Instruction Manual
Instruction Manual
D103216X012
L2sj Controller
January 2015
9
4. Check the setup, as follows:
a. Press down firmly on the displacer rod end and observe the amount of time it takes for the output pressure to
reach supply pressure.
b. Slowly release the displacer and observe the amount of time it takes for the output pressure to exhaust to 0 psig.
c. The time observed in step a should equal the time observed in step b. If these times are not equal, loosen the
spring for quicker exhaust action, and repeat step 4.
Note
Always observe one or more dump cycles to verify the L2sj controller settings and adjustments.
Wet Displacer Adjustments
Refer to the setup and adjustments label shown in figure 4 for the following adjustments.
D To raise the position where the L2sj catches a rising level, loosen the spring.
D To lower the position where the L2sj catches a rising lever, tighten the spring. If the spring is at it's maximum
extension, extend the relay post slightly.
D To increase the level span, decrease the sensitivity by sliding the span adjustor to the right.
Note
Always observe one or more dump cycles to verify the L2sj controller settings and adjustments.
Maintenance
Parts are subject to normal wear and must be inspected periodically and replaced as necessary. The frequency of parts
inspection and replacement depends upon the severity of service conditions. When inspection or repairs are required,
disassemble only those parts necessary to accomplish the task.
WARNING
Always wear protective clothing, gloves, and eyewear whenever possible when performing any maintenance operations to
avoid personal injury or property damage.
To avoid personal injury or property damage caused by the release of pressure or process fluid, observe the following
before starting maintenance:
D Personal injury or property damage may result from fire or explosion if natural gas is used as the supply medium and
preventive measures are not taken. Preventive measures may include, but are not limited to, one or more of the
following: Remote venting of the unit, re‐evaluating the hazardous area classification, ensuring adequate ventilation,
and the removal of any ignition sources. For information on remote venting of this controller, refer to page 7.