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Operation & Maintenance Manual
Central Sterile RO3 & RO4
00HC-0060 and 00HC-0075
3345 Stop 8 Rd, Dayton, OH 45414 | 800 535 5585 | www.ameriwater.com
98-2005 Rev H
Manufactured With Pride in the USA

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  • Page 1 Operation & Maintenance Manual Central Sterile RO3 & RO4 00HC-0060 and 00HC-0075 3345 Stop 8 Rd, Dayton, OH 45414 | 800 535 5585 | www.ameriwater.com 98-2005 Rev H Manufactured With Pride in the USA...
  • Page 3: Table Of Contents

    TABLE OF CONTENTS HCRO3/HCRO4 TABLE OF CONTENTS TABLE OF CONTENTS ..........................1 USER INFORMATION........................3 Manual Definitions ..........................3 Introduction ............................3 Electrical Leakage Standards ......................4 Cautionary Symbols .......................... 4 Warranty Policy ..........................4 TECHNICAL INFORMATION ......................5 System Specifications ........................5 Environmental Conditions Anticipated ...................
  • Page 4 TABLE OF CONTENTS HCRO3/HCRO4 6.1.1 Disinfecting the RO3/4 ........................ 26 A Word about Hydrogen Peroxide/Peroxyacetic Acid ..............29 CLEAN IN PLACE (CIP) ........................30 CONTROLLER..........................32 RO Front Panel Controls and Indicators ..................32 Controller Operation ........................33 Controller Adjustments ........................36 Standard Set-points .........................
  • Page 5: User Information

    Please notify AmeriWater if any problems are encountered. Please read the Operation 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 Time.
  • Page 6: Electrical Leakage Standards

    USER INFORMATION HCRO3/HCRO4 1.3 Electrical Leakage Standards The AmeriWater RO3 and RO4 water treatment systems comply with the IEC 61010-1 Standards for Product Safety and Construction. The cabinet of the RO is PVC for additional operator safety. The RO is compliant with IEC 61010-1 Safe Current Limits. All major components of the RO (controller, pump, solenoid valve, anti-scalant pump, etc.) are UL listed.
  • Page 7: Technical Information

    TECHNICAL INFORMATION HCRO3/HCRO4 TECHNICAL INFORMATION 2.1 System Specifications Ideal, minimum, and maximum Min = 41° F (5° C) incoming water temperature Max = 90° F (33° C) Ideal Temperature = 77° F (25° C) Pre-filter gauge pressure (when the RO is running) Minimum 20 PSI Maximum...
  • Page 8: Environmental Conditions Anticipated

    TECHNICAL INFORMATION HCRO3/HCRO4 2.2 Environmental Conditions Anticipated This device is intended to be used under the following conditions: Indoor use • Altitude up to 6562 feet (2000 m) • Temperature between 41°F and 104°F (5°C and 40°C) • Maximum relative humidity 80% for temperatures up to 87.8°F (31°C) decreasing linearly to •...
  • Page 9: System Components

    TECHNICAL INFORMATION HCRO3/HCRO4 2.5 System Components Figure 1: External Front View 98-2005 Rev H...
  • Page 10 TECHNICAL INFORMATION HCRO3/HCRO4 IDENTIFICATION OF COMPONENTS (Figure 1) SIDE ENTRY HOODS: External connection for float level switches (4 pin connection) and PT Pump power connection (5 pin connection). PRE-FILTER INLET GAUGE – Gauge that measures the pressure in pounds per square inch (PSI) of the incoming tap water as it enters the carbon block pre-filters.
  • Page 11 TECHNICAL INFORMATION HCRO3/HCRO4 CONTROLLER – Control mechanism for the RO. RECIRCULATION GPM – Flowmeter that indicates the flow of water that is recirculated back to the pump’s inlet. A valve is incorporated into the flowmeter to allow adjustment. REJECTION GPM – Flowmeter that indicates the flow of water that is rejected to the drain. A valve is incorporated into the flowmeter to allow adjustment.
  • Page 12 CLEAN IN PLACE SWITCH (ALARM FAULT OVERRIDE): When the Clean In Place (CIP) switch is placed to the ON position, all RO fail-safe modes are disabled for low-pressure membrane cleaning with the optional AmeriWater Clean In Place system (P/N 00CIP2). The controller will display a warning that the CIP mode is active.
  • Page 13: Electrical Schematic

    TECHNICAL INFORMATION HCRO3/HCRO4 2.6 Electrical Schematic Figure 3: Electrical Diagram, RO3 & RO4 98-2005 Rev H...
  • Page 14: Flow Schematics

    TECHNICAL INFORMATION HCRO3/HCRO4 2.7 Flow Schematics Figure 4: RO3 Flow Schematic 98-2005 Rev H...
  • Page 15 TECHNICAL INFORMATION HCRO3/HCRO4 Figure 5: RO4 Flow Schematic 98-2005 Rev H...
  • Page 16: System Installation

    SYSTEM INSTALLATION HCRO3/HCRO4 SYSTEM INSTALLATION 3.1 Pre-Installation Requirements Utility requirements; Plumbing: ¾” ball valve with NPT threads and dynamic pressure of at least 20 PSI at 10 GPM. Electrical: see Section 2.1. Hot and cold city/tap water supply line flushed and free of debris before equipment installation.
  • Page 17 SYSTEM INSTALLATION HCRO3/HCRO4 The RO system may be 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.
  • Page 18: Pt401 Installation

    RO in after the pre-filters. Fill the solution tank with the supplied chemical and follow the pump priming procedure. NOTE: Use AmeriWater, CP Grade (Chemically Pure) chemicals only! CAUTION: Disconnect ALL power supplies to the RO prior to connecting the metering pump to the RO control or electrical shock could result.
  • Page 19: System Start-Up Procedures

    ON position during normal operation, all RO fail-safe modes will be disabled, and damage to the RO. Ameriwater recommends installing a sediment filter added as pretreatment for the RO. 4.2 Safety Features The RO is equipped with several safety features for the benefit of the user. They consist of the...
  • Page 20 An audible alarm sounds whenever water quality drops to an unacceptable level. WARNING: The AmeriWater model RO3/4 is considered a non-portable device. It can be connected to a Storage Tank system. For this reason, there is a divert to drain on this model.
  • Page 21 SYSTEM START-UP PROCEDURES HCRO3/HCRO4 and the drain to prevent contamination or siphoning. The product water hose should also be secured to the drain until the start-up flush and initial disinfection cycle are completed, and the water quality is in the good range (below the conductivity set-point, and not in alarm).
  • Page 22: Pt401 Priming Procedure

    AAMI standards, distribution of the water may degrade its quality to the point where it no longer meets the requirements of this standard. AmeriWater offers information about ultra-pure water piping to prevent the degradation of product water in a water loop.
  • Page 23 7-20 GPG 21-40 GPG For water with hardness greater than 40 GPG, contact AmeriWater for consultation. At the stroke rate of ten, the PT401 injection pump will put about 30 milliliters (approximately 10 liquid ounces) per hour into the RO incoming water stream.
  • Page 24: System Shutdown

    SYSTEM START-UP PROCEDURES HCRO3/HCRO4 PT401 Anti-scalant/Scale Inhibitor Contaminants Chemical Feed System Membrane Scale Control Not to exceed 40 ppm 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.
  • Page 25: Operation And Monitoring

    OPERATION AND MONITORING HCRO3/HCRO4 OPERATION AND MONITORING 5.1 Operation Once the system has been started, the RO will continue to make water until the high-level float switch is tripped on the storage tank. At this point, the RO will be placed into standby (tank full) until the mid-level float switch is tripped.
  • Page 26 OPERATION AND MONITORING HCRO3/HCRO4 warranty. The follow page shows a sample log. FEED WATER QUALITY Parameters Results Date Initials Conductivity (uS) Record Hardness (GPG) Record Chlorine (ppm) Record Record PRE-FILTRATION Parameters Results Date Initials Blend Valve Temperature 77°F ± 5°F Chlorine Test ≤...
  • Page 27 OPERATION AND MONITORING HCRO3/HCRO4 Annually Storage Tank Vent Filter Monthly Chemical or Ozone Disinfection *The RO system can operate below percent rejection parameter due to post deionization treatment. ** From established new filter DP Assembly Number RO OPERATION Parameters 00HC-0015 (HROS) Product Flowrate (GPM) .3 - .9 Reject Flowrate (GPM)
  • Page 28: Aami Monitoring

    DISINFECTION AmeriWater recommends that all HCRO systems should be disinfected monthly. Additionally, the system should be disinfected if it has not been: flushed at least every 8 hours; or “preserved”. The following sections will outline the disinfection steps. Refer to Section 5.4 for AAMI standards for disinfection.
  • Page 29 DISINFECTION HCRO3/HCRO4 Agitate the container in a circular motion for approximately 10 seconds. Connect the PAA tubing male fitting into the quick disconnect fitting that is mounted on the front of the cabinet of the RO (Figure 6). Press and hold the LEFT ARROW key and then, press the RIGHT ARROW key. This will access the DISINFECT MODE.
  • Page 30 Continue rinsing and testing with test strips until all test strips show a negative residual result (no color change) to ensure that there are NO traces of PAA disinfecting solution remaining in the entire water system. AmeriWater recommends using Renal Check 98-2005 Rev H...
  • Page 31: A Word About Hydrogen Peroxide/Peroxyacetic Acid

    DISINFECTION HCRO3/HCRO4 PX Test Strips (P/N 97PX20501). Record the Stop time on the Start-up Log to have a record of how long it takes for the disinfecting solution to completely rinse out. Place a checkmark on the log to verify that residual PAA tested negative.
  • Page 32: Clean In Place (Cip)

    CLEAN IN PLACE (CIP) HCRO3/HCRO4 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 PAA concentrate! Rinse rubber gloves with tap water to remove any residues due to handling. Return rubber gloves, apron, and goggles to their storage area.
  • Page 33 CLEAN IN PLACE (CIP) HCRO3/HCRO4 Turn on the RO and CIP Pump and run to drain until the CIP Cleaning Drum is emptied. Turn off the RO and CIP Pump and fill the CIP Cleaning Drum with approximately 2 gallons of clean water.
  • Page 34: Controller

    CONTROLLER HCRO3/HCRO4 CONTROLLER 8.1 RO Front Panel Controls and Indicators Figure 7: Control Panel DISPLAY Shows status of system. ALARM LAMP Flashes when fault causes an RO system shut down. On steady when a Set-point is exceeded that does not cause an RO system shut down.
  • Page 35: Controller Operation

    CONTROLLER HCRO3/HCRO4 Controller Operation GENERAL OPERATION The unit has 2 modes of operation, a standby mode and an operating mode that are controlled by the POWER key. In the standby mode, the unit is effectively off. All outputs are turned off and the display shows STANDBY.
  • Page 36 CONTROLLER HCRO3/HCRO4 OPERATING HOURS The current operating hours are shown on the bottom line. TEMPERATURE The current water temperature is shown on the bottom line to the right of operating hours. When the unit is in STANDBY due to a shut down condition, the reading is replaced with ‘---‘. WARNING MESSAGES Warning messages are also shown on the second line.
  • Page 37 CONTROLLER HCRO3/HCRO4 tank full shut down condition. The TANK FULL OVERRIDE will divert all water to the drain, whether the water quality is good or bad coming into the RO. PRESSURE FAULT If the pressure fault input becomes active (closes) and stays active for the delay programmed in the PF Delay Set-point, the unit will shut down for a pressure fault.
  • Page 38: Controller Adjustments

    It may be necessary to periodically calibrate the Conductivity. If the controller should require calibration, follow the instructions below. Please contact AmeriWater at 800/535-5585 or 937/461-8833 if you have any questions regarding the procedure.
  • Page 39 CONTROLLER HCRO3/HCRO4 Figure 8 98-2005 Rev H...
  • Page 40 CONTROLLER HCRO3/HCRO4 Figure 9 98-2005 Rev H...
  • Page 41: Standard Set-Points

    CONTROLLER HCRO3/HCRO4 8.4 Standard Set-points FACTORY SET-POINT DESCRIPTION RANGE USER SETTING When this value is met or exceeded, Based on the alarm lamp will light and high 0-999 µS TDS/Cond Limit water TDS/Cond will show on the display. To or PPM* analysis.
  • Page 42 CONTROLLER HCRO3/HCRO4 FACTORY SET-POINT DESCRIPTION RANGE USER SETTING Allows adjustment of temperature Temp Offset reading by ±5 degrees. Selects display of temperature in °F or Temp UOM °C. 0 = °F, 1= °C. Selects if switch inputs are normally Switch Select open or normally closed.
  • Page 43: To Display Or Change Set-Points

    8.5 To Display or Change Set-points NOTE: Please contact your AmeriWater representative prior to changing set-points. Refer to Figure 7 for the location of the keys used to display or change the Set-points and Figure 8 for the location of the write protect jumper, J3. For the unit to be able to accept a change in a Set-point, the shorting jumper must be in the WRITE PROTECT OFF position (center and left pins).
  • Page 44 R10 position with a replacement resistor, provided by AmeriWater. This replacement resistor can be identified by its color bands (Blue- Grey-Red-Gold). Alternatively, if you have an ohm-meter, the original resistor can be identified by its resistance value of 2.7 kΩ;...
  • Page 45: Maintenance

    MAINTENANCE HCRO3/HCRO4 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. WARNING: Maintenance shall be performed by qualified personnel only. 9.1 Maintaining the System Use the following maintenance schedule: Frequency...
  • Page 46 MAINTENANCE HCRO3/HCRO4 Open the back panel of cabinet. Press release button on Product Water Manifold (Manifold located near top at back of left wall – looking in back of cabinet) to disconnect product water hose from all membranes being removed. Disconnect the pump feed and reject discharge hose from the membrane being replaced.
  • Page 47: Rinse Out Cycle

    Turn on the RO. The rinse out cycle is now complete, and the RO is ready for use. WARNING: If the product water conductivity does not come out of alarm, do not use the system! Continue rinsing, or call AmeriWater for guidance. 98-2005 Rev H...
  • Page 48: Troubleshooting And Repair

    RO system. 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.
  • Page 49 TROUBLESHOOTING AND REPAIR HCRO3/HCRO4 PROBLEM POSSIBLE CAUSE CORRECTIVE ACTION 3. Pump motor or impeller 1 GPM. failing 2. Test the solenoid (Section 10.5). Replace the valve if it is defective (see Section 10.6). 3. Check PUMP PSI GAUGE to verify that it is within operating parameters.
  • Page 50: Controller Troubleshooting

    Before contacting AmeriWater for technical help, verify the programming of all Set-points, 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.
  • Page 51 TROUBLESHOOTING AND REPAIR HCRO3/HCRO4 PROBLEM INVESTIGATION CORRECTIVE ACTION lit? 4. If yes, with a voltmeter, verify if there is power on the inlet terminals. Is there power? RO Pump Will Not Operate 1. Is the system in standby? 1. If no, replace the board. 2.
  • Page 52: Pump Repair

    TROUBLESHOOTING AND REPAIR HCRO3/HCRO4 10.3 Pump Repair The following procedures are instructions for removing the pump from the unit. Turn off the water supply and the RO. Unplug the power cord from the electrical outlet and turn off the wall disconnect for the high voltage. If the high voltage cannot be disconnected by a twist-lock plug, make sure there is a “lockout”...
  • Page 53: Solenoid Test Procedure

    TROUBLESHOOTING AND REPAIR HCRO3/HCRO4 Clean the threads from the fittings that were previously removed. Apply a suitable thread sealant and install into the cap. Insert the pump assembly and reconnect the pump to the frame using the unistrut clamps. Connect the membrane feed tubing and pump pressure gauge tubing to the pump housing outlet port (at the top), and tighten the ferrule nut.
  • Page 54: Solenoid Valve Replacement

    TROUBLESHOOTING AND REPAIR HCRO3/HCRO4 Hold in the ENTER KEY until water flows to the drain. If there is no water flow to the drain, the solenoid has failed closed. 10.6 Solenoid Valve Replacement For all valves, Feed, Disinfect, or Product Divert Solenoid Valves Turn off the RO by pressing the POWER key (the display will show STANDBY), unplug the 120 VAC power cord from the electrical outlet, turn off the wall disconnect, and place a lockout in the disconnect handle.
  • Page 55: Spare Parts Listing

    SPARE PARTS LISTING HCRO3/HCRO4 11 SPARE PARTS LISTING Item # Description Part Number Side Entry Hood 0167-0016 0 – 100 PSI Pre-Filter Inlet Pressure Gauge 43-0019 Filter Housing(20”) 21675175 ADPT,.5MPTx.5HB,PP 14520506 PT401 Pump Assembly R84-0002 PT401 Anti-scalant, 4 Gallons 95810125 ADPT,.75MPTx.75HB,PP 14570115 Chloramine Sample Port...
  • Page 56 SPARE PARTS LISTING HCRO3/HCRO4 98-2005 Rev H...
  • Page 57 SPARE PARTS LISTING HCRO3/HCRO4 98-2005 Rev H...
  • Page 58: California Proposition 65

    Polyvinyl Chloride (PVC). The AmeriWater system you have purchased may contain PVC or stainless steel parts. While warnings are only required in the State of California, AmeriWater has initiated the use of Prop 65 labeling for all products to ensure compliance with California regulations. Please note that the above warning does not necessarily mean that the product that you have purchased is unsafe.

This manual is also suitable for:

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