Microline T.F.C.-300 Manuel

R.O.DRINKING WATER SYSTEM

MODEL T.F.C.-300

INSTALLATION, OPERATION & SERVICE MANUAL

IMPORTANT NOTICES:

This reverse osmosis system contains replaceable treatment components critical for effective performance. It is the user's

responsibility to, and the manufacturer strongly recommends that the user, periodically test the product water to verify the system is

performing satisfactorily.

DO NOT USE WITH WATER THAT IS MICROBIOLOGICALLY UNSAFE OR OF UNKNOWN QUALITY,

WITHOUT ADEQUATE DISINFECTION BEFORE OR AFTER THE SYSTEM.

TABLE OF CONTENTS

Page

SECTION I. INTRODUCTION ................................................................................3

SECTION II. SPECIFICATIONS ...............................................................................5

SECTION III. INSTALLATION STEPS.......................................................................6

A. Faucet Installation ..................................................................................... 6

B. Feed Water Saddle Valve Installation ....................................................... 8

C. Drain Clamp Installation........................................................................... 8

D. R.O. Manifold Assembly Installation........................................................ 9

E. Position the Drinking Water Holding Tank

and Make the Final Hose Connections.....................................................9

F. Start Up ................................................................................................... 10

SECTION IV. OPERATION AND MAINTENANCE ...............................................10

A. Normal Operation ................................................................................... 10

B. Changing Filters....................................................................................... 11

SECTION V. TROUBLE SHOOTING GUIDE ........................................................12

EXPLODED VIEW AND PARTS LIST ................................................................................14

SECTION I. INTRODUCTION

Your new Reverse Osmosis (R.O.) Drinking Water

System uses a combination of ﬁltration technologies

to reduce unwanted contaminants in a water supply.

The following steps combine to give you the best in

clear sparkling drinking water:

MECHANICAL FILTRATION/ACTIVATED

CARBON–The sediment preﬁlter has been

designed to reduce the larger particles such as silt,

rust and scale. Its 5 micron (equal to 0.0002 inch)

nominal rating helps to give maximum life to

the R.O. Membrane. Activated carbon particles

contain a vast network of pores. The tremendous

surface area of these pores (typically 800–1200

square meters per gram of carbon) gives the carbon

very good adsorptive sites for chlorine as well as

other substances that contribute to taste and odors.

REVERSE OSMOSIS MEMBRANE–The R.O.

Membrane is the heart of the ﬁltration system.

It is designed to reduce the dissolved mineral

content of the water. Minerals picked up in the

environment by the water are measured as Total

Dissolved Solids (TDS). In the Reverse Osmosis

process, dissolved minerals are separated from

the incoming water (Feed Water) to produce the

product water (the Permeate). The excess minerals

are rinsed to drain (the Reject Water).

The membrane is specially constructed, fully

aromatic polyamide ﬁlm and is classiﬁed as a Thin

Film Composite (T.F.C.).

The spiral wound construction of the R.O.

Membrane provides maximum surface area for

water production and is less susceptible to fouling

by particulate matter, turbidity and colloidal

materials.

ACTIVATED CARBON POST FILTER–The

product water from the Holding Tank passes

through the Activated Carbon Post Filter on the

way to the Dispensing Faucet. The Activated

Carbon Post Filter has been designed to reduce

tastes and odors that may pass through the system.

It adds a ﬁnal “polish” to the water.

AUTOMATIC SHUT–OFF VALVE–The ASO

Valve senses when the Holding Tank is full and

closes the feed water supply to prevent excess

reject water from going to drain when the unit is

not producing water.

TYPICAL T.F.C.–300 UNDER SINK INSTALLATION DIAGRAM

Figure 1

DISPENSING

FAUCET WITH

AIR GAP

DRAIN CLAMP

DRAIN

(3/8" Black)

PRODUCT

(3/8" Blue)

RO MANIFOLD

DRAIN

(1/4" Black)

INLET

(1/4" Red)

TANK

(3/8" Yellow)

DRINKING

WATER

HOLDING TANK

SHUTOFF VALVE

(Open Position)

FEED WATER

SADDLE VALVE

(Cold Water Line Only) LOCATE DRAIN CLAMP

ABOVE "P" TRAP

4" MIN ACTIVATED

CARBON

POST FILTER

HOUSING

REVERSE

OSMOSIS

MEMBRANE

HOUSING

SEDIMENT/

CARBON

PREFILTER

HOUSING

OPTIONAL T.F.C.–300 BASEMENT INSTALLATION DIAGRAM

DISPENSING

FAUCET

PRODUCT

(3/8” Blue)

NOTE: FOR BEST FLOW RATE,

KEEP TUBING FROM R.O.

MANIFOLD TO DISPENSING

FAUCET AS SHORT AS

POSSIBLE

HOLDING TANK

SHUTOFF VALVE

(Open Position)

TANK

(3/8” Yellow)

RO MANIFOLD

DRINKING

WATER

HOLDING

TANK

MOUNT HOLDING

TANK ON SHELF OR

STRAP BETWEEN

FLOOR JOISTS

(shelf or straps not

included)

ACTIVATED

CARBON

POST FILTER

HOUSING

REVERSE

OSMOSIS

MEMBRANE

HOUSING

SEDIMENT/

CARBON

PREFILTER

HOUSING

BASEMENT

FLOOR

PLEASE NOTE: IF AIR GAP IN FAUCET IS NOT USED IN BASEMENT

INSTALLATIONS, A PROPER AIR GAP MUST BE CREATED. PLEASE

CHECK WITH LOCAL PLUMBING CODES. SEE EXAMPLE ABOVE.

FLOOR

NOTE: FOR BEST FLOW RATE, KEEP

TUBING FROM HOLDING TANK TO R.O.

MANIFOLD AS SHORT AS POSSIBLE

FEED WATER

SADDLE VALVE

(COLD WATER

LINE ONLY)

INLET

(1/4” Red)

DRAIN

(1/4” Black)

1” AIR GAP

REQUIRED

SECTION II. SPECIFICATIONS

TABLE A – QUALIFIED SYSTEM PERFORMANCE

Because the performance of an R.O. Membrane is highly dependent upon pressure, temperature, pH and TDS, the

following should be used for comparison purposes only.

U.S. Metric

Membrane Production140-60 gpd 151-227 lpd

Membrane TDS Reduction193% minimum 93% minimum

Drain (reject water) Flow 3–5 x product ﬂow 3–5 x product ﬂow

Empty Storage Tank Precharge 5–7 psig air 35–48 kPa air

1Industry standards measure R.O. Membranes performance with no backpressure on the product water, at 65 psig (448kPa) and 77°F (25°C). Further

conditions on the above are 600 ppm TDS. Production rate and TDS reduction ﬁgures are for a new Membrane that has been rinsed for 24 hours. The production

rate of a new Membrane can decrease by 10% per year or more, depending upon the scaling and fouling tendencies of the Feed Water.

TABLE B – RECOMMENDED OPERATING LIMITS FOR FEED WATER

Speciﬁcations T.F.C. Membrane

Water Pressure 40–100 psig (280–690 kPa)

TDS 2000 ppm (also mg/l) max.

Temperature 40–100°F (4–38°C)

pH 4–11 (optimum rejection at pH 7.0 - 7.5)

Hardness Less than 10 gpg (170 mg/l) or soften

Iron Less than 0.1 ppm (also mg/l)

Manganese Less than 0.05 ppm (also mg/l)

Hydrogen Sulﬁde None

Chlorine See note

Bacteria Must be potable**

NOTE: Chlorine will damage a T.F.C. Membrane. The Sediment/Carbon Preﬁlter has been designed to reduce chlorine from the incoming

water. Change ﬁlter every 6 to 12 months, more often if the water contains more than 1 ppm chlorine.

**DO NOT USE WITH WATER THAT IS MICROBIOLOGICALLY UNSAFE OR OF UNKNOWN QUALITY, WITHOUT ADEQUATE

DISINFECTION BEFORE OR AFTER THE SYSTEM.

SECTION III. INSTALLATION STEPS

All plumbing should be done in accordance with state

and local plumbing codes.

NOTE: Some codes may require installation by a

licensed plumber; check with the local plumbing

authority prior to installation.

In restricted under–sink areas, it may be easier to

install the faucet ﬁrst. Allow adequate tubing lengths

for any ﬁnal component position.

A. Faucet Installation–The faucet contains an

anti–siphon air gap. While the system is producing

water, the drain water ﬂows from the R.O.,

through the air gap and then to the household

drain. The purpose of the air gap is to prevent

water in the drain from backing up into the R.O.

Drinking Water System.

The easiest installation is to use an existing spray

attachment hole. If the spray faucet hole is not

available, then the sink top must be drilled.

1. Mark the location of the center of the faucet

base.

2a. Drilling a stainless steel sink:

•Center punch the hole to provide a starting

point for the drill.

•Start with a smaller drill as a pilot, and then

drill a ½" diameter hole to accept the bolt

of a 1¼" Greenlee Hole Punch (1¼" chassis

punch).

•Clean away any chips.

•Install the punch and tighten the nut to cut

the hole.

•Deburr any sharp edges.

2b. Drilling a porcelain sink:

It is best to use a special 1¼" diameter cutter

designed for porcelain. A carbide tipped

masonry bit is a second choice.

•Place a piece of tape over the area to be

drilled to help prevent chipping.

•Drill a pilot hole for the porcelain cutter.

Use the pilot drill supplied with the kit or a

carbide tipped drill.

•When drilling the 1¼" hole, drill slowly and

carefully; the porcelain chips easily.

•After drilling, clean the area well. Iron ﬁlings,

if left in place, can cause rust stains.

2c. Drilling a counter top:

NOTE: The counter top must be less than 1¼"

thick. Treat ceramic tile as porcelain until the

tile is penetrated, then use the carbide tipped

metal cutter.

Formica counter tops may be drilled with a

good 1¼" wood bit; drilling a 3/32" pilot hole

will help keep the bit going straight.

3. Assemble the 1/8” Screws & Toggle Wings into the

Faucet Base. Adjust the Wings approximately 1” plus

the thickness of the mounting surface away from the

bottom of the Faucet Base.

4. Place the Base Assembly through the mounting hole

on the sink or counter top.

Drop the handle of the Wrench through the Faucet

Base opening. This will separate and orient the Toggle

Wings. Position the Faucet Base so that the arrows are

pointing in the direction that the faucet handle will

face.

Tighten the 1/8” Screws with a Phillips screwdriver.

When the Toggle Wings make contact with the

mounting surface, adjust the Faucet Base to the exact

desired position. Tighten the 1/8” Screws an additional

2 –3 turns while holding the Faucet Base in place.

TAB

HOSE BARBS

3/8” QUICK

CONNECT FITTING

BLACK 3/8” POLYTUBE

(TO DRAIN CLAMP)

BLACK 1/4” POLYTUBE

(TO DRAIN PORT

ON RO SYSTEM)

BLUE 3/8” POLYTUBE

(PRODUCT OUTLET)

5. Connect the tubing to the Faucet. Push the Blue 3/8”

Polytube into the 3/8” Quick Connect Fitting. Push the

Black 3/8” Polytube onto the large Hose Barb. Push the

Black ¼” Polytube onto the small Hose Barb.

6. Determine which direction the handle should face

(right or left). As shown, it can be mounted in two

directions. With the handle facing the chosen direction,

slide the fastened Polytubes through the Faucet Base

and slide the Faucet Assembly into the Faucet Base,

lining up the tabs on the Faucet with the slots on the

Base. The Faucet Assembly may have to rotate slightly

to get the tabs into the slots. When aligned, apply ﬁrm

downward pressure to get the Faucet to fully seat. After

the Faucet Assembly is seated, lock it into place by

rotating it clockwise about 30 degrees.

B. Feed Water Saddle Valve Installation

Decide on location. Do NOT connect to a hot

water feed line. If you are not sure of the supply,

run the hot water and feel the supply piping.

Water over 100°F may cause permanent damage to

the R.O. Membrane. (Refer to Fig. 3.)

FEED WATER SADDLE VALVE

Cold Water

Line

Saddle

Valve

Handle

Insert

Plastic

Ferrule

Tubing To

Manifold

Inlet

Compression

Nut

Tightening

Screw

Reversible

Back Plate

Figure 3

1. Shut off the water supply and drain the line.

2a. To install on (soft) Copper Tubing supply line:

•Turn the Handle of the Feed Water Saddle

Valve counter clockwise (outward) until the

lance does not protrude from the gasket. It

may have to be pushed in.

•Assemble the Feed Water Saddle Valve on

the tubing.

–for 3/8" OD tubing use the back plate side

with the small groove to prevent distortion of

the tubing.

–for larger tubing (up to 5/8" OD) use the large

groove of the back plate.

•Assemble and tighten the brass screw.

•To pierce the tubing, turn the Valve Handle

fully clockwise (inward). A small amount of

water may escape from the outlet until it is

fully pierced.

When you feel the Valve Handle ﬁrmly

seated in the clockwise direction, the copper

tube is pierced and the valve is closed.

2b. To install on (hard) Steel or Brass Tubing

supply line.

•The supply line should now be drained. Use a

battery powered or properly grounded drill to

avoid shock hazard.

•Drill a 3/16" hole in the supply line; (do not

drill through the opposite wall).

•Turn the handle to expose the lance no more

than 3/16" beyond the rubber gasket.

•Place the body of the valve over the hole so

that the lance ﬁts into the hole.

•Assemble and tighten the brass screw.

•Turn the Valve Handle clockwise (inward)

until ﬁrmly seated. The valve is closed.

3. With the Feed Water Saddle Valve closed,

open the sink faucet and the water supply and

allow the water to run for a few minutes to

ﬂush any debris caused by the installation.

•Close the faucet and check the Feed Water

Saddle Valve for leaks.

C. Drain Clamp Installation

3/8" DRAIN CLAMP ASSEMBLY

Drain Clamp

Front Plate

Drain Pipe 1/4" Nut

1/4" Screw

Drain Clamp

Back Plate

Black Drain Tubing

Figure 4

The following are instructions for discharging into

the sink drain pipe. (Refer to Fig. 1.)

1. Position the Drain Clamp on the sink drain

pipe above the drain trap. Allow room for

drilling. Tighten securely.

2. Use a battery powered or properly grounded

drill. Using the Clamp port as a drill guide,

drill a 7/32" hole through the wall of the drain

pipe. Do NOT penetrate the opposite side of

the pipe.

3. Locate the 3/8" Black Drain Tubing which is

attached to the faucet.

NOTE: When cutting the polytubing make

clean, square cuts, failing to do so could result

in poor connections and possible leaks.

NOTE: The lowest point of the line should be

the point of connection to the Drain Clamp.

There should be no sag in the line as this may

cause excessive noise as the reject water is

ﬂowing to drain.

•Route the tubing to the Drain Clamp and

trim to length.

•Insert the tubing into the Drain Clamp. Make

sure the tubing is pressed all the way in.

D. R.O. Manifold Assembly Installation

Various installation sites will require different

types of mounting fasteners; be sure the fastener

selected will provide a ﬁrm, solid mounting. A

support panel may be necessary on thin cabinet

walls or to span between wall studs on particle

board or drywall.

Do not drill through exterior cabinet walls or

leave sharp wood screw points exposed in readily

accessible cabinet interiors.

The close proximity of a dishwasher or a trash

compactor may require special fabrication of a

mounting plate.

1. The mounting bracket will accept either

#10 or #12 (5 mm) mounting screws spaced

on 6" (15 cm) centers. Allow at least 4" (10

cm) of clearance beneath the ﬁlter housings

to accommodate ﬁlter changes. Mark the

two locations (the bracket can be used as a

template). Install the screws and tighten them

until the heads are about 5/8" from the wall.

2. Locate the ¼" Red Feed Water Tubing.

Remove the red plug from the ﬁtting labelled

“In” on the manifold and insert the tubing.

Reference the special supplement sheet in

the carton for proper connection of all tubing

and removal of plugs. Run the tubing along its

course to the Feed Water Saddle Valve, trim to

length. (Refer to Fig. 1.)

Refer to Fig. 3. To the end of the red polytube

install the Compression Nut, the Plastic

Ferrule, and the Insert. Connect to the Feed

Water Saddle Valve.

3. Locate the ¼" Black Drain Tubing attached

to the faucet. Remove the black plug from the

ﬁtting labelled “Drain” on the manifold and

insert the tubing. The end of the Black Drain

Tubing that should be inserted into the “Drain”

port will have a green drain restrictor in it.

4. Locate the 3/8" Blue Product Water Tubing

attached to the faucet. Remove the blue plug

from the the elbow connected to the ﬁtting

labelled “Out” on the manifold. Route the

tuning to the elbow ﬁtting and trim to length.

Insert the tubing into the elbow ﬁtting.

5. Locate the 3/8" Yellow Tubing. Remove the

yellow plug from the ﬁtting on top of the

manifold labelled “Tank” and insert the tubing.

(Refer to Fig. 1.)

6. Hang the Manifold Assembly on the

mounting screws and tighten. DO NOT

OVERTIGHTEN.

E. Position the Drinking Water Holding Tank and

Make the Final Hose Connections.

1. Check the tank precharge pressure. Make sure

it is between 5 to 7 psig. If not, use a bicycle

hand pump or other pump to bring the pressure

up to the 5 to 7 psig range.

2. Pull the cap/plug off the top of the tank where

the Tank Shut–Off should go. (Refer to Fig. 1.)

3. Wrap Teﬂon tape around the ¼" male outlet

thread. Wrap in the direction of the threads

(clockwise, when looking down on the Holding

Tank). The tape will act as a thread sealant.

Screw on the Holding Tank Shut–Off Valve.

4. Locate the 3/8" Yellow Tubing which is attached

to the elbow on top of the manifold and run

the tubing along its course to the tank and trim

to length. Insert the tubing into the Holding

Tank Shut–Off Valve ﬁtting. Make sure the

tubing is pressed in all the way past the O–ring.

The ﬁtting will grab the tubing and seal it in

place.

F. Start Up

At time of start up and each time the ﬁlters are

changed the system should be sanitized (also see

Operation and Maintenance Sec. IV, B.1–4).

1. Sanitizing the system. Use a drip pan to aid

clean–up.

NOTE: The system should be sanitized

BEFORE installing the Sediment/Carbon

Preﬁlter, the Activated Carbon Post Filter or

the R.O. Membrane.

•Use a good quality unscented 5¼% liquid

chlorine household bleach.

•Open the Dispensing Faucet and open the

Holding Tank Shut–Off Valve (the handle

should be parallel with the valve body).

•Remove the plug on the underside of

the manifold labelled “SEDIMENT/

CARBON”. Pour one capful of bleach (this is

approximately 2 tsp. or 10 ml) into one of the

white Housings. Insert Housing O–ring into

the Housing groove, (press ﬁrmly in place).

Engage and ﬁrmly tighten the Housing hand

tight only.

•Remove the plugs labelled “MEMBRANE”

and “ACTIVATED CARBON” from the

underside of the manifold. To each of the

remaining white Housings, add one capful of

bleach. Insert a Housing O–ring, engage and

ﬁrmly tighten the Housings hand tight only.

•Slowly open the Feed Water Saddle Valve

(turning counter clockwise).

•As soon as the water begins to come out of

the Dispensing Faucet, close the Faucet.

•Let stand for 15 minutes.

NOTE: During this time, check the system

carefully for leaks.

•At the end of 15 minutes, CLOSE the Feed

Water Saddle Valve and open the Dispensing

Faucet.

•Allow the Holding Tank to completely

drain, then remove the Sediment/Carbon

Filter Housing (the farthest of the three from

the In–Out ports), empty, and install the

Sediment/Carbon Preﬁlter. Firmly tighten the

Housing hand tight only.

•Remove the Activated Carbon Filter Housing

(the closest of the three to the

In–Out Ports), empty, and install the

Activated Carbon Post Filter. Firmly tighten

the Housing hand tight only.

2. Installing the R.O. Membrane:

•Remove the R.O. Membrane Housing, (the

middle one), and empty.

•Insert the Membrane up into the manifold.

(The O–rings should be up toward the

manifold.) Check the Housing O–ring for

proper position in its groove, engage and

ﬁrmly tighten the Housing hand tight only.

3. Rinsing the system:

•Slowly open the Feed Water Saddle Valve

fully counter clockwise.

•The Holding Tank Valve should be open.

•Check the Air Gap Window on the

Dispensing Faucet to be sure that the drain

water is ﬂowing. The R.O. System is now

making water.

•Do not open the Faucet for at least 8 hours.

•Do not use the ﬁrst three full tanks of water.

CAUTION: The R.O. Membrane is shipped

with a preservative in it. To ensure proper

rinsing of the R.O. Membrane it is important

to wait at least 8 hours before emptying each

tank.

When the Faucet is ﬁrst opened, expect air

and carbon ﬁnes (very ﬁne black powder)

from the Activated Carbon Post Filter to be

rinsed out. This is normal for the ﬁrst tank

of water or after the Activated Carbon Post

Filter is changed.

SECTION IV. OPERATION & MAINTENANCE

A. Normal Operation

1. It is normal for the Total Dissolved Solids

(TDS) of the water to be higher than normal

during the ﬁrst 5 gallons of operation; this is

due to the sanitizing solution and the new

Post Filter. After this water is rinsed to drain,

the removal rate should stabilize at a value of

greater than 75%.

2. R.O. systems produce drinking water at

relatively slow rates; it can take up to 5 hours

or more to ﬁll the Holding Tank. Normal

operation is to let the Holding Tank ﬁll with

water and then draw water as needed. When

the pressure in the Holding Tank falls to a

given pressure (as the water is being used) the

Automatic Shutoff Valve (ASO Valve) will

start water production and the system will reﬁll

the Holding Tank. When the Holding Tank is

full and no water is being used, the ASO Valve

will automatically shut–off the feed water to

conserve water.

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