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Eldex MicroPro Manual

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II. INSTALLATION
What You Will Need
Everything you need to operate your MicroPro Pump has been supplied, including plumbing
connections, solvent reservoir and the µPro pump.
For routine maintenance you will need 1/4", 5/16", and 1/2" wrenches, a 5/32" and 9/64" hex
keys, as well as a small flathead screwdriver. Depending on your configuration, other tools may
be required. Tools needed for routine and specialized maintenance of your µPro pump are
included in Eldex Part No. 1432.
Unpacking & Location
Unpack your µPro pump carefully. You should not discard any packing material, as you will
want to re-use it for storage and shipping. If any damage is evident from improper handling
during shipment, you should contact the freight company that delivered the unit and file a claim.
CAUTION: We have tested this pump with 2 propanol. Residual amounts of 2 propanol may
be in the syringe and connecting tubing. You may wish to flush with an appropriate, miscible
solvent.
You may be using a variety of fluids which require special handling procedures and safety
precautions. Consult the appropriate MSDS (Material Safety Data Sheet) supplied with the
materials you will be using. Be certain to follow all handling, safety, and disposal procedures
appropriate for the materials you use.
Use your µPro pump in a clean, well ventilated and dust free environment, free of corrosive or
explosive vapors. The µPro Pump is designed for table top use; do not install your pump on the
floor. The µPro Pump must be operated in an upright position. Safety may be impaired if use of
your µPro pump is not as instructed.
© 2000 Eldex Laboratories, Inc.
Contents:
What You Will Need
Unpacking & Location
Setup Summary
Setup & Connections
Electrical
Plumbing
Software
Priming & Purging
Outlet Connection
Equilibration & Characterization
Page:
2.1
2.1
2.2
2.3
2.3
2.8
2.10
2.13
2.15
2.17
2.1

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Summary of Contents for Eldex MicroPro

  • Page 1 2.17 What You Will Need Everything you need to operate your MicroPro Pump has been supplied, including plumbing connections, solvent reservoir and the µPro pump. For routine maintenance you will need 1/4”, 5/16”, and 1/2” wrenches, a 5/32” and 9/64” hex keys, as well as a small flathead screwdriver.
  • Page 2 Setup Summary Following is a brief summary of the setup procedures. Detailed explanations and procedures follow. Electrical Check the voltage setting on the Power Entry Module; correct if necessary. Connect the power cord. Make the I/O (Input/Output) connections (if installed and desired). Plumbing Fill the solvent bottle(s).

  • Page 3: Power Entry Module

    Setup and Connections Electrical Power Entry Module Before connecting the power cord, check that the voltage input is properly set for the conditions you will be using. Figure 2.1 shows the power entry module. The voltage is indicated in the Fuse Drawer window (1).
  • Page 4 I/O Board Figure 2.2 shows the I/O board. Table 2.1 indicates the function of the positions on the I/O board. Modular Connectors Figure 2.2: Input/Output Board To wire the I/O board for remote inputs or outputs, use your fingers or a small screwdriver and pry away the modular connectors.
  • Page 5 Inputs The µPro Pump can be remotely controlled from devices which send contact closures. Four remote inputs are available on the I/O board as defined in Table 2.2: Table 2.2: I/O Board Inputs I/O Position Function Description 15 & 16 Run Start Starts a file/cycle or file/sequence, or real time parameters, including pre-pressurization &...

  • Page 6: Analog I/O Board

    Analog I/O Board Figure 2.3 shows the Analog I/O board. Table 2.4 indicates the function of the positions on the Analog I/O board. Modular Connector Figure 2.3: Analog I/O Board To wire the Analog I/O board for remote inputs or outputs, use your fingers or a small screwdriver and pry away the modular connectors.

  • Page 7: Serial Connections

    RS485 Address Port Configuration Port Figure 2.4: Address/Configuration Ports Table 2.5: Address/Configuration Port Functions Address Port Function Configuration Function Position Port Position Single Mode Master. 2mL syringe, no xducr. Reciprocating Mode Master. 2mL syringe, 1k psi xducr. Gradient Mode Master. 2mL syringe, 5k psi xducr.

  • Page 8: Inlet Connection

    Plumbing Solvent Bottle The µPro pump includes solvent bottles. 2mL syringe systems include a 200mL bottle; 10mL syringe systems include a 400mL bottle. Bottles come with standard GL-45 bottle caps and tubing assembly. The tubing assembly includes plastic lines for fluid and helium with a fluid and helium filter. The helium line is approximately 2 feet long and has a 1/4-28 fitting on the end.
  • Page 9 Purge Connection Two functions are provided by the low pressure active valve (where present); providing an inlet, and purging the syringe. A purge line may be provided with the µPro pump (a few feet of ® Teflon tubing with a 1/4-28 plastic tube nut attached). The purge line is connected to the upper port of the low pressure active valve (see Figure 2.5).

  • Page 10: Software Setup

    Software Setup Before setting the parameters of temperature and refill/purge rates, you may find it useful to read the local interface overview on pages 3.5-3.6. and then ∆ TIP: If you are several layers deep in the software, pressing will DISPLAY MENU return you directly to the Main Menu.
  • Page 11 Default Refill and Purge Rates When you press from screen D1.3 (above) after entering a temperature setting, you are ENTER returned to screen D1 (below). To set the default refill and purge rates, press softkey (REFILL/PURGE RATE) and screen D1.2 will be displayed. The values entered in screen D1.2 apply to the syringe indicated in the upper right corner of the display.
  • Page 12 # of Cycles The # OF CYCLES field determines the number of times the syringe is purged and refilled. TIP: You likely need to enter a higher value than the default in the # OF CYCLES field to be certain that all the air has been expelled from the system. Usually 4 cycles of the purge program will be adequate.
  • Page 13 Priming and Purging Inlet To prime the syringe, first press softkey while in screen D1.2 to check the refill and purge rates for the syringes installed. Position the cursor on the PURGE RATE, % OF SYRINGE or # OF CYCLES field and press (when the S# field reads ALL, all syringes are run).
  • Page 14 TIP: If multiple syringes are plumbed to a common outlet, as in gradient mode, program each syringe to run at approximately equal flow rates (e.g., in gradient mode, after entering a value in the flow field, enter 50% in the %B field (if a binary gradient system is being used).

  • Page 15: Outlet Connection

    Outlet Connection Low Pressure Active Mixer Mechanical Valve High Pressure Active Valve Valve 1: Output to System 1: From Inlet Valve 1: Inlet Port 6: Outlet Port 2: Ternary Inlet 2: To Syringe 2: To Syringe 3: Quaternary Inlet 3: Outlet Port 3: Outlet Port Figure 2.6: Outlet Connections Gradient Systems...

  • Page 16: Mixer Configuration

    Mixer Configuration Gradient versions of the µPro pump are fitted with a mixer. The mixer uses a cartridge system to accommodate mixers with different volumes. The different volumes allow you to exchange mixer sizes easily to optimally configure the µPro to your flow rate. Table 2.6 indicates the various mixers presently available.
  • Page 17 Equilibrate and Characterize If your µPro pump is fitted with a pressure transducer and you wish to use pre-pressurization, equilibrate and characterize your system once the pump has been primed. Equilibration The equilibration conditions you choose will depend on your application. Generally, you will want to equilibrate under conditions identical to those at the beginning of the file you will be running.
  • Page 18 Chacterization The purpose of characterizing the system is to determine the resistance of the system so the fluid in the syringes will be compressed and the syringes will quickly begin to deliver fluid to the downsteam system. Before beginning characterization, press to stop running the equilibration step described STOP above and make a note of the operating pressure as shown on the Display screen.
  • Page 19 If you have a gradient µPro, the %B field will be displayed on line three (%C will appear on ternary systems and %D will appear on quaternary systems). Enter the value for %B which you will use as your starting conditions. Press and screen D1.1.2 will be displayed.
  • Page 20 2.20...

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