LMI ROYTRONIC EXCEL AD2 Instruction Manual
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LMI ROYTRONIC EXCEL AD2 Instruction Manual

Series ad, electronic metering pumps
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Instruction
ROYTRONIC EXCEL™ Series AD
For file reference, please record the following data:
Model No: _____________________________________
Serial No: _____________________________________
Installation Date: ________________________________
Installation Location: _____________________________
When ordering replacement parts for your LMI Metering Pump
or Accessory, please include complete Model Number and
Serial Number of your unit.
Carefully read and understand all precautions before
installing or servicing any metering pump.
Electronic Metering Pumps
Manual
201 Ivyland Rd.
Ivyland, PA 18974
TEL: (215) 293-0401
FAX: (215) 293-0445
www.lmipumps.com
Lit# 2024.C 10/2011

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Summary of Contents for LMI ROYTRONIC EXCEL AD2

  • Page 1 Model No: _____________________________________ Serial No: _____________________________________ Installation Date: ________________________________ Installation Location: _____________________________ When ordering replacement parts for your LMI Metering Pump or Accessory, please include complete Model Number and Serial Number of your unit. Carefully read and understand all precautions before installing or servicing any metering pump.
  • Page 2 ROYTRONIC EXCEL™ Series AD Model AD 2 5 1 - 8 3 8 S I Model Code Configuration *VU[YVS *VKL AD2 - Dual Manual Control – Digital: Stroke frequency and length manually adjustable with digital LCD display, low level indication (remote input). Display configurable to indicate calculated pump flow.

  • Page 3: Table Of Contents

    Contents Precautions ..............4 Introduction .

  • Page 4: Precautions

    Refer to MSDS precautions from your solution supplier. Water Pre-Prime All LMI pumps are pre-primed with water when shipped from the factory. If your solu- tion is not compatible with water, disassemble the Pump Head Assembly. Thoroughly dry the pump head, valves, o-rings, balls and Liquifram ™...
  • Page 5 Back Pressure/Anti-Syphon Valve If you are pumping downhill or into low or no system pressure, a back pressure/anti- syphon device such as LMI’s Four-Function Valve should be installed to prevent overpumping or syphoning. Contact your LMI distributor for furthur information.

  • Page 6: Introduction

    LMI is the world’s most versatile manufacturer of economical and efficient metering pumps. This manual addresses the installation, maintenance and troubleshooting proce- dures for manually and externally controlled pumps. LMI has a worldwide network of stocking representatives and authorized repair centers to give you prompt and efficient service.

  • Page 7: Unpacking Check List

    UNPACKING CHECK LIST Unpacking Check List Your carton will contain many or all of the following items. Please notify the carrier immediately if there are any signs of damage to the pump or its parts. Metering Pump Foot Valve Tubing (0 to 3 Rolls) Ceramic Foot Valve Injection Check Four-Function Valve...

  • Page 8: Installation

    Note that suction conditions can affect the performance of the pump. This effect is more pronounced with lower pressure pumps. Consult your distributor for additional information. Your LMI metering pump must be mounted so that the suction and discharge valves are vertical. NEVER position pump head and fittings horizontally. 3.2.1 Flooded Suction For flooded suction the pump is mounted at the base of the storage tank.

  • Page 9: Suction Lift - Wall Bracket Mount

    INSTALLATION 3.2.2 Suction Lift - Wall Bracket Mount The pump may be mounted using an LMI Wall Mount Bracket Assembly (part no. 34643) directly above the solution tank. A pump mounted in this manner allows for easy chang- ing of solution tanks or drums.

  • Page 10: Tubing Connections

    INSTALLATION Tubing Connections  ,QVHUW WXELQJ WKURXJK &RXSOLQJ 1XW²7XELQJ VKRXOG HQWHU WKH VPDOOHU HQG RI WKH &RXSOLQJ 1XW ¿UVW RULHQWLQJ the larger opening of the Coupling Nut toward the tubing end. 2a. For 1/4” OD tubing: Position the Female Ferrule so that 1/4” to 3/8” (5-10 mm) of tubing protrudes from the Female Ferrule.

  • Page 11: Four-Function Valves (4-Fv)

    Your pump may be equipped with a 4-FV, or standard discharge valve. If your pump is not equipped with a four-function valve and you feel it is needed in your application, it can be purchased as an accessory. Contact your local LMI stocking distributor. The features of a 4-FV are listed below.

  • Page 12: Four-Function Valve Installation

    INSTALLATION Four-Function Valve Installation To install a 4-FV, the 4-FV Fitting and Coupling Nut should be assembled with the appropriate cartridges into the discharge port of the pump. Use a 13/16” or 20 mm socket to tighten fitting. Tight- ening to 50 inch-pounds is recommended. Do not over tighten. To assemble the Four-Function Valve Body, insert the large opening on the Four-Function Valve Body into the 4-FV Coupling Nut and hand tighten.

  • Page 13: Autoprime

    INSTALLATION AutoPrime™ Pumps installed with the AutoPrime™ Liquid End are equipped with a valve that allows for constant removal of vapors and gasses 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, connect the 1/2"...

  • Page 14: Foot Valve/Suction Tubing Installation

    INSTALLATION Foot Valve/Suction Tubing Installation The Foot Valve acts as a check valve to keep the pump primed in suction lift applications. The foot valve is designed to be submersed in the solution tank or drum and must sit in a vertical position at the bottom.

  • Page 15: Injection Check Valve And Discharge Tubing Installation

    INSTALLATION Injection Check Valve and Discharge Tubing Installation The Injection Check Valve prevents backflow from a treated line. Install the injection check valve at the location where chemical is being injected into the system. Any size female NPT fitting or pipe tee with a reducing bushing to 1/2" female NPT will accept the injection check valve.

  • Page 16: Operation

    OPERATION 4.0 Operation Output Adjustment Controls Power Button: This button allows convenient starting and stopping of the pump. Mode Selection Button: For pumps with external control capability (AD8, AD9) this button switches pump operation between internal and external modes. When operating in internal mode the Pulse Indicator Light will flash green while pumping.
  • Page 17 The pin functions (and the wire color for the standard LMI external control cable) are as follows: 1. Remote On/Off Signal (Brown) 2. Ground/Return Connection (White) 3.

  • Page 18: Start-Up And Adjustment

    OPERATION Start-up and Adjustment 4.2.1 Start-Up/Priming for FastPrime™ Heads (LE-XXXNX) Read this entire section completely before proceeding. If the pump does When all precautionary steps have been taken, the pump is mounted, and the tubing is not self-prime, securely attached, you may now start priming the pump. remove the fitting on the discharge 1.

  • Page 19: Start-Up/Priming For Autoprime Heads (Le-Xxxax Or Le-Xxxhx)

    OPERATION 4.2.3 Start-Up/Priming for AutoPrime™ Heads (LE-XXXAX or LE-XXXHX) Read this entire section completely before proceeding. When all precautionary steps have been taken, the pump is mounted, and the tubing is securely attached, you may prime the pump. 1. Plug in or switch on the pump. 2.

  • Page 20: Calibrating The Displayed Flow (Ad2, Ad8)

    OPERATION 4.3.2 Calibrating the Displayed Flow (AD2, AD8) The Roytronic Excel Pumps are equipped to display a theoretical flow rate based upon the pump’s stroke speed and stroke length. These calculations are based upon factory test conditions which may be significantly different from your application. It is necessary for the user to perform the following calibration procedure when the pump is connected to your system, and using the actual chemical.

  • Page 21: Methods Of Externally Triggering Or Pacing Ad8 And Ad9 Pumps

    OPERATION Methods of Externally Triggering or Pacing AD8 and AD9 Pumps Method of Triggering AD8 and AD9 Pumps through External Control Connector Switch or transistors must be capable of switching 24V DC at Blue 15 milliamperes. Minimum time in low impedance state (ON) is 1.

  • Page 22: Control Modes

    OPERATION 4.4.1 Control Modes 4.4.1.1 Local/Internal Mode Display. down to 1 stroke per hour (SPH). 4.4.1.2 Changing Displayed Flow Units (AD2, AD8) 1. When in Internal Mode use the Power Button to turn the pump off. 2. Hold the Up Button and Down Button in at the same time until ‘FLO’ is displayed on the LCD Display, then release the buttons.

  • Page 23: Spare Parts Replacement And Routine Maintenance

    This involves replacing the Liquifram ™ , cartridge valves, O-rings, and the injection check valve spring. LMI recom- mends replacing these parts at least once a year; however, frequency will depend on your particular application.

  • Page 24: Liquifram (Diaphragm) Replacement

    This involves replacing the ™ Liquifram , cartridge valves, O-rings and the injection check valve spring. LMI recom- mends replacing these parts at least once a year; however, frequency will depend on your particular application.

  • Page 25: Cartridge Valve And O-Ring Replacement

    See MSDS information from solution supplier for additional precautions. Refer to the LMI Metering Pump Price List for the proper Spare Parts Kit or RPM Pro ™ kit number or contact your local LMI stocking distributor.

  • Page 26: Injection Check Valve Parts Replacement

    See MSDS information from solution supplier for additional precautions. Refer to the LMI Metering Pump Price List for the proper Spare Parts Kit or RPM Pro ™ kit number or contact your local LMI stocking distributor.

  • Page 27: Fastprime™ Valve O-Ring Replacement

    ALWAYS wear protective clothing, face shield, safety glasses and gloves when performing any maintenance or replacement on your pump. Refer to the LMI Metering Pump Price List for the proper Spare Parts Kit or RPM Pro ™ kit number or contact your local LMI stocking distributor.
  • Page 28 MAINTENANCE FastPrime™ Valve O-Ring Replacement (continued) 6. Recut 1 to 2 inches off the tip of the return line and ensure the end is squared. Press the return line tubing on completely past the barbs. O-Rings O-Rings Retaining Nut 3/8" Clear Vinyl Tubing FastPrime Valve FastPrime...

  • Page 29: Drive Parts List

    MAINTENANCE 5.7 Drive Parts List...
  • Page 30 MAINTENANCE Bubble Bubble Description Description Number Number EPU O-Ring Control Panel O-Ring EPU Return Spring Wire Harness EPU Shim Drive Assembly Screws Plunger O-Ring Female Stroke Shaft Retaining Ring Male Stroke Shaft Stroke Bracket Stroke Shaft O-Ring Stroke Bracket Screw PCB Attachment Screw Stroke Bracket Washer Shaft Seal...

  • Page 31: Epu Wiring Diagram

    MAINTENANCE 5.8 EPU Wiring Diagram...

  • Page 32: Liquid End Parts

    5.9 Liquid End Parts For the latest and most accurate information on your liquid end, please refer to the Liquid End Sheets available in the LMI Online Library at: www.lmipumps.com. 1. Select “Online Literature Library” in the Navigation Bar on left.
  • Page 33 MAINTENANCE AutoPrime™ Liquid End Assembly...
  • Page 34 MAINTENANCE Stainless Steel Liquid End Assembly...

  • Page 35: Wiring Diagrams

    WIRING DIAGRAMS 6.0 Wiring Diagrams 5 PIN CONNECTOR USE 5 PIN CABLE (LMI P/N 48414) PIN WIRE SIGNAL %URZQ Remote On-Off White Ground-Return %OXH External Pulse Input %ODFN 3RZHU 6XSSO\ 9  P$ Green-Yellow 4-20 mA Input 6 PIN CONNECTOR...
  • Page 36 WIRING DIAGRAMS INPUT WIRING DIAGRAMS...
  • Page 37 WIRING DIAGRAMS INPUT WIRING DIAGRAMS...
  • Page 38 WIRING DIAGRAMS INPUT WIRING DIAGRAM...
  • Page 39 WIRING DIAGRAMS OUTPUT WIRING DIAGRAMS...

  • Page 40: Troubleshooting

    5. Suction tubing is curved or coiled in 5. Suction tubing must be vertical. Use tank. LMI ceramic weight supplied with pump (see Section 3.7). 6. Fittings are over tightened. 6. Do not overtighten fittings. This causes seal rings to distort and not seat properly which causes pump to leak back or lose prime.
  • Page 41 2. Little or no pressure at injection 2. If pressure at injection point is less point. than 25 psi (1.7 Bar), an LMI 4-FV should be installed (see Section 3.4). 3. Excessive strokes per minute. 3. Replace pulser or resistor.
  • Page 42 — NOTES —...
  • Page 43 — NOTES —...
  • Page 44 FAX: (215) 293-0445 http://www.lmipumps.com Liquifram, Liquitron, Micropace, FastPrime, AutoPrime, and © 2011 LMI Milton Roy - All Rights Reserved Pro Pac are trademarks of Milton Roy Company, Teflon is a Specifications subject to change without notice. registered trademark of E. I. du Pont de Nemours & Co., Inc.

This manual is also suitable for:

Roytronic excel ad8Roytronic excel ad9

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