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3 §3.0 PRE-INSTALLATION PROCEDURES............................................................................... 7 §4.1 LOCATION ............................................................................................................ 8 §4.2 SYSTEM PLUMBING INSTALLATION GUIDE LINES ........................................... 8 §4.3 ELECTRICAL........................................................................................................ 10 §5.0 SYSTEM FLUSH AND PERFORMANCE VERIFICATION .............................................. 12 §5.1 SYSTEM FLUSH AND OPERATION ................................................................... 12 §5.2 PERFORMANCE VERIFICATION ....................................................................... 13 §6.0 OPERATION AND MAINTENANCE ................................................................................ 14 §6.1 DAILY SYSTEM CHECKS .................................................................................... 14 §6.2 MONTHLY SYSTEM CHECKS ............................................................................. 14 §6.3 QUARTERLY SERVICE ....................................................................................... 14 §6.4 PERIPHERAL EQUIPMENT ................................................................................. 14 §7.0 SERVICE......................................................................................................................... 14 §7.1 LOW PRESSURE SWITCH ADJUSTMENT ......................................................... 14 §7.2 TANK PRESSURE SWITCH ADJUSTMENT........................................................15 §7.3 MEMBRANE REPLACEMENT (see Figure 4).......................................................15 §7.4 PRE FILTER CARBON CARTRIDGE REPLACEMENT........................................18 §7.5 POST-FILTER CARBON CARTRIDGE REPLACEMENT ..................................... 18 §8.0 PARTS AND ACCESSORIES ......................................................................................... 20 §9.0 ATTACHMENTS.............................................................................................................. 21 §9.1 REMOTE BYPASS SYSTEM INSTRUCTIONS .................................................... 21 §9.2 TDS MONITOR INSTRUCTIONS ......................................................................... 22 §9.3 WARRANTY ......................................................................................................... 23 PERFORMANCE RECORD 2 THE NIMBUS MN-800 TF REVERSE OSMOSIS TREATMENT SYSTEM The Nimbus MN-800 TF is the perfect system for a wide variety of applications. Features include stainless steel pressure vessels, frame and concentrate recirculation valve. There are pressure gauges on the pre-filter outlet, post-filter inlet and the high pressure outlet of the desalinator array. The MN-800 TF is also equipped with a 20" 10µ (micron) carbon cartridge pre-filter and post- filter. An Auxiliary 10. Post Filter with a Calcite element is included in the product line of one desalinator. MN-800 TF systems have a nominal production rate of 800 gallons per day. §1.0 MN-800 TF SYSTEM SPECIFICATIONS MODEL NO. MN-800 TF Membrane Type Thin Film No. of Desalinators 2 (2525) Production Rate . (GPD) 800 Production Rate . (ml/min) 2,103 Maximum Operating Pressure (PSI) 200 Maximum Recovery 33% Electrical Supplies 110V/60 Hz 11.0 A 220V/60 Hz 5.2 A Motor Rating 3/4 HP Pump Model 2504 A Dimension 42.H x 19.W x 16.D Weight 84 lbs † Production rates are based on 200 psi net working pressure at 77°F with feed water containing 1000 ppm NaCl. Flow tolerances are ± 15%. §2.0 SYSTEM COMPONENTS (See Figure 1) DESALINATOR: This is where the dissolved solids are separated from the feed water. This assembly consists of a 316 stainless steel pressure vessel that houses the reverse osmosis (RO) membrane. The MN-800 TF models come equipped with a Thin Film (TF) Membrane. PUMP/MOTOR ASSEMBLY: The rotary positive displacement pump boosts water pressure in the desalinator to about 185 psi (12.8 bar) to ensure high solids rejection and high flow rates. SOLENOID VALVE: Electrically operated valve that prevents water from flowing through the system when it is not in operation. 3 4 CONCENTRATE RECIRCULATION VALVE: A needle valve that controls the amount of concentrate from the desalinator array to be recirculated back into the feed stream. This feature allows for higher recovery rates. Additionally, adjustment of this valve regulates the pump discharge pressure. FLOW CONTROL: A fixed orifice that controls the amount of water flowing across the membrane to drain. PRODUCT WATER CHECK VALVE: A one-way valve that prevents pressurized product water from flowing back into the desalinator (and possibly damaging the membrane) when the system is off. There is a check valve in the product line for each desalinator. SYSTEM PRESSURE GAUGE: A glycerin filled gauge that displays the operating pressure in the desalinator....