10
Alarm
ALarm. This warns of a level alarm condition.
Level alarm if occuring or has been latched.
Testing the alarm relays and circuit. To do this press the
'AL' button, either in run or commissioning mode.
Note: In commissioning mode only AL is displayed.
The level signal is out of range (OOr).
On / off control
Water level rising – pumping in.
Pumping in mode, pump on - vessel filling.
The moving segment display shows that the
level is rising.
Water level falling – pumping out
Pumping out mode, pump on ~ vessel draining.
The moving segment display shows that the
level is falling.
Pump off
Water level between pump on / pump off positions.
Segment does not move.
Proportional control
Valve opening.
The moving segment display shows that
the valve is opening, causing the amount of
water entering the boiler / tank to increase.
Valve closing.
The moving segment display shows that
the valve is closing, causing the amount of
water entering the boiler / tank to decrease.
Valve stationary – Water input / steam output in equilibrium.
Segment does not move.
or
and
and
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