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of biological fouling. After long term storage, running a

series of long flushes will often return the RO membrane

to normal production levels. Fully open the bypass hose

and then shut off your system's pure water outlet at the

DI filter. Run it like this for 10 minutes and then open your

pure water outlet and restrict your bypass to its normal

running setting. Doing this flushing process 2 or 3 times

may be required to return to normal production levels.

4. Expect decreased production rates when running your

RO with colder source water. The ideal temperature for

source water is 77°F. You can expect around half the flow

for water at 50 degrees that you would get at 75 degrees,

even if both sources are at the same PSI. Use your TDS

meter to measure the temperature of your source water

to determine if this is the cause of lowered flow rates.

5. Leaks in the system and the pole tubing can release

pressure and take flow away from the jets in your brush.

A couple of small leaks in the pure water lines can cut

pressure to the jets in half. Read the "leaks" section

below for more information on eliminating leaks in the

system.

High TDS

1. Retest your water sample. When you get a higher than

expected reading on your handheld TDS meter, it is a

good idea to use the water you are testing to wash out

both the measuring lid and the measuring prongs of the

meter itself. Do not get the body of the meter wet, it is

not waterproof. Minerals can stay in the cup from other

measurements and can make the sample appear to

have a higher TDS than it actually does. Taking multiple

samples ensures maximum accuracy.

2. High TDS coming out of the system usually indicates

that the DI filter is spent. Testing before and after the

DI filter will verify that there is not another issue. If the

TDS levels before and after the DI filter are the same, the

filter is completely depleted. Replace the DI filter (P/N

WF2CDI-6) once depleted. If water coming from the RO

filter has high TDS levels, check the RO performance as

well.

3. Elevated TDS levels coming from the RO membrane

can indicate that both the RO and DI need to be

replaced. First, remove the DI filter from the end of the

RO filter. Use your handheld TDS meter to measure the

TDS water coming out of the RO and compare that to the

TDS levels of the source water. Your RO should have a

rejection rate of over 80%. If the rejection rates are below

normal, follow the step below to ensure that the RO filter

needs to be replaced.

6 - Phaser Pure Water System Operation and Maintenance Manual

4. If your RO rejection is lower than expected, you can

try running a 10 minute flush. Increasing flow through the

filter housing will help the flushing process. Fully open the

bypass hose and then shut off your system's pure water

outlet at the DI filter. Run it like this for 10 minutes and

then open your pure water outlet and restrict your bypass

to its normal running setting. Check your RO TDS to see

if it is dropping to more acceptable levels. Repeat the

forward flush 2-3 times if necessary to drop the RO TDS.

5. If you RO TDS does not drop, your RO is probably

faulty. You can continue to use the faulty RO, however you

will use up your DI resin faster than normal. Replace the

faulty RO filter (P/N WF2CRO-40) as soon as possible.

Water Coming Out Of Discharge Hose

1. Strong bypass flow is normal during system operation.

This water is the discharge water and it contains a very

high TDS. This water is non-potable but is also not

harmful to plants. DO NOT DRINK DISCHARGE WATER.

3. Milky white bypass flow is a common occurrence when

starting up the system or using a new RO membrane. It is

trapped air being pushed out of the filter housing and will

stop once the air is gone.

13. Leaks

Leak Between Brass Garden Hose Fitting And

Plastic Housing

1. Unscrew leaky brass fitting.

2. Check brass fittings for damage or deformation.

If necessary replace brass fittings. Replacement parts

can be ordered from ABC or bought from a local store.

The plastic hole size is ½" national pipe thread (NPT)

and the Brass fitting connection are a standard

¾" Garden hose thread (GHT).

3. Fittings should be attached with an adhesive to

prevent leaks. We recommend Liquid Nails Perfect

Glue from Home Depot.

4. If leak persists replace filter.

Leak Between Brass Garden Hose Fittings

1. With the source water off, check that the fitting is

properly tightened. Tighten until you feel the gasket

engage. DO NOT OVER TIGHTEN

2. Unscrew the leaky connection. Check gasket in the

female fitting for damage or deformation. Replace

gasket if necessary.