Operating Modes - Ecosoft MO6500BWTSS Instruction Manual

8.3. OPERATING MODES

When operating, the controller will be in any one of the following modes: Service, Stop, Forward
Flush 1, Forward Flush 2, Standby, Fault. Immediately after starting, the controller will display
firmware version and then proceed to Service if tank permeate level is low and backpressure switch
is not activated.
Here and below information is relevant to the firmware version "OC5000EC ver_03". For
information on different firmware versions please contact your technical support.
Configuring and manipulating the controller is done using
mode of operation and pertaining information is shown on the LED display. Opening the circuit in
the Stop domain of terminal block (see figure 1) will bring the controller to Stop mode regardless of
its current mode of operation. Closing the circuit will take the controller back to the mode that had
been interrupted. Stop terminals can be used to connect a microswitch on pre-treatment media
filter, a relay or other means of external control to the controller.
Following is the description of controller modes.
SERVICE.
In Service mode, the RO machine produces permeate. If no fault conditions are taking place, float
switch is low and backpressure switch is not activated, the controller will operate in Service mode.
Status of outputs in SERVICE
Booster and antiscalant pumps
Entry valve
Forward flush valve
Bypass valve
Alarm
Display will flash cumulative runtime of the RO machine, remaining time before scheduled
maintenance alert (if set in configuration step 3.1), temperature and conductivity of permeate
(or TDS of permeate if configuration step 1.15 is set to "on"). Pushing
Forward Flush 1, pushing
configuration step 1.3 is set to non-zero value), pushing
feed pressure, low feed pressure, or high permeate conductivity condition occurs, the controller
will go into Fault mode.
FORWARD FLUSH 1
During Forward Flush 1, membranes are rinsed with high flow of raw water allowing concentrate run
freely to drain. Forward Flush 1 occurs during normal operation with frequency set in configuration
steps 1.5, 1.6. It is also activated in Service mode if the controller is going to transition to Standby
after reading high tank level or high permeate pressure. It can be manually activated while in Service
by pushing START button.
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INSTRUCTION MANUAL ECOSOFT RO SYSTEM MO6500BWTSS
START twice in 0.5 seconds or less will initiate Forward Flush 2 (if
START and
on
open
closed
open (if configuration step 1.3 is set to 0)
closed (if configuration step 1.3 is non-zero value)
off
START once will initiate
STOP will bring on Stop mode. If high
STOP buttons. Current
15