Operator`s manual

P/N 3027435 Rev. C

Introduction

WRO 300

installation to a lower value by a qualified technician to fit local condi-

tions, especially in cases of low feed water conductivity (<100 µS/cm).

The limit should be set at least 5% lower than the initial value recorded

at installation.

The low rejection rate notification will be displayed when the WRO 300

enters Standby if the set limit has been exceeded for more than 5 con-

secutive minutes during the previous run period.

1.5 Mains Power Switch

The mains power switch is only used in service situations to turn off the

power. The mains power switch is located on the rear side behind a

detachable cover.

1.6 Operator’s Panel

1.6.1 Description of Buttons

Buttons Description

Press to start operation (RUN).

Press to stop operation (STANDBY).

Press to enter

SELECT (only in Standby mode)

Press to start the selected procedure (SELECT or CHEM SELECT).

Press during the chemical intake procedure to pause.

Press during dwell period to initiate rinse.

Press to silence audible alarms.

Press to unlock the display and enter the alarm list.

Mains power switch