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MODEL 00HC-2016, 00HC-2017,
00HC-2018, 00HC-2046,
00HC-2047 & 00HC-2048
OPERATION & MAINTENANCE MANUAL
Manufactured With Pride
In The USA
www.ameriwater.com • 800-535-5585
AmeriWater • 1303 Stanley Avenue • Dayton, OH 45404
98-0106
Rev J
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TABLE OF CONTENTS
SECTION 1, GENERAL INFORMATION..........................................................................................1
1.1 INTRODUCTION..........................................................................................................................1
1.2 ELETRICAL LEAKAGE STANDARDS......................................................................................2
1.3 CAUTIONARY SYMBOLS..........................................................................................................3
SECTION 2, TECHNICAL INFORMATION.......................................................................................4
2.1 THEORY OF OPERATION......................................................................................................... 4
2.2 SPECIFICATIONS.......................................................................................................................5
2.3 SPECIFIC ENVIRONMENTAL/TRANSPORT CONDITIONS ANTICIPATED....................6
2.4 TEMPERATURE CORRECTED RO2 PRODUCTION RATES.............................................7
SECTION 3, COMPONENTS AND SCHEMATICS..........................................................................8
3.1 RO2 EXTERNAL FRONT VIEW................................................................................................8
3.2 RO2 INTERNAL REAR VIEW..................................................................................................10
3.3 DI POLISHER EXTERNAL FRONT VIEW..............................................................................12
3.4 STORAGE TANK.......................................................................................................................14
3.5 ELECTRICAL DIAGRAM.......................................................................................................... 18
3.6 SIDE ENTRY HOOD..................................................................................................................18
3.7 FLUID DIAGRAM.......................................................................................................................19
SECTION 4, INSTALLATION..........................................................................................................20
4.1 GENERAL INSTALLATION INSTRUCTIONS.......................................................................20
4.2 RO2 INSTALLATION................................................................................................................. 20
4.3 DI POLISHER............................................................................................................................. 21
4.4 STORAGE TANK.......................................................................................................................22
SECTION 5, SYSTEM START-UP...................................................................................................23
5.1 PT401 PRIMING PROCEDURE..............................................................................................25
5.2 REFILLING PT401.....................................................................................................................26
5.3 PT401 ANTISCALANT SETTINGS.........................................................................................26
SECTION 6, OPERATION................................................................................................................27
6.1 OPERATION...............................................................................................................................27
6.2 BYPASS PROCEDURE............................................................................................................27
SECTION 7, MONITORING.............................................................................................................28
SECTION 8, MAINTENANCE..........................................................................................................29
8.1 RO2 NORMAL MAINTENANCE ITEMS................................................................................. 29
8.2 DI POLISHER RESIN PACK EXCHANGE.............................................................................31
8.3 DI POLISHER RESIN PACK REGENERATION....................................................................32
SECTION 9, ALARMS......................................................................................................................33
9.1 RO2 OPERATING STATUS MESSAGES & ALARMS.........................................................33
9.2 DI POLISHER ALARMS............................................................................................................33
SECTION 10, STANDARD SETPOINT TABLE..............................................................................34
SECTION 11, OPTIONAL DISINFECTION.....................................................................................35
11.2 A WORD ABOUT HYDROGEN PEROXIDE/PEROXYACETIC ACID............................37
11.3 SILEX DISINFECTION..........................................................................................................38
11.4 TANK DISINFECTION...........................................................................................................39
SECTION 12, CLEAN IN PLACE (CIP)...........................................................................................40
SECTION 13, TROUBLESHOOTING GUIDE.................................................................................42
SECTION 14, SPARE PARTS LIST................................................................................................47
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SECTION 1, GENERAL INFORMATION
1.1 INTRODUCTION
This system is designed to pretreat and purify water for use in health care applications.
The 00HC2046 system is shipped completely assembled with required water treatment
components. This Operation Manual was written specifically for the RO2 model, storage tank
and DI polisher. Your system was thoroughly tested and in excellent condition when it was
shipped to you. However, because damage during shipment is possible, please unpack and
carefully inspect the system as soon as you receive it. Please notify AmeriWater if any
problems are encountered.
Please read the Operations Manual before using the system. Contact AmeriWater
Customer Service with any questions at 1-800-535-5585 Monday through Friday 8:00 a.m. to
5:00 p.m. eastern standard time. For after hours emergencies call 1-800-535-5585 and follow
the instructions on the recorded message. Our on-call technician will return your call as soon
as possible. This entire Operations Manual should be read before operating or servicing the
system. This Operations Manual should then be kept near the system and used as a
reference and troubleshooting guide.
Materials that Contact Product Water:
ABS Acrylic Carbon EPDM
Nylon Polyester Polyethylene Polypropylene
PVC Stainless Steel TFCM* (Polyimide) Tygon
*Thin Film Composite Membrane
All of the above listed materials meet FDA and/or NSF standards.
Life Expectancy of Components:
The 2 Carbon Cartridge Filters will last for up to 200 hours depending upon the content of the
incoming water. These should be changed whenever chloramines breakthrough occurs.
The PT401 anti-scalant should be refilled every 200 hours as well.
DI resin packs should be changed whenever the quality indicator light changes from green to
red.
Safety Features
The RO2 is equipped with several safety features for the benefit the user. They consist of the
following:
Color-coded inlets and outlets are on the membrane assemblies to avoid mix-ups.
INCOMING TAP WATER, PRODUCT WATER, and REJECT WATER TO DRAIN hoses are
labeled to prevent incorrect connections.
An audible alarm sounds whenever water quality drops to an unacceptable level.
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1.2 ELETRICAL LEAKAGE STANDARDS
The AmeriWater RO2 water treatment system complies with the National Electrical Standards
for Product Safety and Construction.
During the design process the individual components were tested and the initial test results for
the electrical components (pump, solenoid valves, and controller) were all less than 0.1
microampere leakage.
Completed product testing with the RO2 functioning resulted in the following RO2 standards
being set.
TEST PERFORMED
ROS ELECTRICAL
LEAKAGE STANDARD
ANSI / AAMI SAFE
LIMITS STANDARDS
Normal Polarity <10 microamperes 100 microamperes
Neutral Open (single fault) <100 microamperes 500 microamperes
Ground Open (single fault) <100 microamperes 500 microamperes
Ground & Neutral Open * <200 microamperes Not Required
* Although this test is not required by ANSI/AAMI, it is still performed as an additional safety measure.
The cabinet of the RO2 is PVC plastic for additional operator safety.
The RO2 is compliant with ANSI/AAMI ESI-1993, Safe Current Limits for Electro medical
Apparatus. All major components of the ROS (controller, pump, solenoid valve, antiscalant
pump) as well as other components are UL listed.
This product has been tested to the requirements of CAN/CSA-C22.2 No. 61010-1,
second edition, including Amendment 1, or a later version of the same standard
incorporating the same level of testing requirements.
Product marked with this symbol indicates that it is protected throughout by double
insulation or reinforced insulation.
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1.3 CAUTIONARY SYMBOLS
Caution, risk of electrical shock!
Attention, risque de choc électrique!
Open by qualified service personnel only!
Ouverture par le personnel qualifié seulement!
Refer to this Operation and Maintenance Manual for instructions and
safety considerations. Référez-vous au manuel des Opérations et
Entretien pour instructions et mesures de sécurité.
Caution, risk of danger!
Attention, danger potentiel!
For service by qualified service personnel only!
Entretien par le personnel qualifié seulement!
120 15
Replace with 120Vac, 15amp, time-delay fuse only.
Remplacer avec 120Vac, 15 amp, fusible à retardement
seulement.
Earth Ground terminal
Borne de mise à la terre
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SECTION 2, TECHNICAL INFORMATION
2.1 THEORY OF OPERATION
RO2:
The process of osmosis can be reversed by placing pressure upon the feed water side
(concentrated solution side) of the membrane. Water will be forced through the membrane
barrier to yield water that is purer on the lower pressure side of the membrane than on the
more concentrated solution side (higher pressure side) of the membrane. The feed water will
become more “concentrated,” and will be discharged through the reject port known as “reject
water” or “concentrate”.
Hence, the liberation of purer water from its solutions is caused by the reversal of the osmotic
pressure; the operation is termed “Reverse Osmosis”. Reverse Osmosis is commonly
referred to as “RO”.
DI Polisher:
This system is designed to polish the RO2 product water in order to provide purified water
used in laboratory applications. The facility’s tap water first passes through the RO2, then
enters the first deionizer column (worker) where the deionizer resin removes chemical
contaminants from the water through an ion exchange process. The water then passes into
the “polisher” column. As water leaves the polisher, the purified water passes through a
200,000-Ohm resistivity monitor with alarm and on to the storage tank.
Storage Tank:
The storage tank is equipped with high and low level float switches, which will turn the reverse
osmosis unit off when the water reaches the predetermined cutoff point and turn the RO2 on
when the tank is drained to the low level float. The distribution pump on the storage tank will
cycle whenever the internal pressure of the pump drops below 29 PSI or there is flow greater
than 0.3 GPM.
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2.2 SPECIFICATIONS
r
)
Ideal, minimum, and maximum incoming
water temperature
Prefilter gauge pressure (when the RO2 is
running)
Minimum
Maximum
Pump pressure –
Minimum
Maximum
Maximum output of product water @ 77°F
(25°C), TDS<1000 ppm of NaCl, & pump
pressure of 150 psi.
Connections
Min = 41° F (5° C) Max = 90° F (33° C)
Ideal Temperature = 77° F (25° C)
20 PSI
50 PSI (Pounds per Square Inch)
100 PSI
180 PSI
RO2 - 2800 GPD (10598 LPD)
(Gallons Per Day / Liters Per Day)
RO Feed =3/4” Female GHT
RO Product = 3/4" Male GHT
RO Drain = 1/2" hose with check valve
(Garden Hose Thread)
Distribution Pump 3/4” FPT & MPT
Electrical Requirements
(2) X 115V/60Hz/20A dedicated GFI (Ground Fault
upter
Inter
System Dimensions 66" L x 30" D x 62" H
Shipping Weight
Operating Weight
507 lbs.
975 lbs.
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2.3 SPECIFIC ENVIRONMENTAL/TRANSPORT CONDITIONS ANTICIPATED
ENVIRONMENTAL CONDITIONS ANTICIPATED
This device is intended to be used under the following conditions:
Indoor use;
Altitude up to 2000 m;
Temperature between 5°C and 40°C;
Maximum relative humidity 80% for temperatures up to 31°C decreasing linearly to 50%
relative humidity at 40°C;
MAINS supply voltage fluctuations up to + 10% of the nominal voltage;
Transient overvoltages present on MAINS supply = CATEGORY II;
Applicable RATED POLLUTION degree 2.
TRANSPORT CONDITIONS ANTICIPATED
Altitude up to 2000 m;
Temperature between 5°C and 40°C;
Maximum relative humidity 80% for temperatures up to 31°C decreasing linearly to 50%
relative humidity at 40°C;
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2.4 TEMPERATURE CO RRE CTE D RO2 PRODUCTION RATE S
RO2 membrane performance is affected by water temperature. The Product Water Flow Rate
and Output decrease as the temperature of the Incoming Tap Water decreases. The chart
below provides both Total Product Output (in Gallons Per Day) and Product Flow Rate (in
Gallons Per Minute).
Measure your Incoming Tap Water temperature by reading the temperature on the
controller LCD display.
Follow the chart across to find your Temperature Corrected Product Water Total Output
and Flow Rates.
RO2 Temperature Corrected Production Rates
Temperature
F
40
45
50
55
60
65
70
75
Temperature
C
4.45
7.23
10.01
12.79
15.57
18.35
21.13
23.91
Total Output
GPD
1428
1599
1764
1932
2100
2268
2486
2727
Flow Rate
GPM
0.99
1.11
1.22
1.34
1.45
1.57
1.72
1.88
PT401 Antiscalant/Scale Inhibitor
Contaminants
Chemical Feed
System
Membrane Scale Control Not to exceed 40 ppm
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SECTION 3, COMPONENTS AND SCHEMATICS
3.1 RO2 EXTERNAL FRONT VIEW
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IDENTIFICATION OF COMPONENTS (EXTERNAL VIEW)
1. PRODUCT GPM– Flowmeter that measures the flow of the product water in gallons per
minute (GPM) and liters per minute (LPM).
2. PUMP PRESSURE – Gauge that measures the primary feed pressure in pounds per
square inch (PSI) from the pump through the RO2 membrane.
3. TEMPORARY FLUSH VALVE – When the unit is in operation, the valve must be in the
“IN SERVICE” position. Move the valve to the “FLUSH” position to bypass the flow
control and allow a faster flow of water to the drain during membrane flush.
4. CHLORINE SAMPLE PORT – Valve with nozzle to let small amounts of water out to test
for the presence of chlorines before the RO2 membrane.
5. PRODUCT WATER SAMPLE PORT – Valve with nozzle to let small amounts of water
out to test the quality of the product water.
6. PRODUCT WATER – Hose transmitting purified water from the RO2 system to the DI
Polisher or Storage Tank.
7. REJECT WATER TO DRAIN – Hose transmitting wastewater to the drain.
8. INCOMING TAP WATER – Hose feeding tap water into the RO2 system.
9. CONTROLLER – Control mechanism for the RO2.
10. SIDE ENTRY HOOD: External wire installation for float level switches.
11. PREFILTER INLET GAUGE – Gauge that measures the pressure in pounds per square
inch (PSI) of the incoming tap water as it enters the micron prefilter.
12. POST FILTER OUTLET GAUGE – Gauge that measures the pressure in pounds per
square inch (PSI) of the water after going through the carbon cartridge filter. Change the
micron prefilter when the outlet gauge reads 15 PSI less than the prefilter inlet gauge.
13. HOSPITAL GRADE POWER CORD: must be connected to a single phase, 3-conductor
type, hospital grade receptacle with a ground fault interrupter (GFI) at 115V, 20amp, and
60Hz.
14. PAA QUICK CONNECT FITTING (RO) – Quick connect fitting that the PAA container is
connected to on the RO2 for sanitization.
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3.2 RO2 INTERNAL REAR VIEW
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IDENTIFICATION OF COMPONENTS (INTERNAL VIEW)
15. CLEAN IN PLACE (CIP) SWITCH – When the CIP Switch is placed in the ON position,
all RO2 fail-safe modes are disabled for low pressure membrane cleaning with the
optional AmeriWater Clean In Place System (P/N 00CIP1).
16. CARBON CARTRIDGE FILTERS – Dual 10-micron carbon cartridges for removal of
chlorine.
17. PUMP – Provides the pressure for the RO2 system. The RO2 ON/OFF switch controls
the pump motor.
18. PT401 FEED PUMP – Injects PT401 Antiscalant / Scale inhibitor solution at a
predetermined dosage based on a water analysis. The PT401 pump runs when the
main pump runs.
19. PT401 ANTISCALANT / SCALE INHIBITOR – Plastic container filled with 2 ½ gallons of
PT401 solution to prevent the RO2 membrane from scaling. The plastic container
should be refilled with PT401 solution at least monthly or when on when it reaches the
half-full level.
20. MEMBRANES – Spiral-wound, thin film, composite membranes for reverse osmosis.
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3.3 DI POLISHER EXTERNAL FRONT VIEW
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IDENTIFICATION OF DI POLISHER COMPONENTS
21. AIR VENT SCREWS – Vents provided to break the vacuum seal to facilitate resin
changes.
22. 200,000 OHMS QUALITY LIGHT – Light with alarm that will indicate when the water is
outside of the limit.
23. DRAIN VALVES – To allow for draining each column of the DI Polisher individually.
24. WATER INLET – Inlet for water from the RO2.
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3.4 STORAGE TANK
EXTERNAL FRONT VIEW
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IDENTIFICATION OF STORAGE TANK COMPONENTS (FRONT VIEW)
25. WATER INLET – Connection for the purified water into the tank.
26. DISTRIBUTION PUMP – Pump that is used to distribute water to the system whenever
the internal pressure drops to 29 PSI or there is greater than 0.3 GPM flow.
27. SYSTEM OUTLET HOSE – Hose that is provided to change the system outlet from ¾”
FPT to ¾” MPT.
28. BYPASS QUICK CONNECT – Used to allow untreated water to completely bypass the
system in the event of downtime.
29. RETURN FROM LOOP – Connection that can be utilized to allow the loop to re-circulate
back into the storage tank to minimize opportunities for bacteria growth. The return flow
control on this is 3 GPM.
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STORAGE TANK EXTERNAL SIDE VIEW
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IDENTIFICATION OF STORAGE TANK COMPONENTS (SIDE VIEW)
30. HIGH LEVEL FLOAT – Sends a signal to the RO when the tank is full to stop water
purification.
31. LOW LEVEL FLOAT – Sends a signal to the RO when the predetermined low level has
been breached to have the RO begin water purification.
32. SIDE ENTRY HOOD – Provides connection between storage tank floats and the RO2.
PUMP CONTROL PANEL
2
4
6
1
3
5
1. ON/OFF BUTTON – Starts and stops the pump. The button can also be used to
manually reset an alarm condition (press once to reset, press once more to start).
2. POWER INDICATOR LIGHT – Indicates that the pump is ready for operation (green).
When the light is on, the pump will start automatically when water is consumed and stop
a few seconds after the water consumption has ceased.
3. POWER INDICATOR LIGHT – Indicates that the pump is in standby (red).
4. PUMP ON (GREEN) – Indicates that the pump is running (green).
5. AUTO RESET (GREEN) – Indicates that the auto reset function is active. When on, the
pump will automatically attempt to restart every 30 minutes after an alarm / fault over a
period of 24 hours, after which the pump will remain in an alarm condition. When off,
the pump will not restart after an alarm / fault. The auto-reset function can be activated
or deactivated by pressing the ON/OFF button for 5 seconds.
6. ALARM (RED) – Indicates that the pump is in and alarm state. Manual resetting is
possible by pressing the ON/OFF button.
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3.5 ELECTRICAL DIAGRAM
3.6 SIDE ENTRY HOOD
The external wire connection for High/Low Tank signals has a maximum voltage of 24 V and a
maximum current of 500 mA. The connection allows signals from float switches in the storage
tank to be sent to dry contacts within the ROS controller. The high tank float signals the RO
to shut off in a tank-full condition, and the tank low float signals the RO to turn on when the
water level in the storage tank is low. Installation of float wiring should be conducted by an
AmeriWater service representative.
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3.7 FLUID DIAGRAM
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SECTION 4, INSTALLATION
CAUTION: Local plumbing and electrical codes must be observed.
4.1 GENERAL INSTALLATION INSTRUCTIONS
1. The high purity water system can be installed with up to 50’ of pipe from the point of
use.
a. Subtract 2’ from the 50’ length for each elbow in the pipe.
b. Pipe size and the number of worker/disinfector/sterilizers will also affect the
distance.
2. If there is a need for more pressure or flow rate, the high flow storage tank should be
considered.
4.2 RO2 INSTALLATION
1. The electrical source must be single phase, 3-conductor type provided with a hospital
grade receptacle and a ground fault interrupter (GFI) at 115V, 20amp, and 60Hz. The
proper polarity and ground integrity must be initially checked and thereafter maintained.
Failure to do so may result in electrical shock to the operator. It is suggested that the
RO2 be placed on an electrical supply with emergency backup.
2. The RO2 must only be plugged directly into a GFI receptacle. It must not be plugged
into an extension cord or power strip that could cause low amperage.
To avoid electrical shock, always unplug the RO2 system before opening the
face of the electrical controller.
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3. Incoming water should be between 41° F and 90° F (5° C and 33° C). It is not
recommended to use water at temperatures below 41° F (5° C) as it will reduce
membrane performance significantly. Use only the cold water supply unless using an
automatic blending valve to get 77° F (25° C) water. Never use water warmer than 90°
F (33° C).
4. Water with silt density index (SDI) above 5 SDI will foul the membrane.
5. The RO2 system is equipped with a pretreatment system to remove chlorine. It is
important to test for chlorine at the CHLORINE SAMPLE PORT periodically. Chlorine
will deteriorate the membrane and cause system failure. It is recommended to use a
Chlorine test strip.
6. Incoming tap water pH should be within EPA National Secondary Drinking Water
Regulations of 6.5 - 8.5. Incoming tap water with pH higher or lower than the
regulation will cause higher conductivity in the product water. If the water changes
drastically, the membrane will be harder to clean. Periodically check the pH of the
incoming tap water to verify that it is within the specified range (IBT pH Water Test
Strips P/N 97PH20901).
7. Always maintain water flow and pressure to avoid damage to the pump.
8. Minimum feed pressure is 20 PSI @ 5 GPM (while the RO2 is in operation, with flow).
Maximum feed pressure is 50 PSI.
9. Lock the two front casters so that the RO2 will remain stationary during startup.
10. Remove the plugs from the PRODUCT WATER, REJE CT WATER TO DRAIN, and
INCOMING TAP WATER fittings on the front of the RO2.
11. Connect the INCOMING TAP WATER, PRODUCT WATER and REJECT WATER TO
DRAIN hoses to the appropriate fittings on the RO2. All hoses should run to the right
side of the RO2. This will allow you to move the RO2 forward to access the rear panel.
CAUTION: To insure proper assembly, tubing extension MUST be fully inserted into
the fitting body to the tube stop.
12. Open the back cover and remove t he gray packing foam between the PT401
CONTAINER and the cabinet wall.
13. Plug the power cord into a dedicated 115-volt, 20-amp GFI receptacle.
4.3 DI POLISHER
1. Locate the DI Polisher to the right of the RO2, just before the storage tank.
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4.4 STORAGE TANK
1. Locate the storage tank on a firm, level foundation. For seismic requirements, drill (4)
5/8” diameter holes into the concrete through the mounting holes in the storage tank
feet a minimum of 4” deep. Install (4) 5/8” diameter, HILTI KB-TZ Expansion anchors
through the 4 holes on the pads to anchor into the ground. A minimum of 4 threads for
each anchor must be below the concrete prior to application of 60 ft-lbs of torque.
2. Connect the DI Polisher outlet hose to the storage tank’s inlet.
3. Connect the discharge from the pump to the
distribution piping.
4. Run the float – switch quick disconnect to the
RO2 and lock in place.
5. Prime the pump by loosening the priming plug on
the top of the pump and opening the valve from
the tank to allow 1.2 – 1.5 gallons of water to fill
the pump. Replace the priming plug.
6. Plug the pump directly into a dedicated 115-volt, 20-amp GFI receptacle.
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SECTION 5, SYSTEM START-UP
1. Connect the RO2 INCOMING TAP WATER hose to the potable cold water supply
using the Incoming Tap Water hose and fittings supplied. If blending both warm and
cold water to improve product flow rate, do not exceed 90° F (33° C).
2. The REJECT WATER TO DRAIN hose coming out of the RO2 system is for reject
water. The water from this hose will go down the sink or drain. Leave at least a 2" air
gap between the hose and the drain to prevent contamination or siphoning.
3. The PRODUCT WATER hose should also be secured to the sink or drain.
4. Relieve the pressure from the system by opening the CHLORINE sample port.
5. Open the back cover, remove the filter bowls and turn the CIP SWITCH to off.
6. Verify that the carbon cartridges are installed and re-install the filter bowls.
7. Close the CHLORINE sample port and turn on the potable cold water supply to the
RO2.
8. Turn on the RO2 and place the FLUSH VALVE in the FLUSH position. Allow RO2 to
run in FLUSH for 30 minutes.
NOTE: The RO2 conductivity alarm may sound, which is normal when it is in FLUSH.
Press the ALARM SILENCE key on the RO controller to silence the alarm. The
alarm will restart after a 3 minute delay.
9. After flushing for 30 minutes, turn the FLUSH VALVE to OPERATION position.
10. Run the product water to drain for at least 10 minutes.
11. Verify that the PRODUCT GPM FLOWMETER indicates at least 0.90 GPM.
12. Refer to the Operation Log in Section 7.0 MONITORING. Complete the log; making
sure that the system is operating within all the required ranges.
WARNING: Do not use the RO until all specifications are met.
13. When the log shows that all start-up conditions are met, the system is now ready for
use. Press the POWER key (the display will show STANDBY). Connect the
PRODUCT WATER hose to the DI Polisher inlet.
14. Install the resin packs in the DI Polisher
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a) Lock the front wheels. Remove the cover
plates by unscrewing the four black knobs on
each plate. To break the seal between the
cover plates and the upper plates, use a
slotted screw driver in the pry notch located in
the top of each upper plate. Open the drain
valve at the bottom of each column.
b) Remove the resin pack from the shipping box and open the tied end of the
plastic sleeve. DO
NOT remove the resin pack from the plastic sleeve at this
time.
c) Stretch the resin pack over your arm
to elongate the pack, and feed it into
the column allowing the pack to slide
out of the plastic sleeve. Save the
plastic bag for future exchange.
d) Verify that the O-ring is clean and in
place and replace the cover plates.
Tighten the black knobs evenly by
turning the knobs at opposite
corners at the same time. Repeat
for the other two corners.
CAUTION: Failure to tighten the knobs completely may cause the cover plate to
separate from the system when pressurized.
e) Close the drain valve at the bottom of the column.
f) Repeat steps a. through e. for each of the columns.
AIR VENT
15. Open the air vents located on the top of the cover plates and
turn on the water supply and the RO2. Tighten the air vents
closed when water begins to escape through the vents.
16. Ensure that the DI Polisher quality light is plugged into a GFI
receptacle.
17. When the resin is changed, the light may indicate red
initially, but should switch to green, indicating good quality.
18. Lock the casters on the DI Polisher.
19. Verify that the distribution pump is plugged into a dedicated 115-volt, 20-amp GFI
receptacle.
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5.1 PT401 PRIMING PROCEDURE
AmeriWater RO products featuring the PT401 antiscalant system are equipped with a priming
valve. The following procedure should be followed during the initial start up of the RO2
system, and whenever the PT401 pump loses its prime:
1. Verify that the RO is on and running.
2. Be sure the injection pump’s suction line is immersed in solution in the PT401
container.
3. Press the ON key to turn on the PT401 injection pump.
4. Press the “UP” key to increase the STROKE RATE up to approximately 150 to 200, or
the “DOWN” key if already greater than 200.
5. Remove the lid form the container and verify that there is discharge of PT401.
6. Close the adjustment knob completely
by turning clockwise until the knob stops,
making sure there is no liquid flow out of the air bleed tubing.
If the pump does not prime, repeat the
foregoing steps.
Once the pump has been primed, and is
pumping the chemical through the head into
the water stream, adjust the stroke rate to “5”.
At the stroke rate of 5, the PT401 injection
pump will put about 150 milliliters
(approximately 5 liquid ounces) per hour into
the RO2 incoming water stream.
Repeat these steps as necessary when the
system is started after sitting for extended
periods of time or the PT401 Bottle is empty
and air has drawn into the pump. The
priming may not take as long as the initial
time.
WARNING: Overdosing PT401 will adversely affect (blind) the membrane causing a
decrease and/or loss of permeate flow.
WARNING: If softened water is supplied, turn off the PT401 system by depressing the
on/off button on the chemical feed pump and emptying the PT401 jug.
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5.2 REFILLING PT401
The amount of PT401 in the container should be checked weekly. When it is less than half
full, you should add more PT401.
Remove the cap from the PT401 Container. It is not necessary to remove the rubber stopper
with the hose; this will break the prime of the PT401 pump. Refill the bottle with new PT401
purchased from AmeriWater (P/N 95810125, sold in (4) 1 gallon containers). Close the bottle
with the cap. If the PT401 Container is run dry, follow the priming procedures above.
5.3 PT401 ANTISCALANT SETTINGS
The digital readout on the PT401 injection pump can be adjusted from 0 to 360 strokes per
minute. Based on the hardness of the feed water, the following stroke settings are
recommended:
HARDNESS (Grains Per Gallon) STROKE SETTINGS
1-6 GPG 4
7-20 GPG 5
21-40 GPG 6
For water with hardness greater than 40 GPG, contact AmeriWater for consultation
1-800-535-5585
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SECTION 6, OPERATION
6.1 OPERATION
Once the system has been started, the RO2 will continue to make water until the high-level
float switch is tripped on the storage tank. At this point, the RO2 will be placed into standby
(tank full) until the low-level float switch is tripped.
Once the low level float is tripped, the RO2 will re-initialize and begin to produce water again.
In the event that the conductivity is above the pre-determined set-point, an alarm will sound.
The storage tank will still operate as normal.
6.2 BYPASS PROCEDURE
1. Turn off the POWER to the RO2 and Distribution Pump.
2. Shut off the water supply to the system.
3. Remove the RO2 water
inlet hose from the
source.
4. Retrieve the bypass
hose and install to the
incoming water supply.
5. Connect the CPC
connector into the fitting
just after the pump on
the storage tank.
6. Turn on the water to
begin bypass operation.
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SECTION 7, MONITORING
Fill out the monitoring log prior to each use. Having this information available will help to
quickly diagnose issues related to performance. Failure to carry out the daily monitoring and
maintenance at the indicated intervals will result in reduced performance of the RO2 system
and may void the warranty.
1) DATE
RO PERFORMANCE (DURING WATER FLOW)
2) Temperature (41ºF - 90ºF)
3) Product flow (0.90 GPM)
4) Pump PSI (100 - 180 PSI)
5) Filter Pressure Drop (maximum 15 PSI)
6) Hour Meter Reading
7) Chlorine Test (maximum 0.1 PPM)
8) Product Water Quality Reading
9) Verify light on DI Polisher is Green
10) Verify that the distribution pump is not in alarm
EXCHANGE
11) Carbon Block Filter Cartridges
12) Clean or Replace the Membrane
13) Add PT401 Antiscalant
14) DI Polisher Resin Change
INITIALS
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SECTION 8, MAINTENANCE
WARNING: If any component of the water treatment system is changed or replaced,
the user should conduct appropriate tests to ensure that the revised
system meets all standards to which it was initially tested.
1. AmeriWater has provided an Operation Log for the RO2 system. The recorded
information may be useful in troubleshooting problems encountered with the system.
2. The DI resin, membrane and carbon cartridges are non-durable components and will
need to be exchanged periodically.
8.1 RO2 NORMAL MAINTENANCE ITEMS
Preparation
1. Turn off the RO and remove from the power source.
2. Turn off the incoming tap water supply.
3. Place a container under the CHLORINE TEST PORT. Slowly open the sample port to
relieve the pressure and let the water drain.
4. Remove the rear cover.
To Exchange the Carbon Block Filters:
1. Use the filter wrench to unscrew the filter housing and discard the used filter(s).
2. Partially unwrap the plastic from a brand new filter. Holding the end covered with
plastic, place the new filter in the housing. Discard the plastic after installation.
3. Screw the filter housing back on making sure
pinched. Hand-tighten, only.
To Exchange the Membrane:
1. Disconnect the fittings that secure the tubing to the sides of the membrane.
2. Remove the Unistrut clamp holding the membrane assembly.
3. Lift out the membrane assembly.
4. Loosen the nuts on the retaining clamp on the feed side to remove the cap and slide
old membrane out of the housing and discard.
5. Install the new membrane in the housing with the brine seal at the Inlet end of the
housing, and replace the cap and retaining clamp.
the o-ring is in the groove and not
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6. Connect the feed (brown) fittings at the bottom of the new membrane housing in the
same way the system was initially connected. Secure the new membrane assembly
into place, and connect the remaining fittings at top of membrane housing (Reject =
red, Product = blue, Inlet = Brown).
Rinse Out Cycle
After the exchange is complete, it is important to put the RO through a rinsing out cycle to
flush the preservative out of the new membrane.
1. Put the PRODUCT WATER hose at a sink or drain.
2. Turn the FLUSH VALVE to the FLUSH position. The Pump pressure will be lower than
normal during this rinse out cycle.
3. Turn on the RO and allow water to run through the system for a minimum of 30
minutes until the water is clear. This will rinse the preservative out of the new
membrane.
CAUTION: The membrane is not rinsed thoroughly until the water is clear!
4. Turn the FLUSH VALVE to the OPERATION position and allow the RO to run until the
conductivity is below the setpoint and no longer alarming. Turn off the RO.
5. Reconnect the PRODUCT WATER hose to the DI Polisher.
6. Turn on the RO. The rinse out cycle is now complete, and the RO is ready for use.
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To Replenish PT401:
1. Remove the back cover, then, simply unscrew the cap on the bottle, and add the
PT401. After refill, the PT401 pump may need to be primed again.
8.2 DI POLISHER RESIN PACK EXCHANGE
1. Turn off the water supply to the RO2 system.
2. Open the air vents located in the center of the cover plates.
3. Place a container under the Drain Valves located on the bottom plates of the system.
4. Open the valves and allow the water to drain into the container. The container may be
emptied at a drain.
5. Remove the cover plates by unscrewing the black knobs located at each corner of the
cover plates.
6. Pull the exhausted resin pack part of the way out of the column and lay it over the top
of the system.
NOTE: If the Drain Valve located on the bottom plate is not open, a vacuum will be
created making it difficult to remove the resin pack.
7. Slowly pull the exhausted pack over the side of the column while sliding it out of the
column and into the plastic sleeve that it was shipped in.
8. Remove the new resin pack from the shipping box and open the tied end of the plastic
sleeve.
9. Stretch the resin pack over your arm to elongate the pack.
10. Feed the pack into the column allowing it to slide out of the plastic sleeve. Save the
plastic sleeve for the return shipment of the resin pack at the next exchange.
11. Carefully wipe the O-rings and the grooves on the top plate and cover plate to remove
any debris from the surfaces that must seal together.
12. Replace the cover plates and tighten the knobs. To ensure proper tightening and a
good seal, hand-tighten the knobs in opposite corners simultaneously. Repeat for the
other two corners.
13. Turn on the water supply to the RO2 and remove trapped air by loosening the air vents
located in the center of the cover plates.
14. Tighten the air vents when water begins to escape through the vent. This ensures that
all of the air has been removed from the system and maximizes the life and efficiency
of the resin packs.
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8.3 DI POLISHER RESIN PACK REGENERATION
Regeneration certificates are used to simplify the exchange of your exhausted DI Polisher
system packs. The certificate has been purchased and will be used as payment for the resin
pack regeneration service. Simply follow these steps:
Fill out a regeneration certificate by printing your name, phone number, company and
address.
When you send each pack to AmeriWater, enclose the regeneration certificate in the box.
AmeriWater will ship you a freshly regenerated resin pack.
To order more certificates, contact the company that originally sold you the deionizer. Be sure
to keep regeneration certificates on hand to ensure uninterrupted service.
It is recommended to send the exhausted resin to AmeriWater immediately after exchange.
This will allow time for shipment and will maintain your uninterrupted supply of deionized
water.
Certificates Make Exchanging Packs a Breeze!
Fill out and enclose in box for return shipment
NO Paperwork
NO Phone Calls
NO Purchase Orders
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SECTION 9, ALARMS
9.1 RO2 OPERATING STATUS MESSAGES & ALARMS
The operating status of the unit is shown on the top line of the display. The following list
describes the items shown for the operating status and alarms.
STANDBY - The unit is in the STANDBY mode.
DELAY 99 - The unit is in the RO2 start delay. The number is the seconds remaining before
the pump starts.
OPERATING - The RO unit is operating.
TANK FULL - The unit is shut down due to a tank full condition.
PERCENT REJECTION – Shows the % of TDS rejected by the RO2.
TEMPERATURE – Indicated the temperature of the incoming water.
CONDUCTIVITY – Measurement of the quality of the water.
PRESS FAULT - If the pressure fault input becomes active (closes) and stays active for the
delay programmed in the PF Delay Setpoint, the unit will shut down for a pressure fault. The
display will show PRESS FAULT, the alarm lamp will flash and the audible alarm will sound.
The pressure fault can be cleared by pressing the Alarm Silence/Reset key twice.
MEMB FLUSH 99 – Membrane Flush is active. The number is the minutes remaining in the
flush cycle. This setting is not normally used.
HI COND - If the Conductivity reading exceeds the limit programmed the Cond Limit Setpoint
for the delay programmed in the Cond Delay Setpoint, the alarm lamp will light and the HI
COND warning message will show on the display. This warning will clear when the
Conductivity drops below the Setpoint.
When the High Conductivity warning message is active, the RO2 model will divert the Product
water to drain (through the Reject hose), until the Product water goes back into the acceptable
range.
9.2 DI POLISHER ALARMS
WATER QUALITY INDICATOR LIGHT – Will illuminate green when the water is within the
required parameters. When the light changes to red and there is an audible alarm during
normal product flow, this indicates that the resin packs will need to be exchanged. The
audible alarm can be silenced by depressing the detent on the face of the alarm.
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SECTION 10, STANDARD SETPOINT TABLE
VIEWING THE SETPOINTS;
Press the LEFT ARROW key to view the set points.
Press the ALARM SILENCE/RESET key to cancel the operation.
SET POINT FACTORY SETTING
TDS / CONDUCTIVITY LIMIT 50
TDS / CONDUCTIVITY DELAY 10
RO START DELAY 10
PRESS FAULT DELAY 10
AUTO RESET (PSI) 0
ALARM SILENCE 3
TF RESTART DELAY 5
TF RESTART 0
TFO TIME 3
TANK LOW RESTART 0
FLUSH TYPE 0
FLUSH TIME 0
FLUSH INTERVAL 0
FLUSH MODE 0
MAXIMUM HOURS 0
CURRENT HOURS 0
EXPANDER MODE 0
TEMPERATURE OFFSET 0
TEMPERATURE UOM 0
SWITCH SELECT 0
TDS / CONDUCTIVITY UOM 0
TDS / CONDUCTIVITY RANGE 1
C2 RANGE 4
C2 LIMIT 0
% REJECTION 1
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SECTION 11, OPTIONAL DISINFECTION
AmeriWater recommends that all HCRO systems should be disinfected at least annually. The
following sections will outline the disinfection steps for the RO, optional Silex deionizer and
Storage Tank.
11.1 RO DISINFECTION
1. Switch off the RO by pressing the POWER key (the display will show STANDBY).
2. Disconnect the RO PRODUCT WATER hose from the next point of use.
3. Place the PRODUCT WATER hose with the REJECT WATER TO DRAIN hose at a
sink. Secure PRODUCT WATER hose in place so that the entire length of the
hose will “flood” during disinfection.
4. Put on rubber gloves, apron, and goggles.
5. Unscrew the cap assembly of the PAA container.
6. Add 150 ml of 100% hydrogen peroxide/peroxyacetic acid disinfecting solution to the
PAA Container and fill with water to the red line. (You may use tap water or treated
water). Screw the cap assembly back on the PAA container.
CAUTION: Exposure to hydrogen peroxide/peroxyacetic acid (PAA) concentrate or
solution may cause severe chemical burns to skin or eyes. Additional
information regarding PAA is found in this section, on your PAA bottle, and
the Material Safety Data Sheet. Please read carefully before using.
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7. Lightly shake or tilt the container to mix the solution.
8. Connect the PAA tubing to the PAA connection on the front of the RO.
9. Turn the FLUSH VALVE to the FLUSH position.
10. Turn on the feed water supply to the RO.
11. Press and hold
the LEFT ARROW key, and then, press the RIGHT ARROW key. This
will access the DISINFECT MODE. The controller display will show DISINFECT
ENABLED, and then the keys can be released.
12. Press and hold the ENTER key. Pressing and holding the ENTER key will turn on the
Disinfect Draw function and THE DISPLAY WILL READ DISINFECT ENABLED
DRAW. Continue to hold the ENTER key, until all of the PAA is drawn in.
13. If the PAA tubing begins to suck air, immediately releas e the ENTER key. Place the
FLUSH VALVE in the OPERATE position. Avoid extra time running because PAA will
be diluted.
CAUTION: Avoid sucking air when the container is near empty.
NOTE: The ENTER key must be held until the PAA is drawn container is
nearly drawn empty into the RO.
A. AVOID STOPPING AND STARTING THE DISINFECT FUNCTION WHICH
MAY CAUSE A THERMAL OVERLOAD OF THE RO PUMP. IF A THERMAL
OVERLOAD OCCURS, IT WILL AUTOMATICALLY RESET FROM 1 TO 5
MINUTES – WAIT UNTIL THE PUMP OVERLOAD RESETS TO RESUME
THE PAA DRAW.
B. RELEASING THE ENTER KEY MAY CAUSE THE SYSTEM TO LOSE ITS
PRIME PREVENTING ALL OF THE DISINFECTANT FROM BEING DRAWN
INTO THE MRO.
C. APPROXIMATELY ¼” OF THE SOLUTION WILL REMAIN IN THE BOTTOM
OF THE PLASTIC CONTAINER. THIS IS NORMAL AND MAY BE EMPTIED
DOWN THE DRAIN AFTER THE ENTIRE PROCESS IS COMPLETE.
14. At this point, the RO is filled with the hydrogen peroxide/peroxyacetic acid disinfecting
solution. To ensure that this solution has passed through the system, use a PAA test
strip (Peracid Test Strips, P/N 97HP20401) at the REJECT WATER TO DRAIN hose;
the results should be at least 1% (500 ppm). Use another PAA test strip (Peracid Test
Strips, P/N 97HP20401) at the PRODUCT WATER hose; the result here should be at
least 0.5% (250 ppm).
NOTE: You may need to press the ENTER key to sample the flow being discharged
from the REJECT WATER TO DRAIN and PRODUCT WATER hoses. If the test
strip does not show PAA disinfecting solution at the specified levels in the
Reject Water and Product Water, press the ENTER key again to continue flow;
repeat the PAA test until both test positive (at the specified levels). If the test
strip still does not show the disinfecting solution at the required levels, repeat
disinfect draw procedure until the tests show positive at the required levels.
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15. Allow the PAA mixture to soak in the RO for at least 60 minutes.
WARNING: Soaking longer than five hours may cause damage to the membrane.
16. After the soaking time has elapsed, turn on the RO by pressing the ALARM/SILENCE
RESET to restart the RO in the operating mode. Allow the machine to run at its current
setting for at least 15 minutes.
17. After rinsing the RO in the normal operating mode for 15 minutes (minimum) turn the
FLUSH VALVE to the FLUSH position, and allow the RO to run for another 15 minutes.
18. After the time has elapsed running in the FLUSH position, return the FLUSH VALVE to
the OPERATION position, and continue rinsing for 15 minutes or until the water from
the PRODUCT WATER hose, REJECT WATER TO DRAIN hose and the product
sample port test negative for PAA.
WARNING: Continue rinsing and testing until both test strips show a negative result
(no color change) to ensure that there is less than 3 PPM of PAA in the
system. AmeriWater recommends using Renal Check PX Test Strips (P/N
97PX20501).
19. Disinfection is now complete. Press the POWER key to turn off the RO. The display
will show STANDBY.
11.2 A WORD ABOUT HYDROGEN PEROXIDE/PEROXYACETIC ACID
Do not use hydrogen peroxide/peroxyacetic acid concentrate (PAA) after the expiration date.
Using outdated PAA concentrate may cause incomplete disinfection.
PAA loses effectiveness if not kept out of direct sunlight and/or the cap is not tightly sealed.
Using ineffective disinfecting solution will cause incomplete disinfection.
Using less than the required volume of PAA will result with incomplete disinfection.
Disposal of Outdated Hydrogen Peroxide/Peroxyacetic Acid:
Supplies Needed - a sink with a supply of tap water
- rubber gloves, lab apron, and goggles
- a supply of paper towels
1. Put on rubber gloves, apron and goggles.
CAUTION: Exposure to PAA concentrate or solution can cause severe chemical burns
to skin or eyes.
2. Start a flow of cold tap water to dilute the PAA as it flows down the sink drain.
3. Slowly and carefully pour the disinfecting solution down the drain, taking care to
avoid spills, splashes, or breathing the vapors.
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4. Rinse the emptied PAA container with tap water to remove all traces of the
chemical. Rinsing emptied containers is needed to protect waste handlers from
accidental exposure to the chemical.
5. Rinse the sink surfaces with tap water to remove residual disinfecting solution
and to flush the chemical from the sink traps.
6. Discard the emptied and rinsed container in a waste receptacle or set aside for
recycling.
7. Inspect the area for spilled or dripped disinfecting solution. Wipe up small spills
with a damp paper towel. Larger spills should be either flushed to drain with
water or removed with a water bucket and floor mop.
WARNING: Verify that there is no chlorine (bleach) in the water bucket or floor mop.
Chlorine (bleach) will cause a severe chemical reaction when it comes in
contact with hydrogen peroxide/peroxyacetic acid concentrate!
8. Rinse rubber gloves with tap water to remove any residues from handling.
9. Remove and return rubber gloves, apron, and goggles to their storage area.
11.3 SILEX DISINFECTION
1. Turn off the water supply to the Silex system and remove the discharge from the
storage tank.
2. Remove the resin packs from the system.
3. Pour 5 oz (150 mL) of PAA into each Silex column.
4. Close all drain valves and sample ports and open the air vents located in the center of
the top plates.
5. Turn on the water supply to the Silex and allow it to fill with water until the presence of
PAA can be detected at the outlet of the system. Verify the concentration of PAA at the
outlet using a high level concentration PAA test strip (P/N 9778339-000).
6. Turn off the water supply and allow the system to soak for 1 hour.
7. After the soak time, drain the water out of the system by placing a container under the
drain valves and opening the valves.
8. Close all valves and turn on the water supply to the system.
9. Direct the product water to a drain and allow system to flush until PAA is no longer
detected. (Use low-level PAA test strips, P/N 9778338-000, to test for residual PAA).
10. Drain the water out of the system by placing a container under the drain valves and
opening the valves.
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11. Close all drain valves and sample ports and open the air vents located in the center of
the top plates.
12. Replace the resin packs and return system to service.
11.4 TANK DISINFECTION
Storage Tank Disinfection Procedure:
1. The storage tank can be disinfected using household bleach or a peracetic acid
disinfectant (PAA).
WARNING: Never allow Chlorine (bleach) to come into contact with PAA. Doing so
will cause a severe chemical reaction!
a. For a 55 gallon tank, fill to the RO shut-off level mark and add 1 quart of
household bleach or PAA.
b. For a 100 gallon tank, fill to the RO shut-off level mark and add 2 quarts of
household bleach or PAA.
2. If your system is installed with a recirculation loop back to the storage tank, recirculate
the system for 30 minutes.
3. If your system is a demand feed (where the pump only operates when your equipment
calls for water), connect the bypass hose to the quick disconnect and place the other
end of the bypass hose into the storage tank, recirculate for 30 minutes.
4. After recirculation, drain the tank, fill with RO water, and recirculate for 5 minutes.
5. Drain and refill the tank, and recirculate for 5 minutes. Use a chlorine test strip to verify
the residual chlorine level or a PAA test strip to verify the residual PAA level.
6. Repeat step 4 and 5 until the test strip indicates a residual level at or below 1.0 ppm.
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SECTION 12, CLEAN IN PLACE (CIP)
1. Move the CLEAN IN PLACE SWITCH (inside the RO
on the back of the controller) to the ON position.
To avoid electrical shock, always unplug the RO
system before opening the access panel or the
face of the electrical controller.
2. Place the FLUSH VALVE in the FLUSH position.
3. Connect the RO PRODUCT WATER hose to the
PRODUCT RETURN connection (female garden
hose thread) on the CIP Cleaning Drum.
4. Connect the RO REJECT TO DRAIN HOSE to the
REJECT RETURN connection (hose barb) on the
CIP Cleaning Drum.
5. Connect the RO INCOMING TAP
WATER HOSE to the CIP PUMP
OUTLET (male garden hose thread).
6. Leave the micron filter in the filter
housing, but remove the carbon block.
7. Add 1 cup of AmeriClean B (base
cleaning) to the CIP Cleaning Drum
and fill with RO water (if available).
Stir until dissolved.
8. Plug in the CIP Pump and turn on the
RO. Verify recirculation flow inside the
cleaning drum.
9. Allow the system to recirculate the cleaning solution for 30 minutes.
10. Turn off the RO and the CIP Pump. Allow the system to soak for 30 minutes.
11. Turn on the RO and CIP Pump and allow them to run an additional 5 minutes.
12. Turn off the RO and CIP Pump.
13. Disconnect the RO REJECT TO DRAIN HOSE and direct it to a drain.
14. Turn on the RO and CIP Pump and run to drain until the CIP Cleaning Drum is
emptied.
15. Turn off the RO and CIP Pump and fill the CIP Cleaning Drum with approximately 2
1257 Stanley Avenue
Dayton, Ohio 45404
937−461−8833 800−535−5585
Fax 937−461−1988 WWW.AmeriWater.com
PAA
CONNECTION
115V POWER
UCT WATER
OR DIALYSIS
CT WATER
TO DRAIN
TAP
INC
ALARM
ALARM
SILENCE/
POWER
ENTER
RESET
S150
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98-0106, Healthcare RO2 Manual, Rev J
Page 44
gallons of clean water.
16. Connect the RO REJECT TO DRAIN HOSE to the REJECT RETURN conn ection on
the CIP Cleaning Drum.
17. Turn on the RO and CIP Pump and allow the water to recirculate for at least 1 minute.
18. Turn off the RO and CIP Pump and disconnect the REJECT TO DRAIN HOSE from the
CIP Cleaning Drum. Direct the REJECT TO DRAIN HOSE to a drain.
19. Turn on the RO and CIP Pump and continue running to drain until the CIP Cleaning
Drum is emptied.
CAUTION: Verify that the AmeriClean B has been thoroughly rinsed from the system
prior to proceeding to the next step. Mixing the chemicals may result in an
exothermic reaction that may damage the RO+ system.
20. Repeat steps 7 to 19 using AmeriClean A (acid cleaning) and then proceed to step 21.
21. Disconnect the RO hoses from the CIP system and run the PRODUCT WATER hose
and REJECT TO DRAIN hose to a drain. Connect the INCOMING TAP WATER hose
to a water supply.
22. Replace carbon block filter and replace micron filter, if necessary.
23. Turn on the feed water supply and the RO, and allow running for 10 minutes.
24. Turn the TEMPORARY FLUSH VALVE to the OPERATION position, and continue
running to drain until the conductivity drops below the setpoint (not in alarm).
WARNING: DO NOT place the RO in service until all operational parameters are within
specification. Consult the STARTUP LOG to verify that all specifications
are met.
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SECTION 13, TROUBLESHOOTING GUIDE
WARNING: Only those persons who have read the complete operations manual or who
have received authorization from the medical facility director should
attempt to troubleshoot and/or repair the RO+ system.
NOTE: At times it may become necessary to replace parts on your RO. AmeriWater
stocks all parts and components for the system, and can ship the necessary
replacement parts to you if you call Customer Service at 1-800-535-5585
between 8:00 a.m. and 5:00 p.m. EST.
To assist you in quickly restoring your system into service, AmeriWater will
send your replacement part out immediately and check your bad part when it
comes in to verify if it is covered under your equipment warranty.
PROBLEM
RO will not start RO not plugged in
System has power but no
water flow
POSSIBLE CAUSE CORRECTIVE ACTION
Plug into electrical outlet.
Circuit breaker blown
RO in a FAULT condition
Reset the breaker.
Check RO controller display
for FAULT condition and
correct the FAULT.
Feed source not open
Feed pressure < 20 PSI
Incoming hose kinked
Prefilter clogged
Circuit board relay is not
operating
Feed solenoid is not
operating
42
Open Incoming Tap Water
valve.
Increase pressure to > 20
PSI.
Straighten kinks from the
INCOMING TAP WATER
hose.
Check the prefilter gauges for
pressure drop; replace the
carbon blocks if the pressure
drop is 15 PSI or greater.
Replace the controller circuit
board
Test the solenoid. Replace
the valve if it is defective.
98-0106, Healthcare RO2 Manual, Rev J
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PROBLEM
POSSIBLE CAUSE CORRECTIVE ACTION
Low product flow rate Low pressure feeding
membrane
Low pump PSI
Reject GPM flow rate too high
Excessive PRODUCT line
backpressure
Relief valve has failed shut.
Low temperature incoming
tap water
Prefilter clogged
Membrane needs replaced
Disinfect cycle will not
operate when holding the
ENTER key
DISINFECT MODE has not
been accessed correctly.
Circuit board relay not
operating in DISINFECT
MODE.
Disinfect Solenoid Valve not
operating
Pressure fault Low incoming pressure to the
system
43
Verify that the incoming tap
water supply is fully open.
The pressure on the prefilter
gauges should be > 20 PSI
when the RO is operating.
Pump should be operating at
100 – 180 PSI.
Turn FLUSH VALVE to the IN
SERVICE position.
Check for restrictions in the
PRODUCT WATER hose.
Replace the relief valve.
Consult the Temperature
Correction to determine if the
flow rate is normal in relation
to the feed water
temperature.
Check the prefilter gauges for
pressure drop. Replace the
prefilter and carbon block
cartridges if the pressure drop
is > 15 PSI.
Replace the membrane.
Access DISINFECT MODE
Replace the controller circuit
board.
Test solenoid valve. Replace
the valve if it fails.
Verify that the incoming
pressure to the system is
above the minimum
requirements.
98-0106, Healthcare RO2 Manual, Rev J
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PROBLEM
RO Pump making excessive
noise
POSSIBLE CAUSE CORRECTIVE ACTION
Low pressure or flow rate
feeding the RO
Feed solenoid is not
operating
Pump motor or impeller failing
Poor quality product water High Chlorine levels
RO not rinsed thoroughly
FLUSH VALVE in the FLUSH
position
Fouled membrane
Anti-scalant not working
Check the prefilter outlet
gauge PSI (must be > 20
PSI), and verify that the
product flow (flowmeter) > 0.4
GPM.
Test the solenoid. Replace
the valve if it is defective.
Check PUMP PSI GAUGE to
verify that it is within
operating parameters.
Replace the pump assembly
if necessary.
Replace the Carbon Cartridge
filter.
Rinse membrane.
Put the FLUSH VALVE in the
IN SERVICE position.
a. Exchange all water
treatment components.
b. Check and correct the
antiscalant system.
Verify the conductivity cell
accuracy with a known good
meter. Follow the calibration
procedures or replace cell if
necessary.
Verify anti-scalant system is
in operation.
44
98-0106, Healthcare RO2 Manual, Rev J
Page 48
RO2 CONTROLLER TROUBLESHOOTING
CAUTION: Hazardous voltages are present when power is applied to the unit. Care
should be taken when troubleshooting any of the input power or output
circuits. When disconnecting or connecting any board or accessory, be
sure power is unplugged.
Before contacting AmeriWater for technical help, verify the programming of all Setpoints,
check the display and check the status of all lights and indicators. The more information
available when you contact us, the easier it will be to determine the source of the problem.
Standard setpoints, and drawings of the controller and pc boards can be found in Section
10.0, RO2 Controller.
PROBLEM INVESTIGATION CORRECTIVE ACTION
System Inoperative Is the yellow CPU active LED
blinking?
If no, is the green power
LED, DS1 Lit?
If no, is the fuse OK?
If no, replace the fuse.
If yes, with a voltmeter, verify
power is applied to the power
terminals L1 and L2.
Display Blank Is the green power LED, DS1
lit?
If yes, is the CPU active LED,
DS9 blinking?
If yes, adjust the display
contrast adjustment, R3. Is
the display still blank?
Inlet Valve Will Not Operate Is the system in standby?
If no, are any shut down
conditions active?
If no, is the inlet LED, DS8
lit?
If yes, with a voltmeter, verify
if there is power on the inlet
terminals. Is there power?
45
If power is applied to the
power terminals and the
other checks are OK, the pc
board is defective and should
be replaced.
If no power is applied to the
board, check the power
wiring to the system.
If no, refer to the system
inoperative section.
If no, replace the board.
If yes, replace the board.
If no, replace the board.
If no, replace the board.
If yes, check the valve and
wiring.
98-0106, Healthcare RO2 Manual, Rev J
Page 49
PROBLEM
INVESTIGATION CORRECTIVE ACTION
RO Pump Will Not Operate
(Cont.)
No or incorrect conductivity
reading
Is the system in standby?
If no, are any shut down
conditions active?
If no, is the RO LED, DS6 lit?
If yes, with a voltmeter, verify
if there is power on the RO
pump terminals. Is there
power?
Is sensor wired correctly?
If yes, is sensor installed
inline?
If yes, verify correct
Conductivity range. Range
correct?
Does unit calibrate OK?
If no, disconnect green and
white wires of sensor. Does
reading show 0?
If yes, reconnect wires and
remove sensor from piping
and dry. Does reading show
0?
If yes, short terminals of cell
together. Does reading show
‘^^^’ ?
46
If no, replace the board.
If no, replace the board.
If yes, check the pump and
wiring.
If no, correct wiring.
If no, install correctly.
If no, correct range.
If yes, calibrate unit.
If no, replace board.
If no, replace cell.
If no, replace board.
98-0106, Healthcare RO2 Manual, Rev J
Page 50
SECTION 14, SPARE PARTS LIST
Consumables
Part # Name
002101C Regeneration Certificate, Standard DI
20-5102 Carbon Block Filter (10 micron block, 2.5” X 20”)
95-0013 Peracidin Disinfectant, 4 Gallons
95810125 PT401 Antiscalant, 4 Gallons
97HP20401 High Range Peracetic Acid Test Strips
97PX20501 Low Range Peracetic Acid Test Strips
R22-4026 Membrane
Replacement Parts
Part # Name
0013-0001 O-Ring Kit for 21-0032 Filter Housing (20”)
0119-0007 Drain Port Assembly
0119-0008 Drain Tee Assembly
0119-0010 Column Assembly
19300001-00 Column O-Ring
19530901 Air Vent
19560310 Knob Assembly
21-0032 Filter Housing(20”)
24-0026 Membrane Housing O-Ring Set
43-0017 0 – 100 PSI Pressure Gauge
43530701 0 – 60 PSI Pressure Gauge
43530714 0 – 300 PSI Pump Pressure Gauge
67511004 Floatswitch
66932109 Wire Harness for Solenoid Valves
75679118 Resistivity High Trans with Patch
75679122 Hydro-Check, 200K Light with Alarm
92-0042 Hilti Anchor
94-0013 DI Polisher, Caster, Twin Wheel with Brake
94-0014 DI Polisher, Caster, Twin Wheel no Brake
R45760200 Mini-relief Valve
R59-0002 Normally Closed Solenoid Valve
R59-0006 Normally Open Solenoid Valve
R65511105 Incoming Pressure Switch
R69446010 Controller
R80-0002 MQ Distribution Pump
R80-0125 RO Pump Assembly
R84-0002 PT401 Pump Assembly
47
98-0106, Healthcare RO2 Manual, Rev J
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