3
The display board is shown in the above figure, there are three areas from up to down: I, II and III.
Part I contains 4 LED status indicator lamps and conductivity value display area. The 4 LED status
indicator lamps respectively indicate:
POWER----indicator lamp for power supply
HIGH----indication for conductivity over limit alarm
μS/cm----conductivity value, representing that the displayed value is the conductivity value of the
produced water
℃----temperature value of the fluid, representing that the displayed value is the temperature value of
the current fluid
SLP(displayed in the nixie tube)----ECS is not switched on and system is in the standby status.
FULL (displayed in the nixie tube)----water tank is full and the “FULL” lamp will be lightened
ALA(displayed in the nixie tube)----“ALARM” lamp will be lightened when alarm appears。
Part II is the indication of RO system operation status, which contains 9 LED indicator lamps, and the
lamps respectively indicate:
LOW FEED PRESS----indicator lamp for low feed alarm, indicating that there is no water in the raw
water tank or the water is not sufficient.
LOW PRESS----indication for inlet water operation of high pressure pump, indicating that the inlet
water operation pressure of high pressure pump is too low.
HIGH PRESS----indication for over pressure operation of high pressure pump, indicating that the
outlet pressure of high pressure pump is too high.
INLET VALVE----indication for inlet magnetic valve turning on, indicating that the inlet magnetic
valve is turned on.
M1----indication for low pressure pump operation, indicating that the low pressure pump is switched
on.
M2---- indication for high pressure pump operation, indicating that the high pressure pump is
switched on.
RO----indication for water producing status, indicating that the RO system is in water producing
operation.
FLUSH VALVE----indication for flush magnetic valve turning on, indicating that the flush magnetic
valve is turned on.
FULL----indication for full pure water tank, indicating that the water level in the pure water tank has
reached the high limit.
Part III contains setting and operation keys, their meanings are:
----parameter setting key, select the parameter items to be modified or inquired.
----circularly select thousand, hundred, ten and unit digit, the selected digit flashes.
----adjust the number of the selected digit (circle from 0 to 9)
----C/T key, confirm to save the modified parameter in parameter modification or switch between
the indication value of conductivity and temperature in measuring status.
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