USF RO ManualOMRX_6.pdf

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RX Manual 04/04 Rev. 6 OPERATING INSTRUCTIONS 3.1 CONTROLS AND INDICATORS 3.0 OPERATING INSTRUCTIONS The controls and indicators used in the operation of the system are outlined in the MC10 RO Controller manual located in the Appendix. The operator must be thoroughly familiar with the controls and their respective functions for proper operation and in order to maintain the quality of the product and eliminate unnecessary shutdowns. 3.2 INITIAL STARTUP OF REVERSE OSMOSIS SYSTEM CAUTION CAUTION CAUTION Verify that all RO pressure vessel end cap retaining “U” pins are in place and secure. Do not run the motor for more than 30 seconds backwards or irreversible pump damage may result. The membrane feed pressure should not be allowed to exceed 250 psig at any time during operation. A. The operator should verify that appropriate pretreatment is in place and operating satisfactorily. Inappropriate or inoperative pretreatment can damage the membranes. B. Make all water, electrical, and drain connections according to installation instructions. C. Divert the outlet of the product water to a convenient drain. D. Turn on the feed water and the electrical power. With product water diverted to drain, fully open the reject throttling valve and close the reject recirculation throttling valve. E. Place the controller in the DIRECT FEED mode (refer to the Reverse Osmosis Controller manual in the Appendix for detailed instructions). Press the SYSTEM START button on the controller keypad to start the system, after a fifteen-second delay the pump should start. F. Check for proper pump rotation. (Please refer to the Pump Information, included in the Appendix of this manual for information concerning motor rotation and any other electrical requirements.) G. Set the reject recirculation flow to zero, but do not exceed 250 psig pressure to the membranes. Open the reject valve further if necessary to avoid over pressuring the system. CAUTION Do not use reject recirculation option for the first 4 hours of operation to speed flush up of the system. USFilter 3-1
RX Manual 04/04 Rev. 6 OPERATING INSTRUCTIONS H. Set the percent rejection alarm setting to 90%. I. Check for plumbing leaks and make appropriate repairs as necessary. All systems are leak checked at the factory but vibration during transit can cause new leaks to develop. J. Once the system is checked out and operating correctly, place the controller in the desired mode. Read the next section on initial flushing before directing product water to the water storage tank or user system. 3.3 INITIAL FLUSHING OF THE SYSTEM Since the RO membranes are shipped with sodium bisulfite preservative solution, initial flushing of the system is required. Before operating a new system, and also after the replacement of a RO membrane, perform the following steps: A. Direct the product water to a convenient drain. B. Ensure a steady feed water supply, turn on the system pump and let the system run for 24 hours. This will flush residual bisulfite solution and any particulate impurities from the membranes, housings and plumbing of the system. C. Product quality will increase slowly for 1 hour. Monitor the inlet quality vs. the product quality by observing the conductivity meter outputs. NOTE: The system should have better than 90% rejection within 2 hours as the membranes equilibrate. If the product quality does not improve, refer to section 5.0 Troubleshooting. D. After flushing product to drain for a minimum 24 hours, turn off the system and reconnect the product line. The system is now ready to be put into a normal operating mode. Refer to the Product Description/Equipment Specifications in the Appendix for design flowrates and pressures. 3.4 NORMAL OPERATIONS The following procedure is for operating a USFilter Reverse Osmosis System that has been installed and initial flushing has been completed. Refer to the MC10 Controller manual in the Appendix for detailed instructions. USFilter 3-2
Page 1 and 2: USFilter 10 Technology Drive Lowell
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Page 5 and 6: TABLE OF CONTENTS SECTION DESCRIPTI
Page 7 and 8: For Product and Service Information
Page 9 and 10: RX Manual 04/04 Rev. 6 INTRODUCTION
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