LMI AA14 Скачать руководство пользователя страница 28 | Manualshive

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28

Switch or transistors must be capable of

switching15VDCat2milliamperes.Mini-

mumtimeinlowimpedancestate(ON)is50

milliseconds.Minimumtimeinhighimped-

ancestate(OFF)is100milliseconds.

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

– Black

1. Switch Closure

Switch closing

triggers pump

Method of Triggering LMI Pump

Through 4-Pin Connector

7.0 Methods of Externally Triggering

or Pacing B7, C7 and P7 Pumps

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Содержание AA14

Страница 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...

Страница 2: ...2...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 27: ...27...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 39: ...39...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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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