Benutzeranleitung / Produktwartung E4H Series des Produzenten GE
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E4H SERIES W A TER PURIFICA TION MACHINES OPERA TION AND MAINTENANCE MANUAL.
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OPERA TION AND MAINTENANCE MANUAL FOR GE OSMONICS E4H SERIES W A TER PURIFICA TION MACHINES T ABLE OF CONTENTS Page 1.0 DESCRIPTION ......................................................................................................... 1 1.1 General Information and Principles of Operation .
Page 3.0 PREP ARA TION AND ST AR T -UP ............................................................................ 12 3.1 Pretreatment for W ater Purification ............................................................... 12 3.2 Start-Up ...........
Page LIST OF FIGURES 1 Normal V ersus Cross Flow Filtration .................................... 1 2 Membrane Element with Interconnectors.............................. 2 3 Cross Sectional V iew of Membrane Element ........................ 2 4 Principles of Operation .
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1.0 DESCRIPTION 1.1 General Information and Principles of Operation Y our E-Series reverse osmosis (RO) machine is a durable piece of equipment which, with proper care, will last for many years. These instructions give operating and maintenance details vital to the sustained performance of the machine.
Figure 1.2 - Membrane Element with Interconnectors Figure 1.3 Cross Sectional V iew of Membrane Element 2.
Some operating definitions are provided to help you further understand your machine: Permeate Rate [Product W ater Rate (Q p )] is the flow rate of purified water which has passed through the membrane.
Flow Description - The feed water passes through a replaceable 5-micron cartridge pre-filter which removes bulk suspended solids. Filtered water then flows to the inlet con- trol valve. This solenoid-controlled diaphragm valve is wired to the ON/OFF switch and opens when the machine is turned ON, allowing water to flow to the pump inlet.
Example: E4H-21K/ECN, 230, 6, 50-75 • E4H indicates the machine series • H indicates horizontal membrane element housing configuration • 21K indicates the rated permeate flow in thousands of gallons per day @ 77ºF (25ºC),(i.
• Digital concentrate and permeate flow meters • Digital conductivity monitor , panel-mounted, for permeate quality monitor- ing • Autoflush System - programmable, automated high-velocity membra.
• Alarms included: low inlet pressure, high amp draw , high / low pH 1.5 Specifications for E-Series Machines 1.5.1 Feed W ater Requirements T able 1.
8 1.5.3 Concentrate Flow Rate Factory set as stated on serial number label Concentrate Outlet: 1-inch FNPT 1.5.4 T ypical Pure W ater Recovery: 50 - 75% 1.5.5 Final Operating Pressure Minimum: 200 psig (13.8 barg) Maximum: 235 psig (16.2 barg) 1.5.6 Pump Multi-stage centrifugal, approximate primary operating pressure of 190 psig (13.
9 SAL TS CA TIONS Percent Maximum Percent Passage Concentration Name Symbol Rejection (A vg) Percent Sodium N a + 94-96 5 5-10 Calcium C a +2 96-98 3 * Magnesium M g +2 96-98 3 * P o t assium K +1 94-.
10 2.0 INST ALLA TION 2.1 Mounting E4H machines are equipped with a stand alone frame, 61-inch (155-cm) H x 132-inch (335 cm) W x 34-inch (86 cm) D, which supports the machine. At least 45 inches (1 14 cm) of space should be allowed on each end of the membrane element housings for removal and loading of membrane elements.
2.2.4 Permeate Outlet Connection Install the CIP valve on the permeate outlet tee. The pure water (permeate) should be transported to the point of use via non-corroding-type tubing, pipe, or hose. Examples are: food-grade flexible nylon tubing, stainless steel tubing, or PVC hose.
3.0 PREP ARA TION AND ST AR T -UP 3.1 Pretreatment for W ater Purification All systems will operate most efficiently on filtered water with a pH of less than 6.5 and a Silt Density Index (SDI) of 5 or below . If the machine is operated on higher pH water , other forms of pretreatment may be necessary .
STEPS 1. Re-check the function and integrity of your pretreatment equipment. Ensure that your water softener , activated carbon filters and iron filters (where applicable) have been leak-checked, backwashed, and thoroughly rinsed for service before starting up your RO unit.
inlet stream to the RO pump. It is important to balance the operating pres- sure and the respective flows of these valves to ensure that your machine is operating correctly . It is also important to understand the relationship of these two valves, the pressure gauge, and your RO pump.
NOTE: Do not allow the pressure to exceed 250 psi (17.2 bar). If the pressure exceeds 250 psi (17.2 bar), open the concentrate flow control valve until the pressure gauge shows 250 psi (17.2 bar) or less. As the machine purges the air and fills with water , the pressure will grad- ually increase.
Once the desired flow rate is achieved [250 psi (17.2 bar) operating pres- sure] no further valve adjustment is needed. The table below shows flow rates at 50%, 66% and 75% recovery for the E4H models. Use this table in adjusting flow rates. NOTE : Permeate flow rates are dependent upon temperature and con- ditions at your site.
23. A Daily Log Sheet (Section 10.0) which includes general operating con- ditions (pressures, flows, concentrations, pH, and pretreatment condi- tions), and routine or special maintenance (flushing or cleaning as need- ed) must be kept. This Daily Log Sheet will be required by GE Osmonics if a warranty question arises.
18 4.0 OPERA TION AND MAINTENANCE The operation and maintenance of your GE Osmonics E4H Machine is relatively simple but requires regular data recording and routine preventative maintenance. W e cannot emphasize too strongly the importance of filling out the daily log sheet during each operating shift.
4.3 Flushing The machine should be flushed at least daily to remove sediment from membrane element surfaces. T o flush the unit: STEPS 1. Open the concentrate valve until the pressure gauge indicates the minimum pres- sure designated on the nameplate.
T able 4.4 Dry Chemical Cleaners CLEANING PROCEDURE STEPS 1. W ith the RO machine running, open the Clean-In-Place (CIP) permeate valve. After this valve has been opened, close the permeate service valve.
4. T urn the CIP ON/OFF switch to the ON position and recirculate the cleaning solu- tion through the machine. The cleaning solution should be recycled for approxi- mately 15 minutes or until the solution temperature reaches 85°F (29°C).
3. Remove the tubing connections on the inlets and outlets of the membrane element housings. 4. Open the concentrate valve. 5. Remove the drain plugs from all PVC manifolds. 6. Be sure the flow meters are drained by disconnecting the bottom fitting of each flow meter .
7. Inspect the membrane element housing and clean as necessary to remove any con- taminants, obstructions, etc. 8. Apply a small amount of O-ring lubricant to all O-rings on the end caps, and the brine seal on the membrane element. 9. Insert the downstream end of the membrane element in the upstream end of the membrane element housing (i.
2. Remove all the membrane elements from the membrane element housings in the direction of flow , where possible. If necessary , a membrane element can be removed against the direction of flow . A heavy duty pliers or channel lock pliers may be necessary to pull the old membrane element our of the membrane element housing.
5.0 OPTIONAL ACCESSORIES 5.1 Level Controls Float switches, pressurized storage switches or other level controls should be wired into the control circuit line prior to the switch on the unit.
6.0 TROUBLESHOOTING 26 SYMPTOM Low operating pressure Low permeate flow rate POSSIBLE CAUSES Insufficient feed water pressure or flow Clogged pre-filter cartridge High flow rates Dirty or fouled membr.
27 SYMPTOM Low permeate flow rate (continued) Low concentrate flow rate, normal or higher than normal pressure Pressure does not drop when concentrate valve opened POSSIBLE CAUSES Dirty or fouled memb.
28 SYMPTOM High operating pressure Excessive pressure drop [over 50 psig (3.4 barg)] (high primary pressure - low final pressure) W ater flowing when machine is turned OFF Declining rejection (high pe.
29 SYMPTOM Declining rejection (high permeate conductivity) (continued) Switch ON, unit not operating POSSIBLE CAUSES O-ring seal broken or damaged Change in incoming water quality Inaccurate conducti.
30 SYMPTOM Electrical machine shutdown POSSIBLE CAUSES Alarm condition has turned machine OFF Motor starter overloaded, heater tripped T iming relay defective/burned out REMEDIES Restart the machine by pushing the alarm bypass. Check all possible alarm conditions: inlet pressure or motor starter overload.
7.0 RETURN GOODS AUTHORIZA TION (RGA) PROCEDURE If you wish to return good for repair , warranty evaluation and/or credit, please have your original sales order or invoice available when you call GE Osmonics. Call (800) 848-1750 and ask to speak with Customer Service.
8.0 W ARRANTY W arranty T erms Subject to the terms and conditions set forth hereinafter , Seller (GE Osmonics, Inc. or any of its authorized subsidiaries) warrants to the original purchaser (hereafte.
workmanship. Required or replaced products or components shall be returned to the Buyer by the Seller , freight prepaid by Seller , via UPS ground or best way surface freight. In genuine emergency situation, Seller will (at Seller’ s sole option) forward replacement parts to Buyer without waiting for authorized return of the questionable part(s).
34 T emperatur e Permeate Rate Concentrate Rate T otal Flow Rate Recovery Pre-Filter Pr essure Post-Filter Pressur e Primary Pressur e Final Pressur e Feed TDS Concentrate TDS A verage TDS Permeate TD.
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36 © Copyright 2003 GE Osmonics, Inc. Printed in USA, P/N 1236825 Rev . A This is a template. Make copies as needed. *Symbols: Q - Flow Rate; C - Conductivity Reference the T roubleshooting Guide in your Instruction Manual where trends or differences are noted .
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