Parker Pure Water Series Installation Operation & Maintenance Download Page 48

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MAINTENANCE

Step 6:

Start the High Pressure Pump by pressing the

H PMP

button located on the Master Control Center (or

on the Remote Control Center).

Step 7:

Upon start-up inspect all plumbing connections in the unit for leakage. Varying temperatures during
shipment may cause plumbing connections to seep when starting the RO unit for the first time. Secure
the unit and repair any leaks before proceeding. Once leaks are repaired, open the seawater source
and restart the unit.

Step 8:

Observe the Brine Flowmeter, to ensuring all air and bubbles exited the RO system prior to proceeding
to next step.

Step 9:

Gradually turn the High Pressure Bypass Valve (Black Valve) to

NORMAL/RO

position. The pressure

gauge should rise steadily to a reading of 800 psi.

NOTE:

When the High Pressure Bypass valve is closed, the salinity of the initial permeate produced will
be relatively high and will probably activate the salinity alarm, do not be worried. Salinity should
reduce in 3 to 5 minutes.

Step 10:

Observe the system pressure on the High Pressure Gauge. During RO production, the indicated pressure
should be at 800 psi. If the pressure reading is not at 800 psi, adjust the pressure regulator valve (Refer to
Figure 4.1) using a screwdriver, until the reading reaches 800 psi.

NOTE:

If the RO unit is used for other than seawater purification (in freshwater or brackish water
applications), reduce pressure as necessary to achieve product flow no greater than 120% of
design flow to avoid membrane damage.

RO high pressure production should NEVER EXCEED 950 psi, doing so risks damage to RO
unit, VOIDING factory warranty and may also risk personal injury.

NOTE:

At initial start-up of RO unit, PRESS

DUMP

on the Master Control to keep the product water

diverted from the water storage tank. IF the unit is filled with preservative storage solution, water
must be kept running AT LEAST 30 MINUTES to clear preservative solution from system

Step 11:

Check the RO unit for water leakage periodically at the initial start-up. Observe Product Flow meter.
Record the product flow after 48 hours of operation (use the sample log sheet provided in Table 5.3).

NOTE:

For Remote Control Operation:
The initial start-up of the RO unit must be followed FIRST prior to use of remote. Once initial
start-up steps are performed, the necessary valve (HP Bypass and Freshwater Flush) positions
would be set. Therefore the RO unit may now be started (or stopped) via the remote control
panel for steps 5-6.

4.2

TO SHUT DOWN UNIT

Step 1:

As the RO unit operates, turn the High Pressure Bypass Valve (Black Valve) to

CLEANING POSITION

This will release the high pressure and air trapped within the RO system.

NOTE:

For the Remote Control Operation: The HP Bypass Valve may be left in the RO position (FULL
CLOCKWISE) during shutdown. STEP #1 would be OMITTED.
Master Control Center (or via Remote Control Center)

Step 2:

Press the

H PMP

button to stop the High Pressure Pump.

Master Control Center (or via Remote Control Center)

Step 3:

Press the

L PMP

button to stop the Low Pressure Pump.

Step 4:

Then turn switch

OFF