Spirax Sarco LC2250, Инструкция по установке и обслуживанию

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IM-P402-130 EMM Issue 9 10
Alarm
AL arm. 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