Eldex 3LM, 3HM, 3SM, 1HM, 1LM Instruction Manual

...

Eldex

Eldex®

Optos Metering Pumps

Operator’s Manual

Eldex Laboratories, Inc.

30 Executive Court

Napa, CA 94558

Tel: (707) 224-8800

Fax: (707) 224-0688

www.eldex.com

Rev. M: 022708

TABLE OF CONTENTS

CONTENTS PAGE

I. INTRODUCTION 1

Optos Metering Pumps 1

Principles of Operation 1 Materials of Construction 1

About This Manual 1 A Guided Tour of Optos Metering Pumps 2 Specifications 6

Stainless Steel Pump Specifications 6 PEEK Pump Specifications 7

II. INSTALLATION 8

What You Will Need 8

The Unit 8 Tools 8

Unpacking and Location 8 Electrical Connections 8

Power Entry Module 8 Inputs/Outputs 8

Plumbing 9

Solvent Preparation 9 Attaching Inlet Tubing 10 Priming The Pump 10 Attaching Outlet Tubing 10 Pulse Damper Use 10 Using the Piston Wash System 10

III. OPERATION 11

Basic Operation 11

General Notes on Software Operation 11 Setting the Flow Rate 11 Setting the High Pressure Limit 11 Setting the Low Pressure Limit 11

Configuration Screens 12

Setting the Compressibility Compensation Factor 12 Sending the Piston to the Home Position 12 Changing the Refill Rate Setup 12 Setting the Liquid End Type 12 Setting the Remote Control Setting 13 Viewing the EPROM Revision Level 13

Advanced Screens 13

Setting the Home Position Offset 13 Setting the Output Function 14 Setting the High/Low Pressure Limit Shutdown 14 Setting the Motor Stall Shutdown 14

Pump Limits 15

Viscosity Limits 15 Chemical Limits 15 Mechanical Limits 15 Temperature Limits 15

Shutdown Procedures 15

IV. MAINTENANCE 16

Cleaning 16 Piston Seals 16

Replacing The Piston Seal 16

Replacing Valves 17

Removal Of Existing Valves 17 Installation Of New Valves 18 Replacing Valve Cartridges 18

Troubleshooting 19

V. SPARE PARTS AND ACCESSORIES 20

For 3/32” Stainless Steel Pumps 20

For 1/8” Stainless Steel Pumps 21 For ¼” Stainless Steel Pumps 22 For 3/32” PEEK Pumps 23 For 1/8” PEEK Pumps 24 For ¼” PEEK Pumps 25

VI. APPENDIX 26

RS232 26 Warranty 27 Return Procedure 27 Trademarks 27

CAUTION: The exclamation point within an equilateral triangle is intended to

alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the appliance.

ATTENTION: Le point d’exclamation dans un triangle equilatéral signale à

alerter l’utilisateur qu’il y a des instructions d’operation et d’entretien tres

importantes dans la litérature qui accompagne l’appareil.

ACHTUNG: Ein Ausrufungszeichen innerhalb eines gleichwinkeligen Dreiecks dient dazu, den Benutzer auf wichtige Bedienungs-und Wartungsanweisungen in der dem Gerät beiliegended Literatur aufmerksam zu machen.

CAUTION: We have tested this pump with 2 propanol. Residual amounts of 2 propanol may be in the pump. 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.

ATTENTION: Gardez à l’esprit que nous avons testé cette pompe avec le propanol-2. Les quantités résiduelles du propanol-2 peuvent se trouver sur le dispositif de raccordement du liquide et vous souhaiterez certainement les chasser avec un solvant miscible approprié.

Vous pouvez utiliser une variété de liquides qui nécessitent des manipulations et des précautions particulières. Consultez la fiche technique de sécurité appropriée; elle est fournie avec le matériel que vous utiliserez. Veillez a bien respecter toutes les procédures de manipulation, sécurité et élimination du matériel.

ACHTUNG: Die Pumpe wurde mit 2-Propanol getestet. Geringe Restmengen von 2-Propanol können sich noch im System befindend, so dass wir Ihnen vor Inbetriebnahme das Spülen mit einem geeigneten Lösungsmittel empfehlen.

Sie können eine Vielzahl von Lösungsmitteln einsetzen, deren Verwendung unter Umständen spezielle Sicherheitsvorkehrungen voraussetzt. Bitte beachten Sie in allen Fällen die, den Lösungsmitteln vom Hersteller beigelegten Sicherheitsdatenblätter.

INTRODUCTION

Laboratory and industrial procedures often require metering precise amounts of fluids in a controlled and reproducible manner. Optos pumps were developed in response to this need. These pumps are capable of delivering measured amounts of fluids against significant backpressure.

Pump Features Include:

Piston wash chamber for backflushing piston to extend seal life. Electronic control of piston motion to minimize pulsation. Optional pulse damper for further pulse reduction. Easy to use interface for flow setting and other pump parameters. Metal-free options

Principles of Operation

Optos pumps attain precise metering at intermediate and high pressures by a positive displacement, reciprocating piston. The piston is driven by a stepper motor via an eccentric. Advanced software algorithms control motor speed based on piston position, achieving rapid fluid intake and smooth, constant fluid delivery, minimizing pulsation. Additional reductions of pulsation can be achieved by use of the optional damper.

Ball and seat inlet and outlet valves ensure precise metering. The suction created by the piston retracting to refill the piston chamber pulls the inlet ball off the inlet seat allowing fluid to travel through the inlet check valve. Simultaneously, the outlet ball is pulled back onto its‟ seat, preventing fluid from exiting the piston chamber. During the delivery portion of the piston‟s duty cycle, the inlet ball is pushed back onto its‟ seat as the piston moves forward, preventing fluid from travelling back to the pump reservoir. Simultaneously, the outlet ball is forced off its‟ seat, allowing fluid to exit the outlet valve. For the valves to operate effectively, a pressure differential of at least 25 psi is required on the outlet side of the pump.

The pump‟s flow rate is set directly in mL/min. using the up and down buttons on the user interface. Flow rates are determined by piston displacement (diameter, and stroke length) and motor speed.

Some Optos pumps may be fitted with a pulse damper. The damper is a diaphragm type damper, where a diaphragm made of an inert material flexes against a compressible fluid (spiked with red dye), thereby absorbing pulses in fluid delivery. To maximize the damper‟s efficiency, the system should operate against at least 500 psi. If your system does not normally generate such pressures and you wish to increase the efficiency of the damper, you can install a backpressure device, or some narrow ID tubing downstream of the pump.

Materials of Construction

The materials used for the liquid end of your Optos Pump were carefully chosen for corrosion resistance. The piston is sapphire, and the inlet and outlet valves incorporate sapphire seats and ruby balls.

The piston seal material is made from specially formulated PTFE and has excellent chemical compatibility characteristics.

The liquid end housing is made of passivated type 316 stainless steel because of its superior resistance to corrosion. In applications requiring the use of chemicals corrosive to type 316 stainless steel, you may order a PEEK (polyetheretherketone) liquid end.

About This Manual

This manual provides instructions and information on Optos metering pumps. Section II of this manual, beginning on page 8, describes the unpacking, location, and initial installation of your

metering pump. Section III, beginning on page 11, describes the operation of the Optos hardware and the menu system in detail.. Section IV, beginning on page 16, describes maintenance procedures. Section V, beginning on page 20, contains appendixes, including, lists spare parts and accessories for the various pump models.

A Guided Tour of the Optos Metering Pumps

Front Panel

As you look at the front panel of your Optos Metering Pump (Figure 1.1), you will see:

Component Details

Local Interface:

1. Liquid Crystal Display (LCD). Displays flow rate, pressure (with optional pulse damper), other

allowed functions.

2. Up/Down Keys. UP and DOWN arrow keys set flow rates, change pump settings.

3. Permanent Functions Keys. DISPLAY, ΔMENU, and RUN/STOP keys are control keys permanently

defined for direct control of major instrument functions.

4. Status LEDs. Indicate pump running or fault.

Pulse Damper: optional pulse damper for minimized fluid delivery pulsation.

5. Outlet Port: Connection to downstream device.

6. Inlet Port: Connection from pump outlet.

Liquid End Assembly:

7. Outlet Valve: Provides tubing connection for pump output.

8. Cylinder: Contains pumping chamber and piston wash ports.

9. Inlet Valve: Provides tubing connection to fluid source. Inlet valve has an additional groove on

the hexagonal portion of the valve.

Rear Panel

As you look at the rear panel of your Optos Metering Pump (Figure 1.2), you will see:

Component Details

1. RS232: RJ11 connector for RS232 communication.

2. I/O: Input/output connections for remote analog control, pressure out, error out, remote start, stop.

3. Power Entry: Provides power connection with modular cord.

4. Fuse: Housing for pump fuses.

5. On/Off: Turns the power to the pump on and off.

Figure 1.1: Front View of Optos

Figure 1.2: Rear View of Optos

6 7 8

2 3 4

Figure 1.3: Local Interface

2 3

An Overall Look at the Local Interface

Operation of the Optos Pump is controlled from a series of menus and there is no need to remember esoteric control codes or command sequences. A detailed description of the menu sequence is given in Section III.

As you look at the local interface (Figure 1.3), you will see:

Component Details

1. Status LEDs: Upper green LED indicates pump is running; lower red LED indicates a pump fault (for

example, an overpressure limit, or motor stall condition.

2. Display: A one line, 16 character LCD display is used to provide readout of flow and pressure (with

optional pulse damper), and access to pump functions.

3. Up/Down Keys: UP and DOWN arrow keys set flow rates, pressure limits (with optional pulse damper),

and function settings.

4. Permanent Function Keys: ΔMENU key changes the display to different pump functions, DISPLAY key

toggles display back to main display of flow, or flow and pressure (with optional pulse damper),

RUN/STOP key runs the pump and stops the pump.

Key Definitions

ΔMENU: The ΔMENU (Change Menu) key scrolls through the main menu selections.

DISPLAY: The DISPLAY key toggles back to main display of flow, or flow and pressure (with optional pulse

damper).

UP/DOWN: UP and DOWN arrow keys increase or decrease flow rate setting, high or low pressure limit settings,

and change setting of other pump parameters.

DISPLAY, then ΔMENU: Holding down the DISPLAY key followed by pressing the ΔMENU key brings up a series

of sub menus which pertain to various pump settings. Pressing the DISPLAY key alone returns to main display.

ΔMENU, then DISPLAY: Holding down the ΔMENU followed by pressing the DISPLAY key brings up a series of

sub menus which pertain to obscure pump settings. Pressing the DISPLAY key alone returns to main display.

XX.XXXmL XXXXpsi

MAIN

HI LIMIT: XXXX

LO LIMIT: XXXX

GO HOME: HIT RUN

COMPRESS: XX

REFILL: FULL OUT

HEAD: 1/8 SS

REMOTE: OFF

REM

VERSION: X.XX

HOME OFFSET: XX

0-5V OUT: PRESS

STOP STALL: ON

PRESS LIMIT: ENA

Read/set flow rate Read pressure

Set high pressure limit

Set low pressure limit

Adjust compressibility compensation

Set refill:output ratio

View EPROM level

Set remote control configuration

Set piston & materials of pump

Send piston to forward position

Set pressure limit ON/OFF

Set motor stall ON/OFF

View/set voltage out

Set home position offset

ΔMENU

PRESS 0: HIT RUN

XDC

Zero Pressure Transducer

STROKE: .125

View stroke length

Menu Schematic

The menu schematic indicates the general structure of the menu map. The specific screens shown may vary from your specific configuration.

Basic Screens

Configuration Screens: DISPLAY & ΔMENU

Advanced Screens: ΔMENU & DISPLAY

Model

Flow Rate Range (min.to max.) mL/min.

Max

Pressure

(psi)

Piston

Diameter

(inches)

Max.

Piston

Stroke

Piston

Displacement

Electrical

Dimensions (L x W

x H inches)

Weight

(lbs.)

1LM

0.002 - 2.5

6000

.093

.125”

.014 mL

100-230V;

50/60Hz

9.5 x 4 x 9

1LMP

0.002 - 2.5

6000

.093

.125”

.014 mL

100-230V;

50/60Hz

9.5 x 4 x 9

1SM

0.003 - 5.0

6000

.125

.125”

.025 mL

100-230V;

50/60Hz

9.5 x 4 x 9

1SMP

0.003 - 5.0

6000

.125

.125”

.025 mL

100-230V;

50/60Hz

9.5 x 4 x 9

1HM

0.01 - 20.0

3000

.250

.125”

.1 mL

100-230V;

50/60Hz

9.5 x 4 x 9

Model

Flow Rate Range (min.to max.) mL/min.

Max

Pressure

(psi)

Piston

Diameter

(inches)

Max.

Piston

Stroke

Piston

Displacement

Electrical

Dimensions (L x W

x H inches)

Weight

(lbs.)

2LM

0.003 - 5.0

6000

.093

.250”

.028 mL

100-230V;

50/60Hz

9.5 x 4 x 9

2LMP

0.003 - 5.0

6000

.093

.250”

.028 mL

100-230V;

50/60Hz

9.5 x 4 x 9

2SM

0.01 - 10.0

6000

.125

.250”

.05 mL

100-230V;

50/60Hz

9.5 x 4 x 9

2SMP

0.01 - 10.0

6000

.125

.250”

.05 mL

100-230V;

50/60Hz

9.5 x 4 x 9

2HM

0.02 - 40.0

1500

.250

.250”

.2 mL

100-230V;

50/60Hz

9.5 x 4 x 9

Model

Flow Rate Range (min.to max.) mL/min.

Max

Pressure

(psi)

Piston

Diameter

(inches)

Max.

Piston

Stroke

Piston

Displacement

Electrical

Dimensions

(L x W x H inches)

Weight

(lbs.)

3LM

0.01 - 10.0

3000

.093

.500”

.057 mL

100-230V;

50/60Hz

9.5 x 4 x 9

3SM

0.01 - 20.0

1500

.125

.500”

.1 mL

100-230V;

50/60Hz

9.5 x 4 x 9

3HM

0.04 - 80.0

750

.250

.500”

.4 mL

100-230V;

50/60Hz

9.5 x 4 x 9

Specifications

Stainless Steel Optos/Model 1 Pump Specifications

Stainless Steel Optos/Model 2 Pump Specifications

Stainless Steel Optos/Model 3 Pump Specifications

Maximum flow rate specifications are based on the theoretical volume displacement; actual flow rates will vary depending on such factors as fluid viscosity, compressibility, and temperature.

Common Specifications:

Wetted Parts: Type 316 stainless steel, PTFE, CTFE, sapphire, ruby Reproducibility: ±0.3% typical Tubing Connections: Inlet valve: ¼” –28 plastic fitting for 1/8” Teflon® tubing Outlet valve: 1/16” I.D. ferrule and tube nut, 10-32 thread

Pumps with .250” pistons use 1/8” Swagelok connections on the inlet and outlet

Other connections available on request Viscosity Limit: 500 Centipoise Fuses: .63 A Operating Environment: Temperature: 5 – 35ºC Maximum Humidity: 85%, non-condensing Maximum Altitude: 2,000 meters Optional Damper Type: Diaphragm Wetted Parts: Type 316 stainless steel, Kalrez

valves

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