the piping before it enters the metering
system, ensuring that only liquid will pass through the meter for measurement. Mechanical air eliminators
do not require a data connection to the LectroCount LCR 600 (in LPG applications, they are often
plumbed to a 3-way solenoid which is wired to the LectroCount LCR 600). Optical air eliminators use an
optical sensor to monitor liquid levels and a solenoid-actuated valve to turn the vapor vent on and off. The
optical sensor and the solenoid valve are connected to the LectroCount LCR 600 by separate data
cables. See manuals M300-20 and M300-21.