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MRO 3 and MRO4 MANUAL

98-0140 

Rev. F

MRO3 & MRO4 

OPERATION & MAINTENANCE MANUAL 

FOR MODELS MRO3 AND MRO4

Manufactured With Pride 

In The USA

www.ameriwater.com  •  800-535-5585 

AmeriWater  •  3345 Stop 8 Rd.  •  Dayton, OH 45414

Summary of Contents for MRO3

Page 1: ...3 and MRO4 MANUAL 98 0140 Rev F MRO3 MRO4 OPERATION MAINTENANCE MANUAL FOR MODELS MRO3 AND MRO4 Manufactured With Pride In The USA www ameriwater com 800 535 5585 AmeriWater 3345 Stop 8 Rd Dayton OH 4...

Page 2: ...ED TO A LARGE LOOP 23 5 3 A WORD ABOUT HYDROGEN PEROXIDE PEROXYACETIC ACID 24 5 4 MEMBRANE FLUSH FEATURE AUTO FLUSH 25 SECTION 6 MRO CONTROLLER 26 6 1 FRONT PANEL CONTROLS AND INDICATORS 26 6 2 CONTRO...

Page 3: ...SECTION 10 WARRANTY 48 SECTION 11 MRO3 4 SPARE PARTS LISTING 49 11 1 ROUTINE REPLACEMENT ITEMS NON DURABLE COMPONENTS 51 ATTACHMENT 1 SUMMARY DISINFECTION PROCEDURE...

Page 4: ...aution on the front panel of the MRO that states Use only PAA Use no substitutes means that any of these products are acceptable Do not attempt to use anything other than hydrogen peroxide peroxyaceti...

Page 5: ...pour instructions et mesures de s curit Caution risk of danger Attention danger potentiel For service by qualified service personnel only Entretien par le personnel qualifi seulement Replace with 120...

Page 6: ...of 150 psi MRO3 4200 GPD 15 897 LPD MRO4 5600 GPD 21 196 LPD Gallons Per Day Liters Per Day Connections Feed 3 4 plain hose Product 1 2 plain hose Drain 1 2 plain hose Electrical Requirements For the...

Page 7: ...assium Fluoride Nitrate NO3 Sulfate Copper Barium Zinc Aluminum Arsenic Lead Silver Cadmium Chromium Selenium Mercury Antimony Beryllium Thallium 99 5 99 5 98 0 97 0 87 0 93 0 60 0 75 0 99 5 98 0 99 0...

Page 8: ...MRO 3 4 MANUAL 5 98 0140 Rev F SECTION 3 COMPONENTS AND SCHEMATICS 3 1 EXTERNAL FRONT VIEW...

Page 9: ...TAP WATER TEST PORT Valve for taking sample of feed water before the RO 7 PRODUCT WATER FOR DIALYSIS TEST PORT Valve for taking sample of Product Water For Dialysis 8 PRODUCT WATER FOR DIALYSIS Conne...

Page 10: ...MRO 3 4 MANUAL 7 98 0140 Rev F 3 2 INTERNAL REAR VIEW...

Page 11: ...e pump motor and protects the motor from overload 19 PRODUCT TO DRAIN SOLENOID Opens when water quality is below set point 20 SANITIZE SOLENOID ASSEMBLY Opens to allow the hydrogen peroxide peroxyacet...

Page 12: ...MRO 3 4 MANUAL 9 98 0140 Rev F 3 3 ELECTRICAL DIAGRAM MRO3 MRO4...

Page 13: ...MRO 3 4 MANUAL 10 98 0140 Rev F 3 4 FLUID DIAGRAM MRO3 MRO4...

Page 14: ...er strip that could cause low amperage 3 All local plumbing and electrical requirements should be met To avoid electrical shock always unplug the MRO system before opening the access panel or the face...

Page 15: ...ll MRO fail safe modes will be disabled and damage to the MRO or injury to the patient may occur 12 Minimize the opportunities for bacterial growth between uses CAUTION To minimize bacterial growth op...

Page 16: ...the membrane assemblies to avoid mix ups 3 INCOMING TAP WATER PRODUCT WATER FOR DIALYSIS and REJECT WATER TO DRAIN hoses are labeled to prevent incorrect connections 4 An audible alarm sounds whenever...

Page 17: ...area of the barbed fitting 5 Connect the MRO INCOMING TAP WATER hose to the potable water supply using the Incoming Tap Water hose and fittings supplied If blending both warm and cold water to improv...

Page 18: ...RO conductivity alarm may sound which is normal when the MRO is in FLUSH Press the ALARM SILENCE key on the MRO controller to silence the alarm The alarm will restart after a 3 minute delay 16 The con...

Page 19: ...will cycle on some predetermine frequency to send the Product Water through the Divert to Drain feature of the MRO to the drain This will only occur when the Tank Full High limit switch indicates that...

Page 20: ...d as one where all points in the loop can easily be disinfected by drawing less than 5 containers of PAA solution into the MRO and loop system If this can t be accomplished refer to section 5 1 b that...

Page 21: ...cid concentrate or solution may cause severe chemical burns to the skin or eyes Additional information regarding the safe handling of PAA is found in this section on the Minncare or Renalin container...

Page 22: ...bottom on the PAA Container continue holding the ENTER key but be prepared to release the ENTER key when the PAA container is emptied Approximately of the solution will remain in the bottom of the pla...

Page 23: ...ability If the PAA at each water outlet has not been found to be positive at the minimum required amount another container must be drawn into MRO and into the loop until the minimum strength is tested...

Page 24: ...ome residual PAA disinfecting solution is still in the system Less than 3 PPM of the disinfecting solution must be present before the system is reconnected to any dialysis machine 27 After rinsing wit...

Page 25: ...ckmark on the log to verify that residual PAA tested negative 30 Disinfection is complete If the MRO was disconnected during disinfection from the loop or storage tank it can now be reconnected for us...

Page 26: ...rposes of disinfecting and cleaning are distinctly different With disinfection exposure only to the disinfectant is required to destroy harmful bacteria On the other hand cleaning requires exposure by...

Page 27: ...Slowly and carefully pour the disinfecting solution down the drain taking care to avoid spills splashes or breathing the vapors CAUTION Splashing PAA concentrate may cause severe chemical burns 4 Rins...

Page 28: ...the drain rather than refill the storage tank FLUSH MODE 3 will cause all the water to be diverted to drain for each MEMBRANE AUTO FLUSH cycle On the other hand when an MRO is connected to a Direct Fe...

Page 29: ...irst Setpoint RIGHT ARROW KEY Scrolls through Setpoints starting with last Setpoint UP ARROW KEY Increases value of Setpoint DOWN ARROW KEY Decreases value of Setpoint ENTER KEY Confirms entry of new...

Page 30: ...DELAY 99 The unit is in the RO start delay The number is the seconds remaining before the RO pump starts OPERATING The RO unit is operating TANK FULL The unit is shut down due to a tank full condition...

Page 31: ...w on the display When the tank level drops and the upper level switch clears the display will show TANK FULL 99 and the MRO unit will remain off The number is the tank full restart time and the number...

Page 32: ...m and reset this delay PRETREAT If the pretreat input becomes active closes and stays active for 2 seconds the unit will shut down in a pretreat lockout condition PRETREAT will show on the display and...

Page 33: ...ution Adjust the span adjustment for the correct reading If the cell is installed the unit can be calibrated by taking a sample from the PRODUCT TEST PORT and testing it with a known calibrated meter...

Page 34: ...MRO 3 4 MANUAL 31 98 0140 Rev F FIGURE 6 2...

Page 35: ...MRO 3 4 MANUAL 32 98 0140 Rev F FIGURE 6 3...

Page 36: ...curs 0 99 Seconds 10 Auto Reset When a pressure fault shut down is active the system will attempt to restart after this delay If set to 0 system must be manually reset 0 99 minutes 0 Alarm Silence If...

Page 37: ...E If this Set point is changed the unit must be recalibrated 0 6 1 C2 Range Selects range of TDS Conductivity monitor 0 50 1 100 2 250 3 500 4 1000 5 2500 6 5000 NOTE If this Set point is changed the...

Page 38: ...nning Setpoint and the Right arrow key starts with the last Setpoint 3 The Up and Down arrow keys are used to increase or decrease the Setpoint value The value will change by 1 count each time a key i...

Page 39: ...om outer shroud and remove inner terminals 3 Loosen the nut and run the float switch wires through the outer housing 4 Connect the High Tank float wires to contacts 1 6 Low Tank wires to contacts 2 7...

Page 40: ...ually 5 Selection of water equipment for dialysis is the responsibility of the dialysis physician A water sample should be sent to a lab yearly for a complete AAMI water analysis to ensure that the pr...

Page 41: ...and clean the membrane yourself Use the membrane to failure and replace 8 4 EXCHANGE PREPERATION 1 Turn off the MRO 2 Turn off the incoming tap water supply 3 Put a container under the CHLORAMINE TEST...

Page 42: ...ough 7 9 If another membrane assembly is to be replaced repeat steps 1 through 8 IMPORTANT When the exchange is completed record the date the exchange was performed on the Startup Log Rinse Out Cycle...

Page 43: ...the instructions in section 5 1 6 Pull an AAMI analysis The MRO can be used after disinfection when it begins producing water to the specifications 7 Reconnect the PRODUCT WATER hose to the dialysis...

Page 44: ...Check MRO controller display for FAULT condition and correct the FAULT System has power but no water flow Feed source not open Feed pressure 20 PSI Incoming hose kinked Circuit board relay is not ope...

Page 45: ...e the valve if it is defective see Section 9 6 Check PUMP PSI GAUGE to verify that it is within operating parameters Replace the pump assembly if necessary see Sections 9 3 and 9 4 Poor quality produc...

Page 46: ...RO is operating Pump should be operating at 175 250 PSI Adjust Reject Water flow rate Check for restrictions in the PRODUCT WATER FOR DIALYSIS hose Check the feed pressure gauge on the dialysis machin...

Page 47: ...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 If pow...

Page 48: ...or incorrect conductivity reading Is sensor wired correctly If yes is sensor installed inline as shown in the tubing diagram on page 18 If yes verify correct Conductivity range Range correct Does uni...

Page 49: ...lamp or tie wrap securing the pump assembly and remove the assembly from the cabinet A new tie wrap is supplied with the replacement pump 7 Allow the pump assembly to fully drain before shipping warra...

Page 50: ...ns 3 Press and hold the LEFT ARROW KEY and press the RIGHT ARROW KEY to access the DISINFECT MODE 4 Hold in the ENTER KEY until water flows to the drain If there is no water flow to the drain the sole...

Page 51: ...kes government regulation materials shortages or other circumstances beyond its control To obtain warranty service notice must be given to the manufacturer within 30 days of the discovery of the defec...

Page 52: ...MRO 3 4 MANUAL 49 98 0140 Rev F SECTION 11 MRO3 4 SPARE PARTS LISTING...

Page 53: ...MRO 3 4 MANUAL 50 98 0140 Rev F...

Page 54: ...Measuring High Range Paracetic Acid 97PX20501 Test Strips Renal Check 6 Bottles of 100 Strips each For Measuring Residual Peroxide 97PH20901 Test Strips pH 6 Bottles of 100 Strips each For Measuring...

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