Agilent Technologies 6890 Series Betriebsanleitung

Site Preparation and Installation Manual

Agilent 6890 Series Gas

Chromatograph

Agilent Technologies, Inc

2850 Centerville Road

Wilmington, DE 19808-1610

Agilent Technologies 2000

Reproduction, adaptation, or

translation without permission

is prohibited, except as allowed

under the copyright laws

Part No G1530-90307

First edition, Jan 2000

Printed in USA

Replaces Part No G1530-90305

Site Preparation and

Installation Manual

HP® is a registered trademark

of Hewlett-Packard Co

Microsoft® , Windows® , and

Windows NT® are registered

trademarks of Microsoft Corp

Safety information

The 6890 Gas Chromatograph

meets the following IEC

(International Electrotechnical

Commission) classifications:

Safety Class 1, Transient

Overvoltage Category II, and

Pollution Degree 2

This unit has been designed and

tested in accordance with

recognized safety standards and

designed for use indoors If the

instrument is used in a manner

not specified by the

manufacturer, the protection

provided by the instrument may

be impaired Whenever the

safety protection of the 6890

has been compromised,

disconnect the unit from all

power sources and secure the

unit against unintended

operation

Refer servicing to qualified

service personnel Substituting

parts or performing any

unauthorized modification to

the instrument may result in a

safety hazard Disconnect the

AC power cord before removing

covers The customer should

not attempt to replace the

battery or fuses in this

instrument The battery

contained in this instrument is

recyclable

Safety symbols

Warnings in the manual or on

the instrument must be

observed during all phases of

operation, service, and repair of

this instrument Failure to

comply with these precautions

violates safety standards of

design and the intended use of

the instrument

Agilent Technologies assumes

no liability for the customer's

failure to comply with these

requirements

WARNING

A warning calls attention to a

condition or possible situation

that could cause injury to the

user

CAUTION

A caution calls attention to a

condition or possible situation

that could damage or destroy

the product or the user's work

See accompanying

instructions for more

information

Indicates a hot

surface

Indicates hazardous

voltages

Indicates earth

(ground) terminal

Indicates radio-active

hazard

Indicates explosion

hazard

Electromagnetic

compatibility

This device complies with the

requirements of CISPR 11

Operation is subject to the

following two conditions:

1 This device may not cause

harmful interference

2 This device must accept any

interference received,

including interference that

may cause undesired

operation

If this equipment does cause

harmful interference to radio or

television reception, which can

be determined by turning the

equipment off and on, the user

is encouraged to try one or

more of the following measures:

1 Relocate the radio or

antenna

2 Move the device away from

the radio or television

3 Plug the device into a

different electrical outlet, so

that the device and the radio

or television are on separate

electrical circuits

4 Make sure that all peripheral

devices are also certified

5 Make sure that appropriate

cables are used to connect the

device to peripheral

equipment

6 Consult your equipment

dealer, Agilent Technologies,

or an experienced technician

for assistance

7 Changes or modifications not

expressly approved by

Agilent Technologies could

void the user’s authority to

operate the equipment

Soun Emission

Certification for Fe eral

Republic of Germany

Sound pressure Lp < 65 dB(A)

During normal operation

At the operator position

According to ISO 7779 (Type

Test)

When operating the 6890 with

cryo valve option, the sound

pressure 74 6 dB(A) during cryo

valve operation for short burst

pulses

Schallemission

Schalldruckpegel LP < 65 dB(A)

Am Arbeitsplatz

Normaler Betrieb

Nach DIN 45635 T 19

(Typprüfung)

Bei Betrieb des 6890 mit Cryo

Ventil Option treten beim

Oeffnen des Ventils

impulsfoermig Schalldrucke Lp

bis ca 74 6 dB(A) auf

Contents

Chapter 1. Site Preparation

Temperature and humidity ranges 3

Ventilation requirements 3

Venting oven exhaust 4

Venting toxic or noxious gases 4

Benchtop space requirements 4

Electrical requirements 8

Grounding 8

Line voltage 8

USA fast heating oven 10

Canadian installation 11

Configuring the GC for an MSD 11

Gas requirements 11

Gases for packed columns 11

Gases for capillary columns 12

Gas purity 13

The gas plumbing 14

Supply tubing for carrier and detector gases 16

Two-stage pressure regulators 16

Pressure regulator-gas supply tubing connections 17

Traps 17

Cryogenic cooling requirements 18

Choosing a coolant 19

Using carbon dioxide 19

Using liquid nitrogen 21

Supplying valve actuator air 22

Contents

Chapter 2. Installation

Step 1 Unpacking the GC 28

Step 2 Placing the GC system on the benchtop 29

Step 3 Turning the power on 30

Step 4 Connecting tubing to the gas supply tank 31

Step 5 Attaching traps to the gas supply tubing 32

Step 6 Attaching a SWAGELOK™ Tee to tubing 33

Step 7 Attaching tubing to the inlet manifold 34

Step 8 Attaching tubing to detector manifolds 35

6890 with Electronic Pressure Control 35

6890 with Manual Pressure Control 36

Step 9 Checking for leaks 38

Step 10 Attaching cryogenic liquid supplies 39

Attaching liquid carbon dioxide 39

Attaching liquid nitrogen 40

Step 11 Attaching valve actuator air 42

Step 12 Setting source pressures 44

Step 13 Connecting cables 45

Cable diagrams 52

Analog cable, general use 52

Remote start/stop cable 53

Binary-coded decimal cable 54

External event cable 55

Step 14 Setting the 7673 Automatic Liquid Sampler switches 56

Step 15 Configuring the GC 57

Configuring for the Agilent GPIB ChemStation 57

Configuring for the INET integrator 58

Using the GC with a LAN 58

Appendix Making SWAGELOK Connections....................................................... 59

Index............................................................................................................................ 63

Site Preparation

How to prepare your laboratory for

installation and use of the GC

Temperature and humidity ranges 3

Ventilation requirements 3

Venting oven exhaust 4

Venting toxic or noxious gases 4

Benchtop space requirements 4

Electrical requirements 8

Grounding 8

Line voltage 8

USA fast heating oven 10

Canadian installation 10

Configuring the GC for an MSD 11

Gas requirements 11

Gases for packed columns 11

Gases for capillary columns 12

Gas purity 13

The gas plumbing 14

Supply tubing for carrier and detector gases 16

Two-stage pressure regulators 16

Pressure regulator-gas supply tubing connections 17

Traps 17

Cryogenic cooling requirements 18

Choosing a coolant 19

Using carbon dioxide 19

Using liquid nitrogen 21

Supplying valve actuator air 22

Site preparation at a glance

Site Preparation Checklist

❐The site is well ventilated and free of corrosive materials and overhanging obstacles.

❐Site temperature is within the recommended range of 20 to 27°C.

❐Site humidity is within the recommended range of 50 to 60 .

❐Bench space is adequate for the GC with EPC: 50 cm x 58.5 cm x 50 cm (21 inch x 23 inch x 21 inch).

Bench space is adequate for the GC without EPC: 50 cm x 68 cm x 50 cm (21 inch x 26.7 inch x 21 inch).

❐Bench can support the weight of the 6890 system. See page 7.

❐Power receptacle is earth grounded. See page 8.

❐Electrical supply meets all GC’s power requirements. See page 8.

❐Voltage supply is adequate for oven type. Regular oven: 2,250 VA. Fast-heating oven: 2,950 VA.

❐Gas supplies meet the requirements of your columns and detectors. See page 11.

❐Gases meet purity requirements. All should be chromatographic-grade—99.9995 pure or better. Air should be zero-

grade or better. Detector air is not shared with valve actuators.

❐Precleaned, 1/8-inch (or 1/4-inch) copper tubing is available for connecting inlet and detector gas supplies. See page 16.

❐Inlet and detector gas supplies have two-stage pressure regulators installed.

Optional supplies:

❐High quality traps for inlet and detector gas supplies—molecular sieve trap, hydrocarbon trap, and/or oxygen trap.

❐Liquid N2 or liquid CO2 (depending on requirements) available for cryogenic cooling.

❐Supply of 1/4-inch, insulated copper tubing is available for liquid N2 supplies, OR

1/8-inch, heavy-walled, stainless steel tubing is available for liquid CO2 supplies.

❐Insulation for liquid N2 tubing is available.

❐Pressurized clean air is available for value actuators. See page 22.

Before the GC arrives, make sure your

laboratory meets the following

environmental, weight, power, and gas

requirements You should also refer to this

checklist for supplies that you need to

operate your GC, such as traps and tubing

You can find more site preparation

information in this chapter

Site Preparation

Site preparation involves two general steps: insuring that your laboratory is

capable of supporting the operation of the GC and obtaining supplies and tools

you will need to install the instrument A list of the necessary tools and supplies

appears at the beginning of the “Installation” chapter Most supplies are available

from Agilent Technologies See the Agilent catalog for consumables and supplies

for descriptions and ordering information You can obtain a copy of the catalog

from your local sales office

Temperature an humi ity ranges

Operating the GC within the recommended ranges insures optimum instrument

performance and lifetime

After exposing the GC to extremes of temperature or humidity, allow 15 minutes

for it to return to the recommended ranges

Ventilation requirements

The GC is cooled by convection: air enters vents in the side panels and

underneath the instrument Warmed air exits through slots in the top, rear, and

side panels Do not obstruct air flow around the instrument

Caution For proper cooling and general safety, always operate the instrument with cover

panels properly installed

Recommended temperature range Temperature range

20 to 27°C5 to 40°C

Recommended humidity range Humidity range

50 to 60 Up to 31°C, 5 to 80

At 40°C, 5 to 50

Recommended altitude range

Up to 2000 m

Site Preparation

Benchtop space requirements

Venting oven exhaust

Hot air (up to 450°C) from the oven exits through a vent in the rear Allow at

least 20 cm (10 inch) clearance behind the instrument to dissipate this air

WAR I G Do not place temperature-sensitive items (for example, gas cylinders, chemicals,

regulators, and plastic tubing) in the path of the heated exhaust These items will

be damaged and plastic tubing will melt Be careful when working behind the

instrument during cool-down cycles to avoid burns from the hot exhaust

If space is limited, the Oven Exhaust Deflector (part no 19247-60510) may

improve oven cooling It diverts exhaust air up and away from the instrument

You can connect it to a 10 2-cm (4-inch) exhaust-duct system, route the exhaust

to a fume hood, or vent the exhaust outside the building with 10 2-cm diameter

(4-inch diameter) furnace duct

Venting toxic or noxious gases

During normal operation of the GC with many detectors and inlets, some of the

carrier gas and sample vents outside the instrument If any sample components

are toxic or noxious, or if hydrogen is used as the carrier gas, the exhaust must

be vented to a fume hood Place the GC in the hood or attach a large diameter

venting tube to the outlet for proper ventilation

To further prevent contamination from noxious gases, you can attach a chemical

trap (part no G1544-60610) to the split vent

Benchtop space requirements

The GC with electronic pneumatics control (EPC) is 59 cm (23 inch) wide The

nonEPC model is 68 cm (26 7 inch) wide Both are 50 cm (21 inch) high and

50 cm (21 inch) deep

The area above the GC should be clear, with no shelves or overhanging

obstructions that limit access to the top of the instrument and interfere with

cooling You may need additional space for other instruments used with your

GC Figure 1 shows some common system configurations

Site Preparation

Benchtop space requirements

Table 1 presents the dimensions, power requirements, heat production, and

weight of the GC and other Agilent instruments often used with it Use this table

to insure that you have adequate space and power for the entire system Allow

at least 10 2 cm (4 inch) space between instruments for ventilation See Table 2

and Table 3 for GC voltage requirements

Site Preparation

Benchtop space requirements

Figure 1. Common GC system configurations—top views

59* cm

50 cm

47 cm

54 cm 44 cm

40 cm

28 cm

23 cm

65 cm

17 cm

59* cm

50 cm

10 cm

31 cm

GC with Agilent Automatic Liquid Sampler

GC with Agilent ChemStation

GC with 5972A Mass Selective Detector

*68 cm for non-EPC version.

Tray—30.3 cm

left of GC

ALS Controller

Injector—44 cm

above GC

Computer

Keyboard

Mouse

pad

Printer

7673

59* cm

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