LMI AA14 Instruction Manual Download Page 17 | Manualshive

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17

Typical 4-FV Installation

Flow

Flow

Recirculating

Pump

LMI Pump

Tank

LMI 4-FV (Acces-

sory)

Prevents over

pumping and

syphoning

when pumping

downhill

into low or

no pressure

DO NOT submerge

return line in solution

Injection Check Valve

To Injection Point

LMI 4-FV (Accessory)

Prevents syphoning

when pumping into

suction side of

recirculating pump

(Vacuum)

Tank

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Summary of Contents for AA14

Page 1: ...ng replacement parts for your LMI Metering PumporAccessory pleaseincludecompleteModelNumber and Serial Number of your unit 201 Ivyland Road Ivyland PA 18974 TEL 215 293 0401 FAX 215 293 0445 www lmipu...

Page 2: ...2...

Page 3: ...pplied with Multi Function Valve 24 6 3 Start Up Priming without Multi Function Valve 25 6 4 Output Adjustment 26 6 5 Total Pump Output 26 7 0 Methods of External Triggering or Pacing B7 C7 and P7 Pum...

Page 4: ...horized repair centers to give you prompt and efficient service Please review this manual carefully Pay particular attention to warnings and precautions Always follow good safety procedures including...

Page 5: ...5 Example Your pump consists of two main components 1 The Drive Assembly and 2 The Liquid Handling Assembly P 1 5 1 Drive 3 9 2 S I Liquid Handling Assembly...

Page 6: ...lement for an illustration and electrical diagram of your complete pump Tubing Dependingonthemodel yourcartonmay contain 0 1 2 or 3 rolls of tubing Your carton may contain a roll of vinyl tubing DO NO...

Page 7: ...7 Instruction Supplement Injection Check Valve Instruction Supplement LMI M I L T O NR O Y Optional 4 Function Valve pictured or Optional 3 Function Valve Optional Milliamp Input Cable...

Page 8: ...ater disas semblethePumpHeadAssembly Thoroughlydrythepumphead valves sealrings ballsandLiquifram diaphragm Reassemble head assembly tightening screws in a crisscross pattern Refill the pump head with...

Page 9: ...al Excessiveovertighteningoruseofapipewrench can cause damage to the fittings seals or pump head All LMI pumps have straight screw machine threads on the head and fittings and are sealed by the seal r...

Page 10: ...eringpumpmustbemountedsothatthesuction and discharge valves are vertical NEVER position pump head and fittings horizontally Electrical Connections To reduce the risk of electrical shock install only o...

Page 11: ...ng prime is reduced When pumping downhill or into low or no pressure system a back pressure anti syphon device should be installed to prevent overpumping or syphoning Although popular for all solution...

Page 12: ...t Bracket Assembly part no 34643 directly above the solution tank A pump mounted in this manner allows for easy changing of solution tanks or drums Injection Check Valve Pressure Line 2 0 in 50 mm Spa...

Page 13: ...no 27421 35 gallon tank part no 27400 and 50 gallon tank part no 26350 have molded recesses for pump mounting Tee Injection Check Valve LMI 50 Gallon Solution Tank Foot Valve 2 0 in 50 mm Space for S...

Page 14: ...maintaining a suction lift of less than 5 ft 1 5 m An LMI mounting kit part number 10461 is available for securing the pump to a shelf Flow Injection Check Valve Anti Syphon Pressure Relief Valve Opti...

Page 15: ...into the Male Ferrule reference FIGURE 2 3 Firmly hand tighten the Coupling Nut onto the fitting Note Tightening with pliers may cause the Ferrules to break A Use only LMI Tubing ALWAYS use LMI suppl...

Page 16: ...ank 2 Line Depressurization Opening the relief knob provides line drain back to the sup ply tank 3 Priming Aid Opening the relief knob assists in priming the pump by venting the discharge line to the...

Page 17: ...V Acces sory Prevents over pumping and syphoning when pumping downhill into low or no pressure DO NOT submerge return line in solution Injection Check Valve To Injection Point LMI 4 FV Accessory Preve...

Page 18: ...can position the valve to have the pressure relief port in any convenient location by tightening the 4FV coupling nut with the pressure relief port positioned 90 CCW from desired location then holdin...

Page 19: ...s inherent with effervescent chemicals such as Sodium Hypochlorite and Hydrogen Peroxide The valve keeps the pump primed automatically When installing a pump equipped with an AutoPrime Liquid End conn...

Page 20: ...tical and approximately 2 inches 50 mm from the bottomof thetankor drum see illustration Connect the other end of the tubing to the suction side of the pump head bottom side see Tubing Connections Sec...

Page 21: ...t the injection check valve PTFE tape should only be used on threads that are connected with pipes 3 When installing the Injection Check Valve be sure to position it so that the valve enters the botto...

Page 22: ...s on LMI Online Library at www lmipumps com 1 Select Online Literature Library in the Navigation Bar on left 2 Once on Online Literature Library use Product drop down to select Liquid Handling Assembl...

Page 23: ...power consumption reducing heat pipe shock and pulsation while increasing pump life See Section 7 0 after priming for proper adjustment settings 2 SpeedAdjustment Upper Knob if equipped Speed control...

Page 24: ...ief side black knob of the multi func tion valve 4 The suction tubing should begin to fill with solution from the tank 5 A small amount of solution will begin to discharge out the return line of the m...

Page 25: ...adjustment Section 6 4 If the pump does not self prime remove the fitting on the dis charge side of the pump head Remove the ball and pour water or solution into the port until the head is filled Repl...

Page 26: ...PUMP OUTPUT MAX PUMP OUTPUT x SPEED x STROKE Example P151 392SI Use MAX Output from dataplate on bottom center of pump control panel 24 GPD 24 gallons per day If the pump is set at 60 speed and 70 str...

Page 27: ...27...

Page 28: ...mum time in high imped ance state off is 100 milliseconds 4 Opto Isolator 2 NPN Transistor Base goes high to trigger pump Black Black White White 3 PNP Transistor Base goes low to trigger pump White B...

Page 29: ...29 or Pacing B7 C7 and P7 Pumps...

Page 30: ...itch pump to Internal Mode Pump until all the air is exhausted from the suction line and head 4 Turn the pump off Refill graduated container to a level starting point If pump is equipped with pressure...

Page 31: ...all point now turn Pressure Control Potentiometer clockwise halfway between the stall point and maximum setting This is the optimum pressure control setting for your application Increase setting if ba...

Page 32: ...p OFF and note solution level in graduated container Refill graduate to a starting point 6 Switch pump ON and count the number of strokes for exactly one minute then switch pump OFF 7 Note volume pump...

Page 33: ...maintenance of elastomeric parts is essential for optimum performance This involves replacing the Liquifram cartridgevalvesorsealrings valveballs multi functionvalvecap assembliesandtheinjectioncheck...

Page 34: ...clockwise Discard old Liquifram Remove the Liquifram disk if so equipped located behind the Liquifram and check that the size code matches the size code on the replacement Liquifram see illustration...

Page 35: ...ed completely turned all the way in Do Not Use Straight Edge 6 GrasptheouteredgeoftheLiquifram andadjustbyscrewing it in or out so that the center of the Liquifram is flush with the outside of the spa...

Page 36: ...o the pump head until pump is purged of water or neutralizing solution Once the pump has been flushed lift the Foot Valve out and continue to let air into the pump head until pump is purged of water o...

Page 37: ...ero position no clicking 3 Ifthepumpcontinuestoclickatzeroorstopsclickingbefore zero is reached the pump zero must be reset see Section 10 1 or 10 2 10 1 Type I Push on Knob Re Zeroing and Stroke Knob...

Page 38: ...on the nameplate or end of the black or red band 8 Push down on the outer section a snap sound indicates parts are locked together 9 Replace the yellow cap over the outer section of the knob aligning...

Page 39: ...39...

Page 40: ...tank 6 Fittings are over tightened 7 Air trap in suction valve tubing 8 Toomuchpressureatdischarge Pumps without multi function valve Pump Loses Prime 1 Solution container ran dry 2 Foot Valve is not...

Page 41: ...ON see Section 4 2 1 8 Shutoffvalvesinpressurizedline Disconnecttubingatinjectioncheck valve see Priming Section 6 0 When pump is primed reconnect discharge tubing 1 Refill container with solution and...

Page 42: ...xceeded by injection pressure Pressure 2 Worn Seal Rings 3 Ruptured Liquifram 4 Incorrect stroke length 5 Tubing run on discharge may be too long 6 Clogged Foot Valve strainer Failure to Run 1 Pump no...

Page 43: ...e Section 10 0 5 Longer tubing runs may create frictional losses sufficient to reduce pump s pressure rating Consult factory for more information 6 Remove Foot Valve strainer when pumping slurries or...

Page 44: ...AA75 AA95 230 VAC 291 335 AA16 AA76 AA96 AA17 AA77 AA97 P02 P03 P12 P13 J54D J55D J56D 12 VDC 1 1 1 3 E70 E71 E72 E73 E74 115 VAC 22 8 26 2 230 VAC 91 105 B11 B12 B13 B14 115 VAC 43 49 B71 B72 B73 B74...

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