Flowserve LRR1-40 TDS Control Unit Instrukcja Użytkownika Pobierz pdf (Strona 22)

Operation

Normal operation

LED "Power" is illuminated.

LEDs 1 - 4 are not illuminated, the conductivity

electrode is immersed.

Continuous boiler blowdown

LED "Power" is illuminated.

LED 2 is flashing while the continuous blowdown

valve is closing.

LED 3 is flashing while the valve is opening.

Intermittent boiler blowdown

Only applicable if Automatic Intermittent Blowdown Control was activated:

Upon application of mains voltage the timed intermittent blowdown interval (time between

intermittent blowdowns) is started.

During the time-controlled blowdown pulse the automatic intermittent boiler blowdown

takes place:

LED "Power" is illuminated.

LED 4 is lit during intermittent blowdown and relay

contact 4 is closed. The intermittent blowdown valve

opens.

Test

Note

LEDs 2 and 3 go out once the valve position dictated by continuous

blowdown control is reached.

Test

Note

LED is not lit during the timed interval between intermittent boiler blowdowns.

Relay contact 4 is open, the intermittent blowdown valve is closed.

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Flowserve LRR1-40 TDS Control Unit Instrukcja Użytkownika Strona 22