Henkel 2250048 REV, Operating Manual

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10
5 Operation
5.1 Indicator Light – color and function
Indicator lights table below provides the list of which level control units have the
indicator light. The list is in order of how the indicator lights appear on the level
control panel. Top of the list is top of the panel; bottom of the list is bottom of the
panel. List also shows the which level control units have the indicator light. Only
master level control units have the Master Air Level pressure switch and indicator
light. Standard level control units do not have this feature.
Indicator Label
Indicator
Color
Indicator ON when
1 PT
Level
2 PT
Level
3 PT
Level
4 PT
Level
Mater Air Low Red
no or low air out of
regulator
X* X* X* X*
High Level
Alarm
Red high level condition X X
Operating Level Green at operating level X X X X
Control Point Amber filling X X X X
Low Level Alarm Red low level condition X X X
Pump Shut
Down
Red
pump (or heater)
shut down – server
low level condition
X
* only Master Level Control units have a Master Air Low indicator and internal
pressure switch. Standard Level Controls do not have the Master Air Low
indicator.
Two-point level control unit can be reconfigured as a special for operations
requiring a “Control Point” and “High Level Alarm”. Inquire about this option
with your Henkel representative.
5.2 Adjusting Master Air Pressure Switch
The master air pressure switch changes state based on the set and reset point
adjustment. The pressure switch is adjustable from 8 to 25 psig. The set and reset
points have a fixed difference of 1.8 psig.