EcoWater CHC, Installation & Service Manual

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19
Verifying the operation of the Blow Down Actuator
1. Enter into the Bleed screen by pressing the F3 soft key on the Control Station. The Bleed screen
will appear, and then press the Bleed Test button (F1). This will force the blow down actuator to
reverse its control for a period of 20 seconds.
2. Verify the actuator opens and closes the valve for the specified time. If the draining water is
visible, verify that water is expelled during the opening of the blow down.
Verifying the operation of the Automatic Screen Filtration system
1. With the system ON, Press the Manual Back Wash (Man BW (F1 key on the Main screen) button
on the filter’s Control Station. The Filter should automatically complete a back wash sequence
and increase the back wash counts by 1. If the filter is constructed with a second filter element,
the second filter should back wash within 40 seconds of initiation of the back wash.
2. Verify that the pressure on the filter’s output gauge is at least 30 PSI.
3. Verify that the pressure on the CHC pressure Gauge is not over 105 PSI.
4. Verify that No filtration Alarms are shown.
5. At the completion of a back wash the filter’s differential pressure switch gauge should return to 0
psi.
Calibrating the Filter Pressure Transducers
1. With the system’s power ON, but the pump OFF, Press the Cal (F2) key as indicated on the main
screen of the Control Station. The screen will change and you will then Press the Pressures soft
key on the screen. You will notice that the screen again changes allow you to select which
transducer (Pump or Outlet) you wish to calibrate.
2. Select the Filter Pump Transducer soft key. The calibration screen will appear and then press the
Zero Cal Save button, Press the Main (F4 key) and then go back to the Calibration screens.
3. Select the Filter Outlet Transducer soft key. The calibration screen will appear and then press the
Zero Cal Save button.
4. Turn the pump’s power ON, wait 30 seconds and then record the pressures from the pump
pressure gauge.
5. Select the Filter Pump Transducer soft key. The calibration screen will appear and then press the
Value within the HI Cal area on the screen. A numeric entry screen will appear and press the
corresponding keys that correspond with your recorded pump pressures. Press the Return key
(Arrow like on keyboard) and then press the HI Cal Save button, Press the Main (F4 key) and
then go back to the Calibration screens.
6. Select the Filter Pump Transducer soft key. The calibration screen will appear and then press the
Value within the HI Cal area on the screen. A numeric entry screen will appear and press the
corresponding keys that correspond with your recorded pump pressures. Press the Return key
(Arrow like on keyboard) and then press the HI Cal Save button, Press the Main (F4 key) and
then go back to the Calibration screens.
7. Verify that the pressures as shown on the main screen correspond with those pressures entered
within this section.